GRPC Class
Properties Methods Events Config Settings Errors
The GRPC class is designed to send and receive messages over gRPC. The class can be used to both create messages to send as well as read incoming messages.
Syntax
ipworks.grpc()
Remarks
The GRPC class is designed to send and receive messages over gRPC and operates using an HTTP/2 client. This component can be used to construct a message with fields as defined in the .proto configuration file. The created message can be sent through gRPC using the Post method. If the request requires authorization, you can set the Authorization property to the authorization header. Also, the component can be used to read an incoming message from the server.
The GRPC class supports both plaintext and Secure Sockets Layer/Transport Layer Security (SSL/TLS) connections. When connecting over SSL/TLS the SSLServerAuthentication event allows you to check the server identity and other security attributes. The SSLStatus event provides information about the SSL handshake. Additional SSL related settings are also supported via the Config method.
Reading a Message
The GRPC class can be used to read an incoming message. To read an incoming message, listen to the MessageIn event. The MessageIn event will fire for each message response from the server. For each message response, the MessageData property will get populated with the raw message response from the server. The component can be used to read the response in a structured way.
There are two ways of reading an incoming message. The message can be navigated using the XPath property, or by sequentially reading the values in the message. By providing multiple ways to read a message, you can choose which best suits your needs.
XPath
XPath provides a simple way to navigate the fields within the received message using a subset of the XML XPath specification. The XPath property may be set to navigate to a specific field within the message structure. The HasXPath method may be used to determine whether or not an XPath exists before setting navigating to the location. The TryXPath method will attempt to navigate to the specified path and return True or False depending on the result.
XPath may be set to a series of one or more field accessors separated by '/'. The path can be absolute (starting with '/') or relative to the current XPath location. After setting the XPath property, use any of the following methods to read data or information about the field at the selected path:
- ReadBool
- ReadBytes
- ReadDouble
- ReadFieldNumber
- ReadFixed32
- ReadFixed64
- ReadFloat
- ReadInt32
- ReadInt64
- ReadString
The following are possible values for a field accessor:
field_number | The integer number of the field: for instance, /2 or /11 |
field_number[i] | The i-th occurrence of the field specified by the field_number: for instance, /2[1] or /11[3] |
[index] | The field at the position specified by index: for instance, /[2] would select the second field, regardless of the field number |
. | The current location |
.. | The parent of the current location |
Nested Messages
When a field of a message is itself another message, the fields of the submessage may be accessed by constructing an XPath to point to the submessage field. For example, /5/4 would move to field number 5 in the top-level message (which is itself a message), and then would move to field number 4 of the submessage.
Packed Repeated Fields
The following example shows the syntax to access values within packed repeated fields. The type of value within the packed repeated field must be known ahead of time. The XCount property can be used to obtain the number of values within the packed repeated field.
/10#v | Select field number 10, which is a packed repeated field of type variant |
/11#i | Select field number 11, which is a packed repeated field of type fixed32 |
/12#l | Select field number 12, which is a packed repeated field of type fixed64 |
/10#v[2] | Select the 2nd value of field number 10, which is a packed repeated field of type variant |
/11#v[2] | Select the 2nd value of field number 11, which is a packed repeated field of type fixed32 |
/12#v[2] | Select the 2nd value of field number 12, which is a packed repeated field of type fixed64 |
Example. Iterate through all values within a packed repeated field:
gRPC.XPath = "/10#v";
int count = gRPC.XCount;
for(int i=0;i<count;i++) {
gRPC.XPath = "/10#v[ " + i.ToString() + "]";
Console.WriteLine(Int32.Parse(gRPC.ReadInt32()));
}
Sequential Reads
An alternative to using the XPath property is sequentially reading each field within the message. This is done by making use of the MessageIn event and the Read* methods to read the message fields sequentially.
To read a message sequentially, first call BeginReadMessage. Next, call ReadFieldNumber to get the next field number. The component will move automatically to the next field number to read. Then call the appropriate method from the following list to read the field value:
Example 1. Read message:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the string value of field with field number 1
String stringField = grpc.ReadString();
// Gets the next field number
CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the int32 value of the field
int Int32Field = grpc.ReadInt32();
// Ends reading a message
grpc.EndReadMessage();
If the field you want to read is a packed repeated field, then before calling any of the listed methods, call BeginReadPacked. BeginReadPacked returns the count of the repeated values. Call the ReadInt32 method to sequentially read each packed value. When done reading the packed repeated values, call EndReadPacked.
Example 2. Read message example, including a packed repeated field:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the count of the packed repeated field
int count = grpc.BeginReadPacked(0);
int[] theValues = new int[count];
for(int i=0 ;i < count; i++) {
// Get the values and store them in the theValues array
theValues[i] = grpc.ReadInt32();
}
// Ends reading a packed repeated field
grpc.EndReadPacked();
// Ends reading a message
grpc.EndReadMessage();
As a last step, call EndReadMessage.
Writing a Message
The GRPC class can be used to construct a new message. The message can be written sequentially, one field at a time. The message then can be sent through gRPC by using the Post method.
To write a message, first call BeginWriteMessage. Next, call WriteFieldNumber and pass the field number to write. Then call the appropriate method from the following list to write the field value.
- WriteString
- WriteInt32
- WriteInt64
- WriteFloat
- WriteFixed32
- WriteFixed64
- WriteDouble
- WriteBytes
- WriteBool
Example 1. Write message:
// Begins writing a new message
grpc.BeginWriteMessage();
// Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Specifies the value of field with field number 1
grpc.WriteString("test");
grpc.WriteFieldNumber(2);
grpc.WriteInt32(2);
// Ends writing a message
grpc.EndWriteMessage();
Example 2. Write message, including a packed repeated field:
int[] RepeatedVarInt = new int[] { 3, 270, 86942 };
// Begins writing a new message
grpc.BeginWriteMessage();
//Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Begins writing a packed repeated field
grpc.BeginWritePacked();
for(int i=0 ;i < RepeatedVarInt.Length; i++) {
// Write each packed value
grpc.WriteInt32(RepeatedVarInt[i]);
}
// Ends writing a packed repeated field
grpc.EndWritePacked();
// Ends writing a new message
grpc.EndWriteMessage();
As a last step, call EndWriteMessage.
Property List
The following is the full list of the properties of the class with short descriptions. Click on the links for further details.
Authorization | This is the authorization string to be sent to the server. |
Connected | This property shows whether the class is connected. |
Firewall | A set of properties related to firewall access. |
FollowRedirects | This property determines what happens when the server issues a redirect. |
GRPCTimeout | The gRPC timeout. |
Idle | The current status of the class. |
MessageData | This property contains the message in a raw format. |
OtherHeaders | This property includes other headers as determined by the user (optional). |
ParsedHeaders | This property includes a collection of headers returned from the last request. |
Proxy | This property includes a set of properties related to proxy access. |
SSLAcceptServerCert | Instructs the class to unconditionally accept the server certificate that matches the supplied certificate. |
SSLCert | The certificate to be used during SSL negotiation. |
SSLProvider | This specifies the SSL/TLS implementation to use. |
SSLServerCert | The server certificate for the last established connection. |
Status | This property includes the gRPC status code. |
StatusDescription | This property includes a unicode string description of an error, which is physically encoded as UTF-8 followed by percent-encoding. |
StatusLine | This property is the first line of the last server response. |
Timeout | A timeout for the class. |
TransferredData | This property includes the contents of the last response from the server. |
TransferredDataLimit | This property specifies the the maximum amount of data to be transferred. |
TransferredHeaders | This property includes the complete set of headers as received from the server. |
URL | This property includes the URL to post. |
XCount | This property includes the number of packed fields or instances of the field specified by XPath . |
XPath | This property provides a way to point to a specific field in the message. |
Method List
The following is the full list of the methods of the class with short descriptions. Click on the links for further details.
BeginReadMessage | This method begins reading a message. |
BeginReadPacked | This method begins reading a repeated packed field. |
BeginWriteMessage | This method begins writing a new message. |
BeginWritePacked | This method begins writing a new packed repeated field. |
CalcAuthorization | This method calculates the Authorization header based on provided credentials. |
Config | Sets or retrieves a configuration setting. |
DoEvents | Processes events from the internal message queue. |
EndReadMessage | This method ends reading a message. |
EndReadPacked | This method ends reading a packed repeated field. |
EndWriteMessage | This method ends writing a message. |
EndWritePacked | This method ends writing a packed repeated field. |
HasXPath | This method determines whether a specific element exists in the document. |
Interrupt | Interrupt the current method. |
Post | This method posts a message to the HTTP server using the HTTP POST method. |
ReadBool | This method reads the Boolean value from the current field number and returns it. |
ReadBytes | This method reads the value of type byte from the current field number and returns it. |
ReadDouble | This method reads the value of type double from the current field number and returns it. |
ReadFieldNumber | This method reads the next field number and returns it. |
ReadFixed32 | This method reads the fixed int32 value from the current field number and returns it. |
ReadFixed64 | This method reads the fixed int64 value from the current field number and returns it. |
ReadFloat | This method reads the float value from the current field number and returns it. |
ReadInt32 | This method reads the int32 value from the current field number and returns it. |
ReadInt64 | This method reads the int64 value from the current field number and returns it. |
ReadSint32 | This method reads the sint32 value from the current field number and returns it. |
ReadSint64 | This method reads the sint64 value from the current field number and returns it. |
ReadSkip | This method skips reading a value from the current field. |
ReadString | This method reads the string value from the current field number and returns it. |
Reset | Reset the class. |
TryXPath | This method navigates to the specified XPath if it exists. |
WriteBool | This method writes a Boolean value to the current field number. |
WriteBytes | This method writes a value of type byte to the current field number. |
WriteDouble | This method writes a value of type double to the current field number. |
WriteFieldNumber | This method specifies the field number to write. |
WriteFixed32 | This method writes a fixed32 value to the current field number. |
WriteFixed64 | This method writes a fixed64 value to the current field number. |
WriteFloat | This method writes a float value to the current field number specified. |
WriteInt32 | This method writes an int32 value to the current field number. |
WriteInt64 | This method writes an int64 value to the current field number. |
WriteSint32 | This method writes an sint32 value to the current field number. |
WriteSint64 | This method writes an sint64 value to the current field number. |
WriteString | This method writes a string value to the current field number. |
Event List
The following is the full list of the events fired by the class with short descriptions. Click on the links for further details.
Connected | This event is fired immediately after a connection completes (or fails). |
ConnectionStatus | This event is fired to indicate changes in the connection state. |
Disconnected | This event is fired when a connection is closed. |
EndTransfer | This event is fired when a document finishes transferring. |
Error | Information about errors during data delivery. |
Log | This event fires once for each log message. |
MessageIn | This event fires when a message response is sent by the server. |
Redirect | This event is fired when a redirection is received from the server. |
SSLServerAuthentication | Fired after the server presents its certificate to the client. |
SSLStatus | Shows the progress of the secure connection. |
StartTransfer | This event is fired when a document starts transferring (after the headers). |
Status | This event is fired when the HTTP status line is received from the server. |
Transfer | This event is fired while a document transfers (delivers document). |
Config Settings
The following is a list of config settings for the class with short descriptions. Click on the links for further details.
ContentType | The HTTP2 content-type header value. |
HTTP2KeepaliveInterval | The keepalive interval in seconds. |
MessageDataHex | The hex encoded data for the current message. |
UserAgent | The HTTP2 user-agent header value. |
AcceptEncoding | Used to tell the server which types of content encodings the client supports. |
AllowHTTPCompression | This property enables HTTP compression for receiving data. |
AllowHTTPFallback | Whether HTTP/2 connections are permitted to fallback to HTTP/1.1. |
Append | Whether to append data to LocalFile. |
Authorization | The Authorization string to be sent to the server. |
BytesTransferred | Contains the number of bytes transferred in the response data. |
ChunkSize | Specifies the chunk size in bytes when using chunked encoding. |
CompressHTTPRequest | Set to true to compress the body of a PUT or POST request. |
EncodeURL | If set to True the URL will be encoded by the class. |
FollowRedirects | Determines what happens when the server issues a redirect. |
GetOn302Redirect | If set to True the class will perform a GET on the new location. |
HTTP2HeadersWithoutIndexing | HTTP2 headers that should not update the dynamic header table with incremental indexing. |
HTTPVersion | The version of HTTP used by the class. |
IfModifiedSince | A date determining the maximum age of the desired document. |
KeepAlive | Determines whether the HTTP connection is closed after completion of the request. |
KerberosSPN | The Service Principal Name for the Kerberos Domain Controller. |
LogLevel | The level of detail that is logged. |
MaxRedirectAttempts | Limits the number of redirects that are followed in a request. |
NegotiatedHTTPVersion | The negotiated HTTP version. |
OtherHeaders | Other headers as determined by the user (optional). |
ProxyAuthorization | The authorization string to be sent to the proxy server. |
ProxyAuthScheme | The authorization scheme to be used for the proxy. |
ProxyPassword | A password if authentication is to be used for the proxy. |
ProxyPort | Port for the proxy server (default 80). |
ProxyServer | Name or IP address of a proxy server (optional). |
ProxyUser | A user name if authentication is to be used for the proxy. |
SentHeaders | The full set of headers as sent by the client. |
StatusLine | The first line of the last response from the server. |
TransferredData | The contents of the last response from the server. |
TransferredDataLimit | The maximum number of incoming bytes to be stored by the class. |
TransferredHeaders | The full set of headers as received from the server. |
TransferredRequest | The full request as sent by the client. |
UseChunkedEncoding | Enables or Disables HTTP chunked encoding for transfers. |
UseIDNs | Whether to encode hostnames to internationalized domain names. |
UserAgent | Information about the user agent (browser). |
ConnectionTimeout | Sets a separate timeout value for establishing a connection. |
FirewallAutoDetect | Tells the class whether or not to automatically detect and use firewall system settings, if available. |
FirewallHost | Name or IP address of firewall (optional). |
FirewallPassword | Password to be used if authentication is to be used when connecting through the firewall. |
FirewallPort | The TCP port for the FirewallHost;. |
FirewallType | Determines the type of firewall to connect through. |
FirewallUser | A user name if authentication is to be used connecting through a firewall. |
KeepAliveInterval | The retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received. |
KeepAliveTime | The inactivity time in milliseconds before a TCP keep-alive packet is sent. |
Linger | When set to True, connections are terminated gracefully. |
LingerTime | Time in seconds to have the connection linger. |
LocalHost | The name of the local host through which connections are initiated or accepted. |
LocalPort | The port in the local host where the class binds. |
MaxLineLength | The maximum amount of data to accumulate when no EOL is found. |
MaxTransferRate | The transfer rate limit in bytes per second. |
ProxyExceptionsList | A semicolon separated list of hosts and IPs to bypass when using a proxy. |
TCPKeepAlive | Determines whether or not the keep alive socket option is enabled. |
TcpNoDelay | Whether or not to delay when sending packets. |
UseIPv6 | Whether to use IPv6. |
LogSSLPackets | Controls whether SSL packets are logged when using the internal security API. |
OpenSSLCADir | The path to a directory containing CA certificates. |
OpenSSLCAFile | Name of the file containing the list of CA's trusted by your application. |
OpenSSLCipherList | A string that controls the ciphers to be used by SSL. |
OpenSSLPrngSeedData | The data to seed the pseudo random number generator (PRNG). |
ReuseSSLSession | Determines if the SSL session is reused. |
SSLAcceptAnyServerCert | Whether to trust any certificate presented by the server. |
SSLCACerts | A newline separated list of CA certificate to use during SSL client authentication. |
SSLCipherStrength | The minimum cipher strength used for bulk encryption. |
SSLEnabledCipherSuites | The cipher suite to be used in an SSL negotiation. |
SSLEnabledProtocols | Used to enable/disable the supported security protocols. |
SSLEnableRenegotiation | Whether the renegotiation_info SSL extension is supported. |
SSLIncludeCertChain | Whether the entire certificate chain is included in the SSLServerAuthentication event. |
SSLKeyLogFile | The location of a file where per-session secrets are written for debugging purposes. |
SSLNegotiatedCipher | Returns the negotiated ciphersuite. |
SSLNegotiatedCipherStrength | Returns the negotiated ciphersuite strength. |
SSLNegotiatedCipherSuite | Returns the negotiated ciphersuite. |
SSLNegotiatedKeyExchange | Returns the negotiated key exchange algorithm. |
SSLNegotiatedKeyExchangeStrength | Returns the negotiated key exchange algorithm strength. |
SSLNegotiatedVersion | Returns the negotiated protocol version. |
SSLSecurityFlags | Flags that control certificate verification. |
SSLServerCACerts | A newline separated list of CA certificate to use during SSL server certificate validation. |
TLS12SignatureAlgorithms | Defines the allowed TLS 1.2 signature algorithms when SSLProvider is set to Internal. |
TLS12SupportedGroups | The supported groups for ECC. |
TLS13KeyShareGroups | The groups for which to pregenerate key shares. |
TLS13SignatureAlgorithms | The allowed certificate signature algorithms. |
TLS13SupportedGroups | The supported groups for (EC)DHE key exchange. |
AbsoluteTimeout | Determines whether timeouts are inactivity timeouts or absolute timeouts. |
FirewallData | Used to send extra data to the firewall. |
InBufferSize | The size in bytes of the incoming queue of the socket. |
OutBufferSize | The size in bytes of the outgoing queue of the socket. |
BuildInfo | Information about the product's build. |
CodePage | The system code page used for Unicode to Multibyte translations. |
LicenseInfo | Information about the current license. |
MaskSensitive | Whether sensitive data is masked in log messages. |
UseInternalSecurityAPI | Tells the class whether or not to use the system security libraries or an internal implementation. |
GRPC.Authorization Property
This is the authorization string to be sent to the server.
Syntax
getAuthorization(): string; setAuthorization(authorization: string): void;
Default Value
""
Remarks
If the Authorization property contains a non-empty string, an Authorization HTTP request header is added to the request. This header conveys the authorization information to the server.
A common use for this property is to specify OAuth authorization string.
This property is provided whenever the server requires authorization.
GRPC.Connected Property
This property shows whether the class is connected.
Syntax
isConnected(): boolean;
Default Value
FALSE
Remarks
This property is used to determine whether or not the class is connected to the remote host.
This property is not available at design time.
GRPC.Firewall Property
A set of properties related to firewall access.
Syntax
getFirewall(): Firewall; setFirewall(firewall: Firewall): void;
Default Value
Remarks
This is a Firewall type property which contains fields describing the firewall through which the class will attempt to connect.
GRPC.FollowRedirects Property
This property determines what happens when the server issues a redirect.
Syntax
getFollowRedirects(): GrpcFollowRedirects; setFollowRedirects(followRedirects: GrpcFollowRedirects): void;
enum GrpcFollowRedirects { frNever, frAlways, frSameScheme }
Default Value
0
Remarks
This property determines what happens when the server issues a redirect. Normally, the class returns an error if the server responds with an "Object Moved" message. If this property is set to frAlways (1), the new URL for the object is retrieved automatically every time.
If this property is set to frSameScheme (2), the new URL is retrieved automatically only if the URL scheme of the existing URL is the same.
If the new URL server is different from the existing one, Authorization is also reset to empty, unless this property is set to frAlways (1), in which case the same credentials are used to connect to the new server.
A Redirect event is fired for every URL the product is redirected to. In the case of automatic redirections, the Redirect event is a good place to set properties related to the new connection (e.g., new authentication parameters).
The default value is frNever (0). In this case, redirects are never followed, and the class instead.
GRPC.GRPCTimeout Property
The gRPC timeout.
Syntax
getGRPCTimeout(): number; setGRPCTimeout(GRPCTimeout: number): void;
Default Value
0
Remarks
This property specifies the value for the grpc-timeout header (in seconds). The default value is 0 (infinite), and the header is not sent in the request.
GRPC.Idle Property
The current status of the class.
Syntax
isIdle(): boolean;
Default Value
TRUE
Remarks
Idle will be False if the component is currently busy (communicating and/or waiting for an answer), and True at all other times.
This property is read-only.
GRPC.MessageData Property
This property contains the message in a raw format.
Syntax
getMessageData(): Uint8Array;
Default Value
""
Remarks
This property contains the message in a raw format. After calling Post, this property is populated with the message response from the server. When writing the message, this property will be populated with the fields of the message in a raw format.
This property is read-only.
GRPC.OtherHeaders Property
This property includes other headers as determined by the user (optional).
Syntax
getOtherHeaders(): string; setOtherHeaders(otherHeaders: string): void;
Default Value
""
Remarks
This property can be set to a string of headers to be appended to the HTTP request headers.
The headers must follow the format "header: value" as described in the HTTP specifications. Header lines should be separated by .
Use this property with caution. If this property contains invalid headers, HTTP requests may fail.
This property is useful for extending the functionality of the class beyond what is provided.
This property is not available at design time.
GRPC.ParsedHeaders Property
This property includes a collection of headers returned from the last request.
Syntax
getParsedHeaders(): HeaderList;
Default Value
Remarks
This property contains a collection of headers returned from the last request. Whenever headers are returned from the server, the headers are parsed into a collection of headers. Each Header in this collection contains information describing that header.
MaxHeaders can be used to control the maximum number of headers saved.
This property is read-only and not available at design time.
GRPC.Proxy Property
This property includes a set of properties related to proxy access.
Syntax
getProxy(): Proxy; setProxy(proxy: Proxy): void;
Default Value
Remarks
This property contains fields describing the proxy through which the class will attempt to connect.
GRPC.SSLAcceptServerCert Property
Instructs the class to unconditionally accept the server certificate that matches the supplied certificate.
Syntax
getSSLAcceptServerCert(): Certificate; setSSLAcceptServerCert(SSLAcceptServerCert: Certificate): void;
Default Value
Remarks
If it finds any issues with the certificate presented by the server, the class will normally terminate the connection with an error.
You may override this behavior by supplying a value for SSLAcceptServerCert. If the certificate supplied in SSLAcceptServerCert is the same as the certificate presented by the server, then the server certificate is accepted unconditionally, and the connection will continue normally.
Please note that this functionality is provided only for cases where you otherwise know that you are communicating with the right server. If used improperly, this property may create a security breach. Use it at your own risk.
GRPC.SSLCert Property
The certificate to be used during SSL negotiation.
Syntax
getSSLCert(): Certificate; setSSLCert(SSLCert: Certificate): void;
Default Value
Remarks
The digital certificate that the class will use during SSL negotiation. Set this property to a valid certificate before starting SSL negotiation. To set a certificate, you may set the field to the encoded certificate. To select a certificate, use the store and subject fields.
GRPC.SSLProvider Property
This specifies the SSL/TLS implementation to use.
Syntax
getSSLProvider(): GrpcSSLProviders; setSSLProvider(SSLProvider: GrpcSSLProviders): void;
enum GrpcSSLProviders { sslpAutomatic, sslpPlatform, sslpInternal }
Default Value
0
Remarks
This property specifies the SSL/TLS implementation to use. In most cases the default value of 0 (Automatic) is recommended and should not be changed. When set to 0 (Automatic) the class will select whether to use the platform implementation or the internal implementation depending on the operating system as well as the TLS version being used.
Possible values are:
0 (sslpAutomatic - default) | Automatically selects the appropriate implementation. |
1 (sslpPlatform) | Uses the platform/system implementation. |
2 (sslpInternal) | Uses the internal implementation. |
In most cases using the default value (Automatic) is recommended. The class will select a provider depending on the current platform.
When Automatic is selected the platform implementation will be used by default in all cases in the JavaScript edition.
Note: The Internal provider is not support at this time.
GRPC.SSLServerCert Property
The server certificate for the last established connection.
Syntax
getSSLServerCert(): Certificate;
Default Value
Remarks
SSLServerCert contains the server certificate for the last established connection.
SSLServerCert is reset every time a new connection is attempted.
This property is read-only.
GRPC.Status Property
This property includes the gRPC status code.
Syntax
getStatus(): string;
Default Value
""
Remarks
This property contains the gRPC status code returned by the server when the request is sent through Post.
This property is read-only.
GRPC.StatusDescription Property
This property includes a unicode string description of an error, which is physically encoded as UTF-8 followed by percent-encoding.
Syntax
getStatusDescription(): string;
Default Value
""
Remarks
This property contains a unicode string description of any existing error, which is physically encoded as UTF-8 followed by percent-encoding. If there are no errors, the value of the property will be an empty string.
This property is read-only.
GRPC.StatusLine Property
This property is the first line of the last server response.
Syntax
getStatusLine(): string;
Default Value
""
Remarks
This property contains the first line of the last server response. This value can be used for diagnostic purposes. If an HTTP error is returned when calling a method of the class, the error string is the same as the StatusLine property.
The HTTP protocol specifies the structure of the StatusLine as follows: [HTTP version] [Result Code] [Description].
This property is read-only and not available at design time.
GRPC.Timeout Property
A timeout for the class.
Syntax
getTimeout(): number; setTimeout(timeout: number): void;
Default Value
60
Remarks
If the Timeout property is set to 0, all operations will run uninterrupted until successful completion or an error condition is encountered.
If Timeout is set to a positive value, the class will wait for the operation to complete before returning control.
The class will use DoEvents to enter an efficient wait loop during any potential waiting period, making sure that all system events are processed immediately as they arrive. This ensures that the host application does not "freeze" and remains responsive.
If Timeout expires, and the operation is not yet complete, the class .
Please note that by default, all timeouts are inactivity timeouts, i.e. the timeout period is extended by Timeout seconds when any amount of data is successfully sent or received.
The default value for the Timeout property is 60 seconds.
GRPC.TransferredData Property
This property includes the contents of the last response from the server.
Syntax
getTransferredData(): Uint8Array;
Default Value
""
Remarks
This property contains the contents of the last response from the server. The data also can be received in the Transfer event.
TransferredDataLimit controls the maximum amount of data accumulated in TransferredData (by default, there is no limit).
This property is read-only and not available at design time.
GRPC.TransferredDataLimit Property
This property specifies the the maximum amount of data to be transferred.
Syntax
getTransferredDataLimit(): number; setTransferredDataLimit(transferredDataLimit: number): void;
Default Value
0
Remarks
This property contains the maximum amount of data to be transferred. The default value is 0, which will not impose any limits on the amount of data accumulated in the TransferredData property.
GRPC.TransferredHeaders Property
This property includes the complete set of headers as received from the server.
Syntax
getTransferredHeaders(): string;
Default Value
""
Remarks
This property returns the complete set of raw headers as received from the server.
This property is read-only and not available at design time.
GRPC.URL Property
This property includes the URL to post.
Syntax
getURL(): string; setURL(URL: string): void;
Default Value
""
Remarks
This property contains the URL of the document that is used during the Post operation.
GRPC.XCount Property
This property includes the number of packed fields or instances of the field specified by XPath .
Syntax
getXCount(): number;
Default Value
0
Remarks
The XCount property can be used to obtain the number of values in a packed repeated field at the specified XPath. When XPath specifies a field that is not a packed repeated field, XCount will return the number of instances of the specified field. Even if the field is not a repeated field, it may still have multiple instances within the message, and XCount will reflect this number of instances.
Example. Using XCount and XPath to iterate through all values within a packed repeated field:
gRPC.XPath = "/10#v";
int count = gRPC.XCount;
for(int i=0;i<count;i++) {
gRPC.XPath = "/10#v[ " + i.ToString() + "]";
Console.WriteLine(Int32.Parse(gRPC.ReadInt32()));
}
This property is read-only.
GRPC.XPath Property
This property provides a way to point to a specific field in the message.
Syntax
getXPath(): string; setXPath(XPath: string): void;
Default Value
""
Remarks
XPath provides a simple way to navigate the fields within the received message using a subset of the XML XPath specification. The XPath property may be set to navigate to a specific field within the message structure. The HasXPath method may be used to determine whether or not an XPath exists before setting navigating to the location. The TryXPath method will attempt to navigate to the specified path and return True or False depending on the result.
XPath may be set to a series of one or more field accessors separated by '/'. The path can be absolute (starting with '/') or relative to the current XPath location. After setting the XPath property, use any of the following methods to read data or information about the field at the selected path:
- ReadBool
- ReadBytes
- ReadDouble
- ReadFieldNumber
- ReadFixed32
- ReadFixed64
- ReadFloat
- ReadInt32
- ReadInt64
- ReadString
The following are possible values for a field accessor:
field_number | The integer number of the field: for instance, /2 or /11 |
field_number[i] | The i-th occurrence of the field specified by the field_number: for instance, /2[1] or /11[3] |
[index] | The field at the position specified by index: for instance, /[2] would select the second field, regardless of the field number |
. | The current location |
.. | The parent of the current location |
Nested Messages
When a field of a message is itself another message, the fields of the submessage may be accessed by constructing an XPath to point to the submessage field. For example, /5/4 would move to field number 5 in the top-level message (which is itself a message), and then would move to field number 4 of the submessage.
Packed Repeated Fields
The following example shows the syntax to access values within packed repeated fields. The type of value within the packed repeated field must be known ahead of time. The XCount property can be used to obtain the number of values within the packed repeated field.
/10#v | Select field number 10, which is a packed repeated field of type variant |
/11#i | Select field number 11, which is a packed repeated field of type fixed32 |
/12#l | Select field number 12, which is a packed repeated field of type fixed64 |
/10#v[2] | Select the 2nd value of field number 10, which is a packed repeated field of type variant |
/11#v[2] | Select the 2nd value of field number 11, which is a packed repeated field of type fixed32 |
/12#v[2] | Select the 2nd value of field number 12, which is a packed repeated field of type fixed64 |
Example. Iterate through all values within a packed repeated field:
gRPC.XPath = "/10#v";
int count = gRPC.XCount;
for(int i=0;i<count;i++) {
gRPC.XPath = "/10#v[ " + i.ToString() + "]";
Console.WriteLine(Int32.Parse(gRPC.ReadInt32()));
}
GRPC.beginReadMessage Method
This method begins reading a message.
Syntax
async grpc.beginReadMessage(): Promise<void>
Remarks
This method begins reading a new message and always must be called before starting to read a new message or a subtype field.
To read a message sequentially, first call BeginReadMessage. Next, call ReadFieldNumber to get the next field number. The component will move automatically to the next field number to read. Then call the appropriate method from the following list to read the field value:
Example 1. Read message:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the string value of field with field number 1
String stringField = grpc.ReadString();
// Gets the next field number
CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the int32 value of the field
int Int32Field = grpc.ReadInt32();
// Ends reading a message
grpc.EndReadMessage();
If the field you want to read is a packed repeated field, then before calling any of the listed methods, call BeginReadPacked. BeginReadPacked returns the count of the repeated values. Call the ReadInt32 method to sequentially read each packed value. When done reading the packed repeated values, call EndReadPacked.
Example 2. Read message example, including a packed repeated field:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the count of the packed repeated field
int count = grpc.BeginReadPacked(0);
int[] theValues = new int[count];
for(int i=0 ;i < count; i++) {
// Get the values and store them in the theValues array
theValues[i] = grpc.ReadInt32();
}
// Ends reading a packed repeated field
grpc.EndReadPacked();
// Ends reading a message
grpc.EndReadMessage();
As a last step, call EndReadMessage.
GRPC.beginReadPacked Method
This method begins reading a repeated packed field.
Syntax
async grpc.beginReadPacked(wireType : number): Promise<number>
Remarks
This method begins reading a packed repeated field and always must be called before starting to read a packed repeated field. The wiretype of the elements must be specified in the WireType parameter. This method returns the number of elements of the packed repeated field.
To read a message sequentially, first call BeginReadMessage. Next, call ReadFieldNumber to get the next field number. The component will move automatically to the next field number to read. Then call the appropriate method from the following list to read the field value:
Example 1. Read message:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the string value of field with field number 1
String stringField = grpc.ReadString();
// Gets the next field number
CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the int32 value of the field
int Int32Field = grpc.ReadInt32();
// Ends reading a message
grpc.EndReadMessage();
If the field you want to read is a packed repeated field, then before calling any of the listed methods, call BeginReadPacked. BeginReadPacked returns the count of the repeated values. Call the ReadInt32 method to sequentially read each packed value. When done reading the packed repeated values, call EndReadPacked.
Example 2. Read message example, including a packed repeated field:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the count of the packed repeated field
int count = grpc.BeginReadPacked(0);
int[] theValues = new int[count];
for(int i=0 ;i < count; i++) {
// Get the values and store them in the theValues array
theValues[i] = grpc.ReadInt32();
}
// Ends reading a packed repeated field
grpc.EndReadPacked();
// Ends reading a message
grpc.EndReadMessage();
As a last step, call EndReadMessage.
GRPC.beginWriteMessage Method
This method begins writing a new message.
Syntax
async grpc.beginWriteMessage(): Promise<void>
Remarks
This method begins writing a new message and always must be always called before starting to write a new message or a subtype field.
To write a message, first call BeginWriteMessage. Next, call WriteFieldNumber and pass the field number to write. Then call the appropriate method from the following list to write the field value.
- WriteString
- WriteInt32
- WriteInt64
- WriteFloat
- WriteFixed32
- WriteFixed64
- WriteDouble
- WriteBytes
- WriteBool
Example 1. Write message:
// Begins writing a new message
grpc.BeginWriteMessage();
// Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Specifies the value of field with field number 1
grpc.WriteString("test");
grpc.WriteFieldNumber(2);
grpc.WriteInt32(2);
// Ends writing a message
grpc.EndWriteMessage();
Example 2. Write message, including a packed repeated field:
int[] RepeatedVarInt = new int[] { 3, 270, 86942 };
// Begins writing a new message
grpc.BeginWriteMessage();
//Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Begins writing a packed repeated field
grpc.BeginWritePacked();
for(int i=0 ;i < RepeatedVarInt.Length; i++) {
// Write each packed value
grpc.WriteInt32(RepeatedVarInt[i]);
}
// Ends writing a packed repeated field
grpc.EndWritePacked();
// Ends writing a new message
grpc.EndWriteMessage();
As a last step, call EndWriteMessage.
GRPC.beginWritePacked Method
This method begins writing a new packed repeated field.
Syntax
async grpc.beginWritePacked(): Promise<void>
Remarks
This method begins writing a new packed repeated field and always must be called before starting to write a new packed repeated field.
To write a message, first call BeginWriteMessage. Next, call WriteFieldNumber and pass the field number to write. Then call the appropriate method from the following list to write the field value.
- WriteString
- WriteInt32
- WriteInt64
- WriteFloat
- WriteFixed32
- WriteFixed64
- WriteDouble
- WriteBytes
- WriteBool
Example 1. Write message:
// Begins writing a new message
grpc.BeginWriteMessage();
// Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Specifies the value of field with field number 1
grpc.WriteString("test");
grpc.WriteFieldNumber(2);
grpc.WriteInt32(2);
// Ends writing a message
grpc.EndWriteMessage();
Example 2. Write message, including a packed repeated field:
int[] RepeatedVarInt = new int[] { 3, 270, 86942 };
// Begins writing a new message
grpc.BeginWriteMessage();
//Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Begins writing a packed repeated field
grpc.BeginWritePacked();
for(int i=0 ;i < RepeatedVarInt.Length; i++) {
// Write each packed value
grpc.WriteInt32(RepeatedVarInt[i]);
}
// Ends writing a packed repeated field
grpc.EndWritePacked();
// Ends writing a new message
grpc.EndWriteMessage();
As a last step, call EndWriteMessage.
GRPC.calcAuthorization Method
This method calculates the Authorization header based on provided credentials.
Syntax
async grpc.calcAuthorization(): Promise<void>
Remarks
This method calculates the Authorization value using the values provided in AuthScheme, User, and Password.
In most cases, this method does not need to be called. The class will automatically calculate any required authorization values when a method is called, such as Get or Post.
This method may be useful in cases in which the Authorization value needs to be calculated before sending a request.
GRPC.config Method
Sets or retrieves a configuration setting.
Syntax
async grpc.config(configurationString : string): Promise<string>
Remarks
Config is a generic method available in every class. It is used to set and retrieve configuration settings for the class.
These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the Config method.
To set a configuration setting named PROPERTY, you must call Config("PROPERTY=VALUE"), where VALUE is the value of the setting expressed as a string. For boolean values, use the strings "True", "False", "0", "1", "Yes", or "No" (case does not matter).
To read (query) the value of a configuration setting, you must call Config("PROPERTY"). The value will be returned as a string.
GRPC.doEvents Method
Processes events from the internal message queue.
Syntax
async grpc.doEvents(): Promise<void>
Remarks
When DoEvents is called, the class processes any available events. If no events are available, it waits for a preset period of time, and then returns.
GRPC.endReadMessage Method
This method ends reading a message.
Syntax
async grpc.endReadMessage(): Promise<void>
Remarks
This method completes reading a message or a subtype field. The EndReadMessage method must be called after the message fields are specified. This method has a matching pair with the BeginReadMessage method. Each call to BeginReadMessage must have a matching call to EndReadMessage.
To read a message sequentially, first call BeginReadMessage. Next, call ReadFieldNumber to get the next field number. The component will move automatically to the next field number to read. Then call the appropriate method from the following list to read the field value:
Example 1. Read message:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the string value of field with field number 1
String stringField = grpc.ReadString();
// Gets the next field number
CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the int32 value of the field
int Int32Field = grpc.ReadInt32();
// Ends reading a message
grpc.EndReadMessage();
If the field you want to read is a packed repeated field, then before calling any of the listed methods, call BeginReadPacked. BeginReadPacked returns the count of the repeated values. Call the ReadInt32 method to sequentially read each packed value. When done reading the packed repeated values, call EndReadPacked.
Example 2. Read message example, including a packed repeated field:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the count of the packed repeated field
int count = grpc.BeginReadPacked(0);
int[] theValues = new int[count];
for(int i=0 ;i < count; i++) {
// Get the values and store them in the theValues array
theValues[i] = grpc.ReadInt32();
}
// Ends reading a packed repeated field
grpc.EndReadPacked();
// Ends reading a message
grpc.EndReadMessage();
As a last step, call EndReadMessage.
GRPC.endReadPacked Method
This method ends reading a packed repeated field.
Syntax
async grpc.endReadPacked(): Promise<void>
Remarks
This method tells the component to end a packed repeated field reading operation. The EndReadPacked method must be called after the repeated values are specified. This method has a matching pair with the BeginReadPacked method. Each call to BeginReadPacked must have a matching call to EndReadPacked.
To read a message sequentially, first call BeginReadMessage. Next, call ReadFieldNumber to get the next field number. The component will move automatically to the next field number to read. Then call the appropriate method from the following list to read the field value:
Example 1. Read message:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the string value of field with field number 1
String stringField = grpc.ReadString();
// Gets the next field number
CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the int32 value of the field
int Int32Field = grpc.ReadInt32();
// Ends reading a message
grpc.EndReadMessage();
If the field you want to read is a packed repeated field, then before calling any of the listed methods, call BeginReadPacked. BeginReadPacked returns the count of the repeated values. Call the ReadInt32 method to sequentially read each packed value. When done reading the packed repeated values, call EndReadPacked.
Example 2. Read message example, including a packed repeated field:
// Begins reading a new message
grpc.BeginReadMessage();
// Gets the field number for the current field to read
String CurrentFieldNumber = grpc.ReadFieldNumber();
// Gets the count of the packed repeated field
int count = grpc.BeginReadPacked(0);
int[] theValues = new int[count];
for(int i=0 ;i < count; i++) {
// Get the values and store them in the theValues array
theValues[i] = grpc.ReadInt32();
}
// Ends reading a packed repeated field
grpc.EndReadPacked();
// Ends reading a message
grpc.EndReadMessage();
As a last step, call EndReadMessage.
GRPC.endWriteMessage Method
This method ends writing a message.
Syntax
async grpc.endWriteMessage(): Promise<void>
Remarks
This method completes writing a message or a subtype field. The EndWriteMessage method must be called after the message fields are specified. This method has a matching pair with the BeginWriteMessage method. Each call to BeginWriteMessage must have a matching call to EndWriteMessage.
To write a message, first call BeginWriteMessage. Next, call WriteFieldNumber and pass the field number to write. Then call the appropriate method from the following list to write the field value.
- WriteString
- WriteInt32
- WriteInt64
- WriteFloat
- WriteFixed32
- WriteFixed64
- WriteDouble
- WriteBytes
- WriteBool
Example 1. Write message:
// Begins writing a new message
grpc.BeginWriteMessage();
// Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Specifies the value of field with field number 1
grpc.WriteString("test");
grpc.WriteFieldNumber(2);
grpc.WriteInt32(2);
// Ends writing a message
grpc.EndWriteMessage();
Example 2. Write message, including a packed repeated field:
int[] RepeatedVarInt = new int[] { 3, 270, 86942 };
// Begins writing a new message
grpc.BeginWriteMessage();
//Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Begins writing a packed repeated field
grpc.BeginWritePacked();
for(int i=0 ;i < RepeatedVarInt.Length; i++) {
// Write each packed value
grpc.WriteInt32(RepeatedVarInt[i]);
}
// Ends writing a packed repeated field
grpc.EndWritePacked();
// Ends writing a new message
grpc.EndWriteMessage();
As a last step, call EndWriteMessage.
GRPC.endWritePacked Method
This method ends writing a packed repeated field.
Syntax
async grpc.endWritePacked(): Promise<void>
Remarks
This method tells the component to end a packed repeated field writing operation. The EndWritePacked method must be called after the repeated values are specified. This method has a matching pair with the BeginWritePacked method. Each call to BeginWritePacked must have a matching call to EndWritePacked.
To write a message, first call BeginWriteMessage. Next, call WriteFieldNumber and pass the field number to write. Then call the appropriate method from the following list to write the field value.
- WriteString
- WriteInt32
- WriteInt64
- WriteFloat
- WriteFixed32
- WriteFixed64
- WriteDouble
- WriteBytes
- WriteBool
Example 1. Write message:
// Begins writing a new message
grpc.BeginWriteMessage();
// Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Specifies the value of field with field number 1
grpc.WriteString("test");
grpc.WriteFieldNumber(2);
grpc.WriteInt32(2);
// Ends writing a message
grpc.EndWriteMessage();
Example 2. Write message, including a packed repeated field:
int[] RepeatedVarInt = new int[] { 3, 270, 86942 };
// Begins writing a new message
grpc.BeginWriteMessage();
//Specifies the field number for the current field to write
grpc.WriteFieldNumber(1);
// Begins writing a packed repeated field
grpc.BeginWritePacked();
for(int i=0 ;i < RepeatedVarInt.Length; i++) {
// Write each packed value
grpc.WriteInt32(RepeatedVarInt[i]);
}
// Ends writing a packed repeated field
grpc.EndWritePacked();
// Ends writing a new message
grpc.EndWriteMessage();
As a last step, call EndWriteMessage.
GRPC.hasXPath Method
This method determines whether a specific element exists in the document.
Syntax
grpc.hasXPath(XPath : string): boolean
Remarks
This method determines whether a particular XPath exists within the document. This may be used to check whether or not a path exists before setting it through XPath.
This method returns True if the xpath exists, and False if not.
See XPath for details on the XPath syntax.
GRPC.interrupt Method
Interrupt the current method.
Syntax
async grpc.interrupt(): Promise<void>
Remarks
If there is no method in progress, Interrupt simply returns, doing nothing.
GRPC.post Method
This method posts a message to the HTTP server using the HTTP POST method.
Syntax
async grpc.post(URL : string): Promise<void>
Remarks
This method posts data to the HTTP server using the HTTP POST method. Posted message data are constructed using the Write* methods. The server response text is received through the Transfer event and will be available in the MessageData property. The message response can be read with the component by using the MessageIn event. See the introduction page for details.
Example. Performing a post:
grpc.BeginWriteMessage();
grpc.WriteFieldNumber(1);
grpc.WriteString("test");
grpc.WriteFieldNumber(2);
grpc.WriteInt32(2);
grpc.EndWriteMessage();
GRPC.Post(myurl)
GRPC.readBool Method
This method reads the Boolean value from the current field number and returns it.
Syntax
async grpc.readBool(): Promise<boolean>
Remarks
This method reads the Boolean value of the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadBool.
GRPC.readBytes Method
This method reads the value of type byte from the current field number and returns it.
Syntax
async grpc.readBytes(): Promise<Uint8Array>
Remarks
This method reads the value of type byte from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadBytes.
GRPC.readDouble Method
This method reads the value of type double from the current field number and returns it.
Syntax
async grpc.readDouble(): Promise<string>
Remarks
This method reads the value of type double from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadDouble.
GRPC.readFieldNumber Method
This method reads the next field number and returns it.
Syntax
async grpc.readFieldNumber(): Promise<number>
Remarks
This method reads the next field number and returns it. The ReadFieldNumber method must be called before reading the value of the field.
GRPC.readFixed32 Method
This method reads the fixed int32 value from the current field number and returns it.
Syntax
async grpc.readFixed32(): Promise<number>
Remarks
This method reads the fixed int32 value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadFixed32.
GRPC.readFixed64 Method
This method reads the fixed int64 value from the current field number and returns it.
Syntax
async grpc.readFixed64(): Promise<number>
Remarks
This method reads the fixed int64 value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadFixed64.
GRPC.readFloat Method
This method reads the float value from the current field number and returns it.
Syntax
async grpc.readFloat(): Promise<string>
Remarks
This method reads the float value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadFloat.
GRPC.readInt32 Method
This method reads the int32 value from the current field number and returns it.
Syntax
async grpc.readInt32(): Promise<number>
Remarks
This method reads the int32 value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadInt32.
GRPC.readInt64 Method
This method reads the int64 value from the current field number and returns it.
Syntax
async grpc.readInt64(): Promise<number>
Remarks
This method reads the int64 value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadInt64.
GRPC.readSint32 Method
This method reads the sint32 value from the current field number and returns it.
Syntax
async grpc.readSint32(): Promise<number>
Remarks
This method reads the sint32 value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadInt32.
GRPC.readSint64 Method
This method reads the sint64 value from the current field number and returns it.
Syntax
async grpc.readSint64(): Promise<number>
Remarks
This method reads the sint64 value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadInt32.
GRPC.readSkip Method
This method skips reading a value from the current field.
Syntax
async grpc.readSkip(): Promise<void>
Remarks
This method skips reading a value from the current field specified by ReadFieldNumber. ReadSkip might be useful in cases in which you do not want to read the value of a particular field.
Example. Using ReadSkip to skip reading the field with the field number 2:
// Begins reading a message
grpc.BeginReadMessage();
// Loop to get the field number
// After all fields are traversed ReadFieldNumber will return 0
while ((num = grpc.ReadFieldNumber()) > 0) {
switch (num) {
case 1:
Name = grpc.ReadString();
break;
case 2:
// ReadSkip is used to skip reading value with field number 2
grpc.ReadSkip();
break;
case 3:
Num64 = grpc.ReadInt64();
break;
}
// Ends reading a message
grpc.EndReadMessage();
GRPC.readString Method
This method reads the string value from the current field number and returns it.
Syntax
async grpc.readString(): Promise<string>
Remarks
This method reads the string value from the current field number and returns it. The current field number is specified by the component when calling ReadFieldNumber.
The ReadFieldNumber method must be called before calling ReadString.
GRPC.reset Method
Reset the class.
Syntax
async grpc.reset(): Promise<void>
Remarks
This method will reset the class's properties to their default values.
GRPC.tryXPath Method
This method navigates to the specified XPath if it exists.
Syntax
async grpc.tryXPath(xpath : string): Promise<boolean>
Remarks
This method will attempt to navigate to the specified XPath parameter if it exists within the document.
If the XPath exists, the XPath property will be updated, and the method will return True.
If the XPath does not exist, the XPath property will not be updated, and the method will return False.
GRPC.writeBool Method
This method writes a Boolean value to the current field number.
Syntax
async grpc.writeBool(value : boolean): Promise<void>
Remarks
This method is used to write a Boolean value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The Boolean value must be passed to the value parameter.
GRPC.writeBytes Method
This method writes a value of type byte to the current field number.
Syntax
async grpc.writeBytes(value : Uint8Array): Promise<void>
Remarks
This method is used to write a value of type byte to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The value of type byte must be passed to the value parameter.
GRPC.writeDouble Method
This method writes a value of type double to the current field number.
Syntax
async grpc.writeDouble(value : string): Promise<void>
Remarks
This method is used to write a value of type double to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The value of type double must be passed to the value parameter.
GRPC.writeFieldNumber Method
This method specifies the field number to write.
Syntax
async grpc.writeFieldNumber(value : number): Promise<void>
Remarks
This method tells the component which message field number to write. The field number must be passed to the value parameter.
This method must be called before writing the field value.
GRPC.writeFixed32 Method
This method writes a fixed32 value to the current field number.
Syntax
async grpc.writeFixed32(value : number): Promise<void>
Remarks
This method is used to write a fixed32 value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The fixed32 value must be passed to the value parameter.
GRPC.writeFixed64 Method
This method writes a fixed64 value to the current field number.
Syntax
async grpc.writeFixed64(value : number): Promise<void>
Remarks
This method is used to write a fixed64 value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The fixed64 value must be passed to the value parameter.
GRPC.writeFloat Method
This method writes a float value to the current field number specified.
Syntax
async grpc.writeFloat(value : string): Promise<void>
Remarks
This method is used to write a float value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The float value must be passed to the value parameter.
GRPC.writeInt32 Method
This method writes an int32 value to the current field number.
Syntax
async grpc.writeInt32(value : number): Promise<void>
Remarks
This method is used to write an int32 value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The int32 value must be passed to the value parameter.
GRPC.writeInt64 Method
This method writes an int64 value to the current field number.
Syntax
async grpc.writeInt64(value : number): Promise<void>
Remarks
This method is used to write an int64 value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The int64 value must be passed to the value parameter.
GRPC.writeSint32 Method
This method writes an sint32 value to the current field number.
Syntax
async grpc.writeSint32(value : number): Promise<void>
Remarks
This method is used to write an sint32 value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The sint32 value must be passed to the value parameter.
GRPC.writeSint64 Method
This method writes an sint64 value to the current field number.
Syntax
async grpc.writeSint64(value : number): Promise<void>
Remarks
This method is used to write an sint64 value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The sint364 value must be passed to the value parameter.
GRPC.writeString Method
This method writes a string value to the current field number.
Syntax
async grpc.writeString(value : string): Promise<void>
Remarks
This method is used to write a string value to the current field number. The current field number must be specified with the WriteFieldNumber method before calling this method.
The string value must be passed to the value parameter.
GRPC.Connected Event
This event is fired immediately after a connection completes (or fails).
Syntax
grpc.on('Connected', listener: (e: {readonly statusCode: number, readonly description: string}) => void )
Remarks
If the connection is made normally, StatusCode is 0 and Description is "OK".
If the connection fails, StatusCode has the error code returned by the Transmission Control Protocol (TCP)/IP stack. Description contains a description of this code. The value of StatusCode is equal to the value of the error.
Please refer to the Error Codes section for more information.
GRPC.ConnectionStatus Event
This event is fired to indicate changes in the connection state.
Syntax
grpc.on('ConnectionStatus', listener: (e: {readonly connectionEvent: string, readonly statusCode: number, readonly description: string}) => void )
Remarks
The ConnectionStatus event is fired when the connection state changes: for example, completion of a firewall or proxy connection or completion of a security handshake.
The ConnectionEvent parameter indicates the type of connection event. Values may include the following:
Firewall connection complete. | |
Secure Sockets Layer (SSL) or S/Shell handshake complete (where applicable). | |
Remote host connection complete. | |
Remote host disconnected. | |
SSL or S/Shell connection broken. | |
Firewall host disconnected. |
GRPC.Disconnected Event
This event is fired when a connection is closed.
Syntax
grpc.on('Disconnected', listener: (e: {readonly statusCode: number, readonly description: string}) => void )
Remarks
If the connection is broken normally, StatusCode is 0 and Description is "OK".
If the connection is broken for any other reason, StatusCode has the error code returned by the Transmission Control Protocol (TCP/IP) subsystem. Description contains a description of this code. The value of StatusCode is equal to the value of the TCP/IP error.
Please refer to the Error Codes section for more information.
GRPC.EndTransfer Event
This event is fired when a document finishes transferring.
Syntax
grpc.on('EndTransfer', listener: (e: {readonly direction: number}) => void )
Remarks
The EndTransfer event is fired first when the client finishes sending data to the server (in a POST or PUT request) and then when the document text finishes transferring from the server to the local host.
The Direction parameter shows whether the client (0) or the server (1) is sending the data.
GRPC.Error Event
Information about errors during data delivery.
Syntax
grpc.on('Error', listener: (e: {readonly errorCode: number, readonly description: string}) => void )
Remarks
The Error event is fired in case of exceptional conditions during message processing. Normally the class .
ErrorCode contains an error code and Description contains a textual description of the error. For a list of valid error codes and their descriptions, please refer to the Error Codes section.
GRPC.Log Event
This event fires once for each log message.
Syntax
grpc.on('Log', listener: (e: {readonly logLevel: number, readonly message: string, readonly logType: string}) => void )
Remarks
This event fires once for each log message generated by the class. The verbosity is controlled by the LogLevel setting.
LogLevel indicates the level of message. Possible values are as follows:
0 (None) | No events are logged. |
1 (Info - default) | Informational events are logged. |
2 (Verbose) | Detailed data are logged. |
3 (Debug) | Debug data are logged. |
The value 1 (Info) logs basic information, including the URL, HTTP version, and status details.
The value 2 (Verbose) logs additional information about the request and response.
The value 3 (Debug) logs the headers and body for both the request and response, as well as additional debug information (if any).
Message is the log entry.
LogType identifies the type of log entry. Possible values are as follows:
- "Info"
- "RequestHeaders"
- "ResponseHeaders"
- "RequestBody"
- "ResponseBody"
- "ProxyRequest"
- "ProxyResponse"
- "FirewallRequest"
- "FirewallResponse"
GRPC.MessageIn Event
This event fires when a message response is sent by the server.
Syntax
grpc.on('MessageIn', listener: (e: {readonly compressed: boolean, readonly messageLength: number}) => void )
Remarks
This event fires for every message response sent by the server after calling Post. Every time this event fires, the MessageData property is populated with the raw data of the response.
Compressed is a Boolean indicating whether or not the message is in a compressed state.
The length of the message is shown by MessageLength.
GRPC.Redirect Event
This event is fired when a redirection is received from the server.
Syntax
grpc.on('Redirect', listener: (e: {readonly location: string, accept: boolean}) => void )
Remarks
This event is fired in cases in which the client can decide whether or not to continue with the redirection process. The Accept parameter is always True by default, but if you do not want to follow the redirection, Accept may be set to False, in which case the class . Location is the location to which the client is being redirected. Further control over redirection is provided in the FollowRedirects property.
GRPC.SSLServerAuthentication Event
Fired after the server presents its certificate to the client.
Syntax
grpc.on('SSLServerAuthentication', listener: (e: {readonly certEncoded: string, readonly certEncodedB: Uint8Array, readonly certSubject: string, readonly certIssuer: string, readonly status: string, accept: boolean}) => void )
Remarks
This event fires with information about the server certificate. The Status property shows why verification failed (otherwise, Status contains the string "OK"). To manually accept an untrusted certificate, the SSLAcceptAnyServerCert setting must be set to True before intiating the connection.
GRPC.SSLStatus Event
Shows the progress of the secure connection.
Syntax
grpc.on('SSLStatus', listener: (e: {readonly message: string}) => void )
Remarks
The event is fired for informational and logging purposes only. Used to track the progress of the connection.
GRPC.StartTransfer Event
This event is fired when a document starts transferring (after the headers).
Syntax
grpc.on('StartTransfer', listener: (e: {readonly direction: number}) => void )
Remarks
The StartTransfer event is fired first when the client starts sending data to the server (in a POST or PUT request) and then when the document text starts transferring from the server to the local host.
The Direction parameter shows whether the client (0) or the server (1) is sending the data.
GRPC.Status Event
This event is fired when the HTTP status line is received from the server.
Syntax
grpc.on('Status', listener: (e: {readonly HTTPVersion: string, readonly statusCode: number, readonly description: string}) => void )
Remarks
HTTPVersion is a string containing the HTTP version string as returned from the server (e.g., "1.1").
StatusCode contains the HTTP status code (e.g., 200), and Description the associated message returned by the server (e.g., "OK").
GRPC.Transfer Event
This event is fired while a document transfers (delivers document).
Syntax
grpc.on('Transfer', listener: (e: {readonly direction: number, readonly bytesTransferred: number, readonly percentDone: number, readonly text: string, readonly textB: Uint8Array}) => void )
Remarks
The Text parameter contains the portion of the document text being received. It is empty if data are being posted to the server.
The BytesTransferred parameter contains the number of bytes transferred in this Direction since the beginning of the document text (excluding HTTP response headers).
The Direction parameter shows whether the client (0) or the server (1) is sending the data.
The PercentDone parameter shows the progress of the transfer in the corresponding direction. If PercentDone can not be calculated the value will be -1.
Note: Events are not re-entrant. Performing time-consuming operations within this event will prevent it from firing again in a timely manner and may affect overall performance.
Certificate Type
This is the digital certificate being used.
Remarks
This type describes the current digital certificate. The certificate may be a public or private key. The fields are used to identify or select certificates.
Fields
EffectiveDate string |
This is the date on which this certificate becomes valid. Before this date, it is not valid. The following example illustrates the format of an encoded date: 23-Jan-2000 15:00:00. |
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Encoded Uint8Array |
This is the certificate (PEM/base64 encoded). This property is used to assign a specific certificate. The and properties also may be used to specify a certificate. When is set, a search is initiated in the current for the private key of the certificate. If the key is found, is updated to reflect the full subject of the selected certificate; otherwise, is set to an empty string. |
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EncodedB byte[] |
This is the certificate (PEM/base64 encoded). This property is used to assign a specific certificate. The and properties also may be used to specify a certificate. When is set, a search is initiated in the current for the private key of the certificate. If the key is found, is updated to reflect the full subject of the selected certificate; otherwise, is set to an empty string. |
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ExpirationDate string |
This is the date the certificate expires. After this date, the certificate will no longer be valid. The following example illustrates the format of an encoded date: 23-Jan-2001 15:00:00. |
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ExtendedKeyUsage string |
This is a comma-delimited list of extended key usage identifiers. These are the same as ASN.1 object identifiers (OIDs). |
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Fingerprint string |
This is the hex-encoded, 16-byte MD5 fingerprint of the certificate. The following example illustrates the format: bc:2a:72:af:fe:58:17:43:7a:5f:ba:5a:7c:90:f7:02 |
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FingerprintSHA1 string |
This is the hex-encoded, 20-byte SHA-1 fingerprint of the certificate. The following example illustrates the format: 30:7b:fa:38:65:83:ff:da:b4:4e:07:3f:17:b8:a4:ed:80:be:ff:84 |
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FingerprintSHA256 string |
This is the hex-encoded, 32-byte SHA-256 fingerprint of the certificate. The following example illustrates the format: 6a:80:5c:33:a9:43:ea:b0:96:12:8a:64:96:30:ef:4a:8a:96:86:ce:f4:c7:be:10:24:8e:2b:60:9e:f3:59:53 |
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Issuer string |
This is the issuer of the certificate. This property contains a string representation of the name of the issuing authority for the certificate. |
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KeyPassword string |
This is the password for the certificate's private key (if any). Some certificate stores may individually protect certificates' private keys, separate from the standard protection offered by the . . This field can be used to read such password-protected private keys. Note: this property defaults to the value of . To clear it, you must set the property to the empty string (""). It can be set at any time, but when the private key's password is different from the store's password, then it must be set before calling . |
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PrivateKey string |
This is the private key of the certificate (if available). The key is provided as PEM/Base64-encoded data. Note: The may be available but not exportable. In this case, returns an empty string. |
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PrivateKeyAvailable boolean |
This property shows whether a is available for the selected certificate. If is True, the certificate may be used for authentication purposes (e.g., server authentication). |
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PrivateKeyContainer string |
This is the name of the container for the certificate (if available). This functionality is available only on Windows platforms. |
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PublicKey string |
This is the public key of the certificate. The key is provided as PEM/Base64-encoded data. |
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PublicKeyAlgorithm string |
This property contains the textual description of the certificate's public key algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_DH") or an object identifier (OID) string representing the algorithm. |
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PublicKeyLength number |
This is the length of the certificate's public key (in bits). Common values are 512, 1024, and 2048. |
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SerialNumber string |
This is the serial number of the certificate encoded as a string. The number is encoded as a series of hexadecimal digits, with each pair representing a byte of the serial number. |
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SignatureAlgorithm string |
The property contains the text description of the certificate's signature algorithm. The property contains either the name of the algorithm (e.g., "RSA" or "RSA_MD5RSA") or an object identifier (OID) string representing the algorithm. |
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Store Uint8Array |
This is the name of the certificate store for the client certificate. The property denotes the type of the certificate store specified by . If the store is password protected, specify the password in . is used in conjunction with the property to specify client certificates. If has a value, and or is set, a search for a certificate is initiated. Please see the property for details. Designations of certificate stores are platform-dependent. The following are designations of the most common User and Machine certificate stores in Windows:
When the certificate store type is PFXFile, this property must be set to the name of the file. When the type is PFXBlob, the property must be set to the binary contents of a PFX file (i.e. PKCS12 certificate store). |
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StoreB byte[] |
This is the name of the certificate store for the client certificate. The property denotes the type of the certificate store specified by . If the store is password protected, specify the password in . is used in conjunction with the property to specify client certificates. If has a value, and or is set, a search for a certificate is initiated. Please see the property for details. Designations of certificate stores are platform-dependent. The following are designations of the most common User and Machine certificate stores in Windows:
When the certificate store type is PFXFile, this property must be set to the name of the file. When the type is PFXBlob, the property must be set to the binary contents of a PFX file (i.e. PKCS12 certificate store). |
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StorePassword string |
If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store. |
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StoreType CertStoreTypes |
This is the type of certificate store for this certificate. The class supports both public and private keys in a variety of formats. When the cstAuto value is used the class will automatically determine the type. This property can take one of the following values:
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Subject string |
This is the subject of the certificate used for client authentication. This property must be set after all other certificate properites are set. When this property is set, a search is performed in the current certificate store certificate with matching subject. If a matching certificate is found, the property is set to the full subject of the matching certificate. If an exact match is not found, the store is searched for subjects containing the value of the property. If a match is still not found, the property is set to an empty string, and no certificate is selected. The special value "*" picks a random certificate in the certificate store. The certificate subject is a comma separated list of distinguished name fields and values. For instance "CN=www.server.com, OU=test, C=US, E=support@nsoftware.com". Common fields and their meanings are displayed below.
If a field value contains a comma it must be quoted. |
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SubjectAltNames string |
This property contains comma-separated lists of alternative subject names for the certificate. |
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ThumbprintMD5 string |
This property contains the MD5 hash of the certificate. If the hash does not already exist, it is computed. |
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ThumbprintSHA1 string |
This property contains the SHA-1 hash of the certificate. If the hash does not already exist, it is computed. |
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ThumbprintSHA256 string |
This property contains the SHA-256 hash of the certificate. If the hash does not already exist, it is computed. |
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Usage string |
This property contains the text description of . This value will be of one or more of the following strings and will be separated by commas:
If the provider is OpenSSL, the value is a comma-separated list of X.509 certificate extension names. |
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UsageFlags number |
This property contains the flags that show intended use for the certificate. The value of is a combination of the following flags:
Please see the property for a text representation of . This functionality currently is not available when the provider is OpenSSL. |
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Version string |
This property contains the certificate's version number. The possible values are the strings "V1", "V2", and "V3". |
Constructors
public Certificate();
Creates a Certificate instance whose properties can be set. This is useful for use with CERTMGR when generating new certificates.
public Certificate(String certificateFile);
Opens CertificateFile and reads out the contents as an X509 public key.
public Certificate(byte[] certificateData);
Parses CertificateData as an X509 public key.
public Certificate(int certStoreType, String store, String storePassword, String subject);
CertStoreType identifies the type of certificate store to use. See StoreType for descriptions of the different certificate stores. Store is a file containing the certificate store. StorePassword is the password used to protect the store. After the store has been successfully opened, the class will attempt to find the certificate identified by Subject . This can be either a complete or a substring match of the X509 certificate's subject Distinguished Name (DN).
public Certificate(int certStoreType, String store, String storePassword, String subject, String configurationString);
CertStoreType identifies the type of certificate store to use. See StoreType for descriptions of the different certificate stores. Store is a file containing the certificate store. StorePassword is the password used to protect the store. ConfigurationString is a newline separated list of name-value pairs that may be used to modify the default behavior. Possible values include "PersistPFXKey", which shows whether or not the PFX key is persisted after performing operations with the private key. This correlates to the PKCS12_NO_PERSIST_KEY CyrptoAPI option. The default value is True (the key is persisted). "Thumbprint" - a MD5, SHA1, or SHA256 thumbprint of the certificate to load. When specified, this value is used to select the certificate in the store. This is applicable to cstUser, cstMachine, cstPublicKeyFile, and cstPFXFile store types. "UseInternalSecurityAPI" shows whether the platform (default) or the internal security API is used when performing certificate-related operations. After the store has been successfully opened, the class will attempt to find the certificate identified by Subject . This can be either a complete or a substring match of the X509 certificate's subject Distinguished Name (DN).
public Certificate(int certStoreType, String store, String storePassword, byte[] encoded);
CertStoreType identifies the type of certificate store to use. See StoreType for descriptions of the different certificate stores. Store is a file containing the certificate store. StorePassword is the password used to protect the store. After the store has been successfully opened, the class will load Encoded as an X509 certificate and search the opened store for a corresponding private key.
public Certificate(int certStoreType, byte[] storeBlob, String storePassword, String subject);
CertStoreType identifies the type of certificate store to use. See StoreType for descriptions of the different certificate stores. StoreBlob is a string (binary- or base64-encoded) containing the certificate data. StorePassword is the password used to protect the store. After the store has been successfully opened, the class will attempt to find the certificate identified by Subject . This can be either a complete or a substring match of the X509 certificate's subject Distinguished Name (DN).
public Certificate(int certStoreType, byte[] storeBlob, String storePassword, String subject, String configurationString);
CertStoreType identifies the type of certificate store to use. See StoreType for descriptions of the different certificate stores. StoreBlob is a string (binary- or base64-encoded) containing the certificate data. StorePassword is the password used to protect the store. After the store has been successfully opened, the class will attempt to find the certificate identified by Subject . This can be either a complete or a substring match of the X509 certificate's subject Distinguished Name (DN).
public Certificate(int certStoreType, byte[] storeBlob, String storePassword, byte[] encoded);
CertStoreType identifies the type of certificate store to use. See StoreType for descriptions of the different certificate stores. Store is a string (binary- or base64-encoded) containing the certificate store. StorePassword is the password used to protect the store. After the store has been successfully opened, the class will load Encoded as an X509 certificate and search the opened store for a corresponding private key.
Firewall Type
This is the firewall the class will connect through.
Remarks
When connecting through a firewall, this type is used to specify different properties of the firewall, such as the firewall and the .
Fields
AutoDetect boolean |
This property tells the class whether or not to automatically detect and use firewall system settings, if available.
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FirewallType FirewallTypes |
This property determines the type of firewall to connect through. The applicable values are as follows: |
Host string |
This property contains the name or IP address of firewall (optional). If a is given, the requested connections will be authenticated through the specified firewall when connecting. If this property is set to a Domain Name, a DNS request is initiated. Upon successful termination of the request, this property is set to the corresponding address. If the search is not successful, the class . |
Password string |
This property contains a password if authentication is to be used when connecting through the firewall. If is specified, the and properties are used to connect and authenticate to the given firewall. If the authentication fails, the class . |
Port number |
This property contains the transmission control protocol (TCP) port for the firewall . See the description of the property for details. Note: This property is set automatically when is set to a valid value. See the description of the property for details. |
User string |
This property contains a user name if authentication is to be used connecting through a firewall. If the is specified, this property and properties are used to connect and authenticate to the given Firewall. If the authentication fails, the class . |
Constructors
public Firewall();
Header Type
This is an HTTP header as it is received from the server.
Remarks
When a header is received through a Header event, it is parsed into a Header type. This type contains a , and its corresponding .
Fields
Field string |
This property contains the name of the HTTP Header (this is the same case as it is delivered). |
Value string |
This property contains the Header contents. |
Constructors
public Header();
public Header(String field, String value);
Proxy Type
This is the proxy the class will connect to.
Remarks
When connecting through a proxy, this type is used to specify different properties of the proxy, such as the and the .
Fields
AuthScheme ProxyAuthSchemes |
This property is used to tell the class which type of authorization to perform when connecting to the proxy. This is used only when the and properties are set. should be set to authNone (3) when no authentication is expected. By default, is authBasic (0), and if the and properties are set, the component will attempt basic authentication. If is set to authDigest (1), digest authentication will be attempted instead. If is set to authProprietary (2), then the authorization token will not be generated by the class. Look at the configuration file for the class being used to find more information about manually setting this token. If is set to authNtlm (4), NTLM authentication will be used. For security reasons, setting this property will clear the values of and . |
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AutoDetect boolean |
This property tells the class whether or not to automatically detect and use proxy system settings, if available. The default value is false.
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Password string |
This property contains a password if authentication is to be used for the proxy. If is set to Basic Authentication, the and are Base64 encoded and the proxy authentication token will be generated in the form Basic [encoded-user-password]. If is set to Digest Authentication, the and properties are used to respond to the Digest Authentication challenge from the server. If is set to NTLM Authentication, the and properties are used to authenticate through NTLM negotiation. |
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Port number |
This property contains the Transmission Control Protocol (TCP) port for the proxy (default 80). See the description of the property for details. |
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Server string |
If a proxy is given, then the HTTP request is sent to the proxy instead of the server otherwise specified. If the property is set to a domain name, a DNS request is initiated. Upon successful termination of the request, the property is set to the corresponding address. If the search is not successful, an error is returned. |
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SSL ProxySSLTypes |
This property determines when to use a Secure Sockets Layer (SSL) for the connection to the proxy. The applicable values are as follows:
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User string |
This property contains a user name, if authentication is to be used for the proxy. If is set to Basic Authentication, the and are Base64 encoded and the proxy authentication token will be generated in the form Basic [encoded-user-password]. If is set to Digest Authentication, the and properties are used to respond to the Digest Authentication challenge from the server. If is set to NTLM Authentication, the and properties are used to authenticate through NTLM negotiation. |
Constructors
public Proxy();
public Proxy(String server, int port);
public Proxy(String server, int port, String user, String password);
Config Settings (class ipworks.grpc)
The class accepts one or more of the following configuration settings. Configuration settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the Config method.GRPC Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ContentType: The HTTP2 content-type header value.This configuration setting specifies the content-type header value that is sent in the request. The default value is application/grpc+proto. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
HTTP2KeepaliveInterval: The keepalive interval in seconds.This configuration setting specifies interval, in seconds, between HTTP2 keepalives. The keepalives are sent as an HTTP2 PING frame. The default value is 0 and keepalives will not be sent. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MessageDataHex: The hex encoded data for the current message.This configuration setting may be queried at any time and will return the hex-encoded message data as a string. This is useful to obtain the raw message bytes in a string format that can be easily transmitted for storage or debugging purposes. This typically is useful only when it is necessary to record the raw message data for processing outside of the component. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
UserAgent: The HTTP2 user-agent header value.This configuration setting specifies the user-agent header value that is sent in the request. The default value is grpc-cpp/20.0. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
HTTP Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
AcceptEncoding: Used to tell the server which types of content encodings the client supports.When AllowHTTPCompression is True, the class adds an Accept-Encoding header to the request being sent to the server. By default, this header's value is "gzip, deflate". This configuration setting allows you to change the value of the Accept-Encoding header. Note: The class only supports gzip and deflate decompression algorithms. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
AllowHTTPCompression:
This property enables HTTP compression for receiving data.This configuration setting enables HTTP compression for receiving data.
When set to True (default), the class will accept compressed data. It then will uncompress the data it has received. The class will handle data compressed by both gzip and deflate compression algorithms.
When True, the class adds an Accept-Encoding header to the outgoing request. The value for this header can be controlled by the AcceptEncoding configuration setting. The default value for this header is "gzip, deflate". The default value is True. |
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AllowHTTPFallback:
Whether HTTP/2 connections are permitted to fallback to HTTP/1.1.This configuration setting controls whether HTTP/2 connections are permitted to fall back to HTTP/1.1 when the server
does not support HTTP/2. This setting is applicable only when HTTPVersion is set to "2.0".
If set to True (default), the class will automatically use HTTP/1.1 if the server does not support HTTP/2. If set to False, the class if the server does not support HTTP/2. The default value is True. |
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Append: Whether to append data to LocalFile.This configuration setting determines whether data will be appended when writing to LocalFile. When set to True, downloaded data will be appended to LocalFile. This may be used in conjunction with Range to resume a failed download. This is applicable only when LocalFile is set. The default value is False. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Authorization:
The Authorization string to be sent to the server.If the Authorization property contains a nonempty string,
an Authorization HTTP request header is added to the
request. This header conveys Authorization information to the
server.
This property is provided so that the HTTP class can be extended with other security schemes in addition to the authorization schemes already implemented by the class. The AuthScheme property defines the authentication scheme used. In the case of HTTP Basic Authentication (default), every time User and Password are set, they are Base64 encoded, and the result is put in the Authorization property in the form "Basic [encoded-user-password]". |
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BytesTransferred: Contains the number of bytes transferred in the response data.This configuration setting returns the raw number of bytes from the HTTP response data, before the component processes the data, whether it is chunked or compressed. This returns the same value as the Transfer event, by BytesTransferred. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ChunkSize: Specifies the chunk size in bytes when using chunked encoding.This is applicable only when UseChunkedEncoding is True. This setting specifies the chunk size in bytes to be used when posting data. The default value is 16384. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
CompressHTTPRequest:
Set to true to compress the body of a PUT or POST request.If set to True, the body of a PUT or POST request will be compressed into gzip format before sending the request. The "Content-Encoding" header is also added to the outgoing request.
The default value is False. |
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EncodeURL: If set to True the URL will be encoded by the class.If set to True, the URL passed to the class will be URL encoded. The default value is False. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
FollowRedirects:
Determines what happens when the server issues a redirect.This option determines what happens when the server issues a redirect. Normally, the class returns an error if the server responds
with an "Object Moved" message. If this property is set to 1 (always), the new URL for the object is retrieved automatically every time.
If this property is set to 2 (Same Scheme), the new URL is retrieved automatically only if the URL Scheme is the same; otherwise, the class . Note: Following the HTTP specification, unless this option is set to 1 (Always), automatic redirects will be performed only for GET or HEAD requests. Other methods potentially could change the conditions of the initial request and create security vulnerabilities. Furthermore, if either the new URL server or port are different from the existing one, User and Password are also reset to empty, unless this property is set to 1 (Always), in which case the same credentials are used to connect to the new server. A Redirect event is fired for every URL the product is redirected to. In the case of automatic redirections, the Redirect event is a good place to set properties related to the new connection (e.g., new authentication parameters). The default value is 0 (Never). In this case, redirects are never followed, and the class instead. Following are the valid options:
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GetOn302Redirect: If set to True the class will perform a GET on the new location.The default value is False. If set to True, the class will perform a GET on the new location. Otherwise, it will use the same HTTP method again. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
HTTP2HeadersWithoutIndexing: HTTP2 headers that should not update the dynamic header table with incremental indexing.HTTP/2 servers maintain a dynamic table of headers and values seen over the course of a connection. Typically, these headers are inserted into the table through incremental indexing (also known as HPACK, defined in RFC 7541). To tell the component not to use incremental indexing for certain headers, and thus not update the dynamic table, set this configuration option to a comma-delimited list of the header names. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
HTTPVersion:
The version of HTTP used by the class.This property specifies the HTTP version used by the class. Possible values are as follows:
When using HTTP/2 ("2.0"), additional restrictions apply. Please see the following notes for details.
HTTP/2 NotesWhen using HTTP/2, a secure Secure Sockets Layer/Transport Layer Security (TLS/SSL) connection is required. Attempting to use a plaintext URL with HTTP/2 will result in an error. If the server does not support HTTP/2, the class will automatically use HTTP/1.1 instead. This is done to provide compatibility without the need for any additional settings. To see which version was used, check NegotiatedHTTPVersion after calling a method. The AllowHTTPFallback setting controls whether this behavior is allowed (default) or disallowed.
HTTP/3 NotesHTTP/3 is supported only in .NET and Java. When using HTTP/3, a secure (TLS/SSL) connection is required. Attempting to use a plaintext URL with HTTP/3 will result in an error. |
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IfModifiedSince:
A date determining the maximum age of the desired document.If this setting contains a nonempty string, an If-Modified-Since HTTP header is added to the request.
The value of this header is used to make the HTTP request conditional: if the requested documented has not
been modified since the time specified in the field, a copy of the document will not be returned from
the server; instead, a 304 (not modified) response will be returned by the server and the component throws an exception
The format of the date value for IfModifiedSince is detailed in the HTTP specs. For example:
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KeepAlive:
Determines whether the HTTP connection is closed after completion of the request.If True, the component will not send the Connection: Close header. The absence of the Connection header indicates to the server
that HTTP persistent connections should be used if supported.
Note: Not all servers support persistent connections. You also may explicitly add the Keep-Alive header to the request headers by setting OtherHeaders to Connection: Keep-Alive.
If False, the connection will be closed immediately after the server response is received.
The default value for KeepAlive is False. |
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KerberosSPN: The Service Principal Name for the Kerberos Domain Controller.If the Service Principal Name on the Kerberos Domain Controller is not the same as the URL that you are authenticating to, the Service Principal Name should be set here. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LogLevel:
The level of detail that is logged.This configuration setting controls the level of detail that is logged through the Log event. Possible values are as follows:
The value 1 (Info) logs basic information, including the URL, HTTP version, and status details. The value 2 (Verbose) logs additional information about the request and response. The value 3 (Debug) logs the headers and body for both the request and response, as well as additional debug information (if any). |
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MaxRedirectAttempts: Limits the number of redirects that are followed in a request.When FollowRedirects is set to any value other than frNever, the class will follow redirects until this maximum number of redirect attempts are made. The default value is 20. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
NegotiatedHTTPVersion: The negotiated HTTP version.This configuration setting may be queried after the request is complete to indicate the HTTP version used. When HTTPVersion is set to "2.0" (if the server does not support "2.0"), then the class will fall back to using "1.1" automatically. This setting will indicate which version was used. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
OtherHeaders:
Other headers as determined by the user (optional).This configuration setting can be set to a string of headers to be appended to the HTTP request headers.
The headers must follow the format "header: value" as described in the HTTP specifications. Header lines should be separated by . Use this configuration setting with caution. If this configuration setting contains invalid headers, HTTP requests may fail. This configuration setting is useful for extending the functionality of the class beyond what is provided. |
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ProxyAuthorization: The authorization string to be sent to the proxy server.This is similar to the Authorization configuration setting, but is used for proxy authorization. If this configuration setting contains a nonempty string, a Proxy-Authorization HTTP request header is added to the request. This header conveys proxy Authorization information to the server. If ProxyUser and ProxyPassword are specified, this value is calculated using the algorithm specified by ProxyAuthScheme. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ProxyAuthScheme: The authorization scheme to be used for the proxy.This configuration setting is provided for use by classs that do not directly expose Proxy properties. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ProxyPassword: A password if authentication is to be used for the proxy.This configuration setting is provided for use by classs that do not directly expose Proxy properties. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ProxyPort: Port for the proxy server (default 80).This configuration setting is provided for use by classs that do not directly expose Proxy properties. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ProxyServer: Name or IP address of a proxy server (optional).This configuration setting is provided for use by classs that do not directly expose Proxy properties. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ProxyUser: A user name if authentication is to be used for the proxy.This configuration setting is provided for use by classs that do not directly expose Proxy properties. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SentHeaders: The full set of headers as sent by the client.This configuration setting returns the complete set of raw headers as sent by the client. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
StatusLine: The first line of the last response from the server.This setting contains the first line of the last response from the server. The format of the line will be [HTTP version] [Result Code] [Description]. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
TransferredData: The contents of the last response from the server.This configuration setting contains the contents of the last response from the server. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
TransferredDataLimit: The maximum number of incoming bytes to be stored by the class.If TransferredDataLimit is set to 0 (default), no limits are imposed. Otherwise, this reflects the maximum number of incoming bytes that can be stored by the class. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
TransferredHeaders: The full set of headers as received from the server.This configuration setting returns the complete set of raw headers as received from the server. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
TransferredRequest:
The full request as sent by the client.This configuration setting returns the full request as sent by the client. For performance reasons, the request is not normally saved. Set this configuration setting to ON before making a request to enable it. Following are examples of this request:
.NET
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UseChunkedEncoding:
Enables or Disables HTTP chunked encoding for transfers.If UseChunkedEncoding is set to True, the class will use HTTP-chunked encoding when posting, if possible.
HTTP-chunked encoding allows large files to be sent in chunks instead of all at once.
If set to False, the class will not use HTTP-chunked encoding. The default value is False.
Note: Some servers (such as the ASP.NET Development Server) may not support chunked encoding. |
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UseIDNs:
Whether to encode hostnames to internationalized domain names.This configuration setting specifies whether hostnames containing non-ASCII characters are encoded to internationalized domain names. When set to True, if a hostname contains non-ASCII characters, it is encoded using Punycode to an IDN (internationalized domain name).
The default value is False and the hostname will always be used exactly as specified. Note: The CodePage setting must be set to a value capable of interpreting the specified host name. For instance, to specify UTF-8, set CodePage to 65001. |
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UserAgent:
Information about the user agent (browser).This is the value supplied in the HTTP User-Agent header. The default
setting is "IPWorks HTTP Component - www.nsoftware.com".
Override the default with the name and version of your software. |
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TCPClient Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ConnectionTimeout: Sets a separate timeout value for establishing a connection.When set, this configuration setting allows you to specify a different timeout value for establishing a connection. Otherwise, the class will use Timeout for establishing a connection and transmitting/receiving data. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
FirewallAutoDetect: Tells the class whether or not to automatically detect and use firewall system settings, if available.This configuration setting is provided for use by classs that do not directly expose Firewall properties. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
FirewallHost:
Name or IP address of firewall (optional).If a FirewallHost is given, requested connections will be authenticated through the specified firewall
when connecting.
If the FirewallHost setting is set to a Domain Name, a DNS request is initiated. Upon successful termination of the request, the FirewallHost setting is set to the corresponding address. If the search is not successful, an error is returned. Note: This setting is provided for use by classs that do not directly expose Firewall properties. |
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FirewallPassword:
Password to be used if authentication is to be used when connecting through the firewall.If FirewallHost is specified, the FirewallUser and FirewallPassword settings
are used to connect and authenticate to the given firewall. If the authentication fails, the class .
Note: This setting is provided for use by classs that do not directly expose Firewall properties. |
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FirewallPort:
The TCP port for the FirewallHost;.The FirewallPort is set automatically when FirewallType is set to a valid value.
Note: This configuration setting is provided for use by classs that do not directly expose Firewall properties. |
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FirewallType:
Determines the type of firewall to connect through.The appropriate values are as follows:
Note: This setting is provided for use by classs that do not directly expose Firewall properties. |
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FirewallUser:
A user name if authentication is to be used connecting through a firewall.If the FirewallHost is specified, the FirewallUser and FirewallPassword
settings are used to connect and authenticate to the Firewall. If the authentication fails, the class .
Note: This setting is provided for use by classs that do not directly expose Firewall properties. |
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KeepAliveInterval:
The retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received.When set, TCPKeepAlive will automatically be set to True.
A TCP keep-alive packet will be sent after a period of inactivity as
defined by KeepAliveTime. If no acknowledgment is received from the remote host, the keep-alive packet
will be sent again. This configuration setting specifies the interval at which the successive keep-alive packets are sent in milliseconds.
This system default if this value is not specified here is 1 second.
Note: This value is not applicable in macOS. |
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KeepAliveTime: The inactivity time in milliseconds before a TCP keep-alive packet is sent.When set, TCPKeepAlive will automatically be set to True. By default, the operating system will determine the time a connection is idle before a Transmission Control Protocol (TCP) keep-alive packet is sent. This system default if this value is not specified here is 2 hours. In many cases, a shorter interval is more useful. Set this value to the desired interval in milliseconds. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Linger:
When set to True, connections are terminated gracefully.This property controls how a connection is closed. The default is True.
In the case that Linger is True (default), two scenarios determine how long the connection will linger. In the first, if LingerTime is 0 (default), the system will attempt to send pending data for a connection until the default IP timeout expires. In the second scenario, if LingerTime is a positive value, the system will attempt to send pending data until the specified LingerTime is reached. If this attempt fails, then the system will reset the connection. The default behavior (which is also the default mode for stream sockets) might result in a long delay in closing the connection. Although the class returns control immediately, the system could hold system resources until all pending data are sent (even after your application closes). Setting this property to False forces an immediate disconnection. If you know that the other side has received all the data you sent (e.g., by a client acknowledgment), setting this property to False might be the appropriate course of action. |
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LingerTime: Time in seconds to have the connection linger. LingerTime is the time, in seconds, the socket connection will linger. This value is 0 by default, which means it will use the default IP timeout. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LocalHost:
The name of the local host through which connections are initiated or accepted.
The LocalHost setting contains the name of the local host
as obtained by the gethostname() system call, or if the
user has assigned an IP address, the value of that address.
In multi-homed hosts (machines with more than one IP interface) setting LocalHost to the value of an interface will make the class initiate connections (or accept in the case of server classs) only through that interface. If the class is connected, the LocalHost setting shows the IP address of the interface through which the connection is made in internet dotted format (aaa.bbb.ccc.ddd). In most cases, this is the address of the local host, except for multi-homed hosts (machines with more than one IP interface). |
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LocalPort:
The port in the local host where the class binds.
This must be set before a connection is
attempted. It instructs the class to bind to a specific
port (or communication endpoint) in the local machine.
Setting this to 0 (default) enables the system to choose a port at random. The chosen port will be shown by LocalPort after the connection is established. LocalPort cannot be changed once a connection is made. Any attempt to set this when a connection is active will generate an error. This; setting is useful when trying to connect to services that require a trusted port in the client side. An example is the remote shell (rsh) service in UNIX systems. |
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MaxLineLength:
The maximum amount of data to accumulate when no EOL is found.MaxLineLength is the size of an internal buffer, which holds received data while waiting for an EOL
string.
If an EOL string is found in the input stream before MaxLineLength bytes are received, the DataIn event is fired with the EOL parameter set to True, and the buffer is reset. If no EOL is found, and MaxLineLength bytes are accumulated in the buffer, the DataIn event is fired with the EOL parameter set to False, and the buffer is reset. The minimum value for MaxLineLength is 256 bytes. The default value is 2048 bytes. |
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MaxTransferRate: The transfer rate limit in bytes per second.This configuration setting can be used to throttle outbound TCP traffic. Set this to the number of bytes to be sent per second. By default, this is not set and there is no limit. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ProxyExceptionsList:
A semicolon separated list of hosts and IPs to bypass when using a proxy.This configuration setting optionally specifies a semicolon-separated list of hostnames or IP addresses to bypass when a proxy is in use.
When requests are made to hosts specified in this property, the proxy will not be used. For instance:
www.google.com;www.nsoftware.com |
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TCPKeepAlive:
Determines whether or not the keep alive socket option is enabled.If set to True, the socket's keep-alive option is enabled and keep-alive packets will be sent periodically
to maintain the connection. Set KeepAliveTime and KeepAliveInterval to
configure the timing of the keep-alive packets.
Note: This value is not applicable in Java. |
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TcpNoDelay:
Whether or not to delay when sending packets.
When true, the socket will send all data that is ready to send at once. When
false, the socket will send smaller buffered packets of data at small intervals.
This is known as the Nagle algorithm.
By default, this config is set to false. |
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UseIPv6:
Whether to use IPv6.When set to 0 (default), the class will use IPv4 exclusively.
When set to 1, the class will use IPv6 exclusively. To instruct the class to prefer IPv6 addresses, but use IPv4 if IPv6 is not supported on the system, this setting should be set to 2. The default value is 0.
Possible values are:
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SSL Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LogSSLPackets:
Controls whether SSL packets are logged when using the internal security API.When SSLProvider is set to Internal, this setting controls whether SSL packets should be logged. By default, this setting is False, as it is only useful for debugging purposes.
When enabled, SSL packet logs are output using the SSLStatus event, which will fire each time an SSL packet is sent or received. Enabling this setting has no effect if SSLProvider is set to Platform. |
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OpenSSLCADir:
The path to a directory containing CA certificates.This functionality is available only when the provider is OpenSSL.
The path set by this property should point to a directory containing CA certificates in PEM format. The files each contain one CA certificate. The files are looked up by the CA subject name hash value, which must hence be available. If more than one CA certificate with the same name hash value exist, the extension must be different (e.g. 9d66eef0.0, 9d66eef0.1 etc). OpenSSL recommends to use the c_rehash utility to create the necessary links. Please refer to the OpenSSL man page SSL_CTX_load_verify_locations(3) for details. |
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OpenSSLCAFile:
Name of the file containing the list of CA's trusted by your application.This functionality is available only when the provider is OpenSSL.
The file set by this property should contain a list of CA certificates in PEM format. The file can contain several CA certificates identified by -----BEGIN CERTIFICATE----- ... (CA certificate in base64 encoding) ... -----END CERTIFICATE----- sequences. Before, between, and after the certificates text is allowed which can be used e.g. for descriptions of the certificates. Please refer to the OpenSSL man page SSL_CTX_load_verify_locations(3) for details. |
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OpenSSLCipherList:
A string that controls the ciphers to be used by SSL.This functionality is available only when the provider is OpenSSL.
The format of this string is described in the OpenSSL man page ciphers(1) section "CIPHER LIST FORMAT". Please refer to it for details. The default string "DEFAULT" is determined at compile time and is normally equivalent to "ALL:!ADH:RC4+RSA:+SSLv2:@STRENGTH". |
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OpenSSLPrngSeedData:
The data to seed the pseudo random number generator (PRNG).This functionality is available only when the provider is OpenSSL.
By default OpenSSL uses the device file "/dev/urandom" to seed the PRNG and setting OpenSSLPrngSeedData is not required. If set, the string specified is used to seed the PRNG. |
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ReuseSSLSession:
Determines if the SSL session is reused.
If set to true, the class will reuse the context if and only if the following criteria are met:
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SSLAcceptAnyServerCert: Whether to trust any certificate presented by the server.This setting disables all certificate verification when set to True. This configuration setting must be enabled to trust a self-signed certificate. It is not recommended to enable this configuration setting in a production environment. The default value is False. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SSLCACerts:
A newline separated list of CA certificate to use during SSL client authentication.This setting specifies one or more CA certificates to be included in the request when performing
SSL client authentication. Some servers require the entire chain, including CA certificates, to be presented
when performing SSL client authentication. The value of this setting is a newline (CrLf) separated list of certificates. For instance:
-----BEGIN CERTIFICATE----- MIIEKzCCAxOgAwIBAgIRANTET4LIkxdH6P+CFIiHvTowDQYJKoZIhvcNAQELBQAw ... eWHV5OW1K53o/atv59sOiW5K3crjFhsBOd5Q+cJJnU+SWinPKtANXMht+EDvYY2w F0I1XhM+pKj7FjDr+XNj -----END CERTIFICATE----- \r \n -----BEGIN CERTIFICATE----- MIIEFjCCAv6gAwIBAgIQetu1SMxpnENAnnOz1P+PtTANBgkqhkiG9w0BAQUFADBp .. d8q23djXZbVYiIfE9ebr4g3152BlVCHZ2GyPdjhIuLeH21VbT/dyEHHA -----END CERTIFICATE----- |
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SSLCipherStrength:
The minimum cipher strength used for bulk encryption.
This minimum cipher strength largely dependent on the security modules installed
on the system. If the cipher strength specified is not supported,
an error will be returned when connections are initiated.
Please note that this setting contains the minimum cipher strength requested from the security library. The actual cipher strength used for the connection is shown by the SSLStatus event. Use this setting with caution. Requesting a lower cipher strength than necessary could potentially cause serious security vulnerabilities in your application. When the provider is OpenSSL, SSLCipherStrength is currently not supported. This functionality is instead made available through the OpenSSLCipherList config setting. |
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SSLEnabledCipherSuites:
The cipher suite to be used in an SSL negotiation.The enabled cipher suites to be used in SSL negotiation.
By default, the enabled cipher suites will include all available ciphers ("*"). The special value "*" means that the class will pick all of the supported cipher suites. If SSLEnabledCipherSuites is set to any other value, only the specified cipher suites will be considered. Multiple cipher suites are separated by semicolons. Example values when SSLProvider is set to Platform:
obj.config("SSLEnabledCipherSuites=*");
obj.config("SSLEnabledCipherSuites=TLS_DHE_DSS_WITH_AES_128_CBC_SHA");
obj.config("SSLEnabledCipherSuites=TLS_DHE_DSS_WITH_AES_128_CBC_SHA;TLS_DH_ANON_WITH_AES_128_CBC_SHA");
Possible values when SSLProvider is set to Internal include:
When TLS 1.3 is negotiated (see SSLEnabledProtocols) only the following cipher suites are supported:
SSLEnabledCipherSuites is used together with SSLCipherStrength. |
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SSLEnabledProtocols:
Used to enable/disable the supported security protocols.Used to enable/disable the supported security protocols.
Not all supported protocols are enabled by default (the value of this setting is 4032). If you want more granular control over the enabled protocols, you can set this property to the binary 'OR' of one or more of the following values:
SSLEnabledProtocols - TLS 1.3 Notes In the JavaScript edition the platform implementation is used when TLS 1.3 is enabled and SSLEnabledCipherSuites and other similar SSL configuration settings are not supported. |
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SSLEnableRenegotiation:
Whether the renegotiation_info SSL extension is supported.This setting specifies whether the renegotiation_info SSL extension will be used in the request when using the internal security API.
This setting is true by default, but can be set to false to disable the extension.
This setting is only applicable when SSLProvider is set to Internal. |
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SSLIncludeCertChain:
Whether the entire certificate chain is included in the SSLServerAuthentication event.This setting specifies whether the Encoded parameter of the SSLServerAuthentication event contains
the full certificate chain. By default this value is False and only the leaf certificate will be present
in the Encoded parameter of the SSLServerAuthentication event.
If set to True all certificates returned by the server will be present in the Encoded parameter of the SSLServerAuthentication event. This includes the leaf certificate, any intermediate certificate, and the root certificate. |
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SSLKeyLogFile:
The location of a file where per-session secrets are written for debugging purposes.This setting optionally specifies the full path to a file on disk where per-session secrets are stored for debugging purposes.
When set, the class will save the session secrets in the same format as the SSLKEYLOGFILE environment variable functionality used by most major browsers and tools such as Chrome, Firefox, and cURL. This file can then be used in tools such as Wireshark to decrypt TLS traffice for debugging purposes. When writing to this file the class will only append, it will not overwrite previous values. Note: This setting is only applicable when SSLProvider is set to Internal. |
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SSLNegotiatedCipher:
Returns the negotiated ciphersuite.Returns the ciphersuite negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedCipherStrength:
Returns the negotiated ciphersuite strength.Returns the strength of the ciphersuite negotiated during the SSL handshake.
Note: For server components (e.g.TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedCipherSuite:
Returns the negotiated ciphersuite.Returns the ciphersuite negotiated during the SSL handshake represented as a single string.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedKeyExchange:
Returns the negotiated key exchange algorithm.Returns the key exchange algorithm negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedKeyExchangeStrength:
Returns the negotiated key exchange algorithm strength.Returns the strenghth of the key exchange algorithm negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLNegotiatedVersion:
Returns the negotiated protocol version.Returns the protocol version negotiated during the SSL handshake.
Note: For server components (e.g. TCPServer) this is a per-connection setting accessed by passing the ConnectionId. For example:
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SSLSecurityFlags:
Flags that control certificate verification.The following flags are defined (specified in hexadecimal
notation). They can be or-ed together to exclude multiple
conditions:
This functionality is currently not available when the provider is OpenSSL. |
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SSLServerCACerts:
A newline separated list of CA certificate to use during SSL server certificate validation.This setting optionally specifies one or more CA certificates to be used when verifying the server certificate. When verifying the server's certificate the certificates trusted by the system will be used as part of the verification process. If the server's CA certificates are not installed to the trusted system store, they may be specified here so they are included when performing the verification process. This setting should only be set if the server's CA certificates are not already trusted on the system and cannot be installed to the trusted system store.
The value of this setting is a newline (CrLf) separated list of certificates. For instance: -----BEGIN CERTIFICATE----- MIIEKzCCAxOgAwIBAgIRANTET4LIkxdH6P+CFIiHvTowDQYJKoZIhvcNAQELBQAw ... eWHV5OW1K53o/atv59sOiW5K3crjFhsBOd5Q+cJJnU+SWinPKtANXMht+EDvYY2w F0I1XhM+pKj7FjDr+XNj -----END CERTIFICATE----- \r \n -----BEGIN CERTIFICATE----- MIIEFjCCAv6gAwIBAgIQetu1SMxpnENAnnOz1P+PtTANBgkqhkiG9w0BAQUFADBp .. d8q23djXZbVYiIfE9ebr4g3152BlVCHZ2GyPdjhIuLeH21VbT/dyEHHA -----END CERTIFICATE----- |
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TLS12SignatureAlgorithms:
Defines the allowed TLS 1.2 signature algorithms when SSLProvider is set to Internal.This setting specifies the allowed server certificate signature algorithms when SSLProvider is set to Internal and SSLEnabledProtocols is set to allow TLS 1.2.
When specified the class will verify that the server certificate signature algorithm is among the values specified in this setting. If the server certificate signature algorithm is unsupported the class . The format of this value is a comma separated list of hash-signature combinations. For instance:
In order to not restrict the server's certificate signature algorithm, specify an empty string as the value for this setting, which will cause the signature_algorithms TLS 1.2 extension to not be sent. |
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TLS12SupportedGroups:
The supported groups for ECC.This setting specifies a comma separated list of named groups used in TLS 1.2 for ECC.
The default value is ecdhe_secp256r1,ecdhe_secp384r1,ecdhe_secp521r1. When using TLS 1.2 and SSLProvider is set to Internal, the values refer to the supported groups for ECC. The following values are supported:
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TLS13KeyShareGroups:
The groups for which to pregenerate key shares.This setting specifies a comma separated list of named groups used in TLS 1.3 for key exchange.
The groups specified here will have key share data pregenerated locally before establishing a connection.
This can prevent an additional round trip during the handshake if the group is supported by the server.
The default value is set to balance common supported groups and the computational resources required to generate key shares. As a result only some groups are included by default in this setting. Note: All supported groups can always be used during the handshake even if not listed here, but if a group is used which is not present in this list it will incur an additional round trip and time to generate the key share for that group. In most cases this setting does not need to be modified. This should only be modified if there is a specific reason to do so. The default value is ecdhe_x25519,ecdhe_secp256r1,ecdhe_secp384r1,ffdhe_2048,ffdhe_3072 The values are ordered from most preferred to least preferred. The following values are supported:
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TLS13SignatureAlgorithms:
The allowed certificate signature algorithms.This setting holds a comma separated list of allowed signature algorithms. Possible values are:
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TLS13SupportedGroups:
The supported groups for (EC)DHE key exchange.This setting specifies a comma separated list of named groups used in TLS 1.3 for key exchange.
This setting should only be modified if there is a specific reason to do so.
The default value is ecdhe_x25519,ecdhe_x448,ecdhe_secp256r1,ecdhe_secp384r1,ecdhe_secp521r1,ffdhe_2048,ffdhe_3072,ffdhe_4096,ffdhe_6144,ffdhe_8192 The values are ordered from most preferred to least preferred. The following values are supported:
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Socket Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
AbsoluteTimeout:
Determines whether timeouts are inactivity timeouts or absolute timeouts.If AbsoluteTimeout is set to True, any method which does not complete within Timeout seconds
will be aborted. By default, AbsoluteTimeout is False, and the timeout is an inactivity timeout.
Note: This option is not valid for UDP ports. |
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FirewallData: Used to send extra data to the firewall.When the firewall is a tunneling proxy, use this property to send custom (additional) headers to the firewall (e.g. headers for custom authentication schemes). | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
InBufferSize:
The size in bytes of the incoming queue of the socket.
This is the size of an internal queue in the TCP/IP stack.
You can increase or decrease its size depending on the amount
of data that you will be receiving. Increasing the value of the
InBufferSize setting can provide significant improvements in
performance in some cases.
Some TCP/IP implementations do not support variable buffer sizes. If that is the case, when the class is activated the InBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small. |
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OutBufferSize:
The size in bytes of the outgoing queue of the socket.This is the size of an internal queue in the TCP/IP stack.
You can increase or decrease its size depending on the amount
of data that you will be sending. Increasing the value of the
OutBufferSize setting can provide significant improvements in
performance in some cases.
Some TCP/IP implementations do not support variable buffer sizes. If that is the case, when the class is activated the OutBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small. |
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Base Config Settings | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
BuildInfo: Information about the product's build.When queried, this setting will return a string containing information about the product's build. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
CodePage:
The system code page used for Unicode to Multibyte translations.The default code page is Unicode UTF-8 (65001).
The following is a list of valid code page identifiers:
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LicenseInfo:
Information about the current license.When queried, this setting will return a string containing information about the license this instance of a class is using. It will return the following information:
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MaskSensitive:
Whether sensitive data is masked in log messages.In certain circumstances it may be beneficial to mask sensitive data, like passwords, in log messages. Set this to true to mask sensitive data. The default is false.
This setting only works on these classes: AS3Receiver, AS3Sender, Atom, Client(3DS), FTP, FTPServer, IMAP, OFTPClient, SSHClient, SCP, Server(3DS), Sexec, SFTP, SFTPServer, SSHServer, TCPClient, TCPServer. |
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UseInternalSecurityAPI:
Tells the class whether or not to use the system security libraries or an internal implementation.
When set to false, the class will use the system security libraries by default to perform cryptographic functions where applicable.
Setting this setting to true tells the class to use the internal implementation instead of using the system security libraries. This setting is set to false by default on all platforms. |
Trappable Errors (class ipworks.grpc)
HTTP Errors
118 Firewall Error. Error description contains detailed message. | |
143 Busy executing current method. | |
151 HTTP protocol error. The error message has the server response. | |
152 No server specified in URL | |
153 Specified URLScheme is invalid. | |
155 Range operation is not supported by server. | |
156 Invalid cookie index (out of range). | |
301 Interrupted. | |
302 Can't open AttachedFile. |
TCPClient Errors
100 You cannot change the RemotePort at this time. A connection is in progress. | |
101 You cannot change the RemoteHost (Server) at this time. A connection is in progress. | |
102 The RemoteHost address is invalid (0.0.0.0). | |
104 Already connected. If you want to reconnect, close the current connection first. | |
106 You cannot change the LocalPort at this time. A connection is in progress. | |
107 You cannot change the LocalHost at this time. A connection is in progress. | |
112 You cannot change MaxLineLength at this time. A connection is in progress. | |
116 RemotePort cannot be zero. Please specify a valid service port number. | |
117 You cannot change the UseConnection option while the class is active. | |
135 Operation would block. | |
201 Timeout. | |
211 Action impossible in control's present state. | |
212 Action impossible while not connected. | |
213 Action impossible while listening. | |
301 Timeout. | |
302 Could not open file. | |
434 Unable to convert string to selected CodePage. | |
1105 Already connecting. If you want to reconnect, close the current connection first. | |
1117 You need to connect first. | |
1119 You cannot change the LocalHost at this time. A connection is in progress. | |
1120 Connection dropped by remote host. |
SSL Errors
270 Cannot load specified security library. | |
271 Cannot open certificate store. | |
272 Cannot find specified certificate. | |
273 Cannot acquire security credentials. | |
274 Cannot find certificate chain. | |
275 Cannot verify certificate chain. | |
276 Error during handshake. | |
280 Error verifying certificate. | |
281 Could not find client certificate. | |
282 Could not find server certificate. | |
283 Error encrypting data. | |
284 Error decrypting data. |
TCP/IP Errors
10004 [10004] Interrupted system call. | |
10009 [10009] Bad file number. | |
10013 [10013] Access denied. | |
10014 [10014] Bad address. | |
10022 [10022] Invalid argument. | |
10024 [10024] Too many open files. | |
10035 [10035] Operation would block. | |
10036 [10036] Operation now in progress. | |
10037 [10037] Operation already in progress. | |
10038 [10038] Socket operation on non-socket. | |
10039 [10039] Destination address required. | |
10040 [10040] Message too long. | |
10041 [10041] Protocol wrong type for socket. | |
10042 [10042] Bad protocol option. | |
10043 [10043] Protocol not supported. | |
10044 [10044] Socket type not supported. | |
10045 [10045] Operation not supported on socket. | |
10046 [10046] Protocol family not supported. | |
10047 [10047] Address family not supported by protocol family. | |
10048 [10048] Address already in use. | |
10049 [10049] Can't assign requested address. | |
10050 [10050] Network is down. | |
10051 [10051] Network is unreachable. | |
10052 [10052] Net dropped connection or reset. | |
10053 [10053] Software caused connection abort. | |
10054 [10054] Connection reset by peer. | |
10055 [10055] No buffer space available. | |
10056 [10056] Socket is already connected. | |
10057 [10057] Socket is not connected. | |
10058 [10058] Can't send after socket shutdown. | |
10059 [10059] Too many references, can't splice. | |
10060 [10060] Connection timed out. | |
10061 [10061] Connection refused. | |
10062 [10062] Too many levels of symbolic links. | |
10063 [10063] File name too long. | |
10064 [10064] Host is down. | |
10065 [10065] No route to host. | |
10066 [10066] Directory not empty | |
10067 [10067] Too many processes. | |
10068 [10068] Too many users. | |
10069 [10069] Disc Quota Exceeded. | |
10070 [10070] Stale NFS file handle. | |
10071 [10071] Too many levels of remote in path. | |
10091 [10091] Network subsystem is unavailable. | |
10092 [10092] WINSOCK DLL Version out of range. | |
10093 [10093] Winsock not loaded yet. | |
11001 [11001] Host not found. | |
11002 [11002] Non-authoritative 'Host not found' (try again or check DNS setup). | |
11003 [11003] Non-recoverable errors: FORMERR, REFUSED, NOTIMP. | |
11004 [11004] Valid name, no data record (check DNS setup). |