Ipdaemon Configuration
The component 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 component, access to these internal properties is provided through the Config method.IPDaemon Configuration Settings
| BindExclusively: Whether or not the component considers a local port reserved for exclusive use. If this is true (default), the component will bind to the local port with the ExclusiveAddressUse option set, meaning that nothing else can bind to the same port. Also the component will not be able to bind to local ports that are already in use by some other instance and attempts to do so will result in failure. | |
| 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 component is activated the InBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small. InBufferSize is shared among incoming connections. When the property is set, the corresponding value is set for incoming connections as they are accepted. Existing connections are not modified. | |
| MaxConnections: The maximum number of connections available. The maximum number of connections available. This property must be set before Listening is set to True, and once set, it can no longer be changed for the current instance of the component. The maximum value for this setting is 100,000 connections. Use this setting with caution. Extremely large values may impact performance. | |
| 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 component is activated the OutBufferSize reverts to its defined size. The same happens if you attempt to make it too large or too small. OutBufferSize is shared among incoming connections. When the property is set, the corresponding value is set for incoming connections as they are accepted. Existing connections are not modified. | |
| KeepAliveTime: The inactivity time in milliseconds before a TCP keep-alive packet is sent.By default the operating system will determine the
time a connection is idle before a 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.
This setting is applicable to all connections.
Note: This value is not applicable in Java. | |
| KeepAliveInterval: The retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received.A TCP keep-alive packet will be sent after a period of inactivity as
defined by KeepAliveTime. If no acknowledgement is received from the remote host the keep-alive packet
will be re-sent. This 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.
This setting is applicable to all connections.
Note: This value is not applicable in Java or MAC. | |
| RecordLength[ConnectionId]: The length of received data records.If set to a positive value, this setting defines the length of data records to be received. The component will accumulate data
until RecordLength is reached and only then fire the DataIn event with data of length RecordLength.
This allows data to be received as records of known length. This value can be changed at any time, including within the DataIn event.
The default value is 0, meaning this setting is not used. "ConnectionId" specifies the connection to which the setting applies. | |
| 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. | |
| CloseStreamAfterTransfer: If true, the component will close the upload or download stream after the transfer.This setting determines whether the input or output stream is closed after the transfer completes. When set to True (default), all streams will be closed after a transfer is completed. In order to keep streams open after the transfer of data, set this to False. the default value is True. |
Base Configuration Settings
| GUIAvailable: Tells the component whether or not a message loop is available for processing events.
In a GUI-based application, long-running blocking operations may cause the application to stop responding to input until the operation returns. The component will attempt to discover whether or not the application has a message loop and, if one is discovered, it will process events in that message loop during any such blocking operation.
In some non-GUI applications an invalid message loop may be discovered that will result in errant behavior. In these cases, setting GuiAvailable to false will ensure that the component does not attempt to process external events. | |
| UseDaemonThreads: Whether threads created by the component are daemon threads.If set to True, when the component creates a thread the thread's Daemon property will be explicitly set to True. By default this setting is False and the component will not set the Daemon property on the created thread. |