TElBaseSocketClient.OnDNSError event

TElBaseSocketClient.OnDNSError

This event reports errors in DNS resolution.

Declaration

[C#]
event TSBDNSErrorEvent OnDNSError;
delegate void TSBDNSErrorEvent(Object Sender, string Server, int ErrorCode, string ErrorMessage);

[VB.NET]
Event OnDNSError As TSBDNSErrorEvent
Delegate Sub TSBDNSErrorEvent(ByVal Sender As Object, ByVal Server As String, ByVal ErrorCode As Integer, ByVal ErrorMessage As String)

[Pascal]
property OnDNSError : TSBDNSErrorEvent;
TSBDNSErrorEvent = procedure(Sender : TObject; const Server : string; ErrorCode : Integer; const ErrorMessage : string) of object;

[C++]
    void get_OnDNSError(TSBDNSErrorEvent &pMethodOutResult, void * &pDataOutResult);
    void set_OnDNSError(TSBDNSErrorEvent pMethodValue, void * pDataValue);
    typedef void (SB_CALLBACK *TSBDNSErrorEvent)(void * _ObjectData, TObjectHandle Sender, const char * pcServer, int32_t szServer, int32_t ErrorCode, const char * pcErrorMessage, int32_t szErrorMessage);

[PHP]
    TSBDNSErrorEvent|callable|NULL get_OnDNSError()
    void set_OnDNSError(TSBDNSErrorEvent|callable|NULL $Value)
    callable TSBDNSErrorEvent(TObject $Sender, string $Server, integer $ErrorCode, string $ErrorMessage)

[Java]
    TSBDNSErrorEvent getOnDNSError();
    void setOnDNSError(TNotifyEvent Value);
    TSBDNSErrorEvent.Callback OnDNSError = new TSBDNSErrorEvent.Callback() {
        public void TSBDNSErrorEventCallback(TObject Sender) {
            //...
        }
    }

Parameters

Server - the server (host) to be resolved.
ErrorCode - contains DNS error code.
ErrorMessage - contains the error message.
pcServer - the server (host) to be resolved.
szServer - the length of pcServer.
pcErrorMessage - contains the error message.
szErrorMessage - the length of pcErrorMessage.

Values:

Definition		Value
SB_DNS_OUT_OF_BUFFER		42800 (0xA730)
SB_DNS_INVALID_MESSAGE_SIZE		42801 (0xA731)
SB_DNS_INVALID_RESOURCE_TYPE		42802 (0xA732)
SB_DNS_INVALID_OPERATION_CODE		42803 (0xA733)
SB_DNS_INVALID_RESPONSE_CODE		42804 (0xA734)
SB_DNS_UNKNOWN_QUESTION_CLASS		42805 (0xA735)
SB_DNS_INVALID_IPv4_DATA_SIZE		42806 (0xA736)
SB_DNS_INVALID_IPv6_DATA_SIZE		42807 (0xA737)
SB_DNS_INVALID_INDEX		42808 (0xA738)
SB_DNS_INVALID_WKS_DATA_SIZE		42809 (0xA739)
SB_DNS_INVALID_PUBLIC_KEY_DATA_SIZE		42810 (0xA73A)
SB_DNS_INVALID_SIGNATURE_DATA_SIZE		42811 (0xA73B)
SB_DNS_INVALID_DELEGATION_SIGNER_DATA_SIZE		42812 (0xA73C)
SB_DNS_INVALID_SERVICE_LOCATION_FORMAT		42813 (0xA73D)
SB_DNS_SIGNATURE_NOT_FOUND		42814 (0xA73E)
SB_DNS_NO_RESOURCE_DATA		42815 (0xA73F)
SB_DNS_INVALID_IPv4_ADDRESS		42816 (0xA740)
SB_DNS_INVALID_IPv6_ADDRESS		42817 (0xA741)
SB_DNS_ERROR_UNASSIGNED_HANDLER		42832 (0xA750)
SB_DNS_ERROR_TIMEOUT		42833 (0xA751)
SB_DNS_ERROR_SECURITY_FAILURE		42834 (0xA752)
SB_DNS_ERROR_ACTIVE_CLIENT		42835 (0xA753)
SB_DNS_ERROR_NO_CERTIFICATE_VALIDATOR		42836 (0xA754)
SB_DNS_ERROR_TLS_NOT_SUPPORTED		42837 (0xA755)
SB_DNS_ERROR_CANNOT_VALIDATE_TLS_CERTIFICATE		42838 (0xA756)

Description

This event is fired if an error occurs during DNS resolution.