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Open topic with navigation CAPL Functions » TCP/IP API » IpGetLastSocketError

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IpGetLastSocketError

Valid for: CANoe DE • CANoe4SW DE

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Function Syntax

long IpGetLastSocketError( dword socket);

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Method Syntax

Method Syntax 
socket.GetLastSocketError();

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Description

The function returns the Winsock 2 error code of the last operation that failed on the specified socket.

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Parameters

  • socket: The socket handle.

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Return Values

  • WSA_INVALID_PARAMETER (87): The specified socket was invalid.
  • Any other value: The error code as provided by the Winsock 2 WSAGetLastError function.

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Example

on start
{
  const dword INVALID_SOCKET = ~0; // invalid socket constant
  dword socket = INVALID_SOCKET;   // a socket

  // just create an unspecified socket.
  socket = UdpOpen( 0, 0 );

  // produce an error e.g. using invalid parameters to UdpSendTo
  if (UdpSendTo(socket, 0, 0, "a", 1) == -1)
  {
    writeLineEx(1, 3, "IpGetLastSocketError: %d", IpGetLastSocketError(socket));
  }

  // close the socket.
  UdpClose(socket);
}
IpGetLastError • IpGetLastSocketErrorAsString