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Delphi DLL Requires Chilkat v11.0.0+

Example: Socket.DupSocket method

See more Socket/SSL/TLS Examples

Demonstrates how to call the DupSocket method.

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Delphi DLL
var
success: Boolean;
socket: HCkSocket;
socket_for_sending: HCkSocket;
socket_for_monitor: HCkSocket;

begin
success := False;

socket := CkSocket_Create();
success := CkSocket_Connect(socket,'example.com',443,True,5000);

//  ...
//  ...

//  Duplicate the socket to share the same connection across threads.
//  In a multithreaded application, each thread should use its own socket object. For example:

//  - The main thread can use the original socket for reading.
//  - A secondary thread can use a duplicate for writing.
//  - Another thread can use a separate duplicate to monitor the connection status.

socket_for_sending := CkSocket_Create();
success := CkSocket_DupSocket(socket,socket_for_sending);
if (success = False) then
  begin
    Memo1.Lines.Add(CkSocket__lastErrorText(socket));
    Exit;
  end;

socket_for_monitor := CkSocket_Create();
success := CkSocket_DupSocket(socket,socket_for_monitor);
if (success = False) then
  begin
    Memo1.Lines.Add(CkSocket__lastErrorText(socket));
    Exit;
  end;

//  All three socket objects: socket, socket_for_sending, and socket_for_monitor share the same underlying connection.

CkSocket_Dispose(socket);
CkSocket_Dispose(socket_for_sending);
CkSocket_Dispose(socket_for_monitor);