Pascal (Lazarus/Delphi)

Example: Socket.AcceptNext method

Demonstrates how to call the AcceptNext method. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Socket;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  listenSocket: TSocket;
  connectedSocket: TSocket;
  port: Integer;
  backlog: Integer;
  maxWaitMs: Integer;

begin
  success := False;

  listenSocket := TSocket.Create;
  connectedSocket := TSocket.Create;

  port := 5555;
  backlog := 25;
  success := listenSocket.BindAndListen(port,backlog);
  if (success = False) then
    begin
      WriteLn(listenSocket.LastErrorText);
      Exit;
    end;

  //  Accept next incoming connection
  maxWaitMs := 200000;
  success := listenSocket.AcceptNext(maxWaitMs,connectedSocket);
  if (success = False) then
    begin
      WriteLn(listenSocket.LastErrorText);
      Exit;
    end;

  //  ...
  //  ...

  maxWaitMs := 20000;
  connectedSocket.Close();


  listenSocket.Free;
  connectedSocket.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.