vncSockConnect.cpp
资源名称:vnc3326s.zip [点击查看]
上传用户:sbftbdw
上传日期:2007-01-03
资源大小:379k
文件大小:4k
源码类别:
远程控制编程
开发平台:
Visual C++
- // Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory
- //
- // This file is part of the VNC system.
- //
- // The VNC system is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 2 of the License, or
- // (at your option) any later version.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- // USA.
- //
- // If the source code for the VNC system is not available from the place
- // whence you received this file, check http://www.orl.co.uk/vnc or contact
- // the authors on vnc@orl.co.uk for information on obtaining it.
- // vncSockConnect.cpp
- // Implementation of the listening socket class
- #include "stdhdrs.h"
- #include "VSocket.h"
- #include "vncSockConnect.h"
- #include "vncServer.h"
- #include <omnithread.h>
- // The function for the spawned thread to run
- class vncSockConnectThread : public omni_thread
- {
- public:
- // Init routine
- virtual BOOL Init(VSocket *socket, vncServer *server);
- // Code to be executed by the thread
- virtual void *run_undetached(void * arg);
- // Fields used internally
- BOOL m_shutdown;
- protected:
- VSocket *m_socket;
- vncServer *m_server;
- };
- // Method implementations
- BOOL vncSockConnectThread::Init(VSocket *socket, vncServer *server)
- {
- // Save the server pointer
- m_server = server;
- // Save the socket pointer
- m_socket = socket;
- // Start the thread
- m_shutdown = FALSE;
- start_undetached();
- return TRUE;
- }
- // Code to be executed by the thread
- void *vncSockConnectThread::run_undetached(void * arg)
- {
- log.Print(LL_STATE, VNCLOG("started socket connection threadn"));
- // Go into a loop, listening for connections on the given socket
- while (!m_shutdown)
- {
- // Accept an incoming connection
- VSocket *new_socket = m_socket->Accept();
- if (new_socket == NULL)
- break;
- log.Print(LL_CLIENTS, VNCLOG("accepted connection from %sn"), new_socket->GetPeerName());
- // Successful accept - start the client unauthenticated
- m_server->AddClient(new_socket, FALSE);
- }
- log.Print(LL_STATE, VNCLOG("quitting socket connection threadn"));
- return NULL;
- }
- // The vncSockConnect class implementation
- vncSockConnect::vncSockConnect()
- {
- m_thread = NULL;
- }
- vncSockConnect::~vncSockConnect()
- {
- m_socket.Shutdown();
- // Join with our lovely thread
- if (m_thread != NULL)
- {
- // *** This is a hack to force the listen thread out of the accept call,
- // because Winsock accept semantics are broken
- ((vncSockConnectThread *)m_thread)->m_shutdown = TRUE;
- VSocket socket;
- socket.Create();
- socket.Bind(0);
- socket.Connect("localhost", m_port);
- socket.Close();
- void *returnval;
- m_thread->join(&returnval);
- m_thread = NULL;
- m_socket.Close();
- }
- }
- BOOL vncSockConnect::Init(vncServer *server, UINT port)
- {
- // Save the port id
- m_port = port;
- // Create the listening socket
- if (!m_socket.Create())
- return FALSE;
- // Bind it
- if (!m_socket.Bind(m_port))
- return FALSE;
- // Set it to listen
- if (!m_socket.Listen())
- return FALSE;
- // Create the new thread
- m_thread = new vncSockConnectThread;
- if (m_thread == NULL)
- return FALSE;
- // And start it running
- return ((vncSockConnectThread *)m_thread)->Init(&m_socket, server);
- }