| /* |
| * libjingle |
| * Copyright 2004--2005, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef TALK_BASE_ASYNCSOCKET_H__ |
| #define TALK_BASE_ASYNCSOCKET_H__ |
| |
| #include "talk/base/sigslot.h" |
| #include "talk/base/socket.h" |
| |
| namespace talk_base { |
| |
| // Provides the ability to perform socket I/O asynchronously. |
| class AsyncSocket : public Socket, public sigslot::has_slots<> { |
| public: |
| virtual ~AsyncSocket() {} |
| |
| sigslot::signal1<AsyncSocket*> SignalReadEvent; // ready to read |
| sigslot::signal1<AsyncSocket*> SignalWriteEvent; // ready to write |
| sigslot::signal1<AsyncSocket*> SignalConnectEvent; // connected |
| sigslot::signal2<AsyncSocket*,int> SignalCloseEvent; // closed |
| // TODO: error |
| }; |
| |
| class AsyncSocketAdapter : public AsyncSocket { |
| public: |
| AsyncSocketAdapter(Socket * socket) : socket_(socket) { |
| } |
| AsyncSocketAdapter(AsyncSocket * socket) : socket_(socket) { |
| socket->SignalConnectEvent.connect(this, &AsyncSocketAdapter::OnConnectEvent); |
| socket->SignalReadEvent.connect(this, &AsyncSocketAdapter::OnReadEvent); |
| socket->SignalWriteEvent.connect(this, &AsyncSocketAdapter::OnWriteEvent); |
| socket->SignalCloseEvent.connect(this, &AsyncSocketAdapter::OnCloseEvent); |
| } |
| virtual ~AsyncSocketAdapter() { delete socket_; } |
| |
| virtual SocketAddress GetLocalAddress() const { return socket_->GetLocalAddress(); } |
| virtual SocketAddress GetRemoteAddress() const { return socket_->GetRemoteAddress(); } |
| |
| virtual int Bind(const SocketAddress& addr) { return socket_->Bind(addr); } |
| virtual int Connect(const SocketAddress& addr) {return socket_->Connect(addr); } |
| virtual int Send(const void *pv, size_t cb) { return socket_->Send(pv, cb); } |
| virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr) { return socket_->SendTo(pv, cb, addr); } |
| virtual int Recv(void *pv, size_t cb) { return socket_->Recv(pv, cb); } |
| virtual int RecvFrom(void *pv, size_t cb, SocketAddress *paddr) { return socket_->RecvFrom(pv, cb, paddr); } |
| virtual int Listen(int backlog) { return socket_->Listen(backlog); } |
| virtual Socket *Accept(SocketAddress *paddr) { return socket_->Accept(paddr); } |
| virtual int Close() { return socket_->Close(); } |
| virtual int GetError() const { return socket_->GetError(); } |
| virtual void SetError(int error) { return socket_->SetError(error); } |
| |
| virtual ConnState GetState() const { return socket_->GetState(); } |
| |
| virtual int EstimateMTU(uint16* mtu) { return socket_->EstimateMTU(mtu); } |
| virtual int SetOption(Option opt, int value) { return socket_->SetOption(opt, value); } |
| |
| protected: |
| virtual void OnConnectEvent(AsyncSocket * socket) { SignalConnectEvent(this); } |
| virtual void OnReadEvent(AsyncSocket * socket) { SignalReadEvent(this); } |
| virtual void OnWriteEvent(AsyncSocket * socket) { SignalWriteEvent(this); } |
| virtual void OnCloseEvent(AsyncSocket * socket, int err) { SignalCloseEvent(this, err); } |
| |
| Socket * socket_; |
| }; |
| |
| } // namespace talk_base |
| |
| #endif // TALK_BASE_ASYNCSOCKET_H__ |