aebb1ade9d
> Revert 5367 "Update talk to 59410372." > > > Update talk to 59410372. > > > > R=jiayl@webrtc.org, wu@webrtc.org > > > > Review URL: https://webrtc-codereview.appspot.com/6929004 > > TBR=mallinath@webrtc.org > > Review URL: https://webrtc-codereview.appspot.com/6999004 TBR=henrika@webrtc.org Review URL: https://webrtc-codereview.appspot.com/7109004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5381 4adac7df-926f-26a2-2b94-8c16560cd09d
144 lines
4.9 KiB
C++
144 lines
4.9 KiB
C++
/*
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* libjingle
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* Copyright 2004--2010, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_ASYNCSOCKET_H_
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#define TALK_BASE_ASYNCSOCKET_H_
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#ifndef __native_client__
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#include "talk/base/common.h"
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#include "talk/base/sigslot.h"
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#include "talk/base/socket.h"
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namespace talk_base {
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// TODO: Remove Socket and rename AsyncSocket to Socket.
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// Provides the ability to perform socket I/O asynchronously.
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class AsyncSocket : public Socket {
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public:
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AsyncSocket();
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virtual ~AsyncSocket();
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virtual AsyncSocket* Accept(SocketAddress* paddr) = 0;
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// SignalReadEvent and SignalWriteEvent use multi_threaded_local to allow
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// access concurrently from different thread.
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// For example SignalReadEvent::connect will be called in AsyncUDPSocket ctor
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// but at the same time the SocketDispatcher maybe signaling the read event.
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// ready to read
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sigslot::signal1<AsyncSocket*,
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sigslot::multi_threaded_local> SignalReadEvent;
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// ready to write
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sigslot::signal1<AsyncSocket*,
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sigslot::multi_threaded_local> SignalWriteEvent;
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sigslot::signal1<AsyncSocket*> SignalConnectEvent; // connected
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sigslot::signal2<AsyncSocket*, int> SignalCloseEvent; // closed
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};
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class AsyncSocketAdapter : public AsyncSocket, public sigslot::has_slots<> {
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public:
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// The adapted socket may explicitly be NULL, and later assigned using Attach.
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// However, subclasses which support detached mode must override any methods
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// that will be called during the detached period (usually GetState()), to
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// avoid dereferencing a null pointer.
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explicit AsyncSocketAdapter(AsyncSocket* socket);
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virtual ~AsyncSocketAdapter();
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void Attach(AsyncSocket* socket);
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virtual SocketAddress GetLocalAddress() const {
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return socket_->GetLocalAddress();
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}
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virtual SocketAddress GetRemoteAddress() const {
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return socket_->GetRemoteAddress();
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}
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virtual int Bind(const SocketAddress& addr) {
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return socket_->Bind(addr);
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}
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virtual int Connect(const SocketAddress& addr) {
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return socket_->Connect(addr);
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}
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virtual int Send(const void* pv, size_t cb) {
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return socket_->Send(pv, cb);
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}
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virtual int SendTo(const void* pv, size_t cb, const SocketAddress& addr) {
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return socket_->SendTo(pv, cb, addr);
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}
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virtual int Recv(void* pv, size_t cb) {
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return socket_->Recv(pv, cb);
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}
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virtual int RecvFrom(void* pv, size_t cb, SocketAddress* paddr) {
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return socket_->RecvFrom(pv, cb, paddr);
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}
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virtual int Listen(int backlog) {
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return socket_->Listen(backlog);
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}
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virtual AsyncSocket* Accept(SocketAddress* paddr) {
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return socket_->Accept(paddr);
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}
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virtual int Close() {
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return socket_->Close();
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}
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virtual int GetError() const {
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return socket_->GetError();
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}
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virtual void SetError(int error) {
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return socket_->SetError(error);
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}
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virtual ConnState GetState() const {
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return socket_->GetState();
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}
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virtual int EstimateMTU(uint16* mtu) {
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return socket_->EstimateMTU(mtu);
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}
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virtual int GetOption(Option opt, int* value) {
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return socket_->GetOption(opt, value);
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}
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virtual int SetOption(Option opt, int value) {
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return socket_->SetOption(opt, value);
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}
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protected:
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virtual void OnConnectEvent(AsyncSocket* socket) {
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SignalConnectEvent(this);
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}
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virtual void OnReadEvent(AsyncSocket* socket) {
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SignalReadEvent(this);
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}
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virtual void OnWriteEvent(AsyncSocket* socket) {
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SignalWriteEvent(this);
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}
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virtual void OnCloseEvent(AsyncSocket* socket, int err) {
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SignalCloseEvent(this, err);
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}
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AsyncSocket* socket_;
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};
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} // namespace talk_base
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#endif // __native_client__
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#endif // TALK_BASE_ASYNCSOCKET_H_
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