103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
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/*
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* Copyright 2008 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// MacAsyncSocket is a kind of AsyncSocket. It only creates sockets
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// of the TCP type, and does not (yet) support listen and accept. It works
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// asynchronously, which means that users of this socket should connect to
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// the various events declared in asyncsocket.h to receive notifications about
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// this socket.
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#ifndef WEBRTC_BASE_MACASYNCSOCKET_H__
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#define WEBRTC_BASE_MACASYNCSOCKET_H__
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#include <CoreFoundation/CoreFoundation.h>
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#include "webrtc/base/asyncsocket.h"
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/base/nethelpers.h"
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namespace rtc {
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class MacBaseSocketServer;
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class MacAsyncSocket : public AsyncSocket, public sigslot::has_slots<> {
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public:
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MacAsyncSocket(MacBaseSocketServer* ss, int family);
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~MacAsyncSocket() override;
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bool valid() const { return source_ != NULL; }
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// Socket interface
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SocketAddress GetLocalAddress() const override;
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SocketAddress GetRemoteAddress() const override;
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int Bind(const SocketAddress& addr) override;
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int Connect(const SocketAddress& addr) override;
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int Send(const void* buffer, size_t length) override;
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int SendTo(const void* buffer,
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size_t length,
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const SocketAddress& addr) override;
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int Recv(void* buffer, size_t length, int64_t* timestamp) override;
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int RecvFrom(void* buffer,
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size_t length,
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SocketAddress* out_addr,
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int64_t* timestamp) override;
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int Listen(int backlog) override;
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MacAsyncSocket* Accept(SocketAddress* out_addr) override;
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int Close() override;
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int GetError() const override;
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void SetError(int error) override;
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ConnState GetState() const override;
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int EstimateMTU(uint16_t* mtu) override;
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int GetOption(Option opt, int* value) override;
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int SetOption(Option opt, int value) override;
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// For the MacBaseSocketServer to disable callbacks when process_io is false.
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void EnableCallbacks();
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void DisableCallbacks();
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protected:
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void OnResolveResult(SignalThread* thread);
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int DoConnect(const SocketAddress& addr);
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private:
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// Creates an async socket from an existing bsd socket
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MacAsyncSocket(MacBaseSocketServer* ss, int family, int native_socket);
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// Attaches the socket to the CFRunloop and sets the wrapped bsd socket
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// to async mode
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void Initialize(int family);
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// Translate the SocketAddress into a CFDataRef to pass to CF socket
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// functions. Caller must call CFRelease on the result when done.
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static CFDataRef CopyCFAddress(const SocketAddress& address);
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// Callback for the underlying CFSocketRef.
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static void MacAsyncSocketCallBack(CFSocketRef s,
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CFSocketCallBackType callbackType,
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CFDataRef address,
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const void* data,
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void* info);
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MacBaseSocketServer* ss_;
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CFSocketRef socket_;
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int native_socket_;
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CFRunLoopSourceRef source_;
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int current_callbacks_;
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bool disabled_;
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int error_;
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ConnState state_;
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AsyncResolver* resolver_;
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RTC_DISALLOW_COPY_AND_ASSIGN(MacAsyncSocket);
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_MACASYNCSOCKET_H__
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