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| 1 /* | |
| 2 * Copyright 2008 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 // MacAsyncSocket is a kind of AsyncSocket. It only creates sockets | |
| 11 // of the TCP type, and does not (yet) support listen and accept. It works | |
| 12 // asynchronously, which means that users of this socket should connect to | |
| 13 // the various events declared in asyncsocket.h to receive notifications about | |
| 14 // this socket. | |
| 15 | |
| 16 #ifndef WEBRTC_BASE_MACASYNCSOCKET_H__ | |
| 17 #define WEBRTC_BASE_MACASYNCSOCKET_H__ | |
| 18 | |
| 19 #include <CoreFoundation/CoreFoundation.h> | |
| 20 | |
| 21 #include "webrtc/base/asyncsocket.h" | |
| 22 #include "webrtc/base/constructormagic.h" | |
| 23 #include "webrtc/base/nethelpers.h" | |
| 24 | |
| 25 namespace rtc { | |
| 26 | |
| 27 class MacBaseSocketServer; | |
| 28 | |
| 29 class MacAsyncSocket : public AsyncSocket, public sigslot::has_slots<> { | |
| 30 public: | |
| 31 MacAsyncSocket(MacBaseSocketServer* ss, int family); | |
| 32 ~MacAsyncSocket() override; | |
| 33 | |
| 34 bool valid() const { return source_ != NULL; } | |
| 35 | |
| 36 // Socket interface | |
| 37 SocketAddress GetLocalAddress() const override; | |
| 38 SocketAddress GetRemoteAddress() const override; | |
| 39 int Bind(const SocketAddress& addr) override; | |
| 40 int Connect(const SocketAddress& addr) override; | |
| 41 int Send(const void* buffer, size_t length) override; | |
| 42 int SendTo(const void* buffer, | |
| 43 size_t length, | |
| 44 const SocketAddress& addr) override; | |
| 45 int Recv(void* buffer, size_t length, int64_t* timestamp) override; | |
| 46 int RecvFrom(void* buffer, | |
| 47 size_t length, | |
| 48 SocketAddress* out_addr, | |
| 49 int64_t* timestamp) override; | |
| 50 int Listen(int backlog) override; | |
| 51 MacAsyncSocket* Accept(SocketAddress* out_addr) override; | |
| 52 int Close() override; | |
| 53 int GetError() const override; | |
| 54 void SetError(int error) override; | |
| 55 ConnState GetState() const override; | |
| 56 int EstimateMTU(uint16_t* mtu) override; | |
| 57 int GetOption(Option opt, int* value) override; | |
| 58 int SetOption(Option opt, int value) override; | |
| 59 | |
| 60 // For the MacBaseSocketServer to disable callbacks when process_io is false. | |
| 61 void EnableCallbacks(); | |
| 62 void DisableCallbacks(); | |
| 63 | |
| 64 protected: | |
| 65 void OnResolveResult(SignalThread* thread); | |
| 66 int DoConnect(const SocketAddress& addr); | |
| 67 | |
| 68 private: | |
| 69 // Creates an async socket from an existing bsd socket | |
| 70 MacAsyncSocket(MacBaseSocketServer* ss, int family, int native_socket); | |
| 71 | |
| 72 // Attaches the socket to the CFRunloop and sets the wrapped bsd socket | |
| 73 // to async mode | |
| 74 void Initialize(int family); | |
| 75 | |
| 76 // Translate the SocketAddress into a CFDataRef to pass to CF socket | |
| 77 // functions. Caller must call CFRelease on the result when done. | |
| 78 static CFDataRef CopyCFAddress(const SocketAddress& address); | |
| 79 | |
| 80 // Callback for the underlying CFSocketRef. | |
| 81 static void MacAsyncSocketCallBack(CFSocketRef s, | |
| 82 CFSocketCallBackType callbackType, | |
| 83 CFDataRef address, | |
| 84 const void* data, | |
| 85 void* info); | |
| 86 | |
| 87 MacBaseSocketServer* ss_; | |
| 88 CFSocketRef socket_; | |
| 89 int native_socket_; | |
| 90 CFRunLoopSourceRef source_; | |
| 91 int current_callbacks_; | |
| 92 bool disabled_; | |
| 93 int error_; | |
| 94 ConnState state_; | |
| 95 AsyncResolver* resolver_; | |
| 96 | |
| 97 RTC_DISALLOW_COPY_AND_ASSIGN(MacAsyncSocket); | |
| 98 }; | |
| 99 | |
| 100 } // namespace rtc | |
| 101 | |
| 102 #endif // WEBRTC_BASE_MACASYNCSOCKET_H__ | |
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