1f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/* 2f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * libjingle 3f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Copyright 2004--2005, Google Inc. 4f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 5f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Redistribution and use in source and binary forms, with or without 6f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * modification, are permitted provided that the following conditions are met: 7f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 8f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 1. Redistributions of source code must retain the above copyright notice, 9f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer. 10f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 2. Redistributions in binary form must reproduce the above copyright notice, 11f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer in the documentation 12f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * and/or other materials provided with the distribution. 13f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 3. The name of the author may not be used to endorse or promote products 14f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * derived from this software without specific prior written permission. 15f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 16f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch */ 27f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 28f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#ifndef _ASYNCSOCKET_H_ 29f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#define _ASYNCSOCKET_H_ 30f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 31f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/sigslot.h" 32f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 33f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochnamespace talk_base { 34f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch class SocketAddress; 35f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 36f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 37f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochnamespace buzz { 38f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 39f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochclass AsyncSocket { 40f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochpublic: 41f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch enum State { 42f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch STATE_CLOSED = 0, //!< Socket is not open. 43f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch STATE_CLOSING, //!< Socket is closing but can have buffered data 44f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch STATE_CONNECTING, //!< In the process of 45f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch STATE_OPEN, //!< Socket is connected 46f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#if defined(FEATURE_ENABLE_SSL) 47f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch STATE_TLS_CONNECTING, //!< Establishing TLS connection 48f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch STATE_TLS_OPEN, //!< TLS connected 49f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#endif 50f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch }; 51f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 52f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch enum Error { 53f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ERROR_NONE = 0, //!< No error 54f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ERROR_WINSOCK, //!< Winsock error 55f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ERROR_DNS, //!< Couldn't resolve host name 56f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ERROR_WRONGSTATE, //!< Call made while socket is in the wrong state 57f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#if defined(FEATURE_ENABLE_SSL) 58f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ERROR_SSL, //!< Something went wrong with OpenSSL 59f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#endif 60f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch }; 61f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 62f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual ~AsyncSocket() {} 63f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual State state() = 0; 64f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual Error error() = 0; 65f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual int GetError() = 0; // winsock error code 66f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 67f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool Connect(const talk_base::SocketAddress& addr) = 0; 68f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool Read(char * data, size_t len, size_t* len_read) = 0; 69f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool Write(const char * data, size_t len) = 0; 70f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool Close() = 0; 71f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#if defined(FEATURE_ENABLE_SSL) 72f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch // We allow matching any passed domain. 73f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch // If both names are passed as empty, we do not require a match. 74f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool StartTls(const std::string & domainname) = 0; 75f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#endif 76f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 77f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch sigslot::signal0<> SignalConnected; 78f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch sigslot::signal0<> SignalSSLConnected; 79f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch sigslot::signal0<> SignalClosed; 80f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch sigslot::signal0<> SignalRead; 81f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch sigslot::signal0<> SignalError; 82f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch}; 83f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 84f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 85f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 86f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#endif 87