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1 /* | |
2 * Copyright 2004 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 | |
11 #ifndef WEBRTC_LIBJINGLE_XMPP_ASYNCSOCKET_H_ | |
12 #define WEBRTC_LIBJINGLE_XMPP_ASYNCSOCKET_H_ | |
13 | |
14 #include <string> | |
15 | |
16 #include "webrtc/base/sigslot.h" | |
17 | |
18 namespace rtc { | |
19 class SocketAddress; | |
20 } | |
21 | |
22 namespace buzz { | |
23 | |
24 class AsyncSocket { | |
25 public: | |
26 enum State { | |
27 STATE_CLOSED = 0, //!< Socket is not open. | |
28 STATE_CLOSING, //!< Socket is closing but can have buffered data | |
29 STATE_CONNECTING, //!< In the process of | |
30 STATE_OPEN, //!< Socket is connected | |
31 #if defined(FEATURE_ENABLE_SSL) | |
32 STATE_TLS_CONNECTING, //!< Establishing TLS connection | |
33 STATE_TLS_OPEN, //!< TLS connected | |
34 #endif | |
35 }; | |
36 | |
37 enum Error { | |
38 ERROR_NONE = 0, //!< No error | |
39 ERROR_WINSOCK, //!< Winsock error | |
40 ERROR_DNS, //!< Couldn't resolve host name | |
41 ERROR_WRONGSTATE, //!< Call made while socket is in the wrong state | |
42 #if defined(FEATURE_ENABLE_SSL) | |
43 ERROR_SSL, //!< Something went wrong with OpenSSL | |
44 #endif | |
45 }; | |
46 | |
47 virtual ~AsyncSocket() {} | |
48 virtual State state() = 0; | |
49 virtual Error error() = 0; | |
50 virtual int GetError() = 0; // winsock error code | |
51 | |
52 virtual bool Connect(const rtc::SocketAddress& addr) = 0; | |
53 virtual bool Read(char * data, size_t len, size_t* len_read) = 0; | |
54 virtual bool Write(const char * data, size_t len) = 0; | |
55 virtual bool Close() = 0; | |
56 #if defined(FEATURE_ENABLE_SSL) | |
57 // We allow matching any passed domain. This allows us to avoid | |
58 // handling the valuable certificates for logins into proxies. If | |
59 // both names are passed as empty, we do not require a match. | |
60 virtual bool StartTls(const std::string & domainname) = 0; | |
61 #endif | |
62 | |
63 sigslot::signal0<> SignalConnected; | |
64 sigslot::signal0<> SignalSSLConnected; | |
65 sigslot::signal0<> SignalClosed; | |
66 sigslot::signal0<> SignalRead; | |
67 sigslot::signal0<> SignalError; | |
68 }; | |
69 | |
70 } | |
71 | |
72 #endif // WEBRTC_LIBJINGLE_XMPP_ASYNCSOCKET_H_ | |
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