Chromium Code Reviews| OLD | NEW |
|---|---|
| 1 /* | 1 /* |
| 2 * libjingle | 2 * libjingle |
| 3 * Copyright 2004--2005, Google Inc. | 3 * Copyright 2004--2005, Google Inc. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
| 9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
| (...skipping 16 matching lines...) Expand all Loading... | |
| 27 | 27 |
| 28 #if defined(_MSC_VER) && _MSC_VER < 1300 | 28 #if defined(_MSC_VER) && _MSC_VER < 1300 |
| 29 #pragma warning(disable:4786) | 29 #pragma warning(disable:4786) |
| 30 #endif | 30 #endif |
| 31 | 31 |
| 32 #ifdef POSIX | 32 #ifdef POSIX |
| 33 #include <sys/time.h> | 33 #include <sys/time.h> |
| 34 #endif | 34 #endif |
| 35 | 35 |
| 36 #include "talk/base/common.h" | 36 #include "talk/base/common.h" |
| 37 #include "talk/base/event.h" | |
| 37 #include "talk/base/logging.h" | 38 #include "talk/base/logging.h" |
| 38 #include "talk/base/messagequeue.h" | 39 #include "talk/base/messagequeue.h" |
| 39 #include "talk/base/physicalsocketserver.h" | 40 #include "talk/base/physicalsocketserver.h" |
| 40 | 41 |
| 41 | 42 |
| 42 namespace talk_base { | 43 namespace talk_base { |
| 43 | 44 |
| 44 const uint32 kMaxMsgLatency = 150; // 150 ms | 45 const uint32 kMaxMsgLatency = 150; // 150 ms |
| 45 | 46 |
| 46 //------------------------------------------------------------------ | 47 //------------------------------------------------------------------ |
| 48 // NullSocketServer | |
| 49 | |
| 50 class NullSocketServer : public SocketServer { | |
|
Sergey Ulanov
2012/02/28 21:54:02
should this be in an anonymous namespace?
Ronghua Wu (Left Chromium)
2012/02/28 23:16:57
Done.
| |
| 51 public: | |
| 52 NullSocketServer() : event_(false, false) { } | |
| 53 | |
| 54 virtual bool Wait(int cms, bool process_io) { | |
| 55 return event_.Wait(kForever); | |
| 56 } | |
| 57 | |
| 58 virtual void WakeUp() { | |
| 59 event_.Set(); | |
| 60 } | |
| 61 | |
| 62 virtual Socket* CreateSocket(int type) { | |
| 63 return NULL; | |
| 64 } | |
| 65 | |
| 66 // Returns a new socket for nonblocking communication. The type can be | |
| 67 // SOCK_DGRAM and/or SOCK_STREAM. | |
| 68 virtual AsyncSocket* CreateAsyncSocket(int type) { | |
| 69 return NULL; | |
| 70 } | |
| 71 private: | |
|
Sergey Ulanov
2012/02/28 21:54:02
nit: empty line before this one.
Ronghua Wu (Left Chromium)
2012/02/28 23:16:57
Done.
| |
| 72 Event event_; | |
| 73 }; | |
| 74 | |
| 75 //------------------------------------------------------------------ | |
| 47 // MessageQueueManager | 76 // MessageQueueManager |
| 48 | 77 |
| 49 MessageQueueManager* MessageQueueManager::instance_; | 78 MessageQueueManager* MessageQueueManager::instance_; |
| 50 | 79 |
| 51 MessageQueueManager* MessageQueueManager::Instance() { | 80 MessageQueueManager* MessageQueueManager::Instance() { |
| 52 // Note: This is not thread safe, but it is first called before threads are | 81 // Note: This is not thread safe, but it is first called before threads are |
| 53 // spawned. | 82 // spawned. |
| 54 if (!instance_) | 83 if (!instance_) |
| 55 instance_ = new MessageQueueManager; | 84 instance_ = new MessageQueueManager; |
| 56 return instance_; | 85 return instance_; |
| (...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 98 ASSERT(!crit_.CurrentThreadIsOwner()); // See note above. | 127 ASSERT(!crit_.CurrentThreadIsOwner()); // See note above. |
| 99 CritScope cs(&crit_); | 128 CritScope cs(&crit_); |
| 100 std::vector<MessageQueue *>::iterator iter; | 129 std::vector<MessageQueue *>::iterator iter; |
| 101 for (iter = message_queues_.begin(); iter != message_queues_.end(); iter++) | 130 for (iter = message_queues_.begin(); iter != message_queues_.end(); iter++) |
| 102 (*iter)->Clear(handler); | 131 (*iter)->Clear(handler); |
| 103 } | 132 } |
| 104 | 133 |
| 105 //------------------------------------------------------------------ | 134 //------------------------------------------------------------------ |
| 106 // MessageQueue | 135 // MessageQueue |
| 107 | 136 |
| 108 MessageQueue::MessageQueue(SocketServer* ss) | 137 MessageQueue::MessageQueue() { |
| 109 : ss_(ss), fStop_(false), fPeekKeep_(false), active_(false), | 138 // TODO(ronghuawu): |
| 110 dmsgq_next_num_(0) { | 139 // Currently, MessageQueue holds a socket server, and is the base class for |
| 111 if (!ss_) { | 140 // Thread. It seems like it makes more sense for Thread to hold the socket |
| 112 // Currently, MessageQueue holds a socket server, and is the base class for | 141 // server, and provide it to the MessageQueue, since the Thread controls |
| 113 // Thread. It seems like it makes more sense for Thread to hold the socket | 142 // the I/O model, and MQ is agnostic to those details. Anyway, this causes |
| 114 // server, and provide it to the MessageQueue, since the Thread controls | 143 // messagequeue_unittest to depend on network libraries... yuck. |
| 115 // the I/O model, and MQ is agnostic to those details. Anyway, this causes | 144 default_ss_.reset(new PhysicalSocketServer()); |
| 116 // messagequeue_unittest to depend on network libraries... yuck. | 145 Construct(); |
| 117 default_ss_.reset(new PhysicalSocketServer()); | 146 } |
| 118 ss_ = default_ss_.get(); | 147 |
| 148 MessageQueue::MessageQueue(SocketServer* ss) { | |
| 149 if (!ss) { | |
| 150 default_ss_.reset(new NullSocketServer()); | |
|
Sergey Ulanov
2012/02/28 21:54:02
here we lose |ss| if it is set.
Ronghua Wu (Left Chromium)
2012/02/28 23:16:57
Done.
| |
| 119 } | 151 } |
| 152 Construct(); | |
| 153 } | |
| 154 | |
| 155 void MessageQueue::Construct() { | |
| 156 fStop_ = false; | |
| 157 fPeekKeep_ = false; | |
| 158 active_ = false; | |
| 159 dmsgq_next_num_ = 0; | |
| 160 ss_ = default_ss_.get(); | |
| 120 ss_->SetMessageQueue(this); | 161 ss_->SetMessageQueue(this); |
| 121 } | 162 } |
| 122 | 163 |
| 123 MessageQueue::~MessageQueue() { | 164 MessageQueue::~MessageQueue() { |
| 124 // The signal is done from here to ensure | 165 // The signal is done from here to ensure |
| 125 // that it always gets called when the queue | 166 // that it always gets called when the queue |
| 126 // is going away. | 167 // is going away. |
| 127 SignalQueueDestroyed(); | 168 SignalQueueDestroyed(); |
| 128 if (active_) { | 169 if (active_) { |
| 129 MessageQueueManager::Instance()->Remove(this); | 170 MessageQueueManager::Instance()->Remove(this); |
| (...skipping 244 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 374 | 415 |
| 375 void MessageQueue::EnsureActive() { | 416 void MessageQueue::EnsureActive() { |
| 376 ASSERT(crit_.CurrentThreadIsOwner()); | 417 ASSERT(crit_.CurrentThreadIsOwner()); |
| 377 if (!active_) { | 418 if (!active_) { |
| 378 active_ = true; | 419 active_ = true; |
| 379 MessageQueueManager::Instance()->Add(this); | 420 MessageQueueManager::Instance()->Add(this); |
| 380 } | 421 } |
| 381 } | 422 } |
| 382 | 423 |
| 383 } // namespace talk_base | 424 } // namespace talk_base |
| OLD | NEW |