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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/edk/system/channel_manager.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "base/message_loop/message_loop_proxy.h" | |
| 10 | |
| 11 namespace mojo { | |
| 12 namespace system { | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 void ShutdownChannelHelper(const ChannelInfo& channel_info) { | |
| 17 if (base::MessageLoopProxy::current() == | |
| 18 channel_info.channel_thread_task_runner) { | |
| 19 channel_info.channel->Shutdown(); | |
| 20 } else { | |
| 21 channel_info.channel->WillShutdownSoon(); | |
| 22 channel_info.channel_thread_task_runner->PostTask( | |
| 23 FROM_HERE, base::Bind(&Channel::Shutdown, channel_info.channel)); | |
| 24 } | |
| 25 } | |
| 26 | |
| 27 } // namespace | |
| 28 | |
| 29 ChannelManager::ChannelManager() { | |
| 30 } | |
| 31 | |
| 32 ChannelManager::~ChannelManager() { | |
| 33 // No need to take the lock. | |
| 34 for (const auto& map_elem : channel_infos_) | |
| 35 ShutdownChannelHelper(map_elem.second); | |
| 36 } | |
| 37 | |
| 38 ChannelId ChannelManager::AddChannel( | |
| 39 scoped_refptr<Channel> channel, | |
| 40 scoped_refptr<base::TaskRunner> channel_thread_task_runner) { | |
| 41 ChannelId channel_id = GetChannelId(channel.get()); | |
| 42 | |
| 43 { | |
| 44 base::AutoLock locker(lock_); | |
| 45 DCHECK(channel_infos_.find(channel_id) == channel_infos_.end()); | |
| 46 channel_infos_[channel_id] = | |
| 47 ChannelInfo(channel, channel_thread_task_runner); | |
| 48 } | |
| 49 channel->SetChannelManager(this); | |
| 50 | |
| 51 return channel_id; | |
| 52 } | |
| 53 | |
| 54 void ChannelManager::WillShutdownChannel(ChannelId channel_id) { | |
| 55 GetChannelInfo(channel_id).channel->WillShutdownSoon(); | |
| 56 } | |
| 57 | |
| 58 void ChannelManager::ShutdownChannel(ChannelId channel_id) { | |
| 59 ChannelInfo channel_info; | |
| 60 { | |
| 61 base::AutoLock locker(lock_); | |
| 62 auto it = channel_infos_.find(channel_id); | |
| 63 DCHECK(it != channel_infos_.end()); | |
| 64 channel_info.Swap(&it->second); | |
| 65 channel_infos_.erase(it); | |
| 66 } | |
| 67 ShutdownChannelHelper(channel_info); | |
| 68 } | |
| 69 | |
| 70 ChannelInfo ChannelManager::GetChannelInfo(ChannelId channel_id) { | |
| 71 base::AutoLock locker(lock_); | |
| 72 auto it = channel_infos_.find(channel_id); | |
| 73 DCHECK(it != channel_infos_.end()); | |
| 74 return it->second; | |
| 75 } | |
| 76 | |
| 77 } // namespace system | |
| 78 } // namespace mojo | |
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Chromium Code Reviews
Issue 814543006:
Move //mojo/{public, edk} underneath //third_party (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master