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Unified Diff: mojo/edk/system/channel_manager.h

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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Index: mojo/edk/system/channel_manager.h
diff --git a/mojo/edk/system/channel_manager.h b/mojo/edk/system/channel_manager.h
deleted file mode 100644
index bb6371bbb42e96108070ae2ab2679a587fdecd43..0000000000000000000000000000000000000000
--- a/mojo/edk/system/channel_manager.h
+++ /dev/null
@@ -1,83 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_
-#define MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_
-
-#include <stdint.h>
-
-#include "base/containers/hash_tables.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/synchronization/lock.h"
-#include "base/task_runner.h"
-#include "mojo/edk/system/channel.h"
-#include "mojo/edk/system/channel_info.h"
-
-namespace mojo {
-namespace system {
-
-// IDs for |Channel|s managed by a |ChannelManager|. (IDs should be thought of
-// as specific to a given |ChannelManager|.) 0 is never a valid ID.
-//
-// Note: We currently just use the pointer of the |Channel| casted to a
-// |uintptr_t|, but we reserve the right to change this.
-typedef uintptr_t ChannelId;
-
-// This class manages and "owns" |Channel|s (which typically connect to other
-// processes) for a given process. This class is thread-safe.
-class MOJO_SYSTEM_IMPL_EXPORT ChannelManager {
- public:
- ChannelManager();
- ~ChannelManager();
-
- // Adds |channel| to the set of |Channel|s managed by this |ChannelManager|;
- // |channel_thread_task_runner| should be the task runner for |channel|'s
- // creation (a.k.a. I/O) thread. |channel| should either already be
- // initialized. It should not be managed by any |ChannelManager| yet. Returns
- // the ID for the added channel.
- ChannelId AddChannel(
- scoped_refptr<Channel> channel,
- scoped_refptr<base::TaskRunner> channel_thread_task_runner);
-
- // Informs the channel manager (and thus channel) that it will be shutdown
- // soon (by calling |ShutdownChannel()|). Calling this is optional (and may in
- // fact be called multiple times) but it will suppress certain warnings (e.g.,
- // for the channel being broken) and enable others (if messages are written to
- // the channel).
- void WillShutdownChannel(ChannelId channel_id);
-
- // Shuts down the channel specified by the given ID. It is up to the caller to
- // guarantee that this is only called once per channel (that was added using
- // |AddChannel()|). If called from the chanel's creation thread (i.e.,
- // |base::MessageLoopProxy::current()| is the channel thread's |TaskRunner|),
- // this will complete synchronously.
- void ShutdownChannel(ChannelId channel_id);
-
- private:
- // Gets the ID for a given channel.
- //
- // Note: This is currently a static method and thus may be called under
- // |lock_|. If this is ever made non-static (i.e., made specific to a given
- // |ChannelManager|), those call sites may have to changed.
- static ChannelId GetChannelId(const Channel* channel) {
- return reinterpret_cast<ChannelId>(channel);
- }
-
- // Gets the |ChannelInfo| for the channel specified by the given ID. (This
- // should *not* be called under lock.)
- ChannelInfo GetChannelInfo(ChannelId channel_id);
-
- // Note: |Channel| methods should not be called under |lock_|.
- base::Lock lock_; // Protects the members below.
-
- base::hash_map<ChannelId, ChannelInfo> channel_infos_;
-
- DISALLOW_COPY_AND_ASSIGN(ChannelManager);
-};
-
-} // namespace system
-} // namespace mojo
-
-#endif // MOJO_EDK_SYSTEM_CHANNEL_MANAGER_H_
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