Index: mojo/edk/system/message_pipe.h |
diff --git a/mojo/edk/system/message_pipe.h b/mojo/edk/system/message_pipe.h |
deleted file mode 100644 |
index df0501484e5715eb743733b2b739cc77803b49b6..0000000000000000000000000000000000000000 |
--- a/mojo/edk/system/message_pipe.h |
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@@ -1,148 +0,0 @@ |
-// Copyright 2013 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_MESSAGE_PIPE_H_ |
-#define MOJO_EDK_SYSTEM_MESSAGE_PIPE_H_ |
- |
-#include <stddef.h> |
-#include <stdint.h> |
- |
-#include <vector> |
- |
-#include "base/macros.h" |
-#include "base/memory/ref_counted.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/synchronization/lock.h" |
-#include "mojo/edk/embedder/platform_handle_vector.h" |
-#include "mojo/edk/system/channel_endpoint_client.h" |
-#include "mojo/edk/system/dispatcher.h" |
-#include "mojo/edk/system/handle_signals_state.h" |
-#include "mojo/edk/system/memory.h" |
-#include "mojo/edk/system/message_in_transit.h" |
-#include "mojo/edk/system/message_pipe_endpoint.h" |
-#include "mojo/edk/system/system_impl_export.h" |
-#include "mojo/public/c/system/message_pipe.h" |
-#include "mojo/public/c/system/types.h" |
- |
-namespace mojo { |
-namespace system { |
- |
-class Awakable; |
-class Channel; |
-class ChannelEndpoint; |
-class MessageInTransitQueue; |
- |
-// |MessagePipe| is the secondary object implementing a message pipe (see the |
-// explanatory comment in core.cc). It is typically owned by the dispatcher(s) |
-// corresponding to the local endpoints. This class is thread-safe. |
-class MOJO_SYSTEM_IMPL_EXPORT MessagePipe : public ChannelEndpointClient { |
- public: |
- // Creates a |MessagePipe| with two new |LocalMessagePipeEndpoint|s. |
- static MessagePipe* CreateLocalLocal(); |
- |
- // Creates a |MessagePipe| with a |LocalMessagePipeEndpoint| on port 0 and a |
- // |ProxyMessagePipeEndpoint| on port 1. |*channel_endpoint| is set to the |
- // (newly-created) |ChannelEndpoint| for the latter. |
- static MessagePipe* CreateLocalProxy( |
- scoped_refptr<ChannelEndpoint>* channel_endpoint); |
- |
- // Similar to |CreateLocalProxy()|, except that it'll do so from an existing |
- // |ChannelEndpoint| (whose |ReplaceClient()| it'll call) and take |
- // |message_queue|'s contents as already-received incoming messages. If |
- // |channel_endpoint| is null, this will create a "half-open" message pipe. |
- static MessagePipe* CreateLocalProxyFromExisting( |
- MessageInTransitQueue* message_queue, |
- ChannelEndpoint* channel_endpoint); |
- |
- // Creates a |MessagePipe| with a |ProxyMessagePipeEndpoint| on port 0 and a |
- // |LocalMessagePipeEndpoint| on port 1. |*channel_endpoint| is set to the |
- // (newly-created) |ChannelEndpoint| for the former. |
- // Note: This is really only needed in tests (outside of tests, this |
- // configuration arises from a local message pipe having its port 0 |
- // "converted" using |ConvertLocalToProxy()|). |
- static MessagePipe* CreateProxyLocal( |
- scoped_refptr<ChannelEndpoint>* channel_endpoint); |
- |
- // Gets the other port number (i.e., 0 -> 1, 1 -> 0). |
- static unsigned GetPeerPort(unsigned port); |
- |
- // Used by |MessagePipeDispatcher::Deserialize()|. Returns true on success (in |
- // which case, |*message_pipe|/|*port| are set appropriately) and false on |
- // failure (in which case |*message_pipe| may or may not be set to null). |
- static bool Deserialize(Channel* channel, |
- const void* source, |
- size_t size, |
- scoped_refptr<MessagePipe>* message_pipe, |
- unsigned* port); |
- |
- // Gets the type of the endpoint (used for assertions, etc.). |
- MessagePipeEndpoint::Type GetType(unsigned port); |
- |
- // These are called by the dispatcher to implement its methods of |
- // corresponding names. In all cases, the port |port| must be open. |
- void CancelAllAwakables(unsigned port); |
- void Close(unsigned port); |
- // Unlike |MessagePipeDispatcher::WriteMessage()|, this does not validate its |
- // arguments. |
- MojoResult WriteMessage(unsigned port, |
- UserPointer<const void> bytes, |
- uint32_t num_bytes, |
- std::vector<DispatcherTransport>* transports, |
- MojoWriteMessageFlags flags); |
- MojoResult ReadMessage(unsigned port, |
- UserPointer<void> bytes, |
- UserPointer<uint32_t> num_bytes, |
- DispatcherVector* dispatchers, |
- uint32_t* num_dispatchers, |
- MojoReadMessageFlags flags); |
- HandleSignalsState GetHandleSignalsState(unsigned port) const; |
- MojoResult AddAwakable(unsigned port, |
- Awakable* awakable, |
- MojoHandleSignals signals, |
- uint32_t context, |
- HandleSignalsState* signals_state); |
- void RemoveAwakable(unsigned port, |
- Awakable* awakable, |
- HandleSignalsState* signals_state); |
- void StartSerialize(unsigned port, |
- Channel* channel, |
- size_t* max_size, |
- size_t* max_platform_handles); |
- bool EndSerialize(unsigned port, |
- Channel* channel, |
- void* destination, |
- size_t* actual_size, |
- embedder::PlatformHandleVector* platform_handles); |
- |
- // |ChannelEndpointClient| methods: |
- bool OnReadMessage(unsigned port, MessageInTransit* message) override; |
- void OnDetachFromChannel(unsigned port) override; |
- |
- private: |
- MessagePipe(); |
- ~MessagePipe() override; |
- |
- // This is used internally by |WriteMessage()| and by |OnReadMessage()|. |
- // |transports| may be non-null only if it's nonempty and |message| has no |
- // dispatchers attached. Must be called with |lock_| held. |
- MojoResult EnqueueMessageNoLock(unsigned port, |
- scoped_ptr<MessageInTransit> message, |
- std::vector<DispatcherTransport>* transports); |
- |
- // Helper for |EnqueueMessageNoLock()|. Must be called with |lock_| held. |
- MojoResult AttachTransportsNoLock( |
- unsigned port, |
- MessageInTransit* message, |
- std::vector<DispatcherTransport>* transports); |
- |
- base::Lock lock_; // Protects the following members. |
- scoped_ptr<MessagePipeEndpoint> endpoints_[2]; |
- |
- DISALLOW_COPY_AND_ASSIGN(MessagePipe); |
-}; |
- |
-} // namespace system |
-} // namespace mojo |
- |
-#endif // MOJO_EDK_SYSTEM_MESSAGE_PIPE_H_ |