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Side by Side Diff: mojo/edk/system/local_message_pipe_endpoint.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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1 // Copyright 2013 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 #ifndef MOJO_EDK_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
6 #define MOJO_EDK_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
7
8 #include "base/compiler_specific.h"
9 #include "base/macros.h"
10 #include "mojo/edk/system/awakable_list.h"
11 #include "mojo/edk/system/handle_signals_state.h"
12 #include "mojo/edk/system/message_in_transit_queue.h"
13 #include "mojo/edk/system/message_pipe_endpoint.h"
14 #include "mojo/edk/system/system_impl_export.h"
15
16 namespace mojo {
17 namespace system {
18
19 class MOJO_SYSTEM_IMPL_EXPORT LocalMessagePipeEndpoint
20 : public MessagePipeEndpoint {
21 public:
22 // If |message_queue| is non-null, its contents will be taken as the queue of
23 // (already-received) messages.
24 explicit LocalMessagePipeEndpoint(
25 MessageInTransitQueue* message_queue = nullptr);
26 ~LocalMessagePipeEndpoint() override;
27
28 // |MessagePipeEndpoint| implementation:
29 Type GetType() const override;
30 bool OnPeerClose() override;
31 void EnqueueMessage(scoped_ptr<MessageInTransit> message) override;
32
33 // There's a dispatcher for |LocalMessagePipeEndpoint|s, so we have to
34 // implement/override these:
35 void Close() override;
36 void CancelAllAwakables() override;
37 MojoResult ReadMessage(UserPointer<void> bytes,
38 UserPointer<uint32_t> num_bytes,
39 DispatcherVector* dispatchers,
40 uint32_t* num_dispatchers,
41 MojoReadMessageFlags flags) override;
42 HandleSignalsState GetHandleSignalsState() const override;
43 MojoResult AddAwakable(Awakable* awakable,
44 MojoHandleSignals signals,
45 uint32_t context,
46 HandleSignalsState* signals_state) override;
47 void RemoveAwakable(Awakable* awakable,
48 HandleSignalsState* signals_state) override;
49
50 // This is only to be used by |MessagePipe|:
51 MessageInTransitQueue* message_queue() { return &message_queue_; }
52
53 private:
54 bool is_open_;
55 bool is_peer_open_;
56
57 // Queue of incoming messages.
58 MessageInTransitQueue message_queue_;
59 AwakableList awakable_list_;
60
61 DISALLOW_COPY_AND_ASSIGN(LocalMessagePipeEndpoint);
62 };
63
64 } // namespace system
65 } // namespace mojo
66
67 #endif // MOJO_EDK_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
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