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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CLIENT_H_ | 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CLIENT_H_ |
6 #define MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CLIENT_H_ | 6 #define MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CLIENT_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 #include <memory> | 11 #include <memory> |
12 | 12 |
13 #include "base/callback.h" | 13 #include "base/callback.h" |
14 #include "base/logging.h" | 14 #include "base/logging.h" |
15 #include "base/macros.h" | 15 #include "base/macros.h" |
16 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
17 #include "base/memory/weak_ptr.h" | 17 #include "base/memory/weak_ptr.h" |
18 #include "base/single_thread_task_runner.h" | 18 #include "base/single_thread_task_runner.h" |
19 #include "base/threading/thread_checker.h" | 19 #include "base/threading/thread_checker.h" |
20 #include "mojo/public/cpp/bindings/filter_chain.h" | 20 #include "mojo/public/cpp/bindings/filter_chain.h" |
| 21 #include "mojo/public/cpp/bindings/lib/control_message_handler.h" |
| 22 #include "mojo/public/cpp/bindings/lib/control_message_proxy.h" |
21 #include "mojo/public/cpp/bindings/message.h" | 23 #include "mojo/public/cpp/bindings/message.h" |
22 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h" | 24 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h" |
23 | 25 |
24 namespace mojo { | 26 namespace mojo { |
25 | 27 |
26 class AssociatedGroup; | 28 class AssociatedGroup; |
27 class AssociatedGroupController; | 29 class AssociatedGroupController; |
28 class InterfaceEndpointController; | 30 class InterfaceEndpointController; |
29 | 31 |
30 // InterfaceEndpointClient handles message sending and receiving of an interface | 32 // InterfaceEndpointClient handles message sending and receiving of an interface |
31 // endpoint, either the implementation side or the client side. | 33 // endpoint, either the implementation side or the client side. |
32 // It should only be accessed and destructed on the creating thread. | 34 // It should only be accessed and destructed on the creating thread. |
33 class InterfaceEndpointClient : public MessageReceiverWithResponder { | 35 class InterfaceEndpointClient : public MessageReceiverWithResponder { |
34 public: | 36 public: |
35 // |receiver| is okay to be null. If it is not null, it must outlive this | 37 // |receiver| is okay to be null. If it is not null, it must outlive this |
36 // object. | 38 // object. |
37 InterfaceEndpointClient(ScopedInterfaceEndpointHandle handle, | 39 InterfaceEndpointClient(ScopedInterfaceEndpointHandle handle, |
38 MessageReceiverWithResponderStatus* receiver, | 40 MessageReceiverWithResponderStatus* receiver, |
39 std::unique_ptr<MessageReceiver> payload_validator, | 41 std::unique_ptr<MessageReceiver> payload_validator, |
40 bool expect_sync_requests, | 42 bool expect_sync_requests, |
41 scoped_refptr<base::SingleThreadTaskRunner> runner); | 43 scoped_refptr<base::SingleThreadTaskRunner> runner, |
| 44 uint32_t interface_version); |
42 ~InterfaceEndpointClient() override; | 45 ~InterfaceEndpointClient() override; |
43 | 46 |
44 // Sets the error handler to receive notifications when an error is | 47 // Sets the error handler to receive notifications when an error is |
45 // encountered. | 48 // encountered. |
46 void set_connection_error_handler(const base::Closure& error_handler) { | 49 void set_connection_error_handler(const base::Closure& error_handler) { |
47 DCHECK(thread_checker_.CalledOnValidThread()); | 50 DCHECK(thread_checker_.CalledOnValidThread()); |
48 error_handler_ = error_handler; | 51 error_handler_ = error_handler; |
49 } | 52 } |
50 | 53 |
51 // Returns true if an error was encountered. | 54 // Returns true if an error was encountered. |
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82 bool AcceptWithResponder(Message* message, | 85 bool AcceptWithResponder(Message* message, |
83 MessageReceiver* responder) override; | 86 MessageReceiver* responder) override; |
84 | 87 |
85 // The following methods are called by the router. They must be called | 88 // The following methods are called by the router. They must be called |
86 // outside of the router's lock. | 89 // outside of the router's lock. |
87 | 90 |
88 // NOTE: |message| must have passed message header validation. | 91 // NOTE: |message| must have passed message header validation. |
89 bool HandleIncomingMessage(Message* message); | 92 bool HandleIncomingMessage(Message* message); |
90 void NotifyError(); | 93 void NotifyError(); |
91 | 94 |
| 95 internal::ControlMessageProxy* control_message_proxy() { |
| 96 return &control_message_proxy_; |
| 97 } |
| 98 |
92 private: | 99 private: |
93 // Maps from the id of a response to the MessageReceiver that handles the | 100 // Maps from the id of a response to the MessageReceiver that handles the |
94 // response. | 101 // response. |
95 using AsyncResponderMap = | 102 using AsyncResponderMap = |
96 std::map<uint64_t, std::unique_ptr<MessageReceiver>>; | 103 std::map<uint64_t, std::unique_ptr<MessageReceiver>>; |
97 | 104 |
98 struct SyncResponseInfo { | 105 struct SyncResponseInfo { |
99 public: | 106 public: |
100 explicit SyncResponseInfo(bool* in_response_received); | 107 explicit SyncResponseInfo(bool* in_response_received); |
101 ~SyncResponseInfo(); | 108 ~SyncResponseInfo(); |
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140 AsyncResponderMap async_responders_; | 147 AsyncResponderMap async_responders_; |
141 SyncResponseMap sync_responses_; | 148 SyncResponseMap sync_responses_; |
142 | 149 |
143 uint64_t next_request_id_; | 150 uint64_t next_request_id_; |
144 | 151 |
145 base::Closure error_handler_; | 152 base::Closure error_handler_; |
146 bool encountered_error_; | 153 bool encountered_error_; |
147 | 154 |
148 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 155 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
149 | 156 |
| 157 internal::ControlMessageProxy control_message_proxy_; |
| 158 internal::ControlMessageHandler control_message_handler_; |
| 159 |
150 base::ThreadChecker thread_checker_; | 160 base::ThreadChecker thread_checker_; |
151 | 161 |
152 base::WeakPtrFactory<InterfaceEndpointClient> weak_ptr_factory_; | 162 base::WeakPtrFactory<InterfaceEndpointClient> weak_ptr_factory_; |
153 | 163 |
154 DISALLOW_COPY_AND_ASSIGN(InterfaceEndpointClient); | 164 DISALLOW_COPY_AND_ASSIGN(InterfaceEndpointClient); |
155 }; | 165 }; |
156 | 166 |
157 } // namespace mojo | 167 } // namespace mojo |
158 | 168 |
159 #endif // MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CLIENT_H_ | 169 #endif // MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_ENDPOINT_CLIENT_H_ |
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