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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 #include "mojo/public/cpp/bindings/interface_endpoint_client.h" | 5 #include "mojo/public/cpp/bindings/interface_endpoint_client.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
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45 : endpoint_client_(endpoint_client), | 45 : endpoint_client_(endpoint_client), |
46 accept_was_invoked_(false), | 46 accept_was_invoked_(false), |
47 task_runner_(std::move(runner)) {} | 47 task_runner_(std::move(runner)) {} |
48 ~ResponderThunk() override { | 48 ~ResponderThunk() override { |
49 if (!accept_was_invoked_) { | 49 if (!accept_was_invoked_) { |
50 // The Service handled a message that was expecting a response | 50 // The Service handled a message that was expecting a response |
51 // but did not send a response. | 51 // but did not send a response. |
52 // We raise an error to signal the calling application that an error | 52 // We raise an error to signal the calling application that an error |
53 // condition occurred. Without this the calling application would have no | 53 // condition occurred. Without this the calling application would have no |
54 // way of knowing it should stop waiting for a response. | 54 // way of knowing it should stop waiting for a response. |
55 if (task_runner_->RunsTasksOnCurrentThread()) { | 55 if (task_runner_->RunsTasksInCurrentSequence()) { |
56 // Please note that even if this code is run from a different task | 56 // Please note that even if this code is run from a different task |
57 // runner on the same thread as |task_runner_|, it is okay to directly | 57 // runner on the same thread as |task_runner_|, it is okay to directly |
58 // call InterfaceEndpointClient::RaiseError(), because it will raise | 58 // call InterfaceEndpointClient::RaiseError(), because it will raise |
59 // error from the correct task runner asynchronously. | 59 // error from the correct task runner asynchronously. |
60 if (endpoint_client_) { | 60 if (endpoint_client_) { |
61 endpoint_client_->RaiseError(); | 61 endpoint_client_->RaiseError(); |
62 } | 62 } |
63 } else { | 63 } else { |
64 task_runner_->PostTask( | 64 task_runner_->PostTask( |
65 FROM_HERE, | 65 FROM_HERE, |
66 base::Bind(&InterfaceEndpointClient::RaiseError, endpoint_client_)); | 66 base::Bind(&InterfaceEndpointClient::RaiseError, endpoint_client_)); |
67 } | 67 } |
68 } | 68 } |
69 } | 69 } |
70 | 70 |
71 // MessageReceiver implementation: | 71 // MessageReceiver implementation: |
72 bool Accept(Message* message) override { | 72 bool Accept(Message* message) override { |
73 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | 73 DCHECK(task_runner_->RunsTasksInCurrentSequence()); |
74 accept_was_invoked_ = true; | 74 accept_was_invoked_ = true; |
75 DCHECK(message->has_flag(Message::kFlagIsResponse)); | 75 DCHECK(message->has_flag(Message::kFlagIsResponse)); |
76 | 76 |
77 bool result = false; | 77 bool result = false; |
78 | 78 |
79 if (endpoint_client_) | 79 if (endpoint_client_) |
80 result = endpoint_client_->Accept(message); | 80 result = endpoint_client_->Accept(message); |
81 | 81 |
82 return result; | 82 return result; |
83 } | 83 } |
84 | 84 |
85 // MessageReceiverWithStatus implementation: | 85 // MessageReceiverWithStatus implementation: |
86 bool IsValid() override { | 86 bool IsValid() override { |
87 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | 87 DCHECK(task_runner_->RunsTasksInCurrentSequence()); |
88 return endpoint_client_ && !endpoint_client_->encountered_error(); | 88 return endpoint_client_ && !endpoint_client_->encountered_error(); |
89 } | 89 } |
90 | 90 |
91 void DCheckInvalid(const std::string& message) override { | 91 void DCheckInvalid(const std::string& message) override { |
92 if (task_runner_->RunsTasksOnCurrentThread()) { | 92 if (task_runner_->RunsTasksInCurrentSequence()) { |
93 DCheckIfInvalid(endpoint_client_, message); | 93 DCheckIfInvalid(endpoint_client_, message); |
94 } else { | 94 } else { |
95 task_runner_->PostTask( | 95 task_runner_->PostTask( |
96 FROM_HERE, base::Bind(&DCheckIfInvalid, endpoint_client_, message)); | 96 FROM_HERE, base::Bind(&DCheckIfInvalid, endpoint_client_, message)); |
97 } | 97 } |
98 } | 98 } |
99 | 99 |
100 private: | 100 private: |
101 base::WeakPtr<InterfaceEndpointClient> endpoint_client_; | 101 base::WeakPtr<InterfaceEndpointClient> endpoint_client_; |
102 bool accept_was_invoked_; | 102 bool accept_was_invoked_; |
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403 return responder->Accept(message); | 403 return responder->Accept(message); |
404 } else { | 404 } else { |
405 if (mojo::internal::ControlMessageHandler::IsControlMessage(message)) | 405 if (mojo::internal::ControlMessageHandler::IsControlMessage(message)) |
406 return control_message_handler_.Accept(message); | 406 return control_message_handler_.Accept(message); |
407 | 407 |
408 return incoming_receiver_->Accept(message); | 408 return incoming_receiver_->Accept(message); |
409 } | 409 } |
410 } | 410 } |
411 | 411 |
412 } // namespace mojo | 412 } // namespace mojo |
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