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
3 // found in the LICENSE file.
4
5 #include "mojo/public/cpp/bindings/pipe_control_message_proxy.h"
6
7 #include <stddef.h>
8 #include <utility>
9
10 #include "base/compiler_specific.h"
11 #include "base/logging.h"
12 #include "mojo/public/cpp/bindings/lib/message_builder.h"
13 #include "mojo/public/cpp/bindings/lib/serialization.h"
14 #include "mojo/public/cpp/bindings/message.h"
15 #include "mojo/public/interfaces/bindings/pipe_control_messages.mojom.h"
16
17 namespace mojo {
18 namespace {
19
SendRunOrClosePipeMessage(MessageReceiver * receiver,pipe_control::RunOrClosePipeInputPtr input,internal::SerializationContext * context)20 void SendRunOrClosePipeMessage(MessageReceiver* receiver,
21 pipe_control::RunOrClosePipeInputPtr input,
22 internal::SerializationContext* context) {
23 pipe_control::RunOrClosePipeMessageParamsPtr params_ptr(
24 pipe_control::RunOrClosePipeMessageParams::New());
25 params_ptr->input = std::move(input);
26
27 size_t size =
28 internal::PrepareToSerialize<
29 pipe_control::RunOrClosePipeMessageParamsPtr>(params_ptr, context);
30 internal::MessageBuilder builder(pipe_control::kRunOrClosePipeMessageId,
31 size);
32
33 pipe_control::internal::RunOrClosePipeMessageParams_Data* params = nullptr;
34 internal::Serialize<pipe_control::RunOrClosePipeMessageParamsPtr>(
35 params_ptr, builder.buffer(), ¶ms, context);
36 builder.message()->set_interface_id(kInvalidInterfaceId);
37 bool ok = receiver->Accept(builder.message());
38 // This return value may be ignored as !ok implies the underlying message pipe
39 // has encountered an error, which will be visible through other means.
40 ALLOW_UNUSED_LOCAL(ok);
41 }
42
43 } // namespace
44
PipeControlMessageProxy(MessageReceiver * receiver)45 PipeControlMessageProxy::PipeControlMessageProxy(MessageReceiver* receiver)
46 : receiver_(receiver) {}
47
NotifyPeerEndpointClosed(InterfaceId id)48 void PipeControlMessageProxy::NotifyPeerEndpointClosed(InterfaceId id) {
49 DCHECK(!IsMasterInterfaceId(id));
50 pipe_control::PeerAssociatedEndpointClosedEventPtr event(
51 pipe_control::PeerAssociatedEndpointClosedEvent::New());
52 event->id = id;
53
54 pipe_control::RunOrClosePipeInputPtr input(
55 pipe_control::RunOrClosePipeInput::New());
56 input->set_peer_associated_endpoint_closed_event(std::move(event));
57
58 SendRunOrClosePipeMessage(receiver_, std::move(input), &context_);
59 }
60
NotifyEndpointClosedBeforeSent(InterfaceId id)61 void PipeControlMessageProxy::NotifyEndpointClosedBeforeSent(InterfaceId id) {
62 DCHECK(!IsMasterInterfaceId(id));
63 pipe_control::AssociatedEndpointClosedBeforeSentEventPtr event(
64 pipe_control::AssociatedEndpointClosedBeforeSentEvent::New());
65 event->id = id;
66
67 pipe_control::RunOrClosePipeInputPtr input(
68 pipe_control::RunOrClosePipeInput::New());
69 input->set_associated_endpoint_closed_before_sent_event(std::move(event));
70
71 SendRunOrClosePipeMessage(receiver_, std::move(input), &context_);
72 }
73
74 } // namespace mojo
75