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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/logging.h"
11 #include "base/macros.h"
12 #include "mojo/public/cpp/bindings/lib/serialization.h"
13 #include "mojo/public/cpp/bindings/message.h"
14 #include "mojo/public/interfaces/bindings/pipe_control_messages.mojom.h"
15 
16 namespace mojo {
17 namespace {
18 
ConstructRunOrClosePipeMessage(pipe_control::RunOrClosePipeInputPtr input_ptr)19 Message ConstructRunOrClosePipeMessage(
20     pipe_control::RunOrClosePipeInputPtr input_ptr) {
21   auto params_ptr = pipe_control::RunOrClosePipeMessageParams::New();
22   params_ptr->input = std::move(input_ptr);
23 
24   Message message(pipe_control::kRunOrClosePipeMessageId, 0, 0, 0, nullptr);
25   internal::SerializationContext context;
26   pipe_control::internal::RunOrClosePipeMessageParams_Data::BufferWriter params;
27   internal::Serialize<pipe_control::RunOrClosePipeMessageParamsDataView>(
28       params_ptr, message.payload_buffer(), &params, &context);
29   message.set_interface_id(kInvalidInterfaceId);
30   return message;
31 }
32 
33 }  // namespace
34 
PipeControlMessageProxy(MessageReceiver * receiver)35 PipeControlMessageProxy::PipeControlMessageProxy(MessageReceiver* receiver)
36     : receiver_(receiver) {}
37 
NotifyPeerEndpointClosed(InterfaceId id,const base::Optional<DisconnectReason> & reason)38 void PipeControlMessageProxy::NotifyPeerEndpointClosed(
39     InterfaceId id,
40     const base::Optional<DisconnectReason>& reason) {
41   Message message(ConstructPeerEndpointClosedMessage(id, reason));
42   ignore_result(receiver_->Accept(&message));
43 }
44 
45 // static
ConstructPeerEndpointClosedMessage(InterfaceId id,const base::Optional<DisconnectReason> & reason)46 Message PipeControlMessageProxy::ConstructPeerEndpointClosedMessage(
47     InterfaceId id,
48     const base::Optional<DisconnectReason>& reason) {
49   auto event = pipe_control::PeerAssociatedEndpointClosedEvent::New();
50   event->id = id;
51   if (reason) {
52     event->disconnect_reason = pipe_control::DisconnectReason::New();
53     event->disconnect_reason->custom_reason = reason->custom_reason;
54     event->disconnect_reason->description = reason->description;
55   }
56 
57   auto input = pipe_control::RunOrClosePipeInput::New();
58   input->set_peer_associated_endpoint_closed_event(std::move(event));
59 
60   return ConstructRunOrClosePipeMessage(std::move(input));
61 }
62 
63 }  // namespace mojo
64