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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "build/build_config.h" | 5 #include "build/build_config.h" |
6 | 6 |
7 #if defined(OS_WIN) | 7 #if defined(OS_WIN) |
8 #include <windows.h> | 8 #include <windows.h> |
9 #endif | 9 #endif |
10 #include <stack> | 10 #include <stack> |
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32 | 32 |
33 } // namespace | 33 } // namespace |
34 | 34 |
35 namespace IPC { | 35 namespace IPC { |
36 | 36 |
37 #define kSyncMessageHeaderSize 4 | 37 #define kSyncMessageHeaderSize 4 |
38 | 38 |
39 SyncMessage::SyncMessage( | 39 SyncMessage::SyncMessage( |
40 int32 routing_id, | 40 int32 routing_id, |
41 uint32 type, | 41 uint32 type, |
42 PriorityValue priority, | |
43 MessageReplyDeserializer* deserializer) | 42 MessageReplyDeserializer* deserializer) |
44 : Message(routing_id, type, priority), | 43 : Message(routing_id, type), |
45 deserializer_(deserializer), | 44 deserializer_(deserializer), |
46 pump_messages_event_(NULL) | 45 pump_messages_event_(NULL) |
47 { | 46 { |
48 set_sync(); | 47 set_sync(); |
49 set_unblock(true); | 48 set_unblock(true); |
50 | 49 |
51 // Add synchronous message data before the message payload. | 50 // Add synchronous message data before the message payload. |
52 SyncHeader header; | 51 SyncHeader header; |
53 header.message_id = g_next_id.GetNext(); | 52 header.message_id = g_next_id.GetNext(); |
54 WriteSyncHeader(this, header); | 53 WriteSyncHeader(this, header); |
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89 SyncHeader header; | 88 SyncHeader header; |
90 if (!ReadSyncHeader(msg, &header)) | 89 if (!ReadSyncHeader(msg, &header)) |
91 return 0; | 90 return 0; |
92 | 91 |
93 return header.message_id; | 92 return header.message_id; |
94 } | 93 } |
95 | 94 |
96 Message* SyncMessage::GenerateReply(const Message* msg) { | 95 Message* SyncMessage::GenerateReply(const Message* msg) { |
97 DCHECK(msg->is_sync()); | 96 DCHECK(msg->is_sync()); |
98 | 97 |
99 Message* reply = new Message(msg->routing_id(), IPC_REPLY_ID, | 98 Message* reply = new Message(msg->routing_id(), IPC_REPLY_ID); |
100 msg->priority()); | |
101 reply->set_reply(); | 99 reply->set_reply(); |
102 | 100 |
103 SyncHeader header; | 101 SyncHeader header; |
104 | 102 |
105 // use the same message id, but this time reply bit is set | 103 // use the same message id, but this time reply bit is set |
106 header.message_id = GetMessageId(*msg); | 104 header.message_id = GetMessageId(*msg); |
107 WriteSyncHeader(reply, header); | 105 WriteSyncHeader(reply, header); |
108 | 106 |
109 return reply; | 107 return reply; |
110 } | 108 } |
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136 | 134 |
137 return true; | 135 return true; |
138 } | 136 } |
139 | 137 |
140 | 138 |
141 bool MessageReplyDeserializer::SerializeOutputParameters(const Message& msg) { | 139 bool MessageReplyDeserializer::SerializeOutputParameters(const Message& msg) { |
142 return SerializeOutputParameters(msg, SyncMessage::GetDataIterator(&msg)); | 140 return SerializeOutputParameters(msg, SyncMessage::GetDataIterator(&msg)); |
143 } | 141 } |
144 | 142 |
145 } // namespace IPC | 143 } // namespace IPC |
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