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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 "sync/engine/commit.h" | 5 #include "sync/engine/commit.h" |
6 | 6 |
7 #include "base/debug/trace_event.h" | 7 #include "base/debug/trace_event.h" |
8 #include "sync/engine/build_commit_command.h" | 8 #include "sync/engine/build_commit_command.h" |
9 #include "sync/engine/get_commit_ids_command.h" | 9 #include "sync/engine/get_commit_ids_command.h" |
10 #include "sync/engine/process_commit_response_command.h" | 10 #include "sync/engine/process_commit_response_command.h" |
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56 // The OrderedCommitSet parameter is an output parameter which will contain | 56 // The OrderedCommitSet parameter is an output parameter which will contain |
57 // the set of all items which are to be committed. The number of items in | 57 // the set of all items which are to be committed. The number of items in |
58 // the set shall not exceed the maximum batch size. (The default batch size | 58 // the set shall not exceed the maximum batch size. (The default batch size |
59 // is currently 25, though it can be overwritten by the server.) | 59 // is currently 25, though it can be overwritten by the server.) |
60 // | 60 // |
61 // The ClientToServerMessage parameter is an output parameter which will contain | 61 // The ClientToServerMessage parameter is an output parameter which will contain |
62 // the commit message which should be sent to the server. It is valid iff the | 62 // the commit message which should be sent to the server. It is valid iff the |
63 // return value of this function is true. | 63 // return value of this function is true. |
64 bool PrepareCommitMessage(sessions::SyncSession* session, | 64 bool PrepareCommitMessage(sessions::SyncSession* session, |
65 sessions::OrderedCommitSet* commit_set, | 65 sessions::OrderedCommitSet* commit_set, |
66 ClientToServerMessage* commit_message) { | 66 sync_pb::ClientToServerMessage* commit_message) { |
67 TRACE_EVENT0("sync", "PrepareCommitMessage"); | 67 TRACE_EVENT0("sync", "PrepareCommitMessage"); |
68 | 68 |
69 commit_set->Clear(); | 69 commit_set->Clear(); |
70 commit_message->Clear(); | 70 commit_message->Clear(); |
71 | 71 |
72 // TODO(134769): This is a temporary fix for crbug.com/134715. | |
73 commit_message->set_protocol_version(commit_message->protocol_version()); | 72 commit_message->set_protocol_version(commit_message->protocol_version()); |
akalin
2012/07/11 01:42:22
im guessing this is what replaces the call in the
rlarocque
2012/07/11 19:22:16
Yes. We want to set the protocol version to the c
| |
74 | 73 |
75 WriteTransaction trans(FROM_HERE, SYNCER, session->context()->directory()); | 74 WriteTransaction trans(FROM_HERE, SYNCER, session->context()->directory()); |
76 sessions::ScopedSetSessionWriteTransaction set_trans(session, &trans); | 75 sessions::ScopedSetSessionWriteTransaction set_trans(session, &trans); |
77 | 76 |
78 // Fetch the items to commit. | 77 // Fetch the items to commit. |
79 const size_t batch_size = session->context()->max_commit_batch_size(); | 78 const size_t batch_size = session->context()->max_commit_batch_size(); |
80 GetCommitIdsCommand get_commit_ids_command(batch_size, commit_set); | 79 GetCommitIdsCommand get_commit_ids_command(batch_size, commit_set); |
81 get_commit_ids_command.Execute(session); | 80 get_commit_ids_command.Execute(session); |
82 | 81 |
83 DVLOG(1) << "Commit message will contain " << commit_set->Size() << " items."; | 82 DVLOG(1) << "Commit message will contain " << commit_set->Size() << " items."; |
84 if (commit_set->Empty()) { | 83 if (commit_set->Empty()) { |
85 return false; | 84 return false; |
86 } | 85 } |
87 | 86 |
88 // Serialize the message. | 87 // Serialize the message. |
89 BuildCommitCommand build_commit_command(*commit_set, commit_message); | 88 BuildCommitCommand build_commit_command(*commit_set, commit_message); |
90 build_commit_command.Execute(session); | 89 build_commit_command.Execute(session); |
91 | 90 |
92 SetSyncingBits(session->write_transaction(), *commit_set); | 91 SetSyncingBits(session->write_transaction(), *commit_set); |
93 return true; | 92 return true; |
94 } | 93 } |
95 | 94 |
96 SyncerError BuildAndPostCommitsImpl(Syncer* syncer, | 95 SyncerError BuildAndPostCommitsImpl(Syncer* syncer, |
97 sessions::SyncSession* session, | 96 sessions::SyncSession* session, |
98 sessions::OrderedCommitSet* commit_set) { | 97 sessions::OrderedCommitSet* commit_set) { |
99 ClientToServerMessage commit_message; | 98 sync_pb::ClientToServerMessage commit_message; |
100 while (!syncer->ExitRequested() && | 99 while (!syncer->ExitRequested() && |
101 PrepareCommitMessage(session, commit_set, &commit_message)) { | 100 PrepareCommitMessage(session, commit_set, &commit_message)) { |
102 ClientToServerResponse commit_response; | 101 sync_pb::ClientToServerResponse commit_response; |
103 | 102 |
104 DVLOG(1) << "Sending commit message."; | 103 DVLOG(1) << "Sending commit message."; |
105 TRACE_EVENT_BEGIN0("sync", "PostCommit"); | 104 TRACE_EVENT_BEGIN0("sync", "PostCommit"); |
106 const SyncerError post_result = SyncerProtoUtil::PostClientToServerMessage( | 105 const SyncerError post_result = SyncerProtoUtil::PostClientToServerMessage( |
107 commit_message, &commit_response, session); | 106 commit_message, &commit_response, session); |
108 TRACE_EVENT_END0("sync", "PostCommit"); | 107 TRACE_EVENT_END0("sync", "PostCommit"); |
109 | 108 |
110 if (post_result != SYNCER_OK) { | 109 if (post_result != SYNCER_OK) { |
111 LOG(WARNING) << "Post commit failed"; | 110 LOG(WARNING) << "Post commit failed"; |
112 return post_result; | 111 return post_result; |
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149 sessions::SyncSession* session) { | 148 sessions::SyncSession* session) { |
150 sessions::OrderedCommitSet commit_set(session->routing_info()); | 149 sessions::OrderedCommitSet commit_set(session->routing_info()); |
151 SyncerError result = BuildAndPostCommitsImpl(syncer, session, &commit_set); | 150 SyncerError result = BuildAndPostCommitsImpl(syncer, session, &commit_set); |
152 if (result != SYNCER_OK) { | 151 if (result != SYNCER_OK) { |
153 ClearSyncingBits(session->context()->directory(), commit_set); | 152 ClearSyncingBits(session->context()->directory(), commit_set); |
154 } | 153 } |
155 return result; | 154 return result; |
156 } | 155 } |
157 | 156 |
158 } // namespace syncer | 157 } // namespace syncer |
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