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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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/syncable/syncable_base_transaction.h" | 5 #include "components/sync/syncable/syncable_base_transaction.h" |
| 6 | 6 |
| 7 #include "base/trace_event/trace_event.h" | 7 #include "base/trace_event/trace_event.h" |
| 8 #include "sync/syncable/directory.h" | 8 #include "components/sync/syncable/directory.h" |
| 9 | 9 |
| 10 namespace syncer { | 10 namespace syncer { |
| 11 namespace syncable { | 11 namespace syncable { |
| 12 | 12 |
| 13 // static | 13 // static |
| 14 Id BaseTransaction::root_id() { | 14 Id BaseTransaction::root_id() { |
| 15 return Id::GetRoot(); | 15 return Id::GetRoot(); |
| 16 } | 16 } |
| 17 | 17 |
| 18 Directory* BaseTransaction::directory() const { | 18 Directory* BaseTransaction::directory() const { |
| 19 return directory_; | 19 return directory_; |
| 20 } | 20 } |
| 21 | 21 |
| 22 void BaseTransaction::Lock() { | 22 void BaseTransaction::Lock() { |
| 23 TRACE_EVENT2("sync_lock_contention", "AcquireLock", | 23 TRACE_EVENT2("sync_lock_contention", "AcquireLock", "src_file", |
| 24 "src_file", from_here_.file_name(), | 24 from_here_.file_name(), "src_func", from_here_.function_name()); |
| 25 "src_func", from_here_.function_name()); | |
| 26 | 25 |
| 27 directory_->kernel()->transaction_mutex.Acquire(); | 26 directory_->kernel()->transaction_mutex.Acquire(); |
| 28 } | 27 } |
| 29 | 28 |
| 30 void BaseTransaction::Unlock() { | 29 void BaseTransaction::Unlock() { |
| 31 directory_->kernel()->transaction_mutex.Release(); | 30 directory_->kernel()->transaction_mutex.Release(); |
| 32 } | 31 } |
| 33 | 32 |
| 34 void BaseTransaction::OnUnrecoverableError( | 33 void BaseTransaction::OnUnrecoverableError( |
| 35 const tracked_objects::Location& location, | 34 const tracked_objects::Location& location, |
| 36 const std::string& message) { | 35 const std::string& message) { |
| 37 unrecoverable_error_set_ = true; | 36 unrecoverable_error_set_ = true; |
| 38 unrecoverable_error_location_ = location; | 37 unrecoverable_error_location_ = location; |
| 39 unrecoverable_error_msg_ = message; | 38 unrecoverable_error_msg_ = message; |
| 40 | 39 |
| 41 // Note: We dont call the Directory's OnUnrecoverableError method right | 40 // Note: We dont call the Directory's OnUnrecoverableError method right |
| 42 // away. Instead we wait to unwind the stack and in the destructor of the | 41 // away. Instead we wait to unwind the stack and in the destructor of the |
| 43 // transaction we would call the OnUnrecoverableError method. | 42 // transaction we would call the OnUnrecoverableError method. |
| 44 | 43 |
| 45 directory()->ReportUnrecoverableError(); | 44 directory()->ReportUnrecoverableError(); |
| 46 } | 45 } |
| 47 | 46 |
| 48 bool BaseTransaction::unrecoverable_error_set() const { | 47 bool BaseTransaction::unrecoverable_error_set() const { |
| 49 return unrecoverable_error_set_; | 48 return unrecoverable_error_set_; |
| 50 } | 49 } |
| 51 | 50 |
| 52 void BaseTransaction::HandleUnrecoverableErrorIfSet() { | 51 void BaseTransaction::HandleUnrecoverableErrorIfSet() { |
| 53 if (unrecoverable_error_set_) { | 52 if (unrecoverable_error_set_) { |
| 54 directory()->OnUnrecoverableError(this, | 53 directory()->OnUnrecoverableError(this, unrecoverable_error_location_, |
| 55 unrecoverable_error_location_, | 54 unrecoverable_error_msg_); |
| 56 unrecoverable_error_msg_); | |
| 57 } | 55 } |
| 58 } | 56 } |
| 59 | 57 |
| 60 BaseTransaction::BaseTransaction(const tracked_objects::Location& from_here, | 58 BaseTransaction::BaseTransaction(const tracked_objects::Location& from_here, |
| 61 const char* name, | 59 const char* name, |
| 62 WriterTag writer, | 60 WriterTag writer, |
| 63 Directory* directory) | 61 Directory* directory) |
| 64 : from_here_(from_here), name_(name), writer_(writer), | 62 : from_here_(from_here), |
| 65 directory_(directory), unrecoverable_error_set_(false) { | 63 name_(name), |
| 64 writer_(writer), |
| 65 directory_(directory), |
| 66 unrecoverable_error_set_(false) { |
| 66 // TODO(lipalani): Don't issue a good transaction if the directory has | 67 // TODO(lipalani): Don't issue a good transaction if the directory has |
| 67 // unrecoverable error set. And the callers have to check trans.good before | 68 // unrecoverable error set. And the callers have to check trans.good before |
| 68 // proceeding. | 69 // proceeding. |
| 69 TRACE_EVENT_BEGIN2("sync", name_, | 70 TRACE_EVENT_BEGIN2("sync", name_, "src_file", from_here_.file_name(), |
| 70 "src_file", from_here_.file_name(), | |
| 71 "src_func", from_here_.function_name()); | 71 "src_func", from_here_.function_name()); |
| 72 } | 72 } |
| 73 | 73 |
| 74 BaseTransaction::~BaseTransaction() { | 74 BaseTransaction::~BaseTransaction() { |
| 75 TRACE_EVENT_END0("sync", name_); | 75 TRACE_EVENT_END0("sync", name_); |
| 76 } | 76 } |
| 77 | 77 |
| 78 } // namespace syncable | 78 } // namespace syncable |
| 79 } // namespace syncer | 79 } // namespace syncer |
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