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 3 // found in the LICENSE file. 4 5 #include "sync/syncable/syncable_base_transaction.h" 6 7 #include "base/debug/trace_event.h" 8 #include "sync/syncable/directory.h" 9 10 namespace syncer { 11 namespace syncable { 12 13 Directory* BaseTransaction::directory() const { 14 return directory_; 15 } 16 17 Id BaseTransaction::root_id() const { 18 return Id(); 19 } 20 21 void BaseTransaction::Lock() { 22 TRACE_EVENT2("sync_lock_contention", "AcquireLock", 23 "src_file", from_here_.file_name(), 24 "src_func", from_here_.function_name()); 25 26 directory_->kernel_->transaction_mutex.Acquire(); 27 } 28 29 void BaseTransaction::Unlock() { 30 directory_->kernel_->transaction_mutex.Release(); 31 } 32 33 void BaseTransaction::OnUnrecoverableError( 34 const tracked_objects::Location& location, 35 const std::string& message) { 36 unrecoverable_error_set_ = true; 37 unrecoverable_error_location_ = location; 38 unrecoverable_error_msg_ = message; 39 40 // Note: We dont call the Directory's OnUnrecoverableError method right 41 // away. Instead we wait to unwind the stack and in the destructor of the 42 // transaction we would call the OnUnrecoverableError method. 43 44 directory()->ReportUnrecoverableError(); 45 } 46 47 bool BaseTransaction::unrecoverable_error_set() const { 48 return unrecoverable_error_set_; 49 } 50 51 void BaseTransaction::HandleUnrecoverableErrorIfSet() { 52 if (unrecoverable_error_set_) { 53 directory()->OnUnrecoverableError(this, 54 unrecoverable_error_location_, 55 unrecoverable_error_msg_); 56 } 57 } 58 59 BaseTransaction::BaseTransaction(const tracked_objects::Location& from_here, 60 const char* name, 61 WriterTag writer, 62 Directory* directory) 63 : from_here_(from_here), name_(name), writer_(writer), 64 directory_(directory), unrecoverable_error_set_(false) { 65 // TODO(lipalani): Don't issue a good transaction if the directory has 66 // unrecoverable error set. And the callers have to check trans.good before 67 // proceeding. 68 TRACE_EVENT_BEGIN2("sync", name_, 69 "src_file", from_here_.file_name(), 70 "src_func", from_here_.function_name()); 71 } 72 73 BaseTransaction::~BaseTransaction() { 74 TRACE_EVENT_END0("sync", name_); 75 } 76 77 } // namespace syncable 78 } // namespace syncer 79
