File: syncable_base_transaction.cc

package info (click to toggle)
chromium-browser 57.0.2987.98-1~deb8u1
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 2,637,852 kB
  • ctags: 2,544,394
  • sloc: cpp: 12,815,961; ansic: 3,676,222; python: 1,147,112; asm: 526,608; java: 523,212; xml: 286,794; perl: 92,654; sh: 86,408; objc: 73,271; makefile: 27,698; cs: 18,487; yacc: 13,031; tcl: 12,957; pascal: 4,875; ml: 4,716; lex: 3,904; sql: 3,862; ruby: 1,982; lisp: 1,508; php: 1,368; exp: 404; awk: 325; csh: 117; jsp: 39; sed: 37
file content (79 lines) | stat: -rw-r--r-- 2,465 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/sync/syncable/syncable_base_transaction.h"

#include "base/trace_event/trace_event.h"
#include "components/sync/syncable/directory.h"

namespace syncer {
namespace syncable {

// static
Id BaseTransaction::root_id() {
  return Id::GetRoot();
}

Directory* BaseTransaction::directory() const {
  return directory_;
}

void BaseTransaction::Lock() {
  TRACE_EVENT2("sync_lock_contention", "AcquireLock", "src_file",
               from_here_.file_name(), "src_func", from_here_.function_name());

  directory_->kernel()->transaction_mutex.Acquire();
}

void BaseTransaction::Unlock() {
  directory_->kernel()->transaction_mutex.Release();
}

void BaseTransaction::OnUnrecoverableError(
    const tracked_objects::Location& location,
    const std::string& message) {
  unrecoverable_error_set_ = true;
  unrecoverable_error_location_ = location;
  unrecoverable_error_msg_ = message;

  // Note: We dont call the Directory's OnUnrecoverableError method right
  // away. Instead we wait to unwind the stack and in the destructor of the
  // transaction we would call the OnUnrecoverableError method.

  directory()->ReportUnrecoverableError();
}

bool BaseTransaction::unrecoverable_error_set() const {
  return unrecoverable_error_set_;
}

void BaseTransaction::HandleUnrecoverableErrorIfSet() {
  if (unrecoverable_error_set_) {
    directory()->OnUnrecoverableError(this, unrecoverable_error_location_,
                                      unrecoverable_error_msg_);
  }
}

BaseTransaction::BaseTransaction(const tracked_objects::Location& from_here,
                                 const char* name,
                                 WriterTag writer,
                                 Directory* directory)
    : from_here_(from_here),
      name_(name),
      writer_(writer),
      directory_(directory),
      unrecoverable_error_set_(false) {
  // TODO(lipalani): Don't issue a good transaction if the directory has
  // unrecoverable error set. And the callers have to check trans.good before
  // proceeding.
  TRACE_EVENT_BEGIN2("sync", name_, "src_file", from_here_.file_name(),
                     "src_func", from_here_.function_name());
}

BaseTransaction::~BaseTransaction() {
  TRACE_EVENT_END0("sync", name_);
}

}  // namespace syncable
}  // namespace syncer