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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
// 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.
#ifndef SYNC_API_SYNC_ERROR_H_
#define SYNC_API_SYNC_ERROR_H_
#include <iosfwd>
#include <string>
#include "base/memory/scoped_ptr.h"
#include "sync/base/sync_export.h"
#include "sync/internal_api/public/base/model_type.h"
namespace tracked_objects {
class Location;
} // namespace tracked_objects
namespace syncer {
// Sync errors are used for debug purposes and handled internally and/or
// exposed through Chrome's "about:sync" internal page.
// This class is copy-friendly and thread-safe.
class SYNC_EXPORT SyncError {
public:
// Error types are used to distinguish general datatype errors (which result
// in the datatype being disabled) from actionable sync errors (which might
// have more complicated results).
enum ErrorType {
UNSET, // No error.
UNRECOVERABLE_ERROR, // An unrecoverable runtime error was encountered, and
// sync should be disabled completely.
DATATYPE_ERROR, // A datatype error was encountered, and the datatype
// should be disabled.
PERSISTENCE_ERROR, // A persistence error was detected, and the
// datataype should be associated after a sync update.
CRYPTO_ERROR, // A cryptographer error was detected, and the
// datatype should be associated after it is resolved.
};
// Default constructor refers to "no error", and IsSet() will return false.
SyncError();
// Create a new Sync error of type |error_type| triggered by |model_type|
// from the specified location. IsSet() will return true afterward. Will
// create and print an error specific message to LOG(ERROR).
SyncError(const tracked_objects::Location& location,
ErrorType error_type,
const std::string& message,
ModelType model_type);
// Copy and assign via deep copy.
SyncError(const SyncError& other);
SyncError& operator=(const SyncError& other);
~SyncError();
// Reset the current error to a new datatype error. May be called
// irrespective of whether IsSet() is true. After this is called, IsSet()
// will return true.
// Will print the new error to LOG(ERROR).
void Reset(const tracked_objects::Location& location,
const std::string& message,
ModelType type);
// Whether this is a valid error or not.
bool IsSet() const;
// These must only be called if IsSet() is true.
const tracked_objects::Location& location() const;
const std::string& message() const;
ModelType model_type() const;
ErrorType error_type() const;
// Returns empty string is IsSet() is false.
std::string ToString() const;
private:
// Print error information to log.
void PrintLogError() const;
// Make a copy of a SyncError. If other.IsSet() == false, this->IsSet() will
// now return false.
void Copy(const SyncError& other);
// Initialize the local error data with the specified error data. After this
// is called, IsSet() will return true.
void Init(const tracked_objects::Location& location,
const std::string& message,
ModelType model_type,
ErrorType error_type);
// Reset the error to it's default (unset) values.
void Clear();
// scoped_ptr is necessary because Location objects aren't assignable.
scoped_ptr<tracked_objects::Location> location_;
std::string message_;
ModelType model_type_;
ErrorType error_type_;
};
// gmock printer helper.
SYNC_EXPORT void PrintTo(const SyncError& sync_error, std::ostream* os);
} // namespace syncer
#endif // SYNC_API_SYNC_ERROR_H_
|
