OLD | NEW |
---|---|
1 /* | 1 /* |
2 * libjingle | 2 * libjingle |
3 * Copyright 2015 Google Inc. | 3 * Copyright 2015 Google Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
(...skipping 10 matching lines...) Expand all Loading... | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 */ | 26 */ |
27 | 27 |
28 #import "RTCFileLogger.h" | 28 #import "RTCFileLogger.h" |
29 | 29 |
30 #include "webrtc/base/checks.h" | 30 #include "webrtc/base/checks.h" |
31 #include "webrtc/base/filerotatingstream.h" | |
31 #include "webrtc/base/logging.h" | 32 #include "webrtc/base/logging.h" |
33 #include "webrtc/base/logsinks.h" | |
32 #include "webrtc/base/scoped_ptr.h" | 34 #include "webrtc/base/scoped_ptr.h" |
33 #include "webrtc/base/stream.h" | |
34 | 35 |
35 NSString *const kDefaultLogFileName = @"webrtc.log"; | 36 NSString *const kDefaultLogDirName = @"webrtc_logs"; |
36 NSUInteger const kDefaultMaxFileSize = 10 * 1024 * 1024; // 10MB. | 37 NSUInteger const kDefaultMaxFileSize = 10 * 1024 * 1024; // 10MB. |
37 | 38 |
38 namespace rtc { | |
39 | |
40 class CircularFileStreamLogSink : public LogSink { | |
41 public: | |
42 // Creates a log sink that writes to the given stream. This log sink takes | |
43 // ownership of |stream|. | |
44 CircularFileStreamLogSink(CircularFileStream *stream) { | |
45 DCHECK(stream); | |
46 _stream.reset(stream); | |
47 } | |
48 | |
49 ~CircularFileStreamLogSink() override {} | |
50 | |
51 void OnLogMessage(const std::string &message) override { | |
52 if (_stream) { | |
53 _stream->WriteAll(message.data(), message.size(), nullptr, nullptr); | |
54 } | |
55 } | |
56 | |
57 CircularFileStream *GetStream() { return _stream.get(); } | |
58 | |
59 private: | |
60 scoped_ptr<CircularFileStream> _stream; | |
61 }; | |
62 | |
63 } // namespace rtc | |
64 | |
65 @implementation RTCFileLogger { | 39 @implementation RTCFileLogger { |
66 BOOL _hasStarted; | 40 BOOL _hasStarted; |
67 NSString *_filePath; | 41 NSString *_dirPath; |
68 NSUInteger _maxFileSize; | 42 NSUInteger _maxFileSize; |
69 rtc::scoped_ptr<rtc::CircularFileStreamLogSink> _logSink; | 43 rtc::scoped_ptr<rtc::CallSessionFileRotatingLogSink> _logSink; |
70 } | 44 } |
71 | 45 |
72 @synthesize severity = _severity; | 46 @synthesize severity = _severity; |
73 | 47 |
74 - (instancetype)init { | 48 - (instancetype)init { |
75 NSArray *paths = NSSearchPathForDirectoriesInDomains( | 49 NSArray *paths = NSSearchPathForDirectoriesInDomains( |
76 NSDocumentDirectory, NSUserDomainMask, YES); | 50 NSDocumentDirectory, NSUserDomainMask, YES); |
77 NSString *documentsDirPath = [paths firstObject]; | 51 NSString *documentsDirPath = [paths firstObject]; |
78 NSString *defaultFilePath = | 52 NSString *defaultDirPath = |
79 [documentsDirPath stringByAppendingPathComponent:kDefaultLogFileName]; | 53 [documentsDirPath stringByAppendingPathComponent:kDefaultLogDirName]; |
80 return [self initWithFilePath:defaultFilePath | 54 return [self initWithDirPath:defaultDirPath |
81 maxFileSize:kDefaultMaxFileSize]; | 55 maxFileSize:kDefaultMaxFileSize]; |
82 } | 56 } |
83 | 57 |
84 - (instancetype)initWithFilePath:(NSString *)filePath | 58 - (instancetype)initWithDirPath:(NSString *)dirPath |
85 maxFileSize:(NSUInteger)maxFileSize { | 59 maxFileSize:(NSUInteger)maxFileSize { |
86 NSParameterAssert(filePath.length); | 60 NSParameterAssert(dirPath.length); |
87 NSParameterAssert(maxFileSize); | 61 NSParameterAssert(maxFileSize); |
88 if (self = [super init]) { | 62 if (self = [super init]) { |
89 _filePath = filePath; | 63 BOOL isDir = NO; |
64 NSFileManager *fileManager = [NSFileManager defaultManager]; | |
65 if ([fileManager fileExistsAtPath:dirPath isDirectory:&isDir]) { | |
66 if (!isDir) { | |
67 // Bail if something already exists there. | |
68 return nil; | |
69 } | |
70 } else { | |
71 if (![fileManager createDirectoryAtPath:dirPath | |
72 withIntermediateDirectories:NO | |
73 attributes:nil | |
74 error:nil]) { | |
75 // Bail if we failed to create a directory. | |
76 return nil; | |
77 } | |
78 } | |
79 _dirPath = dirPath; | |
90 _maxFileSize = maxFileSize; | 80 _maxFileSize = maxFileSize; |
91 _severity = kRTCFileLoggerSeverityInfo; | 81 _severity = kRTCFileLoggerSeverityInfo; |
92 } | 82 } |
93 return self; | 83 return self; |
94 } | 84 } |
95 | 85 |
96 - (void)dealloc { | 86 - (void)dealloc { |
97 [self stop]; | 87 [self stop]; |
98 } | 88 } |
99 | 89 |
100 - (void)start { | 90 - (void)start { |
101 if (_hasStarted) { | 91 if (_hasStarted) { |
102 return; | 92 return; |
103 } | 93 } |
104 rtc::scoped_ptr<rtc::CircularFileStream> stream; | 94 _logSink.reset(new rtc::CallSessionFileRotatingLogSink(_dirPath.UTF8String, |
105 stream.reset(new rtc::CircularFileStream(_maxFileSize)); | 95 _maxFileSize)); |
106 _logSink.reset(new rtc::CircularFileStreamLogSink(stream.release())); | 96 if (!_logSink->Init()) { |
107 int error = 0; | 97 LOG(LS_ERROR) << "Failed to open log files at path: " |
108 if (!_logSink->GetStream()->Open(_filePath.UTF8String, "wb", &error)) { | 98 << _dirPath.UTF8String; |
109 LOG(LS_ERROR) << "Failed to open log file at path: " | |
110 << _filePath.UTF8String | |
111 << " Error: " | |
112 << error; | |
113 _logSink.reset(); | 99 _logSink.reset(); |
114 return; | 100 return; |
115 } | 101 } |
116 // TODO(tkchin): Log thead info on iOS, currently this doesn't do anything. | |
117 rtc::LogMessage::LogThreads(true); | 102 rtc::LogMessage::LogThreads(true); |
118 rtc::LogMessage::LogTimestamps(true); | 103 rtc::LogMessage::LogTimestamps(true); |
119 rtc::LogMessage::AddLogToStream(_logSink.get(), [self rtcSeverity]); | 104 rtc::LogMessage::AddLogToStream(_logSink.get(), [self rtcSeverity]); |
120 _hasStarted = YES; | 105 _hasStarted = YES; |
121 } | 106 } |
122 | 107 |
123 - (void)stop { | 108 - (void)stop { |
124 if (!_hasStarted) { | 109 if (!_hasStarted) { |
125 return; | 110 return; |
126 } | 111 } |
127 DCHECK(_logSink); | 112 DCHECK(_logSink); |
128 rtc::LogMessage::RemoveLogToStream(_logSink.get()); | 113 rtc::LogMessage::RemoveLogToStream(_logSink.get()); |
129 _hasStarted = NO; | 114 _hasStarted = NO; |
130 | 115 _logSink.reset(); |
131 // Read the ordered version of the log. | |
132 NSData *logData = [self reorderedLogData]; | |
133 NSError *error = nil; | |
134 // Write the ordered version back to disk. | |
135 if (![logData writeToFile:_filePath | |
136 options:NSDataWritingAtomic | |
137 error:&error]) { | |
138 LOG(LS_ERROR) << "Failed to rewrite log to disk at path: " | |
139 << _filePath.UTF8String; | |
140 if (error) { | |
141 LOG(LS_ERROR) << "Error: " << error.localizedDescription.UTF8String; | |
142 } | |
143 } else { | |
144 // If we succeeded in writing to disk we don't need to hold on to the | |
145 // stream anymore. | |
146 _logSink.reset(); | |
147 } | |
148 } | 116 } |
149 | 117 |
150 - (NSData *)logData { | 118 - (NSData *)logData { |
151 if (_hasStarted) { | 119 if (_hasStarted) { |
152 return nil; | 120 return nil; |
153 } | 121 } |
154 if (!_logSink.get()) { | 122 NSMutableData* logData = [NSMutableData data]; |
155 // If there isn't a previously used stream just return contents of file. | 123 rtc::scoped_ptr<rtc::CallSessionFileRotatingStream> stream( |
156 return [[self class] contentsOfFileAtPath:_filePath]; | 124 new rtc::CallSessionFileRotatingStream(_dirPath.UTF8String)); |
125 if (!stream->Open()) { | |
126 return logData; | |
157 } | 127 } |
158 return [self reorderedLogData]; | 128 const size_t bufferSize = 1024; |
129 size_t read = 0; | |
130 rtc::scoped_ptr<uint8_t[]> buffer(new uint8_t[bufferSize]); | |
131 do { | |
132 stream->ReadAll(buffer.get(), bufferSize, &read, nullptr); | |
133 [logData appendBytes:buffer.get() length:read]; | |
134 } while (read > 0); | |
jiayl2
2015/07/22 21:17:33
Do we need the loop because ReadAll may exit when
tkchin_webrtc
2015/07/22 23:01:39
No, it's because the buffer may be too big or too
jiayl2
2015/07/22 23:35:01
Ah, I see. I think this is fine.
| |
135 return logData; | |
159 } | 136 } |
160 | 137 |
161 #pragma mark - Private | 138 #pragma mark - Private |
162 | 139 |
163 + (NSData *)contentsOfFileAtPath:(NSString *)path { | |
164 NSError *error = nil; | |
165 NSData *contents = [NSData dataWithContentsOfFile:path | |
166 options:0 | |
167 error:&error]; | |
168 if (error) { | |
169 LOG(LS_ERROR) << "Failed to read contents of file at path: " | |
170 << path.UTF8String | |
171 << " Error: " | |
172 << error.localizedDescription.UTF8String; | |
173 return nil; | |
174 } | |
175 return contents; | |
176 } | |
177 | |
178 - (NSData *)reorderedLogData { | |
179 if (_hasStarted || !_logSink.get()) { | |
180 return nil; | |
181 } | |
182 // We have a stream we used for writing in memory and we're not writing. The | |
183 // stream has a pointer to where the log boundary is so it can reorder the | |
184 // log correctly. We just need to reopen the file in read mode. | |
185 int error = 0; | |
186 rtc::CircularFileStream *stream = _logSink->GetStream(); | |
187 if (!stream->Open(_filePath.UTF8String, "r", &error)) { | |
188 LOG(LS_ERROR) << "Failed to open log file at path: " | |
189 << _filePath.UTF8String | |
190 << " Error: " | |
191 << error; | |
192 return nil; | |
193 } | |
194 size_t logSize = 0; | |
195 size_t bytesRead = 0; | |
196 error = 0; | |
197 if (!stream->GetSize(&logSize)) { | |
198 LOG(LS_ERROR) << "Failed to get log file size."; | |
199 return nil; | |
200 } | |
201 // Allocate memory using malloc so we can pass it direcly to NSData without | |
202 // copying. | |
203 rtc::scoped_ptr<uint8_t[]> buffer(static_cast<uint8_t*>(malloc(logSize))); | |
204 if (stream->ReadAll(buffer.get(), logSize, &bytesRead, &error) | |
205 != rtc::SR_SUCCESS) { | |
206 LOG(LS_ERROR) << "Failed to read log file at path: " | |
207 << _filePath.UTF8String | |
208 << " Error: " | |
209 << error; | |
210 } | |
211 DCHECK_LE(bytesRead, logSize); | |
212 // NSData takes ownership of the bytes and frees it on dealloc. | |
213 return [NSData dataWithBytesNoCopy:buffer.release() | |
214 length:bytesRead]; | |
215 } | |
216 | |
217 - (rtc::LoggingSeverity)rtcSeverity { | 140 - (rtc::LoggingSeverity)rtcSeverity { |
218 switch (_severity) { | 141 switch (_severity) { |
219 case kRTCFileLoggerSeverityVerbose: | 142 case kRTCFileLoggerSeverityVerbose: |
220 return rtc::LS_VERBOSE; | 143 return rtc::LS_VERBOSE; |
221 case kRTCFileLoggerSeverityInfo: | 144 case kRTCFileLoggerSeverityInfo: |
222 return rtc::LS_INFO; | 145 return rtc::LS_INFO; |
223 case kRTCFileLoggerSeverityWarning: | 146 case kRTCFileLoggerSeverityWarning: |
224 return rtc::LS_WARNING; | 147 return rtc::LS_WARNING; |
225 case kRTCFileLoggerSeverityError: | 148 case kRTCFileLoggerSeverityError: |
226 return rtc::LS_ERROR; | 149 return rtc::LS_ERROR; |
227 } | 150 } |
228 } | 151 } |
229 | 152 |
230 @end | 153 @end |
OLD | NEW |