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/*
* libjingle
* Copyright 2015 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import <Foundation/Foundation.h>
// TODO(tkchin): Move this to a common location.
#ifndef NS_DESIGNATED_INITIALIZER
#define NS_DESIGNATED_INITIALIZER
#endif
typedef NS_ENUM(NSUInteger, RTCFileLoggerSeverity) {
kRTCFileLoggerSeverityVerbose,
kRTCFileLoggerSeverityInfo,
kRTCFileLoggerSeverityWarning,
kRTCFileLoggerSeverityError
};
typedef NS_ENUM(NSUInteger, RTCFileLoggerRotationType) {
kRTCFileLoggerTypeCall,
kRTCFileLoggerTypeApp,
};
// This class intercepts WebRTC logs and saves them to a file. The file size
// will not exceed the given maximum bytesize. When the maximum bytesize is
// reached, logs are rotated according to the rotationType specified.
// For kRTCFileLoggerTypeCall, logs from the beginning and the end
// are preserved while the middle section is overwritten instead.
// For kRTCFileLoggerTypeApp, the oldest log is overwritten.
// This class is not threadsafe.
@interface RTCFileLogger : NSObject
// The severity level to capture. The default is kRTCFileLoggerSeverityInfo.
@property(nonatomic, assign) RTCFileLoggerSeverity severity;
// The rotation type for this file logger. The default is
// kRTCFileLoggerTypeCall.
@property(nonatomic, readonly) RTCFileLoggerRotationType rotationType;
// Default constructor provides default settings for dir path, file size and
// rotation type.
- (instancetype)init;
// Create file logger with default rotation type.
- (instancetype)initWithDirPath:(NSString *)dirPath
maxFileSize:(NSUInteger)maxFileSize;
- (instancetype)initWithDirPath:(NSString *)dirPath
maxFileSize:(NSUInteger)maxFileSize
rotationType:(RTCFileLoggerRotationType)rotationType
NS_DESIGNATED_INITIALIZER;
// Starts writing WebRTC logs to disk if not already started. Overwrites any
// existing file(s).
- (void)start;
// Stops writing WebRTC logs to disk. This method is also called on dealloc.
- (void)stop;
// Returns the current contents of the logs, or nil if start has been called
// without a stop.
- (NSData *)logData;
@end
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