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| Rev | Author | Line No. | Line |
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| 2 | pmbaty | 1 | #import "DDASLLogger.h" |
| 2 | |||
| 3 | #import <libkern/OSAtomic.h> |
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| 4 | |||
| 5 | /** |
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| 6 | * Welcome to Cocoa Lumberjack! |
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| 7 | * |
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| 8 | * The project page has a wealth of documentation if you have any questions. |
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| 9 | * https://github.com/CocoaLumberjack/CocoaLumberjack |
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| 10 | * |
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| 11 | * If you're new to the project you may wish to read the "Getting Started" wiki. |
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| 12 | * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted |
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| 13 | **/ |
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| 14 | |||
| 15 | #if ! __has_feature(objc_arc) |
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| 16 | #warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC). |
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| 17 | #endif |
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| 18 | |||
| 19 | |||
| 20 | @implementation DDASLLogger |
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| 21 | |||
| 22 | static DDASLLogger *sharedInstance; |
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| 23 | |||
| 24 | /** |
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| 25 | * The runtime sends initialize to each class in a program exactly one time just before the class, |
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| 26 | * or any class that inherits from it, is sent its first message from within the program. (Thus the |
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| 27 | * method may never be invoked if the class is not used.) The runtime sends the initialize message to |
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| 28 | * classes in a thread-safe manner. Superclasses receive this message before their subclasses. |
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| 29 | * |
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| 30 | * This method may also be called directly (assumably by accident), hence the safety mechanism. |
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| 31 | **/ |
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| 32 | + (void)initialize |
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| 33 | { |
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| 34 | static BOOL initialized = NO; |
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| 35 | if (!initialized) |
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| 36 | { |
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| 37 | initialized = YES; |
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| 38 | |||
| 39 | sharedInstance = [[[self class] alloc] init]; |
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| 40 | } |
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| 41 | } |
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| 42 | |||
| 43 | + (instancetype)sharedInstance |
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| 44 | { |
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| 45 | return sharedInstance; |
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| 46 | } |
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| 47 | |||
| 48 | - (id)init |
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| 49 | { |
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| 50 | if (sharedInstance != nil) |
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| 51 | { |
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| 52 | return nil; |
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| 53 | } |
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| 54 | |||
| 55 | if ((self = [super init])) |
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| 56 | { |
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| 57 | // A default asl client is provided for the main thread, |
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| 58 | // but background threads need to create their own client. |
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| 59 | |||
| 60 | client = asl_open(NULL, "com.apple.console", 0); |
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| 61 | } |
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| 62 | return self; |
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| 63 | } |
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| 64 | |||
| 65 | - (void)logMessage:(DDLogMessage *)logMessage |
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| 66 | { |
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| 67 | NSString *logMsg = logMessage->logMsg; |
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| 68 | |||
| 69 | if (formatter) |
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| 70 | { |
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| 71 | logMsg = [formatter formatLogMessage:logMessage]; |
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| 72 | } |
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| 73 | |||
| 74 | if (logMsg) |
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| 75 | { |
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| 76 | const char *msg = [logMsg UTF8String]; |
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| 77 | |||
| 78 | int aslLogLevel; |
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| 79 | switch (logMessage->logFlag) |
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| 80 | { |
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| 81 | // Note: By default ASL will filter anything above level 5 (Notice). |
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| 82 | // So our mappings shouldn't go above that level. |
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| 83 | |||
| 84 | case LOG_FLAG_ERROR : aslLogLevel = ASL_LEVEL_ALERT; break; |
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| 85 | case LOG_FLAG_WARN : aslLogLevel = ASL_LEVEL_CRIT; break; |
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| 86 | case LOG_FLAG_INFO : aslLogLevel = ASL_LEVEL_ERR; break; |
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| 87 | case LOG_FLAG_DEBUG : aslLogLevel = ASL_LEVEL_WARNING; break; |
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| 88 | default : aslLogLevel = ASL_LEVEL_NOTICE; break; |
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| 89 | } |
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| 90 | |||
| 91 | asl_log(client, NULL, aslLogLevel, "%s", msg); |
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| 92 | } |
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| 93 | } |
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| 94 | |||
| 95 | - (NSString *)loggerName |
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| 96 | { |
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| 97 | return @"cocoa.lumberjack.aslLogger"; |
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| 98 | } |
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| 99 | |||
| 100 | @end |