FileLoggerCustom.m 2.0 KB

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  1. // _____ _
  2. // |_ _| |_ _ _ ___ ___ _ __ __ _
  3. // | | | ' \| '_/ -_) -_) ' \/ _` |_
  4. // |_| |_||_|_| \___\___|_|_|_\__,_(_)
  5. //
  6. // Threema iOS Client
  7. // Copyright (c) 2019-2020 Threema GmbH
  8. //
  9. // This program is free software: you can redistribute it and/or modify
  10. // it under the terms of the GNU Affero General Public License, version 3,
  11. // as published by the Free Software Foundation.
  12. //
  13. // This program is distributed in the hope that it will be useful,
  14. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. // GNU Affero General Public License for more details.
  17. //
  18. // You should have received a copy of the GNU Affero General Public License
  19. // along with this program. If not, see <https://www.gnu.org/licenses/>.
  20. #import <Foundation/Foundation.h>
  21. #import "FileLoggerCustom.h"
  22. #import "LogFormatterCustom.h"
  23. @implementation FileLoggerCustom {
  24. }
  25. static dispatch_queue_t dispatchQueue;
  26. + (void)initialize {
  27. if (dispatchQueue == nil) {
  28. dispatchQueue = dispatch_queue_create("ch.threema.FileLoggerCustom.main", NULL);
  29. }
  30. }
  31. - (instancetype)initWithLogFile:(NSURL *)logFile
  32. {
  33. self = [super init];
  34. if (self) {
  35. _logFile = logFile;
  36. self->_logFormatter = [[LogFormatterCustom alloc] init];
  37. }
  38. return self;
  39. }
  40. - (void) logMessage:(DDLogMessage *)logMessage {
  41. NSString *logMsg = logMessage.message;
  42. if (self->_logFormatter)
  43. logMsg = [self->_logFormatter formatLogMessage:logMessage];
  44. if (logMsg) {
  45. dispatch_sync(dispatchQueue, ^{
  46. /* append to log file */
  47. FILE *f = fopen([[_logFile path] UTF8String], "a");
  48. if (f != NULL) {
  49. NSData *strdata = [[NSString stringWithFormat:@"%@\n", logMsg] dataUsingEncoding:NSUTF8StringEncoding];
  50. fwrite(strdata.bytes, 1, strdata.length, f);
  51. fsync(fileno(f));
  52. }
  53. fclose(f);
  54. });
  55. }
  56. }
  57. @end