keychain/ckks/CKKSLogging.m

   1
   2 #import <Foundation/Foundation.h>
   3 #import "keychain/ckks/CKKS.h"
   4
   5 os_log_t CKKSLogObject(NSString* scope, NSString* _Nullable zoneName)
   6 {
   7     __block os_log_t ret = OS_LOG_DISABLED;
   8
   9     static dispatch_queue_t logQueue = nil;
  10     static dispatch_once_t onceToken;
  11     dispatch_once(&onceToken, ^{
  12         logQueue = dispatch_queue_create("ckks-logger", DISPATCH_QUEUE_SERIAL_WITH_AUTORELEASE_POOL);
  13     });
  14
  15     static NSMutableDictionary* scopeMap = nil;
  16
  17     dispatch_sync(logQueue, ^{
  18         if(scopeMap == nil) {
  19             scopeMap = [NSMutableDictionary dictionary];
  20         }
  21
  22         NSString* key = zoneName ? [scope stringByAppendingFormat:@"-%@", zoneName] : scope;
  23
  24         ret = scopeMap[key];
  25
  26         if(!ret) {
  27             ret = os_log_create("com.apple.security.ckks", [key cStringUsingEncoding:NSUTF8StringEncoding]);
  28             scopeMap[key] = ret;
  29         }
  30     });
  31
  32     return ret;
  33 }