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improvements for thread safety ... use main thread for connections
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/ec/trunk@37887 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald
parent
96d11d9869
commit
c4dc8d4489
3 changed files with 90 additions and 44 deletions
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@ -1,3 +1,9 @@
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2014-05-16 Richard Frith-Macdonald <rfm@gnu.org>
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EcAlarmDestination.m: Perform all connection operations in
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main thread (forwarding etc) and ensure that we run the
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current run loop while waiting for startup and shutdown.
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2014-05-14 Richard Frith-Macdonald <rfm@gnu.org>
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* EcAlerter.m: fix bug processing alert emails
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@ -205,7 +205,8 @@
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@end
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/** Methods called internally to forward events to the remote target of
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* the receiver. These are provided for subclasses to override.
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* the receiver.
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* These methods must perform themselves in the main thread.
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*/
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@interface EcAlarmDestination (Forwarding)
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/** Forward an alarm event. */
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@ -36,6 +36,10 @@
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@interface EcAlarmDestination (Private)
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/* Make connection to destination host.
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*/
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- (void) _connect;
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/* Loss of connection ... clear destination.
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*/
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- (void) _connectionBecameInvalid: (id)connection;
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@ -137,6 +141,8 @@
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begin = [NSDate date];
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while (NO == [self isRunning])
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{
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NSDate *when;
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if ([begin timeIntervalSinceNow] < -5.0)
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{
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NSLog(@"alarm thread failed to start within 5 seconds");
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@ -146,7 +152,9 @@
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[self release];
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return nil;
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}
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[NSThread sleepForTimeInterval: 0.1];
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when = [[NSDate alloc] initWithTimeIntervalSinceNow: 0.1];
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[[NSRunLoop currentRunLoop] runMode: NSDefaultRunLoopMode beforeDate: when];
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[when release];
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}
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}
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return self;
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@ -295,12 +303,16 @@
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begin = [NSDate date];
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while (YES == [self isRunning])
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{
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NSDate *when;
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if ([begin timeIntervalSinceNow] < -5.0)
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{
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NSLog(@"alarm thread failed to stop within 5 seconds");
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return;
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}
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[NSThread sleepForTimeInterval: 0.1];
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when = [[NSDate alloc] initWithTimeIntervalSinceNow: 0.1];
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[[NSRunLoop currentRunLoop] runMode: NSDefaultRunLoopMode beforeDate: when];
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[when release];
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}
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}
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@ -340,20 +352,7 @@
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@implementation EcAlarmDestination (Private)
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- (void) _connectionBecameInvalid: (id)connection
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{
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[self setDestination: nil];
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}
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- (void) _timeout: (NSTimer*)t
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{
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[_alarmLock lock];
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if (NO == _inTimeout && YES == _isRunning)
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{
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_inTimeout = YES;
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NS_DURING
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{
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if ([_alarmQueue count] > 0)
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- (void) _connect
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{
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if (nil == (id)_destination)
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{
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@ -392,6 +391,23 @@
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}
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}
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}
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}
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- (void) _connectionBecameInvalid: (id)connection
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{
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[self setDestination: nil];
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}
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- (void) _timeout: (NSTimer*)t
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{
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[_alarmLock lock];
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if (NO == _inTimeout && YES == _isRunning)
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{
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_inTimeout = YES;
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NS_DURING
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{
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if ([_alarmQueue count] > 0)
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{
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// Do stuff here
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while ([_alarmQueue count] > 0)
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@ -461,7 +477,6 @@
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[_managedObjects addObject: m];
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[self domanageFwd: m];
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}
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[self alarmFwd: next];
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}
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}
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@ -504,7 +519,7 @@
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{
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if (YES == [s hasPrefix: m])
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{
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[self _unmanage: s];
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[self unmanageFwd: s];
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}
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}
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}
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@ -571,7 +586,14 @@
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- (void) alarmFwd: (EcAlarm*)event
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{
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if (NO == [NSThread isMainThread])
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{
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[self performSelectorOnMainThread: _cmd withObject: event waitUntilDone: NO];
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return;
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}
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[_alarmLock lock];
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NS_DURING
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[self _connect];
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[_destination alarm: event];
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NS_DURING
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[_backups makeObjectsPerformSelector: @selector(alarm:)
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@ -584,11 +606,19 @@
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[self setDestination: nil];
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NSLog(@"Problem sending alarm to destination ... %@", localException);
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NS_ENDHANDLER
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[_alarmLock unlock];
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}
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- (void) domanageFwd: (NSString*)managedObject
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{
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if (NO == [NSThread isMainThread])
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{
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[self performSelectorOnMainThread: _cmd withObject: managedObject waitUntilDone: NO];
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return;
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}
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[_alarmLock lock];
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NS_DURING
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[self _connect];
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[_destination domanage: managedObject];
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NS_DURING
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[_backups makeObjectsPerformSelector: @selector(domanage:)
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@ -601,11 +631,19 @@
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[self setDestination: nil];
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NSLog(@"Problem with domanage to destination ... %@", localException);
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NS_ENDHANDLER
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[_alarmLock unlock];
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}
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- (void) unmanageFwd: (NSString*)managedObject
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{
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if (NO == [NSThread isMainThread])
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{
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[self performSelectorOnMainThread: _cmd withObject: managedObject waitUntilDone: NO];
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return;
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}
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[_alarmLock lock];
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NS_DURING
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[self _connect];
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[_destination unmanage: managedObject];
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NS_DURING
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[_backups makeObjectsPerformSelector: @selector(unmanage:)
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@ -618,6 +656,7 @@
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[self setDestination: nil];
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NSLog(@"Problem with unmanage to destination ... %@", localException);
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NS_ENDHANDLER
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[_alarmLock unlock];
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}
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@end
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