我正在处理应用程序的流媒体部分。我需要把流进程放在后台线程,它使用NSinputstream和NSOutputstream。然后我在同一线程上通过这个流媒体通道发送http命令。我收到NSStreamEventOpenCompleted和NSStreamEventHasSpaceAvailable,我也收到服务器端的http请求,但它不会引发EVENT HAS BYTES AVAILABLE。我无法收到回复…我不知道有什么问题。以下是我的部分代码:
我正在使用的线程:
- (void)backgroundThread
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSLock *threadLock = [[NSLock alloc] init];
while (quitProcess)
{
if (queue.count > 0)
{
[threadLock lock];// Blocks other threads
cmdQueue = [queue copy];
[queue removeAllObjects];
[threadLock unlock];
}
else
{
sleep(1);
}
if (cmdQueue){
for (NSString* cmd in cmdQueue)
{
if ([cmd isEqualToString:@"subscribe"]){
[self openCmdLine];
}else if ([cmd isEqualToString:@"dataConnect"]){
[self dataConnect];
}else if ([cmd isEqualToString:@"openCmdLine"]){
[self openCmdLine];
}else if ([cmd isEqualToString:@"closeCmdLine"]){
[self closeCmdLine];
}else if ([cmd isEqualToString:@"handshake"]){
sleep(5);
[self cmdHandshake];
}else if ([cmd isEqualToString:@"topvol"]){
[self cmdTopVol];
}else{
//subscribe or unsubscribe
}
}
cmdQueue = nil;
}
}
[pool drain];
}
原因是NSRunloop,它负责连接回调,你应该把它放在你的代码