Objective c 无法从tcp端口读取数据
我已经编写了从tcp端口3000读取数据的代码Objective c 无法从tcp端口读取数据,objective-c,ios,objective-c-blocks,Objective C,Ios,Objective C Blocks,我已经编写了从tcp端口3000读取数据的代码 - (BOOL)connect { int cIter = 0; while(cIter++<5) { CFReadStreamRef readStream; CFWriteStreamRef writeStream; @try{ CFStreamCreatePairWithSocketToHost(NULL, (__bridge CFStringRef)M_CONNECT_HOST, M_CONNEC
- (BOOL)connect
{
int cIter = 0;
while(cIter++<5)
{
CFReadStreamRef readStream;
CFWriteStreamRef writeStream;
@try{
CFStreamCreatePairWithSocketToHost(NULL, (__bridge CFStringRef)M_CONNECT_HOST, M_CONNECT_PORT, &readStream, &writeStream);
}
@catch (NSException *ex) {
}
if(readStream!=nil && writeStream!=nil)
{
m_sin = (__bridge NSInputStream *)readStream;
m_sout = (__bridge NSOutputStream *)writeStream;
[m_sin setDelegate:self];
[m_sout setDelegate:self];
[m_sin scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
[m_sout scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
[m_sin open];
[m_sout open];
return true;
}
}
return false;
}
-(BOOL)连接
{
int cIter=0;
而(cIter++实现handleEvent并检查事件代码
-(void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode{
switch (eventCode) {
case NSStreamEventOpenCompleted:
NSLog(@"stream opened");
break;
case NSStreamEventHasBytesAvailable:
if (aStream == inputStream) {
// read it in
unsigned int len = 0;
len = [inputStream read:buf maxLength:1019];
buf[len] = '\0';
if(!len) {
if ([aStream streamStatus] != NSStreamStatusAtEnd){
NSLog(@"Failed reading data from peer");
}
} else {
//I am reading UIImage here
NSData *data = [NSData dataWithBytes:(const void *)buf length:1019];
UIImage *image = [UIImage imageWithData:data];
self.transferedimage.image = image;
}
}
break;
case NSStreamEventErrorOccurred:
NSLog(@"stream ErrorOccurred");
break;
case NSStreamEventEndEncountered:
NSLog(@"stream EndEncountered");
break;
default:
NSLog(@"stream UnKnown");
break;
}
}
[NSInputStream streamError]
返回什么?[NSInputStream streamError]返回“操作无法完成。地址不正确”我尝试使用您的代码,但此“案例nsStreamVenthasbytesAvailable:“案例永远都不是真的使用本教程首先创建基于套接字的iPhone应用程序,或者查看它