我正在使用 cocoaAsyncSocket。我从那里得到它。AsyncUdpSocket 对象仅在我初始化此对象时帮助我发送 IP 数据包。当我使用 [engineObject startSession] 调用其他控制器中的函数时,该函数正在工作,但 AsyncUdpSocket 对象不会发送任何 IP 数据包。它不会调用(或触发)委托方法:didSendDataWithTag 或 didNotSendDataWithTag .....
我做错了什么?
。H
#import <Foundation/Foundation.h>
#import "AsyncUdpSocket.h"
@interface Engine : NSObject{
AsyncUdpSocket *asyncUdpSocket;
}
@property (atomic, strong) AsyncUdpSocket *asyncUdpSocket;
- (id) init;
- (BOOL) startSession;
- (void) doSomething;
@end
.m
@implementation Engine
- (id) init {
[self doSomething]; //<-----<< It can send ip packet out
self = [super init];
[self doSomething]; //<-----<< It can send ip packet out, with wrong bind source port
if (self){
}
return self;
}
- (BOOL) startSession{
[self doSomething]; //<-----<< It won't send any ip packet out
[self oxox];
return YES;
}
- (void) oxox{
[self doSomething]; //<-----<< It won't send any ip packet out
}
- (void) doSomething{
NSError *socketError=nil;
asyncUdpSocket = [[AsyncUdpSocket alloc] initWithDelegate:self];
if (![asyncUdpSocket bindToPort:7701
error:&socketError]){
NSLog(@"RASEngine: Bind to Port fail");
}
[asyncUdpSocket enableBroadcast:NO error:&socketError];
uint8_t signalBytes[] = {0x07, 0x07, 0x01, 0x06, 0x12, 0x34, 0x56, 0x78};
NSData *signalData = [NSData dataWithBytes:signalBytes length:8];
[asyncUdpSocket sendData:signalData //<--------<< It is called every time, but doesn't send anything out.
toHost:@"192.168.16.18"
port:9902
withTimeout:-1
tag:0];
}
#pragma mark -
#pragma mark AsyncUdpSocket Delegate for UDP
- (void)onUdpSocket:(AsyncUdpSocket *)sock didSendDataWithTag:(long)tag{
NSLog(@"UDP Engine: onUdpSocket:didSendDataWithTag:%ld", tag);
}
- (void)onUdpSocket:(AsyncUdpSocket *)sock didNotSendDataWithTag:(long)tag dueToError:(NSError *)error{
NSLog(@"UDP Engine: onUdpSocket:didNotSendDataWithTag:%ld", tag);
}
@end