//
//  udp_data_class.m
//  myhome
//
//  Created by user on 12-10-31.
//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//

#import "UdpHelper.h"
#import "Sformat.h"
#import "Pub.h"
#import "Msg.h"

@interface UdpHelper (){
    
}


@end
@implementation UdpHelper{
    
}

- (void)Open{
    _sysinfo = [Pub getApp].sysinfo;
    _udp = [[AsyncUdpSocket alloc] initWithDelegate:self];
    //NSError *err = nil;
    //[_udp bindToPort:8366 error:&err];
    [_udp receiveWithTimeout:-1 tag:0];
    [self udp_send_thr_begin];
    _timer = [NSTimer scheduledTimerWithTimeInterval:1
                                              target:self selector:@selector(HeartBeat)
                                            userInfo:nil repeats:YES];
}

- (void)Resume{
    
    _udp = [[AsyncUdpSocket alloc] initWithDelegate:self];
    [_udp receiveWithTimeout:-1 tag:0];
}
- (void)udp_send_thr_begin
{
    _udp_datas = [[NSMutableArray alloc] init];
    udp_data_class *list;
    _udp_list = [[udp_data_class alloc] init];
    
    for (int i=0; i<BUFNUM; i++) {
        list = [[udp_data_class alloc] init];
        list.isUsed = FALSE;
        [_udp_datas addObject:list];
    }
    _udp_send_tag = YES;
    _udp_send_time = 0;
    [NSThread detachNewThreadSelector:@selector(udp_send_thr) toTarget:self withObject:nil];
    
}

//upd 线程
- (void)udp_send_thr{
    while(_udp_send_tag){
        while (_udp_send_time <= 0) {
            @try
            {
                [_udp_send_Condition wait];
                sleep(1);
            }
            @catch (NSException * e) {
            }
            //[NSThread sleepForTimeInterval:0.01];
            //NSLog(@"线程等待");
        }
        [_udp_send_Condition lock];
        //事件
        BOOL hasDataSend = YES;
        while (hasDataSend) {
            @try
            {
                hasDataSend = FALSE;
                for(int i=0; i<BUFNUM; i++) {
                    _udp_list = [_udp_datas objectAtIndex:i];
                    //NSLog(@"send to   i=%d, port = %d, _udp_datas.count = %lu", i, _udp_list.port, (unsigned long)_udp_datas.count);
                    if (_udp_list.isUsed) { //向服务器发送数据
                        NSLog(@"hasDataSend:i=%d", i);
                        if(_udp_list.sendtimes < _udp_list.sendtimesneed) { //发送时间超时判断
                            hasDataSend = YES;
                            _udp_list.sendtimes ++;
                            [_udp_datas replaceObjectAtIndex:i withObject:_udp_list];
                            [self performSelectorOnMainThread:@selector(sendDataInMain) withObject:nil waitUntilDone:YES];
                        }
                        else { //发送数据到服务器，超时 处理 无法连接
                            _udp_list.sendtimes = 0;
                            _udp_list.isUsed = FALSE;
                            [_udp_datas replaceObjectAtIndex:i withObject:_udp_list];
                            
                            Byte *bb = (Byte *)[_udp_list.data bytes];
                            switch (bb[6]) {
                                    
                                case 150:{//通话
                                    if(bb[8]==1) {
                                        
                                        
                                    }
                                    else if(bb[8]==10) {
                                        NSLog(@"开锁失败");
                                        [[Pub getApp] OpenDoorFail:[Pub getEquidFrombb:bb at:9]];
                                    }
                                    else if(bb[8]==30) {
                                        NSLog(@"停止通话失败");
                                        //[talk_class status_ini_onMain];
                                    }
                                }
                                    break;
                                case 152: {//监视
                                    if(bb[8]==1) {
                                        NSLog(@"监视失败");
                                        if([Pub getApp].callOut){
                                            dispatch_async(dispatch_get_main_queue(), ^{//转到主线程处理
                                                [[Pub getApp].callOut UIClose];
                                            });
                                            
                                        }
                                        else{
                                            //在主页开锁
                                            [[Pub getApp] OpenDoorFail:[Pub getEquidFrombb:bb at:9]];
                                        }
                                        
                                    }
                                    else if(bb[8]==10) {
                                        NSLog(@"开锁失败");
                                        [[Pub getApp] playSoundWith:SoundError];
                                        [[Pub getApp] OpenDoorFail:[Pub getEquidFrombb:bb at:9]];
                                    }
                                    else if(bb[8]==30) {
                                        NSLog(@"停止监视失败");
                                        //[talk_class status_ini_onMain];
                                    }
                                }
                                    break;
                                    
                                default:
                                    break;
                                    
                            }
                            
                        }
                    }
                    else{
                        
                    }
                }
                sleep(1);
            } @catch (NSException * e) {
                
            }
            
        }
        //[self performSelectorOnMainThread:@selector(refData) withObject:nil waitUntilDone:YES];
        //事件完
        _udp_send_time--;
        [_udp_send_Condition unlock];
    }
}

- (void)HeartBeat{
    //NSLog(@"HeartBeat");
    if ((YES == [_udp isClosed]) ) {
        _udp = [[AsyncUdpSocket alloc] initWithDelegate:self];
        //NSError *err = nil;
        //[_udp bindToPort:8366 error:&err];
        [_udp receiveWithTimeout:-1 tag:0];
    }
    
    @try
    {
        if (![_sysinfo.username isEqualToString:@""]) {
            if ([_sysinfo.token isEqualToString:@""]) return;
            //NSLog(@"%d,%ld,%d",_online,([Sformat timestamp]-_udp_last_report_time)/1000,sysinfo.reporttime);
            if (_online==NO || (([Sformat timestamp]-_udp_last_report_time)/1000 > _sysinfo.reporttime)) {//心跳包时间 如果没有收到_udp回应 则继续发
                _udp_last_report_time = [Sformat timestamp];
                Byte bb[110];
                /*
                 memset(bb, 0, 101);
                 [Pub addHead:@"XXXCID" toByte:bb];
                 bb[6] = 4;
                 bb[7] = 1;
                 [Pub addEquid:@"P18682150237" toByte:bb at:8];
                 //                [Pub addEquid:_sysinfo.equid toByte:bb at:8];
                 bb[20] = 0;
                 [Pub addMac:[Pub getMac] toByte:bb at:28];
                 [Pub addInt:0 toByte:bb at:34];
                 [Pub addEquid:[Pub getLocalIP] toByte:bb at:38];
                 //与协议区别
                 [Pub addGKB:@"token" toByte:bb at:50];
                 int len = [Pub addGKB:_sysinfo.token toByte:bb at:60];
                 [Pub addInt:len toByte:bb at:43];
                 NSData *data = [[NSData alloc] initWithBytes:bb length:60+len];
                 
                 //NSLog(@"HeartBeat: length = %ld , %@", data.length, [Sformat Hex:data]);
                 self.sysinfo.server_wan = @"192.168.254.23";//测试葛工地址
                 self.sysinfo.server_port = 8366;
                 NSLog(@"HeartBeat: 服务器=%@:%d; 本地端口 = %d  ",self.sysinfo.server_wan,self.sysinfo.server_port, _udp.localPort);]
                 */
                memset(bb, 0, 101);
                [Pub addHead:@"XXXCID" toByte:bb];
                bb[6] = 4;
                bb[7] = 1;
                [Pub addEquid:@"P18682150237" toByte:bb at:8];
                //                [Pub addEquid:_sysinfo.equid toByte:bb at:8];
                bb[20] = 0;
                [Pub addMac:@"02:00:00:00:00:00" toByte:bb at:28];
                //                [Pub addMac:[Pub getMac] toByte:bb at:28];
                [Pub addInt:0 toByte:bb at:34];
                [Pub addEquid:@"192.168.9.7" toByte:bb at:38];
                //                [Pub addEquid:[Pub getLocalIP] toByte:bb at:38];
                //与协议区别
                [Pub addGKB:@"token" toByte:bb at:50];
                int len = [Pub addGKB:@"b989fa15f75c2ac02718b7c9bb64f80e" toByte:bb at:60];
                //                int len = [Pub addGKB:_sysinfo.token toByte:bb at:60];
                
                [Pub addInt:len toByte:bb at:43];
                NSData *data = [[NSData alloc] initWithBytes:bb length:60+len];
                
                //打印数据
                NSMutableString *str = [[NSMutableString alloc] init];
                for (int i = 0; i < sizeof(bb); i++) {
                    [str appendFormat:@"%@", [NSString stringWithFormat:@"%d ", bb[i]]];
                }
                NSLog(@"\n%@", str);
                
                /*
                 storeDataInByteArray(bb, @"XXXCID", 0);//包头
                 storeDataInByteArray(bb, @(4), 6);//命令4
                 storeDataInByteArray(bb, @(1), 7);//命令类型1
                 storeDataInByteArray(bb, @"P18682150237", 8);//用户名
                 storeDataInByteArray(bb, @(0), 20);
                 storeDataInByteArray(bb, @(0), 28);//Mac地址
                 storeDataInByteArray(bb, @"0.0.0.0", 38);//IP地址
                 storeDataInByteArray(bb, @"token", 50);//Token
                 storeDataInByteArray(bb, @"34237b42ae0ef7eb8fa6c1adf3ccfabb", 60);//Token值
                 storeDataInByteArray(bb, @(32), 43);//Token值length
                 
                 NSMutableString *str = [[NSMutableString alloc] init];
                 for (int i = 0; i < sizeof(bb); i++) {
                 [str appendFormat:@"%@", [NSString stringWithFormat:@"%d ", bb[i]]];
                 }
                 NSLog(@"\n%@", str);
                 
                 NSData *data = [[NSData alloc] initWithBytes:bb length:60+32];
                 */
                
                [_udp sendData:data toHost:@"192.168.254.23" port:8366 withTimeout:-1 tag:0];
                
                //                if([Pub getApp].p2ptest){
                //                    [_udp sendData:data toHost:@"47.107.109.110" port:self.sysinfo.server_port withTimeout:-1 tag:0];
                //                }
                //[_udp sendData:data toHost:self.sysinfo.server_wan port:self.sysinfo.server_port withTimeout:-1 tag:0];
            }
            
            if (_online == YES && ([Sformat timestamp] - _udp_last_replay_time )/1000 > 3*_sysinfo.reporttime) {
                //[Msg alert:@"离线"];
                _online = NO;
            }
        }
        
    } @catch (NSException * ex) {
        NSLog(@"心跳包错误");
    }
    
}

void storeDataInByteArray(Byte a[], id data, NSUInteger index) {
    //    if (index >= sizeof(a)) {
    //        NSLog(@"索引超出数组容量。");
    //        return;
    //    }
    
    if ([data isKindOfClass:[NSString class]]) {
        NSString *stringValue = (NSString *)data;
        const char *utf8String = [stringValue UTF8String];
        NSUInteger stringLength = [stringValue lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
        memcpy(a + index, utf8String, stringLength);
    } else if ([data isKindOfClass:[NSNumber class]]) {
        NSNumber *numberValue = (NSNumber *)data;
        a[index] = [numberValue unsignedCharValue];
    } else {
        NSLog(@"不支持的数据类型。");
    }
}


- (BOOL)sendDataInMain
{
    //BOOL res =
    NSLog(@"sendDataInMain remoteip=%@;port=%d",_udp_list.toHost,_udp_list.port);
    //NSLog(@"sendDataInMain %@",[Sformat Hex:_udp_list.data]);
    //NSLog(@"sendDataInMain: 本地端口 = %d  ", _udp.localPort);
    [_udp sendData:_udp_list.data
            toHost:_udp_list.toHost
              port:_udp_list.port
       withTimeout:-1
               tag:0];
    //NSLog(@"数据长度：%lu",(unsigned long)_udp_list.data.length);
    //NSLog(@"%@:%d", _udp_list.toHost, _udp_list.port);
    return YES;
}
- (void)senddataInThr:(NSData *)data toHost:(NSString *)host toPort:(int)port at:(int)second setTag:(int)tag
{
    
    for (int i=0; i<BUFNUM; i++) {
        udp_data_class *list = [_udp_datas objectAtIndex:i];
        if (!list.isUsed) {
            NSLog(@"i=%d",i);
            list.isUsed = YES;
            list.sendtimes = 0;
            list.sendtimesneed = second;
            list.data = data;
            list.toHost = host;
            list.port = port;
            //list.byport = port;
            list.tag = tag;
            break;
        }
    }
    NSLog(@"time=%d", _udp_send_time);
    //if (udp_send_time<=0) {
    [_udp_send_Condition lock];
    _udp_send_time++;
    [_udp_send_Condition signal];
    [_udp_send_Condition unlock];
    //}
}
- (void)sendDataInMain:(Byte *)rr length:(int)len toHost:(NSString *)host toPort:(int)port
{
    NSData *data = [[NSData alloc] initWithBytes:rr length:len];
    NSArray *aa = [[NSArray alloc] initWithObjects:data, host, [[NSString alloc] initWithFormat:@"%d", port], nil];
    //[self performSelectorOnMainThread:@selector(sendDataInMain:) withObject:aa waitUntilDone:YES];
    dispatch_async(dispatch_get_main_queue(), ^{//转到主线程处理
        //NSLog(@"8302--%lu,%@:%d",(unsigned long)data.length,host,port);
        [_udp sendData:data
                toHost:host
                  port:port
           withTimeout:-1
                   tag:0];
    });
}
- (void)sendDataInMain:(NSArray *)a
{
    NSData *data = (NSData *)[a objectAtIndex:0];
    NSString *host = (NSString *)[a objectAtIndex:1];
    int port = [(NSString *)[a objectAtIndex:2] intValue];
    //NSLog(@"8302--%lu,%@:%d",(unsigned long)data.length,host,port);
    [_udp sendData:data
            toHost:host
              port:port
       withTimeout:-1
               tag:0];
}

//收到推送接听对讲页面
- (BOOL)onUdpSocket:(AsyncUdpSocket *)sock
     didReceiveData:(NSData *)data
            withTag:(long)tag
           fromHost:(NSString *)host
               port:(UInt16)port
{
    @try{
        Byte *bb = (Byte *)[data bytes];
        NSData *data1 = [[NSData alloc] initWithBytes:bb length:60+32];
        data = data1;
        if(data.length==1){
            if(bb[0]==0x30||bb[0]==0x31){
                NSLog(@"p2p打洞");
                if([Pub getApp].p2ptest)
                    [[Pub getApp].p2ptest GotDadong:bb Len:data.length Formip:host fromport:port];
            }
            [_udp receiveWithTimeout:-1 tag:0];
            return YES;
        }
        if (bb[6] == 4) {
            if(bb[7]==2){
                NSLog(@"心跳包反馈");
                //[[Pub getApp] playSoundWith:SoundOK];
                //if(_online == NO)[Msg alert:@"上线"];
                _online = YES;
                _udp_last_replay_time = [Sformat timestamp];
            }
            else if(bb[7]==3){
                [Msg alert:@"您已在其他设备登录"];
                //warnning
                //                dispatch_async(dispatch_get_main_queue(), ^{//转到主线程处理
                //                    //[Msg Alert:self Msg:ret];
                //                    [[Pub getApp] LogOut];
                //                    [Pub getApp].login = [[Login alloc] initWithNibName:@"Login" bundle:nil];
                //                    [Pub getApp].main = nil;
                //                    [Pub getApp].window.rootViewController = [Pub getApp].login ;
                //                    [[Pub getApp].window makeKeyAndVisible];
                //                });
                
                
            }
            
        }
        else if (bb[6] == 150) {
//            if( [Pub getApp].main == nil ){
//                [_udp receiveWithTimeout:-1 tag:0];
//                return YES;
//            }
            if( [Pub getApp].isBack){
                [_udp receiveWithTimeout:-1 tag:0];
                return YES;
            }
            //[[Pub getApp].main alert:@"呼叫"];
            if([Sformat timestamp] - [Pub getApp].sysinfo.launchtime < 2000 ){
                [_udp receiveWithTimeout:-1 tag:0];
                return YES;
            }
            //NSLog(@"对讲命令:%d",bb[6]&0xff);
            switch (bb[8]&0xff) {
                    NSLog(@"被呼叫2");
                case 1:
                    //被叫
                    [[Pub getApp].talk BeCall:bb Len:data.length Formip:host fromport:port];
                    break;
                    
                case 6:{//接听
                    if((bb[7]&0x3)==2){//被叫 接听反馈
                        NSLog(@"接听反馈");
                        [self stopSend:@"" rr6:150 rr8:6];
                        [[Pub getApp].talk talkOnRec:bb];
                    }
                }
                    break;
                case 7:
                case 8:{//音视频数据
                    //NSLog(@"音视频数据");
                    [[Pub getApp].talk getAVData:bb withLength:data.length];
                }
                    break;
                case 9:{//保持连接
                    if((bb[7]&0x3)==1){//对方保持连接
                        //NSLog(@"对方保持连接");
                        bb[7] = 2;
                        [[Pub getApp].udp.udp sendData:[[NSData alloc] initWithBytes:bb length:100]
                                                toHost:host
                                                  port:port
                                           withTimeout:-1
                                                   tag:0];
                        [Pub getApp].talk.connect_reg_time = [Sformat timestamp];
                    }
                    else{
                        //NSLog(@"保持连接反馈");
                        [Pub getApp].talk.connect_reg_time = [Sformat timestamp];
                    }
                }
                    break;
                case 10:{//开门反馈
                    if((bb[7]&0x3)==2){
                        NSLog(@"开门成功");
                        if([self stopSend:@"" rr6:150 rr8:10]>-1){
                            [[Pub getApp] OpenDoorSucc:[Pub getEquidFrombb:bb at:9]];
                        }
                        
                    }
                    else{
                        if([self stopSend:@"" rr6:150 rr8:10]>-1){
                            [[Pub getApp] OpenDoorFail:[Pub getEquidFrombb:bb at:9]];
                        }
                        
                    }
                }
                    break;
                case 30:{//对讲结束
                    if((bb[7]&0x3)==1){//对方结束对讲
                        NSLog(@"对方结束对讲");
                        bb[7] = 2;
                        [[Pub getApp].udp.udp sendData:[[NSData alloc] initWithBytes:bb length:100]
                                                toHost:host
                                                  port:port
                                           withTimeout:-1
                                                   tag:0];
                        [[Pub getApp].talk status_ini];
                        if([Pub getApp].callOut){
                            [[Pub getApp].callOut UIClose];
                        }
                    }
                    else{//结束对讲反馈
                        NSLog(@"结束对讲反馈");
                        [self stopSend:@"" rr6:150 rr8:30];
                    }
                }
                    break;
                case 140:{//p2p测试
                    if([Pub getApp].p2ptest)
                        [[Pub getApp].p2ptest GotMyPortInServer:bb Len:data.length Formip:host fromport:port];
                }
                    break;
                case 141:{//p2p测试
                    if([Pub getApp].p2ptest)
                        [[Pub getApp].p2ptest GotRemoteIp:bb Len:data.length Formip:host fromport:port];
                }
                    break;
                case 142:{//p2p测试
                    NSLog(@"p2p被叫");
                    if([Pub getApp].p2ptest)
                        [[Pub getApp].p2ptest GotCall:bb Len:data.length Formip:host fromport:port];
                }
                    break;
                case 144:
                case 143:{//p2p测试 NSAsk
                    NSLog(@"p2pNSAskNSAsk");
                    if([Pub getApp].p2ptest)
                        [[Pub getApp].p2ptest GotNSAsk:bb Len:data.length Formip:host fromport:port];
                }
                    break;
                default:
                    break;
            }
        }
        else if(bb[6] == 152){
            
            switch (bb[8]&0xff) {
                case 2://被叫
                    NSLog(@"对方忙");
                    [self stopSend:@"" rr6:152 rr8:1];
                    if([Pub getApp].callOut){
                        [[Pub getApp].callOut UIClose];
                    }
                    break;
                    
                case 4:{//监视成功
                    NSLog(@"监视成功");
                    [self stopSend:@"" rr6:152 rr8:1];
                    if([Pub getApp].callOut){
                        [[Pub getApp].talk watchSucc:bb Len:data.length Formip:host fromport:port];
                    }
                    else if([Pub getApp].main){
                        //                        [[Pub getApp].main OpendoorGo];
                        [[Pub getApp].main OpenDoorStep2];
                    }
                    
                    
                }
                    break;
                case 7:
                case 8:{//音视频数据
                    //NSLog(@"音视频数据");
                    [[Pub getApp].talk getAVData:bb withLength:data.length];
                }
                    break;
                case 9:{//保持连接
                    if((bb[7]&0x3)==1){//对方保持连接
                        //NSLog(@"对方保持连接");
                        bb[7] = 2;
                        [[Pub getApp].udp.udp sendData:[[NSData alloc] initWithBytes:bb length:100]
                                                toHost:host
                                                  port:port
                                           withTimeout:-1
                                                   tag:0];
                        [Pub getApp].talk.connect_reg_time = [Sformat timestamp];
                    }
                    else{
                        //NSLog(@"保持连接反馈");
                        [Pub getApp].talk.connect_reg_time = [Sformat timestamp];
                    }
                }
                    break;
                case 10:{//开门反馈
                    if((bb[7]&0x3)==2){
                        NSLog(@"开门成功");
                        if([self stopSend:@"" rr6:152 rr8:10]>-1){
                            [[Pub getApp] OpenDoorSucc:[Pub getEquidFrombb:bb at:9]];
                            
                            
                        }
                    }
                    else{
                        if([self stopSend:@"" rr6:152 rr8:10]>-1){
                            [[Pub getApp] OpenDoorFail:[Pub getEquidFrombb:bb at:9]];
                            
                        }
                        
                    }
                }
                    break;
                case 30:{//监视结束
                    if((bb[7]&0x3)==1){//对方结束监视
                        NSLog(@"对方结束监视");
                        bb[7] = 2;
                        [[Pub getApp].udp.udp sendData:[[NSData alloc] initWithBytes:bb length:100]
                                                toHost:host
                                                  port:port
                                           withTimeout:-1
                                                   tag:0];
                        [[Pub getApp].talk status_ini];
                        if([Pub getApp].callOut){
                            [[Pub getApp].callOut UIClose];
                        }
                    }
                    else{//结束监视反馈
                        NSLog(@"结束监视反馈");
                        [self stopSend:@"" rr6:150 rr8:30];
                    }
                }
                    break;
                default:
                    break;
            }
            
        }
    } @catch (NSException * ex) {
        NSLog(@"心跳包错误");
    }
    
    
    [_udp receiveWithTimeout:-1 tag:0];
    return YES;
}
- (int)stopSend:(NSString *)host rr6:(int)r6 rr8:(int)r8
{
    
    for (int i=0; i<BUFNUM; i++) {
        udp_data_class *list = [[udp_data_class alloc] init];
        list = [_udp_datas objectAtIndex:i];
        if (list.isUsed) {
            
            if( ([host isEqualToString:@""])|([list.toHost isEqualToString:host])) {
                Byte *bb=(Byte *)[list.data bytes];
                if (r8 == -1) {
                    if (bb[6]==r6) {
                        NSLog(@"clear");
                        list.isUsed = FALSE;
                        [_udp_datas replaceObjectAtIndex:i withObject:list];
                        
                        return i;
                    }
                }
                else {
                    if ((bb[6]==r6)&(bb[8]==r8)) {
                        NSLog(@"clear");
                        list.isUsed = FALSE;
                        [_udp_datas replaceObjectAtIndex:i withObject:list];
                        
                        return i;
                    }
                }
                
            }
        }
        else {
            
        }
    }
    return -1;
    
}

- (int)ChgSendIp:(NSString *)host rr6:(int)r6 rr8:(int)r8 Port:(int)port
{
    
    for (int i=0; i<BUFNUM; i++) {
        udp_data_class *list = [[udp_data_class alloc] init];
        list = [_udp_datas objectAtIndex:i];
        if (list.isUsed) {
            Byte *bb=(Byte *)[list.data bytes];
            if ((bb[6]==r6)&(bb[8]==r8)) {
                list.toHost = host;
                list.port = port;
                [_udp_datas replaceObjectAtIndex:i withObject:list];
                return i;
            }
            
        }
    }
    return -1;
    
}
- (int)stopSendDadong
{
    
    for (int i=0; i<BUFNUM; i++) {
        udp_data_class *list = [[udp_data_class alloc] init];
        list = [_udp_datas objectAtIndex:i];
        if (list.isUsed) {
            Byte *bb=(Byte *)[list.data bytes];
            if (list.data.length==1) {
                list.isUsed = FALSE;
                [_udp_datas replaceObjectAtIndex:i withObject:list];
                return i;
            }
            
        }
    }
    return -1;
    
}
- (int)stopSend:(NSString *)host rr6:(int)r6 rr8:(int)r8 Port:(int)port
{
    
    for (int i=0; i<BUFNUM; i++) {
        udp_data_class *list = [[udp_data_class alloc] init];
        list = [_udp_datas objectAtIndex:i];
        if (list.isUsed) {
            if(list.port !=port)continue;
            if( ([host isEqualToString:@""])|([list.toHost isEqualToString:host])) {
                Byte *bb=(Byte *)[list.data bytes];
                if (r8 == -1) {
                    if (bb[6]==r6) {
                        NSLog(@"clear");
                        list.isUsed = FALSE;
                        [_udp_datas replaceObjectAtIndex:i withObject:list];
                        
                        return i;
                    }
                }
                else {
                    if ((bb[6]==r6)&(bb[8]==r8)) {
                        NSLog(@"clear");
                        list.isUsed = FALSE;
                        [_udp_datas replaceObjectAtIndex:i withObject:list];
                        
                        return i;
                    }
                }
                
            }
        }
        else {
            
        }
    }
    return -1;
    
}
@end