iOS wifi(socket)通讯
2024-06-24 18:08:48
文章目录
- 1.集成第三方开源库 CocoaAsyncSocket
- 2.对第三库进行二次封装
- 3.用微信的Airkiss给机器人配网
- 4.iOS13后无法获取wifi名的解决
- 相关博客
1.集成第三方开源库 CocoaAsyncSocket
CocoaAsyncSocket
2.对第三库进行二次封装
RZSocketTools.h
//
// RZSocketTools.h
// UDPTest
//
// Created by on 17/3/8.
// Copyright © 2017年 刘. All rights reserved.
//#import <Foundation/Foundation.h>#define AUTO_RECONNECT_NAME @"AUTO_RECONNECT_NAME"typedef void(^ConnectStateBlock)(BOOL connectState);
typedef void(^RBServersBlock)(NSMutableArray *servers);
typedef void(^RBServerMsgBlock)(NSDictionary * msgDic);
typedef void(^RBGetEMIdMsgBlock)(NSDictionary *msgDic);@interface RZSocketTools : NSObject@property (nonatomic,copy) ConnectStateBlock connectStateBlock; //链接状态更新
@property (nonatomic,copy) RBServersBlock serverBlock; //获取搜索到的设备
@property (nonatomic,copy) RBGetEMIdMsgBlock getIdBlock; //获取到环信ID block
@property (nonatomic,copy) NSMutableArray *serverArrs; //UDP监听到的服务器数组
@property (nonatomic,assign) BOOL connectAuto; //是否自动重连
@property (nonatomic,assign) BOOL connectState; //机器人链接状态
@property (nonatomic,assign) BOOL udpReciveState; //判断是否有接受到UDP，没有接受到 弹出AirKiss 网络链接框+ (instancetype)shareSocketTool;- (void)scanNearServers; //搜索周围机器人
- (void)close;
- (void)connectRobot:(NSString*)robotName; //链接机器人
- (BOOL)sendMsgToRobot:(NSDictionary*)msgDic CallBack:(RBServerMsgBlock)msgBlock; //发送信息给机器人
- (void)disConnectRobot; //断开机器人链接@endRZSocketTools.m
//
// RZSocketTools.m
// UDPTest
//
// Created by on 17/3/8.
// Copyright © 2017年 . All rights reserved.
//#import "RZSocketTools.h"
#import "GCDAsyncUdpSocket.h"
#import "GCDAsyncSocket.h"
#import "common.h"
#import "Socket_Defines.h"#define UDP_PORT 30695
#define TCP_PORT 30690#define IOS_CLIENT @"X-ZERO-IOS"#define SERVER_NAME #define TCP_FIRST_TAG @"0"#define AUTO_CONNECT_MAX 6 //自动重连数据
#define AUTO_TIME_SPACE 5 //自动重连时间间隔
#define SEND_HEART_TIME_SPACE 13 //发送心跳包数据时间间隔 13
#define ACCEPT_HEART_TIME_SPACE 40 //未收到心跳包数据时间间隔 40@interface RZSocketTools()<GCDAsyncUdpSocketDelegate,GCDAsyncSocketDelegate>
{GCDAsyncUdpSocket *asyncUdpSocket; //UDPSocketGCDAsyncSocket *asyncSocket; //TCPSocketRBServerMsgBlock msgReveiceBlock; //消息回调NSTimer *sendTimer; //定时想服务器发送消息，保持服务器socket不断NSString *connectName; //连接的设备名称NSDictionary *currentPacketHead;
// BOOL sendHeartFlag; //发送心跳包数据标志量 SEND_HEART_TIME_SPACE后不发送NSTimer *noSendTimer; //断开连接的轮训 60s未收到自动断开BOOL startAutoConnect; //开机自动重连
}
@endstatic RZSocketTools *socketTool = nil;
@implementation RZSocketTools+ (instancetype)shareSocketTool
{static dispatch_once_t onceToken;dispatch_once(&onceToken, ^{socketTool = [[super allocWithZone:NULL] init];[socketTool initSocket];});//lxaddlxif (!socketTool) {socketTool = [[super allocWithZone:NULL] init];[socketTool initSocket];}return socketTool;
}- (void)close{socketTool = nil;
}+ (id)allocWithZone:(struct _NSZone *)zone
{return [RZSocketTools shareSocketTool];
}- (id)copyWithZone:(struct _NSZone *)zone
{return [RZSocketTools shareSocketTool];
}#pragma mark - InitSocket
- (void)initSocket
{_serverArrs = [NSMutableArray arrayWithCapacity:15];asyncUdpSocket = [[GCDAsyncUdpSocket alloc] initWithDelegate:self delegateQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)];NSError *err = nil;[asyncUdpSocket enableBroadcast:YES error:&err];[asyncUdpSocket bindToPort:UDP_PORT error:&err];asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)];_connectState = NO;//是否收到UDP_udpReciveState = NO;//自动连接//这句是控制启动APP后首次扫描时，自动连接最后一次连接的设备的startAutoConnect = YES;sendTimer = [NSTimer timerWithTimeInterval:SEND_HEART_TIME_SPACE target:self selector:@selector(sendHeartData) userInfo:nil repeats:YES]; //定义心跳轮询connectName = [NSString string];//lx开心跳包，自动重连存到沙盒的机器人[socketTool autoConnectTcp:[UserDataHelper getUserData:AUTO_RECONNECT_NAME]]; //设置自动重连}#pragma mark - ConnectTcp//扫描周围的设备
- (void)scanNearServers
{[_serverArrs removeAllObjects];[asyncUdpSocket receiveOnce:nil];}//根据机器名字来链接TCP
- (void)connectRobot:(NSString*)robotName
{NSMutableArray *arr = _serverArrs;for (NSDictionary *dic in _serverArrs) {if ([dic[@"name"] isEqualToString:robotName]){NSError *err;[asyncSocket disconnect];//收到消息后反馈给robotNSData *clientData = [IOS_CLIENT dataUsingEncoding:NSUTF8StringEncoding];[asyncUdpSocket sendData:clientData toHost:dic[@"ip"] port:UDP_PORT withTimeout:2 tag:1];[NSThread sleepForTimeInterval:0.8];BOOL flag = [asyncSocket connectToHost:dic[@"ip"] onPort:TCP_PORT error:&err];connectName = robotName;NSLog(@"链接TCP%d,%@",flag,err);break;}}
}//给rb发送指令并且回调
- (BOOL)sendMsgToRobot:(NSDictionary*)msgDic CallBack:(RBServerMsgBlock)msgBlock
{// NSLog(@"给机器人发消息（未连接）%@",msgDic);if (!_connectState) {return NO;}NSLog(@"lxadd给机器人发的信息%@",msgDic);msgReveiceBlock = msgBlock;[socketTool sendMsgToRobot:msgDic];return YES;
}//断开TCP直接的链接
- (void)disConnectRobot
{NSLog(@"发断开连接");[asyncSocket disconnect];socketTool.connectAuto = NO;
}//自动重连
- (void)autoConnectTcp:(NSString*)robotName
{if (_connectAuto && ([robotName isEqualToString:[UserDataHelper getUserData:AUTO_RECONNECT_NAME]])) {//存到沙盒的机器人名字for (NSInteger i = 0; i < AUTO_CONNECT_MAX; i++) {NSTimeInterval autoTime = i * AUTO_TIME_SPACE + i*i; //重连4次NSTimer *autoTimer = [NSTimer timerWithTimeInterval:autoTime target:self selector:@selector(sendAutoConnect:) userInfo:nil repeats:NO]; //定义心跳重连[[NSRunLoop mainRunLoop] addTimer:autoTimer forMode:NSRunLoopCommonModes];}}
}- (void)sendAutoConnect:(NSTimer*)timer
{// NSLog(@"自动重连的心跳包");if (_connectState) {[timer invalidate];return;}[socketTool connectRobot:connectName];
}#pragma mark - UDPDelegate
- (void)udpSocket:(GCDAsyncUdpSocket *)sock didReceiveData:(NSData *)data fromAddress:(NSData *)address withFilterContext:(nullable id)filterContext
{// NSLog(@"lxaddl--udpDidReceiveData");//这里需要把robot-name，IP地址 记录下来;NSString *robotName = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];[asyncUdpSocket receiveOnce:nil];if ([robotName hasPrefix:SERVER_NAME] && [GCDAsyncUdpSocket isIPv4Address:address]) {_udpReciveState = YES;if (![_serverArrs containsObject:@{@"name":robotName,@"ip":[GCDAsyncUdpSocket hostFromAddress:address]}]) {NSMutableArray *testArr = _serverArrs;NSDictionary *dict = @{@"name":robotName,@"ip":[GCDAsyncUdpSocket hostFromAddress:address]};[_serverArrs addObject:@{@"name":robotName,@"ip":[GCDAsyncUdpSocket hostFromAddress:address]}];
// _serverArrs = [_serverArrs mutableCopy];if (socketTool.serverBlock) {dispatch_async(dispatch_get_main_queue(), ^{socketTool.serverBlock(_serverArrs);});}if ([robotName isEqualToString:[UserDataHelper getUserData:AUTO_RECONNECT_NAME]] && startAutoConnect) { //开机自动连接
// NSLog(@"开机自动连接");
// NSString *str = [UserDataHelper getUserData:AUTO_RECONNECT_NAME];
//
// [self connectRobot:[UserDataHelper getUserData:AUTO_RECONNECT_NAME]];}}}}- (void)udpSocket:(GCDAsyncUdpSocket *)sock didSendDataWithTag:(long)tag
{NSLog(@"消息已经发送出去 ,%ld",tag);
}- (void)udpSocket:(GCDAsyncUdpSocket *)sock didNotSendDataWithTag:(long)tag dueToError:(NSError * _Nullable)error
{NSLog(@"消息并没有发送出去，请重试 ,%ld,err:%@",tag,error);
}- (void)udpSocket:(GCDAsyncUdpSocket *)sock didNotConnect:(NSError *)error
{assert(@"UDP 无法连接");
}- (void)udpSocketDidClose:(GCDAsyncUdpSocket *)sock withError:(NSError * _Nullable)error
{assert(@"UDP Socket 关闭");
}#pragma mark - TCPDelegate
- (void)socket:(GCDAsyncSocket *)sock didAcceptNewSocket:(GCDAsyncSocket *)newSocket
{NSLog(@"didAcceptNewSocket");
}//机器人连接成功
- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
{if (asyncSocket == nil) {asyncSocket = sock;}_connectAuto = NO;_connectState = YES;startAutoConnect = NO;if (socketTool.connectStateBlock) {dispatch_async(dispatch_get_main_queue(), ^{socketTool.connectStateBlock(_connectState);});}//把连到的机器人名字存进沙盒[UserDataHelper setUserData:connectName forKey:AUTO_RECONNECT_NAME];if (sendTimer.isValid) {[sendTimer setFireDate:[NSDate distantPast]];}//连接后开始发心跳包[[NSRunLoop mainRunLoop] addTimer:sendTimer forMode:NSRunLoopCommonModes]; //加入到RunLoop中[asyncSocket readDataToData:[GCDAsyncSocket CRLFData] withTimeout:-1 tag:1];}//lxadd读到机器人发来的数据
- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
{NSDictionary *dict = [NSJSONSerializationJSONObjectWithData:dataoptions:NSJSONReadingMutableContainerserror:nil];
// NSLog(@"读取到的数据包信息--==%@",dict);
// NSLog(@"currentPacktHead==%@",currentPacketHead);
// NSLog(@"当前线程=--%@",[NSThread currentThread]);//先读取到当前数据包头部信息if (!currentPacketHead) {//当第一次来的是心跳包的时候会出问题currentPacketHead = [NSJSONSerializationJSONObjectWithData:dataoptions:NSJSONReadingMutableContainerserror:nil];//NSLog(@"currentPacketHead---%@",currentPacketHead);NSUInteger packetLength = [currentPacketHead[@"size"] integerValue];if (packetLength == 0) {currentPacketHead = nil;return;}//读到数据包的大小
// NSLog(@"packetLength:---%ld",packetLength);[sock readDataToLength:packetLength withTimeout:-1 tag:1];return;}if (!currentPacketHead) {NSLog(@"error：当前数据包的头为空");//断开连接return;}//正式的包处理NSUInteger packetLength = [currentPacketHead[@"size"] integerValue];
// NSLog(@"packetLength--%zd",packetLength);//NSLog(@"data.length--%zd",data.length);
// NSLog(@"正式包数据--==%@",dict);//说明数据有问题 看正式包的长度是否与包头告诉你的长度一致if (packetLength <= 0 || data.length != packetLength) {NSLog(@"error：当前数据包数据大小不正确");currentPacketHead = nil;return;}NSString *aString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];id jsonMap = [JsonHelper fromJsonString:aString];if (([jsonMap[@"commondType"] integerValue] != 20)) {//表示回的不是心跳包，是有效数据dispatch_async(dispatch_get_main_queue(), ^{[UserDataHelper setUserData:jsonMap[@"robot_version"] forKey:ROBOT_VERSION];if (msgReveiceBlock) {NSLog(@"机器人传回的jsonMap==%@",jsonMap);msgReveiceBlock(jsonMap);// if ([jsonMap[@"commondType"] integerValue] == [PLAY_RESOURCE_DATA integerValue]){// NSNotification *notification =[NSNotification notificationWithName:@"fromRobot" object:nil userInfo:jsonMap];
// [[NSNotificationCenter defaultCenter] postNotification:notification];
// }}});}else{//表示回的是心跳包[UserDataHelper setUserData:jsonMap[@"hyID"] forKey:Robot_EM_ID];[noSendTimer invalidate];noSendTimer = nil;noSendTimer = [NSTimer scheduledTimerWithTimeInterval:ACCEPT_HEART_TIME_SPACE target:self selector:@selector(robotConnectTimeOut) userInfo:nil repeats:NO];static dispatch_once_t onceToken_id;dispatch_once(&onceToken_id, ^{if (_getIdBlock) {_getIdBlock(jsonMap);}});}currentPacketHead = nil;
// NSLog(@"fromRobot msg,currentPacketHead,%@",jsonMap);[asyncSocket readDataToData:[GCDAsyncSocket CRLFData] withTimeout:-1 tag:1];}- (void)robotConnectTimeOut
{// NSLog(@"检测是否收到心跳包的定定时器，40秒没收到说明断开了");_connectState = NO;if (socketTool.connectStateBlock) {dispatch_async(dispatch_get_main_queue(), ^{socketTool.connectStateBlock(_connectState);});}[noSendTimer invalidate];noSendTimer = nil;
}- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(nullable NSError *)err
{//lxaddlx 机器人连接失败的超时时长是oc的socket框架定的NSLog(@"lxaddlx已经断开连接了 TCP%@",err);_connectState = NO;if (socketTool.connectStateBlock) {dispatch_async(dispatch_get_main_queue(), ^{socketTool.connectStateBlock(_connectState);});}[sendTimer setFireDate:[NSDate distantFuture]];[socketTool autoConnectTcp:connectName];
}- (void)socketDidCloseReadStream:(GCDAsyncSocket *)sock
{NSLog(@"%@",sock);
}#pragma mark - Actions
- (void)sendHeartData
{//NSLog(@"来到发心跳包的定时器");if (!_connectState) {//关掉定时器[sendTimer invalidate];}NSDictionary *writeDic = @{@"commondType":@"19"};// NSLog(@"给机器人发心跳包%@",writeDic);NSMutableData *writeData = [NSMutableData dataWithData:[JsonHelper toJsonData:writeDic]];[writeData appendData:[GCDAsyncSocket CRLFData]];NSUInteger size = writeData.length;NSMutableDictionary *headDic = [NSMutableDictionary dictionary];[headDic setObject:[NSString stringWithFormat:@"%ld",(unsigned long)size] forKey:@"size"];NSData *jsonData = [JsonHelper toJsonData:headDic];// NSLog(@"写入Socket的心跳包%@",headDic);NSMutableData *mData = [NSMutableData dataWithData:jsonData];//分界[mData appendData:[GCDAsyncSocket CRLFData]];[mData appendData:writeData];// NSLog(@"sendHeartData:%@",mData);[asyncSocket writeData:mData withTimeout:-1 tag:1];}//给RB发送指令
- (void)sendMsgToRobot:(NSDictionary*)msgDic{NSMutableData *writeData = [NSMutableData dataWithData: [JsonHelper toJsonData:msgDic]];[writeData appendData:[GCDAsyncSocket CRLFData]];NSUInteger size = writeData.length;NSMutableDictionary *headDic = [NSMutableDictionary dictionary];[headDic setObject:[NSString stringWithFormat:@"%ld",size] forKey:@"size"];//NSLog(@"给机器人发的数据%@",headDic);NSData *jsonData = [JsonHelper toJsonData:headDic];NSMutableData *mData = [NSMutableData dataWithData:jsonData];//分界[mData appendData:[GCDAsyncSocket CRLFData]];[mData appendData:writeData];//NSLog(@"%@",writeData);[asyncSocket writeData:mData withTimeout:-1 tag:1];}@end3.用微信的Airkiss给机器人配网
4.iOS13后无法获取wifi名的解决
ios13无法获取wifi名（SSID）（亲测有效）
相关博客
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