udpSocket

来源：互联网发布：外套淘宝详情页编辑：程序博客网时间：2024/06/06 00:52

// ViewController.m

// UdpSocket

// Created by tangqinglong on 14-7-3.

#import "ViewController.h"

#import "AsyncUdpSocket.h"

@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>

@property (weak, nonatomic) IBOutletUITextField *sendMessage;

@property (weak, nonatomic) IBOutletUITableView *tableView;

@property (weak, nonatomic) IBOutletUITextView *textView;

@property (strong,nonatomic)AsyncUdpSocket* udpSocket;

@property (weak, nonatomic) IBOutletUISwitch *onOffswitch;

@property (strong,nonatomic)NSMutableArray* hostOnlines;

@end

@implementation ViewController

- (void)viewDidLoad

{

[superviewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

self.hostOnlines = [NSMutableArrayarray];

// 三步操作

self.udpSocket = [[AsyncUdpSocketalloc]initWithDelegate:self];

// 绑定端口

[self.udpSocketbindToPort:9000error:nil];

// 设置为广播

[self.udpSocketenableBroadcast:YESerror:nil];

// 调用接收数据

[self.udpSocketreceiveWithTimeout:-1tag:0];

NSTimer* timer = [NSTimerscheduledTimerWithTimeInterval:2target:selfselector:@selector(checkHost)userInfo:nilrepeats:YES];

//self.tableView.delegate =self;

}

-(void)checkHost

{

// NSString 转化为NSData方法

NSData* data = [@"谁在线"dataUsingEncoding:NSUTF8StringEncoding];

[self.udpSocketsendData:data toHost:@"255.255.255.255"port:9000withTimeout:-1tag:0];

}

// 实现接收数据方法

-(BOOL)onUdpSocket:(AsyncUdpSocket *)sock didReceiveData:(NSData *)data withTag:(long)tag fromHost:(NSString *)host port:(UInt16)port

{

NSString* message =[[NSStringalloc]initWithData:dataencoding:NSUTF8StringEncoding];

if (![host hasPrefix:@":"])

{

NSLog(@"%@:%@",host,message);

if ([message isEqualToString:@"谁在线"])

{

//收到谁在线，应该回答对方，我在线

NSData* data = [@"我在线"dataUsingEncoding:NSUTF8StringEncoding];

[socksendData:data toHost:@"255.255.255.255"port:9000 withTimeout:-1 tag:0];

}

else if([messageisEqualToString:@"我在线"])

{

// 如果不存在host，将host加入hostOnlines

if (![self.hostOnlinescontainsObject:host])

{

[self.hostOnlinesaddObject:host];

[self.tableViewreloadData];

}

else

{

self.textView.text = [self.textView.textstringByAppendingFormat:@"%@:%@\n",host,message];

}

// 读后续数据

[sock receiveWithTimeout:-1tag:0];

return YES;

}

// 发送完成方法

-(void)onUdpSocket:(AsyncUdpSocket *)sock didSendDataWithTag:(long)tag

{

}

- (void)didReceiveMemoryWarning

{

[superdidReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (IBAction)sendAction:(id)sender

{

[self.sendMessageresignFirstResponder];

NSString* message = self.sendMessage.text;

NSData* data = [messagedataUsingEncoding:NSUTF8StringEncoding];

[self.udpSocketsendData:data toHost:@"255.255.255.255"port:9000withTimeout:-1tag:0];

}

- (IBAction)valueChanged:(id)sender

{

// on send message to everyone;

// off send message

}

#pragma tableView

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

NSLog(@"%d",self.hostOnlines.count);

returnself.hostOnlines.count;

}

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

return 1;

}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

static NSString *identyfier =@"Cell";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identyfier];

if (!cell)

{

cell = [[UITableViewCellalloc]initWithStyle:UITableViewCellStyleDefaultreuseIdentifier:identyfier];

}

NSLog(@"%lu", (long)indexPath.row);

NSLog(@"%@",self.hostOnlines[indexPath.row]);

cell.textLabel.text = [[self.hostOnlines[indexPath.row]componentsSeparatedByString:@"."]lastObject];

return cell;

}

@end

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