iOS socket编程

客户端

消息模型

//

//  MsgModel.h

//  socket(client)

//

//  Created by zmx on 16/1/8.

//  Copyright © 2016年 zmx. All rights reserved.

//

#import <Foundation/Foundation.h>

@interface MsgModel : NSObject

@property (nonatomic,copy) NSString *msg;

@property (nonatomic,assign) BOOL me;

@end

//

//  MsgModel.m

//  socket(client)

//

//  Created by zmx on 16/1/8.

//  Copyright © 2016年 zmx. All rights reserved.

//

#import "MsgModel.h"

@implementation MsgModel

@end

消息Cell

//

//  MsgCell.h

//  socket(client)

//

//  Created by zmx on 16/1/8.

//  Copyright © 2016年 zmx. All rights reserved.

//

#import <UIKit/UIKit.h>

@interface MsgCell :UITableViewCell

@property (weak, nonatomic) IBOutletUILabel *label;

@end

//

//  MsgCell.m

//  socket(client)

//

//  Created by zmx on 16/1/8.

//  Copyright © 2016年 zmx. All rights reserved.

//

#import "MsgCell.h"

@implementation MsgCell

- (void)awakeFromNib {

    // Initialization code

}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {

    [super setSelected:selectedanimated:animated];

    // Configure the view for the selected state

}

@end

//

//  ViewController.m

//  socket(client)

//

//  Created by zmx on 16/1/7.

//  Copyright © 2016年 zmx. All rights reserved.

//

#import "ViewController.h"

#import "MsgModel.h"

#import "MsgCell.h"

#import "GCDAsyncSocket.h"

@interface ViewController () <GCDAsyncSocketDelegate,UITableViewDataSource>

@property (weak, nonatomic) IBOutletUITableView *tableView;

@property (weak, nonatomic) IBOutletUIView *ReplyView;

@property (weak, nonatomic) IBOutletUITextField *textField;

@property (weak, nonatomic) IBOutletNSLayoutConstraint *bottomConstraint;

@property (nonatomic,strong) GCDAsyncSocket *socket;

@property (nonatomic,strong) GCDAsyncSocket *server;

@property (nonatomic,strong) NSMutableArray *msgs;

@end

@implementation ViewController

- (NSMutableArray *)msgs {

    if (_msgs ==nil) {

        _msgs = [NSMutableArrayarray];

    }

    return _msgs;

}

- (IBAction)send:(id)sender {

    [self.viewendEditing:YES];

    NSString *str = self.textField.text;

    [self.serverwriteData:[strdataUsingEncoding:NSUTF8StringEncoding]withTimeout:-1tag:0];

    self.textField.text =@"";

    

    MsgModel *msgModel = [[MsgModelalloc] init];

    msgModel.msg = str;

    msgModel.me = YES;

    [self.msgsaddObject:msgModel];

    [self.tableViewreloadData];

}

- (void)viewDidLoad {

    [superviewDidLoad];

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

    self.socket = [[GCDAsyncSocketalloc] initWithDelegate:selfdelegateQueue:dispatch_get_global_queue(0,0) socketQueue:dispatch_get_main_queue()];

    [self.socketconnectToHost:@"192.168.1.107"onPort:2345error:nil];

    

    NSTimer *timer = [NSTimerscheduledTimerWithTimeInterval:1 /60.0 target:selfselector:@selector(updateTimer)userInfo:nilrepeats:YES];

    [[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];

    

    self.tableView.estimatedRowHeight =100;

    self.tableView.rowHeight =UITableViewAutomaticDimension;

    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;

    

    [[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(changeFrame:)name:UIKeyboardWillChangeFrameNotificationobject:nil];

}

- (void)dealloc {

    [[NSNotificationCenterdefaultCenter] removeObserver:self];

}

- (void)changeFrame:(NSNotification *)notification {

    CGFloat y = ((NSValue *)notification.userInfo[UIKeyboardFrameEndUserInfoKey]).CGRectValue.origin.y;

    self.bottomConstraint.constant = [UIScreenmainScreen].bounds.size.height - y;

    [UIViewanimateWithDuration:0.25animations:^{

        [self.viewlayoutIfNeeded];

    }];

}

- (void)updateTimer {

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

}

- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port {

    self.server = sock;

}

- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag {

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

    

    MsgModel *msgModel = [[MsgModelalloc] init];

    msgModel.msg = str;

    msgModel.me = NO;

    [self.msgsaddObject:msgModel];

    

    dispatch_async(dispatch_get_main_queue(), ^{

        [self.tableViewreloadData];

    });

}

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

    return self.msgs.count;

}

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

    MsgModel *msgModel = self.msgs[indexPath.row];

    

    NSString *identifier = @"";

    if (msgModel.me) {

        identifier = @"Right";

    } else {

        identifier = @"Left";

    }

    

    MsgCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];

    if (cell == nil) {

        cell = [[[NSBundlemainBundle] loadNibNamed:identifierowner:niloptions:nil]firstObject];

    }

    cell.label.text = msgModel.msg;

    return cell;

}

@end

服务器端

//

//  ViewController.m

//  socket

//

//  Created by zmx on 16/1/7.

//  Copyright © 2016年 zmx. All rights reserved.

//

#import "ViewController.h"

#import "GCDAsyncSocket.h"

@interface ViewController () <GCDAsyncSocketDelegate>

@property (nonatomic,strong) GCDAsyncSocket *socket;

@property (nonatomic,strong) NSMutableArray *clients;

@end

@implementation ViewController

- (NSMutableArray *)clients {

    if (_clients ==nil) {

        _clients = [NSMutableArrayarray];

    }

    return_clients;

}

- (void)viewDidLoad {

    [superviewDidLoad];

    

    self.socket = [[GCDAsyncSocketalloc] initWithDelegate:selfdelegateQueue:dispatch_get_global_queue(0,0) socketQueue:dispatch_get_main_queue()];

    [self.socketacceptOnInterface:@"192.168.1.107"port:2345error:nil];

    

    NSTimer *timer = [NSTimerscheduledTimerWithTimeInterval:1 /60.0 target:selfselector:@selector(updateTimer)userInfo:nilrepeats:YES];

    [[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];

}

- (void)updateTimer {

    for (GCDAsyncSocket *socketin self.clients) {

        [socket readDataWithTimeout:-1tag:0];

    }

}

- (void)socket:(GCDAsyncSocket *)sock didAcceptNewSocket:(GCDAsyncSocket *)newSocket {

    [newSocket writeData:[@"asdsd"dataUsingEncoding:NSUTF8StringEncoding]withTimeout:-1tag:0];

    [self.clientsaddObject:newSocket];

}

- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag {

    for (GCDAsyncSocket *socketin self.clients) {

        if (socket != sock) {

            [socket writeData:data withTimeout:-1 tag:0];

        }

    }

}

@end

运行结果

命令行显示

bogon:~ zmx$ telnet 192.168.1.107 2345

Trying 192.168.1.107...

Connected to bogon.

Escape character is '^]'.

asdsd  dkasf

adsjkv

ALKGN kladsvn

vjdbska djskv