ios客户端websocket的helloworld

ios8，xcode6
https://github.com/square/SocketRocket
https://github.com/killinux/SocketRocket
中的一个文件夹SocketRocket，3包含三个文件
SRWebSocket.h
SRWebSocket.m
SocketRocket-Prefix.pch
copy到工程中

//
//  ViewController.h
//  TestWebs
//
//  Created by xiao7 on 14-10-9.
//  Copyright (c) 2014年 killinux. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "SocketRocket/SRWebSocket.h"


@interface ViewController : UIViewController<SRWebSocketDelegate>
{
    SRWebSocket *webSocket;
    
}
@end

//
//  ViewController.m
//  TestWebs
//
//  Created by xiao7 on 14-10-9.
//  Copyright (c) 2014年 killinux. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UILabel *showTxt;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    webSocket.delegate = nil;
    [webSocket close];
    webSocket = [[SRWebSocket alloc] initWithURLRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"ws://192.168.0.102:8887"]]];
    webSocket.delegate = self;
    [webSocket open];
    NSLog(@"open success!");
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
- (void)webSocketDidOpen:(SRWebSocket *)webSocket;
{
    NSLog(@"Websocket Connected");
    self.title = @"Connected!";
}

- (void)webSocket:(SRWebSocket *)webSocket didFailWithError:(NSError *)error;
{
    NSLog(@":( Websocket Failed With Error %@", error);
    webSocket = nil;
}

- (void)webSocket:(SRWebSocket *)webSocket didReceiveMessage:(id)message;
{
    NSLog(@"Received \"%@\"", message);
    self.showTxt.text = message;
}

- (void)webSocket:(SRWebSocket *)webSocket didCloseWithCode:(NSInteger)code reason:(NSString *)reason wasClean:(BOOL)wasClean;
{
    NSLog(@"WebSocket closed");
    self.title = @"Connection Closed! (see logs)";
    webSocket = nil;
}

@end

引入4个库
libicucore.dylib，CFNetwork.framework, Security.framework, Foundation.framework



server的例子参考
http://haoningabc.iteye.com/blog/2124605

以上部分参考
参考http://nonocast.cn/websocket-in-objective-c/
参考http://wenxin2009.iteye.com/blog/1707304
有出入