CocoaAsyncSocket使用

代理的.h文件

#import <Foundation/Foundation.h>
#import "GCDAsyncSocket.h"
typedef void(^SR_DidReadData)(NSDictionary* didReadData);
/*
 */
@interface SocketRequest : NSObject<GCDAsyncSocketDelegate>
@property(nonatomic,copy)SR_DidReadData sr_DidReadData;
@property(nonatomic,retain)NSDictionary* sr_WriteData;
/**
 *  单例
 */
+(SocketRequest*)defaultSocket;
/**
 *  发送链接请求
 */
-(void)sr_StartConnect_WriteData:(NSDictionary*)writeData
                      ReviceData:(SR_DidReadData)reviceData;
 

.m文件

#import "SocketRequest.h"
#import "Public.h"
NSString* BoolValue(BOOL value)
{
    if (value)
    {
        return @"YES";
    }
    return @"NO";
}
@implementation SocketRequest
{
    GCDAsyncSocket* socket;
}
/**
 *  单例
 */
+(SocketRequest *)defaultSocket
{
    //socket只会实例化一次
    static SocketRequest* socket=nil;
    //保证线程安全，defaultSocket只执行一次
    static dispatch_once_t once;
    dispatch_once(&once, ^
                  {
                      socket=[[SocketRequest alloc] init];
                  });
    return socket;
}
/**
 *  初始化
 */
-(instancetype)init
{
    self=[super init];
    if (self)
    {
        socket=[[GCDAsyncSocket alloc] initWithDelegate:self
                                          delegateQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, )];
    }
    return self;
}
/**
 *  发送链接请求
 */
-(void)sr_StartConnect_WriteData:(NSDictionary*)writeData
                      ReviceData:(SR_DidReadData)reviceData
{
    //先确定断开连接再开始链接
    FunctionLog(@"%@",BoolValue(socket.isConnected));
    if (socket.isConnected)
    {
        [socket disconnect];
    }
    self.sr_WriteData=writeData;
    self.sr_DidReadData = reviceData;
    NSError* error;
    /*
     判断不准(目标地址未开判断为YES)
     */
    [socket connectToHost:SocketHost
                   onPort:SocketPort
                    error:&error];
    if (!socket.isConnected)
    {
        if (self.sr_DidReadData)
        {
            self.sr_DidReadData(nil);
        }
    }
}
#pragma mark - <GCDAsyncSocketDelegate>
/**
 *  发送数据成功
 */
-(void)socket:(GCDAsyncSocket *)sock
didWriteDataWithTag:(long)tag
{
    FunctionLog(@"socket_Success");
}
/**
 *  已经获取到数据
 */
-(void)socket:(GCDAsyncSocket *)sock
  didReadData:(NSData *)data
      withTag:(long)tag
{
    NSError* error=nil;
    id json=[NSJSONSerialization JSONObjectWithData:data
                                            options:NSJSONReadingAllowFragments
                                              error:&error];
    if (error)
    {
        FunctionLog(@"%@",error.localizedDescription);
    }
    else
    {
        if ([NSJSONSerialization isValidJSONObject:json])
        {
            FunctionLog(@"%@",json);
            if (self.sr_DidReadData)
            {
                self.sr_DidReadData(json);
            }
        }
    }
    [sock disconnect];
}
/**
 *  链接出错
 */
-(void)socketDidDisconnect:(GCDAsyncSocket *)sock
                 withError:(NSError *)err
{
    if (err)
    {
        FunctionLog(@"%@",err.localizedDescription);
        if (self.sr_DidReadData)
        {
            self.sr_DidReadData(nil);
        }
    }
}
/**
 *  链接成功
 */
-(void)socket:(GCDAsyncSocket *)sock
didConnectToHost:(NSString *)host
         port:(uint16_t)port
{
    if ([NSJSONSerialization isValidJSONObject:self.sr_WriteData])
    {
        NSError* error;
        //先转nsdata再转nsstring是为了保证nsdictionary格式不变
        NSData *nsDataUser= [NSJSONSerialization dataWithJSONObject:self.sr_WriteData
                                                            options:NSJSONWritingPrettyPrinted
                                                              error:&error];
        NSString* json=[[NSString alloc] initWithData:nsDataUser
                                             encoding:NSUTF8StringEncoding];
        json=[json stringByReplacingOccurrencesOfString:@"\n"
                                             withString:@""];
        json=[json stringByReplacingOccurrencesOfString:@" "
                                             withString:@""];
        json=[json stringByAppendingString:@"\n"];
        /*
         数据发送
         */
        [sock writeData:[json dataUsingEncoding:NSUTF8StringEncoding]
            withTimeout:
                    tag:];
        /*
         数据读取
         */
        [sock readDataWithTimeout:
                              tag:];
        if (error)
        {
            FunctionLog(@"%@",error.localizedDescription);
        }
    }
}
@end

 //nsstring上传需要加"\n"分隔符方可上传成功

/*
 [sock writeData:[@"ABCABCABCABCABCABC\n" dataUsingEncoding:NSUTF8StringEncoding]
 withTimeout:-1
 tag:0];
 */

使用

[[SocketRequest defaultSocket] sr_StartConnect_WriteData:@{}
                                                  ReviceData:^(NSDictionary *didReadData)
{}];