CocoaAsyncSocket, cocoaasyncsocket

CocoaAsyncSocket, cocoaasyncsocket

Proxy. h file

// GCDAsyncSocketDelegate executes the proxy object # import <Foundation/Foundation. h> # import "CocoaAsyncSocket. h "# import" Public. h "typedef void (^ DidReadData) (NSDictionary * didReadData);/*** GCDAsyncSocketDelegate executes the proxy object */@ interface NSObjectGCDAsyncSocket: NSObject <GCDAsyncSocketDelegate>/*** process received data */@ property (nonatomic, copy) DidReadData didReadData; /*** if a new key value is added to the sent data, you need to first open up the memory */@ property (nonatomic, retain) NSMutableDictionary * writeData; /*** send link Request */-(BOOL) startConnect;/*** Singleton */+ (NSObjectGCDAsyncSocket *) defaultSocket; @ end

. M file

/// NSObjectGCDAsyncSocket. m // attendance /// Created by dgc on 15/7/7. // Copyright (c) 2015 dgc. all rights reserved. // # import "NSObjectGCDAsyncSocket. h "@ implementation NSObjectGCDAsyncSocket {GCDAsyncSocket * socket;}/*** Singleton ** @ return */+ (NSObjectGCDAsyncSocket *) defaultSocket {// socket will only instantiate static NSObjectGCDAsyncSocket * socket = nil; // ensure thread security. defaultSocket only executes static dispatch_once_t once; Dispatch_once (& once, ^ {socket = [[NSObjectGCDAsyncSocket alloc] init] ;}); return socket ;} /*** initialize *** @ return self */-(instancetype) init {self = [super init]; if (self) {socket = [[GCDAsyncSocket alloc] initWithDelegate: self delegateQueue: dispatch_get_global_queue (DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)];} return self;}/*** send link Request */-(BOOL) startConnect {// first confirm to disconnect and then start to link if (socket. isConnected) {NSLo G (@ "active disconnection"); [socket disconnect];} NSError * error; BOOL isSuccess = [socket connectToHost: SocketHost onPort: SocketPort error: & error]; if (error) {NSLog (@ "error. localizedDescription: % @ ", error. localizedDescription);} return isSuccess ;} # pragma mark-GCDAsyncSocketDelegate/*** link successful ** @ param sock instance * @ param host IP * @ param port */-(void) socket :( GCDAsyncSocket *) sockdidConnectToHost :( NSSt Ring *) host port :( uint16_t) port {// NSLog (@ "% s" ,__ FUNCTION _); // NSLog (sock. isConnected? @ "YES": @ "NO"); // if (sock. isConnected) // {// nsstring upload must be completed with the "\ n" separator./* [sock writeData: [@ "ABCABCABCABCABCABC \ n" dataUsingEncoding: NSUTF8StringEncoding] withTimeout: -1 tag: 0]; * // * NSDictionary * nsDictionaryUser ={ @ "gpsinfo": @ "Gpsinfo", @ "pswd": self. passWord, @ "gpstype": @ (2015), @ "name": self. name,}; NSDictionary * agrement = @ {@ "vertion": @ (1), @ "type1": @ (2), @ "type2": @ (0 ), @ "type3": @ (0)}; */if ([NS JSONSerialization isValidJSONObject: self. writeData]) {// NSLog (@ "isValidJSONObject"); NSError * error; // first convert nsdata to nsstring to ensure the nsdictionary format remains unchanged NSData * nsDataUser = [NSJSONSerialization dataWithJSONObject: self. writeData options: Unknown error: & error]; NSString * json = [[NSString alloc] initWithData: nsDataUser encoding: NSUTF8StringEncoding]; // NSLog (@ "nsDictionaryUser: % @", json); json = [Json stringByReplacingOccurrencesOfString: @ "\ n" withString: @ ""]; json = [json Syntax: @ "" withString: @ ""]; json = [json stringByAppendingString: @ "\ n"]; // NSLog (@ "json: % @", json); [sock writeData: [json dataUsingEncoding: NSUTF8StringEncoding] withTimeout:-1 tag: 0]; // keep the read persistent connection [sock readDataWithTimeout:-1 tag: 0]; if (error) {NSLog (@ "localizedDescription: % @", [error localize DDescription]); NSLog (@ "localizedFailureReason: % @", [error localizedFailureReason]);} //}/*** data transmission succeeded ** @ param sock instance * @ param tag mark sock */-(void) socket :( GCDAsyncSocket *) sockdidWriteDataWithTag :( long) tag {// NSLog (@ "didWriteDataWithTag ");} /*** data obtained ** @ param sock instance * @ param data the data obtained * @ param tag mark sock */-(void) socket :( GCDAsyncSocket *) sock didReadData :( NSData *) data withT Ag :( long) tag {// NSLog (@ "% s" ,__ FUNCTION _); NSError * error = nil; NSDictionary * json = (NSDictionary *) [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingAllowFragments error: & error]; NSLog ([NSJSONSerialization isValidJSONObject: json]? @ "Is ValidJSONObject": @ "is't ValidJSONObject"); if (error) {NSLog (@ "socketError1: % @", [error localizedDescription]); NSLog (@ "socketError2: % @", [error localizedFailureReason]);} self. didReadData (json); [sock disconnect];}/*** Link error ** @ param sock instance * @ param err error parameter */-(void) socketDidDisconnect :( GCDAsyncSocket *) sock withError :( NSError *) err {// NSLog (@ "% s" ,__ FUNCTION _); if (err) {NSLog (@ "socketDidDisconnect: % @ ", [err localizedDescription]); NSLog (@" socketDidDisconnect: % @ ", [err localizedFailureReason]);} // self. didReadData (nil);} @ end

Use

Create object socket = [NSObjectGCDAsyncSocket defaultSocket]; fill in the Data socket sent. writeData = [NSMutableDictionary dictionaryWithDictionary: dictionary]; process received data socket. didReadData = ^ (NSDictionary * didReadData ){.......} start [socket startConnect];