Objective C TCP 通讯实例

最新推荐文章于 2024-12-20 14:25:57 发布

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最新推荐文章于 2024-12-20 14:25:57 发布 · 6.6k 阅读

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CC 4.0 BY-SA版权

文章标签：

#Objective-C #objective-c #Objective-c #objective-C #tcp #TCP #Tcp

本文档详细介绍了如何使用Objective-C进行TCP通信的实例，涵盖了建立连接、发送和接收数据等关键步骤。

TCP通讯实例

Communicator.h

#import <Foundation/Foundation.h>
 
@interface Communicator : NSObject <NSStreamDelegate> {
	@public
	
	NSString *host;
	int port;
}
 
- (void)setup;
- (void)open;
- (void)close;
- (void)stream:(NSStream *)stream handleEvent:(NSStreamEvent)event;
- (void)readIn:(NSString *)s;
- (void)writeOut:(NSString *)s;
 
@end

Communicator.m

#import "Communicator.h"
 
CFReadStreamRef readStream;
CFWriteStreamRef writeStream;
 
NSInputStream *inputStream;
NSOutputStream *outputStream;
 
@implementation Communicator
 
- (void)setup {
	NSURL *url = [NSURL URLWithString:host];
	
	NSLog(@"Setting up connection to %@ : %i", [url absoluteString], port);
	
	CFStreamCreatePairWithSocketToHost(kCFAllocatorDefault, (CFStringRef)[url host], port, &readStream, &writeStream);
	
	if(!CFWriteStreamOpen(writeStream)) {
		NSLo