很久之前用過(guò)Socket，由于近期項(xiàng)目需要用socket傳輸視頻流，早上花了半小時(shí)回顧了一下。

Socket類(lèi)簡(jiǎn)要介紹

socket下提供的主要類(lèi)有四個(gè)，分別是socket,tcpclient,tcplistener,udpclient，他們的作用如下：

Socket 含有大量方法用于網(wǎng)絡(luò)連接，.net中的一些高級(jí)類(lèi)如webrequest,tcpclient等均調(diào)用此類(lèi)來(lái)進(jìn)行操作

TcpClient? 提供客戶(hù)端連接，用于創(chuàng)建和使用tcp網(wǎng)絡(luò)服務(wù)

TcpListener? 用于從tcp網(wǎng)絡(luò)客戶(hù)端偵聽(tīng)連接

UdpClient? 為udp客戶(hù)端創(chuàng)建連接，是tcp的備用協(xié)議，在本地網(wǎng)絡(luò)使用

?Demo測(cè)試

這個(gè)Demo含有兩個(gè)project，一個(gè)是server,一個(gè)是client,為了簡(jiǎn)潔，均采用控制臺(tái)程序

服務(wù)端：

?

代碼 using?System;?
using?System.Collections.Generic;?
using?System.Linq;?
using?System.Text;?
using?System.IO;?
using?System.Net.Sockets;?

namespace?SocketServer?
{?
????class?Program?
????{?
????????public?static?TcpListener?tcpListener;?
????????private?static?NetworkStream?networkStream;?
????????private?static?StreamReader?streamReader;?
????????private?static?StreamWriter?streamWriter;?
????????public?static?Socket?socketForClient;?

????????static?void?Main(string[]?args)?
????????{?
????????????try?
????????????{?
????????????????tcpListener?=?new?TcpListener(1234);?
????????????????tcpListener.Start();?
????????????????Console.WriteLine("服務(wù)啟動(dòng)，開(kāi)始監(jiān)控1234端口");?

????????????????socketForClient?=?tcpListener.AcceptSocket();?
????????????????networkStream?=?new?NetworkStream(socketForClient);?
????????????????streamWriter?=?new?StreamWriter(networkStream);?
????????????????streamReader?=?new?StreamReader(networkStream);?
????????????????try?
????????????????{?
????????????????????if?(socketForClient.Connected)?
????????????????????{?
????????????????????????Console.WriteLine("客戶(hù)端已連接");?
????????????????????????string?strInput?=?streamReader.ReadLine();?
????????????????????????Console.WriteLine("從客戶(hù)端傳入的字符串是："?+?strInput);?
????????????????????????string?strOutput?=?strInput.ToUpper();?
????????????????????????streamWriter.Write(strOutput);?
????????????????????????Console.WriteLine("轉(zhuǎn)換后字符串是"?+?strOutput);?
????????????????????????streamWriter.Flush();?
????????????????????}?
????????????????}?
????????????????catch?(Exception?ex)?
????????????????{?
????????????????????Console.WriteLine("出現(xiàn)異常："?+?ex.Message);?
????????????????}?
????????????}?
????????????catch(Exception?ex)?
????????????{?
????????????????Console.WriteLine("發(fā)生異常，關(guān)閉連接");?
????????????????tcpListener.Stop();?
????????????????streamWriter.Close();?
????????????????streamReader.Close();?
????????????????networkStream.Close();?
????????????}?
????????}?
????}?
}

?

客戶(hù)端：

?

代碼 using?System;?
using?System.Collections.Generic;?
using?System.Linq;?
using?System.Text;?
using?System.IO;?
using?System.Net.Sockets;?

namespace?SocketClient?
{?
????class?Program?
????{?
????????public?static?TcpClient?myclient;?
????????private?static?NetworkStream?networkStream;?
????????private?static?StreamReader?streamReader;?
????????private?static?StreamWriter?streamWriter;?

????????static?void?Main(string[]?args)?
????????{?
????????????try?
????????????{?
????????????????try?
????????????????{?
????????????????????myclient?=?new?TcpClient("localhost",?1234);?
????????????????????Console.WriteLine("已經(jīng)連接到localhost的1234端口");?
????????????????}?
????????????????catch?(Exception?ex)?
????????????????{?
????????????????????Console.WriteLine("未能在1234端口連接上服務(wù)器");?
????????????????}?
????????????????networkStream?=?myclient.GetStream();?
????????????????streamReader?=?new?StreamReader(networkStream);?
????????????????streamWriter?=?new?StreamWriter(networkStream);?
????????????????Console.WriteLine("請(qǐng)輸入一串小寫(xiě)字母：");?
????????????????string?strInput?=?Console.ReadLine();?
????????????????streamWriter.Write(strInput);?
????????????????Console.WriteLine("正在發(fā)送消息");?
????????????????streamWriter.Flush();?
????????????????string?strServerComes?=?streamReader.ReadLine();?
????????????????Console.WriteLine("正在從服務(wù)端收取消息");?
????????????????Console.WriteLine("從服務(wù)端收到的消息是："?+?strServerComes);?
????????????}?
????????????catch(Exception?ex)?
????????????{?
????????????????Console.WriteLine("發(fā)生異常，關(guān)閉連接");?
????????????????streamReader.Close();?
????????????????streamWriter.Close();?
????????????????networkStream.Close();?
????????????}?
????????}?
????}?
}

?

?

?

在windows 7 中需要安全設(shè)置，否則socket將無(wú)法正常訪(fǎng)問(wèn)端口。

接下來(lái)將會(huì)做socket與silverlight傳輸文本及視頻流的嘗試。

轉(zhuǎn)載于:https://www.cnblogs.com/wengyuli/archive/2010/07/01/soket-review.html

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