我在msdn上编写了读写函数,如下
public void NetRead()
{
NetworkStream myNetworkStream = NetClient.GetStream(); if (myNetworkStream.CanRead)
{
byte[] myReadBuffer = new byte[1024];
StringBuilder myCompleteMessage = new StringBuilder();
int numberOfBytesRead = 0;
// Incoming message may be larger than the buffer size.
do
{
numberOfBytesRead = myNetworkStream.Read(myReadBuffer, 0, myReadBuffer.Length);
myCompleteMessage.AppendFormat("{0}", Encoding.ASCII.GetString(myReadBuffer, 0, numberOfBytesRead));
}
while (myNetworkStream.DataAvailable);
// Print out the received message to the console.
Console.WriteLine("You received the following message : " +
myCompleteMessage);
//NetRead();
}
else
{
Console.WriteLine("Sorry. You cannot read from this NetworkStream.");
}
}
public void NetWrite()
{
NetworkStream myNetworkStream = NetClient.GetStream(); if (myNetworkStream.CanWrite)
{
byte[] myWriteBuffer = Encoding.ASCII.GetBytes("Are you receiving this message?");
myNetworkStream.Write(myWriteBuffer, 0, myWriteBuffer.Length);
}
else
{
Console.WriteLine("Sorry. You cannot write to this NetworkStream.");
}
}
问题是:
我的读函数怎样才能一直监听设备呢?而不是每次调用?用线程?还是我理解错了,他一直在监听?谢谢!
或者哪位高手有通讯的例子就最好了。
public void NetRead()
{
NetworkStream myNetworkStream = NetClient.GetStream(); if (myNetworkStream.CanRead)
{
byte[] myReadBuffer = new byte[1024];
StringBuilder myCompleteMessage = new StringBuilder();
int numberOfBytesRead = 0;
// Incoming message may be larger than the buffer size.
do
{
numberOfBytesRead = myNetworkStream.Read(myReadBuffer, 0, myReadBuffer.Length);
myCompleteMessage.AppendFormat("{0}", Encoding.ASCII.GetString(myReadBuffer, 0, numberOfBytesRead));
}
while (myNetworkStream.DataAvailable);
// Print out the received message to the console.
Console.WriteLine("You received the following message : " +
myCompleteMessage);
//NetRead();
}
else
{
Console.WriteLine("Sorry. You cannot read from this NetworkStream.");
}
}
public void NetWrite()
{
NetworkStream myNetworkStream = NetClient.GetStream(); if (myNetworkStream.CanWrite)
{
byte[] myWriteBuffer = Encoding.ASCII.GetBytes("Are you receiving this message?");
myNetworkStream.Write(myWriteBuffer, 0, myWriteBuffer.Length);
}
else
{
Console.WriteLine("Sorry. You cannot write to this NetworkStream.");
}
}
问题是:
我的读函数怎样才能一直监听设备呢?而不是每次调用?用线程?还是我理解错了,他一直在监听?谢谢!
或者哪位高手有通讯的例子就最好了。
//client端
usingSystem;
usingSystem.Text;
usingSystem.IO;
usingSystem.Net;
usingSystem.Net.Sockets;
namespacesocketsample
{
classClass1
{
staticvoidMain()
{
try
{
intport=2000;
stringhost="127.0.0.1";
IPAddressip=IPAddress.Parse(host);
IPEndPointipe=newIPEndPoint(ip,port);//把ip和端口转化为IPEndPoint实例
Socketc=newSocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);//创建一个Socket
Console.WriteLine("Conneting...");
c.Connect(ipe);//连接到服务器
stringsendStr="hello!Thisisasockettest";
byte[]bs=Encoding.ASCII.GetBytes(sendStr);
Console.WriteLine("SendMessage");
c.Send(bs,bs.Length,0);//发送测试信息
stringrecvStr="";
byte[]recvBytes=newbyte[1024];
intbytes;
bytes=c.Receive(recvBytes,recvBytes.Length,0);//从服务器端接受返回信息
recvStr+=Encoding.ASCII.GetString(recvBytes,0,bytes);
Console.WriteLine("ClientGetMessage:{0}",recvStr);//显示服务器返回信息
c.Close();
}
catch(ArgumentNullExceptione)
{
Console.WriteLine("ArgumentNullException:{0}",e);
}
catch(SocketExceptione)
{
Console.WriteLine("SocketException:{0}",e);
}
Console.WriteLine("PressEntertoExit");
Console.ReadLine();
}
}
}//server端
usingSystem;
usingSystem.Text;
usingSystem.IO;
usingSystem.Net;
usingSystem.Net.Sockets;
namespaceProject1
{
classClass2
{
staticvoidMain()
{
try
{
intport=2000;
stringhost="127.0.0.1";
IPAddressip=IPAddress.Parse(host);
IPEndPointipe=newIPEndPoint(ip,port);
Sockets=newSocket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);//创建一个Socket类
s.Bind(ipe);//绑定2000端口
s.Listen(0);//开始监听
Console.WriteLine("Waitforconnect");
Sockettemp=s.Accept();//为新建连接创建新的Socket。
Console.WriteLine("Getaconnect");
stringrecvStr="";
byte[]recvBytes=newbyte[1024];
intbytes;
bytes=temp.Receive(recvBytes,recvBytes.Length,0);//从客户端接受信息
recvStr+=Encoding.ASCII.GetString(recvBytes,0,bytes);
Console.WriteLine("ServerGetMessage:{0}",recvStr);//把客户端传来的信息显示出来
stringsendStr="Ok!ClientSendMessageSucessful!";
byte[]bs=Encoding.ASCII.GetBytes(sendStr);
temp.Send(bs,bs.Length,0);//返回客户端成功信息
temp.Close();
s.Close();
}
catch(ArgumentNullExceptione)
{
Console.WriteLine("ArgumentNullException:{0}",e);
}
catch(SocketExceptione)
{
Console.WriteLine("SocketException:{0}",e);
}
Console.WriteLine("PressEntertoExit");
Console.ReadLine();
}
}
}
string host = "127.0.0.1";
IPAddress ip = IPAddress.Parse(host);
IPEndPoint ipe = new IPEndPoint(ip, port);
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个Socket类
s.Bind(ipe);//绑定2000端口
s.Listen(0);//开始监听
Socket temp = s.Accept();//为新建连接创建新的Socket。; while (true)
{
string recvStr = "";
byte[] recvBytes = new byte[1024];
int bytes;
bytes = temp.Receive(recvBytes, recvBytes.Length, 0);//从客户端接受信息
if (bytes==0)
{
Thread.Sleep(1000);
continue;
} recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes); if(recvStr=="01")
{
clsRtSrvobjData cls = new clsRtSrvobjData();
cls.Test(1);
} }
public void NetRead()
{
NetworkStream myNetworkStream = NetClient.GetStream();
try
{
if (myNetworkStream.CanRead)
{
byte[] myReadBuffer = new byte[1024];
StringBuilder myCompleteMessage = new StringBuilder();
int numberOfBytesRead = 0;
// Incoming message may be larger than the buffer size.
do
{
numberOfBytesRead = myNetworkStream.Read(myReadBuffer, 0, myReadBuffer.Length);
myCompleteMessage.AppendFormat("{0}", Encoding.Unicode.GetString(myReadBuffer, 0, numberOfBytesRead));
}
while (myNetworkStream.DataAvailable);
// Print out the received message to the console.
NetRead();
}
}
catch (Exception ex)
{ }
}
public void NetWrite()
{
NetworkStream myNetworkStream = NetClient.GetStream(); if (myNetworkStream.CanWrite)
{
byte[] myWriteBuffer = Encoding.Unicode.GetBytes("客户端: Are you receiving this message?");
myNetworkStream.Write(myWriteBuffer, 0, myWriteBuffer.Length);
}
else
{
Console.WriteLine("Sorry. You cannot write to this NetworkStream.");
}
}其中
{//可以连接,创建一个线程监听
Thread th = new Thread(new ThreadStart(NetRead));
th.IsBackground = true;
th.Start();
}