public void sendEmoji(string idxofemoji, string sendside)
{
//byte[] EmojiBuffer = new byte[emojisize];
//int receive = tsocket.Receive(EmojiBuffer);
//int idxofemoji = BitConverter.ToInt32(EmojiBuffer,0);
try
{
//Console.WriteLine(msg);//在服务端打印客户端输入
TextBuffer = StaticTools.CombomBinaryArray(BitConverter.GetBytes(firstflag), BitConverter.GetBytes(nextflag), Encoding.UTF8.GetBytes(idxofemoji), Encoding.UTF8.GetBytes(sendside));
for (int i = clients.Count - 1; i >= 0; i--)
{ //循环推送
NetworkStream pw = new NetworkStream(clients[i]); //为i号客户端创建新NetworkStream
pw.Write(TextBuffer, 0, TextBuffer.Length); //将客户端发信写入缓存
pw.Flush(); //将缓存中的数据发送出去
}
}
catch (Exception)
{
}
}
public void sendFile(int rect, string sendside, string fileext, byte[] data)
{
//FileStream wrtr; //文件读写类
//server.Listen(10); //监听
//Socket s = server.Accept(); //当有客户端与服务器进行连接，Accept方法返回socket对象，通过该对象可以获取客户端发送的消息
//byte[] data = new byte[4];
//int rect = tsocket.Receive(data, 2, 4, 0); //用来接收图片字节流长度
int size = BitConverter.ToInt32(data, 2); //16进制转成int型
byte[] transize = new byte[4];
StaticTools.ConvertIntToByteArray(size, ref transize);
int dataleft = size;
TextBuffer = new byte[size];
//data = new byte[size]; //创建byte组
//创建新文件"new.jpg",strPath是路径
//data = new byte[2048];
int total = 0;
while (total < size) //当接收长度小于总长度时继续执行
{
rect = tsocket.Receive(TextBuffer, total, dataleft, 0); //接收字节流，receive方法返回int获取已接收字节个数，第一个参数是需要写入的字节组，第二个参数是起始位置，第三个参数是接收字节的长度
total += rect; //已接收个数-下一次从当前个数开始接收
dataleft -= rect; //剩下的字节长度
}
byte[] tempdata = StaticTools.CombomBinaryArray(BitConverter.GetBytes(firstflag), BitConverter.GetBytes(nextflag), transize, Encoding.UTF8.GetBytes(fileext), Encoding.UTF8.GetBytes(sendside));
//byte[] tempdata = StaticTools.CombomBinaryArray(BitConverter.GetBytes(firstflag), BitConverter.GetBytes(nextflag), transize, Encoding.UTF8.GetBytes(sendside));
for (int i = clients.Count - 1; i >= 0; i--)
{
NetworkStream picstream = new NetworkStream(clients[i]);; //发送图片的networkstream
picstream.Write(tempdata, 0, tempdata.Length); //输出文件
picstream.Flush(); //强制输出
Console.Write("send to " + i.ToString() + " user");
picstream.Write(TextBuffer, 0, TextBuffer.Length); //输出文件
picstream.Flush(); //强制输出
Console.Write("send to " + i.ToString() + " user Success");
//picstream.Close(); //关闭文件流对象
}
}
public void run()
{
try
{
//bool GBK = false;
//
NetworkStream networkStream = new NetworkStream(tsocket);
int receive = tsocket.Receive(TextBuffer); //接受系统和用户名socket
if (!(Convert.ToBoolean(TextBuffer[0]))) //将接受到的1（unix)或者0（！unix)转换为bool类型，//判断是否需要转码
{
//GBK = true;//需要从UTF8转码成GBK
//Console.WriteLine("GBK"+GBK.ToString());
}
username = Encoding.UTF8.GetString(TextBuffer, 0, receive);
//Console.WriteLine(username);
//msg = "[IP:" + IPAddress.Parse(((IPEndPoint)tsocket.LocalEndPoint).Address.ToString()) + "已上线] 在线人数:" + clients.Count + "\n";
msg = "[IP:" + IPAddress.Parse(((IPEndPoint)tsocket.LocalEndPoint).Address.ToString()) + " online] the number of online is:" + clients.Count + "\n";
TextBuffer = Encoding.UTF8.GetBytes(msg); //以UTF8编码方式读取msg中字节
sendMsg(msg.Length); //,GBK); //上线推送
TextBuffer = new byte[2048];
//Array.Clear(TextBuffer, 0, TextBuffer.Length);
//tsocket.Receive(TextBuffer);//接收用户名的socket
while (true)
//while (!string.ReferenceEquals((msg = Encoding.UTF8.GetString(TextBuffer)), null))
{
//if (clients.Count > 0)
//{
// for (int i = clients.Count - 1; i >= 0; i--)
// {
// if (clients[i].Poll(1000, SelectMode.SelectRead)) //SelectMode.SelectRead表示，如果已调用 并且有挂起的连接，true。
// {
// clients[i].Close();//关闭socket
// clients.RemoveAt(id);//从列表中删除断开的socke
// continue;
// }
// }
//}
//int receivenumber = tsocket.Receive(TextBuffer);
if ((numberofinput = networkStream.Read(TextBuffer, 0, TextBuffer.Length)) <= 0)
{
break;
}
//00字sendtext()
//01表情sendemoji()
//10图sendpic()
//11文件sendfile()
if (firstflag = Convert.ToBoolean(TextBuffer[0]))
{
if (nextflag = Convert.ToBoolean(TextBuffer[1]))//发文件
{
}
else//发文件
{
Console.WriteLine("Sending File");
string sendside = username;
Console.WriteLine("sendside is " + sendside);
string fileext = Encoding.UTF8.GetString(TextBuffer, 6, 4);
Console.WriteLine("Sending File Success");
//TextBuffer = new byte[2048];
sendFile(numberofinput, sendside, fileext, TextBuffer);
}
}
else
{
if (nextflag = Convert.ToBoolean(TextBuffer[1]))//发表情
{
Console.WriteLine("Sending Emoji");
//int emojisize = BitConverter.ToInt32(TextBuffer,2);
string sendside = username;
Console.WriteLine("sendside is " + sendside);
string idx0femoji = Encoding.UTF8.GetString(TextBuffer, 2, 4);
Console.WriteLine("idxofemoji is " + idx0femoji);
sendEmoji(idx0femoji, sendside);
Console.WriteLine("Sending Emoji Success");
TextBuffer = new byte[2048];
}
else//发字
{
Console.WriteLine("Sending Text");
msg = Encoding.UTF8.GetString(TextBuffer, 2, numberofinput);//将缓冲区中客户端输入的转为string
//UTF8 to GBK
//Console.WriteLine(msg);
//if (GBK)
//{
// originmsg = msg;//储存原始msg
// //Console.WriteLine(msg);
//}
if (msg.Contains("exitthis"))
{ //如果收到exitthis则退出线程，回收socket。
//Console.WriteLine("A user will leave the chatroom whose login id is " + id + " and username is " + username);
clients.RemoveAt(id);
//msg = Encoding.GetEncoding("GBK").GetString(Encoding.UTF8.GetBytes(username));
msg = "A user will leave the chatroom whose login id is " + id + " and username is " + username + "\n";
TextBuffer = StaticTools.CombomBinaryArray(BitConverter.GetBytes(firstflag), BitConverter.GetBytes(nextflag), Encoding.UTF8.GetBytes(msg));
sendMsg(msg.Length);//,GBK);//推送用户下线消息
break;
}
sendMsg(numberofinput);//,GBK); //推送消息到所有客户端
}
}
}
}
catch (Exception)
{
}
}