基于C#局域网语音聊天室,可实现文本消息的发送、接收及语音聊天,是一个很不错的,适合初学者的软件开发项目。(未经验证)
——http://wenku.baidu.com/link?url=f1gmOU2J04pf3wB9tldwuZS3VsXWYlmhUPSwdLvPXu_sBLhyjKwy2y3RMO6Rzh3esvl7-TnoEz5nUz_HVGkFlFAOwVwjgvOZG5nGQ37zMQ_
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net; // 套接字编程引入这两个命名空间
using System.Net.Sockets;
using System.Threading;
using System.IO;
using Voice;
namespace Server
{
public partial class Form1 : Form
{
private static IPEndPoint ePoint; //IP+端口号
private Socket r; //声明一个套接字r,用于语音聊天
TcpListener listener; //声明一个侦听
private int i; //声明变量i,j
private int j;
TcpClient remoteClient; //声明远程客户端
private Thread td; //声明线程td,t
private Thread t; //用于侦听语音聊天的信息
private bool connected = false;
const int BufferSize = 8192; //分配缓存大小
private WaveOutPlayer m_Player;
private WaveInRecorder m_Recorder;
private byte[] m_PlayBuffer;
private byte[] m_RecBuffer;
private FifoStream m_Fifo = new FifoStream();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)//加载用户界面
{
MessageBox.Show(this,"开启服务","提示");
System.Windows.Forms.Control.CheckForIllegalCrossThreadCalls = false;
this.ActiveControl = this.txtIP;//光标闪烁
txtRecord.Text = "【服务器运行中......】";
t = new Thread(new ThreadStart(Voice_In));//调用方法
}
private void btnConfirm_Click(object sender, EventArgs e)
{
try
{
ePoint = new IPEndPoint(IPAddress.Parse(txtIP.Text), int.Parse("8660"));
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【提示：】 IP已确定！ ";
txtRecord.SelectionStart = txtRecord.Text.Length;
txtRecord.ScrollToCaret();
}
catch
{
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【提示：】 请输入有效的IP地址！ ";
txtRecord.SelectionStart = txtRecord.Text.Length;
txtRecord.ScrollToCaret();
txtIP.Clear();
}
}
private void btnStart_Click(object sender, EventArgs e)
{
createLinked();//调用方法1
r = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
}
public void createLinked()//方法1：建立连接
{
try
{
listener = new TcpListener(IPAddress.Parse(txtIP.Text), 8660);//实例化一个侦听
}
catch
{
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【提示：】 请输入有效的IP地址！ ";
txtRecord.SelectionStart = txtRecord.Text.Length;
txtRecord.ScrollToCaret();
i = 3;
}
if (i != 3)
{
try
{
listener.Start(); // 开始侦听
remoteClient = listener.AcceptTcpClient();
i = 2;
this.txtIP.Enabled = false;
this.btnConfirm.Enabled = false;
this.btnStart.Enabled = false;
td = new Thread(new ThreadStart(this.StartListen));//调用方法2
// i = 1;
td.Start();
// 打印连接到的客户端信息
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【提示：】 连接已建立！ ";
}
catch
{
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【提示：】 请输入有效的IP地址！ ";
txtRecord.SelectionStart = txtRecord.Text.Length;
txtRecord.ScrollToCaret();
txtIP.Clear();
}
}
}
private void StartListen()//方法2：用于侦听来自客户端的信息
{
//tcpListener = listener.AcceptTcpClient() ;
//tcpListener.Start();
while (true)
{
NetworkStream streamToClient = remoteClient.GetStream();
byte[] buffer = new byte[BufferSize];
int bytesRead = streamToClient.Read(buffer, 0, BufferSize);
//tx(bytesRead.ToString());//转换成字节数输出
// 获得请求的字符串
string msg = Encoding.Unicode.GetString(buffer, 0, bytesRead);
tx(msg);
}
}
private void tx(string s)//方法3 用于改变聊天记录文本框的内容
{
txtRecord.AppendText(Environment.NewLine);//向文本框的当前文本追加文本
txtRecord.Text += "【信息来自客户端： ...】" + s;
txtRecord.Focus(); //接收到焦点
txtRecord.Select(txtRecord.Text.Length, 0);//光标移动到文本的末尾,选择字符数为0
txtRecord.ScrollToCaret();//移动滚动条
//移动滚动条到最后！
}
private void btnSend_Click(object sender, EventArgs e)
{
if (i == 2)
{
string msg = txtInput.Text;
NetworkStream streamToClient = remoteClient.GetStream();
byte[] buffer = Encoding.Unicode.GetBytes(msg); // 获得缓存
streamToClient.Write(buffer, 0, buffer.Length); // 发往客户端
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【发送到客户端：】 " + msg;
txtInput.Clear();
txtRecord.Focus(); //接收到焦点
txtRecord.Select(txtRecord.Text.Length, 0);//光标移动到文本的末尾,选择字符数为0
txtRecord.ScrollToCaret();//移动滚动条
//移动滚动条到最后！
}
else if (i != 3)
{
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【提示：】 尚未连接！ ";
txtRecord.SelectionStart = txtRecord.Text.Length;
txtRecord.ScrollToCaret();
}
}
private void Voice_In() //获取语音输入流
{
byte[] br;
r.Bind(ePoint);
while (true)
{
br = new byte[16384];
try
{
r.Receive(br);
}
catch
{
}
m_Fifo.Write(br, 0, br.Length);
}
}
private void Voice_Out(IntPtr data, int size)//获取语音输入流
{
//for Recorder
if (m_RecBuffer == null || m_RecBuffer.Length < size)
m_RecBuffer = new byte[size];
System.Runtime.InteropServices.Marshal.Copy(data, m_RecBuffer, 0, size);
//Microphone ==> data ==> m_RecBuffer ==> m_Fifo
r.SendTo(m_RecBuffer, remoteClient.Client.RemoteEndPoint);
}
private void Filler(IntPtr data, int size)
{
if (m_PlayBuffer == null || m_PlayBuffer.Length < size)
m_PlayBuffer = new byte[size];
if (m_Fifo.Length >= size)
m_Fifo.Read(m_PlayBuffer, 0, size);
else
for (int i = 0; i < m_PlayBuffer.Length; i++)
m_PlayBuffer[i] = 0;
System.Runtime.InteropServices.Marshal.Copy(m_PlayBuffer, 0, data, size);
// m_Fifo ==> m_PlayBuffer==> data ==> Speakers
}
private void Start()
{
Stop();
try
{
WaveFormat fmt = new WaveFormat(44100, 16, 2);
m_Player = new WaveOutPlayer(-1, fmt, 16384, 3, new BufferFillEventHandler(Filler));
m_Recorder = new WaveInRecorder(-1, fmt, 16384, 3, new BufferDoneEventHandler(Voice_Out));
}
catch
{
Stop();
throw;
}
}
private void Stop()
{
if (m_Player != null)
try
{
m_Player.Dispose();
}
finally
{
m_Player = null;
}
if (m_Recorder != null)
try
{
m_Recorder.Dispose();
}
finally
{
m_Recorder = null;
}
m_Fifo.Flush();
}
private void btnSound_Click(object sender, EventArgs e)
{
if (i == 2)
{
j = 1;
if (connected == false)
{
t.Start();
connected = true;
}
Start();
}
else
{
txtRecord.AppendText(Environment.NewLine);
txtRecord.Text += "【提示：】 尚未连接！ ";
txtRecord.SelectionStart = txtRecord.Text.Length;
txtRecord.ScrollToCaret();
}
}
private void Server_Closing(object sender, FormClosingEventArgs e)
{
if (this.listener != null)
{
listener.Stop();
}
if (td != null)
{
if (td.ThreadState == ThreadState.Running)
{
td.Abort();
}
}
if (t != null)
{
if (t.ThreadState == ThreadState.Running)
{
t.Abort();
}
}
if (j == 1)
{
r.Close();
}
}
}
}