private void button_register_Click(object sender, RoutedEventArgs e)
{
TcpClient tcpClient = null;
NetworkStream networkStream = null;
try {
string[] ip = textBox_ip.Text.Split(':');
tcpClient = new TcpClient();
IPAddress ServerIP = IPAddress.Parse(ip[0]);
tcpClient.Connect(ServerIP, int.Parse(ip[1])); //建立与服务器的连接
networkStream = tcpClient.GetStream();
if (networkStream.CanWrite)
{
IMClassLibrary.LoginDataPackage loginDataPackage = new IMClassLibrary.LoginDataPackage("127.0.0.1:" + MyPort.ToString(), "Server_Reg", textBox_id.Text, sha256(passwordBox.Password)); //初始化登录数据包
byte[] sendBytes = loginDataPackage.DataPackageToBytes(); //注册数据包转化为字节数组
networkStream.Write(sendBytes, 0, sendBytes.Length);
}
}
catch {
MessageBox.Show("无法连接到服务器!");
return;
}
finally {
if (networkStream != null)
{
networkStream.Close();
}
tcpClient.Close();
}
string msg = ListenThreadMethod();
if (msg == "注册成功")
{
MessageBox.Show("注册成功！");
}
else
{
MessageBox.Show("注册失败！");
}
}
private void button_login_Click(object sender, RoutedEventArgs e)
{
TcpClient tcpClient;
IPAddress ServerIP;
string msg = string.Empty;
try {
string[] ip = textBox_ip.Text.Split(':');
tcpClient = new TcpClient();
ServerIP = IPAddress.Parse(ip[0]);
tcpClient.Connect(ServerIP, int.Parse(ip[1])); //建立与服务器的连接
NetworkStream networkStream = tcpClient.GetStream();
if (networkStream.CanWrite)
{
IMClassLibrary.LoginDataPackage loginDataPackage = new IMClassLibrary.LoginDataPackage("127.0.0.1:" + MyPort.ToString(), "Server_Login", textBox_id.Text, sha256(passwordBox.Password)); //初始化登录数据包
Byte[] sendBytes = loginDataPackage.DataPackageToBytes(); //登录数据包转化为字节数组
networkStream.Write(sendBytes, 0, sendBytes.Length);
}
msg = ListenThreadMethod();
}
catch {
MessageBox.Show("与服务器连接失败！");
}
if (msg == "登录成功")
{
P2PClient client = new P2PClient(textBox_id.Text, tcpListener, MyPort, textBox_ip.Text.Split(':')[1], passwordBox_Copy.Password); //传入用户名&登录端口
client.Show();
Close();
}
else
{
MessageBox.Show("登录失败！");
}
}
} //不在主线程执行
private void AcceptClientConnect()
{
//IPAddress ip = (IPAddress)Dns.GetHostAddresses(Dns.GetHostName()).GetValue(0);//服务器端ip
IPAddress ip = IPAddress.Parse("127.0.0.1");
try {
myListener = new TcpListener(ip, nowEnterPort); //创建TcpListener实例
myListener.Start(); //start
}
catch {
MessageBox.Show("TcpListener创建失败，请更改端口号或检查计算机网络！");
Close();
return;
}
var newClient = new TcpClient();
while (true)
{
try {
newClient = myListener.AcceptTcpClient(); //等待客户端连接
}
catch {
if (newClient == null)
{
return;
}
}
try {
var IP = newClient.Client.RemoteEndPoint.ToString();
byte[] receiveBytes = ReadFromTcpClient(newClient);
int type = 0;
using (MemoryStream ms = new MemoryStream(receiveBytes)) {
IFormatter formatter = new BinaryFormatter();
var DataPackage = formatter.Deserialize(ms) as IMClassLibrary.DataPackage;
if (DataPackage == null)
{
MessageBox.Show("接收数据非数据包");
continue;
}
type = DataPackage.MessageType;
}
if (type == 0)
{
MessageBox.Show("数据包非法");
continue;
}
switch (type)
{
case 1: {
var LogIn = new IMClassLibrary.LoginDataPackage(receiveBytes);
if (LogIn.Receiver == "Server_Reg")
{
var newUser = new UserClass(LogIn.UserID, LogIn.Password);
bool CanResiger = true;
foreach (UserClass nowUser in user)
{
if (nowUser.userId == newUser.userId)
{
CanResiger = false;
break;
}
}
if (CanResiger == false)
{
SendMessageTo(LogIn.Sender.Split(':')[0], LogIn.Sender.Split(':')[1], "注册失败");
}
else
{
user.Add(newUser);
SendMessageTo(LogIn.Sender.Split(':')[0], LogIn.Sender.Split(':')[1], "注册成功");
///////////////////////////
}
continue;
}
bool SuccessLogin = false;
for (int i = 0; i < user.Count; ++i)
{
var nowUser = (UserClass)user[i];
if (LogIn.UserID == nowUser.userId && LogIn.Password == nowUser.password)
{
SuccessLogin = true;
nowUser.isOnline = true;
}
user[i] = nowUser;
}
if (SuccessLogin == false)
{
SendMessageTo(LogIn.Sender.Split(':')[0], LogIn.Sender.Split(':')[1], "登录失败");
continue;
}
else
{
SendMessageTo(LogIn.Sender.Split(':')[0], LogIn.Sender.Split(':')[1], "登录成功");
continue;
}
}
break;
case 2: {
var LogOut = new IMClassLibrary.LogoutDataPackage(receiveBytes);
for (int i = 0; i < user.Count; ++i)
{
var t = (UserClass)user[i];
if (t.userId == LogOut.UserID)
{
t.isOnline = false;
user[i] = t;
break;
}
}
}
break;
case 3: {
MessageBox.Show("发送了父类聊天数据包");
}
break;
/*
* case 4: {
* var message = new IMClassLibrary.SingleChatDataPackage(receiveBytes);
* var receiver = message.Receiver;
* foreach (UserClass nowUser in user) {
* if (receiver == nowUser.userId) {
* nowUser.message.Add(message);
* break;
* }
* }
* }
* break;
*/
case 5: {
var message = new IMClassLibrary.SingleChatDataPackage(receiveBytes);
var receiver = message.Receiver;
foreach (UserClass nowUser in user)
{
if (receiver == nowUser.userId)
{
//nowUser.message.Add(message);
break;
}
}
}
break;
/*
* case 6: {
* var message = new IMClassLibrary.ChangeNameDataPackage(receiveBytes);
* var receiver = message.Receiver;
* foreach (UserClass nowUser in user) {
* if (receiver == nowUser.userId)
* nowUser.name = message.Name;
* else
* nowUser.message.Add(message);
* }
* }
* break;
*/
}
}
catch {
break;
}
}
}
