private void button_addFriend_Click(object sender, EventArgs e)
{
addFriend aF = new addFriend();
aF.ShowDialog();
string friend_name = aF.friend_name;
if (friend_name == "")
{
return;
}
server_NC.Send_message("q" + friend_name);//查询好友状态
string receive_string = server_NC.Receive_string();
if (receive_string == "n" || receive_string.StartsWith("Please"))
{
DialogResult dr = MessageBox.Show(this, "对方不在线，添加好友失败。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
else
{
Net_class NC_friend_apply = new Net_class(receive_string, Net_class.client_listenF_port);
NC_friend_apply.try_connect(3000);
if (!NC_friend_apply.sock.Connected)
{
DialogResult dr = MessageBox.Show(this, "无法连接到对方网络，请稍后重试。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
/*try
* { NC_friend_apply.try_connect(); }
* catch(SocketException)
* {
* DialogResult dr = MessageBox.Show(this, "无法连接到对方网络，请稍后重试。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
* return;
* }*/
NC_friend_apply.Send_message("_f" + myName); //发送好友申请
Thread thr = new Thread(() => MessageBox.Show("已发送好友申请！\r\n对方在线。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information)); //显示提示窗口但不将程序挂起
thr.IsBackground = true;
thr.Start();
//NC_friend_apply.Close();
}
}
private void button_login_Click(object sender, EventArgs e)
{
Net_class NC = new Net_class(textBox_serverIP.Text, int.Parse(textBox_serverPort.Text)); //自定义类，处理网络事件
NC.try_connect(6000);
if (!NC.sock.Connected)
{
DialogResult dr = MessageBox.Show(this, "无法连接到服务器，请检查服务器信息。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
NC.Close();
return;
}
string user_name = textBox_userName.Text;
NC.Send_message(user_name + "_" + textBox_password.Text);//发送用户名密码
string receive_string = NC.Receive_string();
if (receive_string == "lol")
{
DialogResult dr = MessageBox.Show(this, "登录成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
DialogResult dr = MessageBox.Show(this, "登录失败，请检查用户名密码。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
Thread Thread_friendList = new Thread(() => Application.Run(new FriendList(user_name, NC)));
Thread_friendList.Start();
this.Close();
}
//发起聊天
private void listView_friendList_DoubleClick(object sender, EventArgs e)
{
if (listView_friendList.SelectedItems.Count == 0)
{
return;
}
string his_name = listView_friendList.SelectedItems[0].Text;
string his_ip = Friends_ip[his_name];
Net_class NC_chat_apply = new Net_class(his_ip, Net_class.client_listenChat_port);
/*Thread thr = new Thread(() => MessageBox.Show("连接中。。。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information)); //显示提示窗口但不将程序挂起
* thr.IsBackground = true;
* thr.Start();*/
NC_chat_apply.try_connect(3000);
if (!NC_chat_apply.sock.Connected)
{
DialogResult dr = MessageBox.Show(this, "连接对方网络失败！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
string new_port_str = NC_chat_apply.Receive_string(); //接收对方传来的端口信息。
Net_class NC_chat_new = new Net_class(his_ip, int.Parse(new_port_str));
NC_chat_new.try_connect(3000);
if (!NC_chat_new.sock.Connected)
{
DialogResult dr = MessageBox.Show(this, "连接对方网络失败！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
NC_chat_new.Send_message("_c" + myName);
addChatWin(his_ip, his_name, NC_chat_new);
}
//收到添加好友消息的callback
public void clientF_receive(IAsyncResult asy_result)
{
Socket receive_socket = (Socket)asy_result.AsyncState;
Net_class receive_NC = new Net_class(receive_socket);
IPEndPoint friend_endP = (IPEndPoint)receive_socket.RemoteEndPoint;
string friend_ip = friend_endP.Address.ToString();
try
{
int len;
string message = receive_NC.Receive_string(asy_result, buffer_F, out len);
if (message.Length < 3)
{
return;
}
string friend_name = message.Substring(2);
if (message.StartsWith("_f")) //收到好友申请
{
DialogResult dr = MessageBox.Show(this, "用户:" + friend_name + " 请求添加好友，是否同意？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
string friend_reply;
if (dr == DialogResult.Yes) //接收好友申请
{
friend_reply = "_y";
add_friend2list(friend_name, friend_ip);
}
else //拒绝好友申请
{
friend_reply = "_n";
}
Net_class NC_friend_agree = new Net_class(friend_ip, Net_class.client_listenF_port);
NC_friend_agree.try_connect(3000);
if (!NC_friend_agree.sock.Connected)
{
MessageBox.Show(this, "无法连接到对方网络，请稍后重试。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
NC_friend_agree.Send_message(friend_reply + myName); //发送回复
if (dr == DialogResult.Yes) //添加到好友列表
{
add_friend2list(friend_name, friend_ip);
}
}
else if (message.StartsWith("_y")) //好友申请被接受
{
DialogResult dr = MessageBox.Show(this, "用户:" + friend_name + " 已接受您的好友申请。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
add_friend2list(friend_name, friend_ip);
}
else if (message.StartsWith("_n"))
{
DialogResult dr = MessageBox.Show(this, "用户:" + friend_name + " 已拒绝您的好友申请。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
//receive_NC.sock.BeginReceive(buffer_F, 0, buffer_F.Length, SocketFlags.None, new AsyncCallback(clientF_receive), receive_NC.sock);
}
catch (SocketException e)
{
MessageBox.Show(e.ToString(), "异常",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
