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();
}
private void button_groupTalk_Click(object sender, EventArgs e)
{
int member_num = listView_friendList.SelectedItems.Count;
if (member_num == 0)
{
MessageBox.Show(this, "请先选择群聊成员！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
Dictionary <string, Net_class> connected_name_NC = new Dictionary <string, Net_class>();
List <string> failed_names = new List <string>();
for (int i = 0; i < member_num; i++)
{
string his_name = listView_friendList.SelectedItems[i].Text;
string his_ip = Friends_ip[his_name];
Net_class NC_chat_apply = new Net_class(his_ip, Net_class.client_listenGroupChat_port);
NC_chat_apply.try_connect(3000);
if (!NC_chat_apply.sock.Connected)
{
failed_names.Add(his_name);
continue;
}
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)
{
failed_names.Add(his_name);
continue;
}
connected_name_NC.Add(his_name, NC_chat_new);
}
groupChatWindow CW = new groupChatWindow(connected_name_NC, myName);
Thread Thread_friendList = new Thread(() => Application.Run(CW));
Thread_friendList.SetApartmentState(ApartmentState.STA); //要加这句，否则不能打开fileopendialog
Thread_friendList.Start();
if (failed_names.Count > 0)
{
string failed_names_str = "";
for (int i = 0; i < failed_names.Count; i++)
{
failed_names_str = failed_names_str.Insert(failed_names_str.Length, failed_names[i] + " ");
}
MessageBox.Show(this, "下列用户连接失败：\r\n " + failed_names_str, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
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();
}
}
//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);
}
//收到聊天消息的callback
public void clientChat_receive(IAsyncResult asy_result)
{
Socket receive_socket = (Socket)asy_result.AsyncState;
Net_class receive_NC = new Net_class(receive_socket);
int my_receive_port = receive_NC.get_my_port();
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_Chat, out len);
//聊天邀请
if (message.Length > 2 && message.StartsWith("_c"))
{
string his_name = message.Substring(2);
string his_ip = friend_ip;
//Friends_ip.TryGetValue(his_name, out his_ip);
if (!receive_NC.sock.Connected)
{
DialogResult dr = MessageBox.Show(this, "与用户：" + his_name + "的聊天创建失败。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
chatting_ports.Add(my_receive_port);
addChatWin(his_ip, his_name, receive_NC);
}
}
catch (SocketException e)
{
MessageBox.Show(e.ToString(), "异常",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//收到消息
public void clientChat_receive(IAsyncResult asy_result)
{
Net_class receive_NC;
Socket receive_socket;
if (!Sock_connected.sock.Connected)
{
Sock_connected.Close();
Close();
return;
}
try
{
receive_socket = (Socket)asy_result.AsyncState;
receive_NC = new Net_class(receive_socket);
IPEndPoint friend_endP = (IPEndPoint)receive_socket.RemoteEndPoint;
string friend_ip = friend_endP.Address.ToString();
}
catch
{
return;
}
try
{
int receive_len;
string message = receive_NC.Receive_string(asy_result, buffer_Chat_receive, out receive_len);
//聊天信息
if (message.Length > 1 && message[0] == 1)
{
message = message.Substring(1);
string his_name = (message.Split('_')[0]);
add_msg2list(his_name, message.Split('_')[1], Color.Black);
}
//收到文件
else if (receive_len > 1 && buffer_Chat_receive[0] == 2)
{
string file_suffix = file_name.Substring(file_name.LastIndexOf('.'));
DialogResult re = MessageBox.Show("对方发来文件：" + file_name + "，是否接收？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
if (re == DialogResult.No)
{
return;
}
SaveFileDialog save_file_Dialog = new SaveFileDialog()
{
Filter = "(*" + file_suffix + ")|*" + file_suffix + "",
FileName = file_name
};
string savePath;
if (save_file_Dialog.ShowDialog(this) == DialogResult.OK)
{
savePath = save_file_Dialog.FileName;
using (FileStream fs = new FileStream(savePath, FileMode.Append, FileAccess.Write))
{
fs.Write(buffer_Chat_receive, 1, receive_len - 1);
fs.Flush();
fs.Close();
}
add_msg2list("系统消息：", "接受到的文件已经保存：" + savePath, Color.Red);
}
}
//收到文件名
else if (receive_len > 1 && buffer_Chat_receive[0] == 3)
{
message = message.Substring(1);
file_name = message;
}
receive_socket.BeginReceive(buffer_Chat_receive, 0, buffer_Chat_receive.Length, SocketFlags.None, new AsyncCallback(clientChat_receive), receive_socket);
}
catch (SocketException e)
{
//MessageBox.Show(e.ToString(), "异常", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//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);
}
}
//成员接收到信息的callback
public void member_receive(IAsyncResult asy_result)
{
Net_class receive_NC;
Socket receive_socket;
if (!host_connectNC.sock.Connected)
{
host_connectNC.Close();
Close();
return;
}
try
{
receive_socket = (Socket)asy_result.AsyncState;
receive_NC = new Net_class(receive_socket);
IPEndPoint friend_endP = (IPEndPoint)receive_socket.RemoteEndPoint;
string friend_ip = friend_endP.Address.ToString();
}
catch
{
return;
}
try
{
int receive_len;
string message = receive_NC.Receive_string(asy_result, buffer_member_receive, out receive_len);
//聊天信息
if (receive_len > 1 && message[0] == 0)
{
parse_string_msg(buffer_member_receive, receive_len, out string his_name, out string msg);
add_msg2list(his_name, msg, Color.Black);
}
//收到成员名
else if (receive_len > 1 && buffer_member_receive[0] == 1)
{
listView_members.Items.Clear();//首先清空列表
int name_num = (receive_len - 1) / name_len;
string host_name = message.Substring(1, name_len);
addMember2list("群主", host_name, Color.Black);
for (int i = 1; i < name_num; i++)
{
string his_name = message.Substring(1 + name_len * i, name_len);
Color c = his_name == my_name ? Color.Green : Color.Black;
addMember2list("成员", his_name, c);
}
}
//收到文件
else if (receive_len > 1 && buffer_member_receive[0] == 2)
{
string file_suffix = applying_file.name.Substring(applying_file.name.LastIndexOf('.'));
DialogResult re = MessageBox.Show("文件已收到：" + applying_file.name + "，是否接收？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
if (re == DialogResult.No)
{
return;
}
SaveFileDialog save_file_Dialog = new SaveFileDialog()
{
Filter = "(*" + file_suffix + ")|*" + file_suffix + "",
FileName = applying_file.name
};
string savePath;
if (save_file_Dialog.ShowDialog(this) == DialogResult.OK)
{
savePath = save_file_Dialog.FileName;
using (FileStream fs = new FileStream(savePath, FileMode.Append, FileAccess.Write))
{
fs.Write(buffer_member_receive, 1, receive_len - 1);
fs.Flush();
fs.Close();
}
add_msg2list("系统消息：", "接受到的文件已经保存：" + savePath, Color.Red);
}
}
//收到文件信息
else if (receive_len > 1 && buffer_member_receive[0] == 3)
{
if (parse_file_msg(buffer_member_receive, receive_len, out string his_name, out myFileInfo file_info))
{
add_file2list(file_info, his_name, Color.Black);
}
}
//群组解散
else if (receive_len > 1 && buffer_member_receive[0] == 4)
{
string msg = Encoding.UTF8.GetString(buffer_member_receive, 1, receive_len - 1);
if (msg == "q")
{
MessageBox.Show("群组已解散！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
client_activeClose = false;
host_connectNC.Close();
this.Close();
return;
}
}
//没有找到文件
if (receive_len > 1 && message[0] == 5)
{
add_msg2list("系统消息：", "没有找到文件:" + applying_file.name, Color.Red);
}
receive_socket.BeginReceive(buffer_member_receive, 0, buffer_member_receive.Length, SocketFlags.None, new AsyncCallback(member_receive), receive_socket);
}
catch (SocketException e)
{
//MessageBox.Show(e.ToString(), "异常", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
