void unregisterFileServer(string ip, int port)
{
uiWriteLog("> unregister file server " + ip + " " + port.ToString());
lock (FileServers)
{
for (int i = 0; i < FileServers.Count; i++)
{
if (FileServers[i].Ip == ip && FileServers[i].Port == port)//нашли файлсервер
{
ServerInfo fileServer = FileServers[i];
lock (Files)//удаляем файлы этого файл серера
{
List <FileInfo> filesToDelete = new List <FileInfo>();
foreach (FileInfo f in fileServer.fileInfos)
{
filesToDelete.Add(f);
NetCommand deletefileCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses( Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!deletefile",
parameters = f.Filename
};
SendCmdToAllServers(deletefileCmd);
}
foreach (FileInfo f in filesToDelete)//удаляем из коллекции
{
Files.Remove(f);
}
lock (lbFiles)
{
lbFiles.Invoke(UpdateFilesListD);
}
}
FileServers.RemoveAt(i); //удаляем из коллекции. Сообщать никому не надо.
lock (lbFileServers)
{
lbFileServers.Invoke(UpdateFileServerListD);
}
break;
}
}
}
}
void getFileList(NetStreamReaderWriter stream)
{
NetCommand getFileListCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),
//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!getfilelist",
parameters = ""
};
stream.WriteCmd(getFileListCmd);
NetCommand ansGetFilelist = stream.ReadCmd();
if (ansGetFilelist.cmd != "!filelist")
{
return;
}
string filesStr = ansGetFilelist.parameters;
string[] filesList = filesStr.Split(new char[] { '|' });
lock (Files)
{
foreach (string f in filesList)
{
Files.Add(new FileInfo()
{
Filename = f
});
}
lock (lbFiles)
{
lbFiles.Invoke(UpdateFilesListD);
}
}
}
void SendFileList(Stream stream)//в ответ
{
NetStreamReaderWriter ns = new NetStreamReaderWriter(stream);
string line = "";
for (int i = 0; i < Files.Count; i++)
{
line += Files[i].Filename;
if (i != Files.Count - 1)
{
line += "|";
}
}
NetCommand fileListCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!filelist",
parameters = line
};
ns.WriteCmd(fileListCmd);
}
//для команд
public void WriteCmd(NetCommand cmd)
{
WriteLine(cmd.ToString());
}
void SendCmdToAllServers(NetCommand cmd)
{
SendTextToAllServers(cmd.ToString());
}
//void DoCommunicateWithsServer(object tcpclient)
//{
// using (TcpClient tcpClient = (TcpClient)tcpclient)
// using (NetworkStream ns = tcpClient.GetStream())
// {
// NetStreamReaderWriter netStream = new NetStreamReaderWriter(ns);
// string []parameters;
// string cmd;
// string line;
// string param; //если параметр 1
// while (tcpClient.Connected)
// {
// try
// {
// line = netStream.ReadLine();
// parameters = line.Split(new char[] { ' ' });
// cmd = parameters[0];
// param = line.Substring(cmd.Length);
// switch (cmd)
// {
// case "!who": //к кому я подключился?
// lock (tcpclient)
// {
// netStream.WriteLine("dispatcher");
// }
// break;
// case "!register": //зарегистрируй меня
// if (AddServer(parameters[1], parameters[2], Convert.ToInt32(parameters[3])))
// {
// lock (tcpclient)
// {
// netStream.WriteLine("registered");
// }
// //TODO
// //getClientListFromServer(netStream);
// }
// else
// {
// lock (tcpclient)
// {
// netStream.WriteLine("notregistered");
// }
// }
// break;
// case "!getserverlist": //дай мне список серверв сообщений
// lock (tcpclient)
// {
// SendServerList(ns);
// }
// break;
// case "!getclientlist": //дай мне список клиентов
// lock (tcpclient)
// {
// SendClientList(ns);
// }
// break;
// case "!clientregistered": //появился новый клиент
// if( RegisterClient(param))
// SendTextToAllServers(line);
// break;
// case "!clientunregistered":
// UnregisterClient(param);
// SendTextToAllServers(line);
// break;
// case "!getfilelist":
// lock (tcpclient)
// {
// SendFileList(ns);
// }
// break;
// case "!getfreefileserver":
// lock (tcpclient)
// {
// if (FileServers.Count > 0)
// {
// ServerInfo fileServ;
// lock (FileServers)
// {
// Random r = new Random();
// int i = r.Next(0, FileServers.Count - 1);
// fileServ = FileServers[i];
// }
// netStream.WriteLine(String.Format("{0} {1}", fileServ.Ip, fileServ.Port));
// }
// else
// {
// netStream.WriteLine("error");
// }
// }
// break;
// case "!getfileserver":
// //////////////////////////////////////TODO
// break;
// default:
// MessageBox.Show("Dispatcher: Неизвестная команда. "+line);
// break;
// }
// }
// catch (IOException ioex)
// {
// tbLog.Text += Environment.NewLine + ioex.Message;
// System.Diagnostics.Debug.WriteLine("Dispatcher :" + ioex.Message);
// }
// }
// }
//}
void DoCommunicateWithsServer_V2(object tcpclient)
{
using (TcpClient tcpClient = (TcpClient)tcpclient)
using (NetworkStream ns = tcpClient.GetStream())
{
ServerInfo serverInfo = null;
NetStreamReaderWriter netStream = new NetStreamReaderWriter(ns);
string[] parameters;
NetCommand command;
if (tcpClient.Connected)
{
try
{
while (tcpClient.Available < 1)//пока ничего не пришло ждем
{
Thread.Sleep(200);
if (!tcpClient.Connected)
{
return;
}
}
command = netStream.ReadCmd();
parameters = command.parameters.Split(new char[] { ' ' });
uiWriteLog(string.Format("> cmd from msgserver {0}", command));
switch (command.cmd)
{
case "!who": //к кому я подключился?
NetCommand dispatcherCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!dispatcher"
};
netStream.WriteCmd(dispatcherCmd);
break;
case "!register": //зарегистрируй меня
if (AddServer(command.sender, command.Ip, command.Port, out serverInfo))
{
NetCommand registredCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!registered"
};
netStream.WriteCmd(registredCmd);
}
else
{
NetCommand notRegistredCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!notregistered",
parameters = ""
};
netStream.WriteCmd(notRegistredCmd);
}
break;
case "!getserverlist": //дай мне список серверв сообщений
SendServerList(ns);
break;
case "!getclientlist": //дай мне список клиентов
SendClientList(ns);
break;
case "!clientregistered": //появился новый клиент
if (RegisterClient(command.parameters, command.Ip, command.Port))
{
netStream.WriteCmd(CreateStandardAnswer());
NetCommand c = command.Clone();//адрес отправителя уже другой
c.Ip = Dns.GetHostAddresses(Dns.GetHostName())[0].ToString();
SendCmdToAllServers(c);
}
break;
case "!clientunregistered":
UnregisterClient(command.parameters);
{
netStream.WriteCmd(CreateStandardAnswer());
NetCommand c = command.Clone(); //адрес отправителя уже другой
c.Ip = DispatcherIP.ToString(); //Dns.GetHostAddresses(Dns.GetHostName())[0].ToString();
c.Port = 501;
SendCmdToAllServers(c);
}
lock (MsgServers)
{
//находим сервер
ServerInfo server1 = MsgServers.Find((ServerInfo serv) => { return(serv.Ip == command.Ip && serv.Port == command.Port); });
if (server1 != null)
{
server1.clientInfos.RemoveAll((ClientInfo cli) => { return(cli.ClientName == command.parameters); });
}
}
break;
case "!getfilelist":
SendFileList(ns);
break;
case "!getfreefileserver":
if (FileServers.Count > 0)
{
ServerInfo fileServ;
lock (FileServers)
{
Random r = new Random();
int i = r.Next(0, FileServers.Count - 1);
fileServ = FileServers[i];
}
NetCommand freeFileServerCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!freefileserver",
parameters = String.Format("{0} {1}", fileServ.Ip, fileServ.Port)
};
netStream.WriteCmd(freeFileServerCmd);
}
else
{
NetCommand errorCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!error",
parameters = ""
};
netStream.WriteCmd(errorCmd);
}
break;
case "!ping":
if (command.sender == "msgserver")
{
lock (MsgServers)
{
ServerInfo si = MsgServers.Find((ServerInfo s) => { return(s.Ip == command.Ip && s.Port == command.Port); });
if (si != null)
{
si.lastPingTime = DateTime.Now;
}
else
{
MessageBox.Show("Пингующий сервер (СОС) не найден!", "Так быть не должно");
}
}
}
if (command.sender == "fileserver")
{
lock (FileServers)
{
ServerInfo si = FileServers.Find((ServerInfo s) => { return(s.Ip == command.Ip && s.Port == command.Port); });
if (si != null)
{
si.lastPingTime = DateTime.Now;
}
else
{
MessageBox.Show("Пингующий файл сервер не найден!", "Так быть не должно");
}
}
}
if ((command.sender == "msgserver") || (command.sender == "fileserver"))
{
NetCommand pongCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 501,
sender = "dispatcher",
cmd = "!pong",
parameters = ""
};
netStream.WriteCmd(pongCmd);
}
break;
case "!getfileserver":
//////////////////////////////////////TODO
break;
default:
MessageBox.Show("Dispatcher: Неизвестная команда. " + command.ToString());
break;
}
}
catch (IOException ioex)
{
//tbLog.Text += Environment.NewLine + ioex.Message;
System.Diagnostics.Debug.WriteLine("Dispatcher :" + ioex.Message);
}
}
}
}
void DoCommunicateWithClient(object tcpclient)
{
uiWriteLog(string.Format("> client connecting.."));
using (TcpClient tcpClient = (TcpClient)tcpclient)
using (NetworkStream ns = tcpClient.GetStream())
{
NetStreamReaderWriter nsrw = new NetStreamReaderWriter(ns);
while (tcpClient.Connected)//??
{
try
{
NetCommand command = nsrw.ReadCmd();
uiWriteLog(string.Format("> cmd from client {0}", command));
switch (command.cmd)
{
case "!who":
NetCommand dispatcherCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 500,
sender = "dispatcher",
cmd = "!dispatcher"
};
nsrw.WriteCmd(dispatcherCmd);
break;
case "!getserver":
ServerInfo msgServ;
lock (MsgServers)
{
Random r = new Random(DateTime.Now.Millisecond);
if (MsgServers.Count != 0)
{
int i = r.Next(0, MsgServers.Count);
msgServ = MsgServers[i];
NetCommand msgServerCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 500,
sender = "dispatcher",
cmd = "!msgserver",
parameters = String.Format("{0} {1}", msgServ.Ip, msgServ.Port)
};
nsrw.WriteCmd(msgServerCmd);
}
else
{
NetCommand hasNotServerCmd = new NetCommand()
{
Ip = DispatcherIP.ToString(),//Dns.GetHostAddresses(Dns.GetHostName())[0].ToString(),
Port = 500,
sender = "dispatcher",
cmd = "!hasnotserver",
parameters = ""
};
nsrw.WriteCmd(hasNotServerCmd);
}
}
break;
}
}
catch (IOException ioex)
{
System.Diagnostics.Debug.AutoFlush = true;
System.Diagnostics.Debug.WriteLine("Client. " + ioex.Message);
//tbLog.Text +=Environment.NewLine+ ioex.Message ;
}
}
}
}
void SendCmd(string ip, int port, NetCommand cmd)
{
SendText(ip, port, cmd.ToString());
}
