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| using System;
using System.Text;
using System.Net.Sockets;
using System.Threading;
using System.Net;
using System.IO;
namespace VoiceServer2_0
{
class Server
{
private TcpListener tcpListener;
private Thread listenThread;
public Server(int PortNumber = 5000)
{
this.tcpListener = new TcpListener(IPAddress.Any, PortNumber);
this.listenThread = new Thread(new ThreadStart(ListenForClients));
this.listenThread.Start();
}
private void ListenForClients()
{
this.tcpListener.Start();
while (true)
{
//blocks until a client has connected to the server
TcpClient client = this.tcpListener.AcceptTcpClient();
//create a thread to handle communication
//with connected client
Thread clientThread = new Thread(new ParameterizedThreadStart(HandleClientComm));
clientThread.Start(client);
}
}
private void HandleClientComm(object client)
{
TcpClient tcpClient = (TcpClient)client;
NetworkStream clientStream = tcpClient.GetStream();
byte[] message = new byte[6];
int bytesRead;
while (true)
{
bytesRead = 0;
try
{
//blocks until a client sends a message
bytesRead = clientStream.Read(message,0,6);
}
catch
{
//a socket error has occured
break;
}
if (bytesRead != 6)
{
//the client has disconnected from the server
break;
}
var log = new StreamWriter("log.txt"); //ошибка вот с этим файлом
//Retrive header from client
string header = System.Text.Encoding.Default.GetString(message);
int Senderid = (int)message[0];
string cmd = header.Substring(1, 4);
int ReceiverId = (int)message[5];
bytesRead = 0;
Console.WriteLine("{0} Command {1} received from {2} ",DateTime.Now, cmd, Senderid);
Console.WriteLine("");
log.WriteLine ("{0} Command {1} received from {2} ", DateTime.Now, cmd, Senderid);
log.Close(); //+//
switch (cmd)
{
//Receive file from SenderID and save it in /<SenderId>/<Filename>
case "SEND":
byte[] myReadBuffer = new byte[1024];
Random RandomMessageId = new Random();
//DateTime DateMessage = new DateTime();
string s = DateTime.Now.ToString("dd-MM-yy_HH-mm-ss");
//string FileName ="From"+ Convert.ToString(Senderid)+ "_" + Convert.ToString(RandomMessageId.Next(1,1000000)) + ".wav";
string FileName ="From"+ Convert.ToString(Senderid)+ "_" + s + ".wav";
//Create Inbox Directory for Receiver if needed
if(Directory.Exists(Convert.ToString(ReceiverId)) == false)
Directory.CreateDirectory(Convert.ToString(ReceiverId));
string SavePath = Convert.ToString(ReceiverId) + "//" + FileName;
//Read data from Cliet by 1024 block and write to file. If file exist - append to this file. Otherwise create it
for (; ; )
{
bytesRead = clientStream.Read(myReadBuffer, 0, myReadBuffer.Length);
if (bytesRead == 0)
break;
if (File.Exists(SavePath) == false)
{
using (var stream = new FileStream(SavePath, FileMode.OpenOrCreate))
{
stream.Write(myReadBuffer, 0, myReadBuffer.Length);
stream.Close();
}
}
else
{
using (var stream = new FileStream(SavePath, FileMode.Append))
{
stream.Write(myReadBuffer, 0, myReadBuffer.Length);
stream.Close();
}
}
}
// Print out the received message to the console.
Console.WriteLine("Saved as " + FileName);
Console.WriteLine("");
log.WriteLine("Saved as " + FileName);
log.Close(); //+//
break;
//Send the list of inbox messages
case "LIST":
string SearchPath = Convert.ToString(Senderid) + "//";
if (Directory.Exists(Convert.ToString(Senderid)) == false)
Directory.CreateDirectory(Convert.ToString(Senderid));
//Check if directory is not empty
if (Directory.GetFiles(SearchPath).Length != 0)
{
string[] Files = Directory.GetFiles(SearchPath);
StringBuilder FileList = new StringBuilder();
foreach (string file in Files)
{
FileList.AppendLine(file);
//FileList.AppendLine(file.Substring(file.LastIndexOf("From")));
}
string tmp = Convert.ToString(FileList);
byte[] SendAsBytes = Encoding.ASCII.GetBytes(tmp);
clientStream.Write(SendAsBytes, 0, SendAsBytes.Length);
}
else
{
//If directory is null - send message 255 (Inbox is empty)
clientStream.WriteByte(255);
}
break;
case "GETM" :
byte[] RequestedFile = new byte [1024];
int NumberOfBytesRead;
NumberOfBytesRead = clientStream.Read(RequestedFile,0,RequestedFile.Length);
string ReqFile = Encoding.ASCII.GetString(RequestedFile,0,NumberOfBytesRead);
string SenderID = Convert.ToString(Senderid);
byte[] buff = File.ReadAllBytes(SenderID + "//" + ReqFile);
clientStream.Write(buff, 0, buff.Length);
// File.WriteAllBytes("log.wav", buff);
Console.WriteLine("File " + ReqFile + " sent to " + SenderID);
log.WriteLine("File " + ReqFile + " sent to " + SenderID);
break;
//Новый метод удаления
case "DEL":
byte[] RequestedFile1 = new byte [2024];
int NumberOfBytesReadDel;
NumberOfBytesReadDel = clientStream.Read(RequestedFile1, 0, RequestedFile1.Length);
string ReqFile1 = Encoding.ASCII.GetString(RequestedFile1,0,NumberOfBytesReadDel);
string SenderID1 = Convert.ToString(Senderid);
File.Delete(SenderID1 + "//" + ReqFile1);
string SearchPath1 = Convert.ToString(Senderid) + "//";
//Check if directory is not empty
if (Directory.GetFiles(SearchPath1).Length != 0)
{
string[] Files = Directory.GetFiles(SearchPath1);
StringBuilder FileList = new StringBuilder();
foreach (string file in Files)
{
FileList.AppendLine(file);
// FileList.AppendLine(file.Substring(file.LastIndexOf("From")));
}
string tmp = Convert.ToString(FileList);
byte[] SendAsBytes = Encoding.ASCII.GetBytes(tmp);
clientStream.Write(SendAsBytes, 0, SendAsBytes.Length);
}
else
{
//If directory is null - send message 255 (Inbox is empty)
clientStream.WriteByte(255);
}
break;
}
//log.Close();
}
tcpClient.Close();
}
}
} |
(
Сообщение от koresch
