我在使用c＃制作的文件服务器时遇到了一些问题。问题是，当我在我的计算机上运行服务器和客户端时，它们工作正常，但是当我在另一台计算机上使用客户端时，客户端会在服务器完成发送之前接收该文件。任何输入都会有帮助。感谢。
服务器：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net;
using System.Net.Sockets;
using System.IO;
namespace PortalServer
{
class Program
{
static Stream stream01;
static long length;
static int int04;
static int int03;
static int int02;
static int int01;
static TcpListener tcp01;
static TcpClient tcp02;
static FileStream s01;
static byte[] data01;
static byte[] data02;
static byte[] data03;
static byte[] data04;
static byte[] data05;
static string str01;
static string str02;
static IPEndPoint ipe01;
static string port01;
static void Main(string[] args)
{
while (true)
{
label1:
try
{
string version = "V:1.1.1";
Console.Title = (" Portal Server " + version);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine();
Console.WriteLine(" PORTAL SERVER " + version);
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
data02 = new byte[1];
Console.Write(" Enter port for connecting clients : ");
port01 = Console.ReadLine();
Console.Write(" Enter path of file to send : ");
str01 = Console.ReadLine();
ipe01 = new IPEndPoint(IPAddress.Any, Convert.ToInt32(port01));
tcp01 = new TcpListener(ipe01);
Console.Write(" Enter server message : ");
str02 = Console.ReadLine();
s01 = File.OpenRead(@str01);
length = s01.Length;
Console.WriteLine(" Computing optimum byte size...");
for (int i = 1; i <= 30000; i++)
{
if (s01.Length % i == 0) { int02 = i; }
}
if (length < 65000) { int02 = Convert.ToInt32(length); }
Console.WriteLine(" Done." + " Optimum byte size is " + int02);
tcp01.Start();
Console.WriteLine(" Server started. Waiting for clients...");
tcp02 = tcp01.AcceptTcpClient();
stream01 = tcp02.GetStream();
Console.WriteLine(" Client " + tcp02.Client.RemoteEndPoint.ToString() + " connected.");
data05 = Encoding.UTF8.GetBytes(str02);
stream01.Write(data05, 0, data05.Length);
System.Threading.Thread.Sleep(500);
data04 = Encoding.UTF8.GetBytes(str01);
stream01.Write(data04, 0, data04.Length);
System.Threading.Thread.Sleep(500);
data03 = Encoding.UTF8.GetBytes(length.ToString());
stream01.Write(data03, 0, data03.Length);
System.Threading.Thread.Sleep(500);
Console.WriteLine(" Waiting for response...");
stream01.Read((new byte[1]), 0, 1);
Console.WriteLine(" Received response...");
Console.WriteLine(" Sending file to " + tcp02.Client.RemoteEndPoint.ToString() + "...");
int03 = (Convert.ToInt32(length) / int02);
int04 = 0;
for (int01 = 0; int01 <= int03; int01++)
{
System.Threading.Thread.Sleep(1);
data01 = new byte[int02];
s01.Read(data01, 0, data01.Length);
stream01.Write(data01, 0, data01.Length);
stream01.Read(new byte[1], 0, 1);
}
s01.Close();
Console.WriteLine(" All data sent.");
Console.WriteLine(" Waiting for terminate message...");
stream01.Read((new byte[1]), 0, 1);
Console.WriteLine(" Received terminate message.");
tcp02.Close();
Console.WriteLine(" Stopping client and server.");
tcp01.Stop();
Console.WriteLine(" Done. Restarting.");
}
catch (Exception e)
{
Console.WriteLine(" Error! : " + e.Message.ToString());
if (!(tcp02 == null)) { tcp02.Close(); }
if (!(tcp01 == null)) { tcp01.Stop(); goto label1; }
}
}
}
}
}
客户：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net;
using System.Net.Sockets;
using System.IO;
namespace PortalClient
{
class Program
{
static Stream stream01;
static byte[] data03;
static int int04;
static int int03;
static int int02;
static string str01;
static int length;
static IPEndPoint ipe01;
static TcpClient tcp01;
static FileStream s01;
static string ip01;
static string port01;
static string path01;
static byte[] data01;
static byte[] data02;
static byte[] data04;
static byte[] data05;
static void Main(string[] args)
{
while (true)
{
label1:
{
try
{
string version = "V:1.1.1";
Console.Title = (" Portal Client " + version);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine();
Console.WriteLine(" PORTAL CLIENT " + version);
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
data01 = new byte[20];
data03 = new byte[100];
data04 = new byte[100];
Console.Write(" Enter IPv4 address of server : ");
ip01 = Console.ReadLine();
Console.Write(" Enter port to connect on : ");
port01 = Console.ReadLine();
ipe01 = new IPEndPoint(IPAddress.Parse(ip01), Convert.ToInt32(port01));
tcp01 = new TcpClient();
Console.WriteLine(" Connecting...");
tcp01.Connect(ipe01);
Console.WriteLine(" Done.");
stream01 = tcp01.GetStream();
Console.WriteLine(" Stream aquired.");
stream01.Read(data04, 0, data04.Length);
System.Threading.Thread.Sleep(100);
Console.WriteLine(" Server message : " + Encoding.UTF8.GetString(data04));
stream01.Read(data03, 0, data03.Length);
System.Threading.Thread.Sleep(100);
Console.WriteLine(" File on server : " + Encoding.UTF8.GetString(data03));
stream01.Read(data01, 0, data01.Length);
System.Threading.Thread.Sleep(100);
str01 = Encoding.UTF8.GetString(data01);
Console.WriteLine();
Console.WriteLine(" file size : " + str01);
Console.WriteLine();
Console.Write(" Enter the number you see above : ");
length = Convert.ToInt32(Console.ReadLine());
Console.WriteLine(" Computing optimum byte size...");
for (int i = 1; i <= 30000; i++)
{
if (length % i == 0) { int02 = i; }
}
if (length < 65000) { int02 = Convert.ToInt32(length); }
Console.WriteLine(" Done. Optimum byte size is " + int02);
int03 = (length / int02);
int04 = 0;
Console.Write(" Save file as : ");
path01 = Console.ReadLine();
s01 = File.OpenWrite(@path01);
Console.WriteLine(" Receiving file from " + tcp01.Client.RemoteEndPoint.ToString() + "...");
stream01.Write((new byte[1]), 0, 1);
System.Threading.Thread.Sleep(1000);
for (int i = 0; i <= int03; i++)
{
data02 = new byte[65000];
data05 = new byte[int02];
stream01.Read(data02, 0, data02.Length);
Buffer.BlockCopy(data02, 0, data05, 0, int02);
System.Threading.Thread.Sleep(1);
s01.Write(data05, 0, data05.Length);
stream01.Write(new byte[1], 0, 1);
}
Console.WriteLine(" Received all data.");
Console.WriteLine(" Press enter to disconnect...");
Console.ReadLine();
stream01.Write((new byte[1]), 0, 1);
Console.WriteLine(" Disconnecting...");
s01.Close();
stream01.Close();
tcp01.Close();
Console.WriteLine(" Done.");
}
catch (Exception e)
{
Console.WriteLine(" Error! : " + e.Message.ToString()); if (!(tcp01 == null)) { tcp01.Close(); } if (!(s01 == null)) { s01.Close(); goto label1; }
}
}
}
}
}
}
答案 0 :(得分：1)
检查Stream.Read（）
上的documentation您传递的最后一个参数是要读取的“最大”字节数，它并不能保证它会读取您在一次调用中要求的所有字节。
Read方法返回读取的实际字节数，然后您可以决定是否需要再次调用它以获得更多，如果您期望更多。您还需要管理后续字节的读取到您传递的数组中的正确位置等。