Sockets 套接字低传输速度-Win7.Net4-CentOSx64 Mono 2.10
我创建了一个简单的客户机/服务器应用程序,当我在本地或局域网下运行时,它工作得非常好(1MB/s,这是我为服务器设置的最大发送速度)。但是当我尝试在我的专用服务器/VPS中运行它时,我的下载速度变慢了。 我在服务器上使用CentOS,运行它的是Mono,Mono版本是2.10.2,CentOS是64位版本。使用框架4创建 速度测试: 本地:1MB 局域网:1MB 在CentOS上运行服务器:0~10~20 KB 我的连接速度是2Mb或~250KB。有时它会让我全速前进。但非常罕见,我不明白为什么它有时会让我全速,有时根本没有速度,或者为什么有时只有10KB,有时只有20KB。此外,我正在Win7桌面上运行客户端。以下是服务器和客户端部分的代码: 服务器:Sockets 套接字低传输速度-Win7.Net4-CentOSx64 Mono 2.10,sockets,c#-4.0,mono,client-server,centos,Sockets,C# 4.0,Mono,Client Server,Centos,我创建了一个简单的客户机/服务器应用程序,当我在本地或局域网下运行时,它工作得非常好(1MB/s,这是我为服务器设置的最大发送速度)。但是当我尝试在我的专用服务器/VPS中运行它时,我的下载速度变慢了。 我在服务器上使用CentOS,运行它的是Mono,Mono版本是2.10.2,CentOS是64位版本。使用框架4创建 速度测试: 本地:1MB 局域网:1MB 在CentOS上运行服务器:0~10~20 KB 我的连接速度是2Mb或~250KB。有时它会让我全速前进。但非常罕见,我不明白为什么
class Program
{
private static BackgroundWorker _ListeningWorker;
private static BackgroundWorker _QWorker;
private static System.Net.Sockets.Socket _Server;
private static List<System.Net.Sockets.Socket> ConnectedClients = new List<System.Net.Sockets.Socket>();
static void Main(string[] args)
{
Program._ListeningWorker = new BackgroundWorker();
Program._ListeningWorker.WorkerSupportsCancellation = true;
Program._ListeningWorker.DoWork += _ListeningWorker_DoWork;
Program._QWorker = new BackgroundWorker();
Program._QWorker.WorkerSupportsCancellation = true;
Program._QWorker.DoWork += _QWorker_DoWork;
Program.Start();
while (true)
{
Console.Clear();
Console.WriteLine("1.0.0.1");
Console.WriteLine(Program.ConnectedClients.Count.ToString());
System.Threading.Thread.Sleep(1000);
}
}
public static bool Start()
{
if (!Program._ListeningWorker.IsBusy)
{
Program._Server = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipLocal = new IPEndPoint(IPAddress.Any, 8081);
Program._Server.Bind(ipLocal);
Program._Server.Listen(10);
Program._ListeningWorker.RunWorkerAsync();
Program._QWorker.RunWorkerAsync();
}
return true;
}
private static void _ListeningWorker_DoWork(object sender, DoWorkEventArgs e)
{
while (!Program._ListeningWorker.CancellationPending)
{
if (Program._Server.Poll(10, SelectMode.SelectRead))
{
lock (ConnectedClients)
{
Program.ConnectedClients.Add(Program._Server.Accept());
}
}
System.Threading.Thread.Sleep(1);
}
Program._Server.Close();
}
private static void _QWorker_DoWork(object sender, DoWorkEventArgs e)
{
byte[] array = new byte[1024];
Random random = new Random();
while (!Program._QWorker.CancellationPending)
{
if (ConnectedClients.Count > 0)
{
System.Net.Sockets.Socket[] st;
lock (ConnectedClients)
{
st = new System.Net.Sockets.Socket[Program.ConnectedClients.Count];
ConnectedClients.CopyTo(st);
}
foreach (System.Net.Sockets.Socket ser in st)
{
random.NextBytes(array);
try
{
ser.BeginSend(array, 0, array.Length, SocketFlags.None, (AsyncCallback)delegate(IAsyncResult ar)
{
try
{
ser.EndSend(ar);
}
catch (Exception)
{
iDissconnected(ser);
}
}, null);
}
catch (Exception)
{
iDissconnected(ser);
}
}
}
System.Threading.Thread.Sleep(1);
}
Program._Server.Close();
}
internal static void iDissconnected(System.Net.Sockets.Socket client)
{
lock (ConnectedClients)
for (int i = 0; i < ConnectedClients.Count; i++)
if (ConnectedClients[i].Equals(client))
{
ConnectedClients.RemoveAt(i);
i--;
}
}
}
类程序
{
私有静态后台工作人员_listingworker;
私人静态后台工作人员;
专用静态System.Net.Sockets.Socket\u服务器;
private static List ConnectedClients=new List();
静态void Main(字符串[]参数)
{
程序。_listengWorker=新的BackgroundWorker();
程序。_listingworker.WorkerSupportsCancellation=true;
程序._listingworker.DoWork+=\u listingworker\u DoWork;
程序。QWorker=newbackgroundworker();
程序.QWorker.workerSupportsScanCellation=true;
程序._QWorker.DoWork+=\u QWorker\u DoWork;
Program.Start();
while(true)
{
Console.Clear();
Console.WriteLine(“1.0.0.1”);
Console.WriteLine(Program.ConnectedClients.Count.ToString());
系统线程线程睡眠(1000);
}
}
公共静态boolstart()
{
如果(!Program.\u listingworker.IsBusy)
{
Program._Server=new System.Net.Sockets.Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
IPEndPoint ipLocal=新的IPEndPoint(IPAddress.Any,8081);
程序_Server.Bind(ipLocal);
程序。_服务器。侦听(10);
程序。_listingworker.RunWorkerAsync();
程序.QWorker.RunWorkerAsync();
}
返回true;
}
私有静态void _listingworker _DoWork(对象发送方,DoWorkEventArgs e)
{
而(!Program.\u ListingWorker.CancellationPending)
{
if(程序\服务器轮询(10,选择模式。选择读取))
{
锁定(已连接客户端)
{
Program.ConnectedClients.Add(Program._Server.Accept());
}
}
系统线程线程睡眠(1);
}
程序。_Server.Close();
}
私有静态void\u QWorker\u DoWork(对象发送方,DoWorkEventArgs e)
{
字节[]数组=新字节[1024];
随机=新随机();
while(!Program.\u QWorker.CancellationPending)
{
如果(ConnectedClients.Count>0)
{
System.Net.Sockets.Socket[]st;
锁定(已连接客户端)
{
st=新系统.Net.Sockets.Socket[Program.ConnectedClients.Count];
已连接的客户端。复制到(st);
}
foreach(st中的System.Net.Sockets.Socket ser)
{
随机。下一个字节(数组);
尝试
{
ser.BeginSend(数组,0,数组.Length,SocketFlags.None,(异步回调)委托(IAsyncResult ar)
{
尝试
{
服务端发送(ar);
}
捕获(例外)
{
IDisconnected(ser);
}
},空);
}
捕获(例外)
{
IDisconnected(ser);
}
}
}
系统线程线程睡眠(1);
}
程序。_Server.Close();
}
内部静态无效IDisconnected(System.Net.Sockets.Socket客户端)
{
锁定(已连接客户端)
对于(int i=0;i
客户:
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Enter IP Address: ");
string Address = Console.ReadLine();
Console.WriteLine();
ushort Port = 8081;
System.Net.Sockets.Socket Client;
Client = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Client.Connect(Address, (int)Port);
Console.WriteLine("Connected");
int p = 0;
int t = Environment.TickCount;
while (true)
{
if (Client.Available > 0)
{
byte[] z = new byte[1024];
int r = Client.Receive(z); ;
p += r;
}
else
{
System.Threading.Thread.Sleep(10);
}
if (Environment.TickCount - t >= 1000)
{
t = Environment.TickCount;
Console.WriteLine(Program.FormatFileSizeAsString(p) + " Readed,");
p = 0;
}
}
}
public static string FormatFileSizeAsString(int len)
{
if (len < 750 && len > 0)
return "0.0 B ~";
string[] Suffix = { "B", "KB", "MB", "GB", "TB" };
int i;
double dblSByte = len;
for (i = 0; (int)(len / 1024) > 0; i++, len /= 1024)
dblSByte = len / 1024.0;
return String.Format("{0:0.0} {1}", dblSByte, Suffix[i]);
}
}
类程序
{
静态void Main(字符串[]参数)
{
Console.WriteLine(“输入IP地址:”);
字符串地址=Console.ReadLine();
Console.WriteLine();
ushort端口=8081;
System.Net.Sockets.Socket客户端;
Client=new System.Net.Sockets.Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
Client.Connect(地址,(int)端口);
控制台。写入线(“连接”);
int p=0;
int t=Environment.TickCount;
while(true)
{
如果(Client.Available>0)
{
字节[]z=新字节[1024];
int r=客户端接收(z);
p+=r;
}
其他的
{
系统线程线程睡眠(10);
}
如果(Environment.TickCount-t>=1000)
{
t=Environment.TickCount;
Console.WriteLine(Program.FormatFileSizeAsString(p)+“Readed”);
p=0;
}
}
}
公共静态字符串格式filesizeasstring(int len)
{
如果(len<750&&len>0)
返回“0.0b~”;
字符串[]后缀={“B”、“KB”、“MB”、“GB”、“TB”};
int i;
双dblSByte=len;
对于(i=0;(int)(len/1024)>0;i++,len/=1024)
dbl