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;
using System.Threading;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace IMbySocketSimple
{
class ChatBox
{
int port = 52168;
static void Main(string[] args)
{
ChatBox chatBox = new ChatBox();
if (args.Length == 0)
chatBox.ServerMain();
else
chatBox.ClientMain(args[0]);
}
public void ServerMain()
{
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, port);
Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
newsock.Bind(ipep);
newsock.Listen(10);
Socket client = newsock.Accept();
new TcpListener(client); // create a new thread and then receive message.
newsock.Close();
}
public void ClientMain(String ip)
{
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(ip), port);
Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
server.Connect(ipep);
new TcpListener(server);
server.Shutdown(SocketShutdown.Both);
server.Close();
}
}
public class TcpListener
{
Socket socket;
Thread inThread, outThread;
NetworkStream stream;
StreamReader reader;
StreamWriter writer;
volatile bool alive;
public TcpListener(Socket s)
{
socket = s;
alive = true;
stream = new NetworkStream(s);
reader = new StreamReader(stream);
writer = new StreamWriter(stream);
inThread = new Thread(new ThreadStart(inLoop));
inThread.Start();
outThread = new Thread(new ThreadStart(outLoop));
outThread.Start();
inThread.Join();
//while (true)
// if (!outThread.IsAlive)
// {
// inThread.Abort();
// break;
// }
}
public void inLoop()
{
while (alive)
{
String line = reader.ReadLine();
if (line.Contains("Exit"))
{
if (alive)
{
writer.WriteLine(line);
writer.Flush();
//SendKeys.Send(line /* + Environment.NewLine */);
alive = false;
}
}
else
{
Console.WriteLine("收到：" + line);
}
}
}
public void outLoop()
{
while (alive)
{
String line = Console.ReadLine();
if (!line.Contains("Exit"))
{
writer.WriteLine(line);
writer.Flush();
}
else
if (alive)
{
writer.WriteLine(line);
writer.Flush();
alive = false;
}
}
}
}
// 参考： http://blog.aggregatedintelligence.com/2009/04/net-sending-keys-to-keyboard-buffer.html
// 回送键盘缓冲区，在main中成功，但是在子线程中失败，原因待查。
public class SendKeys
{
/// <summary>
/// Sends the text to the keyboard buffer
/// </summary>
/// <param name="text"></param>
public static void Send(string text)
{
if (string.IsNullOrEmpty(text))
return;
uint numCharsToSend = (uint)(text.Length * 2); //keydown keyup
SendInputWin32.INPUT[] structInputArray = new SendInputWin32.INPUT[numCharsToSend];
int index = 0;
foreach (char key in text.ToCharArray())
{
//key down
SendInputWin32.INPUT structInputKeyDown = SendInputWin32.CreateNewINPUT(SendInputWin32.INPUT_KEYBOARD);
structInputKeyDown.ki.dwFlags = SendInputWin32.KEYEVENTF_UNICODE;
structInputKeyDown.ki.wScan = (ushort)key;
structInputArray[index++] = structInputKeyDown;
//key up
SendInputWin32.INPUT structInputKeyUp = SendInputWin32.CreateNewINPUT(SendInputWin32.INPUT_KEYBOARD);
structInputKeyUp.ki.dwFlags = SendInputWin32.KEYEVENTF_UNICODE | SendInputWin32.KEYEVENTF_KEYUP;
structInputKeyUp.ki.wScan = (ushort)key;
structInputArray[index++] = structInputKeyUp;
}
int sizeOfINPUT = Marshal.SizeOf(structInputArray[0]);
SendInputWin32.SendInput((numCharsToSend), ref structInputArray[0], sizeOfINPUT);
}
}
//And here is the code that provides all the constants, structures, and the PInvoke required to call SendInput.
public class SendInputWin32
{
public const ushort INPUT_MOUSE = 0x000;
public const ushort INPUT_KEYBOARD = 0x0001;
public const ushort INPUT_HARDWARE = 0x0002;
public const ushort KEYEVENTF_KEYUP = 0x0002;
public const ushort KEYEVENTF_KEYDOWN = 0x0000;
public const ushort KEYEVENTF_SCANCODE = 0x0008;
public const ushort KEYEVENTF_UNICODE = 0x0004;
public const ushort XBUTTON1 = 0x0001;
public const ushort XBUTTON2 = 0x0002;
public const ushort MOUSEEVENTF_MOVE = 0x0001;
public const ushort MOUSEEVENTF_LEFTDOWN = 0x0002;
public const ushort MOUSEEVENTF_LEFTUP = 0x0004;
public const ushort MOUSEEVENTF_RIGHTDOWN = 0x0008;
public const ushort MOUSEEVENTF_RIGHTUP = 0x0010;
public const ushort MOUSEEVENTF_MIDDLEDOWN = 0x0020;
public const ushort MOUSEEVENTF_MIDDLEUP = 0x0040;
public const ushort MOUSEEVENTF_XDOWN = 0x0080;
public const ushort MOUSEEVENTF_XUP = 0x0100;
public const ushort MOUSEEVENTF_WHEEL = 0x0800;
public const ushort MOUSEEVENTF_VIRTUALDESK = 0x4000;
public const ushort MOUSEEVENTF_ABSOLUTE = 0x8000;
public enum VK : ushort
{
SHIFT = 0x10,
CONTROL = 0x11, //ctrl key
MENU = 0x12, //alt key
ESCAPE = 0x1B,
BACK = 0x08,
TAB = 0x09,
RETURN = 0x0D,
PRIOR = 0x21,
NEXT = 0x22,
END = 0x23,
HOME = 0x24,
LEFT = 0x25,
UP = 0x26,
RIGHT = 0x27,
DOWN = 0x28,
SELECT = 0x29,
PRINT = 0x2A,
EXECUTE = 0x2B,
SNAPSHOT = 0x2C,
INSERT = 0x2D,
DELETE = 0x2E,
HELP = 0x2F,
NUMPAD0 = 0x60,
NUMPAD1 = 0x61,
NUMPAD2 = 0x62,
NUMPAD3 = 0x63,
NUMPAD4 = 0x64,
NUMPAD5 = 0x65,
NUMPAD6 = 0x66,
NUMPAD7 = 0x67,
NUMPAD8 = 0x68,
NUMPAD9 = 0x69,
MULTIPLY = 0x6A,
ADD = 0x6B,
SEPARATOR = 0x6C,
SUBTRACT = 0x6D,
DECIMAL = 0x6E,
DIVIDE = 0x6F,
F1 = 0x70,
F2 = 0x71,
F3 = 0x72,
F4 = 0x73,
F5 = 0x74,
F6 = 0x75,
F7 = 0x76,
F8 = 0x77,
F9 = 0x78,
F10 = 0x79,
F11 = 0x7A,
F12 = 0x7B,
OEM_1 = 0xBA, // ',:' for US
OEM_PLUS = 0xBB, // '+' any country
OEM_COMMA = 0xBC, // ',' any country
OEM_MINUS = 0xBD, // '-' any country
OEM_PERIOD = 0xBE, // '.' any country
OEM_2 = 0xBF, // '/?' for US
OEM_3 = 0xC0, // '`~' for US
MEDIA_NEXT_TRACK = 0xB0,
MEDIA_PREV_TRACK = 0xB1,
MEDIA_STOP = 0xB2,
MEDIA_PLAY_PAUSE = 0xB3,
LWIN = 0x5B, //windows key
RWIN = 0x5C //windows key
}
[StructLayout(LayoutKind.Sequential)]
public struct MOUSEINPUT
{
public int dx;
public int dy;
public uint mouseData;
public uint dwFlags;
public uint time;
public IntPtr dwExtraInfo;
}
[StructLayout(LayoutKind.Sequential)]
public struct KEYBDINPUT
{
public ushort wVk;
public ushort wScan;
/// <summary>
/// Set flags such as KEYEVENTF_KEYUP, UNICODE, etc
/// Flags should be combined using bitwise |
/// </summary>
public uint dwFlags;
public uint time;
public IntPtr dwExtraInfo;
}
[StructLayout(LayoutKind.Sequential)]
public struct HARDWAREINPUT
{
public uint uMsg;
public ushort wParamL;
public ushort wParamH;
}
[StructLayout(LayoutKind.Explicit)]
public struct INPUT
{
[FieldOffset(0)]
public int type;
[FieldOffset(4)] //*
public MOUSEINPUT mi;
[FieldOffset(4)] //*
public KEYBDINPUT ki;
[FieldOffset(4)] //*
public HARDWAREINPUT hi;
}
[DllImport("user32.dll")]
public static extern uint SendInput(uint nInputs, ref INPUT pInputs, int cbSize);
public static INPUT CreateNewINPUT(ushort type)
{
SendInputWin32.INPUT structInputKeyDown = new SendInputWin32.INPUT();
structInputKeyDown.type = type;
structInputKeyDown.ki.wScan = 0;
structInputKeyDown.ki.time = 0;
structInputKeyDown.ki.dwFlags = 0;
structInputKeyDown.ki.dwExtraInfo = IntPtr.Zero;
return structInputKeyDown;
}
}
}
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