问在windows应用程序和android应用程序之间通信

EN

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Arrays;

import android.os.AsyncTask;
import android.util.Log;

public class TabSyncServer extends AsyncTask<Void, Void, Void> {

    ServerSocket mServerSocket = null;
    Socket mSocket = null;
    DataInputStream mDataInputStream = null;
    DataOutputStream mDataOutputStream = null;

    @Override
    protected void onPreExecute() {

        try {
            mServerSocket = new ServerSocket(2112);
            //System.out.println("Listening :2112");
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    @Override
    protected Void doInBackground(Void... args) {
        byte[] bytebuf = new byte[1024];
        while (true) {
            try {

                mSocket = mServerSocket.accept();
                mDataInputStream = new DataInputStream(mSocket.getInputStream());
                mDataOutputStream = new DataOutputStream(mSocket.getOutputStream());
                Log.d("TabSyncServer", "ip: " + mSocket.getInetAddress());
                mDataInputStream.read(bytebuf);

                String str = new String(bytebuf, "UTF8");
                Log.d("TabSyncServer", "message: " + str);
                if(str.contains("Hello Android")) {
                    Log.d("TabSyncServer", "sending reply");
                    mDataOutputStream.writeBytes("Hello Windows");
                }

                // 

            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } finally {
                if (mSocket != null) {
                    try {
                        mSocket.close();
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }

                if (mDataInputStream != null) {
                    try {
                        mDataInputStream.close();
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }

                if (mDataOutputStream != null) {
                    try {
                        mDataOutputStream.close();
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }
        }

    }

}

    void CMainFrame::OnBrowseMobile() {


    CMobileSync* con = new CMobileSync();
    CString ipaddr_base;
    int my_last_digit;
    if(!con->getMyIP(ipaddr_base, my_last_digit)) {
        setMobilePath("Can't find local network");
        return;
    }


    for(int i=1 ; i<98 ; i++) {
        if(i==my_last_digit)
            continue;       // don;t check self

        CString ipaddr; ipaddr.Format("%s.%d", ipaddr_base, i);
        bool res = con->ConnectToHost(ipaddr);
        if(res) {
            res = con->SendMsg ("Hello Android");

            if(res) {
                TRACE1("send ok %s\n",ipaddr.GetBuffer());
#define RD_BUF_LEN 80
                char buffer[RD_BUF_LEN];
                if(con->ListenOnPortBlocking(buffer, RD_BUF_LEN)) {
                    if(strncmp(buffer, "Hello Windows", 12)==0) {
                        TRACE1("reply ok %s", buffer);
                        setMobilePath(ipaddr);
                        con->CloseConnection ();
                        return;
                    }
                }
            } else {
                TRACE("send FAILED\n");
            }
        }
        con->CloseConnection ();
    }
    setMobilePath("No TabTrax on local network");
}

#include "stdafx.h"
#include <winsock.h>
#include "MobileSync.h"

#define TTPORT 2112
bool CMobileSync::getMyIP(CString& ipaddr_front, int& ipaddr_lastdigit)
{
    char szBuffer[1024];

    #ifdef WIN32
    WSADATA wsaData;
    WORD wVersionRequested = MAKEWORD(2, 0);
    if(::WSAStartup(wVersionRequested, &wsaData) != 0)
        return false;
    #endif


    if(gethostname(szBuffer, sizeof(szBuffer)) == SOCKET_ERROR)
    {
      #ifdef WIN32
      WSACleanup();
      #endif
      return false;
    }

    struct hostent *host = gethostbyname(szBuffer);
    if(host == NULL)
    {
      #ifdef WIN32
      WSACleanup();
      #endif
      return false;
    }

    //Obtain the computer's IP
    unsigned char b1, b2, b3, b4;
    b1 = ((struct in_addr *)(host->h_addr))->S_un.S_un_b.s_b1;
    b2 = ((struct in_addr *)(host->h_addr))->S_un.S_un_b.s_b2;
    b3 = ((struct in_addr *)(host->h_addr))->S_un.S_un_b.s_b3;
    b4 = ((struct in_addr *)(host->h_addr))->S_un.S_un_b.s_b4;

    ipaddr_front.Format("%d.%d.%d", b1, b2, b3);
    ipaddr_lastdigit = b4;
    #ifdef WIN32
    WSACleanup();
    #endif
    return true;
}

//CONNECTTOHOST – Connects to a remote host
bool CMobileSync::ConnectToHost(const char* IPAddress)
{
    //Start up Winsock…
    WSADATA wsadata;

    int error = WSAStartup(0x0202, &wsadata);

    //Did something happen?
    if (error)
        return false;

    //Did we get the right Winsock version?
    if (wsadata.wVersion != 0x0202)
    {
        WSACleanup(); //Clean up Winsock
        return false;
    }

    //Fill out the information needed to initialize a socket…
    SOCKADDR_IN target; //Socket address information

    target.sin_family = AF_INET; // address family Internet
    target.sin_port = htons (TTPORT); //Port to connect on
    target.sin_addr.s_addr = inet_addr (IPAddress); //Target IP

    mSocket = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP); //Create socket
    if (mSocket == INVALID_SOCKET)
    {
        return false; //Couldn't create the socket
    }  

    //Try connecting...

    if (connect(mSocket, (SOCKADDR *)&target, sizeof(target)) == SOCKET_ERROR)
    {
        return false; //Couldn't connect
    }

    return true; //Success
}

//CLOSECONNECTION – shuts down the socket and closes any connection on it
void CMobileSync::CloseConnection ()
{
    //Close the socket if it exists
    if (mSocket)
        closesocket(mSocket);
    mSocket=0;

    WSACleanup(); //Clean up Winsock
}

int CMobileSync::SendMsg (char* szpText, int buflen)
{
    if(buflen==0)
        buflen = strlen(szpText);
    int ret = send(mSocket, szpText, buflen, 0);
    TRACE1("CMobileSync::SendMsg sent %d bytes\n", ret);
    return ret;
}

WSADATA w;

//LISTENONPORT – Listens on a specified port for incoming connections 
//or data
bool CMobileSync::ListenOnPortBlocking(char* buffer, int buflen)
{
    //Now we can start listening (allowing as many connections as possible to  
    //be made at the same time using SOMAXCONN). You could specify any 
    //integer value equal to or lesser than SOMAXCONN instead for custom 
    //purposes). The function will not //return until a connection request is 
    //made
    // listen(s, SOMAXCONN);

    memset(buffer, 0, sizeof(buffer)); //Clear the buffer

    int iTimeout = 1600;
    setsockopt( mSocket,  SOL_SOCKET, SO_RCVTIMEO, (const char *)&iTimeout, sizeof(iTimeout));

    //Put the incoming text into our buffer
    int ret = recv (mSocket, buffer, buflen-1, 0); 

    //Don't forget to clean up with CloseConnection()!

    if(ret != SOCKET_ERROR)
        return true;

    int err = WSAGetLastError();
    return false;
}