WinCE切换GPRS

// GPRSwitch.cpp : 定义应用程序的入口点。
//

#include "stdafx.h"
#include "GPRSwitch.h"
#include <windows.h>
#include <commctrl.h>
#include "GprsXmlConfig.h"
#include <connmgr.h>
#include <ras.h>
#include <Raserror.h>
//#include <stdio.h>

#define MAX_LOADSTRING 100
#define WM_GPRSwitch WM_USER+7227
#define WM_CTLCENTER WM_USER+112
#define GPRS_STATUS_ON 1
#define GPRS_STATUS_OFF 0

// 全局变量:
HINSTANCE            g_hInst;            // 当前实例
HANDLE                hConnection;
HRESULT                hResult;
DWORD                dwStatus;
GprsXmlConfig        config;
DWORD                bufsize;
DWORD                numEntries;
//FILE *fp;
HWND                hWndDes = NULL;            // 接收消息的主程序句柄

// 此代码模块中包含的函数的前向声明:
ATOM            MyRegisterClass(HINSTANCE, LPTSTR);
BOOL            InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);

int WINAPI WinMain(HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPTSTR    lpCmdLine,
                   int       nCmdShow)
{
    MSG msg;
    nCmdShow = SW_HIDE;

    // 执行应用程序初始化:
    if (!InitInstance(hInstance, nCmdShow)) 
    {
        return FALSE;
    }

    HACCEL hAccelTable;
    hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_GPRSWITCH));

    // 主消息循环:
    while (GetMessage(&msg, NULL, 0, 0)) 
    {
        if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

    return (int) msg.wParam;
}

//
//  函数: MyRegisterClass()
//
//  目的: 注册窗口类。
//
//  注释:
//
ATOM MyRegisterClass(HINSTANCE hInstance, LPTSTR szWindowClass)
{
    WNDCLASS wc;

    wc.style         = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc   = WndProc;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = 0;
    wc.hInstance     = hInstance;
    wc.hIcon         = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_GPRSWITCH));
    wc.hCursor       = 0;
    wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
    wc.lpszMenuName  = 0;
    wc.lpszClassName = szWindowClass;

    return RegisterClass(&wc);
}

BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
    HWND hWnd;
    TCHAR szTitle[MAX_LOADSTRING] = _T("GPRS Switcher");        // 标题栏文本
    TCHAR szWindowClass[MAX_LOADSTRING] = _T("TBWidget");    // 主窗口类名

    g_hInst = hInstance; // 将实例句柄存储在全局变量中

    SHInitExtraControls();

    LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); 
    LoadString(hInstance, IDC_GPRSWITCH, szWindowClass, MAX_LOADSTRING);

    hWnd = FindWindow(szWindowClass, szTitle);    
    if (hWnd) 
    {
        return 0;
    } 

    if (!MyRegisterClass(hInstance, szWindowClass))
    {
        return FALSE;
    }

    hWnd = CreateWindow(szWindowClass, szTitle, WS_VISIBLE,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);

    if (!hWnd)
    {
        return FALSE;
    }

    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);
    hWndDes = FindWindow(_T("TBClass"), _T("TBMainWnd"));
    SendMessage(hWnd, WM_GPRSwitch, 0, 0);

    return TRUE;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message) 
    {
        case WM_GPRSwitch:
            RASCONN entries[25];
            bufsize = 0;
            numEntries = 0;
            bufsize = 25 * sizeof(RASCONN);
            entries[0].dwSize = sizeof(RASCONN);//必须
            RASCONNSTATUS status;//RAS状态在ras.h中可以查找到。
            status.dwSize = sizeof(RASCONNSTATUS);

            //fp = fopen("GPRSwitch.log", "w");

            if(RasEnumConnections(entries, &bufsize, &numEntries) == 0) //枚举所有活动的连接
            {
                if (numEntries == 0) //无GPRS连接
                {
                    RASDIALPARAMS rdParams;
                    HRASCONN hRasConn = NULL;
                    //初始化参数
                    rdParams.dwSize = sizeof(RASDIALPARAMS);
                    lstrcpy(rdParams.szEntryName, _T("GPRS"));
                    lstrcpy(rdParams.szPhoneNumber, _T(""));
                    lstrcpy(rdParams.szCallbackNumber, _T(""));
                    lstrcpy(rdParams.szPhoneNumber, _T(""));
                    lstrcpy(rdParams.szUserName, _T(""));
                    lstrcpy(rdParams.szPassword, _T(""));
                    lstrcpy(rdParams.szDomain, _T(""));
                    DWORD dwRet;

                    dwRet = RasDial(NULL, NULL, &rdParams, 0xFFFFFFFF, NULL, &hRasConn); //通过给窗体发送WM_RASDIALEVENT消息。

                    if(dwRet != 0)    //拔号失败
                    {
                        if (hWndDes != NULL)
                        {
                            SendMessage(hWndDes, WM_CTLCENTER, WM_GPRSwitch, GPRS_STATUS_OFF);
                        }
                    }
                    else
                    {
                        if (hWndDes != NULL)
                        {
                            SendMessage(hWndDes, WM_CTLCENTER, WM_GPRSwitch, GPRS_STATUS_ON);
                        }
                    }

                    exit(0);
                    break;
                }

                for(DWORD i=0; i<numEntries; i++) // 有GPRS连接
                {
                    for (DWORD j=0; j<wcslen(entries[i].szEntryName)-4; j++)
                    {
                        if (entries[i].szEntryName[j] == 'G'
                            && entries[i].szEntryName[j+1] == 'P'
                            && entries[i].szEntryName[j+2] == 'R'
                            && entries[i].szEntryName[j+3] == 'S'
                            )
                        {
                            RasHangUp(entries[i].hrasconn);
                            while(RasGetConnectStatus(entries[i].hrasconn,&status)==0)//得到连接的状态(能获取得到)
                            {
                                Sleep(0);    //Sleep(0)是指CPU交出当前线程的执行权，让CPU去执行其他线程。
                            }
                            break;
                        }
                    }

                    //fwprintf(fp, _T("%d : %s\n"), i, entries[i].szEntryName);
                }

                if (hWndDes != NULL)
                {
                    SendMessage(hWndDes, WM_CTLCENTER, WM_GPRSwitch, GPRS_STATUS_OFF);
                }
            }

            //fclose(fp);
            exit(0);
            break;

        case WM_DESTROY:
            PostQuitMessage(0);
            break;

        case WM_CLOSE:
            exit(0);
            break;

        default:
            return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}

// GPRSXmlConfig.h

#pragma once
/*!
* 通过wap-provisioningdoc方式设置gprs连接
* 使用方式：枚举网络找一个名为CMWAP_GPRS的连接，(如果找不到新建一个名为CMWAP_GPRS的网络连接)，
* 然后通过建立该连接来进行网络访问
*/
class GprsXmlConfig
{
public:
    GprsXmlConfig(void);
    ~GprsXmlConfig(void);

public:
    /* 创建一个名为CMWAP_GPRS的网络设置*/
    BOOL CreateCmwapNetConfig();

    /*选择名为CMWAP_GPRS的网络设置的GUID*/
    BOOL findCmwapNetGuid(GUID&);
};

// GprsXmlConfig.cpp
#include "StdAfx.h"
#include "GprsXmlConfig.h"
#include <Cfgmgrapi.h>
#include <connmgr.h>
#include <connmgr_proxy.h>
#pragma comment( lib,"cellcore.lib")
#pragma comment(lib, "Aygshell.lib")

GprsXmlConfig::GprsXmlConfig(void)
{
}

GprsXmlConfig::~GprsXmlConfig(void)
{
}

BOOL GprsXmlConfig::findCmwapNetGuid(GUID& guid)
{
    BOOL rst = false;
    HRESULT hr = 0;
    int nIndex = 0;
    CONNMGR_DESTINATION_INFO DestInfo;
    //WCHAR wszDestGUIDStr[128];
    while ( (hr = ConnMgrEnumDestinations(nIndex,&DestInfo)) == 0 )
    {
        if (_tcscmp(_T("中国移动WAP设置"),DestInfo.szDescription)==0)
        {
            guid = DestInfo.guid;
            rst = true;
            break;
        }
        nIndex++;
    }
 
    return rst;
}

BOOL GprsXmlConfig::CreateCmwapNetConfig()
{
    //AfxMessageBox(_T("开始创建连接"));
    LPCWSTR g_wszFavoriteXml = 
        L"<wap-provisioningdoc>"
        L"    <characteristic type=\"CM_Networks\">"
        L"        <characteristic type=\"中国移动WAP设置\">"
        L"            <parm name=\"DestId\" value=\"{EA9A391E-7878-0D28-4CA2-21F8C61F1243}\"/>"
        L"        </characteristic>"
        L"    </characteristic>"
        L"    <characteristic type=\"CM_GPRSEntries\">"
        L"        <characteristic type=\"中国移动 GPRS 因特网\">"
        L"            <parm name=\"DestId\" value=\"{EA9A391E-7878-0D28-4CA2-21F8C61F1243}\"/>"
        L"            <characteristic type=\"DevSpecificCellular\">"
        L"                <parm name=\"BearerInfoValid\" value=\"1\"/>"
        L"                <parm name=\"GPRSInfoValid\" value=\"1\"/>"
        L"                <parm name=\"GPRSInfoProtocolType\" value=\"2\"/>"
        L"                <parm name=\"GPRSInfoL2ProtocolType\" value=\"PPP\"/>"
        L"                <parm name=\"GPRSInfoAccessPointName\" value=\"cmwap\"/>"
        L"                <parm name=\"GPRSInfoAddress\" value=\"\"/>"
        L"                <parm name=\"GPRSInfoDataCompression\" value=\"1\"/>"
        L"                <parm name=\"GPRSInfoHeaderCompression\" value=\"1\"/>"
        L"                <parm name=\"GPRSInfoParameters\" value=\"\"/>"
        L"            </characteristic>"
        L"        </characteristic>"
        L"    </characteristic>"
        L"    <characteristic type=\"CM_ProxyEntries\">"
        L"        <characteristic type=\"HTTP-{EA9A391E-7878-0D28-4CA2-21F8C61F1243}\">"
        L"            <parm name=\"SrcId\" value=\"{EA9A391E-7878-0D28-4CA2-21F8C61F1243}\"/>"
        L"            <parm name=\"DestId\" value=\"{436EF144-B4FB-4863-A041-8F905A62C572}\"/>"
        L"            <parm name=\"Proxy\" value=\"10.0.0.172:80\"/>"
        L"            <parm name=\"Enable\" value=\"1\"/>"
        L"            <parm name=\"Type\" value=\"1\"/>"
        L"        </characteristic>"
        L"        <characteristic type=\"WAP-{EA9A391E-7878-0D28-4CA2-21F8C61F1243}\">"
        L"            <parm name=\"SrcId\" value=\"{EA9A391E-7878-0D28-4CA2-21F8C61F1243}\"/>"
        L"            <parm name=\"DestId\" value=\"{7022E968-5A97-4051-BC1C-C578E2FBA5D9}\"/>"
        L"            <parm name=\"Proxy\" value=\"10.0.0.172:9201\"/>"
        L"            <parm name=\"Enable\" value=\"1\"/>"
        L"            <parm name=\"Type\" value=\"2\"/>"
        L"        </characteristic>"
        L"    </characteristic>"
        L"</wap-provisioningdoc>";


    HRESULT hr       = E_FAIL;
    LPWSTR wszOutput   = NULL;

    hr = DMProcessConfigXML(g_wszFavoriteXml, CFGFLAG_PROCESS, &wszOutput);
// if (hr==S_OK)
// {
//     AfxMessageBox(_T("创建连接成功！"));
// }
    if (wszOutput)
    {
        delete [] wszOutput;
        wszOutput=NULL;
    }
    return (hr==S_OK);

}