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在 CE 下如果系统没有建立拨号网络,要实现上网功能时,就需要通过代码来实现建立拨号网络、拨号实现上网的过程。
以下代码中的参数和拨号所用数值,都是电信 EVDO 的配置。如果换 GSM 或 WCDMA 时,请相应修改。
1 HRASCONN ghRasConn = NULL; 2 /* 3 * 设置串口波特率和数据位等 4 */ 5 BOOL CTCPClientDlg::SetDevCfg(TCHAR *ptcRasEntryName) 6 { 7 HKEY hk; 8 unsigned char cDevCfg[684]; 9 TCHAR tcRegAddr[512 + 1]; 10 DWORD *pdwEapConnData = NULL; 11 12 ZeroMemory(tcRegAddr,sizeof(TCHAR) * (512 + 1)); 13 ZeroMemory(cDevCfg,sizeof(char) * 683); 14 cDevCfg[0] = 0x30; 15 cDevCfg[4] = 0x05; 16 cDevCfg[9] = 0x01; 17 cDevCfg[13] = 0xC2; // 波特率 18 cDevCfg[14] = 0x01; 19 cDevCfg[18] = 0x08; // 数据位 20 21 wsprintf(tcRegAddr,L"Comm\\RasBook\\%s",ptcRasEntryName); 22 23 if(ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER,tcRegAddr,0,0,&hk)) 24 { 25 RegSetValueEx(hk,L"DevCfg",0,REG_BINARY,(LPBYTE)cDevCfg,sizeof(cDevCfg)); 26 RegSetValueEx(hk,L"EapConnData",0,REG_BINARY,(LPBYTE)pdwEapConnData,0); 27 RegFlushKey(HKEY_CURRENT_USER); 28 29 RegCloseKey(hk); 30 31 return TRUE; 32 } 33 return FALSE; 34 } 35 36 BOOL CTCPClientDlg::CreateRASLink(TCHAR *ptcRasEntryName,TCHAR *ptcModemName) 37 { 38 LPRASENTRY lpRasEntry = NULL; 39 DWORD dwRasEntrySize = sizeof(RASENTRY); 40 DWORD dwBufferSize = 0; 41 DWORD dwRet = 0; 42 BOOL bRet = TRUE; 43 44 if(NULL == ptcRasEntryName || NULL == ptcModemName) 45 return FALSE; 46 47 RasGetEntryProperties(NULL,L"",NULL,&dwBufferSize,NULL,NULL); 48 if(0 == dwBufferSize) 49 return FALSE; 50 51 lpRasEntry = (LPRASENTRY)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,dwBufferSize); 52 if(NULL == lpRasEntry) 53 return FALSE; 54 55 ZeroMemory(lpRasEntry,sizeof(RASENTRY)); 56 lpRasEntry->dwSize = dwBufferSize; 57 lpRasEntry->dwfOptions = RASEO_RemoteDefaultGateway; // RASEO_PreviewUserPw 弹出用户名和密码输入框 58 // Leo lpRasEntry->dwType = RASET_Phone; 59 // lpRasEntry->dwCountryID = 86; // This member is currently ignored by Windows CE. 60 lpRasEntry->dwCountryCode = 86; 61 lstrcpy(lpRasEntry->szAreaCode,L"10"); 62 lstrcpy(lpRasEntry->szLocalPhoneNumber,L"#777"); 63 64 lstrcpy(lpRasEntry->szDeviceType,RASDT_Modem); 65 lstrcpy(lpRasEntry->szDeviceName,ptcModemName); // 选用 Modem 的名字 66 lpRasEntry->dwfNetProtocols = RASNP_Ip; 67 lpRasEntry->dwFramingProtocol = RASFP_Ppp; 68 69 dwRet = RasSetEntryProperties(NULL,ptcRasEntryName,lpRasEntry,dwBufferSize,NULL,0); // 创建连接 70 if(0 != dwRet) 71 { 72 bRet = FALSE; 73 } 74 HeapFree(GetProcessHeap(),0,(LPVOID)lpRasEntry); 75 76 return bRet; 77 } 78 79 BOOL CTCPClientDlg::NetworkDialAndParams(TCHAR *ptcRasEntryName) 80 { 81 DWORD dwRet = 0; 82 UINT i = 0; 83 RASDIALPARAMS rdParams; 84 85 ZeroMemory(&rdParams, sizeof(RASDIALPARAMS)); 86 87 rdParams.dwSize = sizeof(RASDIALPARAMS); 88 wcscpy(rdParams.szEntryName,ptcRasEntryName); 89 // wcscpy(rdParams.szPhoneNumber,L"#777"); 90 wcscpy(rdParams.szUserName,L"card"); 91 wcscpy(rdParams.szPassword,L"card"); 92 93 ghRasConn = NULL; 94 dwRet = RasDial(NULL,NULL,&rdParams,0xFFFFFFFF,NULL,&ghRasConn); 95 if(0 != dwRet) 96 { 97 RETAILMSG(1,(L"RasDial Error: %d.\r\n",dwRet)); 98 return FALSE; 99 } 100 return TRUE; 101 }
调用示例:
1 void CNetworkDialDlg::OnBtnClickedOpenNet() 2 { 3 GetDlgItem(IDC_BUTTON1)->EnableWindow(FALSE); 4 m_NetName.EnableWindow(FALSE); 5 6 // TODO: Add your control notification handler code here 7 if(CreateRASLink(RASDIAL_NET_NAME,RASDIAL_NET_MODEM_NAME)) 8 { 9 if(SetDevCfg(RASDIAL_NET_NAME)) 10 { 11 if(NetworkDialAndParams(RASDIAL_NET_NAME,ghMainWnd)) 12 { 13 RETAILMSG(1,(L"[TCP Client]Dial new work success.\r\n")); 14 15 SetTimer(RASDIAL_NETSHOW_TIMER_ID,RASDIAL_NETSHOW_TIME_OUT,NULL); 16 } 17 else 18 { 19 RETAILMSG(1,(L"[TCP Client]Dial new work failed!\r\n")); 20 } 21 } 22 else 23 { 24 RETAILMSG(1,(L"[TCP Client]Set RAS device config failed!\r\n")); 25 } 26 } 27 else 28 { 29 RETAILMSG(1,(L"[TCP Client]Create RAS link failed!\r\n")); 30 } 31 } 32 33 BOOL CNetworkDialDlg::PreTranslateMessage(MSG* pMsg) 34 { 35 switch(pMsg->message) 36 { 37 case WM_RASDIALEVENT: 38 OnRasDialEvent(pMsg->wParam,pMsg->lParam); 39 break; 40 case WM_USER + 0x1000: 41 if(1 == pMsg->wParam) 42 { 43 GetDlgItem(IDC_STATIC_PING_STATUS)->SetWindowText(L"PING 状态: 成功"); 44 } 45 else 46 { 47 GetDlgItem(IDC_STATIC_PING_STATUS)->SetWindowText(L"PING 状态: 失败"); 48 } 49 break; 50 default: 51 break; 52 } 53 54 return CDialog::PreTranslateMessage(pMsg); 55 } 56 57 58 /* 59 [TCP Ras Event]1.RasState: Open port 60 [TCP Ras Event]2.RasState: Port opened 61 [TCP Ras Event]3.RasState: Device Connected 62 [TCP Ras Event]4.RasState: All Device Connected 63 [TCP Ras Event]5.Authenticating 64 [TCP Ras Event]9.RAS Other RasState:12 65 [TCP Ras Event]6.Authenticated, continue login... 66 [TCP Ras Event]7.RASCS_Connected received 67 */ 68 LRESULT CNetworkDialDlg::OnRasDialEvent(WPARAM wParam,LPARAM lParam) 69 { 70 RASCONNSTATE RasState = (RASCONNSTATE)wParam; 71 DWORD dwError = (DWORD)lParam; 72 73 gRasState = RasState; 74 switch(RasState) 75 { 76 case RASCS_OpenPort: 77 RETAILMSG(1,(L"[TCP Ras Event]1.RasState: Open port\r\n")); 78 break; 79 80 case RASCS_PortOpened: // 端口已经打开 81 RETAILMSG(1,(L"[TCP Ras Event]2.RasState: Port opened\r\n")); 82 break; 83 84 case RASCS_DeviceConnected: // 正在连接 85 { 86 // dialDeviceConnected = TRUE; 87 RETAILMSG(1,(L"[TCP Ras Event]3.RasState: Device Connected\r\n")); 88 } 89 break; 90 91 case RASCS_AllDevicesConnected: // 92 // dialDeviceConnected = TRUE; 93 RETAILMSG(1,(L"[TCP Ras Event]4.RasState: All Device Connected\r\n")); 94 break; 95 96 case RASCS_Authenticate: 97 { 98 // dialDeviceConnected = TRUE; 99 RETAILMSG(1,(L"[TCP Ras Event]5.Authenticating\r\n")); 100 } 101 break; 102 103 case RASCS_Authenticated: 104 { 105 // dialDeviceConnected = TRUE; 106 RETAILMSG(1,(L"[TCP Ras Event]6.Authenticated, continue login...\r\n")); 107 } 108 break; 109 110 case RASCS_AuthNotify: 111 { 112 RETAILMSG(1,(L"[TCP Ras Event]RASCS_AuthNofify received,Error: %d\r\n",dwError)); 113 switch(dwError) 114 { 115 case ERROR_RESTRICTED_LOGON_HOURS: 116 case ERROR_ACCT_DISABLED: 117 case ERROR_PASSWD_EXPIRED: 118 case ERROR_NO_DIALIN_PERMISSION: 119 case ERROR_CHANGING_PASSWORD: 120 default: 121 break; 122 } 123 } 124 break; 125 126 case RASCS_Connected: 127 { 128 RETAILMSG(1,(L"[TCP Ras Event]7.RASCS_Connected received\r\n")); 129 gbNetConnected = TRUE; 130 } 131 break; 132 133 case RASCS_Disconnected: 134 { 135 CString csError; 136 RETAILMSG(1,(L"[TCP Ras Event]8.RASCS_Disconnected received. Error: %d\r\n",dwError)); 137 138 csError.Format(L"建立网络出现错误:%d",dwError); 139 GetDlgItem(IDC_BUTTON1)->EnableWindow(TRUE); 140 m_NetName.EnableWindow(TRUE); 141 giRasDialTimerCount = 0; 142 GetDlgItem(IDC_STATIC_STATUS)->SetWindowText(csError); 143 KillTimer(RASDIAL_NETSHOW_TIMER_ID); 144 } 145 break; 146 147 default: 148 RETAILMSG(1,(L"[TCP Ras Event]9.RAS Other RasState:%d\r\n", RasState)); 149 break; 150 } 151 152 return TRUE; 153 }
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原文地址:http://www.cnblogs.com/91program/p/5206231.html