rasclient.cpp

代码为windows下的无线猫的应用程序（对AT指令的操作）。

// RasClient.cpp

#include "stdafx.h"
#include "RasClient.h"

CRasClient::CRasClient()
{
	ZeroMemory(&m_rasStatus, sizeof(m_rasStatus));
	m_rasStatus.dwSize = sizeof(m_rasStatus);
	m_ConnectionHandle = NULL;
}

CRasClient::~CRasClient()
{

}

long CRasClient::GetDeviceCount()
{
	DWORD dwSize = 0;
	DWORD dwNumOfDevices = 0;
	RasEnumDevices(NULL, &dwSize, &dwNumOfDevices);
	return dwNumOfDevices;
}

BOOL CRasClient::GetDeviceNameType(int nIndex, 
		CString& strName, CString& strType)
{
	BOOL bResult = FALSE;
	DWORD dwSize = 0;
	DWORD dwNumOfDevices = 0;
	DWORD dwRV = RasEnumDevices(NULL, &dwSize, &dwNumOfDevices);
	if(nIndex >= (int)dwNumOfDevices &&
		nIndex < 0)
	{
		TRACE("BAD DEVICE INDEX!");
		return FALSE;
	}

	RASDEVINFO *lpRdi = new RASDEVINFO[dwNumOfDevices];
	lpRdi->dwSize = sizeof(*lpRdi);
	dwRV = RasEnumDevices(lpRdi, &dwSize, &dwNumOfDevices);
	
	if(dwRV == 0)
	{
		strName = lpRdi[nIndex].szDeviceName;
		strType = lpRdi[nIndex].szDeviceType;
		bResult = TRUE;
	}
	delete []lpRdi;
	return bResult;
}


BOOL CRasClient::GetModemName(CString* strModemNameArray)
{
	DWORD dwSize = 0;
	DWORD dwNumOfDevices = 0;
	DWORD dwRV = RasEnumDevices(NULL, &dwSize, &dwNumOfDevices);

	RASDEVINFO *lpRdi = new RASDEVINFO[dwNumOfDevices];
	lpRdi->dwSize = sizeof(*lpRdi);
	dwRV = RasEnumDevices(lpRdi, &dwSize, &dwNumOfDevices);
	if(dwRV != 0)
	{
		delete []lpRdi;
		return FALSE;
	}

	CString strType;
	int j = 0;
	for(int i = 0; i < (int)dwNumOfDevices; i++)
	{
		strType = lpRdi[i].szDeviceType;
		if(strType.CompareNoCase("MODEM") == 0)  // = "RASDT_Modem";
		{
			strModemNameArray[j] = lpRdi[i].szDeviceName;
			j++;
		}
	}
	delete []lpRdi;
	return TRUE;
}

long CRasClient::GetModemCount()
{
	DWORD dwSize = 0;
	DWORD dwNumOfDevices = 0;
	DWORD dwRV = RasEnumDevices(NULL, &dwSize, &dwNumOfDevices);

	RASDEVINFO *lpRdi = new RASDEVINFO[dwNumOfDevices];
	lpRdi->dwSize = sizeof(*lpRdi);
	dwRV = RasEnumDevices(lpRdi, &dwSize, &dwNumOfDevices);
	if(dwRV != 0)
	{
		delete []lpRdi;
		return -1;
	}

	CString strType;
	int nModemCount = 0;
	for(int i = 0; i < (int)dwNumOfDevices; i++)
	{
		strType = lpRdi[i].szDeviceType;
		if(strType.CompareNoCase("MODEM") == 0)  // = "RASDT_Modem";
			nModemCount++;
	}
	delete []lpRdi;
	return nModemCount;
}

DWORD CRasClient::ChangeEntryName(CString strOldName, CString strNewName)
{
	LPTSTR lpszEntry = strOldName.GetBuffer(1);
	strOldName.ReleaseBuffer();
	if(RasValidateEntryName(NULL, lpszEntry) != ERROR_ALREADY_EXISTS)
	{
		// GET ENTRY
		BYTE bDeviceInfo = NULL;
		DWORD dwDeviceInfoSize = sizeof(bDeviceInfo);
		DWORD dwEntrySize = 0;
		DWORD dwRV;
		RASENTRY entry;
		entry.dwSize = sizeof(entry);
		dwRV = RasGetEntryProperties(NULL, lpszEntry, &entry, &dwEntrySize, 
			&bDeviceInfo, &dwDeviceInfoSize);   // GET 603
		dwRV = RasGetEntryProperties(NULL, lpszEntry, &entry, &dwEntrySize, 
			&bDeviceInfo, &dwDeviceInfoSize);   // GET 0
	    if(dwRV == 0)
		{
			LPTSTR lpszNewName = strNewName.GetBuffer(1);
			strNewName.ReleaseBuffer();
			dwRV = RasSetEntryProperties(NULL, (char*)lpszNewName, &entry, 
				sizeof(entry), NULL, 0);
			return dwRV;
		}
		else
			return dwRV;
	}
	return ERROR_ENTRY_NO_FOUND;
}

DWORD CRasClient::CreateNewEntry(CString strEntry, 
		CString strDeviceType, 
		CString strDeviceName, 
		DWORD dwfNetProtocols, DWORD dwFrameProtocal, 
		CString strLocalPhone,
		CString strPhoneBook /*=NULL*/)
{
	LPTSTR lpszEntry = strEntry.GetBuffer(1);
	strEntry.ReleaseBuffer();
	LPTSTR lpszPhoneBook = strPhoneBook.GetBuffer(1);
	if(strPhoneBook == _T(""))
		lpszPhoneBook = NULL;
	strPhoneBook.ReleaseBuffer();
	if(RasValidateEntryName(lpszPhoneBook, lpszEntry) != ERROR_ALREADY_EXISTS)
	{
		RASENTRY rasEntry;
		::ZeroMemory(&rasEntry, sizeof(rasEntry));
		rasEntry.dwSize = sizeof(rasEntry);
		strcpy(rasEntry.szLocalPhoneNumber, strLocalPhone);

		rasEntry.dwfNetProtocols = dwfNetProtocols;	
		rasEntry.dwFramingProtocol = dwFrameProtocal;
		rasEntry.dwfOptions = RASEO_ModemLights;
		
		// DON'T USE "RASDT_Modem", use "modem", otherwise dwRV = 87
		strcpy(rasEntry.szDeviceType, strDeviceType);
		strcpy(rasEntry.szDeviceName, strDeviceName);
		DWORD dwRV = RasSetEntryProperties(lpszPhoneBook, (char*)lpszEntry, &rasEntry, 
			sizeof(rasEntry), NULL, 0);
		return dwRV;
	}
	return ERROR_ALREADY_EXISTS;
}

DWORD CRasClient::SetEntryOption(CString strEntry, DWORD dwfOptions, 
			   BOOL bSet, CString strPhoneBook /*=_T("")*/)
{
	LPTSTR lpszEntry = strEntry.GetBuffer(1);
	strEntry.ReleaseBuffer();
	LPTSTR lpszPhoneBook = strPhoneBook.GetBuffer(1);
	if(strPhoneBook == _T(""))
		lpszPhoneBook = NULL;
	strPhoneBook.ReleaseBuffer();
	RASENTRY entry;
	DWORD dwRV = GetEntryProperties(strEntry, &entry, lpszPhoneBook);
	if(dwRV == 0)
	{
		if(bSet)
			entry.dwfOptions |= dwfOptions; 
		else
			entry.dwfOptions &= ~dwfOptions;
		dwRV = RasSetEntryProperties(lpszPhoneBook, (char*)lpszEntry, &entry, 
			sizeof(entry), NULL, 0);
	}
	return dwRV;
}

DWORD CRasClient::SetEntryServerProtocal(CString strEntry, 
			   DWORD dwfNetProtocols, CString strPhoneBook /*=_T("")*/)
{
	LPTSTR lpszEntry = strEntry.GetBuffer(1);
	strEntry.ReleaseBuffer();
	LPTSTR lpszPhoneBook = strPhoneBook.GetBuffer(1);
	if(strPhoneBook == _T(""))
		lpszPhoneBook = NULL;
	strPhoneBook.ReleaseBuffer();
	RASENTRY entry;
	DWORD dwRV = GetEntryProperties(strEntry, &entry, lpszPhoneBook);
	if(dwRV == 0)
	{
		entry.dwfNetProtocols = dwfNetProtocols;
		dwRV = RasSetEntryProperties(lpszPhoneBook, (char*)lpszEntry, &entry, 
			sizeof(entry), NULL, 0);
	}
	return dwRV;
}

DWORD CRasClient::SetEntryIPAddress(CString strEntry, int nIPType, 
	BYTE a, BYTE b, BYTE c,	BYTE d, CString strPhoneBook /*= _T("")*/)
{
	LPTSTR lpszEntry = strEntry.GetBuffer(1);
	strEntry.ReleaseBuffer();
	LPTSTR lpszPhoneBook = strPhoneBook.GetBuffer(1);
	if(strPhoneBook == _T(""))
		lpszPhoneBook = NULL;
	strPhoneBook.ReleaseBuffer();
	RASENTRY entry;	
	DWORD dwRV = GetEntryProperties(strEntry, &entry, lpszPhoneBook);
	if(dwRV == 0)
	{
		RASIPADDR ipDns;
		ipDns.a = a;
		ipDns.b = b;
		ipDns.c = c;
		ipDns.d = d;
		switch(nIPType)
		{
			case IPADDRESS :
				entry.dwfOptions |= RASEO_SpecificIpAddr; 
				entry.ipaddr = ipDns;
				break;
			case IPADDRESS_DNS:
				entry.dwfOptions |= RASEO_SpecificNameServers; 
				entry.ipaddrDns = ipDns;
				break;
			case IPADDRESS_DNS_ALT:
				entry.dwfOptions |= RASEO_SpecificNameServers; 
				entry.ipaddrDnsAlt = ipDns;
				break;
			case IPADDRESS_WINS:
				entry.dwfOptions |= RASEO_SpecificNameServers; 
				entry.ipaddrWins = ipDns;
				break;
			case IPADDRESS_WINS_ALT:
				entry.dwfOptions |= RASEO_SpecificNameServers; 
				entry.ipaddrWinsAlt = ipDns;
				break;
		}

		dwRV = RasSetEntryProperties(lpszPhoneBook, (char*)lpszEntry, &entry, 
			sizeof(entry), NULL, 0);
	}
	return dwRV;
}

DWORD CRasClient::GetEntryProperties(CString strEntry, RASENTRY* lpRasEntry
				, LPTSTR lpszPhoneBook)
{
	LPTSTR lpszEntry = strEntry.GetBuffer(1);
	strEntry.ReleaseBuffer();
	if(RasValidateEntryName(lpszPhoneBook, lpszEntry) == ERROR_ALREADY_EXISTS)
	{
		BYTE bDeviceInfo = NULL;
		DWORD dwDeviceInfoSize = sizeof(bDeviceInfo);
		DWORD dwEntrySize = 0;
		DWORD dwRV;
		lpRasEntry->dwSize = sizeof(*lpRasEntry);
		dwRV = RasGetEntryProperties(lpszPhoneBook, lpszEntry, lpRasEntry, &dwEntrySize, 
			&bDeviceInfo, &dwDeviceInfoSize);   // GET 603
		dwRV = RasGetEntryProperties(lpszPhoneBook, lpszEntry, lpRasEntry, &dwEntrySize, 
			&bDeviceInfo, &dwDeviceInfoSize);   // GET 0
	    return dwRV;
	}
	else