windows-nt/Source/XPSP1/NT/ds/dns/resolver/server/logit.c
2020-09-26 16:20:57 +08:00

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/*****************************************\
* Data Logging -- Debug only *
\*****************************************/
//
// Need local header ONLY to allow precompiled header.
// Nothing in this module depends on specific DNS resolver
// definitions.
//
#include "local.h"
//
// NT Headers
//
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
//
// Windows Headers
//
#include <windows.h>
#pragma hdrstop
#include "logit.h"
// #if DBG
int LoggingMode;
time_t long_time; // has to be in DS, assumed by time() funcs
int LineCount;
char * month[] =
{
"January",
"February",
"March",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December"
} ;
/*
- LogInit
-
* Purpose:
* Determines if logging is desired and if so, adds a header to log file.
*
* Parameters:
*
*/
void LogInit()
{
FILE *fp;
struct tm *newtime;
char am_pm[] = "a.m.";
LoggingMode = 0;
LineCount = 0;
if ( fp = fopen( "dnsrslvr.log", "r+" ) )
{
LoggingMode = 1;
fclose( fp );
// Get time and date information
long_time = time( NULL); /* Get time as long integer. */
newtime = localtime( &long_time ); /* Convert to local time. */
if( newtime->tm_hour > 12 ) /* Set up extension. */
am_pm[0] = 'p';
if( newtime->tm_hour > 12 ) /* Convert from 24-hour */
newtime->tm_hour -= 12; /* to 12-hour clock. */
if( newtime->tm_hour == 0 ) /*Set hour to 12 if midnight. */
newtime->tm_hour = 12;
// Write out a header to file
fp = fopen("dnsrslvr.log", "w" );
if ( !fp )
{
return;
}
fprintf( fp, "Logging information for DNS Caching Resolver service\n" );
fprintf( fp, "****************************************************\n" );
fprintf( fp, "\tTime: %d:%02d %s\n\tDate: %s %d, 19%d\n",
newtime->tm_hour, newtime->tm_min, am_pm,
month[newtime->tm_mon], newtime->tm_mday,
newtime->tm_year );
fprintf( fp, "****************************************************\n\n" );
fclose( fp );
}
}
/*
- LogIt
-
* Purpose:
* Formats a string and prints it to a log file with handle hLog.
*
* Parameters:
* LPSTR - Pointer to string to format
* ... - variable argument list
*/
#ifdef WIN32
#define S16
#else
#define S16 static
#endif
void CDECL LogIt( char * lpszFormat, ... )
{
FILE *fp;
#ifndef _ALPHA_
va_list pArgs = NULL; // reference to quiet compiler
#else
va_list pArgs = {NULL,0};
#endif
S16 char szLogStr[1024];
int i;
if ( !LoggingMode )
return;
#ifdef WIN32 // parse parameters and insert in string
va_start( pArgs, lpszFormat);
vsprintf(szLogStr, lpszFormat, pArgs);
va_end(pArgs);
i = lstrlenA( szLogStr);
#else // parsing doesn't work, just give them string.
_fstrcpy( szLogStr, lpszFormat);
i = _fstrlen( szLogStr);
#endif
szLogStr[i] = '\n';
szLogStr[i+1] = '\0';
if ( LineCount > 50000 )
{
fp = fopen( "dnsrslvr.log", "w" );
LineCount = 0;
}
else
{
fp = fopen( "dnsrslvr.log", "a" );
}
if( fp )
{
fprintf( fp, szLogStr );
LineCount++;
fclose( fp );
}
}
void LogTime()
{
struct tm *newtime;
char am_pm[] = "a.m.";
if ( !LoggingMode )
return;
// Get time and date information
long_time = time( NULL); /* Get time as long integer. */
newtime = localtime( &long_time ); /* Convert to local time. */
if ( !newtime )
return;
if( newtime->tm_hour > 12 ) /* Set up extension. */
am_pm[0] = 'p';
if( newtime->tm_hour > 12 ) /* Convert from 24-hour */
newtime->tm_hour -= 12; /* to 12-hour clock. */
if( newtime->tm_hour == 0 ) /*Set hour to 12 if midnight. */
newtime->tm_hour = 12;
// Write out a header to file
LogIt( "DNS Caching Resolver service" );
LogIt( "System Time Information" );
LogIt( "****************************************************" );
LogIt( "\tTime: %d:%02d %s\n\tDate: %s %d, 19%d",
newtime->tm_hour, newtime->tm_min, am_pm,
month[newtime->tm_mon], newtime->tm_mday,
newtime->tm_year );
LogIt( "****************************************************" );
LogIt( "" );
}
DWORD LogIn( char * string )
{
LogIt( "%s", string );
return GetTickCount();
}
void LogOut( char * string, DWORD InTime )
{
LogIt( "%s --- Duration: %ld milliseconds", string, GetTickCount() - InTime );
}
// #endif
//
// Special logging routines
//
//
// ENHANCE: print routines here are really log routines
// - they are really log routines
// - should print generically so can be hooked to any print duty
// - and have macros to log desired structure
//
VOID
PrintIpAddress(
IN DWORD dwIpAddress
)
{
DNSLOG_F5(
" %d.%d.%d.%d",
((BYTE *) &dwIpAddress)[0],
((BYTE *) &dwIpAddress)[1],
((BYTE *) &dwIpAddress)[2],
((BYTE *) &dwIpAddress)[3] );
}
VOID
PrintAddressInfo(
IN DNS_ADDRESS_INFO AddressInfo
)
{
DNSLOG_F1( " ipAddress : " );
PrintIpAddress( AddressInfo.ipAddress );
DNSLOG_F1( " subnetMask : " );
PrintIpAddress( AddressInfo.subnetMask );
DNSLOG_F1( "" );
}
VOID
PrintSearchList(
IN PSEARCH_LIST pSearchList
)
{
DWORD iter;
DNSLOG_F1( "" );
DNSLOG_F1( " DNS Search List :" );
for ( iter = 0; iter < pSearchList->cNameCount; iter++ )
{
DNSLOG_F3( " %s (Flags: 0x%X)",
pSearchList->SearchNameArray[iter].pszName,
pSearchList->SearchNameArray[iter].Flags );
}
DNSLOG_F1( "" );
if ( pSearchList->pszDomainOrZoneName )
DNSLOG_F2( " Primary domain name : %s",
pSearchList->pszDomainOrZoneName );
DNSLOG_F1( "" );
}
VOID
PrintServerInfo(
IN DNS_SERVER_INFO ServerInfo
)
{
DNSLOG_F1( " IpAddress : " );
PrintIpAddress( ServerInfo.IpAddress );
DNSLOG_F2( " Priority : %d", ServerInfo.Priority );
DNSLOG_F2( " status : %d", ServerInfo.Status );
DNSLOG_F1( "" );
}
VOID
PrintAdapterInfo(
IN PDNS_ADAPTER pAdapter
)
{
DWORD iter;
DNSLOG_F2( " %s", pAdapter->pszAdapterGuidName );
DNSLOG_F1( " ----------------------------------------------------" );
DNSLOG_F2( " pszAdapterDomain : %s", pAdapter->pszAdapterDomain );
if ( pAdapter->pAdapterIPAddresses )
{
PIP_ARRAY pIp = pAdapter->pAdapterIPAddresses;
DNSLOG_F1( " Adapter Ip Address(es) :" );
for ( iter = 0; iter < pIp->AddrCount; iter++ )
{
PrintIpAddress( pIp->AddrArray[iter] );
}
}
if ( pAdapter->pAdapterIPSubnetMasks )
{
PIP_ARRAY pMask = pAdapter->pAdapterIPSubnetMasks;
DNSLOG_F1( " Adapter Ip Subnet Mask(s) :" );
for ( iter = 0; iter < pMask->AddrCount; iter++ )
{
PrintIpAddress( pMask->AddrArray[iter] );
}
}
DNSLOG_F2( " Status : 0x%x", pAdapter->Status );
DNSLOG_F2( " InfoFlags : 0x%x", pAdapter->InfoFlags );
DNSLOG_F2( " ReturnFlags : 0x%x", pAdapter->ReturnFlags );
DNSLOG_F1( " IpLastSend : " );
PrintIpAddress( pAdapter->IpLastSend );
DNSLOG_F2( " cServerCount : %d", pAdapter->cServerCount );
DNSLOG_F2( " cTotalListSize : %d", pAdapter->cTotalListSize );
DNSLOG_F1( "" );
for ( iter = 0; iter < pAdapter->cServerCount; iter++ )
{
DNSLOG_F1( " ------------------------" );
DNSLOG_F2( " DNS Server Info (%d)", iter + 1 );
DNSLOG_F1( " ------------------------" );
PrintServerInfo( pAdapter->ServerArray[iter] );
}
DNSLOG_F1( "" );
}
VOID
PrintNetworkInfoToLog(
IN PDNS_NETINFO pNetworkInfo
)
{
DWORD iter;
if ( pNetworkInfo )
{
DNSLOG_F1( "Current network adapter information is :" );
DNSLOG_F1( "" );
DNSLOG_F2( " pNetworkInfo->ReturnFlags : 0x%x", pNetworkInfo->ReturnFlags );
if ( pNetworkInfo->pSearchList )
PrintSearchList( pNetworkInfo->pSearchList );
DNSLOG_F2( " pNetworkInfo->cAdapterCount : %d", pNetworkInfo->cAdapterCount );
DNSLOG_F2( " pNetworkInfo->cTotalListSize : %d", pNetworkInfo->cTotalListSize );
DNSLOG_F1( "" );
for ( iter = 0; iter < pNetworkInfo->cAdapterCount; iter++ )
{
DNSLOG_F1( " ----------------------------------------------------" );
DNSLOG_F2( " Adapter Info (%d)", iter + 1 );
DNSLOG_F1( "" );
PrintAdapterInfo( pNetworkInfo->AdapterArray[iter] );
}
}
else
{
DNSLOG_F1( "Current network adapter information is empty" );
DNSLOG_F1( "" );
}
}
VOID
PrintIpAddressListToLog (
IN PDNS_ADDRESS_INFO AddressInfoList,
IN DWORD AddressInfoListCount
)
{
DWORD iter;
if ( AddressInfoList && AddressInfoListCount )
{
DNSLOG_F1( "Current IP address list is :" );
for ( iter = 0; iter < AddressInfoListCount; iter++ )
{
PrintAddressInfo( AddressInfoList[iter] );
}
DNSLOG_F1( "" );
}
else
{
DNSLOG_F1( "Current IP address list is empty" );
DNSLOG_F1( "" );
}
}
//
// End of logit.c
//