/******************************************************************************
* openlog
*
* Open connection to system logger.
*/
void openlog( char* ident, int option, int facility )
{
BOOL failed = TRUE, wsa_initialized = FALSE;
WSADATA wsd;
SOCKADDR_IN sa_local;
DWORD n;
int size;
if( initialized )
return;
syslog_facility = facility? facility : LOG_USER;
/* FIXME: should we reset logmask? */
if( option & LOG_PID )
snprintf( str_pid, sizeof(str_pid), "[%lu]", GetCurrentProcessId() );
else
str_pid[0] = 0;
/* FIXME: handle other options */
n = sizeof(local_hostname);
if( !GetComputerName( local_hostname, &n ) )
goto done;
sock = INVALID_SOCKET;
if( WSAStartup( MAKEWORD( 2, 2 ), &wsd ) )
goto done;
wsa_initialized = TRUE;
init_logger_addr();
for( n = 0;; n++ )
{
sock = socket( AF_INET, SOCK_DGRAM, 0 );
if( INVALID_SOCKET == sock )
goto done;
memset( &sa_local, 0, sizeof(SOCKADDR_IN) );
sa_local.sin_family = AF_INET;
if( bind( sock, (SOCKADDR*) &sa_local, sizeof(SOCKADDR_IN) ) == 0 )
break;
closesocket( sock );
sock = INVALID_SOCKET;
if( n == 100 )
goto done;
Sleep(0);
}
/* get size of datagramm */
size = sizeof(datagramm_size);
if( getsockopt( sock, SOL_SOCKET, SO_MAX_MSG_SIZE, (char*) &datagramm_size, &size ) )
goto done;
if( datagramm_size - strlen(local_hostname) - (ident? strlen(ident) : 0) < 64 )
goto done;
if( datagramm_size > sizeof(datagramm) )
datagramm_size = sizeof(datagramm);
if( atexit( closelog ) )
goto done;
syslog_ident = ident;
syslog_facility = facility;
failed = FALSE;
done:
if( failed )
{
if( sock != INVALID_SOCKET ) closesocket( sock );
if( wsa_initialized ) WSACleanup();
}
initialized = !failed;
}
/******************************************************************************
* openlog
*
* Open connection to system logger.
*/
ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
openlog( char* ident, int option, int facility )
{
BOOL failed = FALSE;
SOCKADDR_IN sa_local;
DWORD n;
int size;
if ( !initialized )
return;
EnterCriticalSection(&cs_syslog);
if( syslog_opened )
goto done;
failed = TRUE;
syslog_facility = facility? facility : LOG_USER;
if( option & LOG_PID )
sprintf_s( syslog_procid_str, sizeof(syslog_procid_str), "[%lu]", GetCurrentProcessId() );
else
syslog_procid_str[0] = '\0';
/* FIXME: handle other options */
n = sizeof(local_hostname);
if( !GetComputerName( local_hostname, &n ) )
goto done;
syslog_socket = INVALID_SOCKET;
init_logger_addr();
for( n = 0;; n++ )
{
syslog_socket = socket( AF_INET, SOCK_DGRAM, 0 );
if( INVALID_SOCKET == syslog_socket )
goto done;
memset( &sa_local, 0, sizeof(SOCKADDR_IN) );
sa_local.sin_family = AF_INET;
if( bind( syslog_socket, (SOCKADDR*) &sa_local, sizeof(SOCKADDR_IN) ) == 0 )
break;
rk_closesocket( syslog_socket );
syslog_socket = INVALID_SOCKET;
if( n == 100 )
goto done;
Sleep(0);
}
/* get size of datagramm */
size = sizeof(datagramm_size);
if( getsockopt( syslog_socket, SOL_SOCKET, SO_MAX_MSG_SIZE, (char*) &datagramm_size, &size ) )
goto done;
if( datagramm_size - strlen(local_hostname) - (ident? strlen(ident) : 0) < 64 )
goto done;
if( datagramm_size > SYSLOG_DGRAM_SIZE )
datagramm_size = SYSLOG_DGRAM_SIZE;
if (ident)
strcpy_s(syslog_ident, sizeof(syslog_ident), ident);
syslog_facility = (facility ? facility : LOG_USER);
failed = FALSE;
done:
if( failed ) {
if( syslog_socket != INVALID_SOCKET )
rk_closesocket( syslog_socket );
}
syslog_opened = !failed;
LeaveCriticalSection(&cs_syslog);
}
