commit - 7da703f186d37b179a60b2a424d4aa3c4427e5f7
commit + 418add93da4266b0dc62c7587eb8a91683d45088
blob - d9585720bbfac2d3718c628537296f37cd51bee1
blob + 308643592f8be3b29a6671239c5aa8d23ef8ddb2
--- src/ngircd/ngircd.c
+++ src/ngircd/ngircd.c
* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
* der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
*
- * $Id: ngircd.c,v 1.4 2001/12/12 01:58:53 alex Exp $
+ * $Id: ngircd.c,v 1.5 2001/12/12 17:21:21 alex Exp $
*
* ngircd.c: Hier beginnt alles ;-)
*
* $Log: ngircd.c,v $
+ * Revision 1.5 2001/12/12 17:21:21 alex
+ * - mehr Unterfunktionen eingebaut, Modul besser strukturiert & dokumentiert.
+ * - Anpassungen an neue Module.
+ *
* Revision 1.4 2001/12/12 01:58:53 alex
* - Test auf socklen_t verbessert.
*
#include <imp.h>
-#ifdef HAVE_STDINT_H
-#include <stdint.h> /* u.a. fuer Mac OS X */
-#endif
-
#include <assert.h>
-#include <errno.h>
-#include <signal.h>
#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
+#include <signal.h>
-
+#include "conf.h"
+#include "conn.h"
#include "log.h"
#include <exp.h>
BOOLEAN do_quit_now = FALSE; /* TRUE: Hauptschleife beenden */
+LOCAL VOID Initialize_Signal_Handler( VOID );
LOCAL VOID Signal_Handler( INT Signal );
GLOBAL INT main( INT argc, CONST CHAR *argv[] )
{
- FILE *fd;
- struct sigaction saction;
- struct sockaddr_in my_addr, a_addr;
- int my_sock, a_sock;
- int a_sock_len;
-
+ /* Datentypen der portab-Library ueberpruefen */
portab_check_types( );
+ /* Module initialisieren */
Log_Init( );
-
- /* Signal-Handler initialisieren */
- memset( &saction, 0, sizeof( saction ));
- saction.sa_handler = Signal_Handler;
+ Conf_Init( );
+ Conn_Init( );
- /* Signal-Handler einhaengen */
- sigaction( SIGALRM, &saction, NULL );
- sigaction( SIGHUP, &saction, NULL);
- sigaction( SIGINT, &saction, NULL );
- sigaction( SIGQUIT, &saction, NULL );
- sigaction( SIGTERM, &saction, NULL);
- sigaction( SIGUSR1, &saction, NULL);
- sigaction( SIGUSR2, &saction, NULL);
+ Initialize_Signal_Handler( );
- /* Server-"Listen"-Socket initialisieren */
- memset( &my_addr, 0, sizeof( my_addr ));
- my_addr.sin_family = AF_INET;
- my_addr.sin_port = htons( 6668 );
- my_addr.sin_addr.s_addr = htonl( INADDR_ANY );
+ if( ! Conn_New_Listener( 6668 )) exit( 1 );
- /* Socket erzeugen, ... */
- my_sock = socket( AF_INET, SOCK_STREAM, 0);
- if( socket < 0 )
- {
- Log( LOG_FATAL, "Can't create socket: %s", strerror( errno ));
- exit( 1 );
- }
- /* ... an Port binden ... */
- if( bind( my_sock, (struct sockaddr *)&my_addr, (socklen_t)sizeof( my_addr )) < 0 )
- {
- Log( LOG_FATAL, "Can't bind socket: %s", strerror( errno ));
- exit( 1 );
- }
-
- /* ... und in "listen mode" gehen :-) */
- if( listen( my_sock, 10 ) < 0 )
- {
- Log( LOG_FATAL, "Can't listen on soecket: %s", strerror( errno ));
- exit( 1 );
- }
-
/* Hauptschleife */
while( ! do_quit_now )
{
- /* auf Verbindung warten */
- a_sock_len = sizeof( a_addr );
- memset( &a_addr, 0, a_sock_len );
- a_sock = accept( my_sock, (struct sockaddr *)&a_addr, &a_sock_len );
- if( a_sock < 0 )
- {
- if( errno == EINTR ) continue;
-
- Log( LOG_FATAL, "Can't accept connection: %s", strerror( errno ));
- exit( 1 );
- }
- Log( LOG_INFO, "Accepted connection from %s:%d.", inet_ntoa( a_addr.sin_addr ), ntohs( a_addr.sin_port));
- fd = fdopen( a_sock, "w" );
-
- fputs( "hello world!\n", fd ); fflush( fd );
-
- fclose( fd );
- close( a_sock );
+ Conn_Handler( );
}
- /* Aufraeumen (Sockets etc.!?) */
- close( my_sock );
-
+ /* Alles abmelden */
+ Conn_Exit( );
+ Conf_Exit( );
Log_Exit( );
+
return 0;
} /* main */
+LOCAL VOID Initialize_Signal_Handler( VOID )
+{
+ /* Signal-Handler initialisieren: Strukturen anlegen und einhaengen :-) */
+
+ struct sigaction saction;
+
+ /* Signal-Struktur initialisieren */
+ memset( &saction, 0, sizeof( saction ));
+ saction.sa_handler = Signal_Handler;
+
+ /* Signal-Handler einhaengen */
+ sigaction( SIGALRM, &saction, NULL );
+ sigaction( SIGHUP, &saction, NULL);
+ sigaction( SIGINT, &saction, NULL );
+ sigaction( SIGQUIT, &saction, NULL );
+ sigaction( SIGTERM, &saction, NULL);
+ sigaction( SIGUSR1, &saction, NULL);
+ sigaction( SIGUSR2, &saction, NULL);
+} /* Initialize_Signal_Handler */
+
+
LOCAL VOID Signal_Handler( INT Signal )
{
+ /* Signal-Handler. Dieser wird aufgerufen, wenn eines der Signale eintrifft,
+ * fuer das wir uns registriert haben (vgl. Initialize_Signal_Handler). Die
+ * Nummer des eingetroffenen Signals wird der Funktion uebergeben. */
+
switch( Signal )
{
case SIGTERM:
case SIGINT:
case SIGQUIT:
+ /* wir soll(t)en uns wohl beenden ... */
Log( LOG_WARN, "Got signal %d, terminating now ...", Signal );
do_quit_now = TRUE;
break;
default:
+ /* unbekanntes bzw. unbehandeltes Signal */
Log( LOG_WARN, "Got signal %d! Ignored.", Signal );
}
} /* Signal_Handler */
