albino/ngircd-tor
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- ein paar mehr Kommentare; Variablennamen verstaendlicher gemacht.

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- fehlenden Header <arpa/inet.h> ergaenz.
- SIGINT und SIGQUIT werden nun ebenfalls behandelt.
This commit is contained in:
Alexander Barton 2001-12-12 01:40:39 +00:00
parent ab0eb099e9
commit b61b8c4dc6
1 changed files with 38 additions and 25 deletions
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63
src/ngircd/ngircd.c
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@ -9,11 +9,16 @@
* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
* der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS. * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
* *
* $Id: ngircd.c,v 1.2 2001/12/11 22:04:21 alex Exp $ * $Id: ngircd.c,v 1.3 2001/12/12 01:40:39 alex Exp $
* *
* ngircd.c: Hier beginnt alles ;-) * ngircd.c: Hier beginnt alles ;-)
* *
* $Log: ngircd.c,v $ * $Log: ngircd.c,v $
* Revision 1.3 2001/12/12 01:40:39 alex
* - ein paar mehr Kommentare; Variablennamen verstaendlicher gemacht.
* - fehlenden Header <arpa/inet.h> ergaenz.
* - SIGINT und SIGQUIT werden nun ebenfalls behandelt.
*
* Revision 1.2 2001/12/11 22:04:21 alex * Revision 1.2 2001/12/11 22:04:21 alex
* - Test auf stdint.h (HAVE_STDINT_H) hinzugefuegt. * - Test auf stdint.h (HAVE_STDINT_H) hinzugefuegt.
* *
@ -23,10 +28,10 @@
*/ */
#define PORTAB_CHECK_TYPES #define PORTAB_CHECK_TYPES /* Prueffunktion einbinden, s.u. */
#ifndef socklen_t #ifndef socklen_t
#define socklen_t int #define socklen_t int /* u.a. fuer Mac OS X */
#endif #endif
#include <portab.h> #include <portab.h>
@ -35,7 +40,7 @@
#include <imp.h> #include <imp.h>
#ifdef HAVE_STDINT_H #ifdef HAVE_STDINT_H
#include <stdint.h> #include <stdint.h> /* u.a. fuer Mac OS X */
#endif #endif
#include <assert.h> #include <assert.h>
@ -43,10 +48,12 @@
#include <signal.h> #include <signal.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <unistd.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h> #include <netinet/in.h>
#include <arpa/inet.h>
#include "log.h" #include "log.h"
@ -54,7 +61,7 @@
#include "ngircd.h" #include "ngircd.h"
BOOLEAN do_quit_now = FALSE; BOOLEAN do_quit_now = FALSE; /* TRUE: Hauptschleife beenden */
LOCAL VOID Signal_Handler( INT Signal ); LOCAL VOID Signal_Handler( INT Signal );
@ -64,9 +71,9 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
{ {
FILE *fd; FILE *fd;
struct sigaction saction; struct sigaction saction;
struct sockaddr_in my_sock, a_sock; struct sockaddr_in my_addr, a_addr;
int my_sock_hndl; int my_sock, a_sock;
int a_sock_len, a_hndl; int a_sock_len;
portab_check_types( ); portab_check_types( );
@ -77,19 +84,22 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
saction.sa_handler = Signal_Handler; saction.sa_handler = Signal_Handler;
/* Signal-Handler einhaengen */ /* Signal-Handler einhaengen */
sigaction( SIGALRM, &saction, NULL );
sigaction( SIGHUP, &saction, NULL); sigaction( SIGHUP, &saction, NULL);
sigaction( SIGINT, &saction, NULL );
sigaction( SIGQUIT, &saction, NULL );
sigaction( SIGTERM, &saction, NULL); sigaction( SIGTERM, &saction, NULL);
sigaction( SIGUSR1, &saction, NULL); sigaction( SIGUSR1, &saction, NULL);
sigaction( SIGUSR2, &saction, NULL); sigaction( SIGUSR2, &saction, NULL);
/* Server-"Listen"-Socket initialisieren */ /* Server-"Listen"-Socket initialisieren */
memset( &my_sock, 0, sizeof( my_sock )); memset( &my_addr, 0, sizeof( my_addr ));
my_sock.sin_family = AF_INET; my_addr.sin_family = AF_INET;
my_sock.sin_port = htons( 6668 ); my_addr.sin_port = htons( 6668 );
my_sock.sin_addr.s_addr = htonl( INADDR_ANY ); my_addr.sin_addr.s_addr = htonl( INADDR_ANY );
/* Socket erzeugen, ... */ /* Socket erzeugen, ... */
my_sock_hndl = socket( AF_INET, SOCK_STREAM, 0); my_sock = socket( AF_INET, SOCK_STREAM, 0);
if( socket < 0 ) if( socket < 0 )
{ {
Log( LOG_FATAL, "Can't create socket: %s", strerror( errno )); Log( LOG_FATAL, "Can't create socket: %s", strerror( errno ));
@ -97,14 +107,14 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
} }
/* ... an Port binden ... */ /* ... an Port binden ... */
if( bind( my_sock_hndl, (struct sockaddr *)&my_sock, (socklen_t)sizeof( my_sock )) < 0 ) if( bind( my_sock, (struct sockaddr *)&my_addr, (socklen_t)sizeof( my_addr )) < 0 )
{ {
Log( LOG_FATAL, "Can't bind socket: %s", strerror( errno )); Log( LOG_FATAL, "Can't bind socket: %s", strerror( errno ));
exit( 1 ); exit( 1 );
} }
/* ... und in "listen mode" gehen :-) */ /* ... und in "listen mode" gehen :-) */
if( listen( my_sock_hndl, 4 ) < 0 ) if( listen( my_sock, 10 ) < 0 )
{ {
Log( LOG_FATAL, "Can't listen on soecket: %s", strerror( errno )); Log( LOG_FATAL, "Can't listen on soecket: %s", strerror( errno ));
exit( 1 ); exit( 1 );
@ -114,26 +124,27 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
while( ! do_quit_now ) while( ! do_quit_now )
{ {
/* auf Verbindung warten */ /* auf Verbindung warten */
a_sock_len = sizeof( a_sock ); a_sock_len = sizeof( a_addr );
memset( &a_sock, 0, a_sock_len ); memset( &a_addr, 0, a_sock_len );
a_hndl = accept( my_sock_hndl, (struct sockaddr *)&a_sock, &a_sock_len ); a_sock = accept( my_sock, (struct sockaddr *)&a_addr, &a_sock_len );
if( a_hndl < 0 ) if( a_sock < 0 )
{ {
if( errno == EINTR ) continue; if( errno == EINTR ) continue;
Log( LOG_FATAL, "Can't accept connection: %s", strerror( errno )); Log( LOG_FATAL, "Can't accept connection: %s", strerror( errno ));
exit( 1 ); exit( 1 );
} }
Log( LOG_INFO, "Accepted connection from %s:%d (handle %d).", inet_ntoa( a_sock.sin_addr ), ntohs( a_sock.sin_port), a_hndl ); Log( LOG_INFO, "Accepted connection from %s:%d.", inet_ntoa( a_addr.sin_addr ), ntohs( a_addr.sin_port));
fd = fdopen( a_hndl, "w" ); fd = fdopen( a_sock, "w" );
fputs( "hello world!\n", fd ); fflush( fd ); fputs( "hello world!\n", fd ); fflush( fd );
fclose( fd ); fclose( fd );
close( a_hndl ); close( a_sock );
} }
/* Aufraeumen (Sockets etc.!?) */ /* Aufraeumen (Sockets etc.!?) */
close( my_sock );
Log_Exit( ); Log_Exit( );
return 0; return 0;
@ -145,11 +156,13 @@ LOCAL VOID Signal_Handler( INT Signal )
switch( Signal ) switch( Signal )
{ {
case SIGTERM: case SIGTERM:
Log( LOG_WARN, "Got SIGTERM, terminating now ..." ); case SIGINT:
case SIGQUIT:
Log( LOG_WARN, "Got signal %d, terminating now ...", Signal );
do_quit_now = TRUE; do_quit_now = TRUE;
break; break;
default: default:
Log( LOG_WARN, "Got signal %d! I'll ignore it.", Signal ); Log( LOG_WARN, "Got signal %d! Ignored.", Signal );
} }
} /* Signal_Handler */ } /* Signal_Handler */