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