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"depot M311"

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JunkJumper
2020-05-02 00:01:44 +02:00
parent 16e128821d
commit 7c43e9c334
81 changed files with 2045 additions and 0 deletions
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62
S3T_TP_08_TCP-IP/DEMOS/client_tcp.c Normal file
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/******************************************************/
/* S3T - M311 - CHIGNOLI */
/* Client IPC/BERKELEY -- DOMAINE INET -- MODE TCP */
/* A FINIR - A FINIR -A FINIR - A FINIR - A FINIR */
/******************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <signal.h>
#include <arpa/inet.h>
#define BUFSIZE 80
int sd;
int main (int argc, char* argv [])
{
char buffer [BUFSIZE];
struct hostent *host_name;
struct sockaddr_in socket_name;
if (argc != 2)
{
printf ("\nSYNTAXE : %s <machine>\n\n", argv[0]); exit (1);
}
/* Obtention d'un descripteur de "socket" */
if ((sd = socket (PF_INET, SOCK_DGRAM, 0)) == -1)
{ perror ("*** Echec socket ***"); exit (2); }
/* Recherche de l'adresse INTERNET de la machine du serveur */
host_name = gethostbyname (argv[1]);
if (host_name == 0)
{ fprintf (stderr, "\n*** Echec gethostbyname ***\n\n"); exit(1); }
/* Paramétrage de la "socket" */
bzero ( (char *) &socket_name, sizeof (socket_name) ); // mise à zero
socket_name.sin_family = AF_INET;
socket_name.sin_port = 6200;
bcopy (host_name -> h_addr, &socket_name.sin_addr, host_name -> h_length);
/* Affichage infos socket */
printf ("CLIENT sur machine %s (%u) - port %d\n",
inet_ntoa (socket_name.sin_addr),
socket_name.sin_addr, socket_name.sin_port);
/**************************************************/
/* A FAIRE : */
/* - demande de connexion */
/* - envoi de 80 caracteres au serveur */
/* - recuperation de 80 caracteres du serveur */
/* - affichage des 80 caractères retournés */
/**************************************************/
}
}

13
S3T_TP_08_TCP-IP/DEMOS/demo_dialogue.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
int main (int argc, char* argv[])
{
char buffer [80];
if (argc != 2) fprintf (stderr, "\nERREUR ... Syntaxe : %s nom_login\n\n", argv[0]), exit(1);
bzero (buffer, 80); // les '\0' sur 80 caracteres !!
sprintf (buffer, "%s OUI",argv[1]);
printf ("*%s*\n", buffer);
}

13
S3T_TP_08_TCP-IP/DEMOS/demo_echange.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
int main (int argc, char* argv[])
{
char buffer [80];
if (argc != 2) fprintf (stderr, "\nERREUR ... Syntaxe : %s chaine\n\n", argv[0]), exit(1);
bzero (buffer, 80);
strcpy (buffer, argv[1]);
printf ("\nBuffer a envoyer ou a recevoir : %s\n\n", buffer);
}

75
S3T_TP_08_TCP-IP/DEMOS/demo_serveur_tcp.c Normal file
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/******************************************************/
/* S3T - M311 - CHIGNOLI */
/* Serveur IPC/BERKELEY -- DOMAINE INET -- MODE TCP */
/* A FINIR - A FINIR -A FINIR - A FINIR - A FINIR */
/******************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <signal.h>
#include <arpa/inet.h>
#define BUFSIZE 80
int sd;
void arret_service()
{
printf("\n SERVEUR : SIGINT recu => Arret du SERVICE\n\n");
close(sd);
exit (0);
}
int main (int argc, char* argv [])
{
char buffer [BUFSIZE];
struct hostent *host_name;
struct sockaddr_in socket_name;
if (argc != 2)
{
printf ("\nSYNTAXE : %s <machine>\n\n", argv[0]); exit (1);
}
/* Armement du signal SIGINT pour arret "propre" du serveur */
signal(SIGINT,arret_service);
/* Obtention d'un descripteur de "socket" */
if ((sd = socket (PF_INET, SOCK_DGRAM, 0)) == -1)
{ perror ("*** Echec socket ***"); exit (2); }
/* Recherche de l'adresse INTERNET de la machine du serveur */
host_name = gethostbyname (argv[1]);
if (host_name == 0)
{ fprintf (stderr, "\n*** Echec gethostbyname ***\n\n"); exit(1); }
/* Paramétrage de la "socket" */
bzero ( (char *) &socket_name, sizeof (socket_name) ); // mise à zero
socket_name.sin_family = AF_INET;
socket_name.sin_port = 6200;
bcopy (host_name -> h_addr, &socket_name.sin_addr, host_name -> h_length);
/* Affichage infos socket */
printf ("SERVEUR sur machine %s (%u) - port %d\n",
inet_ntoa (socket_name.sin_addr),
socket_name.sin_addr, socket_name.sin_port);
/**************************************************/
/* A FAIRE : Suite du parametrage du "serveur" */
/**************************************************/
/* Boucle de traitement des demandes de connexion */
while (1)
{
/**************************************************/
/* A FAIRE : Attente des demandes de connexion */
/* d'un client et traitement. */
/**************************************************/
}
}

13
S3T_TP_08_TCP-IP/DEMOS/demo_wait3.c Normal file
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:*******************************/
/* handler de signaux SIGCHILD */
/* Comptage de fin de fils */
/*******************************/
void handler_SIGCHLD()
/* Pour eliminer les zombies */
{
while (wait3 (NULL, WNOHANG, NULL) > 0)
{
nb_fils--;
}
}