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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
int main(int argc, char *argv[])
{
int s, teste,n;
char buffer[1024];
struct addrinfos mask, *res, *r;
printf("Cette machine est le Serveur TCP\n\n");
printf("Elle recoit les packets\n\n");
memset(&mask, 0, sizeof(mask));
mask.ai_family=PF_UNSPEC;
mask.ai_socktype=SOCK_STREAM;
//getaddrinfo("www.kame.net", "http", &hints, &res0);
if ((getaddrinfo(argv[1], argv[2],&mask,&res))!=0)
{
errx(1, "%s", gai_strerror(1));
}
r=res;
while(r!=NULL)
{
s = socket(res->ai_family, res->ai_socktype,res->ai_protocol);
teste = connect(s, res->ai_addr, res->ai_addrlen);
if(teste==-1)
{
close(s);}
else {break;}
r=r->ai_next;
}
if(r==NULL)
{
printf(stderr,"connection impossible sur %s\n",argv[1]);
exit(1);
}
freeaddrinfo(res);
while((n=read(0,buffer,1024))>0)
{
write(s,buffer,n);
read(s,buffer,n);
write(1,buffer,n);
}
} |