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utils.c
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utils.c
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#include "miniserv.h"
int duration (struct timeval *start,struct timeval *stop,struct timeval *delta)
{
suseconds_t microstart, microstop, microdelta;
microstart = (suseconds_t) (100000*(start->tv_sec))+ start->tv_usec;
microstop = (suseconds_t) (100000*(stop->tv_sec))+ stop->tv_usec;
microdelta = microstop - microstart;
delta->tv_usec = microdelta%100000;
delta->tv_sec = (time_t)(microdelta/100000);
if((*delta).tv_sec < 0 || (*delta).tv_usec < 0)
return -1;
else
return 0;
}
int create_server_socket(int port)
{
int l;
int sfd;
int yes;
yes = 1;
sfd = socket(PF_INET,SOCK_STREAM,0);
if (sfd == -1){
perror("Socket fail");
return EXIT_SUCCESS;
}
if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR,&yes,sizeof(int)) == -1 )
{
perror("Setsockopt error");
exit(5);
}
l=sizeof(struct sockaddr_in);
bzero(&sock_serv,l);
sock_serv.sin_family=AF_INET;
sock_serv.sin_port=htons(port);
sock_serv.sin_addr.s_addr=htonl(INADDR_ANY);
if(bind(sfd,(struct sockaddr*)&sock_serv,l)==-1)
{
perror("Bind fail");
return EXIT_FAILURE;
}
return sfd;
}
int create_client_socket(int port, char* ipaddr)
{
int l;
int sfd;
sfd = socket(PF_INET,SOCK_STREAM,0);
if (sfd == -1)
{
perror("Socket fail");
return EXIT_FAILURE;
}
l = sizeof(struct sockaddr_in);
bzero(&sock_serv,l);
sock_serv.sin_family = AF_INET;
sock_serv.sin_port = htons(port);
if (inet_pton(AF_INET,ipaddr,&sock_serv.sin_addr) == 0)
{
printf("Invalid IP adress\n");
return EXIT_FAILURE;
}
return sfd;
}