ZSIK_Projekt/server/server.c
2019-11-27 14:21:20 +01:00

140 lines
3.5 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <dirent.h>
int main(int argc, char **argv)
{
const int port = 7332;
struct sockaddr_in myaddr, endpoint;
int sdsocket, sdconnection, addrlen, sdconnection2, n, rec;
char odbior[512];
struct dirent **namelist;
char name_file[512];
char names_files[512];
sdsocket = socket(AF_INET, SOCK_STREAM, 0);
addrlen = sizeof(struct sockaddr_in);
myaddr.sin_family = AF_INET;
myaddr.sin_port = htons(port);
myaddr.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(sdsocket, (struct sockaddr *)&myaddr, addrlen) < 0)
{
printf("bind() nie powiodl sie (failed)\n");
return 1;
}
if (listen(sdsocket, 10) < 0)
{
printf("listen() nie powiodl sie (failed)\n");
return 1;
}
/*while ((sdconnection =
accept(sdsocket,
(struct sockaddr *)&endpoint,
&addrlen)) >= 0)
{
printf("Connected\n");
send(sdconnection, "CONNECT", 7, 0);
close(sdconnection);
break;
}*/
while (1)
{
while ((sdconnection =
accept(sdsocket,
(struct sockaddr *)&endpoint,
&addrlen)) >= 0)
{
printf("CONNECT FROM : %s\n ", inet_ntoa(endpoint.sin_addr));
bzero(odbior, 512);
rec = recv(sdconnection, odbior, 512, 0);
close(sdconnection);
if (strncmp("GET_ALL_FILES", odbior, 13) == 0)
{
printf("Sending list of names files\n");
bzero(names_files, 512);
bzero(name_file, 512);
n = scandir(".", &namelist, NULL, alphasort);
if (n == -1)
{
perror("scandir");
exit(EXIT_FAILURE);
}
while (n--)
{
sprintf(name_file, "%s\n", namelist[n]->d_name);
strcat(names_files, name_file);
free(namelist[n]);
}
free(namelist);
while ((sdconnection2 =
accept(sdsocket,
(struct sockaddr *)&endpoint,
&addrlen)) >= 0)
{
send(sdconnection2, names_files, 512, 0);
close(sdconnection2);
break;
}
}
else if (strncmp("EXIT", odbior, 4) == 0)
{
printf("Server shut down..\n");
close(sdconnection);
close(sdsocket);
return 0;
}
else
{
printf("Wrong query\n %s nie istnieje\n", odbior);
while ((sdconnection2 =
accept(sdsocket,
(struct sockaddr *)&endpoint,
&addrlen)) >= 0)
{
send(sdconnection2, "wrong query", 512, 0);
close(sdconnection2);
break;
}
}
}
}
close(sdsocket);
return 0;
}