72 lines
1.6 KiB
C
72 lines
1.6 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>
|
||
|
|
|
||
|
|
/* rozmiar bufora */
|
||
|
|
#define BUFFER_SIZE 30000
|
||
|
|
|
||
|
|
/* liczba powtorzen */
|
||
|
|
#define ATTEMPTS 100
|
||
|
|
|
||
|
|
char buf[BUFFER_SIZE];
|
||
|
|
|
||
|
|
/*
|
||
|
|
argv[1] - numer portu
|
||
|
|
*/
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
struct sockaddr_in myaddr, endpoint;
|
||
|
|
int sdsocket, sdconnection, addrlen, received;
|
||
|
|
|
||
|
|
if (argc < 2) {
|
||
|
|
printf("podaj numer portu jako parametr\n");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
sdsocket = socket(AF_INET, SOCK_STREAM, 0);
|
||
|
|
addrlen = sizeof(struct sockaddr_in);
|
||
|
|
|
||
|
|
myaddr.sin_family = AF_INET;
|
||
|
|
myaddr.sin_port = htons(atoi(argv[1]));
|
||
|
|
myaddr.sin_addr.s_addr = htonl(INADDR_ANY);
|
||
|
|
|
||
|
|
if (bind(sdsocket,(struct sockaddr*) &myaddr,addrlen) < 0) {
|
||
|
|
printf("bind() nie powiodl sie\n");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (listen(sdsocket, 10) < 0) {
|
||
|
|
printf("listen() nie powiodl sie\n");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
while ((sdconnection =
|
||
|
|
accept(sdsocket,
|
||
|
|
(struct sockaddr*) &endpoint,
|
||
|
|
&addrlen)) >= 0)
|
||
|
|
{
|
||
|
|
received = 0;
|
||
|
|
/* odbior moze odbywac sie w mniejszych
|
||
|
|
segmentach */
|
||
|
|
while (received < BUFFER_SIZE)
|
||
|
|
{
|
||
|
|
received += recv(sdconnection,
|
||
|
|
buf+received,
|
||
|
|
BUFFER_SIZE-received,
|
||
|
|
0);
|
||
|
|
}
|
||
|
|
send(sdconnection, buf, BUFFER_SIZE, 0);
|
||
|
|
close(sdconnection);
|
||
|
|
}
|
||
|
|
|
||
|
|
close(sdsocket);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|