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/* uds_server.c */
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#define BUF 1024
#define UDS_FILE "/tmp/osmocom_l2"
int main(void) {
int create_socket, new_socket;
socklen_t addrlen;
char *buffer = malloc(BUF);
ssize_t size;
struct sockaddr_un address;
printf("\e[2J");
if ((create_socket = socket(AF_LOCAL, SOCK_STREAM, 0)) > 0)
printf("Socket wurde angelegt\n");
unlink(UDS_FILE);
address.sun_family = AF_LOCAL;
strcpy(address.sun_path, UDS_FILE);
if (bind(create_socket, (struct sockaddr *) &address, sizeof(address))
!= 0) {
printf("Der Port ist nicht frei – belegt!\n");
}
listen(create_socket, 5);
addrlen = sizeof(struct sockaddr_in);
new_socket = accept(create_socket, (struct sockaddr *) &address, &addrlen);
if (new_socket > 0)
printf("Ein Client ist verbunden ...\n");
do {
printf("Nachricht zum Versenden: ");
fgets(buffer, BUF, stdin);
send(new_socket, buffer, strlen(buffer), 0);
size = recv(new_socket, buffer, BUF - 1, 0);
if (size > 0)
buffer[size] = '\0';
printf("Nachricht empfangen: %s\n", buffer);
} while (strcmp(buffer, "quit\n") != 0);
close(new_socket);
close(create_socket);
return EXIT_SUCCESS;
}
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