Accept incoming connections inside main loop

main.c

@@ -16,6 +16,7 @@
  * <https://www.gnu.org/licenses/>.
  */
 
+#include <errno.h>
 #include <netinet/in.h>
 #include <signal.h>
 #include <stdbool.h>
@@ -65,8 +66,23 @@ int main(int argc, char *argv[])
 		return 1;
 	}
 
+	struct sockaddr_in6 paddr;
+	socklen_t paddr_size = sizeof(paddr);
+	int cfd;
 	while (!exit_requested) {
-		sleep(1);
+		cfd = accept(sfd, (struct sockaddr *)&paddr, &paddr_size);
+		if (cfd == -1) {
+			if (errno != EINTR) {
+				fprintf(stderr, "Error accepting connection\n");
+				return 1;
+			} else {
+				continue;
+			}
+		}
+
+		printf("Accepted connection\n");
+
+		close(cfd);
 	}
 
 	close(sfd);