refactor: change project structure

src/utils/net_utils.c

@@ -0,0 +1,31 @@
+#include "utils/net_utils.h"
+
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <signal.h>
+
+volatile sig_atomic_t cws_server_run = 1;
+
+static void cws_utils_convert_ip(int family, void *addr, char *ip, size_t ip_len) {
+	inet_ntop(family, addr, ip, ip_len);
+}
+
+void cws_utils_get_client_ip(struct sockaddr_storage *sa, char *ip) {
+	if (sa->ss_family == AF_INET) {
+		struct sockaddr_in *sin = (struct sockaddr_in *)sa;
+		cws_utils_convert_ip(AF_INET, &sin->sin_addr, ip, INET_ADDRSTRLEN);
+	} else if (sa->ss_family == AF_INET6) {
+		struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
+		cws_utils_convert_ip(AF_INET6, &sin6->sin6_addr, ip, INET6_ADDRSTRLEN);
+	}
+}
+
+cws_server_ret cws_fd_set_nonblocking(int sockfd) {
+	const int status = fcntl(sockfd, F_SETFL, O_NONBLOCK);
+
+	if (status == -1) {
+		return CWS_SERVER_FD_NONBLOCKING_ERROR;
+	}
+
+	return CWS_SERVER_OK;
+}