add client IP output on new connection

src/main.cpp

@@ -235,7 +235,9 @@ int main(int argc , char *argv[]) {
 			if (fds[i].fd == master_socket && fds[i].revents == POLLIN) {
 				// Handle new connections
 				do {
-					newsock = accept(master_socket, NULL, NULL);
+					struct sockaddr_in client_name;
+					socklen_t client_len = sizeof(client_name);
+					newsock = accept(master_socket, (struct sockaddr*)&client_name, &client_len);
 					if (newsock < 0) {
 						if (errno != EWOULDBLOCK) {
 							logger->print(LOGLEVEL_ERROR, "net: accept() failed: {}", strerror(errno));
@@ -262,8 +264,17 @@ int main(int argc , char *argv[]) {
 					// Set non-blocking mode
 					int flags = fcntl(newsock, F_GETFL, 0);
 					fcntl(newsock, F_SETFL, flags | O_NONBLOCK);
+					
+					char client_addr[INET_ADDRSTRLEN];
+					inet_ntop(AF_INET, &client_name.sin_addr, client_addr, sizeof(client_addr));
 
-					logger->print(LOGLEVEL_DEBUG, "client {} accepted in slot {}", newsock, slot);
+					logger->print(
+						LOGLEVEL_DEBUG, 
+						"client {} (ip: {}) accepted in slot {}", 
+						newsock, 
+						client_addr,
+						slot
+					);
 					
 					fds[slot].fd = newsock;
 					fds[slot].events = POLLIN;