From 3b71854b62621bccaa256e90d3dc21cc570b7a7c Mon Sep 17 00:00:00 2001
From: Aadhavan Srinivasan <aadhavan@twomorecents.org>
Date: Wed, 5 Apr 2023 10:29:12 -0500
Subject: [PATCH] Finished message address checking, worked on SIGINT handling

---
 main.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/main.c b/main.c
index 083de6b..e54f280 100644
--- a/main.c
+++ b/main.c
@@ -4,6 +4,7 @@
 #include <stdbool.h>
 #include <assert.h>
 #include <unistd.h>
+#include <signal.h>
 
 #include "message.h"
 #include "user.h"
@@ -14,11 +15,15 @@
 #define BUFFER_SIZE 10000
 #define MAX_CONNECTIONS 100
 
-int num_of_lines(char* filename);
-char* file_to_string(char* filename);
 User* create_user_list(char* filename);
+void sigint_handler(int dummy);
+
+bool stop_running = false;
 
 int main() {
+
+	signal(SIGINT,sigint_handler);
+
 	struct sockaddr temp_addr;
 	socklen_t temp_addrlen;
 
@@ -73,6 +78,9 @@ int main() {
 							if (check_ip_ver(dest_address[i]) == -1) {
 								printf("Invalid address: %s\n",dest_address[i]);
 								exit(242);
+							} else {
+								printf("Valid IPv%d addres: %s\n",check_ip_ver(dest_address[i]),dest_address[i]);
+								exit(0);
 							}
 
 						}
@@ -91,6 +99,13 @@ int main() {
 		}
 		
 
+	if (stop_running) {
+		for (int i=0; i< MAX_CONNECTIONS; i++) {
+			close(conn_sockets[i]);
+		}
+		exit(130);
+	}
+
 
 	}
 
@@ -125,3 +140,7 @@ User* create_user_list(char* filename) {
 	return users;
 
 }
+
+void sigint_handler(int dummy) {
+	stop_running = true;	
+}