Add Makefile

.gitignore

@@ -1 +1,5 @@
 .vscode
+.cache
+generate_json.py
+ft_ping
+

Makefile

@@ -0,0 +1,52 @@
+NAME	= ./ft_ping
+
+SRCS	=	src/main.c \
+			src/utils.c
+
+
+OBJ_DIR	= objs
+OBJS	= $(addprefix $(OBJ_DIR)/, $(SRCS:.c=.o))
+
+CC		= clang
+CFLAGS	= -Wall -Wextra -Werror -I includes
+
+DEBUG		?= false
+MODE		=  "release"
+TOOLCHAIN	?= clang
+
+ifeq ($(TOOLCHAIN), gcc)
+	CC = gcc
+endif
+
+ifeq ($(DEBUG), true)
+	CFLAGS += -g -D DEBUG
+	MODE = "debug"
+endif
+
+RM		= rm -rf
+
+$(OBJ_DIR)/%.o: %.c
+	@echo "\e[1;32m[compiling "$(MODE)" {"$(CC)"}...]\e[1;00m "$<
+	@$(CC) $(CFLAGS) $(COPTS) -c $< -o $@
+
+all:		 $(NAME)
+
+
+
+$(NAME):	$(OBJ_DIR) $(OBJS)
+	@echo "\e[1;32m[linking   "$(MODE)" {"$(CC)"}...]\e[1;00m "$@
+	@$(CC) -o $(NAME) $(OBJS) -lm	
+	@echo "\e[1;32m[build finished]\e[1;00m"
+
+$(OBJ_DIR):
+	@mkdir -p $(sort $(addprefix $(OBJ_DIR)/, $(dir $(SRCS))))
+
+clean:
+	@$(RM) $(OBJ_DIR)
+
+fclean:		clean
+	@$(RM) $(NAME)
+
+re:			fclean all
+
+.PHONY:		all clean fclean re 

compile_commands.json

@@ -0,0 +1,12 @@
+[
+    {
+        "directory": "/nfs/homes/vvaas/42/ft_ping",
+        "command": "clang++ -std=c++20 -I includes -c /nfs/homes/vvaas/42/ft_ping/src/main.c -o /nfs/homes/vvaas/42/ft_ping/objs/ma.o",
+        "file": "/nfs/homes/vvaas/42/ft_ping/src/main.c"
+    },
+    {
+        "directory": "/nfs/homes/vvaas/42/ft_ping",
+        "command": "clang++ -std=c++20 -I includes -c /nfs/homes/vvaas/42/ft_ping/src/utils.c -o /nfs/homes/vvaas/42/ft_ping/objs/uti.o",
+        "file": "/nfs/homes/vvaas/42/ft_ping/src/utils.c"
+    }
+]

includes/ft_ping.h

@@ -15,6 +15,7 @@
 #include <netinet/ip_icmp.h>
 #include <arpa/inet.h>
 #include <netdb.h>
+#include <fcntl.h>
 
 #define PACKET_SIZE 64
 
@@ -34,7 +35,7 @@ struct packet_stats
 	double		timestamp_array[65536];
 };
 
-uint16_t calculate_checksum(uint16_t *data, int len);
+uint16_t make_checksum(uint16_t *data, int len);
 double get_timestamp();
 struct in_addr get_addr_by_hostname(char *hostname);
 double get_stddev(double *timestamp_array);

src/main.c

@@ -14,7 +14,7 @@ int ft_ping(int sock, uint16_t seq, struct sockaddr_in *dst)
 	icmp_hdr->code = 0;
 	icmp_hdr->id = getpid();
 	icmp_hdr->seq = seq;
-	icmp_hdr->checksum = calculate_checksum((uint16_t *)icmp_hdr, sizeof(icmp_hdr));
+	icmp_hdr->checksum = make_checksum((uint16_t *)icmp_hdr, sizeof(icmp_hdr));
 
 	if (sendto(sock, data, sizeof(data), 0, (struct sockaddr *)dst, sizeof(struct sockaddr_in)) == -1)
 	{
@@ -42,7 +42,7 @@ void ft_recv(int sock, uint16_t seq, char *ip, double start)
 	time = (get_timestamp() - start) * 1000;
 	checksum = icmp_hdr->checksum;
 	icmp_hdr->checksum = 0;
-	if (icmp_hdr->seq != seq || calculate_checksum((uint16_t *)icmp_hdr, sizeof(*icmp_hdr)) != checksum)
+	if (icmp_hdr->seq != seq || make_checksum((uint16_t *)icmp_hdr, sizeof(*icmp_hdr)) != checksum)
 		return;
 	fill_timestamp_array(&stats, time);
 	stats.n_packet_recv++;
@@ -93,6 +93,7 @@ void print_recap(char *ip)
 	printf("%d packed transmitted, %d received, %0.0f%% packet loss\n", stats.n_packet_sent, stats.n_packet_recv, (double)(100 - (stats.n_packet_recv / stats.n_packet_sent) * 100));
 	printf("round-trip min/avg/max/stddev = %5.3f/%5.3f/%5.3f/%5.3f ms\n", get_min(stats.timestamp_array), get_avg(stats.timestamp_array), get_max(stats.timestamp_array), get_stddev(stats.timestamp_array));
 }
+
 int main(int argc, char **argv)
 {
 	int					sock;

src/utils.c

@@ -1,7 +1,8 @@
 #include "ft_ping.h"
 
-uint16_t calculate_checksum(uint16_t *data, int len)
+uint16_t make_checksum(uint16_t *data, int len)
 {
+	// make the checksum of data
 	uint32_t checksum = 0;
 	int i = 0;
 
@@ -43,6 +44,7 @@ void fill_timestamp_array(struct packet_stats *stats, double time)
 
 double get_min(double *timestamp_array)
 {
+	// get the smallest element of the timestamp_array
     double min = timestamp_array[0];
     for (int i = 1; timestamp_array[i]; i++)
     {
@@ -54,6 +56,7 @@ double get_min(double *timestamp_array)
 
 double get_max(double *timestamp_array)
 {
+	// get the biggest element of the timestamp_array
     double max = timestamp_array[0];
     for (int i = 1; timestamp_array[i]; i++)
     {
@@ -65,6 +68,7 @@ double get_max(double *timestamp_array)
 
 double get_avg(double *timestamp_array)
 {
+	// get the average of elements in timestamp_array
     double avg = 0;
     int i = 0;
 
@@ -78,6 +82,7 @@ double get_avg(double *timestamp_array)
 
 double get_stddev(double *timestamp_array)
 {
+	// get the standard deviation of elements in timestamp_array
     float avg = get_avg(timestamp_array);
     float variance = 0;
     float variance_tmp;
@@ -88,4 +93,4 @@ double get_stddev(double *timestamp_array)
         variance += variance_tmp * variance_tmp;
     }
     return (sqrt(variance));
-}
+}