「✨」 feat: added the verbose mode

includes/ping.h

@@ -17,9 +17,9 @@ extern int	   rx_count;
 extern char	  *address;
 extern double *times;
 extern int	   sock;
+extern bool	   verbose;
 
 typedef struct {
-	bool	 verbose;
 	uint32_t count;
 	uint16_t size;
 	uint16_t timeout;
@@ -34,7 +34,6 @@ typedef struct {
 
 #define MAX_WAIT_TIME 5
 
-// TODO: implement the verbose mode !!!
 #define DEFAULT_VERBOSE false
 
 #define DEFAULT_SIZE 64

src/main.c

@@ -10,6 +10,7 @@ char   *exec_name;
 double *times = NULL;
 int		rx_count = 0;
 int		tx_count = 0;
+bool	verbose = DEFAULT_VERBOSE;
 
 void init_args_t(args_t *args) {
 	OPT_WHILE {

src/ping/send_icmp.c

@@ -15,6 +15,10 @@
 #include <unistd.h>
 
 int send_icmp(int socket, char *buf, struct sockaddr_in *addr, uint32_t size) {
+	if (verbose) {
+		int seq = ntohs(((struct icmphdr *)buf)->un.echo.sequence);
+		printf("Sending packet: seq=%d, size=%d bytes\n", seq, size);
+	}
 	int bytes_send = sendto(socket, buf, (unsigned long)size, 0,
 							(struct sockaddr *)addr, sizeof(*addr));
 
@@ -36,6 +40,17 @@ int receive_icmp(int socket, char *buf, uint32_t size,
 		bytes =
 			recvfrom(socket, buf, size, 0, (struct sockaddr *)addr, &addr_len);
 
+	if (verbose) {
+		printf("Received packet: seq=%d, size=%d bytes, TTL=%d\n", icmp->un.echo.sequence,
+			   bytes - (((struct ip *)buf)->ip_hl << 2), ((struct ip *)buf)->ip_ttl);
+		// Print raw packet data (hex dump)
+		printf("Packet data: ");
+		for (int i = 0; i < bytes; i++) {
+			printf("%02x ", (unsigned char)buf[i]);
+		}
+		printf("\n");
+	}
+
 	return bytes;
 }
 
@@ -44,6 +59,7 @@ void process_icmp(char *buf, int bytes, struct sockaddr_in *addr, int seq,
 	struct ip *ip = (struct ip *)buf;
 	int		   len = ip->ip_hl << 2;
 	if (len < 20) {
+		if (verbose)
 			fprintf(stderr, "Invalid IP header length\n");
 		return;
 	}

src/ping/send_ping.c

@@ -33,7 +33,7 @@ void sigint(int sig) {
 
 options_t init_opt(args_t *args) {
 	options_t opt;
-	opt.verbose = args->opts[VERBOSE] != false ? true : DEFAULT_VERBOSE;
+	verbose = args->opts[VERBOSE] != false ? true : DEFAULT_VERBOSE;
 	opt.count = args->arg[COUNT] != -1 ? args->arg[COUNT] : DEFAULT_COUNT;
 	opt.size = args->arg[SIZE] != -1 ? args->arg[SIZE] : DEFAULT_SIZE;
 	opt.timeout =
@@ -68,11 +68,13 @@ int send_ping(int socket, struct sockaddr_in *dest, options_t opt) {
 		gettimeofday(&pkt_end, NULL);
 
 		if (bytes <= 0) {
+			if (verbose) {
 				if (errno == EAGAIN || errno == EWOULDBLOCK) {
 					printf("Request timeout for icmp_seq=%d\n", seq);
 				} else {
 					fprintf(stderr, "recv failed: %s\n", strerror(errno));
 				}
+			}
 		} else
 			process_icmp(recvbuf, bytes, &addr, seq, &pkt_start,
 						 &pkt_end);