59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
#pragma once
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#include "netinet/in.h"
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#include "netinet/ip_icmp.h"
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#include <help.h>
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#include <opt_parse.h>
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#include <bits/types/struct_timeval.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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extern char *exec_name;
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extern int tx_count;
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extern int rx_count;
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extern char *address;
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extern double *times;
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extern int sock;
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extern char **hosts;
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extern bool verbose;
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typedef struct {
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uint32_t count;
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uint16_t size;
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uint16_t timeout;
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uint16_t linger;
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uint16_t interval;
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} options_t;
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typedef struct {
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struct icmphdr hdr;
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char *msg;
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} icmp_pckt_t;
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#define MAX_WAIT_TIME 5
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#define DEFAULT_VERBOSE false
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#define DEFAULT_SIZE 56
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#define DEFAULT_INTERVAL 1
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#define DEFAULT_TIMEOUT -1
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#define DEFAULT_COUNT -1
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#define DEFAULT_LINGER 10
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int send_ping(int socket, struct sockaddr_in *dest, options_t opt);
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int init_socket(options_t opt);
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void init_packet(char *buf, int seq, uint32_t size);
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int send_icmp(int socket, char *buf, struct sockaddr_in *addr, uint32_t size);
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int receive_icmp(int socket, char *buf, uint32_t size,
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struct sockaddr_in *addr);
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void process_icmp(char *buf, int bytes, struct sockaddr_in *addr, int seq,
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struct timeval *tv_start, struct timeval *tv_end);
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int ping(args_t *args);
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// Internal
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unsigned short get_checksum(unsigned short *addr, int count);
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