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#pragma once
#include "../../config.h"
#include "../../lib/states.h"
#include <stddef.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/ip_icmp.h>
#include <netinet/icmp6.h>
#include <arpa/inet.h>
#include <stdint.h>
#include "./check_icmp_helpers.h"
/* threshold structure. all values are maximum allowed, exclusive */
typedef struct {
unsigned char pl; /* max allowed packet loss in percent */
time_t rta; /* roundtrip time average, microseconds */
double jitter; /* jitter time average, microseconds */
double mos; /* MOS */
double score; /* Score */
} check_icmp_threshold;
/* the different modes of this program are as follows:
* MODE_RTA: send all packets no matter what (mimic check_icmp and check_ping)
* MODE_HOSTCHECK: Return immediately upon any sign of life
* In addition, sends packets to ALL addresses assigned
* to this host (as returned by gethostbyname() or
* gethostbyaddr() and expects one host only to be checked at
* a time. Therefore, any packet response what so ever will
* count as a sign of life, even when received outside
* crit.rta limit. Do not misspell any additional IP's.
* MODE_ALL: Requires packets from ALL requested IP to return OK (default).
* MODE_ICMP: Default Mode
*/
typedef enum {
MODE_RTA,
MODE_HOSTCHECK,
MODE_ALL,
MODE_ICMP,
} check_icmp_execution_mode;
typedef struct {
bool order_mode;
bool mos_mode;
bool rta_mode;
bool pl_mode;
bool jitter_mode;
bool score_mode;
} check_icmp_mode_switches;
typedef struct {
check_icmp_mode_switches modes;
int min_hosts_alive;
check_icmp_threshold crit;
check_icmp_threshold warn;
unsigned long ttl;
unsigned short icmp_data_size;
unsigned short icmp_pkt_size;
time_t pkt_interval;
time_t target_interval;
unsigned short number_of_packets;
char *source_ip;
bool need_v4;
bool need_v6;
uint16_t sender_id; // PID of the main process, which is used as an ID in packets
check_icmp_execution_mode mode;
unsigned short number_of_targets;
ping_target *targets;
unsigned short number_of_hosts;
check_icmp_target_container *hosts;
} check_icmp_config;
check_icmp_config check_icmp_config_init();
/* the data structure */
typedef struct icmp_ping_data {
struct timeval stime; /* timestamp (saved in protocol struct as well) */
unsigned short ping_id;
} icmp_ping_data;
#define MAX_IP_PKT_SIZE 65536 /* (theoretical) max IP packet size */
#define IP_HDR_SIZE 20
#define MAX_PING_DATA (MAX_IP_PKT_SIZE - IP_HDR_SIZE - ICMP_MINLEN)
#define MIN_PING_DATA_SIZE sizeof(struct icmp_ping_data)
#define DEFAULT_PING_DATA_SIZE (MIN_PING_DATA_SIZE + 44)
/* 80 msec packet interval by default */
#define DEFAULT_PKT_INTERVAL 80000
#define DEFAULT_TARGET_INTERVAL 0
#define DEFAULT_WARN_RTA 200000
#define DEFAULT_CRIT_RTA 500000
#define DEFAULT_WARN_PL 40
#define DEFAULT_CRIT_PL 80
#define DEFAULT_TIMEOUT 10
#define DEFAULT_TTL 64
#define DEFAULT_NUMBER_OF_PACKETS 5
#define PACKET_BACKOFF_FACTOR 1.5
#define TARGET_BACKOFF_FACTOR 1.5
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