mirror of
https://github.com/Theldus/alertik.git
synced 2024-11-25 17:23:16 +01:00
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*
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* Alertik: a tiny 'syslog' server & notification tool for Mikrotik routers.
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* This is free and unencumbered software released into the public domain.
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*/
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#define _POSIX_C_SOURCE 200809L
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include "alertik.h"
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#include "events.h"
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#include "env_events.h"
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#include "log.h"
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#include "notifiers.h"
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#include "syslog.h"
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/* Misc. */
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#define LAST_SENT_THRESHOLD_SECS 10 /* Minimum time (in secs) between two */
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time_t time_last_sent_notify; /* notifications. */
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static void *handle_messages(void *p)
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{
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((void)p);
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size_t i;
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struct log_event ev = {0};
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while (syslog_pop_msg_from_fifo(&ev) >= 0) {
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print_log_event(&ev);
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if ((time(NULL) - time_last_sent_notify) <= LAST_SENT_THRESHOLD_SECS) {
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log_msg("ignoring, reason: too many notifications!\n");
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continue;
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}
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/* Check if it belongs to any of our desired events. */
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for (i = 0; i < NUM_EVENTS; i++) {
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if (strstr(ev.msg, handlers[i].str)) {
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handlers[i].hnd(&ev);
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break;
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}
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}
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if (i == NUM_EVENTS)
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log_msg("> No match!\n");
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}
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return NULL;
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}
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int main(void)
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{
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pthread_t handler;
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int fd;
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log_init();
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setup_notifiers();
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init_environment_events();
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log_msg(
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"Alertik (" GIT_HASH ") (built at " __DATE__ " " __TIME__ ")\n");
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log_msg(" (https://github.com/Theldus/alertik)\n");
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log_msg("-------------------------------------------------\n");
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fd = syslog_create_udp_socket();
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if (pthread_create(&handler, NULL, handle_messages, NULL))
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panic_errno("Unable to create hanler thread!");
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log_msg("Waiting for messages at :%d (UDP)...\n", SYSLOG_PORT);
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while (syslog_enqueue_new_upd_msg(fd) >= 0);
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return EXIT_SUCCESS;
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}
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