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/*
*
* (C) 2013-14 - ntop.org
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "ntop_includes.h"
/* ******************************************* */
PeriodicActivities::PeriodicActivities() {
}
/* ******************************************* */
PeriodicActivities::~PeriodicActivities() {
void *res;
pthread_join(secondLoop, &res);
pthread_join(minuteLoop, &res);
pthread_join(hourLoop, &res);
pthread_join(dayLoop, &res);
}
/* **************************************************** */
static void* secondStartLoop(void* ptr) { ((PeriodicActivities*)ptr)->secondActivitiesLoop(); return(NULL); }
static void* minuteStartLoop(void* ptr) { ((PeriodicActivities*)ptr)->minuteActivitiesLoop(); return(NULL); }
static void* hourStartLoop(void* ptr) { ((PeriodicActivities*)ptr)->hourActivitiesLoop(); return(NULL); }
static void* dayStartLoop(void* ptr) { ((PeriodicActivities*)ptr)->dayActivitiesLoop(); return(NULL); }
/* ******************************************* */
void PeriodicActivities::startPeriodicActivitiesLoop() {
struct stat buf;
ntop->getTrace()->traceEvent(TRACE_NORMAL, "Started periodic activities loop...");
if(stat(ntop->get_callbacks_dir(), &buf) != 0) {
ntop->getTrace()->traceEvent(TRACE_ERROR, "Unable to read directory %s", ntop->get_callbacks_dir());
ntop->getTrace()->traceEvent(TRACE_ERROR, "Possible cause:\n");
ntop->getTrace()->traceEvent(TRACE_ERROR, "The current user cannot access %s.", ntop->get_callbacks_dir());
ntop->getTrace()->traceEvent(TRACE_ERROR, "Please fix the directory right or add --dont-change-user to");
ntop->getTrace()->traceEvent(TRACE_ERROR, "the ntopng command line.");
_exit(0);
}
pthread_create(&secondLoop, NULL, secondStartLoop, (void*)this);
pthread_create(&minuteLoop, NULL, minuteStartLoop, (void*)this);
pthread_create(&hourLoop, NULL, hourStartLoop, (void*)this);
pthread_create(&dayLoop, NULL, dayStartLoop, (void*)this);
}
/* ******************************************* */
void PeriodicActivities::runScript(char *path) {
struct stat statbuf;
if(stat(path, &statbuf) == 0) {
Lua *l;
try {
l = new Lua();
} catch(std::bad_alloc& ba) {
static bool oom_warning_sent = false;
if(!oom_warning_sent) {
ntop->getTrace()->traceEvent(TRACE_WARNING, "Not enough memory");
oom_warning_sent = true;
}
return;
}
ntop->getTrace()->traceEvent(TRACE_INFO, "Starting script %s", path);
l->run_script(path, NULL);
delete l;
} else
ntop->getTrace()->traceEvent(TRACE_ERROR, "Missing script %s", path);
}
/* ******************************************* */
void PeriodicActivities::secondActivitiesLoop() {
char script[MAX_PATH];
snprintf(script, sizeof(script), "%s/%s", ntop->get_callbacks_dir(), SECOND_SCRIPT_PATH);
while(!ntop->getGlobals()->isShutdown()) {
runScript(script);
sleep(1);
}
}
/* ******************************************* */
void PeriodicActivities::minuteActivitiesLoop() {
char script[MAX_PATH];
u_int32_t next_run = (u_int32_t)time(NULL);
next_run -= (next_run % 60);
next_run += 60;
snprintf(script, sizeof(script), "%s/%s", ntop->get_callbacks_dir(), MINUTE_SCRIPT_PATH);
while(!ntop->getGlobals()->isShutdown()) {
u_int now = (u_int)time(NULL);
if(now >= next_run) {
runScript(script);
next_run += 60;
}
sleep(1);
}
}
/* ******************************************* */
void PeriodicActivities::hourActivitiesLoop() {
char script[MAX_PATH];
u_int32_t next_run = (u_int32_t)time(NULL);
next_run -= (next_run % 3600);
next_run += 3600;
snprintf(script, sizeof(script), "%s/%s", ntop->get_callbacks_dir(), HOURLY_SCRIPT_PATH);
while(!ntop->getGlobals()->isShutdown()) {
u_int now = (u_int)time(NULL);
if(now >= next_run) {
runScript(script);
next_run += 3600;
}
sleep(1);
}
}
/* ******************************************* */
void PeriodicActivities::dayActivitiesLoop() {
char script[MAX_PATH];
u_int32_t next_run = (u_int32_t)time(NULL);
next_run -= (next_run % 86400);
next_run -= ntop->get_time_offset();
next_run += 86400;
snprintf(script, sizeof(script), "%s/%s",
ntop->get_callbacks_dir(), DAILY_SCRIPT_PATH);
while(!ntop->getGlobals()->isShutdown()) {
u_int now = (u_int)time(NULL);
if(now >= next_run) {
runScript(script);
next_run += 86400;
}
sleep(1);
}
}
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