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/********************************************
* NetMRG Integrator
*
* events.cpp
* NetMRG Gatherer Events Library
*
* see doc/LICENSE for copyright information
********************************************/
#include "events.h"
#include "utils.h"
#include "settings.h"
#include "monitors.h"
string situations[4] = { "Disabled", "Normal", "Warning", "Critical" };
uint process_events(DeviceInfo info, MYSQL *mysql)
{
MYSQL_RES *mysql_res;
MYSQL_ROW mysql_row;
uint status = 0;
string query = "SELECT id, trigger_type, last_status, situation, last_triggered, name FROM events WHERE mon_id=" + inttostr(info.monitor_id) + " AND trigger_type = 1";
mysql_res = db_query(mysql, &info, query);
for (uint i = 0; i < mysql_num_rows(mysql_res); i++)
{
mysql_row = mysql_fetch_row(mysql_res);
info.event_id = strtoint(mysql_row[0]);
if (process_event(info, mysql, strtoint(mysql_row[1]), strtoint(mysql_row[2]), strtoint(mysql_row[3]), strtoint(mysql_row[4]), mysql_row[5]))
{
status = worstof(status, strtoint(mysql_row[3]));
}
}
mysql_free_result(mysql_res);
return status;
} // end process_events()
uint process_event(DeviceInfo info, MYSQL *mysql, int trigger_type, int last_status, int situation, long int last_triggered, string name)
{
MYSQL_RES *mysql_res;
MYSQL_ROW mysql_row;
uint status = 0;
string query = "SELECT `value`, `value_type`, `condition`, `logic_condition` FROM `conditions` WHERE `event_id` = '" + inttostr(info.event_id) + "' ORDER BY `id`";
mysql_res = db_query(mysql, &info, query);
for (uint i = 0; i < mysql_num_rows(mysql_res); i++)
{
mysql_row = mysql_fetch_row(mysql_res);
if (i == 0)
{
status = process_condition(info, strtoint(mysql_row[0]), strtoint(mysql_row[1]), strtoint(mysql_row[2]));
}
else
{
switch (strtoint(mysql_row[3]))
{
case 0: status = status && process_condition(info, strtoint(mysql_row[0]), strtoint(mysql_row[1]), strtoint(mysql_row[2]));
break;
case 1: status = status || process_condition(info, strtoint(mysql_row[0]), strtoint(mysql_row[1]), strtoint(mysql_row[2]));
break;
}
}
}
mysql_free_result(mysql_res);
if (status == 0)
{
debuglogger(DEBUG_EVENT, LEVEL_INFO, &info, "Not Triggered.");
db_update(mysql, &info, "UPDATE events SET last_status=0 WHERE id=" + inttostr(info.event_id));
return 0;
}
else
{
debuglogger(DEBUG_EVENT, LEVEL_INFO, &info, "Triggered.");
// setup parameters for the response to use.
info.parameters.push_front(ValuePair("event_name", name));
info.parameters.push_front(ValuePair("situation", situations[situation]));
if ((uint) last_status != status)
{
db_update(mysql, &info, "UPDATE events SET last_triggered=UNIX_TIMESTAMP(NOW()), last_status=1 WHERE id=" + inttostr(info.event_id));
db_update(mysql, &info, "INSERT INTO event_log SET date=UNIX_TIMESTAMP(NOW()), time_since_last_change=UNIX_TIMESTAMP(NOW())-" + inttostr(last_triggered) + ", event_id=" + inttostr(info.event_id));
process_responses(info, mysql);
}
return 1;
}
} // end process_event()
uint process_condition(DeviceInfo info, long long int compare_value, int value_type, int condition)
{
long long int actual_value = 0;
switch (value_type)
{
case 0:
if (info.curr_val == "U")
return 0;
actual_value = strtoint(info.curr_val);
break;
case 1:
if (info.delta_val == "U")
return 0;
actual_value = strtoint(info.delta_val);
break;
case 2:
if (info.rate_val == "U")
return 0;
actual_value = strtoint(info.rate_val);
break;
case 3:
if (info.last_val == "U")
return 0;
actual_value = strtoint(info.last_val);
break;
}
switch (condition)
{
case 0: if (actual_value < compare_value)
return 1;
break;
case 1: if (actual_value == compare_value)
return 1;
break;
case 2: if (actual_value > compare_value)
return 1;
break;
case 3: if (actual_value <= compare_value)
return 1;
break;
case 4: if (actual_value != compare_value)
return 1;
break;
case 5: if (actual_value >= compare_value)
return 1;
break;
}
return 0;
} // end process_condition()
void process_responses(DeviceInfo info, MYSQL *mysql)
{
MYSQL_RES *mysql_res;
MYSQL_ROW mysql_row;
int notification_res;
string query = string("SELECT notifications.command, responses.parameters, responses.id ") +
string("FROM responses, notifications ") +
string("WHERE responses.event_id=") + inttostr(info.event_id) + " " +
string("AND responses.notification_id=notifications.id AND notifications.disabled = 0");
mysql_res = db_query(mysql, &info, query);
for (uint i = 0; i < mysql_num_rows(mysql_res); i++)
{
mysql_row = mysql_fetch_row(mysql_res);
info.response_id = strtoint(mysql_row[2]);
string command = string(mysql_row[0]) + " " + string(mysql_row[1]);
command = expand_parameters(info, command);
if (command[0] != '/')
command = get_setting(setPathLibexec) + "/" + command;
debuglogger(DEBUG_RESPONSE, LEVEL_INFO, &info, "Running Response: " + command);
notification_res = system(command.c_str());
}
} // end process_responses()
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