ntopng/src/Recipients.cpp
2020-09-15 18:05:56 +02:00

124 lines
3 KiB
C++

/*
*
* (C) 2013-20 - 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"
/* *************************************** */
Recipients::Recipients() {
memset(&recipient_queues, 0, sizeof(recipient_queues));
}
/* *************************************** */
Recipients::~Recipients() {
for(int i = 0; i < MAX_NUM_RECIPIENTS; i++) {
if(recipient_queues[i])
delete recipient_queues[i];
}
}
/* *************************************** */
char* Recipients::dequeue(u_int16_t recipient_id, RecipientNotificationPriority prio) {
char * res = NULL;
if(recipient_id >= MAX_NUM_RECIPIENTS)
return NULL;
m.lock(__FILE__, __LINE__);
if(recipient_queues[recipient_id]) {
/*
Dequeue the notification for a given priority
*/
res = recipient_queues[recipient_id]->dequeue(prio);
}
m.unlock(__FILE__, __LINE__);
return res;
}
/* *************************************** */
bool Recipients::enqueue(u_int16_t recipient_id, RecipientNotificationPriority prio, const char * const notification) {
bool res = false;
if(recipient_id >= MAX_NUM_RECIPIENTS)
return false;
m.lock(__FILE__, __LINE__);
/*
Perform the actual enqueue for the given priority
*/
if(recipient_queues[recipient_id])
res = recipient_queues[recipient_id]->enqueue(prio, notification);
m.unlock(__FILE__, __LINE__);
return res;
}
/* *************************************** */
void Recipients::register_recipient(u_int16_t recipient_id) {
if(recipient_id >= MAX_NUM_RECIPIENTS)
return;
m.lock(__FILE__, __LINE__);
if(!recipient_queues[recipient_id])
recipient_queues[recipient_id] = new (nothrow) RecipientQueues();
m.unlock(__FILE__, __LINE__);
}
/* *************************************** */
void Recipients::delete_recipient(u_int16_t recipient_id) {
if(recipient_id >= MAX_NUM_RECIPIENTS)
return;
m.lock(__FILE__, __LINE__);
if(recipient_queues[recipient_id]) {
delete recipient_queues[recipient_id];
recipient_queues[recipient_id] = NULL;
}
m.unlock(__FILE__, __LINE__);
}
/* *************************************** */
void Recipients::lua(u_int16_t recipient_id, lua_State* vm) {
if(recipient_id >= MAX_NUM_RECIPIENTS)
return;
m.lock(__FILE__, __LINE__);
if(recipient_queues[recipient_id])
recipient_queues[recipient_id]->lua(vm);
m.unlock(__FILE__, __LINE__);
}