mirror of
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68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/*
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*
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* (C) 2014-20 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _RECIPIENT_QUEUES_
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#define _RECIPIENT_QUEUES_
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#include "ntop_includes.h"
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class RecipientQueues {
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private:
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FifoStringsQueue *queues_by_prio[RECIPIENT_NOTIFICATION_MAX_NUM_PRIORITIES];
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/* Counters for the number of drops occurred when enqueuing */
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u_int64_t drops_by_prio[RECIPIENT_NOTIFICATION_MAX_NUM_PRIORITIES];
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/* Counters for the number of enqueues */
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time_t uses_by_prio[RECIPIENT_NOTIFICATION_MAX_NUM_PRIORITIES];
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/* Timestamp of the last dequeue, regardless of queue priority */
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time_t last_use;
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public:
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RecipientQueues();
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~RecipientQueues();
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/**
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* @brief Dequeues a notification from a `recipient_id` queue, given a certain priority
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* @param prio The priority of the notification
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*
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* @return A pointer to a notification string, or NULL if there was no notification in the queue. The pointer MUST be `free`d after use
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*/
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char *dequeue(RecipientNotificationPriority prio);
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/**
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* @brief Enqueues a notification to a `recipient_id` queue, depending on the priority
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* @param recipient_id An integer recipient identifier
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* @param prio The priority of the notification
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* @param notification A string containing the notification
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*
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* @return True if the enqueue succeeded, false otherwise
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*/
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bool enqueue(RecipientNotificationPriority prio, const char * const notification);
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/**
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* @brief Returns queue status (drops and uses)
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* @param vm A Lua VM instance
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*
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* @return
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*/
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void lua(lua_State* vm);
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};
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#endif /* _RECIPIENT_QUEUES_ */
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