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/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "uhub.h"
void flood_control_reset(struct flood_control* data)
{
memset(data, 0, sizeof(struct flood_control));
}
int flood_control_check(struct flood_control* data, size_t max_count, size_t time_delay, time_t now)
{
// Is flood control disabled?
if (!time_delay || !max_count)
return 0;
if (!data->time)
{
data->time = now;
data->count = 0;
return 0;
}
if ((now - data->time) > time_delay)
{
data->time = now;
data->count = 0;
return 0;
}
if (data->count <= max_count)
{
data->count++;
return 0;
}
return 1;
}
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