48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2014, Jan Vidar Krey
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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, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifndef HAVE_UHUB_FLOOD_CTL_H
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#define HAVE_UHUB_FLOOD_CTL_H
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struct flood_control
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{
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time_t time;
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size_t count;
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};
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/**
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* Reset flood control statistics
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*/
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void flood_control_reset(struct flood_control*);
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/**
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* @param ctl Flood control data structure
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* @param max_count Max count for flood control
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* @param window Time window for max_count to appear.
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* @param now The current time.
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*
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* @return 0 if flood no flood detected.
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* 1 if flood detected.
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*/
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int flood_control_check(struct flood_control* ctl, size_t max_count, size_t window, time_t now);
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#endif /* HAVE_UHUB_FLOOD_CTL_H */
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