mirror of
https://github.com/OpenVPN/openvpn.git
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564a21094e
git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@5599 e7ae566f-a301-0410-adde-c780ea21d3b5
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
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* OpenVPN -- An application to securely tunnel IP networks
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* over a single UDP port, with support for SSL/TLS-based
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* session authentication and key exchange,
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* packet encryption, packet authentication, and
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* packet compression.
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*
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* Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
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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 version 2
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* as published by the Free Software Foundation.
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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 (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "syshead.h"
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#include "shaper.h"
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#include "memdbg.h"
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#ifdef HAVE_GETTIMEOFDAY
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/*
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* We want to wake up in delay microseconds. If timeval is larger
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* than delay, set timeval to delay.
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*/
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bool
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shaper_soonest_event (struct timeval *tv, int delay)
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{
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bool ret = false;
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if (delay < 1000000)
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{
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if (tv->tv_sec)
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{
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tv->tv_sec = 0;
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tv->tv_usec = delay;
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ret = true;
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}
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else if (delay < tv->tv_usec)
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{
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tv->tv_usec = delay;
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ret = true;
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}
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}
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else
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{
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const int sec = delay / 1000000;
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const int usec = delay % 1000000;
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if (sec < tv->tv_sec)
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{
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tv->tv_sec = sec;
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tv->tv_usec = usec;
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ret = true;
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}
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else if (sec == tv->tv_sec)
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{
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if (usec < tv->tv_usec)
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{
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tv->tv_usec = usec;
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ret = true;
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}
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}
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}
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#ifdef SHAPER_DEBUG
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dmsg (D_SHAPER_DEBUG, "SHAPER shaper_soonest_event sec=%d usec=%d ret=%d",
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(int)tv->tv_sec, (int)tv->tv_usec, (int)ret);
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#endif
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return ret;
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}
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void
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shaper_reset_wakeup (struct shaper *s)
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{
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CLEAR (s->wakeup);
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}
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void
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shaper_msg (struct shaper *s)
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{
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msg (M_INFO, "Output Traffic Shaping initialized at %d bytes per second",
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s->bytes_per_second);
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}
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#else
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static void dummy(void) {}
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#endif /* HAVE_GETTIMEOFDAY */
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