Annotation of embedaddon/strongswan/src/libcharon/sa/task_manager.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2011 Tobias Brunner
! 3: * HSR Hochschule fuer Technik Rapperswil
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: #include "task_manager.h"
! 17:
! 18: #include <math.h>
! 19: #include <sa/ikev1/task_manager_v1.h>
! 20: #include <sa/ikev2/task_manager_v2.h>
! 21:
! 22: /*
! 23: * See header
! 24: */
! 25: u_int task_manager_total_retransmit_timeout()
! 26: {
! 27: double timeout, base, limit = 0, total = 0;
! 28: int tries, i;
! 29:
! 30: tries = lib->settings->get_int(lib->settings, "%s.retransmit_tries",
! 31: RETRANSMIT_TRIES, lib->ns);
! 32: base = lib->settings->get_double(lib->settings, "%s.retransmit_base",
! 33: RETRANSMIT_BASE, lib->ns);
! 34: timeout = lib->settings->get_double(lib->settings, "%s.retransmit_timeout",
! 35: RETRANSMIT_TIMEOUT, lib->ns);
! 36: limit = lib->settings->get_double(lib->settings, "%s.retransmit_limit",
! 37: 0, lib->ns);
! 38:
! 39: for (i = 0; i <= tries; i++)
! 40: {
! 41: double interval = timeout * pow(base, i);
! 42: if (limit)
! 43: {
! 44: interval = min(interval, limit);
! 45: }
! 46: total += interval;
! 47: }
! 48: return (u_int)total;
! 49: }
! 50:
! 51: /*
! 52: * See header
! 53: */
! 54: task_manager_t *task_manager_create(ike_sa_t *ike_sa)
! 55: {
! 56: switch (ike_sa->get_version(ike_sa))
! 57: {
! 58: case IKEV1:
! 59: #ifdef USE_IKEV1
! 60: return &task_manager_v1_create(ike_sa)->task_manager;
! 61: #endif
! 62: break;
! 63: case IKEV2:
! 64: #ifdef USE_IKEV2
! 65: return &task_manager_v2_create(ike_sa)->task_manager;
! 66: #endif
! 67: break;
! 68: default:
! 69: break;
! 70: }
! 71: return NULL;
! 72: }
! 73:
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