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ZrtpPacketConfirm.cxx

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00001 /*
00002   Copyright (C) 2006-2007 Werner Dittmann
00003 
00004   This program is free software: you can redistribute it and/or modify
00005   it under the terms of the GNU General Public License as published by
00006   the Free Software Foundation, either version 3 of the License, or
00007   (at your option) any later version.
00008 
00009   This program is distributed in the hope that it will be useful,
00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012   GNU General Public License for more details.
00013 
00014   You should have received a copy of the GNU General Public License
00015   along with this program.  If not, see <http://www.gnu.org/licenses/>.
00016 */
00017 
00018 /*
00019  * Authors: Werner Dittmann <Werner.Dittmann@t-online.de>
00020  */
00021 
00022 #include <libzrtpcpp/ZrtpPacketConfirm.h>
00023 
00024 ZrtpPacketConfirm::ZrtpPacketConfirm(uint8_t sl) {
00025     DEBUGOUT((fprintf(stdout, "Creating Confirm packet without data\n")));
00026 
00027     int32_t length = sizeof(ConfirmPacket_t) + (sl * ZRTP_WORD_SIZE) + CRC_SIZE;
00028 
00029     void* allocated = &data;
00030     memset(allocated, 0, length);
00031 
00032     zrtpHeader = (zrtpPacketHeader_t *)&((ConfirmPacket_t *)allocated)->hdr;    // the standard header
00033     confirmHeader = (Confirm_t *)&((ConfirmPacket_t *)allocated)->confirm;
00034 
00035     setZrtpId();
00036     setLength((length - CRC_SIZE) / 4);
00037 }
00038 
00039 ZrtpPacketConfirm::ZrtpPacketConfirm(uint8_t* data) {
00040     DEBUGOUT((fprintf(stdout, "Creating Confirm packet from data\n")));
00041 
00042     allocated = NULL;
00043     zrtpHeader = (zrtpPacketHeader_t *)&((ConfirmPacket_t *)data)->hdr; // the standard header
00044     confirmHeader = (Confirm_t *)&((ConfirmPacket_t *)data)->confirm;
00045 }
00046 
00047 ZrtpPacketConfirm::~ZrtpPacketConfirm() {
00048     DEBUGOUT((fprintf(stdout, "Deleting Confirm packet: alloc: %x\n", allocated)));
00049 }

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