Duy tran / RecordType

CUSTOMIZED FOR WATER MONITOR

RecordAAR.cpp@0:51d7bdf88981, 2017-12-07 (annotated)

Committer:
DuyLionTran
Date:
Thu Dec 07 17:07:22 2017 +0000
Revision:
0:51d7bdf88981
CUSTOMIZED FOR WATER MONITOR

Who changed what in which revision?

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DuyLionTran 0:51d7bdf88981 1 /**
DuyLionTran 0:51d7bdf88981 2 ******************************************************************************
DuyLionTran 0:51d7bdf88981 3 * @file RecordAAR.cpp
DuyLionTran 0:51d7bdf88981 4 * @author ST / Central Labs
DuyLionTran 0:51d7bdf88981 5 * @version V2.0.0
DuyLionTran 0:51d7bdf88981 6 * @date 28 Apr 2017
DuyLionTran 0:51d7bdf88981 7 * @brief RecordAAR implementation.
DuyLionTran 0:51d7bdf88981 8 ******************************************************************************
DuyLionTran 0:51d7bdf88981 9 * @attention
DuyLionTran 0:51d7bdf88981 10 *
DuyLionTran 0:51d7bdf88981 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
DuyLionTran 0:51d7bdf88981 12 *
DuyLionTran 0:51d7bdf88981 13 * Redistribution and use in source and binary forms, with or without modification,
DuyLionTran 0:51d7bdf88981 14 * are permitted provided that the following conditions are met:
DuyLionTran 0:51d7bdf88981 15 * 1. Redistributions of source code must retain the above copyright notice,
DuyLionTran 0:51d7bdf88981 16 * this list of conditions and the following disclaimer.
DuyLionTran 0:51d7bdf88981 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
DuyLionTran 0:51d7bdf88981 18 * this list of conditions and the following disclaimer in the documentation
DuyLionTran 0:51d7bdf88981 19 * and/or other materials provided with the distribution.
DuyLionTran 0:51d7bdf88981 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
DuyLionTran 0:51d7bdf88981 21 * may be used to endorse or promote products derived from this software
DuyLionTran 0:51d7bdf88981 22 * without specific prior written permission.
DuyLionTran 0:51d7bdf88981 23 *
DuyLionTran 0:51d7bdf88981 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
DuyLionTran 0:51d7bdf88981 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
DuyLionTran 0:51d7bdf88981 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DuyLionTran 0:51d7bdf88981 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
DuyLionTran 0:51d7bdf88981 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DuyLionTran 0:51d7bdf88981 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
DuyLionTran 0:51d7bdf88981 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
DuyLionTran 0:51d7bdf88981 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
DuyLionTran 0:51d7bdf88981 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
DuyLionTran 0:51d7bdf88981 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
DuyLionTran 0:51d7bdf88981 34 *
DuyLionTran 0:51d7bdf88981 35 ******************************************************************************
DuyLionTran 0:51d7bdf88981 36 */
DuyLionTran 0:51d7bdf88981 37 #include <cstring>
DuyLionTran 0:51d7bdf88981 38 #include "RecordAAR.h"
DuyLionTran 0:51d7bdf88981 39
DuyLionTran 0:51d7bdf88981 40 namespace NDefLib {
DuyLionTran 0:51d7bdf88981 41
DuyLionTran 0:51d7bdf88981 42 const char RecordAAR::sRecordType[] = { 'a', 'n', 'd', 'r', 'o', 'i', 'd', '.',
DuyLionTran 0:51d7bdf88981 43 'c', 'o', 'm', ':', 'p', 'k', 'g' };
DuyLionTran 0:51d7bdf88981 44
DuyLionTran 0:51d7bdf88981 45 RecordAAR::RecordAAR(const std::string &packageName) :
DuyLionTran 0:51d7bdf88981 46 mPackageName(packageName) {
DuyLionTran 0:51d7bdf88981 47 mRecordHeader.set_FNT(RecordHeader::NFC_external);
DuyLionTran 0:51d7bdf88981 48 mRecordHeader.set_type_length(sizeof(sRecordType));
DuyLionTran 0:51d7bdf88981 49 mRecordHeader.set_payload_length(mPackageName.size());
DuyLionTran 0:51d7bdf88981 50
DuyLionTran 0:51d7bdf88981 51 }
DuyLionTran 0:51d7bdf88981 52
DuyLionTran 0:51d7bdf88981 53 uint16_t RecordAAR::write(uint8_t *buffer) {
DuyLionTran 0:51d7bdf88981 54 uint16_t offset = 0;
DuyLionTran 0:51d7bdf88981 55 offset += mRecordHeader.write_header(buffer);
DuyLionTran 0:51d7bdf88981 56 std::memcpy(buffer + offset, sRecordType, sizeof(sRecordType));
DuyLionTran 0:51d7bdf88981 57 offset += sizeof(sRecordType);
DuyLionTran 0:51d7bdf88981 58 std::memcpy(buffer + offset, mPackageName.c_str(), mPackageName.size());
DuyLionTran 0:51d7bdf88981 59 offset += mPackageName.size();
DuyLionTran 0:51d7bdf88981 60 return offset;
DuyLionTran 0:51d7bdf88981 61 }
DuyLionTran 0:51d7bdf88981 62
DuyLionTran 0:51d7bdf88981 63 RecordAAR* RecordAAR::parse(const RecordHeader &header,
DuyLionTran 0:51d7bdf88981 64 const uint8_t *buffer) {
DuyLionTran 0:51d7bdf88981 65 uint8_t offset = 0;
DuyLionTran 0:51d7bdf88981 66 if ((header.get_FNT() != RecordHeader::NFC_external)
DuyLionTran 0:51d7bdf88981 67 && (header.get_type_length() != sizeof(sRecordType))) {
DuyLionTran 0:51d7bdf88981 68 return NULL;
DuyLionTran 0:51d7bdf88981 69 } //else
DuyLionTran 0:51d7bdf88981 70
DuyLionTran 0:51d7bdf88981 71 if (std::memcmp(buffer + offset, sRecordType, sizeof(sRecordType)) != 0) {
DuyLionTran 0:51d7bdf88981 72 return NULL;
DuyLionTran 0:51d7bdf88981 73 } //else tagType == android.com:pkg
DuyLionTran 0:51d7bdf88981 74
DuyLionTran 0:51d7bdf88981 75 offset += sizeof(sRecordType);
DuyLionTran 0:51d7bdf88981 76
DuyLionTran 0:51d7bdf88981 77 return new RecordAAR(
DuyLionTran 0:51d7bdf88981 78 std::string((const char*) buffer + offset,
DuyLionTran 0:51d7bdf88981 79 header.get_payload_length()));
DuyLionTran 0:51d7bdf88981 80 }
DuyLionTran 0:51d7bdf88981 81
DuyLionTran 0:51d7bdf88981 82 } /* namespace NDefLib */