Austin Blackstone / Mbed 2 deprecated mbed-client-classic-example-lwip

mbed client on ethernet with LWIP

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by sandbox

mbed-client/source/include/m2mtlvdeserializer.h@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

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mbedAustin 11:cada08fc8a70 1 /*
mbedAustin 11:cada08fc8a70 2 * Copyright (c) 2015 ARM Limited. All rights reserved.
mbedAustin 11:cada08fc8a70 3 * SPDX-License-Identifier: Apache-2.0
mbedAustin 11:cada08fc8a70 4 * Licensed under the Apache License, Version 2.0 (the License); you may
mbedAustin 11:cada08fc8a70 5 * not use this file except in compliance with the License.
mbedAustin 11:cada08fc8a70 6 * You may obtain a copy of the License at
mbedAustin 11:cada08fc8a70 7 *
mbedAustin 11:cada08fc8a70 8 * http://www.apache.org/licenses/LICENSE-2.0
mbedAustin 11:cada08fc8a70 9 *
mbedAustin 11:cada08fc8a70 10 * Unless required by applicable law or agreed to in writing, software
mbedAustin 11:cada08fc8a70 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
mbedAustin 11:cada08fc8a70 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbedAustin 11:cada08fc8a70 13 * See the License for the specific language governing permissions and
mbedAustin 11:cada08fc8a70 14 * limitations under the License.
mbedAustin 11:cada08fc8a70 15 */
mbedAustin 11:cada08fc8a70 16 #include "mbed-client/m2mvector.h"
mbedAustin 11:cada08fc8a70 17 #include "mbed-client/m2mobject.h"
mbedAustin 11:cada08fc8a70 18 #include "mbed-client/m2mobjectinstance.h"
mbedAustin 11:cada08fc8a70 19 #include "mbed-client/m2mresource.h"
mbedAustin 11:cada08fc8a70 20
mbedAustin 11:cada08fc8a70 21 /**
mbedAustin 11:cada08fc8a70 22 * @brief M2MTLVDeserializer
mbedAustin 11:cada08fc8a70 23 * TLV Deserialiser get the object instances and resources as binary data and
mbedAustin 11:cada08fc8a70 24 * builds the <code>lwm2m</code> representation from it. See OMA-LWM2M
mbedAustin 11:cada08fc8a70 25 * specification, chapter 6.1 for the resource model and chapter 6.3.3 for
mbedAustin 11:cada08fc8a70 26 * the OMA-TLV specification.
mbedAustin 11:cada08fc8a70 27 */
mbedAustin 11:cada08fc8a70 28 class M2MTLVDeserializer {
mbedAustin 11:cada08fc8a70 29
mbedAustin 11:cada08fc8a70 30 public :
mbedAustin 11:cada08fc8a70 31
mbedAustin 11:cada08fc8a70 32 typedef enum {
mbedAustin 11:cada08fc8a70 33 None,
mbedAustin 11:cada08fc8a70 34 NotFound,
mbedAustin 11:cada08fc8a70 35 NotAllowed,
mbedAustin 11:cada08fc8a70 36 NotValid
mbedAustin 11:cada08fc8a70 37 } Error;
mbedAustin 11:cada08fc8a70 38
mbedAustin 11:cada08fc8a70 39 typedef enum {
mbedAustin 11:cada08fc8a70 40 Put,
mbedAustin 11:cada08fc8a70 41 Post
mbedAustin 11:cada08fc8a70 42 } Operation;
mbedAustin 11:cada08fc8a70 43
mbedAustin 11:cada08fc8a70 44
mbedAustin 11:cada08fc8a70 45 /**
mbedAustin 11:cada08fc8a70 46 * Constructor.
mbedAustin 11:cada08fc8a70 47 */
mbedAustin 11:cada08fc8a70 48 M2MTLVDeserializer();
mbedAustin 11:cada08fc8a70 49
mbedAustin 11:cada08fc8a70 50 /**
mbedAustin 11:cada08fc8a70 51 * Destructor.
mbedAustin 11:cada08fc8a70 52 */
mbedAustin 11:cada08fc8a70 53 virtual ~M2MTLVDeserializer();
mbedAustin 11:cada08fc8a70 54
mbedAustin 11:cada08fc8a70 55 /**
mbedAustin 11:cada08fc8a70 56 * This method checks whether the given binary encodes an object instance
mbedAustin 11:cada08fc8a70 57 * or something else. It returns <code>true</code> if bits 7-6 of the first
mbedAustin 11:cada08fc8a70 58 * byte is "00".
mbedAustin 11:cada08fc8a70 59 * @param tlv Binary to be checked as LWM2M object instance
mbedAustin 11:cada08fc8a70 60 * @return <code>true</code> or <code>false</code>.
mbedAustin 11:cada08fc8a70 61 */
mbedAustin 11:cada08fc8a70 62 bool is_object_instance(uint8_t *tlv);
mbedAustin 11:cada08fc8a70 63
mbedAustin 11:cada08fc8a70 64
mbedAustin 11:cada08fc8a70 65 /**
mbedAustin 11:cada08fc8a70 66 * This method checks whether the given binary encodes a resource or
mbedAustin 11:cada08fc8a70 67 * something else. It returns <code>true</code> if bits 7-6 of the first
mbedAustin 11:cada08fc8a70 68 * byte is "11".
mbedAustin 11:cada08fc8a70 69 * @param tlv Binary to be checked as LWM2M resource.
mbedAustin 11:cada08fc8a70 70 * @return <code>true</code> or <code>false</code>.
mbedAustin 11:cada08fc8a70 71 */
mbedAustin 11:cada08fc8a70 72 bool is_resource(uint8_t *tlv);
mbedAustin 11:cada08fc8a70 73
mbedAustin 11:cada08fc8a70 74 /**
mbedAustin 11:cada08fc8a70 75 * This method checks whether the given binary encodes a multiple resource
mbedAustin 11:cada08fc8a70 76 * or something else. It returns <code>true</code> if bits 7-6 of the first
mbedAustin 11:cada08fc8a70 77 * byte is "10".
mbedAustin 11:cada08fc8a70 78 * @param tlv Binary to be checked as LWM2M multiple resource.
mbedAustin 11:cada08fc8a70 79 * @return <code>true</code> or <code>false</code>.
mbedAustin 11:cada08fc8a70 80 */
mbedAustin 11:cada08fc8a70 81 bool is_multiple_resource(uint8_t *tlv);
mbedAustin 11:cada08fc8a70 82
mbedAustin 11:cada08fc8a70 83 /**
mbedAustin 11:cada08fc8a70 84 * This method checks whether the given binary encodes a resource instance
mbedAustin 11:cada08fc8a70 85 * or something else. It returns <code>true</code> if bits 7-6 of the first
mbedAustin 11:cada08fc8a70 86 * byte is "01".
mbedAustin 11:cada08fc8a70 87 * @param tlv Binary to be checked as LWM2M resource instance.
mbedAustin 11:cada08fc8a70 88 * @return <code>true</code> or <code>false</code>.
mbedAustin 11:cada08fc8a70 89 */
mbedAustin 11:cada08fc8a70 90 bool is_resource_instance(uint8_t *tlv);
mbedAustin 11:cada08fc8a70 91
mbedAustin 11:cada08fc8a70 92 /**
mbedAustin 11:cada08fc8a70 93 * Deserialises the given binary that must encode object instances. Binary
mbedAustin 11:cada08fc8a70 94 * array can be checked before invoking this method with
mbedAustin 11:cada08fc8a70 95 */
mbedAustin 11:cada08fc8a70 96 M2MTLVDeserializer::Error deserialise_object_instances(uint8_t* tlv,
mbedAustin 11:cada08fc8a70 97 uint32_t tlv_size,
mbedAustin 11:cada08fc8a70 98 M2MObject &object,
mbedAustin 11:cada08fc8a70 99 M2MTLVDeserializer::Operation operation);
mbedAustin 11:cada08fc8a70 100
mbedAustin 11:cada08fc8a70 101 /**
mbedAustin 11:cada08fc8a70 102 * Deserialises the given binary that must encode resources. Binary array
mbedAustin 11:cada08fc8a70 103 * can be checked before invoking this method.
mbedAustin 11:cada08fc8a70 104 */
mbedAustin 11:cada08fc8a70 105 M2MTLVDeserializer::Error deserialize_resources(uint8_t *tlv,
mbedAustin 11:cada08fc8a70 106 uint32_t tlv_size,
mbedAustin 11:cada08fc8a70 107 M2MObjectInstance &object_instance,
mbedAustin 11:cada08fc8a70 108 M2MTLVDeserializer::Operation operation);
mbedAustin 11:cada08fc8a70 109
mbedAustin 11:cada08fc8a70 110 /**
mbedAustin 11:cada08fc8a70 111 * Deserialises the given binary that must encode resource instances. Binary array
mbedAustin 11:cada08fc8a70 112 * can be checked before invoking this method.
mbedAustin 11:cada08fc8a70 113 */
mbedAustin 11:cada08fc8a70 114 M2MTLVDeserializer::Error deserialize_resource_instances(uint8_t *tlv,
mbedAustin 11:cada08fc8a70 115 uint32_t tlv_size,
mbedAustin 11:cada08fc8a70 116 M2MResource &resource,
mbedAustin 11:cada08fc8a70 117 M2MTLVDeserializer::Operation operation);
mbedAustin 11:cada08fc8a70 118 /**
mbedAustin 11:cada08fc8a70 119 * This method return object instance id or resource id.
mbedAustin 11:cada08fc8a70 120 * @param tlv Binary to be checked
mbedAustin 11:cada08fc8a70 121 * @return Object instance id or resource id.
mbedAustin 11:cada08fc8a70 122 */
mbedAustin 11:cada08fc8a70 123 uint16_t instance_id(uint8_t *tlv);
mbedAustin 11:cada08fc8a70 124
mbedAustin 11:cada08fc8a70 125 private:
mbedAustin 11:cada08fc8a70 126
mbedAustin 11:cada08fc8a70 127 M2MTLVDeserializer::Error deserialize_object_instances(uint8_t *tlv,
mbedAustin 11:cada08fc8a70 128 uint32_t tlv_size,
mbedAustin 11:cada08fc8a70 129 uint32_t offset,
mbedAustin 11:cada08fc8a70 130 M2MObject &object,
mbedAustin 11:cada08fc8a70 131 M2MTLVDeserializer::Operation operation,
mbedAustin 11:cada08fc8a70 132 bool update_value);
mbedAustin 11:cada08fc8a70 133
mbedAustin 11:cada08fc8a70 134 M2MTLVDeserializer::Error deserialize_resources(uint8_t *tlv,
mbedAustin 11:cada08fc8a70 135 uint32_t tlv_size,
mbedAustin 11:cada08fc8a70 136 uint32_t offset,
mbedAustin 11:cada08fc8a70 137 M2MObjectInstance &object_instance,
mbedAustin 11:cada08fc8a70 138 M2MTLVDeserializer::Operation operation,
mbedAustin 11:cada08fc8a70 139 bool update_value);
mbedAustin 11:cada08fc8a70 140
mbedAustin 11:cada08fc8a70 141 M2MTLVDeserializer::Error deserialize_resource_instances(uint8_t *tlv,
mbedAustin 11:cada08fc8a70 142 uint32_t tlv_size,
mbedAustin 11:cada08fc8a70 143 uint32_t offset,
mbedAustin 11:cada08fc8a70 144 M2MResource &resource,
mbedAustin 11:cada08fc8a70 145 M2MObjectInstance &object_instance,
mbedAustin 11:cada08fc8a70 146 M2MTLVDeserializer::Operation operation,
mbedAustin 11:cada08fc8a70 147 bool update_value);
mbedAustin 11:cada08fc8a70 148
mbedAustin 11:cada08fc8a70 149 M2MTLVDeserializer::Error deserialize_resource_instances(uint8_t *tlv,
mbedAustin 11:cada08fc8a70 150 uint32_t tlv_size,
mbedAustin 11:cada08fc8a70 151 uint32_t offset,
mbedAustin 11:cada08fc8a70 152 M2MResource &resource,
mbedAustin 11:cada08fc8a70 153 M2MTLVDeserializer::Operation operation,
mbedAustin 11:cada08fc8a70 154 bool update_value);
mbedAustin 11:cada08fc8a70 155
mbedAustin 11:cada08fc8a70 156 bool is_object_instance(uint8_t *tlv, uint32_t offset);
mbedAustin 11:cada08fc8a70 157
mbedAustin 11:cada08fc8a70 158 bool is_resource(uint8_t *tlv, uint32_t offset);
mbedAustin 11:cada08fc8a70 159
mbedAustin 11:cada08fc8a70 160 bool is_multiple_resource(uint8_t *tlv, uint32_t offset);
mbedAustin 11:cada08fc8a70 161
mbedAustin 11:cada08fc8a70 162 bool is_resource_instance(uint8_t *tlv, uint32_t offset);
mbedAustin 11:cada08fc8a70 163 };
mbedAustin 11:cada08fc8a70 164
mbedAustin 11:cada08fc8a70 165 class TypeIdLength {
mbedAustin 11:cada08fc8a70 166
mbedAustin 11:cada08fc8a70 167 public:
mbedAustin 11:cada08fc8a70 168
mbedAustin 11:cada08fc8a70 169 static TypeIdLength* createTypeIdLength(uint8_t *tlv, uint32_t offset);
mbedAustin 11:cada08fc8a70 170
mbedAustin 11:cada08fc8a70 171 TypeIdLength* deserialize();
mbedAustin 11:cada08fc8a70 172
mbedAustin 11:cada08fc8a70 173 void deserialiseID (uint32_t idLength);
mbedAustin 11:cada08fc8a70 174
mbedAustin 11:cada08fc8a70 175 void deserialiseLength (uint32_t lengthType);
mbedAustin 11:cada08fc8a70 176
mbedAustin 11:cada08fc8a70 177 uint8_t *_tlv;
mbedAustin 11:cada08fc8a70 178 uint32_t _offset;
mbedAustin 11:cada08fc8a70 179 uint32_t _type;
mbedAustin 11:cada08fc8a70 180 uint16_t _id;
mbedAustin 11:cada08fc8a70 181 uint32_t _length;
mbedAustin 11:cada08fc8a70 182
mbedAustin 11:cada08fc8a70 183 friend class Test_M2MTLVDeserializer;
mbedAustin 11:cada08fc8a70 184 };