Ram Gandikota / Mbed OS ABCD

A metronome using the FRDM K64F board

mbed-client/source/m2mtlvdeserializer.cpp@0:a7a43371b306, 2017-05-14 (annotated)

Committer:
ram54288
Date:
Sun May 14 18:40:18 2017 +0000
Revision:
0:a7a43371b306
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ram54288 0:a7a43371b306 1 /*
ram54288 0:a7a43371b306 2 * Copyright (c) 2015 ARM Limited. All rights reserved.
ram54288 0:a7a43371b306 3 * SPDX-License-Identifier: Apache-2.0
ram54288 0:a7a43371b306 4 * Licensed under the Apache License, Version 2.0 (the License); you may
ram54288 0:a7a43371b306 5 * not use this file except in compliance with the License.
ram54288 0:a7a43371b306 6 * You may obtain a copy of the License at
ram54288 0:a7a43371b306 7 *
ram54288 0:a7a43371b306 8 * http://www.apache.org/licenses/LICENSE-2.0
ram54288 0:a7a43371b306 9 *
ram54288 0:a7a43371b306 10 * Unless required by applicable law or agreed to in writing, software
ram54288 0:a7a43371b306 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
ram54288 0:a7a43371b306 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ram54288 0:a7a43371b306 13 * See the License for the specific language governing permissions and
ram54288 0:a7a43371b306 14 * limitations under the License.
ram54288 0:a7a43371b306 15 */
ram54288 0:a7a43371b306 16 #include "include/m2mtlvdeserializer.h"
ram54288 0:a7a43371b306 17 #include "mbed-client/m2mconstants.h"
ram54288 0:a7a43371b306 18 #include "include/nsdllinker.h"
ram54288 0:a7a43371b306 19 #include "mbed-trace/mbed_trace.h"
ram54288 0:a7a43371b306 20
ram54288 0:a7a43371b306 21 #define TRACE_GROUP "mClt"
ram54288 0:a7a43371b306 22 #define BUFFER_SIZE 10
ram54288 0:a7a43371b306 23
ram54288 0:a7a43371b306 24 M2MTLVDeserializer::M2MTLVDeserializer()
ram54288 0:a7a43371b306 25 {
ram54288 0:a7a43371b306 26 }
ram54288 0:a7a43371b306 27
ram54288 0:a7a43371b306 28 M2MTLVDeserializer::~M2MTLVDeserializer()
ram54288 0:a7a43371b306 29 {
ram54288 0:a7a43371b306 30 }
ram54288 0:a7a43371b306 31
ram54288 0:a7a43371b306 32 bool M2MTLVDeserializer::is_object_instance(uint8_t *tlv)
ram54288 0:a7a43371b306 33 {
ram54288 0:a7a43371b306 34 return is_object_instance(tlv, 0);
ram54288 0:a7a43371b306 35 }
ram54288 0:a7a43371b306 36
ram54288 0:a7a43371b306 37 bool M2MTLVDeserializer::is_resource(uint8_t *tlv)
ram54288 0:a7a43371b306 38 {
ram54288 0:a7a43371b306 39 return is_resource(tlv, 0);
ram54288 0:a7a43371b306 40 }
ram54288 0:a7a43371b306 41
ram54288 0:a7a43371b306 42 bool M2MTLVDeserializer::is_multiple_resource(uint8_t *tlv)
ram54288 0:a7a43371b306 43 {
ram54288 0:a7a43371b306 44 return is_multiple_resource(tlv, 0);
ram54288 0:a7a43371b306 45 }
ram54288 0:a7a43371b306 46
ram54288 0:a7a43371b306 47 bool M2MTLVDeserializer::is_resource_instance(uint8_t *tlv)
ram54288 0:a7a43371b306 48 {
ram54288 0:a7a43371b306 49 return is_resource_instance(tlv, 0);
ram54288 0:a7a43371b306 50 }
ram54288 0:a7a43371b306 51
ram54288 0:a7a43371b306 52 M2MTLVDeserializer::Error M2MTLVDeserializer::deserialise_object_instances(uint8_t* tlv,
ram54288 0:a7a43371b306 53 uint32_t tlv_size,
ram54288 0:a7a43371b306 54 M2MObject &object,
ram54288 0:a7a43371b306 55 M2MTLVDeserializer::Operation operation)
ram54288 0:a7a43371b306 56 {
ram54288 0:a7a43371b306 57 M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
ram54288 0:a7a43371b306 58 if (is_object_instance(tlv) ) {
ram54288 0:a7a43371b306 59 tr_debug("M2MTLVDeserializer::deserialise_object_instances");
ram54288 0:a7a43371b306 60 error = deserialize_object_instances(tlv, tlv_size, 0, object,operation,false);
ram54288 0:a7a43371b306 61 if(M2MTLVDeserializer::None == error) {
ram54288 0:a7a43371b306 62 error = deserialize_object_instances(tlv, tlv_size, 0, object,operation,true);
ram54288 0:a7a43371b306 63 }
ram54288 0:a7a43371b306 64 } else {
ram54288 0:a7a43371b306 65 tr_debug("M2MTLVDeserializer::deserialise_object_instances ::NotValid");
ram54288 0:a7a43371b306 66 error = M2MTLVDeserializer::NotValid;
ram54288 0:a7a43371b306 67 }
ram54288 0:a7a43371b306 68 return error;
ram54288 0:a7a43371b306 69 }
ram54288 0:a7a43371b306 70
ram54288 0:a7a43371b306 71 M2MTLVDeserializer::Error M2MTLVDeserializer::deserialize_resources(uint8_t *tlv,
ram54288 0:a7a43371b306 72 uint32_t tlv_size,
ram54288 0:a7a43371b306 73 M2MObjectInstance &object_instance,
ram54288 0:a7a43371b306 74 M2MTLVDeserializer::Operation operation)
ram54288 0:a7a43371b306 75 {
ram54288 0:a7a43371b306 76 M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
ram54288 0:a7a43371b306 77 if (!is_resource(tlv) && !is_multiple_resource(tlv)) {
ram54288 0:a7a43371b306 78 error = M2MTLVDeserializer::NotValid;
ram54288 0:a7a43371b306 79 } else {
ram54288 0:a7a43371b306 80 error = deserialize_resources(tlv, tlv_size, 0, object_instance, operation,false);
ram54288 0:a7a43371b306 81 if(M2MTLVDeserializer::None == error) {
ram54288 0:a7a43371b306 82 error = deserialize_resources(tlv, tlv_size, 0, object_instance, operation,true);
ram54288 0:a7a43371b306 83 }
ram54288 0:a7a43371b306 84 }
ram54288 0:a7a43371b306 85 return error;
ram54288 0:a7a43371b306 86 }
ram54288 0:a7a43371b306 87
ram54288 0:a7a43371b306 88 M2MTLVDeserializer::Error M2MTLVDeserializer::deserialize_resource_instances(uint8_t *tlv,
ram54288 0:a7a43371b306 89 uint32_t tlv_size,
ram54288 0:a7a43371b306 90 M2MResource &resource,
ram54288 0:a7a43371b306 91 M2MTLVDeserializer::Operation operation)
ram54288 0:a7a43371b306 92 {
ram54288 0:a7a43371b306 93 M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
ram54288 0:a7a43371b306 94 if (!is_multiple_resource(tlv)) {
ram54288 0:a7a43371b306 95 error = M2MTLVDeserializer::NotValid;
ram54288 0:a7a43371b306 96 } else {
ram54288 0:a7a43371b306 97 tr_debug("M2MTLVDeserializer::deserialize_resource_instances()");
ram54288 0:a7a43371b306 98 uint8_t offset = 2;
ram54288 0:a7a43371b306 99
ram54288 0:a7a43371b306 100 ((tlv[0] & 0x20) == 0) ? offset : offset++;
ram54288 0:a7a43371b306 101
ram54288 0:a7a43371b306 102 uint8_t length = tlv[0] & 0x18;
ram54288 0:a7a43371b306 103 if(length == 0x08) {
ram54288 0:a7a43371b306 104 offset+= 1;
ram54288 0:a7a43371b306 105 } else if(length == 0x10) {
ram54288 0:a7a43371b306 106 offset+= 2;
ram54288 0:a7a43371b306 107 } else if(length == 0x18) {
ram54288 0:a7a43371b306 108 offset+= 3;
ram54288 0:a7a43371b306 109 }
ram54288 0:a7a43371b306 110
ram54288 0:a7a43371b306 111 tr_debug("M2MTLVDeserializer::deserialize_resource_instances() Offset %d", offset);
ram54288 0:a7a43371b306 112 error = deserialize_resource_instances(tlv, tlv_size, offset, resource, operation,false);
ram54288 0:a7a43371b306 113 if(M2MTLVDeserializer::None == error) {
ram54288 0:a7a43371b306 114 error = deserialize_resource_instances(tlv, tlv_size, offset, resource, operation,true);
ram54288 0:a7a43371b306 115 }
ram54288 0:a7a43371b306 116 }
ram54288 0:a7a43371b306 117 return error;
ram54288 0:a7a43371b306 118 }
ram54288 0:a7a43371b306 119
ram54288 0:a7a43371b306 120 M2MTLVDeserializer::Error M2MTLVDeserializer::deserialize_object_instances(uint8_t *tlv,
ram54288 0:a7a43371b306 121 uint32_t tlv_size,
ram54288 0:a7a43371b306 122 uint32_t offset,
ram54288 0:a7a43371b306 123 M2MObject &object,
ram54288 0:a7a43371b306 124 M2MTLVDeserializer::Operation operation,
ram54288 0:a7a43371b306 125 bool update_value)
ram54288 0:a7a43371b306 126 {
ram54288 0:a7a43371b306 127 tr_debug("M2MTLVDeserializer::deserialize_object_instances()");
ram54288 0:a7a43371b306 128 M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
ram54288 0:a7a43371b306 129 TypeIdLength *til = TypeIdLength::createTypeIdLength(tlv, offset)->deserialize();
ram54288 0:a7a43371b306 130 offset = til->_offset;
ram54288 0:a7a43371b306 131
ram54288 0:a7a43371b306 132 M2MObjectInstanceList list = object.instances();
ram54288 0:a7a43371b306 133 M2MObjectInstanceList::const_iterator it;
ram54288 0:a7a43371b306 134 it = list.begin();
ram54288 0:a7a43371b306 135
ram54288 0:a7a43371b306 136 if (TYPE_OBJECT_INSTANCE == til->_type) {
ram54288 0:a7a43371b306 137 for (; it!=list.end(); it++) {
ram54288 0:a7a43371b306 138 if((*it)->instance_id() == til->_id) {
ram54288 0:a7a43371b306 139 error = deserialize_resources(tlv, tlv_size, offset, (**it),operation, update_value);
ram54288 0:a7a43371b306 140 }
ram54288 0:a7a43371b306 141 }
ram54288 0:a7a43371b306 142 offset += til->_length;
ram54288 0:a7a43371b306 143
ram54288 0:a7a43371b306 144 if(offset < tlv_size) {
ram54288 0:a7a43371b306 145 error = deserialize_object_instances(tlv, tlv_size, offset, object, operation, update_value);
ram54288 0:a7a43371b306 146 }
ram54288 0:a7a43371b306 147 }
ram54288 0:a7a43371b306 148 delete til;
ram54288 0:a7a43371b306 149 return error;
ram54288 0:a7a43371b306 150 }
ram54288 0:a7a43371b306 151
ram54288 0:a7a43371b306 152 M2MTLVDeserializer::Error M2MTLVDeserializer::deserialize_resources(uint8_t *tlv,
ram54288 0:a7a43371b306 153 uint32_t tlv_size,
ram54288 0:a7a43371b306 154 uint32_t offset,
ram54288 0:a7a43371b306 155 M2MObjectInstance &object_instance,
ram54288 0:a7a43371b306 156 M2MTLVDeserializer::Operation operation,
ram54288 0:a7a43371b306 157 bool update_value)
ram54288 0:a7a43371b306 158 {
ram54288 0:a7a43371b306 159 tr_debug("M2MTLVDeserializer::deserialize_resources()");
ram54288 0:a7a43371b306 160 M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
ram54288 0:a7a43371b306 161 TypeIdLength *til = TypeIdLength::createTypeIdLength(tlv, offset)->deserialize();
ram54288 0:a7a43371b306 162 offset = til->_offset;
ram54288 0:a7a43371b306 163
ram54288 0:a7a43371b306 164 M2MResourceList list = object_instance.resources();
ram54288 0:a7a43371b306 165 M2MResourceList::const_iterator it;
ram54288 0:a7a43371b306 166 it = list.begin();
ram54288 0:a7a43371b306 167
ram54288 0:a7a43371b306 168 if (TYPE_RESOURCE == til->_type || TYPE_RESOURCE_INSTANCE == til->_type) {
ram54288 0:a7a43371b306 169 bool found = false;
ram54288 0:a7a43371b306 170 for (; it!=list.end(); it++) {
ram54288 0:a7a43371b306 171 if((*it)->name_id() == til->_id){
ram54288 0:a7a43371b306 172 tr_debug("M2MTLVDeserializer::deserialize_resources() - Resource ID %d ", til->_id);
ram54288 0:a7a43371b306 173 found = true;
ram54288 0:a7a43371b306 174 if(update_value) {
ram54288 0:a7a43371b306 175 if(til->_length > 0) {
ram54288 0:a7a43371b306 176 tr_debug("M2MTLVDeserializer::deserialize_resources() - Update value");
ram54288 0:a7a43371b306 177 (*it)->set_value(tlv+offset, til->_length);
ram54288 0:a7a43371b306 178 } else {
ram54288 0:a7a43371b306 179 tr_debug("M2MTLVDeserializer::deserialize_resources() - Clear Value");
ram54288 0:a7a43371b306 180 (*it)->clear_value();
ram54288 0:a7a43371b306 181 }
ram54288 0:a7a43371b306 182 break;
ram54288 0:a7a43371b306 183 } else if(0 == ((*it)->operation() & SN_GRS_PUT_ALLOWED)) {
ram54288 0:a7a43371b306 184 tr_debug("M2MTLVDeserializer::deserialize_resources() - NOT_ALLOWED");
ram54288 0:a7a43371b306 185 error = M2MTLVDeserializer::NotAllowed;
ram54288 0:a7a43371b306 186 break;
ram54288 0:a7a43371b306 187 }
ram54288 0:a7a43371b306 188 }
ram54288 0:a7a43371b306 189 }
ram54288 0:a7a43371b306 190 if(!found) {
ram54288 0:a7a43371b306 191 if(M2MTLVDeserializer::Post == operation) {
ram54288 0:a7a43371b306 192 //Create a new Resource
ram54288 0:a7a43371b306 193 String id;
ram54288 0:a7a43371b306 194 id.append_int(til->_id);
ram54288 0:a7a43371b306 195 M2MResource *resource = object_instance.create_dynamic_resource(id,"",M2MResourceInstance::INTEGER,true,false);
ram54288 0:a7a43371b306 196 if(resource) {
ram54288 0:a7a43371b306 197 resource->set_operation(M2MBase::GET_PUT_POST_DELETE_ALLOWED);
ram54288 0:a7a43371b306 198 }
ram54288 0:a7a43371b306 199 } else if(M2MTLVDeserializer::Put == operation) {
ram54288 0:a7a43371b306 200 error = M2MTLVDeserializer::NotFound;
ram54288 0:a7a43371b306 201 }
ram54288 0:a7a43371b306 202 }
ram54288 0:a7a43371b306 203 } else if (TYPE_MULTIPLE_RESOURCE == til->_type) {
ram54288 0:a7a43371b306 204 for (; it!=list.end(); it++) {
ram54288 0:a7a43371b306 205 if((*it)->supports_multiple_instances()) {
ram54288 0:a7a43371b306 206 error = deserialize_resource_instances(tlv, tlv_size-offset, offset, (**it), object_instance, operation, update_value);
ram54288 0:a7a43371b306 207 }
ram54288 0:a7a43371b306 208 }
ram54288 0:a7a43371b306 209
ram54288 0:a7a43371b306 210 } else {
ram54288 0:a7a43371b306 211 delete til;
ram54288 0:a7a43371b306 212 error = M2MTLVDeserializer::NotValid;
ram54288 0:a7a43371b306 213 return error;
ram54288 0:a7a43371b306 214 }
ram54288 0:a7a43371b306 215 offset += til->_length;
ram54288 0:a7a43371b306 216
ram54288 0:a7a43371b306 217 delete til;
ram54288 0:a7a43371b306 218 if(offset < tlv_size) {
ram54288 0:a7a43371b306 219 error = deserialize_resources(tlv, tlv_size, offset, object_instance, operation, update_value);
ram54288 0:a7a43371b306 220 }
ram54288 0:a7a43371b306 221 return error;
ram54288 0:a7a43371b306 222 }
ram54288 0:a7a43371b306 223
ram54288 0:a7a43371b306 224 M2MTLVDeserializer::Error M2MTLVDeserializer::deserialize_resource_instances(uint8_t *tlv,
ram54288 0:a7a43371b306 225 uint32_t tlv_size,
ram54288 0:a7a43371b306 226 uint32_t offset,
ram54288 0:a7a43371b306 227 M2MResource &resource,
ram54288 0:a7a43371b306 228 M2MObjectInstance &object_instance,
ram54288 0:a7a43371b306 229 M2MTLVDeserializer::Operation operation,
ram54288 0:a7a43371b306 230 bool update_value)
ram54288 0:a7a43371b306 231 {
ram54288 0:a7a43371b306 232 M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
ram54288 0:a7a43371b306 233 TypeIdLength *til = TypeIdLength::createTypeIdLength(tlv, offset)->deserialize();
ram54288 0:a7a43371b306 234 offset = til->_offset;
ram54288 0:a7a43371b306 235
ram54288 0:a7a43371b306 236 if (TYPE_MULTIPLE_RESOURCE == til->_type || TYPE_RESOURCE_INSTANCE == til->_type) {
ram54288 0:a7a43371b306 237 M2MResourceInstanceList list = resource.resource_instances();
ram54288 0:a7a43371b306 238 M2MResourceInstanceList::const_iterator it;
ram54288 0:a7a43371b306 239 it = list.begin();
ram54288 0:a7a43371b306 240 bool found = false;
ram54288 0:a7a43371b306 241 for (; it!=list.end(); it++) {
ram54288 0:a7a43371b306 242 if((*it)->instance_id() == til->_id) {
ram54288 0:a7a43371b306 243 found = true;
ram54288 0:a7a43371b306 244 if(update_value) {
ram54288 0:a7a43371b306 245 if(til->_length > 0) {
ram54288 0:a7a43371b306 246 (*it)->set_value(tlv+offset, til->_length);
ram54288 0:a7a43371b306 247 } else {
ram54288 0:a7a43371b306 248 (*it)->clear_value();
ram54288 0:a7a43371b306 249 }
ram54288 0:a7a43371b306 250 break;
ram54288 0:a7a43371b306 251 } else if(0 == ((*it)->operation() & SN_GRS_PUT_ALLOWED)) {
ram54288 0:a7a43371b306 252 error = M2MTLVDeserializer::NotAllowed;
ram54288 0:a7a43371b306 253 break;
ram54288 0:a7a43371b306 254 }
ram54288 0:a7a43371b306 255 }
ram54288 0:a7a43371b306 256 }
ram54288 0:a7a43371b306 257 if(!found) {
ram54288 0:a7a43371b306 258 if(M2MTLVDeserializer::Post == operation) {
ram54288 0:a7a43371b306 259 // Create a new Resource Instance
ram54288 0:a7a43371b306 260 M2MResourceInstance *res_instance = object_instance.create_dynamic_resource_instance(resource.name(),"",
ram54288 0:a7a43371b306 261 M2MResourceInstance::INTEGER,
ram54288 0:a7a43371b306 262 true,
ram54288 0:a7a43371b306 263 til->_id);
ram54288 0:a7a43371b306 264 if(res_instance) {
ram54288 0:a7a43371b306 265 res_instance->set_operation(M2MBase::GET_PUT_POST_DELETE_ALLOWED);
ram54288 0:a7a43371b306 266 }
ram54288 0:a7a43371b306 267 } else if(M2MTLVDeserializer::Put == operation) {
ram54288 0:a7a43371b306 268 error = M2MTLVDeserializer::NotFound;
ram54288 0:a7a43371b306 269 }
ram54288 0:a7a43371b306 270 }
ram54288 0:a7a43371b306 271 } else {
ram54288 0:a7a43371b306 272 delete til;
ram54288 0:a7a43371b306 273 error = M2MTLVDeserializer::NotValid;
ram54288 0:a7a43371b306 274 return error;
ram54288 0:a7a43371b306 275 }
ram54288 0:a7a43371b306 276
ram54288 0:a7a43371b306 277 offset += til->_length;
ram54288 0:a7a43371b306 278
ram54288 0:a7a43371b306 279 delete til;
ram54288 0:a7a43371b306 280 if(offset < tlv_size) {
ram54288 0:a7a43371b306 281 error = deserialize_resource_instances(tlv, tlv_size-offset, offset, resource, object_instance, operation, update_value);
ram54288 0:a7a43371b306 282 }
ram54288 0:a7a43371b306 283 return error;
ram54288 0:a7a43371b306 284 }
ram54288 0:a7a43371b306 285
ram54288 0:a7a43371b306 286 M2MTLVDeserializer::Error M2MTLVDeserializer::deserialize_resource_instances(uint8_t *tlv,
ram54288 0:a7a43371b306 287 uint32_t tlv_size,
ram54288 0:a7a43371b306 288 uint32_t offset,
ram54288 0:a7a43371b306 289 M2MResource &resource,
ram54288 0:a7a43371b306 290 M2MTLVDeserializer::Operation operation,
ram54288 0:a7a43371b306 291 bool update_value)
ram54288 0:a7a43371b306 292 {
ram54288 0:a7a43371b306 293 M2MTLVDeserializer::Error error = M2MTLVDeserializer::None;
ram54288 0:a7a43371b306 294 TypeIdLength *til = TypeIdLength::createTypeIdLength(tlv, offset)->deserialize();
ram54288 0:a7a43371b306 295 offset = til->_offset;
ram54288 0:a7a43371b306 296
ram54288 0:a7a43371b306 297 if (TYPE_RESOURCE_INSTANCE == til->_type) {
ram54288 0:a7a43371b306 298 M2MResourceInstanceList list = resource.resource_instances();
ram54288 0:a7a43371b306 299 M2MResourceInstanceList::const_iterator it;
ram54288 0:a7a43371b306 300 it = list.begin();
ram54288 0:a7a43371b306 301 bool found = false;
ram54288 0:a7a43371b306 302 for (; it!=list.end(); it++) {
ram54288 0:a7a43371b306 303 if((*it)->instance_id() == til->_id) {
ram54288 0:a7a43371b306 304 found = true;
ram54288 0:a7a43371b306 305 if(update_value) {
ram54288 0:a7a43371b306 306 if(til->_length > 0) {
ram54288 0:a7a43371b306 307 (*it)->set_value(tlv+offset, til->_length);
ram54288 0:a7a43371b306 308 } else {
ram54288 0:a7a43371b306 309 (*it)->clear_value();
ram54288 0:a7a43371b306 310 }
ram54288 0:a7a43371b306 311 break;
ram54288 0:a7a43371b306 312 } else if(0 == ((*it)->operation() & SN_GRS_PUT_ALLOWED)) {
ram54288 0:a7a43371b306 313 error = M2MTLVDeserializer::NotAllowed;
ram54288 0:a7a43371b306 314 break;
ram54288 0:a7a43371b306 315 }
ram54288 0:a7a43371b306 316 }
ram54288 0:a7a43371b306 317 }
ram54288 0:a7a43371b306 318 if(!found) {
ram54288 0:a7a43371b306 319 if(M2MTLVDeserializer::Post == operation) {
ram54288 0:a7a43371b306 320 error = M2MTLVDeserializer::NotAllowed;
ram54288 0:a7a43371b306 321 } else if(M2MTLVDeserializer::Put == operation) {
ram54288 0:a7a43371b306 322 error = M2MTLVDeserializer::NotFound;
ram54288 0:a7a43371b306 323 }
ram54288 0:a7a43371b306 324 }
ram54288 0:a7a43371b306 325 } else {
ram54288 0:a7a43371b306 326 delete til;
ram54288 0:a7a43371b306 327 error = M2MTLVDeserializer::NotValid;
ram54288 0:a7a43371b306 328 return error;
ram54288 0:a7a43371b306 329 }
ram54288 0:a7a43371b306 330
ram54288 0:a7a43371b306 331 offset += til->_length;
ram54288 0:a7a43371b306 332
ram54288 0:a7a43371b306 333 delete til;
ram54288 0:a7a43371b306 334 if(offset < tlv_size) {
ram54288 0:a7a43371b306 335 error = deserialize_resource_instances(tlv, tlv_size-offset, offset, resource, operation, update_value);
ram54288 0:a7a43371b306 336 }
ram54288 0:a7a43371b306 337 return error;
ram54288 0:a7a43371b306 338 }
ram54288 0:a7a43371b306 339
ram54288 0:a7a43371b306 340 bool M2MTLVDeserializer::is_object_instance(uint8_t *tlv, uint32_t offset)
ram54288 0:a7a43371b306 341 {
ram54288 0:a7a43371b306 342 bool ret = false;
ram54288 0:a7a43371b306 343 if (tlv) {
ram54288 0:a7a43371b306 344 uint8_t value = tlv[offset];
ram54288 0:a7a43371b306 345 ret = (TYPE_OBJECT_INSTANCE == (value & TYPE_RESOURCE));
ram54288 0:a7a43371b306 346 }
ram54288 0:a7a43371b306 347 return ret;
ram54288 0:a7a43371b306 348 }
ram54288 0:a7a43371b306 349
ram54288 0:a7a43371b306 350 uint16_t M2MTLVDeserializer::instance_id(uint8_t *tlv)
ram54288 0:a7a43371b306 351 {
ram54288 0:a7a43371b306 352 TypeIdLength *til = TypeIdLength::createTypeIdLength(tlv, 0)->deserialize();
ram54288 0:a7a43371b306 353 uint16_t id = til->_id;
ram54288 0:a7a43371b306 354 delete til;
ram54288 0:a7a43371b306 355 return id;
ram54288 0:a7a43371b306 356 }
ram54288 0:a7a43371b306 357
ram54288 0:a7a43371b306 358 bool M2MTLVDeserializer::is_resource(uint8_t *tlv, uint32_t offset)
ram54288 0:a7a43371b306 359 {
ram54288 0:a7a43371b306 360 bool ret = false;
ram54288 0:a7a43371b306 361 if (tlv) {
ram54288 0:a7a43371b306 362 ret = (TYPE_RESOURCE == (tlv[offset] & TYPE_RESOURCE));
ram54288 0:a7a43371b306 363 }
ram54288 0:a7a43371b306 364 return ret;
ram54288 0:a7a43371b306 365 }
ram54288 0:a7a43371b306 366
ram54288 0:a7a43371b306 367 bool M2MTLVDeserializer::is_multiple_resource(uint8_t *tlv, uint32_t offset)
ram54288 0:a7a43371b306 368 {
ram54288 0:a7a43371b306 369 bool ret = false;
ram54288 0:a7a43371b306 370 if (tlv) {
ram54288 0:a7a43371b306 371 ret = (TYPE_MULTIPLE_RESOURCE == (tlv[offset] & TYPE_RESOURCE));
ram54288 0:a7a43371b306 372 }
ram54288 0:a7a43371b306 373 return ret;
ram54288 0:a7a43371b306 374 }
ram54288 0:a7a43371b306 375
ram54288 0:a7a43371b306 376 bool M2MTLVDeserializer::is_resource_instance(uint8_t *tlv, uint32_t offset)
ram54288 0:a7a43371b306 377 {
ram54288 0:a7a43371b306 378 bool ret = false;
ram54288 0:a7a43371b306 379 if (tlv) {
ram54288 0:a7a43371b306 380 ret = (TYPE_RESOURCE_INSTANCE == (tlv[offset] & TYPE_RESOURCE));
ram54288 0:a7a43371b306 381 }
ram54288 0:a7a43371b306 382 return ret;
ram54288 0:a7a43371b306 383 }
ram54288 0:a7a43371b306 384
ram54288 0:a7a43371b306 385 TypeIdLength* TypeIdLength::createTypeIdLength(uint8_t *tlv, uint32_t offset)
ram54288 0:a7a43371b306 386 {
ram54288 0:a7a43371b306 387 TypeIdLength *til = new TypeIdLength();
ram54288 0:a7a43371b306 388 til->_tlv = tlv;
ram54288 0:a7a43371b306 389 til->_offset = offset;
ram54288 0:a7a43371b306 390 til->_type = tlv[offset] & 0xC0;
ram54288 0:a7a43371b306 391 til->_id = 0;
ram54288 0:a7a43371b306 392 til->_length = 0;
ram54288 0:a7a43371b306 393 return til;
ram54288 0:a7a43371b306 394 }
ram54288 0:a7a43371b306 395
ram54288 0:a7a43371b306 396 TypeIdLength* TypeIdLength::deserialize()
ram54288 0:a7a43371b306 397 {
ram54288 0:a7a43371b306 398 uint32_t idLength = _tlv[_offset] & ID16;
ram54288 0:a7a43371b306 399 uint32_t lengthType = _tlv[_offset] & LENGTH24;
ram54288 0:a7a43371b306 400 if (0 == lengthType) {
ram54288 0:a7a43371b306 401 _length = _tlv[_offset] & 0x07;
ram54288 0:a7a43371b306 402 }
ram54288 0:a7a43371b306 403 _offset++;
ram54288 0:a7a43371b306 404
ram54288 0:a7a43371b306 405 deserialiseID(idLength);
ram54288 0:a7a43371b306 406 deserialiseLength(lengthType);
ram54288 0:a7a43371b306 407
ram54288 0:a7a43371b306 408 return this;
ram54288 0:a7a43371b306 409 }
ram54288 0:a7a43371b306 410
ram54288 0:a7a43371b306 411 void TypeIdLength::deserialiseID(uint32_t idLength)
ram54288 0:a7a43371b306 412 {
ram54288 0:a7a43371b306 413 _id = _tlv[_offset++] & 0xFF;
ram54288 0:a7a43371b306 414 if (ID16 == idLength) {
ram54288 0:a7a43371b306 415 _id = (_id << 8) + (_tlv[_offset++] & 0xFF);
ram54288 0:a7a43371b306 416 }
ram54288 0:a7a43371b306 417 }
ram54288 0:a7a43371b306 418
ram54288 0:a7a43371b306 419 void TypeIdLength::deserialiseLength(uint32_t lengthType)
ram54288 0:a7a43371b306 420 {
ram54288 0:a7a43371b306 421 if (lengthType > 0) {
ram54288 0:a7a43371b306 422 _length = _tlv[_offset++] & 0xFF;
ram54288 0:a7a43371b306 423 }
ram54288 0:a7a43371b306 424 if (lengthType > LENGTH8) {
ram54288 0:a7a43371b306 425 _length = (_length << 8) + (_tlv[_offset++] & 0xFF);
ram54288 0:a7a43371b306 426 }
ram54288 0:a7a43371b306 427 if (lengthType > LENGTH16) {
ram54288 0:a7a43371b306 428 _length = (_length << 8) + (_tlv[_offset++] & 0xFF);
ram54288 0:a7a43371b306 429 }
ram54288 0:a7a43371b306 430 }