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mbed-os/features/FEATURE_CLIENT/mbed-client/source/m2mfirmware.cpp

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/*
* Copyright (c) 2015 ARM Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cstdio>
#include "mbed-client/m2mfirmware.h"
#include "mbed-client/m2mconstants.h"
#include "mbed-client/m2mobject.h"
#include "mbed-client/m2mobjectinstance.h"
#include "mbed-client/m2mresource.h"
#define BUFFER_SIZE 21
#define TRACE_GROUP "mClt"
M2MFirmware* M2MFirmware::_instance = NULL;
M2MFirmware* M2MFirmware::get_instance()
{
if(_instance == NULL) {
_instance = new M2MFirmware();
}
return _instance;
}
void M2MFirmware::delete_instance()
{
delete _instance;
_instance = NULL;
}
M2MFirmware::M2MFirmware()
: M2MObject(M2M_FIRMWARE_ID)
{
M2MBase::set_register_uri(false);
M2MBase::set_operation(M2MBase::GET_PUT_ALLOWED);
_firmware_instance = M2MObject::create_object_instance();
if(_firmware_instance) {
_firmware_instance->set_operation(M2MBase::GET_PUT_ALLOWED);
create_mandatory_resources();
}
}
M2MFirmware::~M2MFirmware()
{
}
void M2MFirmware::create_mandatory_resources()
{
_firmware_instance->set_coap_content_type(COAP_CONTENT_OMA_TLV_TYPE);
M2MResource* res = _firmware_instance->create_dynamic_resource(FIRMWARE_PACKAGE,
OMA_RESOURCE_TYPE,
M2MResourceInstance::OPAQUE,
false);
if(res) {
res->set_operation(M2MBase::PUT_ALLOWED);
res->set_register_uri(false);
}
res = _firmware_instance->create_dynamic_resource(FIRMWARE_PACKAGE_URI,
OMA_RESOURCE_TYPE,
M2MResourceInstance::STRING,
false);
if(res) {
res->set_operation(M2MBase::PUT_ALLOWED);
res->set_register_uri(false);
}
res = _firmware_instance->create_dynamic_resource(FIRMWARE_UPDATE,
OMA_RESOURCE_TYPE,
M2MResourceInstance::OPAQUE,
false);
if(res) {
res->set_operation(M2MBase::NOT_ALLOWED);
res->set_register_uri(false);
}
res = _firmware_instance->create_dynamic_resource(FIRMWARE_STATE,
OMA_RESOURCE_TYPE,
M2MResourceInstance::INTEGER,
true);
set_zero_value(res);
if(res) {
res->set_operation(M2MBase::GET_ALLOWED);
res->set_register_uri(false);
}
res = _firmware_instance->create_dynamic_resource(FIRMWARE_UPDATE_RESULT,
OMA_RESOURCE_TYPE,
M2MResourceInstance::INTEGER,
true);
set_zero_value(res);
if(res) {
res->set_operation(M2MBase::GET_ALLOWED);
res->set_register_uri(false);
}
}
M2MResource* M2MFirmware::create_resource(FirmwareResource resource, const String &value)
{
M2MResource* res = NULL;
const char* firmware_id_ptr = "";
M2MBase::Operation operation = M2MBase::GET_ALLOWED;
if(!is_resource_present(resource)) {
switch(resource) {
case PackageName:
firmware_id_ptr = FIRMWARE_PACKAGE_NAME;
break;
case PackageVersion:
firmware_id_ptr = FIRMWARE_PACKAGE_VERSION;
break;
default:
break;
}
}
String firmware_id(firmware_id_ptr);
if(!firmware_id.empty() && value.size() < 256) {
if(_firmware_instance) {
res = _firmware_instance->create_dynamic_resource(firmware_id,
OMA_RESOURCE_TYPE,
M2MResourceInstance::STRING,
false);
if(res) {
res->set_register_uri(false);
res->set_operation(operation);
if(value.empty()) {
res->clear_value();
} else {
res->set_value((const uint8_t*)value.c_str(),
(uint32_t)value.length());
}
}
}
}
return res;
}
M2MResource* M2MFirmware::create_resource(FirmwareResource resource, int64_t value)
{
M2MResource* res = NULL;
const char* firmware_id_ptr = "";
M2MBase::Operation operation = M2MBase::GET_ALLOWED;
if(!is_resource_present(resource)) {
switch(resource) {
case UpdateSupportedObjects:
if(check_value_range(resource, value)) {
firmware_id_ptr = FIRMWARE_UPDATE_SUPPORTED_OBJECTS;
operation = M2MBase::GET_PUT_ALLOWED;
}
break;
default:
break;
}
}
const String firmware_id(firmware_id_ptr);
if(!firmware_id.empty()) {
if(_firmware_instance) {
res = _firmware_instance->create_dynamic_resource(firmware_id,
OMA_RESOURCE_TYPE,
M2MResourceInstance::INTEGER,
false);
if(res) {
res->set_register_uri(false);
res->set_operation(operation);
res->set_value(value);
}
}
}
return res;
}
bool M2MFirmware::set_resource_value(FirmwareResource resource,
const String &value)
{
bool success = false;
M2MResource* res = get_resource(resource);
if(res) {
if(M2MFirmware::PackageUri == resource ||
M2MFirmware::PackageName == resource ||
M2MFirmware::PackageVersion == resource) {
if (value.size() < 256) {
if(value.empty()) {
res->clear_value();
success = true;
} else {
success = res->set_value((const uint8_t*)value.c_str(),(uint32_t)value.length());
}
}
}
}
return success;
}
bool M2MFirmware::set_resource_value(FirmwareResource resource,
int64_t value)
{
bool success = false;
M2MResource* res = get_resource(resource);
if(res) {
if(M2MFirmware::State == resource ||
M2MFirmware::UpdateSupportedObjects == resource ||
M2MFirmware::UpdateResult == resource) {
// If it is any of the above resource
// set the value of the resource.
if (check_value_range(resource, value)) {
success = res->set_value(value);
}
}
}
return success;
}
bool M2MFirmware::set_resource_value(FirmwareResource resource,
const uint8_t *value,
const uint32_t length)
{
bool success = false;
M2MResource* res = get_resource(resource);
if(res) {
if(M2MFirmware::Package == resource) {
success = res->set_value(value,length);
}
}
return success;
}
bool M2MFirmware::is_resource_present(FirmwareResource resource) const
{
bool success = false;
M2MResource* res = get_resource(resource);
if(res) {
success = true;
}
return success;
}
const String M2MFirmware::resource_name(FirmwareResource resource)
{
const char* res_name = "";
switch(resource) {
case Package:
res_name = FIRMWARE_PACKAGE;
break;
case PackageUri:
res_name = FIRMWARE_PACKAGE_URI;
break;
case Update:
res_name = FIRMWARE_UPDATE;
break;
case State:
res_name = FIRMWARE_STATE;
break;
case UpdateSupportedObjects:
res_name = FIRMWARE_UPDATE_SUPPORTED_OBJECTS;
break;
case UpdateResult:
res_name = FIRMWARE_UPDATE_RESULT;
break;
case PackageName:
res_name = FIRMWARE_PACKAGE_NAME;
break;
case PackageVersion:
res_name = FIRMWARE_PACKAGE_VERSION;
break;
}
return String(res_name);
}
uint16_t M2MFirmware::per_resource_count(FirmwareResource res) const
{
uint16_t count = 0;
if(_firmware_instance) {
count = _firmware_instance->resource_count(resource_name(res));
}
return count;
}
uint16_t M2MFirmware::total_resource_count() const
{
uint16_t count = 0;
if(_firmware_instance) {
count = _firmware_instance->resources().size();
}
return count;
}
uint32_t M2MFirmware::resource_value_buffer(FirmwareResource resource,
uint8_t *&data) const
{
uint32_t size = 0;
M2MResource* res = get_resource(resource);
if(res) {
if(M2MFirmware::Package == resource) {
res->get_value(data,size);
}
}
return size;
}
M2MResource* M2MFirmware::get_resource(FirmwareResource res) const
{
M2MResource* res_object = NULL;
if(_firmware_instance) {
const char* res_name_ptr = "";
switch(res) {
case Package:
res_name_ptr = FIRMWARE_PACKAGE;
break;
case PackageUri:
res_name_ptr = FIRMWARE_PACKAGE_URI;
break;
case Update:
res_name_ptr = FIRMWARE_UPDATE;
break;
case State:
res_name_ptr = FIRMWARE_STATE;
break;
case UpdateSupportedObjects:
res_name_ptr = FIRMWARE_UPDATE_SUPPORTED_OBJECTS;
break;
case UpdateResult:
res_name_ptr = FIRMWARE_UPDATE_RESULT;
break;
case PackageName:
res_name_ptr = FIRMWARE_PACKAGE_NAME;
break;
case PackageVersion:
res_name_ptr = FIRMWARE_PACKAGE_VERSION;
break;
}
const String res_name(res_name_ptr);
res_object = _firmware_instance->resource(res_name);
}
return res_object;
}
bool M2MFirmware::delete_resource(FirmwareResource resource)
{
bool success = false;
if(M2MFirmware::UpdateSupportedObjects == resource ||
M2MFirmware::PackageName == resource ||
M2MFirmware::PackageVersion == resource) {
if(_firmware_instance) {
success = _firmware_instance->remove_resource(resource_name(resource));
}
}
return success;
}
int64_t M2MFirmware::resource_value_int(FirmwareResource resource) const
{
int64_t value = -1;
M2MResource* res = get_resource(resource);
if(res) {
if(M2MFirmware::State == resource ||
M2MFirmware::UpdateSupportedObjects == resource ||
M2MFirmware::UpdateResult == resource) {
value = res->get_value_int();
}
}
return value;
}
String M2MFirmware::resource_value_string(FirmwareResource resource) const
{
String value = "";
M2MResource* res = get_resource(resource);
if(res) {
if(M2MFirmware::PackageUri == resource ||
M2MFirmware::PackageName == resource ||
M2MFirmware::PackageVersion == resource) {
value = res->get_value_string();
}
}
return value;
}
bool M2MFirmware::check_value_range(FirmwareResource resource, int64_t value) const
{
bool success = false;
switch (resource) {
case UpdateSupportedObjects:
if(value == 0 || value == 1) {
success = true;
}
break;
case State:
if (value >= 0 && value <= 3) {
success = true;
M2MResource* updateRes = get_resource(M2MFirmware::Update);
if (updateRes){
if (value == M2MFirmware::Downloaded) {
updateRes->set_operation(M2MBase::POST_ALLOWED);
}
else {
updateRes->set_operation(M2MBase::NOT_ALLOWED);
}
}
}
break;
case UpdateResult:
if (value >= 0 && value <= 7) {
success = true;
}
break;
default:
break;
}
return success;
}
void M2MFirmware::set_zero_value(M2MResource *resource)
{
resource->set_value((const uint8_t*)"0", 1);
}
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