Diff: mbed-client/source/m2mfirmware.cpp

Revision:

11:cada08fc8a70

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-client/source/m2mfirmware.cpp	Thu Jun 09 17:08:36 2016 +0000
@@ -0,0 +1,444 @@
+/*
+ * 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"
+
+M2MFirmware* M2MFirmware::_instance = NULL;
+
+M2MFirmware* M2MFirmware::get_instance()
+{
+    if(_instance == NULL) {
+        _instance = new M2MFirmware();
+    }
+    return _instance;
+}
+
+void M2MFirmware::delete_instance()
+{
+    if(_instance) {
+        delete _instance;
+        _instance = NULL;
+    }
+}
+
+M2MFirmware::M2MFirmware()
+: M2MObject(M2M_FIRMWARE_ID)
+{
+    _firmware_instance = M2MObject::create_object_instance();
+    if(_firmware_instance) {
+        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 = _firmware_instance->create_dynamic_resource(FIRMWARE_PACKAGE_URI,
+                                                    OMA_RESOURCE_TYPE,
+                                                    M2MResourceInstance::STRING,
+                                                    false);
+    if(res) {
+        res->set_operation(M2MBase::PUT_ALLOWED);
+    }
+
+    res = _firmware_instance->create_dynamic_resource(FIRMWARE_UPDATE,
+                                                    OMA_RESOURCE_TYPE,
+                                                    M2MResourceInstance::OPAQUE,
+                                                    false);
+    if(res) {
+        res->set_operation(M2MBase::NOT_ALLOWED);
+    }
+
+    res = _firmware_instance->create_dynamic_resource(FIRMWARE_STATE,
+                                                    OMA_RESOURCE_TYPE,
+                                                    M2MResourceInstance::INTEGER,
+                                                    false);
+    if(res) {
+        res->set_operation(M2MBase::GET_ALLOWED);
+    }
+
+    res = _firmware_instance->create_dynamic_resource(FIRMWARE_UPDATE_RESULT,
+                                                    OMA_RESOURCE_TYPE,
+                                                    M2MResourceInstance::INTEGER,
+                                                    false);
+    if(res) {
+        res->set_operation(M2MBase::GET_ALLOWED);
+    }
+}
+
+M2MResource* M2MFirmware::create_resource(FirmwareResource resource, const String &value)
+{
+    M2MResource* res = NULL;
+    String firmware_id = "";
+    M2MBase::Operation operation = M2MBase::GET_ALLOWED;
+    if(!is_resource_present(resource)) {
+        switch(resource) {
+            case PackageName:
+                firmware_id = FIRMWARE_PACKAGE_NAME;
+                break;
+            case PackageVersion:
+                firmware_id = FIRMWARE_PACKAGE_VERSION;
+                break;
+            default:
+                break;
+        }
+    }
+    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_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;
+    String firmware_id = "";
+    M2MBase::Operation operation = M2MBase::GET_ALLOWED;
+    if(!is_resource_present(resource)) {
+        switch(resource) {
+        case UpdateSupportedObjects:
+            if(check_value_range(resource, value)) {
+                firmware_id = FIRMWARE_UPDATE_SUPPORTED_OBJECTS;
+                operation = M2MBase::GET_PUT_ALLOWED;
+            }
+            break;
+        default:
+            break;
+        }
+    }
+    if(!firmware_id.empty()) {
+        if(_firmware_instance) {
+            res = _firmware_instance->create_dynamic_resource(firmware_id,
+                                                            OMA_RESOURCE_TYPE,
+                                                            M2MResourceInstance::INTEGER,
+                                                            false);
+
+            if(res) {
+                char *buffer = (char*)memory_alloc(20);
+                if(buffer) {
+                    int size = snprintf(buffer, 20,"%lld",(long long int)value);
+
+                    res->set_operation(operation);
+                    res->set_value((const uint8_t*)buffer,
+                                   (uint32_t)size);
+                    memory_free(buffer);
+                }
+            }
+        }
+    }
+    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)) {
+                char *buffer = (char*)memory_alloc(20);
+                if(buffer) {
+                    int size = snprintf(buffer, 20,"%lld",(long long int)value);
+                    success = res->set_value((const uint8_t*)buffer,
+                                             (uint32_t)size);
+                    memory_free(buffer);
+                }
+            }
+        }
+    }
+    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;
+}
+
+String M2MFirmware::resource_name(FirmwareResource resource) const
+{
+    String 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 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) {
+        String res_name = "";
+        switch(res) {
+            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;
+        }
+        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) {
+            // Get the value and convert it into integer
+            uint8_t* buffer = NULL;
+            uint32_t length = 0;
+            res->get_value(buffer,length);
+            if(buffer) {
+                value = atoi((const char*)buffer);
+                free(buffer);
+            }
+        }
+    }
+    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) {
+            uint8_t* buffer = NULL;
+            uint32_t length = 0;
+            res->get_value(buffer,length);
+
+            char *char_buffer = (char*)malloc(length+1);
+            if(char_buffer) {
+                memset(char_buffer,0,length+1);
+                memcpy(char_buffer,(char*)buffer,length);
+
+                String s_name(char_buffer);
+                value = s_name;
+                if(char_buffer) {
+                    free(char_buffer);
+                }
+            }
+            if(buffer) {
+                free(buffer);
+            }
+        }
+    }
+    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 <= 2) {
+                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;
+}
+