mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

Revision:
11:cada08fc8a70
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-client/source/m2mserver.cpp	Thu Jun 09 17:08:36 2016 +0000
@@ -0,0 +1,310 @@
+/*
+ * 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/m2mserver.h"
+#include "mbed-client/m2mconstants.h"
+#include "mbed-client/m2mobject.h"
+#include "mbed-client/m2mobjectinstance.h"
+#include "mbed-client/m2mresource.h"
+
+
+M2MServer::M2MServer()
+: M2MObject(M2M_SERVER_ID)
+{
+    M2MObject::create_object_instance();
+
+    _server_instance = object_instance();
+
+    if(_server_instance) {
+
+        M2MResource* res = _server_instance->create_dynamic_resource(SERVER_SHORT_SERVER_ID,
+                                                                     OMA_RESOURCE_TYPE,
+                                                                     M2MResourceInstance::INTEGER,
+                                                                     true);
+        if(res) {
+            res->set_operation(M2MBase::GET_PUT_ALLOWED);
+        }
+        res = _server_instance->create_dynamic_resource(SERVER_LIFETIME,
+                                                        OMA_RESOURCE_TYPE,
+                                                        M2MResourceInstance::INTEGER,
+                                                        true);
+        if(res) {
+            res->set_operation(M2MBase::GET_PUT_POST_ALLOWED);
+        }
+        res = _server_instance->create_dynamic_resource(SERVER_NOTIFICATION_STORAGE,
+                                                        OMA_RESOURCE_TYPE,
+                                                        M2MResourceInstance::BOOLEAN,
+                                                        true);
+        if(res) {
+            res->set_operation(M2MBase::GET_PUT_POST_ALLOWED);
+        }
+        res = _server_instance->create_dynamic_resource(SERVER_BINDING,
+                                                        OMA_RESOURCE_TYPE,
+                                                        M2MResourceInstance::STRING,
+                                                        true);
+        if(res) {
+            res->set_operation(M2MBase::GET_PUT_POST_ALLOWED);
+        }
+        res = _server_instance->create_dynamic_resource(SERVER_REGISTRATION_UPDATE,
+                                                        OMA_RESOURCE_TYPE,
+                                                        M2MResourceInstance::OPAQUE,
+                                                        false);
+        if(res) {
+          res->set_operation(M2MBase::POST_ALLOWED);
+        }
+    }
+}
+
+M2MServer::~M2MServer()
+{
+
+}
+
+M2MResource* M2MServer::create_resource(ServerResource resource, uint32_t value)
+{
+    M2MResource* res = NULL;
+    String server_id = "";
+    if(!is_resource_present(resource)) {
+        switch(resource) {
+        case DefaultMinPeriod:
+            server_id = SERVER_DEFAULT_MIN_PERIOD;
+            break;
+        case DefaultMaxPeriod:
+            server_id = SERVER_DEFAULT_MAX_PERIOD;
+            break;
+        case DisableTimeout:
+            server_id = SERVER_DISABLE_TIMEOUT;
+            break;
+        default:
+            break;
+        }
+    }
+    if(!server_id.empty()) {
+        if(_server_instance) {
+            res = _server_instance->create_dynamic_resource(server_id,
+                                                            OMA_RESOURCE_TYPE,
+                                                            M2MResourceInstance::INTEGER,
+                                                            true);
+            if(res) {
+                res->set_operation(M2MBase::GET_PUT_POST_ALLOWED);
+                // If resource is created then set the value.
+                char *buffer = (char*)malloc(20);
+                if(buffer) {
+                    int size = snprintf(buffer, 20,"%ld",(long int)value);
+                    res->set_value((const uint8_t*)buffer,(uint32_t)size);
+                    free(buffer);
+                }
+            }
+        }
+    }
+    return res;
+}
+
+M2MResource* M2MServer::create_resource(ServerResource resource)
+{
+    M2MResource* res = NULL;
+    if(!is_resource_present(resource)) {
+        if(M2MServer::Disable == resource) {
+                if(_server_instance) {
+                    res = _server_instance->create_dynamic_resource(SERVER_DISABLE,
+                                                                    OMA_RESOURCE_TYPE,
+                                                                    M2MResourceInstance::OPAQUE,
+                                                                    false);
+                if(res) {
+                    res->set_operation(M2MBase::POST_ALLOWED);
+                }
+            }
+        }
+    }
+    return res;
+}
+
+bool M2MServer::delete_resource(ServerResource resource)
+{
+    bool success = false;
+    String server_id = "";
+    switch(resource) {
+        case DefaultMinPeriod:
+           server_id = SERVER_DEFAULT_MIN_PERIOD;
+           break;
+        case DefaultMaxPeriod:
+            server_id = SERVER_DEFAULT_MAX_PERIOD;
+            break;
+        case Disable:
+            server_id = SERVER_DISABLE;
+            break;
+        case DisableTimeout:
+            server_id = SERVER_DISABLE_TIMEOUT;
+            break;
+        default:
+            break;
+    }
+    if(!server_id.empty()) {
+        if(_server_instance) {
+            success = _server_instance->remove_resource(server_id);
+        }
+    }
+    return success;
+}
+
+bool M2MServer::set_resource_value(ServerResource resource,
+                                   const String &value)
+{
+    bool success = false;
+    M2MResource* res = get_resource(resource);
+    if(res && (M2MServer::Binding == resource)) {
+        success = res->set_value((const uint8_t*)value.c_str(),(uint32_t)value.length());
+    }
+    return success;
+}
+
+bool M2MServer::set_resource_value(ServerResource resource,
+                                   uint32_t value)
+{
+    bool success = false;
+    M2MResource* res = get_resource(resource);
+    if(res) {
+        if(M2MServer::ShortServerID == resource     ||
+           M2MServer::Lifetime == resource          ||
+           M2MServer::DefaultMinPeriod == resource  ||
+           M2MServer::DefaultMaxPeriod == resource  ||
+           M2MServer::DisableTimeout == resource    ||
+           M2MServer::NotificationStorage == resource) {
+            // If it is any of the above resource
+            // set the value of the resource.
+            char *buffer = (char*)malloc(20);
+            if(buffer) {
+                int size = snprintf(buffer, 20,"%ld",(long int)value);
+                success = res->set_value((const uint8_t*)buffer,
+                                         (uint32_t)size);
+                free(buffer);
+            }
+        }
+    }
+    return success;
+}
+
+String M2MServer::resource_value_string(ServerResource resource) const
+{
+    String value = "";
+    M2MResource* res = get_resource(resource);
+    if(res && (M2MServer::Binding == 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;
+}
+
+
+uint32_t M2MServer::resource_value_int(ServerResource resource) const
+{
+    uint32_t value = 0;
+    M2MResource* res = get_resource(resource);
+    if(res) {
+        if(M2MServer::ShortServerID == resource     ||
+           M2MServer::Lifetime == resource          ||
+           M2MServer::DefaultMinPeriod == resource  ||
+           M2MServer::DefaultMaxPeriod == resource  ||
+           M2MServer::DisableTimeout == resource    ||
+           M2MServer::NotificationStorage == 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;
+}
+
+bool M2MServer::is_resource_present(ServerResource resource) const
+{
+    bool success = false;
+    M2MResource *res = get_resource(resource);
+    if(res) {
+        success = true;
+    }
+    return success;
+}
+
+uint16_t M2MServer::total_resource_count() const
+{
+    uint16_t total_count = 0;
+    if(_server_instance) {
+    total_count = _server_instance->resources().size();
+    }
+    return total_count;
+}
+
+M2MResource* M2MServer::get_resource(ServerResource res) const
+{
+    M2MResource* res_object = NULL;
+    String res_name = "";
+    switch(res) {
+    case ShortServerID:
+        res_name = SERVER_SHORT_SERVER_ID;
+        break;
+    case Lifetime:
+        res_name = SERVER_LIFETIME;
+        break;
+    case DefaultMinPeriod:
+        res_name = SERVER_DEFAULT_MIN_PERIOD;
+        break;
+    case DefaultMaxPeriod:
+        res_name = SERVER_DEFAULT_MAX_PERIOD;
+        break;
+    case Disable:
+        res_name = SERVER_DISABLE;
+        break;
+    case DisableTimeout:
+        res_name = SERVER_DISABLE_TIMEOUT;
+        break;
+    case NotificationStorage:
+        res_name = SERVER_NOTIFICATION_STORAGE;
+        break;
+    case Binding:
+        res_name = SERVER_BINDING;
+        break;
+    case RegistrationUpdate:
+        res_name = SERVER_REGISTRATION_UPDATE;
+        break;
+    }
+    if(!res_name.empty()) {
+        if(_server_instance) {
+        res_object = _server_instance->resource(res_name);
+        }
+    }
+    return res_object;
+}