Diff: main.cpp

Revision:

0:9ad9d701b1c3

Child:

4:dcd0494556be

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 28 17:22:34 2016 +0000
@@ -0,0 +1,379 @@
+/*
+ * 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 "EthernetInterface.h"
+#include "mbed-client/m2minterfacefactory.h"
+#include "mbed-client/m2mdevice.h"
+#include "mbed-client/m2minterfaceobserver.h"
+#include "mbed-client/m2minterface.h"
+#include "mbed-client/m2mobjectinstance.h"
+#include "mbed-client/m2mresource.h"
+#include "security.h"
+#include "ns_trace.h"
+
+#include "mbed.h"
+
+
+Serial output(USBTX, USBRX);
+
+//Select binding mode: UDP or TCP
+M2MInterface::BindingMode SOCKET_MODE = M2MInterface::UDP;
+
+// This is address to mbed Device Connector
+const String &MBED_SERVER_ADDRESS = "coap://api.connector.mbed.com:5684";
+
+const String &MBED_USER_NAME_DOMAIN = MBED_DOMAIN;
+const String &ENDPOINT_NAME = MBED_ENDPOINT_NAME;
+
+const String &MANUFACTURER = "manufacturer";
+const String &TYPE = "type";
+const String &MODEL_NUMBER = "2015";
+const String &SERIAL_NUMBER = "12345";
+
+const uint8_t STATIC_VALUE[] = "Static value";
+
+#if defined(TARGET_K64F)
+#define OBS_BUTTON SW2
+#define UNREG_BUTTON SW3
+#endif
+
+
+class MbedClient: public M2MInterfaceObserver {
+public:
+    MbedClient(){
+        _interface = NULL;
+        _bootstrapped = false;
+        _error = false;
+        _registered = false;
+        _unregistered = false;
+        _register_security = NULL;
+        _value = 0;
+        _object = NULL;
+    }
+
+    ~MbedClient() {
+        if(_interface) {
+            delete _interface;
+        }
+        if(_register_security){
+            delete _register_security;
+        }
+    }
+
+    void trace_printer(const char* str) {
+        output.printf("\r\n%s\r\n", str);
+    }
+
+    void create_interface() {
+        // Creates M2MInterface using which endpoint can
+        // setup its name, resource type, life time, connection mode,
+        // Currently only LwIPv4 is supported.
+
+        // Randomizing listening port for Certificate mode connectivity
+        srand(time(NULL));
+        uint16_t port = rand() % 65535 + 12345;
+
+        _interface = M2MInterfaceFactory::create_interface(*this,
+                                                  ENDPOINT_NAME,
+                                                  "test",
+                                                  3600,
+                                                  port,
+                                                  MBED_USER_NAME_DOMAIN,
+                                                  SOCKET_MODE,
+                                                  M2MInterface::LwIP_IPv4,
+                                                  "");
+    }
+
+    bool register_successful() {
+        return _registered;
+    }
+
+    bool unregister_successful() {
+        return _unregistered;
+    }
+
+    M2MSecurity* create_register_object() {
+        // Creates register server object with mbed device server address and other parameters
+        // required for client to connect to mbed device server.
+        M2MSecurity *security = M2MInterfaceFactory::create_security(M2MSecurity::M2MServer);
+        if(security) {
+            security->set_resource_value(M2MSecurity::M2MServerUri, MBED_SERVER_ADDRESS);
+            security->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Certificate);
+            security->set_resource_value(M2MSecurity::ServerPublicKey,SERVER_CERT,sizeof(SERVER_CERT));
+            security->set_resource_value(M2MSecurity::PublicKey,CERT,sizeof(CERT));
+            security->set_resource_value(M2MSecurity::Secretkey,KEY,sizeof(KEY));
+        }
+        return security;
+    }
+
+    M2MDevice* create_device_object() {
+        // Creates device object which contains mandatory resources linked with
+        // device endpoint.
+        M2MDevice *device = M2MInterfaceFactory::create_device();
+        if(device) {
+            device->create_resource(M2MDevice::Manufacturer,MANUFACTURER);
+            device->create_resource(M2MDevice::DeviceType,TYPE);
+            device->create_resource(M2MDevice::ModelNumber,MODEL_NUMBER);
+            device->create_resource(M2MDevice::SerialNumber,SERIAL_NUMBER);
+        }
+        return device;
+    }
+
+    M2MObject* create_generic_object() {
+        _object = M2MInterfaceFactory::create_object("Test");
+        if(_object) {
+            M2MObjectInstance* inst = _object->create_object_instance();
+            if(inst) {
+                    M2MResource* res = inst->create_dynamic_resource("D",
+                                                                     "ResourceTest",
+                                                                     M2MResourceInstance::INTEGER,
+                                                                     true);
+                    char buffer[20];
+                    int size = sprintf(buffer,"%d",_value);
+                    res->set_operation(M2MBase::GET_PUT_ALLOWED);
+                    res->set_value((const uint8_t*)buffer,
+                                   (const uint32_t)size);
+                    _value++;
+
+                    inst->create_static_resource("S",
+                                                 "ResourceTest",
+                                                 M2MResourceInstance::STRING,
+                                                 STATIC_VALUE,
+                                                 sizeof(STATIC_VALUE)-1);
+            }
+        }
+        return _object;
+    }
+
+    void update_resource() {
+        if(_object) {
+            M2MObjectInstance* inst = _object->object_instance();
+            if(inst) {
+                    M2MResource* res = inst->resource("D");
+
+                    char buffer[20];
+                    int size = sprintf(buffer,"%d",_value);
+                    res->set_value((const uint8_t*)buffer,
+                                   (const uint32_t)size);
+                    _value++;
+                }
+        }
+    }
+
+    void test_register(M2MSecurity *register_object, M2MObjectList object_list){
+        if(_interface) {
+            // Register function
+            _interface->register_object(register_object, object_list);
+        }
+    }
+
+    void test_unregister() {
+        if(_interface) {
+            // Unregister function
+            _interface->unregister_object(NULL);
+        }
+    }
+
+    //Callback from mbed client stack when the bootstrap
+    // is successful, it returns the mbed Device Server object
+    // which will be used for registering the resources to
+    // mbed Device server.
+    void bootstrap_done(M2MSecurity *server_object){
+        if(server_object) {
+            _bootstrapped = true;
+            _error = false;
+            trace_printer("\nBootstrapped\n");
+        }
+    }
+
+    //Callback from mbed client stack when the registration
+    // is successful, it returns the mbed Device Server object
+    // to which the resources are registered and registered objects.
+    void object_registered(M2MSecurity */*security_object*/, const M2MServer &/*server_object*/){
+        _registered = true;
+        _unregistered = false;
+        trace_printer("\nRegistered\n");
+    }
+
+    //Callback from mbed client stack when the unregistration
+    // is successful, it returns the mbed Device Server object
+    // to which the resources were unregistered.
+    void object_unregistered(M2MSecurity */*server_object*/){
+        _unregistered = true;
+        _registered = false;
+        trace_printer("\nUnregistered\n");
+    }
+
+    void registration_updated(M2MSecurity */*security_object*/, const M2MServer & /*server_object*/){
+    }
+
+    //Callback from mbed client stack if any error is encountered
+    // during any of the LWM2M operations. Error type is passed in
+    // the callback.
+    void error(M2MInterface::Error error){
+        _error = true;
+        switch(error){
+            case M2MInterface::AlreadyExists:
+                trace_printer("[ERROR:] M2MInterface::AlreadyExists\n");
+                break;
+            case M2MInterface::BootstrapFailed:
+                trace_printer("[ERROR:] M2MInterface::BootstrapFailed\n");
+                break;
+            case M2MInterface::InvalidParameters:
+                trace_printer("[ERROR:] M2MInterface::InvalidParameters\n");
+                break;
+            case M2MInterface::NotRegistered:
+                trace_printer("[ERROR:] M2MInterface::NotRegistered\n");
+                break;
+            case M2MInterface::Timeout:
+                trace_printer("[ERROR:] M2MInterface::Timeout\n");
+                break;
+            case M2MInterface::NetworkError:
+                trace_printer("[ERROR:] M2MInterface::NetworkError\n");
+                break;
+            case M2MInterface::ResponseParseFailed:
+                trace_printer("[ERROR:] M2MInterface::ResponseParseFailed\n");
+                break;
+            case M2MInterface::UnknownError:
+                trace_printer("[ERROR:] M2MInterface::UnknownError\n");
+                break;
+            case M2MInterface::MemoryFail:
+                trace_printer("[ERROR:] M2MInterface::MemoryFail\n");
+                break;
+            case M2MInterface::NotAllowed:
+                trace_printer("[ERROR:] M2MInterface::NotAllowed\n");
+                break;
+            default:
+                break;
+        }
+    }
+
+    //Callback from mbed client stack if any value has changed
+    // during PUT operation. Object and its type is passed in
+    // the callback.
+    void value_updated(M2MBase *base, M2MBase::BaseType type) {
+        output.printf("\nValue updated of Object name %s and Type %d\n",
+               base->name().c_str(), type);
+    }
+
+    void test_update_register() {
+        if (_registered) {
+            _interface->update_registration(_register_security, 3600);
+        }
+    }
+
+   void set_register_object(M2MSecurity *register_object) {
+        if (_register_security == NULL) {
+            _register_security = register_object;
+        }
+    }
+
+private:
+
+    M2MInterface    	*_interface;
+    M2MSecurity         *_register_security;
+    M2MObject           *_object;
+    volatile bool       _bootstrapped;
+    volatile bool       _error;
+    volatile bool       _registered;
+    volatile bool       _unregistered;
+    int                 _value;
+};
+
+EthernetInterface eth;
+// Instantiate the class which implements
+// LWM2M Client API
+MbedClient mbed_client;
+
+// Set up Hardware interrupt button.
+InterruptIn obs_button(OBS_BUTTON);
+InterruptIn unreg_button(UNREG_BUTTON);
+
+// Network interaction must be performed outside of interrupt context
+volatile bool registered = false;
+const int REGISTER_SIGNAL = 0x2;
+osThreadId mainThread;
+
+void unregister() {
+    registered = false;
+    osSignalSet(mainThread, REGISTER_SIGNAL);
+}
+
+
+// Entry point to the program
+int main() {
+    // Keep track of the main thread
+    mainThread = osThreadGetId();
+
+    // Sets the console baud-rate
+    output.baud(115200);
+
+    // This sets up the network interface configuration which will be used
+    // by LWM2M Client API to communicate with mbed Device server.
+    eth.init(); //Use DHCP
+    eth.connect();
+
+    //lwipv4_socket_init();
+    output.printf("IP address %s\r\n", eth.getIPAddress());
+
+    // On press of SW3 button on K64F board, example application
+    // will call unregister API towards mbed Device Server
+    //unreg_button.fall(&mbed_client,&MbedClient::test_unregister);
+    unreg_button.fall(&unregister);
+
+    // On press of SW2 button on K64F board, example application
+    // will send observation towards mbed Device Server
+    obs_button.fall(&mbed_client,&MbedClient::update_resource);
+
+    // Create LWM2M Client API interface to manage register and unregister
+    mbed_client.create_interface();
+
+    // Create LWM2M server object specifying mbed device server
+    // information.
+    M2MSecurity* register_object = mbed_client.create_register_object();
+
+    // Create LWM2M device object specifying device resources
+    // as per OMA LWM2M specification.
+    M2MDevice* device_object = mbed_client.create_device_object();
+
+    // Create Generic object specifying custom resources
+    M2MObject* generic_object = mbed_client.create_generic_object();
+
+    // Add all the objects that you would like to register
+    // into the list and pass the list for register API.
+    M2MObjectList object_list;
+    object_list.push_back(device_object);
+    object_list.push_back(generic_object);
+
+    mbed_client.set_register_object(register_object);
+
+    // Register with mbed Device Connector
+    mbed_client.test_register(register_object, object_list);
+    registered = true;
+
+    while (registered) {
+        osSignalWait(REGISTER_SIGNAL, 25000);
+
+        if (registered) {
+            mbed_client.test_update_register();
+        } else {
+            break;
+        }
+    }
+
+    mbed_client.test_unregister();
+}
+
+