main.cpp

00001 /*
00002  * Copyright (c) 2015 ARM Limited. All rights reserved.
00003  * SPDX-License-Identifier: Apache-2.0
00004  * Licensed under the Apache License, Version 2.0 (the License); you may
00005  * not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "mbedclient.h"
00018 
00019 #ifdef TARGET_LIKE_LINUX
00020 #include <unistd.h>
00021 #include <stdio.h>
00022 #include <stdarg.h>
00023 #include <pthread.h>
00024 #include <signal.h> /* For SIGIGN and SIGINT */
00025 #else
00026 #include "sockets/UDPSocket.h"
00027 #ifdef SIXLOWPAN_INTERFACE
00028 #include "atmel-rf-driver/driverRFPhy.h"    // rf_device_register
00029 #include "mbed-mesh-api/Mesh6LoWPAN_ND.h"
00030 #endif
00031 #include "EthernetInterface.h"
00032 #include "test_env.h"
00033 // TODO: Remove when yotta supports init.
00034 #include "lwipv4_init.h"
00035 using namespace mbed::util;
00036 #endif
00037 
00038 #include "mbed-client/m2minterfacefactory.h"
00039 #include "mbed-client/m2mdevice.h"
00040 #include "mbed-client/m2minterfaceobserver.h"
00041 #include "mbed-client/m2minterface.h"
00042 #include "mbed-client/m2mobjectinstance.h"
00043 #include "mbed-client/m2mresource.h"
00044 #include "mbed-trace/mbed_trace.h"
00045 
00046 #ifdef TARGET_LIKE_LINUX
00047 static void ctrl_c_handle_function(void);
00048 typedef void (*signalhandler_t)(int); /* Function pointer type for ctrl-c */
00049 #else
00050 #if defined(TARGET_K64F)
00051 #define OBS_BUTTON SW2
00052 #define UNREG_BUTTON SW3
00053 #endif
00054 #endif
00055 
00056 bool _have_secure_conn = false;
00057 
00058 const unsigned char psk[] = {0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x30,0x31,0x32,0x33,0x34,0x35,0x36};
00059 const size_t psk_len = sizeof( psk );
00060 const unsigned char psk_identity[] = {0x0F,0x0F};
00061 const size_t psk_identity_len = sizeof( psk_identity );
00062 
00063 const uint8_t server_cert[] = "-----BEGIN CERTIFICATE-----\r\n"
00064 "MIIBmDCCAT6gAwIBAgIEVUCA0jAKBggqhkjOPQQDAjBLMQswCQYDVQQGEwJGSTEN\r\n"
00065 "MAsGA1UEBwwET3VsdTEMMAoGA1UECgwDQVJNMQwwCgYDVQQLDANJb1QxETAPBgNV\r\n"
00066 "BAMMCEFSTSBtYmVkMB4XDTE1MDQyOTA2NTc0OFoXDTE4MDQyOTA2NTc0OFowSzEL\r\n"
00067 "MAkGA1UEBhMCRkkxDTALBgNVBAcMBE91bHUxDDAKBgNVBAoMA0FSTTEMMAoGA1UE\r\n"
00068 "CwwDSW9UMREwDwYDVQQDDAhBUk0gbWJlZDBZMBMGByqGSM49AgEGCCqGSM49AwEH\r\n"
00069 "A0IABLuAyLSk0mA3awgFR5mw2RHth47tRUO44q/RdzFZnLsAsd18Esxd5LCpcT9w\r\n"
00070 "0tvNfBv4xJxGw0wcYrPDDb8/rjujEDAOMAwGA1UdEwQFMAMBAf8wCgYIKoZIzj0E\r\n"
00071 "AwIDSAAwRQIhAPAonEAkwixlJiyYRQQWpXtkMZax+VlEiS201BG0PpAzAiBh2RsD\r\n"
00072 "NxLKWwf4O7D6JasGBYf9+ZLwl0iaRjTjytO+Kw==\r\n"
00073 "-----END CERTIFICATE-----\r\n";
00074 
00075 const uint8_t cert[] = "-----BEGIN CERTIFICATE-----\r\n"
00076 "MIICTDCCAbWgAwIBAgIJAKI3S+LGklSGMA0GCSqGSIb3DQEBCwUAMD8xCzAJBgNV\r\n"
00077 "BAYTAkZJMRMwEQYDVQQIDApTb21lLVN0YXRlMQ0wCwYDVQQHDARPdWx1MQwwCgYD\r\n"
00078 "VQQKDANBUk0wHhcNMTUwNjExMTI0NTU1WhcNMTYwNjEwMTI0NTU1WjA/MQswCQYD\r\n"
00079 "VQQGEwJGSTETMBEGA1UECAwKU29tZS1TdGF0ZTENMAsGA1UEBwwET3VsdTEMMAoG\r\n"
00080 "A1UECgwDQVJNMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBt8ag12ILm2pn\r\n"
00081 "RHUc2yMBXpdzspDwVV3VDaNTRXypVUOq/nxJc6zr8yG/Pvga2/XVijWQDLABHVhV\r\n"
00082 "PoeulzXVSEHRR2bR2lhqulLzdUzPYJ+yJd4+082akoxdzoom8ms2LFlgiXO7lyBg\r\n"
00083 "1t74xjEQapCkr7Tdl2pD9OTUrcfoEwIDAQABo1AwTjAdBgNVHQ4EFgQUHK0O4iK7\r\n"
00084 "Rv8AsxAqRDlY3TSHWtUwHwYDVR0jBBgwFoAUHK0O4iK7Rv8AsxAqRDlY3TSHWtUw\r\n"
00085 "DAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOBgQAPVLihYN65DEeYdf7gDAdP\r\n"
00086 "MNH5RxsQlHdktQkYWcUewe3hvOf8yZUBbmO5OeEQmy5Ca2H1QhUuw+kWHo1l/K9g\r\n"
00087 "DpR1xoDACeycBd/6tAHfaFzTEEDC9Ug839EAHDrbI4ihrPEbP6hyRIaUIM4IojXf\r\n"
00088 "zuqwOcobS3idv8a9Npuohw==\r\n"
00089 "-----END CERTIFICATE-----\r\n";
00090 
00091 const uint8_t key[] = "-----BEGIN PRIVATE KEY-----\r\n"
00092 "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAMG3xqDXYgubamdE\r\n"
00093 "dRzbIwFel3OykPBVXdUNo1NFfKlVQ6r+fElzrOvzIb8++Brb9dWKNZAMsAEdWFU+\r\n"
00094 "h66XNdVIQdFHZtHaWGq6UvN1TM9gn7Il3j7TzZqSjF3OiibyazYsWWCJc7uXIGDW\r\n"
00095 "3vjGMRBqkKSvtN2XakP05NStx+gTAgMBAAECgYEAlRimNxsu6jIXJh4paSk8ewxb\r\n"
00096 "0v+n0GJT0uwpPakotofaihxOepYejIfX/IMxoDKVtmImsZUiTelRGGMFORpGomS7\r\n"
00097 "3Pb9awfn1yWiYja9MF7+pgFtXj6LxcB5rcxrP8s9rCs+kEq8yl/khGXmlwlpacUm\r\n"
00098 "Pdg1rEHriykk/5dlyKkCQQD9zpgQKN87bQNOVSgFSNsrwCjEN2MvVUC6ycqVYqQd\r\n"
00099 "oQZrO2lJuf57Jn7kRKJgfqqImwLYaohn5A9gKiqszo+fAkEAw2REr8L9aLoRPe5Q\r\n"
00100 "4+lYCmNmxJjBbJoRviSlxx+p5dxK+8H4J+bnFUWzORFJP0+Bjhii2UHGBoMjuP2s\r\n"
00101 "e8xDDQJADm0IrZp1Hb6TeodSkAJVGsaASq7PP2h8FmHT1uvVYi293Khy0pL0yPEm\r\n"
00102 "MzlHdW6dqMgOwFhFyonm6dNbu5i+BwJBALSPKfIKDMcEev5yBgo3Dga7iLJQPx4u\r\n"
00103 "2gqOLyvtlME3a4tu2fV1qUG9ITuxP7DjteMr3QFLiMVn1lETCpt0TNkCQGIvyjdV\r\n"
00104 "RzYnzLDMulXCsuRBjs0C75KoZrcPPQ416SZFtYASsOl3P0Ih5jgt/1aPmth3Yson\r\n"
00105 "GdnBOWyKzadLmz8=\r\n"
00106 "-----END PRIVATE KEY-----\r\n";
00107 
00108 const size_t server_cert_len = sizeof( server_cert );
00109 const size_t cert_len = sizeof( cert );
00110 const size_t key_len = sizeof( key );
00111 
00112 #ifdef TARGET_LIKE_LINUX
00113 
00114 #if defined (BOOTSTRAP_ENABLED)
00115 void* wait_for_bootstrap(void* arg) {
00116     MbedClient *client;
00117     client = (MbedClient*) arg;
00118     if(client->bootstrap_successful()) {
00119         printf("Registering endpoint\n");
00120 
00121         // Create LWM2M device object specifying device resources
00122         // as per OMA LWM2M specification.
00123         M2MDevice* device_object = client->create_device_object();
00124 
00125         M2MObject* object = client->create_generic_object();
00126 
00127         // Add all the objects that you would like to register
00128         // into the list and pass the list for register API.
00129         M2MObjectList object_list;
00130         object_list.push_back(device_object);
00131         object_list.push_back(object);
00132 
00133         // Issue register command.
00134         client->test_register(object_list);
00135     }
00136     return NULL;
00137 }
00138 #endif
00139 
00140 void* wait_for_unregister(void* arg) {
00141     MbedClient *client;
00142     client = (MbedClient*) arg;
00143     if(client->unregister_successful()) {
00144         printf("Unregistered done --> exiting\n");
00145         exit(1);
00146     }
00147     return NULL;
00148 }
00149 
00150 void* send_observation(void* arg) {
00151     MbedClient *client;
00152     client = (MbedClient*) arg;
00153     static uint8_t counter = 0;
00154     while(1) {
00155         sleep(1);
00156         if(counter >= 10 &&
00157            client->register_successful()) {
00158             printf("Sending observation\n");
00159             client->update_resource();
00160             counter = 0;
00161         }
00162         else
00163             counter++;
00164     }
00165     return NULL;
00166 }
00167 
00168 static MbedClient *m2mclient = NULL;
00169 
00170 static void ctrl_c_handle_function(void)
00171 {
00172     if(m2mclient && m2mclient->register_successful()) {
00173         printf("Unregistering endpoint\n");
00174         m2mclient->test_unregister();
00175     }
00176 }
00177 #else
00178 #ifdef SIXLOWPAN_INTERFACE
00179 volatile uint8_t mesh_network_state = MESH_DISCONNECTED;
00180 
00181 void mesh_network_callback(mesh_connection_status_t mesh_state)
00182 {
00183     tr_info("Network established");
00184     mesh_network_state = mesh_state;
00185 }
00186 #endif
00187 #endif
00188 
00189 void trace_printer(const char* str)
00190 {
00191   printf("%s\r\n", str);
00192 }
00193 
00194 #ifdef TARGET_LIKE_MBED
00195 void app_start(int /*argc*/, char* /*argv*/[]) {
00196 #else
00197 int main() {
00198 #endif
00199 
00200     // Instantiate the class which implements
00201     // mbed Client API
00202     MbedClient mbed_client;
00203 
00204 #ifdef TARGET_LIKE_LINUX
00205     pthread_t unregister_thread;
00206     pthread_t observation_thread;
00207 
00208     m2mclient = &mbed_client;
00209 
00210     mbed_trace_init();
00211     mbed_trace_print_function_set( trace_printer );
00212     mbed_trace_config_set(TRACE_MODE_COLOR|TRACE_ACTIVE_LEVEL_DEBUG|TRACE_CARRIAGE_RETURN);
00213 
00214     signal(SIGINT, (signalhandler_t)ctrl_c_handle_function);
00215 
00216 #else
00217     // This sets up the network interface configuration which will be used
00218     // by LWM2M Client API to communicate with mbed Device server.
00219 
00220 #ifdef SIXLOWPAN_INTERFACE
00221 
00222     Mesh6LoWPAN_ND *mesh_api = Mesh6LoWPAN_ND::getInstance();
00223     int8_t status;
00224 
00225     status = mesh_api->init(rf_device_register(), mesh_network_callback);
00226     if (status != MESH_ERROR_NONE)
00227     {
00228         tr_error("Mesh network initialization failed %d!", status);
00229         return 1;
00230     }
00231 
00232     status = mesh_api->connect();
00233     if (status != MESH_ERROR_NONE)
00234     {
00235         tr_error("Can't connect to mesh network!");
00236         return 1;
00237     }
00238 
00239     do
00240     {
00241         mesh_api->processEvent();
00242     } while(mesh_network_state != MESH_CONNECTED);
00243 
00244 
00245 #else
00246     EthernetInterface eth;
00247     eth.init(); //Use DHCP
00248     eth.connect();
00249 
00250     lwipv4_socket_init();
00251 #endif
00252 
00253     // Set up Hardware interrupt button.
00254     InterruptIn obs_button(OBS_BUTTON);
00255     InterruptIn unreg_button(UNREG_BUTTON);
00256 
00257     // On press of SW3 button on K64F board, example application
00258     // will call unregister API towards mbed Device Server
00259     unreg_button.fall(&mbed_client,&MbedClient::test_unregister);
00260 
00261     // On press of SW2 button on K64F board, example application
00262     // will send observation towards mbed Device Server
00263     obs_button.fall(&mbed_client,&MbedClient::update_resource);
00264 
00265 
00266 #endif
00267 
00268     // Create LWM2M Client API interface to manage bootstrap,
00269     // register and unregister
00270 
00271     //These 2 are defining the secure connection usage
00272     M2MSecurity::SecurityModeType mode = M2MSecurity::NoSecurity;
00273     _have_secure_conn = (mode == M2MSecurity::Certificate || mode == M2MSecurity::Psk);
00274     //    SecurityNotSet,
00275     //    Psk = 0,
00276     //    Certificate = 2,
00277     //    NoSecurity = 3
00278 
00279     mbed_client.create_interface();
00280 
00281 #ifdef TARGET_LIKE_LINUX
00282 
00283 #if defined (BOOTSTRAP_ENABLED)
00284     pthread_t bootstrap_thread;
00285     // Create LWM2M bootstrap object specifying bootstrap server
00286     // information.
00287     M2MSecurity* security_object = mbed_client.create_bootstrap_object(_have_secure_conn);
00288     // Issue bootstrap command.
00289     mbed_client.test_bootstrap(security_object);
00290 
00291     pthread_create(&bootstrap_thread, NULL, &wait_for_bootstrap, (void*) &mbed_client);
00292     pthread_join(bootstrap_thread, NULL);
00293 
00294 #else
00295     M2MSecurity *register_object = mbed_client.create_register_object(_have_secure_conn);
00296 
00297     if( mode == M2MSecurity::Certificate ){
00298         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Certificate);
00299         register_object->set_resource_value(M2MSecurity::ServerPublicKey,server_cert,server_cert_len);
00300         register_object->set_resource_value(M2MSecurity::PublicKey,cert,cert_len);
00301         register_object->set_resource_value(M2MSecurity::Secretkey,key,key_len);
00302     }else if( mode == M2MSecurity::Psk ){
00303         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Psk);
00304         register_object->set_resource_value(M2MSecurity::ServerPublicKey,psk_identity,psk_identity_len);
00305         register_object->set_resource_value(M2MSecurity::PublicKey,psk_identity,psk_identity_len);
00306         register_object->set_resource_value(M2MSecurity::Secretkey,psk,psk_len);
00307     }else{
00308         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::NoSecurity);
00309     }
00310 
00311     mbed_client.set_register_object(register_object);
00312     M2MDevice* device_object = mbed_client.create_device_object();
00313 
00314     M2MObject* object = mbed_client.create_generic_object();
00315 
00316     M2MObjectList object_list;
00317     object_list.push_back(device_object);
00318     object_list.push_back(object);
00319 
00320     mbed_client.test_register(object_list);
00321 #endif
00322 
00323     pthread_create(&observation_thread, NULL, &send_observation, (void*) &mbed_client);
00324     pthread_create(&unregister_thread, NULL, &wait_for_unregister, (void*) &mbed_client);
00325     pthread_join(unregister_thread, NULL);
00326 
00327 #else
00328 
00329 #if defined (BOOTSTRAP_ENABLED)
00330     // Create LWM2M bootstrap object specifying bootstrap server
00331     // information.
00332     M2MSecurity* security_object = mbed_client.create_bootstrap_object(_have_secure_conn);
00333 
00334     // Issue bootstrap command.
00335     mbed_client.test_bootstrap(security_object);
00336 
00337     // Wait till the bootstrap callback is called successfully.
00338     // Callback comes in bootstrap_done()
00339 #ifdef SIXLOWPAN_INTERFACE
00340     /* wait network to be established */
00341     do {
00342         mesh_interface_run();
00343     } while(!mbed_client.bootstrap_successful());
00344 #else
00345     while (!mbed_client.bootstrap_successful()) { __WFI(); }
00346 #endif
00347 
00348 #else
00349 
00350     M2MSecurity *register_object = mbed_client.create_register_object(_have_secure_conn);
00351 
00352     if( mode == M2MSecurity::Certificate ){
00353         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Certificate);
00354         register_object->set_resource_value(M2MSecurity::ServerPublicKey,server_cert,server_cert_len);
00355         register_object->set_resource_value(M2MSecurity::PublicKey,cert,cert_len);
00356         register_object->set_resource_value(M2MSecurity::Secretkey,key,key_len);
00357     }else if( mode == M2MSecurity::Psk ){
00358         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Psk);
00359         register_object->set_resource_value(M2MSecurity::ServerPublicKey,psk_identity,psk_identity_len);
00360         register_object->set_resource_value(M2MSecurity::PublicKey,psk_identity,psk_identity_len);
00361         register_object->set_resource_value(M2MSecurity::Secretkey,psk,psk_len);
00362     }else{
00363         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::NoSecurity);
00364     }
00365 
00366     mbed_client.set_register_object(register_object);
00367 
00368 #endif
00369 
00370     // Create LWM2M device object specifying device resources
00371     // as per OMA LWM2M specification.
00372     M2MDevice* device_object = mbed_client.create_device_object();
00373 
00374     M2MObject* object = mbed_client.create_generic_object();
00375 
00376     // Add all the objects that you would like to register
00377     // into the list and pass the list for register API.
00378     M2MObjectList object_list;
00379     object_list.push_back(device_object);
00380     object_list.push_back(object);
00381 
00382     // Issue register command.
00383 
00384     FunctionPointer1<void, M2MObjectList> fp(&mbed_client, &MbedClient::test_register);
00385     minar::Scheduler::postCallback(fp.bind(object_list));
00386 
00387     minar::Scheduler::start();
00388 
00389     // Wait till the register callback is called successfully.
00390     // Callback comes in object_registered()
00391 #ifdef SIXLOWPAN_INTERFACE
00392     /* wait network to be established */
00393     do {
00394         mesh_api->processEvent();
00395     } while(!mbed_client.register_successful());
00396 #endif
00397 
00398     // Wait for the unregister successful callback,
00399     // Callback comes in object_unregsitered(), this will be
00400     // waiting for user to press SW2 button on K64F board.
00401 #ifdef SIXLOWPAN_INTERFACE
00402     /* wait network to be established */
00403     do {
00404         mesh_api->processEvent();
00405     } while(!mbed_client.unregister_successful());
00406 #endif
00407 
00408 
00409 #if defined(BOOTSTRAP_ENABLED)
00410     // This will turn on the LED on the board specifying that
00411     // the application has run successfully.
00412     notify_completion(mbed_client.unregister_successful() &&
00413                       mbed_client.register_successful() &&
00414                       mbed_client.bootstrap_successful());
00415 
00416     // Delete security object created for bootstrapping
00417     if(security_object) {
00418         delete security_object;
00419     }
00420 
00421 #else
00422 
00423     // Disconnect the connect and teardown the network interface
00424 #ifdef SIXLOWPAN_INTERFACE
00425     mesh_api->disconnect();
00426 #else
00427     eth.disconnect();
00428 #endif
00429 #endif //BOOTSTRAP_ENABLED
00430 
00431     // Delete device object created for registering device
00432     // resources.
00433     if(device_object) {
00434         M2MDevice::delete_instance();
00435     }
00436     if(object) {
00437         delete object;
00438     }
00439 
00440 #endif //TARGET_LIKE_LINUX
00441 
00442 #ifndef TARGET_LIKE_MBED
00443 return 0;
00444 #endif
00445 }