Ram Gandikota / Mbed OS ABCD
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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 #include <time.h>
00026 #else
00027 #include "sockets/UDPSocket.h"
00028 #ifdef SIXLOWPAN_INTERFACE
00029 #include "atmel-rf-driver/driverRFPhy.h"    // rf_device_register
00030 #include "mbed-mesh-api/Mesh6LoWPAN_ND.h"
00031 #endif
00032 #include "EthernetInterface.h"
00033 #include "test_env.h"
00034 // TODO: Remove when yotta supports init.
00035 #include "lwipv4_init.h"
00036 using namespace mbed::util;
00037 #endif
00038 
00039 #include "mbed-client/m2minterfacefactory.h"
00040 #include "mbed-client/m2mdevice.h"
00041 #include "mbed-client/m2minterfaceobserver.h"
00042 #include "mbed-client/m2minterface.h"
00043 #include "mbed-client/m2mobjectinstance.h"
00044 #include "mbed-client/m2mresource.h"
00045 #include "mbed-trace/mbed_trace.h"
00046 
00047 #ifdef TARGET_LIKE_LINUX
00048 static void ctrl_c_handle_function(void);
00049 typedef void (*signalhandler_t)(int); /* Function pointer type for ctrl-c */
00050 #else
00051 #if defined(TARGET_K64F)
00052 #define OBS_BUTTON SW2
00053 #define UNREG_BUTTON SW3
00054 #endif
00055 #endif
00056 
00057 bool _have_secure_conn = false;
00058 
00059 const unsigned char psk[] = {0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x30,0x31,0x32,0x33,0x34,0x35,0x36};
00060 const size_t psk_len = sizeof( psk );
00061 const unsigned char psk_identity[] = {0x0F,0x0F};
00062 const size_t psk_identity_len = sizeof( psk_identity );
00063 
00064 const uint8_t server_cert[] = "-----BEGIN CERTIFICATE-----\r\n"
00065 "MIIBmDCCAT6gAwIBAgIEVUCA0jAKBggqhkjOPQQDAjBLMQswCQYDVQQGEwJGSTEN\r\n"
00066 "MAsGA1UEBwwET3VsdTEMMAoGA1UECgwDQVJNMQwwCgYDVQQLDANJb1QxETAPBgNV\r\n"
00067 "BAMMCEFSTSBtYmVkMB4XDTE1MDQyOTA2NTc0OFoXDTE4MDQyOTA2NTc0OFowSzEL\r\n"
00068 "MAkGA1UEBhMCRkkxDTALBgNVBAcMBE91bHUxDDAKBgNVBAoMA0FSTTEMMAoGA1UE\r\n"
00069 "CwwDSW9UMREwDwYDVQQDDAhBUk0gbWJlZDBZMBMGByqGSM49AgEGCCqGSM49AwEH\r\n"
00070 "A0IABLuAyLSk0mA3awgFR5mw2RHth47tRUO44q/RdzFZnLsAsd18Esxd5LCpcT9w\r\n"
00071 "0tvNfBv4xJxGw0wcYrPDDb8/rjujEDAOMAwGA1UdEwQFMAMBAf8wCgYIKoZIzj0E\r\n"
00072 "AwIDSAAwRQIhAPAonEAkwixlJiyYRQQWpXtkMZax+VlEiS201BG0PpAzAiBh2RsD\r\n"
00073 "NxLKWwf4O7D6JasGBYf9+ZLwl0iaRjTjytO+Kw==\r\n"
00074 "-----END CERTIFICATE-----\r\n";
00075 
00076 const uint8_t cert[] = "-----BEGIN CERTIFICATE-----\r\n"
00077 "MIICTDCCAbWgAwIBAgIJAKI3S+LGklSGMA0GCSqGSIb3DQEBCwUAMD8xCzAJBgNV\r\n"
00078 "BAYTAkZJMRMwEQYDVQQIDApTb21lLVN0YXRlMQ0wCwYDVQQHDARPdWx1MQwwCgYD\r\n"
00079 "VQQKDANBUk0wHhcNMTUwNjExMTI0NTU1WhcNMTYwNjEwMTI0NTU1WjA/MQswCQYD\r\n"
00080 "VQQGEwJGSTETMBEGA1UECAwKU29tZS1TdGF0ZTENMAsGA1UEBwwET3VsdTEMMAoG\r\n"
00081 "A1UECgwDQVJNMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBt8ag12ILm2pn\r\n"
00082 "RHUc2yMBXpdzspDwVV3VDaNTRXypVUOq/nxJc6zr8yG/Pvga2/XVijWQDLABHVhV\r\n"
00083 "PoeulzXVSEHRR2bR2lhqulLzdUzPYJ+yJd4+082akoxdzoom8ms2LFlgiXO7lyBg\r\n"
00084 "1t74xjEQapCkr7Tdl2pD9OTUrcfoEwIDAQABo1AwTjAdBgNVHQ4EFgQUHK0O4iK7\r\n"
00085 "Rv8AsxAqRDlY3TSHWtUwHwYDVR0jBBgwFoAUHK0O4iK7Rv8AsxAqRDlY3TSHWtUw\r\n"
00086 "DAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOBgQAPVLihYN65DEeYdf7gDAdP\r\n"
00087 "MNH5RxsQlHdktQkYWcUewe3hvOf8yZUBbmO5OeEQmy5Ca2H1QhUuw+kWHo1l/K9g\r\n"
00088 "DpR1xoDACeycBd/6tAHfaFzTEEDC9Ug839EAHDrbI4ihrPEbP6hyRIaUIM4IojXf\r\n"
00089 "zuqwOcobS3idv8a9Npuohw==\r\n"
00090 "-----END CERTIFICATE-----\r\n";
00091 
00092 const uint8_t key[] = "-----BEGIN PRIVATE KEY-----\r\n"
00093 "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAMG3xqDXYgubamdE\r\n"
00094 "dRzbIwFel3OykPBVXdUNo1NFfKlVQ6r+fElzrOvzIb8++Brb9dWKNZAMsAEdWFU+\r\n"
00095 "h66XNdVIQdFHZtHaWGq6UvN1TM9gn7Il3j7TzZqSjF3OiibyazYsWWCJc7uXIGDW\r\n"
00096 "3vjGMRBqkKSvtN2XakP05NStx+gTAgMBAAECgYEAlRimNxsu6jIXJh4paSk8ewxb\r\n"
00097 "0v+n0GJT0uwpPakotofaihxOepYejIfX/IMxoDKVtmImsZUiTelRGGMFORpGomS7\r\n"
00098 "3Pb9awfn1yWiYja9MF7+pgFtXj6LxcB5rcxrP8s9rCs+kEq8yl/khGXmlwlpacUm\r\n"
00099 "Pdg1rEHriykk/5dlyKkCQQD9zpgQKN87bQNOVSgFSNsrwCjEN2MvVUC6ycqVYqQd\r\n"
00100 "oQZrO2lJuf57Jn7kRKJgfqqImwLYaohn5A9gKiqszo+fAkEAw2REr8L9aLoRPe5Q\r\n"
00101 "4+lYCmNmxJjBbJoRviSlxx+p5dxK+8H4J+bnFUWzORFJP0+Bjhii2UHGBoMjuP2s\r\n"
00102 "e8xDDQJADm0IrZp1Hb6TeodSkAJVGsaASq7PP2h8FmHT1uvVYi293Khy0pL0yPEm\r\n"
00103 "MzlHdW6dqMgOwFhFyonm6dNbu5i+BwJBALSPKfIKDMcEev5yBgo3Dga7iLJQPx4u\r\n"
00104 "2gqOLyvtlME3a4tu2fV1qUG9ITuxP7DjteMr3QFLiMVn1lETCpt0TNkCQGIvyjdV\r\n"
00105 "RzYnzLDMulXCsuRBjs0C75KoZrcPPQ416SZFtYASsOl3P0Ih5jgt/1aPmth3Yson\r\n"
00106 "GdnBOWyKzadLmz8=\r\n"
00107 "-----END PRIVATE KEY-----\r\n";
00108 
00109 const size_t server_cert_len = sizeof( server_cert );
00110 const size_t cert_len = sizeof( cert );
00111 const size_t key_len = sizeof( key );
00112 
00113 #ifdef TARGET_LIKE_LINUX
00114 
00115 #if defined (BOOTSTRAP_ENABLED)
00116 void* wait_for_bootstrap(void* arg) {
00117     MbedClient *client;
00118     client = (MbedClient*) arg;
00119     if(client->bootstrap_successful()) {
00120         printf("Registering endpoint\n");
00121 
00122         // Create LWM2M device object specifying device resources
00123         // as per OMA LWM2M specification.
00124         M2MDevice* device_object = client->create_device_object();
00125 
00126         M2MObject* object = client->create_generic_object();
00127 
00128         // Add all the objects that you would like to register
00129         // into the list and pass the list for register API.
00130         M2MObjectList object_list;
00131         object_list.push_back(device_object);
00132         object_list.push_back(object);
00133 
00134         // Issue register command.
00135         client->test_register(object_list);
00136     }
00137     return NULL;
00138 }
00139 #endif
00140 
00141 void* wait_for_unregister(void* arg) {
00142     MbedClient *client;
00143     client = (MbedClient*) arg;
00144     if(client->unregister_successful()) {
00145         printf("Unregistered done --> exiting\n");
00146         exit(1);
00147     }
00148     return NULL;
00149 }
00150 
00151 void* send_observation(void* arg) {
00152     MbedClient *client;
00153     client = (MbedClient*) arg;
00154     static uint8_t counter = 0;
00155     while(1) {
00156         sleep(1);
00157         if(counter >= 10 &&
00158            client->register_successful()) {
00159             printf("Sending observation\n");
00160             client->update_resource();
00161             counter = 0;
00162         }
00163         else
00164             counter++;
00165     }
00166     return NULL;
00167 }
00168 
00169 static MbedClient *m2mclient = NULL;
00170 
00171 static void ctrl_c_handle_function(void)
00172 {
00173     if(m2mclient && m2mclient->register_successful()) {
00174         printf("Unregistering endpoint\n");
00175         m2mclient->test_unregister();
00176     }
00177 }
00178 #else
00179 #ifdef SIXLOWPAN_INTERFACE
00180 volatile uint8_t mesh_network_state = MESH_DISCONNECTED;
00181 
00182 void mesh_network_callback(mesh_connection_status_t mesh_state)
00183 {
00184     tr_info("Network established");
00185     mesh_network_state = mesh_state;
00186 }
00187 #endif
00188 #endif
00189 
00190 void trace_printer(const char* str)
00191 {
00192   printf("%s\r\n", str);
00193 }
00194 
00195 #ifdef TARGET_LIKE_MBED
00196 void app_start(int /*argc*/, char* /*argv*/[]) {
00197 #else
00198 int main() {
00199 #endif
00200 
00201     // Instantiate the class which implements
00202     // mbed Client API
00203     MbedClient mbed_client;
00204 
00205 #ifdef TARGET_LIKE_LINUX
00206     pthread_t unregister_thread;
00207     pthread_t observation_thread;
00208 
00209     m2mclient = &mbed_client;
00210 
00211     mbed_trace_init();
00212     mbed_trace_print_function_set( trace_printer );
00213     mbed_trace_config_set(TRACE_MODE_COLOR|TRACE_ACTIVE_LEVEL_DEBUG|TRACE_CARRIAGE_RETURN);
00214 
00215     signal(SIGINT, (signalhandler_t)ctrl_c_handle_function);
00216 
00217 #else
00218     // This sets up the network interface configuration which will be used
00219     // by LWM2M Client API to communicate with mbed Device server.
00220 
00221 #ifdef SIXLOWPAN_INTERFACE
00222 
00223     Mesh6LoWPAN_ND *mesh_api = Mesh6LoWPAN_ND::getInstance();
00224     int8_t status;
00225 
00226     status = mesh_api->init(rf_device_register(), mesh_network_callback);
00227     if (status != MESH_ERROR_NONE)
00228     {
00229         tr_error("Mesh network initialization failed %d!", status);
00230         return 1;
00231     }
00232 
00233     status = mesh_api->connect();
00234     if (status != MESH_ERROR_NONE)
00235     {
00236         tr_error("Can't connect to mesh network!");
00237         return 1;
00238     }
00239 
00240     do
00241     {
00242         mesh_api->processEvent();
00243     } while(mesh_network_state != MESH_CONNECTED);
00244 
00245 
00246 #else
00247     EthernetInterface eth;
00248     eth.init(); //Use DHCP
00249     eth.connect();
00250 
00251     lwipv4_socket_init();
00252 #endif
00253 
00254     // Set up Hardware interrupt button.
00255     InterruptIn obs_button(OBS_BUTTON);
00256     InterruptIn unreg_button(UNREG_BUTTON);
00257 
00258     // On press of SW3 button on K64F board, example application
00259     // will call unregister API towards mbed Device Server
00260     unreg_button.fall(&mbed_client,&MbedClient::test_unregister);
00261 
00262     // On press of SW2 button on K64F board, example application
00263     // will send observation towards mbed Device Server
00264     obs_button.fall(&mbed_client,&MbedClient::update_resource);
00265 
00266 
00267 #endif
00268 
00269     // Create LWM2M Client API interface to manage bootstrap,
00270     // register and unregister
00271 
00272     //These 2 are defining the secure connection usage
00273     M2MSecurity::SecurityModeType mode = M2MSecurity::NoSecurity;
00274     _have_secure_conn = (mode == M2MSecurity::Certificate || mode == M2MSecurity::Psk);
00275     //    SecurityNotSet,
00276     //    Psk = 0,
00277     //    Certificate = 2,
00278     //    NoSecurity = 3
00279 
00280     mbed_client.create_interface();
00281 
00282 #ifdef TARGET_LIKE_LINUX
00283 
00284 #if defined (BOOTSTRAP_ENABLED)
00285     pthread_t bootstrap_thread;
00286     // Create LWM2M bootstrap object specifying bootstrap server
00287     // information.
00288     M2MSecurity* security_object = mbed_client.create_bootstrap_object(_have_secure_conn);
00289     // Issue bootstrap command.
00290     mbed_client.test_bootstrap(security_object);
00291 
00292     pthread_create(&bootstrap_thread, NULL, &wait_for_bootstrap, (void*) &mbed_client);
00293     pthread_join(bootstrap_thread, NULL);
00294 
00295 #else
00296     M2MSecurity *register_object = mbed_client.create_register_object(_have_secure_conn);
00297 
00298     if( mode == M2MSecurity::Certificate ){
00299         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Certificate);
00300         register_object->set_resource_value(M2MSecurity::ServerPublicKey,server_cert,server_cert_len);
00301         register_object->set_resource_value(M2MSecurity::PublicKey,cert,cert_len);
00302         register_object->set_resource_value(M2MSecurity::Secretkey,key,key_len);
00303     }else if( mode == M2MSecurity::Psk ){
00304         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Psk);
00305         register_object->set_resource_value(M2MSecurity::ServerPublicKey,psk_identity,psk_identity_len);
00306         register_object->set_resource_value(M2MSecurity::PublicKey,psk_identity,psk_identity_len);
00307         register_object->set_resource_value(M2MSecurity::Secretkey,psk,psk_len);
00308     }else{
00309         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::NoSecurity);
00310     }
00311 
00312     mbed_client.set_register_object(register_object);
00313     M2MDevice* device_object = mbed_client.create_device_object();
00314 
00315     M2MObject* object = mbed_client.create_generic_object();
00316 
00317     M2MObjectList object_list;
00318     object_list.push_back(device_object);
00319     object_list.push_back(object);
00320 
00321     mbed_client.test_register(object_list);
00322 #endif
00323 
00324     pthread_create(&observation_thread, NULL, &send_observation, (void*) &mbed_client);
00325     pthread_create(&unregister_thread, NULL, &wait_for_unregister, (void*) &mbed_client);
00326     pthread_join(unregister_thread, NULL);
00327 
00328 #else
00329 
00330 #if defined (BOOTSTRAP_ENABLED)
00331     // Create LWM2M bootstrap object specifying bootstrap server
00332     // information.
00333     M2MSecurity* security_object = mbed_client.create_bootstrap_object(_have_secure_conn);
00334 
00335     // Issue bootstrap command.
00336     mbed_client.test_bootstrap(security_object);
00337 
00338     // Wait till the bootstrap callback is called successfully.
00339     // Callback comes in bootstrap_done()
00340 #ifdef SIXLOWPAN_INTERFACE
00341     /* wait network to be established */
00342     do {
00343         mesh_interface_run();
00344     } while(!mbed_client.bootstrap_successful());
00345 #else
00346     while (!mbed_client.bootstrap_successful()) { __WFI(); }
00347 #endif
00348 
00349 #else
00350 
00351     M2MSecurity *register_object = mbed_client.create_register_object(_have_secure_conn);
00352 
00353     if( mode == M2MSecurity::Certificate ){
00354         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Certificate);
00355         register_object->set_resource_value(M2MSecurity::ServerPublicKey,server_cert,server_cert_len);
00356         register_object->set_resource_value(M2MSecurity::PublicKey,cert,cert_len);
00357         register_object->set_resource_value(M2MSecurity::Secretkey,key,key_len);
00358     }else if( mode == M2MSecurity::Psk ){
00359         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::Psk);
00360         register_object->set_resource_value(M2MSecurity::ServerPublicKey,psk_identity,psk_identity_len);
00361         register_object->set_resource_value(M2MSecurity::PublicKey,psk_identity,psk_identity_len);
00362         register_object->set_resource_value(M2MSecurity::Secretkey,psk,psk_len);
00363     }else{
00364         register_object->set_resource_value(M2MSecurity::SecurityMode, M2MSecurity::NoSecurity);
00365     }
00366 
00367     mbed_client.set_register_object(register_object);
00368 
00369 #endif
00370 
00371     // Create LWM2M device object specifying device resources
00372     // as per OMA LWM2M specification.
00373     M2MDevice* device_object = mbed_client.create_device_object();
00374 
00375     M2MObject* object = mbed_client.create_generic_object();
00376 
00377     // Add all the objects that you would like to register
00378     // into the list and pass the list for register API.
00379     M2MObjectList object_list;
00380     object_list.push_back(device_object);
00381     object_list.push_back(object);
00382 
00383     // Issue register command.
00384 
00385     FunctionPointer1<void, M2MObjectList> fp(&mbed_client, &MbedClient::test_register);
00386     minar::Scheduler::postCallback(fp.bind(object_list));
00387 
00388     minar::Scheduler::start();
00389 
00390     // Wait till the register callback is called successfully.
00391     // Callback comes in object_registered()
00392 #ifdef SIXLOWPAN_INTERFACE
00393     /* wait network to be established */
00394     do {
00395         mesh_api->processEvent();
00396     } while(!mbed_client.register_successful());
00397 #endif
00398 
00399     // Wait for the unregister successful callback,
00400     // Callback comes in object_unregsitered(), this will be
00401     // waiting for user to press SW2 button on K64F board.
00402 #ifdef SIXLOWPAN_INTERFACE
00403     /* wait network to be established */
00404     do {
00405         mesh_api->processEvent();
00406     } while(!mbed_client.unregister_successful());
00407 #endif
00408 
00409 
00410 #if defined(BOOTSTRAP_ENABLED)
00411     // This will turn on the LED on the board specifying that
00412     // the application has run successfully.
00413     notify_completion(mbed_client.unregister_successful() &&
00414                       mbed_client.register_successful() &&
00415                       mbed_client.bootstrap_successful());
00416 
00417     // Delete security object created for bootstrapping
00418     if(security_object) {
00419         delete security_object;
00420     }
00421 
00422 #else
00423 
00424     // Disconnect the connect and teardown the network interface
00425 #ifdef SIXLOWPAN_INTERFACE
00426     mesh_api->disconnect();
00427 #else
00428     eth.disconnect();
00429 #endif
00430 #endif //BOOTSTRAP_ENABLED
00431 
00432     // Delete device object created for registering device
00433     // resources.
00434     if(device_object) {
00435         M2MDevice::delete_instance();
00436     }
00437     if(object) {
00438         delete object;
00439     }
00440 
00441 #endif //TARGET_LIKE_LINUX
00442 
00443 #ifndef TARGET_LIKE_MBED
00444 return 0;
00445 #endif
00446 }