Cumulocity Official / Mbed 2 deprecated MbedSmartRestMain Featured

Official reference client implementation for Cumulocity SmartREST on u-blox C027.

Dependencies:   C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed

Fork of MbedSmartRestMain by Vincent Wochnik

DeviceBootstrap.cpp@60:3c822f97fc73, 2014-10-24 (annotated)

Committer:
vwochnik
Date:
Fri Oct 24 15:00:36 2014 +0000
Revision:
60:3c822f97fc73
Parent:
55:a0f7295ed6b6
Child:
65:a62dbef2f924
operation thread + funcs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Cumulocity 41:804f6a0bda26 1 #include "DeviceBootstrap.h"
Cumulocity 41:804f6a0bda26 2 #include <stdlib.h>
Cumulocity 41:804f6a0bda26 3 #include <stdio.h>
Cumulocity 41:804f6a0bda26 4 #include <string.h>
Cumulocity 41:804f6a0bda26 5 #include "rtos.h"
Cumulocity 41:804f6a0bda26 6 #include "ComposedRecord.h"
Cumulocity 41:804f6a0bda26 7 #include "CharValue.h"
Cumulocity 41:804f6a0bda26 8 #include "IntegerValue.h"
Cumulocity 41:804f6a0bda26 9 #include "ParsedRecord.h"
Cumulocity 41:804f6a0bda26 10
vwochnik 55:a0f7295ed6b6 11 DeviceBootstrap::DeviceBootstrap(AbstractSmartRest& client, MDMSerial& mdm, DeviceIO& io, DeviceInfo& deviceInfo) :
Cumulocity 41:804f6a0bda26 12 _client(client),
Cumulocity 41:804f6a0bda26 13 _mdm(mdm),
vwochnik 52:8f1370084268 14 _io(io),
Cumulocity 41:804f6a0bda26 15 _deviceInfo(deviceInfo)
Cumulocity 41:804f6a0bda26 16 {
Cumulocity 41:804f6a0bda26 17 *_username = *_password = '\0';
Cumulocity 41:804f6a0bda26 18 }
Cumulocity 41:804f6a0bda26 19
Cumulocity 41:804f6a0bda26 20 bool DeviceBootstrap::setUpCredentials()
Cumulocity 41:804f6a0bda26 21 {
vwochnik 60:3c822f97fc73 22 strcpy(_username, "vaillant/admin");
vwochnik 60:3c822f97fc73 23 strcpy(_password, "klanpi");
vwochnik 60:3c822f97fc73 24
Cumulocity 41:804f6a0bda26 25 if (((*_username == '\0') || (*_password == '\0')) &&
Cumulocity 41:804f6a0bda26 26 (!obtainFromStorage())) {
Cumulocity 41:804f6a0bda26 27 if (!obtainFromPlatform())
Cumulocity 41:804f6a0bda26 28 return false;
Cumulocity 41:804f6a0bda26 29 if (!writeToStorage())
Cumulocity 41:804f6a0bda26 30 puts("Warning: Could not write credentials to file!");
Cumulocity 41:804f6a0bda26 31 }
Cumulocity 41:804f6a0bda26 32
Cumulocity 41:804f6a0bda26 33 if (_client.setAuthorization(_username, _password) != SMARTREST_SUCCESS)
Cumulocity 41:804f6a0bda26 34 return false;
Cumulocity 41:804f6a0bda26 35 return true;
Cumulocity 41:804f6a0bda26 36 }
Cumulocity 41:804f6a0bda26 37
Cumulocity 46:f6976fd64387 38 const char * DeviceBootstrap::username()
Cumulocity 46:f6976fd64387 39 {
Cumulocity 46:f6976fd64387 40 return _username;
Cumulocity 46:f6976fd64387 41 }
Cumulocity 46:f6976fd64387 42
Cumulocity 46:f6976fd64387 43 const char * DeviceBootstrap::password()
Cumulocity 46:f6976fd64387 44 {
Cumulocity 46:f6976fd64387 45 return _password;
Cumulocity 46:f6976fd64387 46 }
Cumulocity 46:f6976fd64387 47
Cumulocity 41:804f6a0bda26 48 bool DeviceBootstrap::obtainFromStorage()
Cumulocity 41:804f6a0bda26 49 {
Cumulocity 41:804f6a0bda26 50 char buf[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH*2+2], *ptr;
Cumulocity 42:104746744af8 51
Cumulocity 41:804f6a0bda26 52 int res = _mdm.readFile(CREDENTIALS_FILE, buf, sizeof(buf));
Cumulocity 41:804f6a0bda26 53 if (res < 0)
Cumulocity 41:804f6a0bda26 54 return false;
Cumulocity 41:804f6a0bda26 55
Cumulocity 41:804f6a0bda26 56 buf[res] = '\0';
Cumulocity 41:804f6a0bda26 57 if ((ptr = strchr(buf, '\n')) == NULL)
Cumulocity 41:804f6a0bda26 58 return false;
Cumulocity 41:804f6a0bda26 59 *ptr = '\0';
Cumulocity 41:804f6a0bda26 60
Cumulocity 41:804f6a0bda26 61 ptr = buf;
Cumulocity 41:804f6a0bda26 62 strcpy(_username, ptr);
Cumulocity 41:804f6a0bda26 63 ptr += strlen(ptr)+1;
Cumulocity 41:804f6a0bda26 64 strcpy(_password, ptr);
Cumulocity 41:804f6a0bda26 65 return true;
Cumulocity 41:804f6a0bda26 66 }
Cumulocity 41:804f6a0bda26 67
Cumulocity 41:804f6a0bda26 68 bool DeviceBootstrap::obtainFromPlatform()
Cumulocity 41:804f6a0bda26 69 {
Cumulocity 41:804f6a0bda26 70 uint8_t ret;
vwochnik 52:8f1370084268 71 uint8_t tries;
Cumulocity 41:804f6a0bda26 72
Cumulocity 41:804f6a0bda26 73 ComposedRecord record;
Cumulocity 41:804f6a0bda26 74 ParsedRecord recvdRecord;
Cumulocity 41:804f6a0bda26 75
Cumulocity 41:804f6a0bda26 76 IntegerValue msgId(61);
vwochnik 52:8f1370084268 77 CharValue identifier(_deviceInfo.imei());
Cumulocity 41:804f6a0bda26 78 if ((!record.add(msgId)) || (!record.add(identifier)))
Cumulocity 41:804f6a0bda26 79 return false;
Cumulocity 41:804f6a0bda26 80
Cumulocity 41:804f6a0bda26 81 // set authorization for bootstrap
Cumulocity 41:804f6a0bda26 82 if (_client.setAuthorization(DEVICE_BOOTSTRAP_USERNAME, DEVICE_BOOTSTRAP_PASSWORD) != SMARTREST_SUCCESS)
Cumulocity 41:804f6a0bda26 83 return false;
Cumulocity 41:804f6a0bda26 84
vwochnik 52:8f1370084268 85 _io.lcdPrint("BOOTSTRAP", _deviceInfo.imei());
vwochnik 52:8f1370084268 86
vwochnik 52:8f1370084268 87 tries = 255;
vwochnik 52:8f1370084268 88 do {
Cumulocity 41:804f6a0bda26 89 if (_client.send(record, "") != SMARTREST_SUCCESS) {
Cumulocity 41:804f6a0bda26 90 _client.stop();
Cumulocity 41:804f6a0bda26 91 Thread::wait(2000);
Cumulocity 41:804f6a0bda26 92 continue;
Cumulocity 41:804f6a0bda26 93 }
Cumulocity 41:804f6a0bda26 94
Cumulocity 41:804f6a0bda26 95 if (_client.receive(recvdRecord) != SMARTREST_SUCCESS) {
Cumulocity 41:804f6a0bda26 96 _client.stop();
Cumulocity 41:804f6a0bda26 97 Thread::wait(2000);
Cumulocity 41:804f6a0bda26 98 continue;
Cumulocity 41:804f6a0bda26 99 }
Cumulocity 42:104746744af8 100 _client.stop();
Cumulocity 41:804f6a0bda26 101
Cumulocity 42:104746744af8 102 for (size_t q = 0; q < recvdRecord.values(); q++)
Cumulocity 42:104746744af8 103 puts(recvdRecord.rawValue(q));
Cumulocity 42:104746744af8 104
Cumulocity 41:804f6a0bda26 105 if ((recvdRecord.values() < 1) ||
Cumulocity 41:804f6a0bda26 106 (recvdRecord.value(0).integerValue() == 50)) {
Cumulocity 41:804f6a0bda26 107 Thread::wait(2000);
Cumulocity 41:804f6a0bda26 108 continue;
Cumulocity 41:804f6a0bda26 109 }
Cumulocity 41:804f6a0bda26 110
Cumulocity 41:804f6a0bda26 111 if ((recvdRecord.value(0).integerValue() != 70) ||
Cumulocity 41:804f6a0bda26 112 (recvdRecord.values() != 6)) {
Cumulocity 41:804f6a0bda26 113 return false;
Cumulocity 41:804f6a0bda26 114 }
Cumulocity 41:804f6a0bda26 115
Cumulocity 41:804f6a0bda26 116 setCredentials(recvdRecord.value(3).characterValue(),
Cumulocity 41:804f6a0bda26 117 recvdRecord.value(4).characterValue(),
Cumulocity 41:804f6a0bda26 118 recvdRecord.value(5).characterValue());
Cumulocity 41:804f6a0bda26 119
vwochnik 52:8f1370084268 120 _io.lcdPrint("BOOTSTRAP SUCCESSFUL", _username, _password);
vwochnik 52:8f1370084268 121
Cumulocity 41:804f6a0bda26 122 return true;
vwochnik 52:8f1370084268 123 } while (--tries > 0);
vwochnik 52:8f1370084268 124
vwochnik 52:8f1370084268 125 _io.lcdPrint("BOOTSTRAP FAILURE");
Cumulocity 41:804f6a0bda26 126 return false;
Cumulocity 41:804f6a0bda26 127 }
Cumulocity 41:804f6a0bda26 128
Cumulocity 41:804f6a0bda26 129 bool DeviceBootstrap::writeToStorage()
Cumulocity 41:804f6a0bda26 130 {
Cumulocity 41:804f6a0bda26 131 char buf[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH*2+2], *ptr;
Cumulocity 41:804f6a0bda26 132 size_t len;
Cumulocity 41:804f6a0bda26 133
Cumulocity 41:804f6a0bda26 134 ptr = buf;
Cumulocity 41:804f6a0bda26 135 len = strlen(_username);
Cumulocity 41:804f6a0bda26 136 strcpy(ptr, _username);
Cumulocity 41:804f6a0bda26 137 ptr += len;
Cumulocity 41:804f6a0bda26 138
Cumulocity 41:804f6a0bda26 139 *ptr++ = '\n';
Cumulocity 41:804f6a0bda26 140 len++;
Cumulocity 41:804f6a0bda26 141
Cumulocity 41:804f6a0bda26 142 len += strlen(_password);
Cumulocity 41:804f6a0bda26 143 strcpy(ptr, _password);
Cumulocity 41:804f6a0bda26 144
Cumulocity 41:804f6a0bda26 145 _mdm.delFile(CREDENTIALS_FILE);
Cumulocity 41:804f6a0bda26 146 _mdm.writeFile(CREDENTIALS_FILE, buf, len);
Cumulocity 41:804f6a0bda26 147 return true;
Cumulocity 41:804f6a0bda26 148 }
Cumulocity 41:804f6a0bda26 149
Cumulocity 41:804f6a0bda26 150 void DeviceBootstrap::setCredentials(const char *tenant, const char *username, const char *password)
Cumulocity 41:804f6a0bda26 151 {
Cumulocity 41:804f6a0bda26 152 *_username = '\0';
Cumulocity 41:804f6a0bda26 153 if (tenant != NULL) {
Cumulocity 41:804f6a0bda26 154 strncpy(_username, tenant, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH);
Cumulocity 41:804f6a0bda26 155 _username[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-1] = '\0';
Cumulocity 41:804f6a0bda26 156 if (strlen(_username)+1 < DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH)
Cumulocity 41:804f6a0bda26 157 strcat(_username, "/");
Cumulocity 41:804f6a0bda26 158 }
Cumulocity 41:804f6a0bda26 159 strncat(_username, username, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-strlen(_username));
Cumulocity 41:804f6a0bda26 160 _username[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-1] = '\0';
Cumulocity 41:804f6a0bda26 161
Cumulocity 41:804f6a0bda26 162 strncpy(_password, password, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH);
Cumulocity 41:804f6a0bda26 163 _password[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-1] = '\0';
Cumulocity 41:804f6a0bda26 164 }