sensorconfig.cpp 55.4 KB
Newer Older
1
2
//================================================================================
// Name        : sensorconfig.cpp
3
// Author      : Axel Auweter, Daniele Tafani
Micha Müller's avatar
Micha Müller committed
4
// Contact     : info@dcdb.it
5
// Copyright   : Leibniz Supercomputing Centre
Michael Ott's avatar
Michael Ott committed
6
// Description : C++ API implementation for configuring libdcdb public sensors.
7
8
9
10
//================================================================================

//================================================================================
// This file is part of DCDB (DataCenter DataBase)
11
// Copyright (C) 2011-2019 Leibniz Supercomputing Centre
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//================================================================================
Axel Auweter's avatar
Axel Auweter committed
27
28
29

#include <cstring>
#include <iostream>
Axel Auweter's avatar
Axel Auweter committed
30
#include <algorithm>
31
32
33
#include <string>
#include <list>
#include <unordered_set>
34
#include <utility>
Axel Auweter's avatar
Axel Auweter committed
35
36

#include "cassandra.h"
37
#include <boost/regex.hpp>
Axel Auweter's avatar
Axel Auweter committed
38
39
40

#include "sensorconfig_internal.h"
#include "dcdbglobals.h"
Axel Auweter's avatar
Axel Auweter committed
41
#include "dcdbendian.h"
42
#include "dcdb/virtualsensor.h"
Axel Auweter's avatar
Axel Auweter committed
43

44
45
using namespace DCDB;

Axel Auweter's avatar
Axel Auweter committed
46
/*
47
 * PublicSensor functions.
Axel Auweter's avatar
Axel Auweter committed
48
 */
49
PublicSensor::PublicSensor()
Axel Auweter's avatar
Axel Auweter committed
50
{
51
52
53
54
55
56
57
58
59
    name = "";
    is_virtual = false;
    pattern = "";
    scaling_factor = 1.0;
    unit = "";
    sensor_mask = 0;
    expression = "";
    v_sensorid = "";
    t_zero = 0;
60
61
    interval = 0;
    ttl = 0;
Axel Auweter's avatar
Axel Auweter committed
62
63
}

64
PublicSensor::PublicSensor (const PublicSensor &copy)
Axel Auweter's avatar
Axel Auweter committed
65
{
66
67
68
69
70
71
72
73
74
    name = copy.name;
    is_virtual = copy.is_virtual;
    pattern = copy.pattern;
    scaling_factor = copy.scaling_factor;
    unit = copy.unit;
    sensor_mask = copy.sensor_mask;
    expression = copy.expression;
    v_sensorid = copy.v_sensorid;
    t_zero = copy.t_zero;
75
    interval = copy.interval;
76
    operations = copy.operations;
77
    ttl = copy.ttl;
Axel Auweter's avatar
Axel Auweter committed
78
79
}

80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
PublicSensor PublicSensor::metadataToPublicSensor(const SensorMetadata& sm) {
    PublicSensor ps;
    if(sm.getPublicName())
        ps.name = *sm.getPublicName();
    if(sm.getIsVirtual())
        ps.is_virtual = *sm.getIsVirtual();
    if(sm.getPattern())
        ps.pattern = *sm.getPattern();
    if(sm.getUnit())
        ps.unit = *sm.getUnit();
    if(sm.getScale())
        ps.scaling_factor = *sm.getScale();
    if(sm.getTTL())
        ps.ttl = *sm.getTTL();
    if(sm.getInterval())
        ps.interval = *sm.getInterval();
    if(sm.getOperations())
        ps.operations = *sm.getOperations();
    uint64_t sensorMask = 0;
    if(sm.getIntegrable() && *sm.getIntegrable())
        sensorMask = sensorMask | INTEGRABLE;
    if(sm.getMonotonic() && *sm.getMonotonic())
        sensorMask = sensorMask | MONOTONIC;
    ps.sensor_mask = sensorMask;
    return ps;
}

SensorMetadata PublicSensor::publicSensorToMetadata(const PublicSensor& ps) {
    SensorMetadata sm;
    sm.setPublicName(ps.name);
    sm.setIsVirtual(ps.is_virtual);

    // Stripping whitespace from the sensor pattern in the SID
    string stripPattern = ps.pattern;
    boost::algorithm::trim(stripPattern);
    sm.setPattern(stripPattern);

    sm.setUnit(ps.unit);
    sm.setScale(ps.scaling_factor);
    sm.setTTL(ps.ttl);
    sm.setInterval(ps.interval);
    sm.setOperations(ps.operations);
    sm.setIntegrable(ps.sensor_mask & INTEGRABLE);
    sm.setMonotonic(ps.sensor_mask & MONOTONIC);
    return sm;
}

Axel Auweter's avatar
Axel Auweter committed
127
128
129
130

/*
 * SensorConfig functions
 */
131
132
133

SCError SensorConfig::loadCache()
{
134
    return impl->loadCache();
135
136
}

Axel Auweter's avatar
Axel Auweter committed
137
138
SCError SensorConfig::publishSensor(const char* publicName, const char* sensorPattern)
{
139
    return impl->publishSensor(publicName, sensorPattern);
Axel Auweter's avatar
Axel Auweter committed
140
141
}

142
143
144
145
146
SCError SensorConfig::publishSensor(const PublicSensor& sensor)
{
    return impl->publishSensor(sensor);
}

147
148
149
150
151
SCError SensorConfig::publishSensor(const SensorMetadata& sensor)
{
    return impl->publishSensor(sensor);
}

152
SCError SensorConfig::publishVirtualSensor(const char* publicName, const char* vSensorExpression, const char* vSensorId, TimeStamp tZero, uint64_t interval)
153
{
154
    return impl->publishVirtualSensor(publicName, vSensorExpression, vSensorId, tZero, interval);
155
156
}

157
158
SCError SensorConfig::unPublishSensor(const char* publicName)
{
159
    return impl->unPublishSensor(publicName);
160
161
}

162
163
164
165
166
SCError SensorConfig::unPublishSensorsByWildcard(const char* wildcard)
{
    return impl->unPublishSensorsByWildcard(wildcard);
}

167
SCError SensorConfig::getPublicSensorNames(std::list<std::string>& publicSensors)
Axel Auweter's avatar
Axel Auweter committed
168
{
169
    return impl->getPublicSensorNames(publicSensors);
170
171
}

172
SCError SensorConfig::getPublicSensorsVerbose(std::list<PublicSensor>& publicSensors)
173
{
174
    return impl->getPublicSensorsVerbose(publicSensors);
175
176
}

177
SCError SensorConfig::getPublicSensorByName(PublicSensor& sensor, const char* publicName)
178
{
179
    return impl->getPublicSensorByName(sensor, publicName);
Axel Auweter's avatar
Axel Auweter committed
180
181
}

182
183
184
185
186
SCError SensorConfig::getPublicSensorsByWildcard(std::list<PublicSensor>& sensors, const char* wildcard)
{
    return impl->getPublicSensorsByWildcard(sensors, wildcard);
}

187
188
SCError SensorConfig::isVirtual(bool& isVirtual, std::string publicName)
{
189
    return impl->isVirtual(isVirtual, publicName);
190
191
}

192
SCError SensorConfig::setSensorScalingFactor(std::string publicName, double scalingFactor) {
193
    return impl->setSensorScalingFactor(publicName, scalingFactor);
194
195
196
197
}

SCError SensorConfig::setSensorUnit(std::string publicName, std::string unit)
{
198
    return impl->setSensorUnit(publicName, unit);
199
200
}

201
SCError SensorConfig::setSensorMask(std::string publicName, uint64_t mask)
202
{
203
    return impl->setSensorMask(publicName, mask);
204
205
}

206
SCError SensorConfig::setOperations(std::string publicName, std::set<std::string> operations)
207
208
209
210
{
    return impl->setOperations(publicName,operations);
}

211
212
213
214
215
SCError SensorConfig::clearOperations(std::string publicName)
{
    return impl->clearOperations(publicName);
}

216
217
218
219
220
SCError SensorConfig::clearOperationsByWildcard(std::string wildcard)
{
    return impl->clearOperationsByWildcard(wildcard);
}

221
222
223
224
225
SCError SensorConfig::setTimeToLive(std::string publicName, uint64_t ttl)
{
    return impl->setTimeToLive(publicName, ttl);
}

226
227
SCError SensorConfig::setVirtualSensorExpression(std::string publicName, std::string expression)
{
228
    return impl->setVirtualSensorExpression(publicName, expression);
229
230
231
232
}

SCError SensorConfig::setVirtualSensorTZero(std::string publicName, TimeStamp tZero)
{
233
    return impl->setVirtualSensorTZero(publicName, tZero);
234
235
}

236
SCError SensorConfig::setSensorInterval(std::string publicName, uint64_t interval)
237
{
238
    return impl->setSensorInterval(publicName, interval);
239
240
}

241
242
243
244
245
246
247
248
SCError SensorConfig::getPublishedSensorsWritetime(uint64_t &ts) {
    return impl->getPublishedSensorsWritetime(ts);
}

SCError SensorConfig::setPublishedSensorsWritetime(const uint64_t &ts) {
    return impl->setPublishedSensorsWritetime(ts);
}

249
SensorConfig::SensorConfig(Connection* conn)
Axel Auweter's avatar
Axel Auweter committed
250
{
251
252
    /* Allocate impl object */
    impl = new SensorConfigImpl(conn);
Axel Auweter's avatar
Axel Auweter committed
253
254
255
256
}

SensorConfig::~SensorConfig()
{
257
258
259
    if (impl) {
        delete impl;
    }
Axel Auweter's avatar
Axel Auweter committed
260
261
262
}

/*
263
 * SensorConfigImpl protected members and functions
Axel Auweter's avatar
Axel Auweter committed
264
265
266
267
268
269
270
271
272
273
 */

/*
 * Validate the pattern for a Sensor to be published
 * Patterns may only consist of hex numbers and forward slashes
 * and at most one wildcard character (*). Also, the total number of
 * bits may not exceed 128.
 */
bool SensorConfigImpl::validateSensorPattern(const char* sensorPattern)
{
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
    unsigned int wildcards, seps;

    /* Iterate through the string and validate/count the characters */
    wildcards = 0, seps = 0;
    for (unsigned int c = 0; c < strlen(sensorPattern); c++) {
        switch (sensorPattern[c]) {
            case '*':
                wildcards++;
                break;
            case '/':
                seps++;
                break;
                /* Everything else is allowed */
            default:
                break;
        }
    }
Axel Auweter's avatar
Axel Auweter committed
291

292
293
294
    /* More than one wildcard is not allowed */
    if (wildcards > 1)
        return false;
Axel Auweter's avatar
Axel Auweter committed
295

296
297
    if (strlen(sensorPattern) - seps > MAX_PATTERN_LENGTH)
        return false;
Axel Auweter's avatar
Axel Auweter committed
298

299
300
    /* Looks good */
    return true;
Axel Auweter's avatar
Axel Auweter committed
301
302
}

303
304
305
306
307
/*
 * Validate the public name of a sensor.
 */
bool SensorConfigImpl::validateSensorPublicName(std::string publicName)
{
308
    return true;
309
}
Axel Auweter's avatar
Axel Auweter committed
310
311
312
313

/*
 * SensorConfigImpl public functions
 */
314
315
316

SCError SensorConfigImpl::loadCache()
{
317
318
    if (sensorList.size() != 0) {
	return SC_OK;
319
    } else {
320
321
322
323
324
325
326
327
#ifdef DEBUG
	TimeStamp ts;
#endif
	SCError ret = getPublicSensorNames(sensorList);
#ifdef DEBUG
	std::cerr << "loadCache: " << sensorList.size() << " sensors loaded in " << TimeStamp().getRaw() - ts.getRaw() << " ns" << std::endl;
#endif
	return ret;
328
329
330
    }
}

331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
SCError SensorConfigImpl::getPublishedSensorsWritetime(uint64_t &ts)
{
    ts = 0;
    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }
    
    /* Fill the list with all public sensors */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const char* query = "SELECT value FROM " CONFIG_KEYSPACE_NAME "." CF_MONITORINGMETADATA " where name=\'" CF_PROPERTY_PSWRITETIME "\' ;";

    statement = cass_statement_new(query, 0);
    
    future = cass_session_execute(session, statement);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc == CASS_OK) {
        const CassResult* result = cass_future_get_result(future);
        CassIterator* iterator = cass_iterator_from_result(result);

        if (cass_iterator_next(iterator)) {
            const char* tsStr;
            size_t      tsStr_len;

            const CassRow* row = cass_iterator_get_row(iterator);

            if (cass_value_get_string(cass_row_get_column_by_name(row, "value"), &tsStr, &tsStr_len) == CASS_OK) {
                try {
                    ts = TimeStamp(std::string(tsStr, tsStr_len)).getRaw();
                } catch(const std::exception &e) {
                    ts = 0;
                }
            }
        }
        cass_result_free(result);
        cass_iterator_free(iterator);
    } else {
        connection->printError(future);
        cass_future_free(future);
        cass_statement_free(statement);
        return SC_UNKNOWNERROR;
    }

    cass_future_free(future);
    cass_statement_free(statement);
    return SC_OK;
}

SCError SensorConfigImpl::setPublishedSensorsWritetime(const uint64_t &ts)
{
    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Insert the entry */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "INSERT INTO " CONFIG_KEYSPACE_NAME "." CF_MONITORINGMETADATA " (name, value) VALUES (?,?);";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }

    cass_future_free(future);

    statement = cass_prepared_bind(prepared);

    cass_statement_bind_string_by_name(statement, "name", CF_PROPERTY_PSWRITETIME);
    cass_statement_bind_string_by_name(statement, "value", std::to_string(ts).c_str());

    future = cass_session_execute(session, statement);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);

        cass_prepared_free(prepared);
        cass_future_free(future);
        cass_statement_free(statement);

        return SC_UNKNOWNERROR;
    }

    cass_prepared_free(prepared);
    cass_future_free(future);
    cass_statement_free(statement);

    return SC_OK;
}

Axel Auweter's avatar
Axel Auweter committed
437
SCError SensorConfigImpl::publishSensor(std::string publicName, std::string sensorPattern)
Axel Auweter's avatar
Axel Auweter committed
438
{
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
    /* Check if the pattern matches the requirements */
    SensorId sid;
    if (!validateSensorPattern(sensorPattern.c_str()) || !sid.mqttTopicConvert(sensorPattern)) {
        return SC_INVALIDPATTERN;
    }

    /* Check if the publicName is valid */
    if (!validateSensorPublicName(publicName.c_str())) {
        return SC_INVALIDPUBLICNAME;
    }

    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }
    
    /* Insert the entry */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "INSERT INTO " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " (name, pattern, virtual) VALUES (?,?, FALSE);";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }

Axel Auweter's avatar
Axel Auweter committed
474
475
    cass_future_free(future);

476
    statement = cass_prepared_bind(prepared);
Axel Auweter's avatar
Axel Auweter committed
477

478
479
    cass_statement_bind_string_by_name(statement, "name", publicName.c_str());
    cass_statement_bind_string_by_name(statement, "pattern", sid.getId().c_str());
Axel Auweter's avatar
Axel Auweter committed
480

481
482
    future = cass_session_execute(session, statement);
    cass_future_wait(future);
Axel Auweter's avatar
Axel Auweter committed
483

484
485
486
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
Axel Auweter's avatar
Axel Auweter committed
487

488
489
        cass_prepared_free(prepared);
        cass_future_free(future);
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
        cass_statement_free(statement);

        return SC_UNKNOWNERROR;
    }

    cass_prepared_free(prepared);
    cass_future_free(future);
    cass_statement_free(statement);

    return SC_OK;
}

SCError SensorConfigImpl::publishSensor(const PublicSensor& sensor)
{
    /* Check if the pattern matches the requirements */
    SensorId sid;
    if (!validateSensorPattern(sensor.pattern.c_str()) || !sid.mqttTopicConvert(sensor.pattern)) {
        return SC_INVALIDPATTERN;
    }

    /* Check if the publicName is valid */
    if (!validateSensorPublicName(sensor.name.c_str())) {
        return SC_INVALIDPUBLICNAME;
    }

    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Insert the entry */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
525
    const char* query = "INSERT INTO " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " (name, pattern, virtual, scaling_factor, unit, sensor_mask, interval, ttl) VALUES (?,?, FALSE, ?, ?, ?, ?, ?);";
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }

    cass_future_free(future);

    statement = cass_prepared_bind(prepared);

    cass_statement_bind_string_by_name(statement, "name", sensor.name.c_str());
    cass_statement_bind_string_by_name(statement, "pattern", sid.getId().c_str());
    cass_statement_bind_double_by_name(statement, "scaling_factor", sensor.scaling_factor);
    cass_statement_bind_string_by_name(statement, "unit", sensor.unit.c_str());
    cass_statement_bind_int64_by_name(statement, "sensor_mask", sensor.sensor_mask);
    cass_statement_bind_int64_by_name(statement, "interval", sensor.interval);
    cass_statement_bind_int64_by_name(statement, "ttl", sensor.ttl);
550
    
551
552
553
554
555
556
557
558
559
    future = cass_session_execute(session, statement);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);

        cass_prepared_free(prepared);
        cass_future_free(future);
560
561
562
563
564
565
566
567
568
        cass_statement_free(statement);

        return SC_UNKNOWNERROR;
    }

    cass_prepared_free(prepared);
    cass_future_free(future);
    cass_statement_free(statement);

569
570
571
572
573
    // Operations are inserted as an update statement, if required
    if(sensor.operations.size() > 0)
        return setOperations(sensor.name, sensor.operations);
    else
        return SC_OK;
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
}

SCError SensorConfigImpl::publishSensor(const SensorMetadata& sensor)
{
    /* Check if the pattern matches the requirements */
    SensorId sid;
    if (!sensor.getPattern() || !validateSensorPattern(sensor.getPattern()->c_str()) || !sid.mqttTopicConvert(*sensor.getPattern())) {
        return SC_INVALIDPATTERN;
    }

    /* Check if the publicName is valid */
    if (!sensor.getPublicName() || !validateSensorPublicName(sensor.getPublicName()->c_str())) {
        return SC_INVALIDPUBLICNAME;
    }

    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Insert the entry */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    
    std::string queryBuf = "INSERT INTO " + std::string(CONFIG_KEYSPACE_NAME) + "." + std::string(CF_PUBLISHEDSENSORS) + " (name, pattern, virtual";
    std::string valuesBuf = ") VALUES (?, ?, FALSE";
    std::string closingBuf = ");";
            
    if(sensor.getScale()) {
        queryBuf += ", scaling_factor";
        valuesBuf += ", ?";
    }
    if(sensor.getUnit()) {
        queryBuf += ", unit";
        valuesBuf += ", ?";
    }
    if(sensor.getIntegrable() || sensor.getMonotonic()) {
        queryBuf += ", sensor_mask";
        valuesBuf += ", ?";
    }
    if(sensor.getInterval()) {
        queryBuf += ", interval";
        valuesBuf += ", ?";
    }
    if(sensor.getTTL()) {
        queryBuf += ", ttl";
        valuesBuf += ", ?";
    }
    
    std::string query = queryBuf + valuesBuf + closingBuf;

    future = cass_session_prepare(session, query.c_str());
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }

    cass_future_free(future);

    statement = cass_prepared_bind(prepared);
    cass_statement_bind_string_by_name(statement, "name", sensor.getPublicName()->c_str());
    cass_statement_bind_string_by_name(statement, "pattern", sid.getId().c_str());
    
    if(sensor.getScale())
        cass_statement_bind_double_by_name(statement, "scaling_factor", *sensor.getScale());
    if(sensor.getUnit())
        cass_statement_bind_string_by_name(statement, "unit", sensor.getUnit()->c_str());
    if(sensor.getInterval())
        cass_statement_bind_int64_by_name(statement, "interval", *sensor.getInterval());
    if(sensor.getTTL())
        cass_statement_bind_int64_by_name(statement, "ttl", *sensor.getTTL());
    if(sensor.getIntegrable() || sensor.getMonotonic()) {
        uint64_t sensorMask = 0;
        if(sensor.getIntegrable())
            sensorMask = sensorMask | INTEGRABLE;
        if(sensor.getMonotonic())
            sensorMask = sensorMask | MONOTONIC;
        cass_statement_bind_int64_by_name(statement, "sensor_mask", sensorMask);
    }
661
    
662
663
664
665
666
667
668
669
670
    future = cass_session_execute(session, statement);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);

        cass_prepared_free(prepared);
        cass_future_free(future);
671
672
673
674
        cass_statement_free(statement);

        return SC_UNKNOWNERROR;
    }
675
676
677
678

    cass_prepared_free(prepared);
    cass_future_free(future);
    cass_statement_free(statement);
679
680
681
682
683
684
    
    // Operations are inserted as an update statement, if required
    if(sensor.getOperations() && sensor.getOperations()->size()>0)
        return setOperations(*sensor.getPublicName(), *sensor.getOperations());
    else
        return SC_OK;
685
686
}

687
SCError SensorConfigImpl::publishVirtualSensor(std::string publicName, std::string vSensorExpression, std::string vSensorId, TimeStamp tZero, uint64_t interval)
688
{
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
    /* Check if the publicName is valid */
    if (!validateSensorPublicName(publicName.c_str())) {
        return SC_INVALIDPUBLICNAME;
    }

    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Validate vSensorExpression */
    try {
        VSensorExpression vsExp(connection, vSensorExpression);

        /* Check that it is not recursive-pointing to itself */
        std::unordered_set<std::string> inputSet;
        vsExp.getInputsRecursive(inputSet);
        std::unordered_set<std::string>::const_iterator found = inputSet.find(publicName);
        if (found != inputSet.end()) {
            return SC_EXPRESSIONSELFREF;
        }
    }
    catch (std::exception& e) {
        std::cout << e.what();
        return SC_INVALIDEXPRESSION;
    }

    /* Check if the vSensorId is valid */
    SensorId vSensor;
    if (!vSensor.mqttTopicConvert(vSensorId)) {
        return SC_INVALIDVSENSORID;
    }

    /* Insert the entry */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
727
    const char* query = "INSERT INTO " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " (name, expression, vsensorid, tzero, interval, virtual) VALUES (?,?,?,?,?,TRUE);";
728
729
730
731
732
733
734
735
736
737
738
739
740

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }

741
742
    cass_future_free(future);

743
    statement = cass_prepared_bind(prepared);
744

745
746
747
748
    cass_statement_bind_string_by_name(statement, "name", publicName.c_str());
    cass_statement_bind_string_by_name(statement, "expression", vSensorExpression.c_str());
    cass_statement_bind_string_by_name(statement, "vsensorid", vSensorId.c_str());
    cass_statement_bind_int64_by_name(statement, "tzero", tZero.getRaw());
749
    cass_statement_bind_int64_by_name(statement, "interval", interval);
750

751
752
    future = cass_session_execute(session, statement);
    cass_future_wait(future);
753

754
755
756
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
757

758
759
760
761
762
763
        cass_prepared_free(prepared);
        cass_future_free(future);
        cass_statement_free(statement);

        return SC_UNKNOWNERROR;
    }
764
765
766
767
768

    cass_prepared_free(prepared);
    cass_future_free(future);
    cass_statement_free(statement);

769
    return SC_OK;
770
771
772
}


773
774
SCError SensorConfigImpl::unPublishSensor(std::string publicName)
{
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Remove the entry */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "DELETE FROM " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " WHERE name = ? ;";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }

799
800
    cass_future_free(future);

801
802
803
    statement = cass_prepared_bind(prepared);

    cass_statement_bind_string_by_name(statement, "name", publicName.c_str());
804

805
806
    future = cass_session_execute(session, statement);
    cass_future_wait(future);
807

808
809
810
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
811

812
813
814
        cass_prepared_free(prepared);
        cass_future_free(future);
        cass_statement_free(statement);
815

816
817
        return SC_UNKNOWNERROR;
    }
Axel Auweter's avatar
Axel Auweter committed
818
819
820
821
822

    cass_prepared_free(prepared);
    cass_future_free(future);
    cass_statement_free(statement);

823
    return SC_OK;
Axel Auweter's avatar
Axel Auweter committed
824
825
}

826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
SCError SensorConfigImpl::unPublishSensorsByWildcard(std::string wildcard)
{
    std::list<PublicSensor> sensors;
    if(getPublicSensorsByWildcard(sensors, wildcard.c_str())!=SC_OK)
        return SC_UNKNOWNERROR;
    
    for(const auto& s : sensors) {
        if (unPublishSensor(s.name.c_str()) != SC_OK) {
            return SC_UNKNOWNERROR;
        }
    }
        
    return SC_OK;
}

841
842
SCError SensorConfigImpl::getPublicSensorNames(std::list<std::string>& publicSensors)
{
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Clear the list */
    publicSensors.clear();

    /* Fill the list with all public sensors */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const char* query = "SELECT name FROM " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " ;";

    statement = cass_statement_new(query, 0);
858
    cass_statement_set_paging_size(statement, PAGING_SIZE);
859

860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
    bool morePages = false;
    do {
        future = cass_session_execute(session, statement);
        cass_future_wait(future);
    
        rc = cass_future_error_code(future);
        if (rc == CASS_OK) {
            const CassResult* result = cass_future_get_result(future);
            CassIterator* iterator = cass_iterator_from_result(result);
    
            while (cass_iterator_next(iterator)) {
                const char* name;
                size_t      name_len;
    
                const CassRow* row = cass_iterator_get_row(iterator);
    
                if (cass_value_get_string(cass_row_get_column_by_name(row, "name"), &name, &name_len) != CASS_OK) {
                    name = ""; name_len = 0;
                }
    
                publicSensors.push_back(std::string(name, name_len));
881
882
            }

883
884
885
886
887
888
889
890
891
892
            if((morePages = cass_result_has_more_pages(result)))
                cass_statement_set_paging_state(statement, result);
            
            cass_result_free(result);
            cass_iterator_free(iterator);
        } else {
            connection->printError(future);
            cass_future_free(future);
            cass_statement_free(statement);
            return SC_UNKNOWNERROR;
893
        }
894
895
896

        cass_future_free(future);
        
897
    }
898
    while(morePages);
899
900
901

    cass_statement_free(statement);
    return SC_OK;
902
903
}

904
SCError SensorConfigImpl::getPublicSensorsVerbose(std::list<PublicSensor>& publicSensors)
Axel Auweter's avatar
Axel Auweter committed
905
{
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Clear the list */
    publicSensors.clear();

    /* Fill the list with all public sensors */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const char* query = "SELECT * FROM " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " ;";

    statement = cass_statement_new(query, 0);
921
    cass_statement_set_paging_size(statement, PAGING_SIZE);
922

923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
    bool morePages = false;
    do {
        future = cass_session_execute(session, statement);
        cass_future_wait(future);
    
        rc = cass_future_error_code(future);
        if (rc == CASS_OK) {
            const CassResult* result = cass_future_get_result(future);
            CassIterator* iterator = cass_iterator_from_result(result);
    
            while (cass_iterator_next(iterator)) {
                const char* name;
                size_t      name_len;
                cass_bool_t is_virtual;
                const char* pattern;
                size_t      pattern_len;
                double      scaling_factor;
                const char* unit;
                size_t      unit_len;
                int64_t     sensor_mask;
                const char* expression;
                size_t      expression_len;
                const char* vsensorid;
                size_t      vsensorid_len;
                int64_t     tzero;
                int64_t     interval;
                int64_t     ttl;
                set<string> operations;
                PublicSensor sensor;
    
                const CassRow* row = cass_iterator_get_row(iterator);
    
                if (cass_value_get_string(cass_row_get_column_by_name(row, "name"), &name, &name_len) != CASS_OK) {
                    name = ""; name_len = 0;
957
                }
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
                if (cass_value_get_bool(cass_row_get_column_by_name(row, "virtual"), &is_virtual) != CASS_OK) {
                    is_virtual = cass_false;
                }
                if (cass_value_get_string(cass_row_get_column_by_name(row, "pattern"), &pattern, &pattern_len) != CASS_OK) {
                    pattern = ""; pattern_len = 0;
                }
                if (cass_value_get_double(cass_row_get_column_by_name(row, "scaling_factor"), &scaling_factor) != CASS_OK) {
                    scaling_factor = 1.0;
                }
                if (cass_value_get_string(cass_row_get_column_by_name(row, "unit"), &unit, &unit_len) != CASS_OK) {
                    unit = ""; unit_len = 0;
                }
                if (cass_value_get_int64(cass_row_get_column_by_name(row, "sensor_mask"), &sensor_mask) != CASS_OK) {
                    sensor_mask = 0;
                }
                if (cass_value_get_string(cass_row_get_column_by_name(row, "expression"), &expression, &expression_len) != CASS_OK) {
                    expression = ""; expression_len = 0;
                }
                if (cass_value_get_string(cass_row_get_column_by_name(row, "vsensorid"), &vsensorid, &vsensorid_len) != CASS_OK) {
                    vsensorid = ""; vsensorid_len = 0;
                }
                if (cass_value_get_int64(cass_row_get_column_by_name(row, "tzero"), &tzero) != CASS_OK) {
                    tzero = 0;
                }
                if (cass_value_get_int64(cass_row_get_column_by_name(row, "interval"), &interval) != CASS_OK) {
                    interval = 0;
                }
                if (cass_value_get_int64(cass_row_get_column_by_name(row, "ttl"), &ttl) != CASS_OK) {
                    ttl = 0;
                }
    
                const CassValue* opSet = nullptr;
                CassIterator *opSetIt = nullptr;
                if((opSet=cass_row_get_column_by_name(row, "operations")) && (opSetIt=cass_iterator_from_collection(opSet))) {
                    const char *opString;
                    size_t opLen;
    
                    while (cass_iterator_next(opSetIt)) {
                        if (cass_value_get_string(cass_iterator_get_value(opSetIt), &opString, &opLen) != CASS_OK) {
                            operations.clear();
                            break;
                        } else
                            operations.insert(std::string(opString, opLen));
                    }
    
                    cass_iterator_free(opSetIt);
                }
                
                sensor.name = std::string(name, name_len);
                sensor.is_virtual = is_virtual == cass_true ? true : false;
                sensor.pattern = std::string(pattern, pattern_len);
                sensor.scaling_factor = scaling_factor;
                sensor.unit = std::string(unit, unit_len);
                sensor.sensor_mask = sensor_mask;
                sensor.expression = std::string(expression, expression_len);
                sensor.v_sensorid = std::string(vsensorid, vsensorid_len);
                sensor.t_zero = tzero;
                sensor.interval = interval;
                sensor.ttl = ttl;
                sensor.operations = operations;
    
                publicSensors.push_back(sensor);
1020
            }
1021
1022
1023

            if((morePages = cass_result_has_more_pages(result)))
                cass_statement_set_paging_state(statement, result);
1024
            
1025
1026
1027
1028
1029
1030
1031
            cass_result_free(result);
            cass_iterator_free(iterator);
        } else {
            connection->printError(future);
            cass_future_free(future);
            cass_statement_free(statement);
            return SC_UNKNOWNERROR;
1032
1033
        }

1034
1035
1036
1037
1038
        cass_future_free(future);
        
    }
    while(morePages);
    
1039
1040
    cass_statement_free(statement);
    return SC_OK;
Axel Auweter's avatar
Axel Auweter committed
1041
1042
}

1043
SCError SensorConfigImpl::getPublicSensorByName(PublicSensor& sensor, const char* publicName)
1044
{
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
    /* Check if the sensor definition is already in the cache */
    SensorMap_t::const_iterator got = sensorMapByName.find(publicName);
    if (got != sensorMapByName.end()) {
        sensor = got->second;
        return SC_OK;
    }

    /* Not in cache - query the data base */
    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Fill the list with all public sensors */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "SELECT * FROM " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " WHERE name = ?;";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }
    cass_future_free(future);

    statement = cass_prepared_bind(prepared);
    cass_statement_bind_string_by_name(statement, "name", publicName);

    future = cass_session_execute(session, statement);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        cass_statement_free(statement);
1089
        cass_prepared_free(prepared);
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
        return SC_UNKNOWNERROR;
    } else {
        const CassResult* result = cass_future_get_result(future);
        CassIterator* iterator = cass_iterator_from_result(result);

        if (cass_iterator_next(iterator)) {
            const char* name;
            size_t      name_len;
            cass_bool_t is_virtual;
            const char* pattern;
            size_t      pattern_len;
            double      scaling_factor;
            const char* unit;
            size_t      unit_len;
            int64_t     sensor_mask;
            const char* expression;
            size_t      expression_len;
            const char* vsensorid;
            size_t      vsensorid_len;
            int64_t     tzero;
1110
1111
            int64_t     interval;
            int64_t     ttl;
1112
            set<string> operations;
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142

            const CassRow* row = cass_iterator_get_row(iterator);

            if (cass_value_get_string(cass_row_get_column_by_name(row, "name"), &name, &name_len) != CASS_OK) {
                name = ""; name_len = 0;
            }
            if (cass_value_get_bool(cass_row_get_column_by_name(row, "virtual"), &is_virtual) != CASS_OK) {
                is_virtual = cass_false;
            }
            if (cass_value_get_string(cass_row_get_column_by_name(row, "pattern"), &pattern, &pattern_len) != CASS_OK) {
                pattern = ""; pattern_len = 0;
            }
            if (cass_value_get_double(cass_row_get_column_by_name(row, "scaling_factor"), &scaling_factor) != CASS_OK) {
                scaling_factor = 1.0;
            }
            if (cass_value_get_string(cass_row_get_column_by_name(row, "unit"), &unit, &unit_len) != CASS_OK) {
                unit = ""; unit_len = 0;
            }
            if (cass_value_get_int64(cass_row_get_column_by_name(row, "sensor_mask"), &sensor_mask) != CASS_OK) {
                sensor_mask = 0;
            }
            if (cass_value_get_string(cass_row_get_column_by_name(row, "expression"), &expression, &expression_len) != CASS_OK) {
                expression = ""; expression_len = 0;
            }
            if (cass_value_get_string(cass_row_get_column_by_name(row, "vsensorid"), &vsensorid, &vsensorid_len) != CASS_OK) {
                vsensorid = ""; vsensorid_len = 0;
            }
            if (cass_value_get_int64(cass_row_get_column_by_name(row, "tzero"), &tzero) != CASS_OK) {
                tzero = 0;
            }
1143
1144
1145
1146
1147
            if (cass_value_get_int64(cass_row_get_column_by_name(row, "interval"), &interval) != CASS_OK) {
                interval = 0;
            }
            if (cass_value_get_int64(cass_row_get_column_by_name(row, "ttl"), &ttl) != CASS_OK) {
                ttl = 0;
1148
            }
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164

            const CassValue* opSet = nullptr;
            CassIterator *opSetIt = nullptr;
            if((opSet=cass_row_get_column_by_name(row, "operations")) && (opSetIt=cass_iterator_from_collection(opSet))) {
                const char *opString;
                size_t opLen;

                while (cass_iterator_next(opSetIt)) {
                    if (cass_value_get_string(cass_iterator_get_value(opSetIt), &opString, &opLen) != CASS_OK) {
                        operations.clear();
                        break;
                    } else
                        operations.insert(std::string(opString, opLen));
                }

                cass_iterator_free(opSetIt);
1165
            }
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175

            sensor.name = std::string(name, name_len);
            sensor.is_virtual = is_virtual == cass_true ? true : false;
            sensor.pattern = std::string(pattern, pattern_len);
            sensor.scaling_factor = scaling_factor;
            sensor.unit = std::string(unit, unit_len);
            sensor.sensor_mask = sensor_mask;
            sensor.expression = std::string(expression, expression_len);
            sensor.v_sensorid = std::string(vsensorid, vsensorid_len);
            sensor.t_zero = tzero;
1176
1177
            sensor.interval = interval;
            sensor.ttl = ttl;
1178
            sensor.operations = operations;
1179

1180
1181
            /* Add to sensorMap for later use */
            sensorMapByName.insert(std::make_pair(publicName, sensor));
1182
1183
1184
1185
1186
1187
        }
        else {
            cass_result_free(result);
            cass_iterator_free(iterator);
            cass_future_free(future);
            cass_statement_free(statement);
1188
            cass_prepared_free(prepared);
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
            return SC_UNKNOWNSENSOR;
        }
        cass_result_free(result);
        cass_iterator_free(iterator);
    }

    cass_future_free(future);
    cass_statement_free(statement);
    cass_prepared_free(prepared);
    return SC_OK;
1199
1200
}

1201
1202
1203
SCError SensorConfigImpl::getPublicSensorsByWildcard(std::list<PublicSensor>& sensors, const char* wildcard)
{
    SCError err = SC_OK;
1204

1205
    if (strpbrk(wildcard, "*?") == NULL) {
1206
1207
1208
1209
1210
        PublicSensor sen;
        if ((err = getPublicSensorByName(sen, wildcard)) == SC_OK) {
            sensors.push_back(sen);
        }
        return err;
1211
    } else {
1212
	if (loadCache() == SC_OK) {
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
            std::string w("^");
            while (*wildcard != 0) {
                switch (*wildcard) {
                    case '.':
                    case '[':
                    case '\\':
                    case '^':
                    case '$':
                        w.append("\\");
                        w.append(wildcard, 1);
                        break;
                    case '?':
                        w.append(".");
                        break;
                    case '*':
                        w.append(".*");
                        break;
                    default:
                        w.append(wildcard, 1);
                        break;
                }
                wildcard++;
            }

            boost::regex r(w, boost::regex::basic);
1238
	    for (auto s: sensorList) {
1239
1240
1241
1242
                if (boost::regex_match(s, r)) {
		    PublicSensor ps;
		    getPublicSensorByName(ps, s.c_str());
		    sensors.push_back(ps);
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
                }
            }

            if (sensors.size() > 0) {
                return SC_OK;
            } else {
                return SC_UNKNOWNSENSOR;
            }
        } else {
            return err;
        }
1254
1255
1256
    }
}

1257
1258
SCError SensorConfigImpl::isVirtual(bool& isVirtual, std::string publicName)
{
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
    /* Check if the session is valid */
    if (!session) {
        return SC_INVALIDSESSION;
    }

    /* Read the virtual field from the database */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "SELECT virtual FROM " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " WHERE name = ? ;";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        cass_future_free(future);
        return SC_UNKNOWNERROR;
    } else {
        prepared = cass_future_get_prepared(future);
    }
    cass_future_free(future);

    statement = cass_prepared_bind(prepared);
    cass_statement_bind_string_by_name(statement, "name", publicName.c_str());

    future = cass_session_execute(session, statement);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
    } else {
        const CassResult* result = cass_future_get_result(future);
        CassIterator* iterator = cass_iterator_from_result(result);

        if (cass_iterator_next(iterator)) {
            cass_bool_t isVirtual_;
            const CassRow* row = cass_iterator_get_row(iterator);
            cass_value_get_bool(cass_row_get_column_by_name(row, "virtual"), &isVirtual_);
            isVirtual = isVirtual_ ? true : false;
        }
        else {
1304
1305
1306
1307
1308
            cass_result_free(result);
            cass_iterator_free(iterator);
            cass_future_free(future);
            cass_statement_free(statement);
            cass_prepared_free(prepared);
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
            return SC_UNKNOWNSENSOR;
        }

        cass_result_free(result);
        cass_iterator_free(iterator);
    }

    cass_future_free(future);
    cass_statement_free(statement);
    cass_prepared_free(prepared);
    return SC_OK;
1320
1321
}

1322
1323
SCError SensorConfigImpl::setSensorScalingFactor(std::string publicName, double scalingFactor)
{
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
    SCError error = SC_UNKNOWNERROR;

    /* Check the sensorconfig whether the given public sensor has the integrable flag set to true */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "UPDATE " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " SET scaling_factor = ? WHERE name = ? ;";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
1339
        cass_future_free(future);
1340
1341
        return SC_UNKNOWNERROR;
    }
1342

1343
1344
    prepared = cass_future_get_prepared(future);
    cass_future_free(future);
1345

1346
    statement = cass_prepared_bind(prepared);
1347

1348
1349
    cass_statement_bind_double(statement, 0, scalingFactor);
    cass_statement_bind_string(statement, 1, publicName.c_str());
1350

1351
1352
    future = cass_session_execute(session, statement);
    cass_future_wait(future);
1353

1354
1355
1356
1357
1358
1359
1360
1361
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        error = SC_UNKNOWNERROR;
    }
    else {
        error = SC_OK;
    }
1362

1363
    cass_future_free(future);
1364
1365
    cass_statement_free(statement);
    cass_prepared_free(prepared);
1366

1367
    return error;
1368
1369
1370
1371
}

SCError SensorConfigImpl::setSensorUnit(std::string publicName, std::string unit)
{
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
    SCError error = SC_UNKNOWNERROR;

    /* Check the sensorconfig whether the given public sensor has the integrable flag set to true */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "UPDATE " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " SET unit = ? WHERE name = ? ;";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
1387
        cass_future_free(future);
1388
1389
1390
1391
1392
        return SC_UNKNOWNERROR;
    }

    prepared = cass_future_get_prepared(future);
    cass_future_free(future);
1393

1394
    statement = cass_prepared_bind(prepared);
1395

1396
1397
    cass_statement_bind_string(statement, 0, unit.c_str());
    cass_statement_bind_string(statement, 1, publicName.c_str());
1398

1399
1400
    future = cass_session_execute(session, statement);
    cass_future_wait(future);
1401

1402
1403
1404
1405
1406
1407
1408
1409
1410
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        error = SC_UNKNOWNERROR;
    }
    else {
        error = SC_OK;
    }

1411
    cass_future_free(future);
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
    cass_statement_free(statement);
    cass_prepared_free(prepared);

    return error;
}

SCError SensorConfigImpl::setSensorMask(std::string publicName, uint64_t mask)
{
    SCError error = SC_UNKNOWNERROR;

    /* Check the sensorconfig whether the given public sensor has the integrable flag set to true */
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
    const char* query = "UPDATE " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " SET sensor_mask = ? WHERE name = ? ;";

    future = cass_session_prepare(session, query);
    cass_future_wait(future);

    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
1435
        cass_future_free(future);
1436
1437
        return SC_UNKNOWNERROR;
    }
1438

1439
1440
    prepared = cass_future_get_prepared(future);
    cass_future_free(future);
1441

1442
    statement = cass_prepared_bind(prepared);
1443

1444
1445
    cass_statement_bind_int64(statement, 0, mask);
    cass_statement_bind_string(statement, 1, publicName.c_str());
1446

1447
1448
    future = cass_session_execute(session, statement);
    cass_future_wait(future);
1449

1450
1451
1452
1453
1454
1455
1456
1457
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        error = SC_UNKNOWNERROR;
    }
    else {
        error = SC_OK;
    }
1458

1459
    cass_future_free(future);
1460
1461
1462
1463
    cass_statement_free(statement);
    cass_prepared_free(prepared);

    return error;
1464
1465
}

1466
SCError SensorConfigImpl::setOperations(std::string publicName, std::set<std::string> operations)
1467
1468
1469
1470
1471
1472
1473
{
    SCError error = SC_UNKNOWNERROR;
    
    CassError rc = CASS_OK;
    CassStatement* statement = nullptr;
    CassFuture* future = nullptr;
    const CassPrepared* prepared = nullptr;
1474
1475
1476
1477
1478
    const char* query = "UPDATE " CONFIG_KEYSPACE_NAME "." CF_PUBLISHEDSENSORS " SET operations = operations + ? WHERE name = ? ;";

    CassCollection* cassSet = cass_collection_new(CASS_COLLECTION_TYPE_SET, operations.size());
    for(const auto& op : operations)
        cass_collection_append_string(cassSet, op.c_str());
1479
1480
1481
1482
1483
1484
1485
    
    future = cass_session_prepare(session, query);
    cass_future_wait(future);
    
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
1486
1487
        cass_future_free(future);
        cass_collection_free(cassSet);
1488
1489
1490
1491
1492
1493
1494
1495
        return SC_UNKNOWNERROR;
    }
    
    prepared = cass_future_get_prepared(future);
    cass_future_free(future);
    
    statement = cass_prepared_bind(prepared);
    
1496
    cass_statement_bind_collection(statement, 0, cassSet);
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
    cass_statement_bind_string(statement, 1, publicName.c_str());
    
    future = cass_session_execute(session, statement);
    cass_future_wait(future);
    
    rc = cass_future_error_code(future);
    if (rc != CASS_OK) {
        connection->printError(future);
        error = SC_UNKNOWNERROR;
    }
    else {
        error = SC_OK;
    }
1510
1511

    cass_future_free(future);
1512
1513
    cass_statement_free(statement);
    cass_prepared_free(prepared);
1514
    cass_collection_free(cassSet);
1515
1516
1517
    
    return error;
}
1518

1519
1520
1521
1522
1523
1524