Blame view

include/mqtttypeconverter.h 4.43 KB
b5d9e433   Peter M. Groen   Fixed License Hea...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
  /* ****************************************************************************
   * Copyright 2019 Open Systems Development BV                                 *
   *                                                                            *
   * Permission is hereby granted, free of charge, to any person obtaining a    *
   * copy of this software and associated documentation files (the "Software"), *
   * to deal in the Software without restriction, including without limitation  *
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
   * and/or sell copies of the Software, and to permit persons to whom the      *
   * Software is furnished to do so, subject to the following conditions:       *
   *                                                                            *
   * The above copyright notice and this permission notice shall be included in *
   * all copies or substantial portions of the Software.                        *
   *                                                                            *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    *
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        *
   * DEALINGS IN THE SOFTWARE.                                                  *
   * ***************************************************************************/
51becbde   Peter M. Groen   Committed the ent...
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
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
  #ifndef OSDEV_COMPONENTS_MQTT_MLOGICTYPECONVERTER_H
  #define OSDEV_COMPONENTS_MQTT_MLOGICTYPECONVERTER_H
  
  // std
  #include <chrono>
  #include <ctime>
  #include "date.h"
  #include <string>
  
  // boost
  #include <boost/uuid/uuid.hpp>
  
  #include "commondefs.h"
  
  namespace osdev {
  namespace components {
  namespace mqtt {
  
  /**
   * @brief Utility namespace to convert between mqtt common types and other frequently used types.
   */
  namespace MqttTypeConverter {
  
  /**
   * @brief Converts from MqttId to std::string.
   * @param mqttId The mqttId to convert.
   * @return The std::string with contents of the provided mqttId. Format is 12345678-9abc-def0-1234-56789abcdef0.
   */
  std::string toStdString(const MqttId& mqttId);
  
  /**
   * @brief Converts from system clock timepoint to std::string.
   * @tparam Duration std::chrono::duration instance.
   *         Duration::Period is used to determine the precision
   *         of the subsecond part of the returned ISO8601 string.
   *         Uses the duration of the StdTime type by default.
   * @param tp The timepoint to converter.
   * @return ISO8601 string representation of stdTime.
   */
  template <typename Duration>
  std::string toStdString(const std::chrono::time_point<std::chrono::system_clock, Duration>& tp)
  {
      return date::format("%FT%T%Ez", tp);
  }
  
  /**
   * @brief Converts from std::string to MqttId.
   * @param mqttId The MqttId string to convert.
   * @return the converted string to MqttId.
   */
  MqttId toMqttId(const std::string& mqttId);
  
  /**
   * @brief Creates a descriptive string based on the specified input parameters.
   * @param str The prefix of the string.
   * @param mqttId The id of which to use the first 4 characters.
   * @return str + "-" + <first 4 characters of mqttId>
   * Example: "Unassigned-a2c4".
   */
  std::string toShortGuidAppendedString(const std::string& str, const MqttId& mqttId);
  
  /**
   * @brief Converts from PosixTime (time_t) to StdTime.
   * @param posixTime The Posix Time (time_t) to convert.
   * @return The StdTime with same value as the provided posixTime.
   */
  StdTime toStdTime(const std::time_t& posixTime);
  
  /**
   * @brief Converts from StdTime to PosixTime (time_t).
   * @param stdTime The StdTime to convert.
   * @return The PosixTime with the same value as the provided stdTime.
   */
  time_t toPosixTime(const osdev::components::mqtt::StdTime& stdTime);
  
  /**
   * @brief Converts the specified posixTimeString to an OptionalTime.
   * @param posixTimeString A posix time as string.
   * @return The converted posixTimeString.
   * @retval boost::none if the specified posixTimeString could not be converted to a StdTime.
   */
  osdev::components::mqtt::OptionalTime toOptionalTime(const std::string& posixTimeString);
  
  }       // End namespace MqttTypeConverter
  }       // End namespace mqtt
  }       // End namespace components
  }       // End namespace osdev
  
  #endif  // OSDEV_COMPONENTS_MQTT_MQTTTYPECONVERTER_H