-
Notifications
You must be signed in to change notification settings - Fork 2.2k
/
_C017.cpp
152 lines (128 loc) · 5.27 KB
/
_C017.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
#include "src/Helpers/_CPlugin_Helper.h"
#ifdef USES_C017
// #######################################################################################################
// ########################### Controller Plugin 017: ZABBIX ##########################################
// #######################################################################################################
// Based on https://www.zabbix.com/documentation/current/manual/appendix/items/trapper
// and https://www.zabbix.com/documentation/4.2/manual/appendix/protocols/header_datalen
// USAGE: at Zabbix server you go at Configuration -> Hosts -> Create host
// The "Host name" should match exactly the EspEasy name (Config -> Unit Name)
// Add a group (mandatory) and hit add. No need to set up IP address or agent.
// Go to the newly created host ->Items ->Create Item
// Name the item something descriptive
// For Key add the EspEasy task Value name (case sensitive)
// Type of information select "Numeric (float)" and press add.
// Aslo make sure that you enable send to controller (under Data Acquisition in tasks)
// and set an interval because you need to actively send the data to Zabbix
# define CPLUGIN_017
# define CPLUGIN_ID_017 17
# define CPLUGIN_NAME_017 "Zabbix"
# include <ArduinoJson.h>
bool CPlugin_017(CPlugin::Function function, struct EventStruct *event, String& string)
{
bool success = false;
switch (function)
{
case CPlugin::Function::CPLUGIN_PROTOCOL_ADD:
{
ProtocolStruct& proto = getProtocolStruct(event->idx); // = CPLUGIN_ID_017;
proto.usesMQTT = false;
proto.usesTemplate = false;
proto.usesAccount = false;
proto.usesPassword = false;
proto.usesID = false;
proto.defaultPort = 10051;
break;
}
case CPlugin::Function::CPLUGIN_GET_DEVICENAME:
{
string = F(CPLUGIN_NAME_017);
break;
}
case CPlugin::Function::CPLUGIN_INIT:
{
success = init_c017_delay_queue(event->ControllerIndex);
break;
}
case CPlugin::Function::CPLUGIN_EXIT:
{
exit_c017_delay_queue();
break;
}
case CPlugin::Function::CPLUGIN_PROTOCOL_SEND:
{
if (C017_DelayHandler == nullptr) {
break;
}
if (C017_DelayHandler->queueFull(event->ControllerIndex)) {
break;
}
std::unique_ptr<C017_queue_element> element(new (std::nothrow) C017_queue_element(event));
success = C017_DelayHandler->addToQueue(std::move(element));
Scheduler.scheduleNextDelayQueue(SchedulerIntervalTimer_e::TIMER_C017_DELAY_QUEUE, C017_DelayHandler->getNextScheduleTime());
break;
}
case CPlugin::Function::CPLUGIN_FLUSH:
{
process_c017_delay_queue();
delay(0);
break;
}
default:
break;
}
return success;
}
// Uncrustify may change this into multi line, which will result in failed builds
// *INDENT-OFF*
bool do_process_c017_delay_queue(cpluginID_t cpluginID, const Queue_element_base& element_base, ControllerSettingsStruct& ControllerSettings) {
const C017_queue_element& element = static_cast<const C017_queue_element&>(element_base);
// *INDENT-ON*
if (element.valueCount == 0) {
return true; // exit if we don't have anything to send.
}
if (!NetworkConnected(10))
{
return false;
}
WiFiClient client;
if (!try_connect_host(cpluginID, client, ControllerSettings, F("ZBX : ")))
{
return false;
}
const size_t capacity = JSON_ARRAY_SIZE(VARS_PER_TASK) + JSON_OBJECT_SIZE(2) + VARS_PER_TASK * JSON_OBJECT_SIZE(3) + VARS_PER_TASK * 50; //Size for esp8266 with 4 variables per task: 288+200
String JSON_packet_content;
{
// Place the JSON document in a separate scope to have it destructed as soon as it is no longer needed.
DynamicJsonDocument root(capacity);
// Create the schafolding
root[F("request")] = F("sender data");
JsonArray data = root.createNestedArray(F("data"));
// Populate JSON with the data
for (uint8_t i = 0; i < element.valueCount; i++)
{
const String taskValueName = Cache.getTaskDeviceValueName(element._taskIndex, i);
if (taskValueName.isEmpty()) {
continue; // Zabbix will ignore an empty key anyway
}
JsonObject block = data.createNestedObject();
block[F("host")] = Settings.getName(); // Zabbix hostname, Unit Name for the ESP easy
block[F("key")] = taskValueName; // Zabbix item key // Value Name for the ESP easy
float value = 0.0f;
validFloatFromString(element.txt[i], value);
block[F("value")] = value; // ESPeasy supports only floats
}
serializeJson(root, JSON_packet_content);
}
// Assemble packet
char packet_header[] = "ZBXD\1";
uint64_t payload_len = JSON_packet_content.length();
// addLog(LOG_LEVEL_INFO, concat(F("ZBX: "), JSON_packet_content));
// Send the packet
client.write(packet_header, sizeof(packet_header) - 1);
client.write(reinterpret_cast<const char *>(&payload_len), sizeof(payload_len));
client.write(JSON_packet_content.c_str(), payload_len);
client.stop();
return true;
}
#endif // ifdef USES_C017