aboutsummaryrefslogtreecommitdiffstats
path: root/low-can-binding/binding/application.cpp
blob: bb3bf15b75ce3950c116fedf9e18f7ed1a3586f1 (plain)
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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
/*
 * Copyright (C) 2015, 2016 "IoT.bzh"
 * Author "Romain Forlot" <romain.forlot@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	 http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <ctime>

#include "application.hpp"

#include "../utils/signals.hpp"
#include "../utils/openxc-utils.hpp"
#include "low-can-subscription.hpp"

#define MICROSECONDS_IN_SECOND	1000000
#define ENGINE_VALUE_TIMEOUT	5

application_t::application_t()
	: can_bus_manager_{}
	, message_set_{}
{}

/// @brief Return singleton instance of configuration object.
application_t& application_t::instance()
{
	static application_t config;
	return config;
}

can_bus_t& application_t::get_can_bus_manager()
{
	return can_bus_manager_;
}

std::map<std::string, std::shared_ptr<low_can_subscription_t> >& application_t::get_can_devices()
{
	return can_devices_;
}

diagnostic_manager_t& application_t::get_diagnostic_manager()
{
	return diagnostic_manager_;
}

uint8_t application_t::get_active_message_set() const
{
	return active_message_set_;
}

int application_t::add_message_set(std::shared_ptr<message_set_t> new_message_set)
{
	set_parents(new_message_set);

	for(auto old_msg_set : message_set_)
	{
		if(old_msg_set->get_index() == new_message_set->get_index())
		{
			for(auto new_msg_def : new_message_set->get_messages_definition())
			{
				if(old_msg_set->add_message_definition(new_msg_def) < 0)
					return -1;
			}

			for(auto new_diag_msg : new_message_set->get_diagnostic_messages())
			{
				if(old_msg_set->add_diagnostic_message(new_diag_msg) < 0)
					return -1;
			}
			return 0;
		}
	}

	message_set_.push_back(new_message_set);
	return 0;
}

std::vector<std::shared_ptr<message_set_t> > application_t::get_message_set()
{
	return message_set_;
}

vect_ptr_signal_t application_t::get_all_signals()
{
	return message_set_[active_message_set_]->get_all_signals();
}

vect_ptr_diag_msg_t application_t::get_diagnostic_messages()
{
	return message_set_[active_message_set_]->get_diagnostic_messages();
}

vect_ptr_msg_def_t application_t::get_messages_definition()
{
	return message_set_[active_message_set_]->get_messages_definition();
}


std::shared_ptr<message_definition_t> application_t::get_message_definition(uint32_t id)
{
	std::shared_ptr<message_definition_t> ret = nullptr;
	vect_ptr_msg_def_t messages_definition = get_messages_definition();
	for(std::shared_ptr<message_definition_t> &msg_def : messages_definition)
	{
		if(msg_def->get_id() == id)
		{
			ret = msg_def;
			break;
		}
	}
	return ret;
}


uint32_t application_t::get_signal_id(diagnostic_message_t& sig) const
{
	return sig.get_pid();
}

uint32_t application_t::get_signal_id(signal_t& sig) const
{
	return sig.get_message()->get_id();
}

void application_t::set_active_message_set(uint8_t id)
{
	active_message_set_ = id;
}

bool application_t::is_engine_on()
{
	struct utils::signals_found sf;
	openxc_DynamicField search_key = build_DynamicField("engine.speed");
	sf = utils::signals_manager_t::instance().find_signals(search_key);
	bool engine_on = false;
	uint64_t last_timestamp_in_s;

	if(sf.signals.size() == 1)
	{
		last_timestamp_in_s = sf.signals.front()->get_last_value_with_timestamp().second
						/ MICROSECONDS_IN_SECOND;

		if(sf.signals.front()->get_last_value_with_timestamp().first > 0 &&
		   std::difftime(std::time(nullptr), last_timestamp_in_s) < ENGINE_VALUE_TIMEOUT)
		{
			engine_on = true;
		}
		else
		{
			AFB_NOTICE("is_engine_on: engine.speed CAN signal found, but engine seems off");
		}
	}
	else
	{
		AFB_NOTICE("is_engine_on: Can't identify a useable engine.speed CAN signal");
	}

	if(sf.diagnostic_messages.size() == 1)
	{
		last_timestamp_in_s = sf.diagnostic_messages.front()->get_last_value_with_timestamp().second
						/ MICROSECONDS_IN_SECOND;

		if(sf.diagnostic_messages.front()->get_last_value_with_timestamp().first > 0 &&
		   std::difftime(std::time(nullptr), last_timestamp_in_s) < ENGINE_VALUE_TIMEOUT)
		{
			engine_on = true;
		}
		else
		{
			AFB_NOTICE("is_engine_on: engine.speed diagnostic message found, but engine seems off");
		}
	}
	else
	{
		AFB_NOTICE("is_engine_on: Can't identify a useable engine.speed diagnostic message");
	}

	return engine_on;
}

void application_t::set_parents(std::shared_ptr<message_set_t> new_message_set)
{
	vect_ptr_msg_def_t messages_definition = new_message_set->get_messages_definition();
	for(std::shared_ptr<message_definition_t> cmd : messages_definition)
	{
		cmd->set_parent(new_message_set);
		std::vector<std::shared_ptr<signal_t>> signals = cmd->get_signals();
		for(std::shared_ptr<signal_t> sig: signals)
			sig->set_parent(cmd);
	}

	std::vector<std::shared_ptr<diagnostic_message_t>> diagnostic_messages = new_message_set->get_diagnostic_messages();
	for(std::shared_ptr<diagnostic_message_t> dm : diagnostic_messages)
		dm->set_parent(new_message_set);
}

#ifdef USE_FEATURE_J1939
std::shared_ptr<utils::socketcan_t> application_t::get_socket_address_claiming()
{
	return subscription_address_claiming_->get_socket();
}

std::shared_ptr<low_can_subscription_t> application_t::get_subscription_address_claiming()
{
	return subscription_address_claiming_;
}


void application_t::set_subscription_address_claiming(std::shared_ptr<low_can_subscription_t> new_subscription)
{
	subscription_address_claiming_ = new_subscription;
}

#endif