Boot Linux faster!

Check our new training course

Boot Linux faster!

Check our new training course
and Creative Commons CC-BY-SA
lecture and lab materials

Bootlin logo

Elixir Cross Referencer

  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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
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
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
/*  Bluetooth Mesh */

/*
 * Copyright (c) 2017 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <zephyr.h>
#include <string.h>
#include <errno.h>
#include <stdbool.h>
#include <zephyr/types.h>
#include <sys/byteorder.h>
#include <sys/util.h>

#include <bluetooth/bluetooth.h>
#include <bluetooth/mesh.h>

#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_MESH_DEBUG_MODEL)
#define LOG_MODULE_NAME bt_mesh_health_srv
#include "common/log.h"

#include "mesh.h"
#include "adv.h"
#include "net.h"
#include "transport.h"
#include "access.h"
#include "foundation.h"

#define HEALTH_TEST_STANDARD 0x00

/* Health Server context of the primary element */
struct bt_mesh_health_srv *health_srv;

static void health_get_registered(struct bt_mesh_model *mod,
				  u16_t company_id,
				  struct net_buf_simple *msg)
{
	struct bt_mesh_health_srv *srv = mod->user_data;
	u8_t *test_id;

	BT_DBG("Company ID 0x%04x", company_id);

	bt_mesh_model_msg_init(msg, OP_HEALTH_FAULT_STATUS);

	test_id = net_buf_simple_add(msg, 1);
	net_buf_simple_add_le16(msg, company_id);

	if (srv->cb && srv->cb->fault_get_reg) {
		u8_t fault_count = net_buf_simple_tailroom(msg) - 4;
		int err;

		err = srv->cb->fault_get_reg(mod, company_id, test_id,
					     net_buf_simple_tail(msg),
					     &fault_count);
		if (err) {
			BT_ERR("Failed to get faults (err %d)", err);
			*test_id = HEALTH_TEST_STANDARD;
		} else {
			net_buf_simple_add(msg, fault_count);
		}
	} else {
		BT_WARN("No callback for getting faults");
		*test_id = HEALTH_TEST_STANDARD;
	}
}

static size_t health_get_current(struct bt_mesh_model *mod,
				 struct net_buf_simple *msg)
{
	struct bt_mesh_health_srv *srv = mod->user_data;
	const struct bt_mesh_comp *comp;
	u8_t *test_id, *company_ptr;
	u16_t company_id;
	u8_t fault_count;
	int err;

	bt_mesh_model_msg_init(msg, OP_HEALTH_CURRENT_STATUS);

	test_id = net_buf_simple_add(msg, 1);
	company_ptr = net_buf_simple_add(msg, sizeof(company_id));
	comp = bt_mesh_comp_get();

	if (srv->cb && srv->cb->fault_get_cur) {
		fault_count = net_buf_simple_tailroom(msg);
		err = srv->cb->fault_get_cur(mod, test_id, &company_id,
					     net_buf_simple_tail(msg),
					     &fault_count);
		if (err) {
			BT_ERR("Failed to get faults (err %d)", err);
			sys_put_le16(comp->cid, company_ptr);
			*test_id = HEALTH_TEST_STANDARD;
			fault_count = 0U;
		} else {
			sys_put_le16(company_id, company_ptr);
			net_buf_simple_add(msg, fault_count);
		}
	} else {
		BT_WARN("No callback for getting faults");
		sys_put_le16(comp->cid, company_ptr);
		*test_id = HEALTH_TEST_STANDARD;
		fault_count = 0U;
	}

	return fault_count;
}

static void health_fault_get(struct bt_mesh_model *model,
			     struct bt_mesh_msg_ctx *ctx,
			     struct net_buf_simple *buf)
{
	NET_BUF_SIMPLE_DEFINE(sdu, BT_MESH_TX_SDU_MAX);
	u16_t company_id;

	company_id = net_buf_simple_pull_le16(buf);

	BT_DBG("company_id 0x%04x", company_id);

	health_get_registered(model, company_id, &sdu);

	if (bt_mesh_model_send(model, ctx, &sdu, NULL, NULL)) {
		BT_ERR("Unable to send Health Current Status response");
	}
}

static void health_fault_clear_unrel(struct bt_mesh_model *model,
				     struct bt_mesh_msg_ctx *ctx,
				     struct net_buf_simple *buf)
{
	struct bt_mesh_health_srv *srv = model->user_data;
	u16_t company_id;

	company_id = net_buf_simple_pull_le16(buf);

	BT_DBG("company_id 0x%04x", company_id);

	if (srv->cb && srv->cb->fault_clear) {
		srv->cb->fault_clear(model, company_id);
	}
}

static void health_fault_clear(struct bt_mesh_model *model,
			       struct bt_mesh_msg_ctx *ctx,
			       struct net_buf_simple *buf)
{
	NET_BUF_SIMPLE_DEFINE(sdu, BT_MESH_TX_SDU_MAX);
	struct bt_mesh_health_srv *srv = model->user_data;
	u16_t company_id;

	company_id = net_buf_simple_pull_le16(buf);

	BT_DBG("company_id 0x%04x", company_id);

	if (srv->cb && srv->cb->fault_clear) {
		srv->cb->fault_clear(model, company_id);
	}

	health_get_registered(model, company_id, &sdu);

	if (bt_mesh_model_send(model, ctx, &sdu, NULL, NULL)) {
		BT_ERR("Unable to send Health Current Status response");
	}
}

static void health_fault_test_unrel(struct bt_mesh_model *model,
				    struct bt_mesh_msg_ctx *ctx,
				    struct net_buf_simple *buf)
{
	struct bt_mesh_health_srv *srv = model->user_data;
	u16_t company_id;
	u8_t test_id;

	test_id = net_buf_simple_pull_u8(buf);
	company_id = net_buf_simple_pull_le16(buf);

	BT_DBG("test 0x%02x company 0x%04x", test_id, company_id);

	if (srv->cb && srv->cb->fault_test) {
		srv->cb->fault_test(model, test_id, company_id);
	}
}

static void health_fault_test(struct bt_mesh_model *model,
			      struct bt_mesh_msg_ctx *ctx,
			      struct net_buf_simple *buf)
{
	NET_BUF_SIMPLE_DEFINE(sdu, BT_MESH_TX_SDU_MAX);
	struct bt_mesh_health_srv *srv = model->user_data;
	u16_t company_id;
	u8_t test_id;

	BT_DBG("");

	test_id = net_buf_simple_pull_u8(buf);
	company_id = net_buf_simple_pull_le16(buf);

	BT_DBG("test 0x%02x company 0x%04x", test_id, company_id);

	if (srv->cb && srv->cb->fault_test) {
		int err;

		err = srv->cb->fault_test(model, test_id, company_id);
		if (err) {
			BT_WARN("Running fault test failed with err %d", err);
			return;
		}
	}

	health_get_registered(model, company_id, &sdu);

	if (bt_mesh_model_send(model, ctx, &sdu, NULL, NULL)) {
		BT_ERR("Unable to send Health Current Status response");
	}
}

static void send_attention_status(struct bt_mesh_model *model,
				  struct bt_mesh_msg_ctx *ctx)
{
	/* Needed size: opcode (2 bytes) + msg + MIC */
	BT_MESH_MODEL_BUF_DEFINE(msg, OP_ATTENTION_STATUS, 1);
	struct bt_mesh_health_srv *srv = model->user_data;
	u8_t time;

	time = k_delayed_work_remaining_get(&srv->attn_timer) / 1000;
	BT_DBG("%u second%s", time, (time == 1U) ? "" : "s");

	bt_mesh_model_msg_init(&msg, OP_ATTENTION_STATUS);

	net_buf_simple_add_u8(&msg, time);

	if (bt_mesh_model_send(model, ctx, &msg, NULL, NULL)) {
		BT_ERR("Unable to send Attention Status");
	}
}

static void attention_get(struct bt_mesh_model *model,
			  struct bt_mesh_msg_ctx *ctx,
			  struct net_buf_simple *buf)
{
	BT_DBG("");

	send_attention_status(model, ctx);
}

static void attention_set_unrel(struct bt_mesh_model *model,
				struct bt_mesh_msg_ctx *ctx,
				struct net_buf_simple *buf)
{
	u8_t time;

	time = net_buf_simple_pull_u8(buf);

	BT_DBG("%u second%s", time, (time == 1U) ? "" : "s");

	bt_mesh_attention(model, time);
}

static void attention_set(struct bt_mesh_model *model,
			  struct bt_mesh_msg_ctx *ctx,
			  struct net_buf_simple *buf)
{
	BT_DBG("");

	attention_set_unrel(model, ctx, buf);

	send_attention_status(model, ctx);
}

static void send_health_period_status(struct bt_mesh_model *model,
				      struct bt_mesh_msg_ctx *ctx)
{
	/* Needed size: opcode (2 bytes) + msg + MIC */
	BT_MESH_MODEL_BUF_DEFINE(msg, OP_HEALTH_PERIOD_STATUS, 1);

	bt_mesh_model_msg_init(&msg, OP_HEALTH_PERIOD_STATUS);

	net_buf_simple_add_u8(&msg, model->pub->period_div);

	if (bt_mesh_model_send(model, ctx, &msg, NULL, NULL)) {
		BT_ERR("Unable to send Health Period Status");
	}
}

static void health_period_get(struct bt_mesh_model *model,
			      struct bt_mesh_msg_ctx *ctx,
			      struct net_buf_simple *buf)
{
	BT_DBG("");

	send_health_period_status(model, ctx);
}

static void health_period_set_unrel(struct bt_mesh_model *model,
				    struct bt_mesh_msg_ctx *ctx,
				    struct net_buf_simple *buf)
{
	u8_t period;

	period = net_buf_simple_pull_u8(buf);
	if (period > 15) {
		BT_WARN("Prohibited period value %u", period);
		return;
	}

	BT_DBG("period %u", period);

	model->pub->period_div = period;
}

static void health_period_set(struct bt_mesh_model *model,
			      struct bt_mesh_msg_ctx *ctx,
			      struct net_buf_simple *buf)
{
	BT_DBG("");

	health_period_set_unrel(model, ctx, buf);

	send_health_period_status(model, ctx);
}

const struct bt_mesh_model_op bt_mesh_health_srv_op[] = {
	{ OP_HEALTH_FAULT_GET,         2,   health_fault_get },
	{ OP_HEALTH_FAULT_CLEAR,       2,   health_fault_clear },
	{ OP_HEALTH_FAULT_CLEAR_UNREL, 2,   health_fault_clear_unrel },
	{ OP_HEALTH_FAULT_TEST,        3,   health_fault_test },
	{ OP_HEALTH_FAULT_TEST_UNREL,  3,   health_fault_test_unrel },
	{ OP_HEALTH_PERIOD_GET,        0,   health_period_get },
	{ OP_HEALTH_PERIOD_SET,        1,   health_period_set },
	{ OP_HEALTH_PERIOD_SET_UNREL,  1,   health_period_set_unrel },
	{ OP_ATTENTION_GET,            0,   attention_get },
	{ OP_ATTENTION_SET,            1,   attention_set },
	{ OP_ATTENTION_SET_UNREL,      1,   attention_set_unrel },
	BT_MESH_MODEL_OP_END,
};

static int health_pub_update(struct bt_mesh_model *mod)
{
	struct bt_mesh_model_pub *pub = mod->pub;
	size_t count;

	BT_DBG("");

	count = health_get_current(mod, pub->msg);
	if (count) {
		pub->fast_period = 1U;
	} else {
		pub->fast_period = 0U;
	}

	return 0;
}

int bt_mesh_fault_update(struct bt_mesh_elem *elem)
{
	struct bt_mesh_model *mod;

	mod = bt_mesh_model_find(elem, BT_MESH_MODEL_ID_HEALTH_SRV);
	if (!mod) {
		return -EINVAL;
	}

	/* Let periodic publishing, if enabled, take care of sending the
	 * Health Current Status.
	 */
	if (bt_mesh_model_pub_period_get(mod)) {
		return 0;
	}

	health_pub_update(mod);

	return bt_mesh_model_publish(mod);
}

static void attention_off(struct k_work *work)
{
	struct bt_mesh_health_srv *srv = CONTAINER_OF(work,
						      struct bt_mesh_health_srv,
						      attn_timer.work);
	BT_DBG("");

	if (srv->cb && srv->cb->attn_off) {
		srv->cb->attn_off(srv->model);
	}
}

static int health_srv_init(struct bt_mesh_model *model)
{
	struct bt_mesh_health_srv *srv = model->user_data;

	if (!srv) {
		if (!bt_mesh_model_in_primary(model)) {
			return 0;
		}

		BT_ERR("No Health Server context provided");
		return -EINVAL;
	}

	if (!model->pub) {
		BT_ERR("Health Server has no publication support");
		return -EINVAL;
	}

	model->pub->update = health_pub_update;

	k_delayed_work_init(&srv->attn_timer, attention_off);

	srv->model = model;

	if (bt_mesh_model_in_primary(model)) {
		health_srv = srv;
	}

	return 0;
}

const struct bt_mesh_model_cb bt_mesh_health_srv_cb = {
	.init = health_srv_init,
};

void bt_mesh_attention(struct bt_mesh_model *model, u8_t time)
{
	struct bt_mesh_health_srv *srv;

	if (!model) {
		srv = health_srv;
		if (!srv) {
			BT_WARN("No Health Server available");
			return;
		}

		model = srv->model;
	} else {
		srv = model->user_data;
	}

	if (time) {
		if (srv->cb && srv->cb->attn_on) {
			srv->cb->attn_on(model);
		}

		k_delayed_work_submit(&srv->attn_timer, time * 1000U);
	} else {
		k_delayed_work_cancel(&srv->attn_timer);

		if (srv->cb && srv->cb->attn_off) {
			srv->cb->attn_off(model);
		}
	}
}