1 /*
2 * Copyright (c) 2018 Intel Corporation
3 * Copyright (c) 2023 Basalte bv
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 */
7
8 #include <zephyr/logging/log.h>
9 LOG_MODULE_DECLARE(net_coap_service_sample);
10
11 #include <zephyr/sys/printk.h>
12 #include <zephyr/net/coap_service.h>
13
separate_get(struct coap_resource * resource,struct coap_packet * request,struct sockaddr * addr,socklen_t addr_len)14 static int separate_get(struct coap_resource *resource,
15 struct coap_packet *request,
16 struct sockaddr *addr, socklen_t addr_len)
17 {
18 uint8_t data[CONFIG_COAP_SERVER_MESSAGE_SIZE];
19 struct coap_packet response;
20 uint8_t payload[40];
21 uint8_t token[COAP_TOKEN_MAX_LEN];
22 uint16_t id;
23 uint8_t code;
24 uint8_t type;
25 uint8_t tkl;
26 int r;
27
28 code = coap_header_get_code(request);
29 type = coap_header_get_type(request);
30 id = coap_header_get_id(request);
31 tkl = coap_header_get_token(request, token);
32
33 LOG_INF("*******");
34 LOG_INF("type: %u code %u id %u", type, code, id);
35 LOG_INF("*******");
36
37 if (type == COAP_TYPE_ACK) {
38 return 0;
39 }
40
41 r = coap_ack_init(&response, request, data, sizeof(data), 0);
42 if (r < 0) {
43 return r;
44 }
45
46 r = coap_resource_send(resource, &response, addr, addr_len, NULL);
47 if (r < 0) {
48 return r;
49 }
50
51 if (type == COAP_TYPE_CON) {
52 type = COAP_TYPE_CON;
53 } else {
54 type = COAP_TYPE_NON_CON;
55 }
56
57 /* Re-use the buffer */
58 r = coap_packet_init(&response, data, sizeof(data),
59 COAP_VERSION_1, type, tkl, token,
60 COAP_RESPONSE_CODE_CONTENT, coap_next_id());
61 if (r < 0) {
62 return r;
63 }
64
65 r = coap_append_option_int(&response, COAP_OPTION_CONTENT_FORMAT,
66 COAP_CONTENT_FORMAT_TEXT_PLAIN);
67 if (r < 0) {
68 return r;
69 }
70
71 r = coap_packet_append_payload_marker(&response);
72 if (r < 0) {
73 return r;
74 }
75
76 /* The response that coap-client expects */
77 r = snprintk((char *) payload, sizeof(payload),
78 "Type: %u\nCode: %u\nMID: %u\n", type, code, id);
79 if (r < 0) {
80 return r;
81 }
82
83 r = coap_packet_append_payload(&response, (uint8_t *)payload,
84 strlen(payload));
85 if (r < 0) {
86 return r;
87 }
88
89 r = coap_resource_send(resource, &response, addr, addr_len, NULL);
90
91 return r;
92 }
93
94 static const char * const separate_path[] = { "separate", NULL };
95 COAP_RESOURCE_DEFINE(separate, coap_server,
96 {
97 .get = separate_get,
98 .path = separate_path,
99 });
100
