1 /*
2  * Copyright (c) 2024 Nordic Semiconductor ASA
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 #include <stdbool.h>
7 #include <stddef.h>
8 #include <stdint.h>
9 #include <stdio.h>
10 
11 #include <zephyr/autoconf.h>
12 #include <zephyr/bluetooth/addr.h>
13 #include <zephyr/bluetooth/audio/tbs.h>
14 #include <zephyr/bluetooth/audio/ccp.h>
15 #include <zephyr/bluetooth/bluetooth.h>
16 #include <zephyr/bluetooth/conn.h>
17 #include <zephyr/logging/log.h>
18 
19 #include "bstests.h"
20 #include "common.h"
21 
22 #ifdef CONFIG_BT_CCP_CALL_CONTROL_SERVER
23 LOG_MODULE_REGISTER(ccp_call_control_server, CONFIG_LOG_DEFAULT_LEVEL);
24 
25 extern enum bst_result_t bst_result;
26 
27 static struct bt_ccp_call_control_server_bearer
28 	*bearers[CONFIG_BT_CCP_CALL_CONTROL_SERVER_BEARER_COUNT];
29 
30 CREATE_FLAG(is_connected);
connected(struct bt_conn * conn,uint8_t err)31 static void connected(struct bt_conn *conn, uint8_t err)
32 {
33 	char addr[BT_ADDR_LE_STR_LEN];
34 
35 	bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
36 
37 	if (err != 0) {
38 		FAIL("Failed to connect to %s (%u)\n", addr, err);
39 		return;
40 	}
41 
42 	LOG_DBG("Connected to %s", addr);
43 
44 	default_conn = bt_conn_ref(conn);
45 	SET_FLAG(is_connected);
46 }
47 
init(void)48 static void init(void)
49 {
50 	static struct bt_conn_cb conn_callbacks = {
51 		.connected = connected,
52 		.disconnected = disconnected,
53 	};
54 
55 	const struct bt_tbs_register_param gtbs_param = {
56 		.provider_name = "Generic TBS",
57 		.uci = "un000",
58 		.uri_schemes_supported = "tel,skype",
59 		.gtbs = true,
60 		.authorization_required = false,
61 		.technology = BT_TBS_TECHNOLOGY_3G,
62 		.supported_features = CONFIG_BT_TBS_SUPPORTED_FEATURES,
63 	};
64 	int err;
65 
66 	err = bt_enable(NULL);
67 	if (err != 0) {
68 		FAIL("Bluetooth enable failed (err %d)\n", err);
69 
70 		return;
71 	}
72 
73 	LOG_DBG("Bluetooth initialized");
74 
75 	err = bt_conn_cb_register(&conn_callbacks);
76 	if (err != 0) {
77 		FAIL("Failed to register conn CBs (err %d)\n", err);
78 
79 		return;
80 	}
81 
82 	err = bt_le_scan_cb_register(&common_scan_cb);
83 	if (err != 0) {
84 		FAIL("Failed to register scan CBs (err %d)\n", err);
85 
86 		return;
87 	}
88 
89 	err = bt_ccp_call_control_server_register_bearer(&gtbs_param, &bearers[0]);
90 	if (err < 0) {
91 		FAIL("Failed to register GTBS (err %d)\n", err);
92 
93 		return;
94 	}
95 
96 	LOG_INF("Registered GTBS bearer");
97 
98 	for (int i = 1; i < CONFIG_BT_CCP_CALL_CONTROL_SERVER_BEARER_COUNT; i++) {
99 		char prov_name[22]; /* Enough to store "Telephone Bearer #255" */
100 		const struct bt_tbs_register_param tbs_param = {
101 			.provider_name = prov_name,
102 			.uci = "un000",
103 			.uri_schemes_supported = "tel,skype",
104 			.gtbs = false,
105 			.authorization_required = false,
106 			/* Set different technologies per bearer */
107 			.technology = (i % BT_TBS_TECHNOLOGY_WCDMA) + 1,
108 			.supported_features = CONFIG_BT_TBS_SUPPORTED_FEATURES,
109 		};
110 
111 		snprintf(prov_name, sizeof(prov_name), "Telephone Bearer #%d", i);
112 
113 		err = bt_ccp_call_control_server_register_bearer(&tbs_param, &bearers[i]);
114 		if (err < 0) {
115 			FAIL("Failed to register bearer[%d]: %d\n", i, err);
116 
117 			return;
118 		}
119 
120 		LOG_INF("Registered bearer[%d]", i);
121 	}
122 
123 	err = bt_le_scan_start(BT_LE_SCAN_PASSIVE, NULL);
124 	if (err != 0) {
125 		FAIL("Scanning failed to start (err %d)\n", err);
126 		return;
127 	}
128 }
129 
unregister_bearers(void)130 static void unregister_bearers(void)
131 {
132 	for (int i = 0; i < CONFIG_BT_CCP_CALL_CONTROL_SERVER_BEARER_COUNT; i++) {
133 		if (bearers[i] != NULL) {
134 			const int err = bt_ccp_call_control_server_unregister_bearer(bearers[i]);
135 
136 			if (err < 0) {
137 				FAIL("Failed to unregister bearer[%d]: %d\n", i, err);
138 
139 				return;
140 			}
141 
142 			LOG_DBG("Unregistered bearer[%d]", i);
143 
144 			bearers[i] = NULL;
145 		}
146 	}
147 }
148 
test_main(void)149 static void test_main(void)
150 {
151 	init();
152 
153 	WAIT_FOR_FLAG(flag_connected);
154 
155 	WAIT_FOR_FLAG(flag_disconnected);
156 
157 	unregister_bearers();
158 
159 	PASS("CCP Call Control Server Passed\n");
160 }
161 
162 static const struct bst_test_instance test_ccp_call_control_server[] = {
163 	{
164 		.test_id = "ccp_call_control_server",
165 		.test_pre_init_f = test_init,
166 		.test_tick_f = test_tick,
167 		.test_main_f = test_main,
168 	},
169 	BSTEST_END_MARKER,
170 };
171 
test_ccp_call_control_server_install(struct bst_test_list * tests)172 struct bst_test_list *test_ccp_call_control_server_install(struct bst_test_list *tests)
173 {
174 	return bst_add_tests(tests, test_ccp_call_control_server);
175 }
176 #else
test_ccp_call_control_server_install(struct bst_test_list * tests)177 struct bst_test_list *test_ccp_call_control_server_install(struct bst_test_list *tests)
178 {
179 	return tests;
180 }
181 
182 #endif /* CONFIG_BT_TBS */
183