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
|
/******************************************************************************
*
* Copyright (C) 2014 The Android Open Source Project
* Copyright (C) 2003-2012 Broadcom Corporation
*
* 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.
*
******************************************************************************/
/******************************************************************************
*
* This file contains action functions for MCE.
*
******************************************************************************/
#include <arpa/inet.h>
#include <hardware/bluetooth.h>
#include <string.h>
#include "bt_common.h"
#include "bt_types.h"
#include "bta_api.h"
#include "bta_mce_api.h"
#include "bta_mce_int.h"
#include "bta_sys.h"
#include "btm_api.h"
#include "btm_int.h"
#include "sdp_api.h"
#include "utl.h"
/*****************************************************************************
* Constants
****************************************************************************/
static const tBT_UUID bta_mce_mas_uuid = {
.len = 2, .uu.uuid16 = UUID_SERVCLASS_MESSAGE_ACCESS};
/*******************************************************************************
*
* Function bta_mce_search_cback
*
* Description Callback from btm after search is completed
*
* Returns void
*
******************************************************************************/
static void bta_mce_search_cback(uint16_t result, void* user_data) {
tSDP_DISC_REC* p_rec = NULL;
tBTA_MCE_MAS_DISCOVERY_COMP evt_data;
int found = 0;
APPL_TRACE_DEBUG("bta_mce_start_discovery_cback res: 0x%x", result);
bta_mce_cb.sdp_active = BTA_MCE_SDP_ACT_NONE;
if (bta_mce_cb.p_dm_cback == NULL) return;
evt_data.status = BTA_MCE_FAILURE;
evt_data.remote_addr = bta_mce_cb.remote_addr;
evt_data.num_mas = 0;
if (result == SDP_SUCCESS || result == SDP_DB_FULL) {
do {
tSDP_DISC_ATTR* p_attr;
tSDP_PROTOCOL_ELEM pe;
p_rec = SDP_FindServiceUUIDInDb(p_bta_mce_cfg->p_sdp_db,
(tBT_UUID*)&bta_mce_mas_uuid, p_rec);
APPL_TRACE_DEBUG("p_rec:%p", p_rec);
if (p_rec == NULL) break;
if (!SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_RFCOMM, &pe))
continue;
evt_data.mas[found].scn = pe.params[0];
p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SERVICE_NAME);
if (p_attr == NULL) continue;
evt_data.mas[found].p_srv_name = (char*)p_attr->attr_value.v.array;
evt_data.mas[found].srv_name_len =
SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_MAS_INSTANCE_ID);
if (p_attr == NULL) break;
evt_data.mas[found].instance_id = p_attr->attr_value.v.u8;
p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SUPPORTED_MSG_TYPE);
if (p_attr == NULL) break;
evt_data.mas[found].msg_type = p_attr->attr_value.v.u8;
found++;
} while (p_rec != NULL && found < BTA_MCE_MAX_MAS_INSTANCES);
evt_data.num_mas = found;
evt_data.status = BTA_MCE_SUCCESS;
}
tBTA_MCE bta_mce;
bta_mce.mas_disc_comp = evt_data;
bta_mce_cb.p_dm_cback(BTA_MCE_MAS_DISCOVERY_COMP_EVT, &bta_mce, user_data);
}
/*******************************************************************************
*
* Function bta_mce_enable
*
* Description Initializes the MCE I/F
*
* Returns void
*
******************************************************************************/
void bta_mce_enable(tBTA_MCE_MSG* p_data) {
tBTA_MCE_STATUS status = BTA_MCE_SUCCESS;
bta_mce_cb.p_dm_cback = p_data->enable.p_cback;
tBTA_MCE bta_mce;
bta_mce.status = status;
bta_mce_cb.p_dm_cback(BTA_MCE_ENABLE_EVT, &bta_mce, NULL);
}
/*******************************************************************************
*
* Function bta_mce_get_remote_mas_instances
*
* Description Discovers MAS instances on remote device
*
* Returns void
*
******************************************************************************/
void bta_mce_get_remote_mas_instances(tBTA_MCE_MSG* p_data) {
if (p_data == NULL) {
APPL_TRACE_DEBUG("MCE control block handle is null");
return;
}
tBTA_MCE_STATUS status = BTA_MCE_FAILURE;
APPL_TRACE_DEBUG("%s in, sdp_active:%d", __func__, bta_mce_cb.sdp_active);
if (bta_mce_cb.sdp_active != BTA_MCE_SDP_ACT_NONE) {
/* SDP is still in progress */
status = BTA_MCE_BUSY;
if (bta_mce_cb.p_dm_cback) {
tBTA_MCE bta_mce;
bta_mce.status = status;
bta_mce_cb.p_dm_cback(BTA_MCE_MAS_DISCOVERY_COMP_EVT, &bta_mce, NULL);
}
return;
}
bta_mce_cb.sdp_active = BTA_MCE_SDP_ACT_YES;
bta_mce_cb.remote_addr = p_data->get_rmt_mas.bd_addr;
SDP_InitDiscoveryDb(p_bta_mce_cfg->p_sdp_db, p_bta_mce_cfg->sdp_db_size, 1,
(tBT_UUID*)&bta_mce_mas_uuid, 0, NULL);
if (!SDP_ServiceSearchAttributeRequest2(p_data->get_rmt_mas.bd_addr,
p_bta_mce_cfg->p_sdp_db,
bta_mce_search_cback, NULL)) {
bta_mce_cb.sdp_active = BTA_MCE_SDP_ACT_NONE;
/* failed to start SDP. report the failure right away */
if (bta_mce_cb.p_dm_cback) {
tBTA_MCE bta_mce;
bta_mce.status = status;
bta_mce_cb.p_dm_cback(BTA_MCE_MAS_DISCOVERY_COMP_EVT, &bta_mce, NULL);
}
}
/*
else report the result when the cback is called
*/
}
|
