1 /******************************************************************************
2  *
3  *  Copyright (C) 2014 The Android Open Source Project
4  *  Copyright (C) 2003-2012 Broadcom Corporation
5  *
6  *  Licensed under the Apache License, Version 2.0 (the "License");
7  *  you may not use this file except in compliance with the License.
8  *  You may obtain a copy of the License at:
9  *
10  *  http://www.apache.org/licenses/LICENSE-2.0
11  *
12  *  Unless required by applicable law or agreed to in writing, software
13  *  distributed under the License is distributed on an "AS IS" BASIS,
14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  *
18  ******************************************************************************/
19 
20 /******************************************************************************
21  *
22  *  This is the implementation of the API for MCE subsystem
23  *
24  ******************************************************************************/
25 
26 #include <string.h>
27 
28 #include "bt_common.h"
29 #include "bt_types.h"
30 #include "bta_api.h"
31 #include "bta_mce_api.h"
32 #include "bta_mce_int.h"
33 #include "bta_sys.h"
34 #include "port_api.h"
35 #include "sdp_api.h"
36 
37 /*****************************************************************************
38  *  Constants
39  ****************************************************************************/
40 
41 static const tBTA_SYS_REG bta_mce_reg = {bta_mce_sm_execute, NULL};
42 
43 /*******************************************************************************
44  *
45  * Function         BTA_MceEnable
46  *
47  * Description      Enable the MCE I/F service. When the enable
48  *                  operation is complete the callback function will be
49  *                  called with a BTA_MCE_ENABLE_EVT. This function must
50  *                  be called before other functions in the MCE API are
51  *                  called.
52  *
53  * Returns          BTA_MCE_SUCCESS if successful.
54  *                  BTA_MCE_FAIL if internal failure.
55  *
56  ******************************************************************************/
BTA_MceEnable(tBTA_MCE_DM_CBACK * p_cback)57 tBTA_MCE_STATUS BTA_MceEnable(tBTA_MCE_DM_CBACK* p_cback) {
58   tBTA_MCE_STATUS status = BTA_MCE_FAILURE;
59 
60   APPL_TRACE_API("%", __func__);
61 
62   if (p_cback && false == bta_sys_is_register(BTA_ID_MCE)) {
63     memset(&bta_mce_cb, 0, sizeof(tBTA_MCE_CB));
64 
65     /* register with BTA system manager */
66     bta_sys_register(BTA_ID_MCE, &bta_mce_reg);
67 
68     if (p_cback) {
69       tBTA_MCE_API_ENABLE* p_buf =
70           (tBTA_MCE_API_ENABLE*)osi_malloc(sizeof(tBTA_MCE_API_ENABLE));
71       p_buf->hdr.event = BTA_MCE_API_ENABLE_EVT;
72       p_buf->p_cback = p_cback;
73       bta_sys_sendmsg(p_buf);
74       status = BTA_MCE_SUCCESS;
75     }
76   }
77 
78   return status;
79 }
80 
81 /*******************************************************************************
82  *
83  * Function         BTA_MceGetRemoteMasInstances
84  *
85  * Description      This function performs service discovery for the MAS service
86  *                  by the given peer device. When the operation is completed
87  *                  the tBTA_MCE_DM_CBACK callback function will be  called with
88  *                  a BTA_MCE_MAS_DISCOVERY_COMP_EVT.
89  *
90  * Returns          BTA_MCE_SUCCESS, if the request is being processed.
91  *                  BTA_MCE_FAILURE, otherwise.
92  *
93  ******************************************************************************/
BTA_MceGetRemoteMasInstances(BD_ADDR bd_addr)94 tBTA_MCE_STATUS BTA_MceGetRemoteMasInstances(BD_ADDR bd_addr) {
95   tBTA_MCE_API_GET_REMOTE_MAS_INSTANCES* p_msg =
96       (tBTA_MCE_API_GET_REMOTE_MAS_INSTANCES*)osi_malloc(
97           sizeof(tBTA_MCE_API_GET_REMOTE_MAS_INSTANCES));
98 
99   APPL_TRACE_API("%s", __func__);
100 
101   p_msg->hdr.event = BTA_MCE_API_GET_REMOTE_MAS_INSTANCES_EVT;
102   bdcpy(p_msg->bd_addr, bd_addr);
103 
104   bta_sys_sendmsg(p_msg);
105 
106   return BTA_MCE_SUCCESS;
107 }
108