| /****************************************************************************** |
| * |
| * Copyright (c) 2014 The Android Open Source Project |
| * Copyright (C) 2004-2012 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 the audio gateway functions controlling the RFCOMM |
| * connections. |
| * |
| ******************************************************************************/ |
| |
| #include <string.h> |
| #include "bta_api.h" |
| #include "bta_hf_client_int.h" |
| #include "port_api.h" |
| #include "bd.h" |
| #include "bt_utils.h" |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hf_client_port_cback |
| ** |
| ** Description RFCOMM Port callback |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_hf_client_port_cback(UINT32 code, UINT16 port_handle) |
| { |
| BT_HDR *p_buf; |
| UNUSED(code); |
| |
| /* ignore port events for port handles other than connected handle */ |
| if (port_handle != bta_hf_client_cb.scb.conn_handle) |
| { |
| APPL_TRACE_DEBUG("bta_hf_client_port_cback ignoring handle:%d conn_handle = %d", |
| port_handle, bta_hf_client_cb.scb.conn_handle); |
| return; |
| } |
| |
| if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) |
| { |
| p_buf->event = BTA_HF_CLIENT_RFC_DATA_EVT; |
| bta_sys_sendmsg(p_buf); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hf_client_mgmt_cback |
| ** |
| ** Description RFCOMM management callback |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void bta_hf_client_mgmt_cback(UINT32 code, UINT16 port_handle) |
| { |
| tBTA_HF_CLIENT_RFC *p_buf; |
| UINT16 event; |
| |
| APPL_TRACE_DEBUG("bta_hf_client_mgmt_cback : code = %d, port_handle = %d, conn_handle = %d, serv_handle = %d", |
| code, port_handle, bta_hf_client_cb.scb.conn_handle, bta_hf_client_cb.scb.serv_handle); |
| |
| /* ignore close event for port handles other than connected handle */ |
| if ((code != PORT_SUCCESS) && (port_handle != bta_hf_client_cb.scb.conn_handle)) |
| { |
| APPL_TRACE_DEBUG("bta_hf_client_mgmt_cback ignoring handle:%d", port_handle); |
| return; |
| } |
| |
| if (code == PORT_SUCCESS) |
| { |
| if ((bta_hf_client_cb.scb.conn_handle && (port_handle == bta_hf_client_cb.scb.conn_handle)) || /* outgoing connection */ |
| (port_handle == bta_hf_client_cb.scb.serv_handle)) /* incoming connection */ |
| { |
| event = BTA_HF_CLIENT_RFC_OPEN_EVT; |
| } |
| else |
| { |
| APPL_TRACE_ERROR ("bta_hf_client_mgmt_cback: PORT_SUCCESS, ignoring handle = %d", port_handle); |
| return; |
| } |
| } |
| /* distinguish server close events */ |
| else if (port_handle == bta_hf_client_cb.scb.conn_handle) |
| { |
| event = BTA_HF_CLIENT_RFC_CLOSE_EVT; |
| } |
| else |
| { |
| event = BTA_HF_CLIENT_RFC_SRV_CLOSE_EVT; |
| } |
| |
| if ((p_buf = (tBTA_HF_CLIENT_RFC *) GKI_getbuf(sizeof(tBTA_HF_CLIENT_RFC))) != NULL) |
| { |
| p_buf->hdr.event = event; |
| p_buf->port_handle = port_handle; |
| bta_sys_sendmsg(p_buf); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hf_client_setup_port |
| ** |
| ** Description Setup RFCOMM port for use by HF Client. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hf_client_setup_port(UINT16 handle) |
| { |
| PORT_SetEventMask(handle, PORT_EV_RXCHAR); |
| PORT_SetEventCallback(handle, bta_hf_client_port_cback); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hf_client_start_server |
| ** |
| ** Description Setup RFCOMM server for use by HF Client. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hf_client_start_server(void) |
| { |
| int i; |
| int port_status; |
| |
| if (bta_hf_client_cb.scb.serv_handle > 0) |
| { |
| APPL_TRACE_DEBUG("%s already started, handle: %d", __FUNCTION__, bta_hf_client_cb.scb.serv_handle); |
| return; |
| } |
| |
| BTM_SetSecurityLevel(FALSE, "", BTM_SEC_SERVICE_HF_HANDSFREE, bta_hf_client_cb.scb.serv_sec_mask, |
| BT_PSM_RFCOMM, BTM_SEC_PROTO_RFCOMM, bta_hf_client_cb.scn); |
| |
| port_status = RFCOMM_CreateConnection(UUID_SERVCLASS_HF_HANDSFREE, bta_hf_client_cb.scn, |
| TRUE, BTA_HF_CLIENT_MTU, (UINT8 *) bd_addr_any, &(bta_hf_client_cb.scb.serv_handle), |
| bta_hf_client_mgmt_cback); |
| |
| if (port_status == PORT_SUCCESS) |
| { |
| bta_hf_client_setup_port(bta_hf_client_cb.scb.serv_handle); |
| } |
| else |
| { |
| /* TODO: can we handle this better? */ |
| APPL_TRACE_DEBUG("bta_hf_client_start_server: RFCOMM_CreateConnection returned error:%d", port_status); |
| } |
| |
| APPL_TRACE_DEBUG("bta_hf_client_start_server handle: %d", bta_hf_client_cb.scb.serv_handle); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hf_client_close_server |
| ** |
| ** Description Close RFCOMM server port for use by HF Client. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hf_client_close_server(void) |
| { |
| APPL_TRACE_DEBUG("%s %d", __FUNCTION__, bta_hf_client_cb.scb.serv_handle); |
| |
| if (bta_hf_client_cb.scb.serv_handle == 0) |
| { |
| APPL_TRACE_DEBUG("%s already stopped", __FUNCTION__); |
| return; |
| } |
| |
| RFCOMM_RemoveServer(bta_hf_client_cb.scb.serv_handle); |
| bta_hf_client_cb.scb.serv_handle = 0; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hf_client_rfc_do_open |
| ** |
| ** Description Open an RFCOMM connection to the peer device. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hf_client_rfc_do_open(tBTA_HF_CLIENT_DATA *p_data) |
| { |
| BTM_SetSecurityLevel(TRUE, "", BTM_SEC_SERVICE_HF_HANDSFREE, |
| bta_hf_client_cb.scb.cli_sec_mask, BT_PSM_RFCOMM, |
| BTM_SEC_PROTO_RFCOMM, bta_hf_client_cb.scb.peer_scn); |
| |
| if (RFCOMM_CreateConnection(UUID_SERVCLASS_HF_HANDSFREE, bta_hf_client_cb.scb.peer_scn, |
| FALSE, BTA_HF_CLIENT_MTU, bta_hf_client_cb.scb.peer_addr, &(bta_hf_client_cb.scb.conn_handle), |
| bta_hf_client_mgmt_cback) == PORT_SUCCESS) |
| { |
| bta_hf_client_setup_port(bta_hf_client_cb.scb.conn_handle); |
| APPL_TRACE_DEBUG("bta_hf_client_rfc_do_open : conn_handle = %d", bta_hf_client_cb.scb.conn_handle); |
| } |
| /* RFCOMM create connection failed; send ourselves RFCOMM close event */ |
| else |
| { |
| bta_hf_client_sm_execute(BTA_HF_CLIENT_RFC_CLOSE_EVT, p_data); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function bta_hf_client_rfc_do_close |
| ** |
| ** Description Close RFCOMM connection. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void bta_hf_client_rfc_do_close(tBTA_HF_CLIENT_DATA *p_data) |
| { |
| tBTA_HF_CLIENT_RFC *p_buf; |
| UNUSED(p_data); |
| |
| if (bta_hf_client_cb.scb.conn_handle) |
| { |
| RFCOMM_RemoveConnection(bta_hf_client_cb.scb.conn_handle); |
| } |
| else |
| { |
| /* Close API was called while HF Client is in Opening state. */ |
| /* Need to trigger the state machine to send callback to the app */ |
| /* and move back to INIT state. */ |
| if ((p_buf = (tBTA_HF_CLIENT_RFC *) GKI_getbuf(sizeof(tBTA_HF_CLIENT_RFC))) != NULL) |
| { |
| p_buf->hdr.event = BTA_HF_CLIENT_RFC_CLOSE_EVT; |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /* Cancel SDP if it had been started. */ |
| if(bta_hf_client_cb.scb.p_disc_db) |
| { |
| (void)SDP_CancelServiceSearch (bta_hf_client_cb.scb.p_disc_db); |
| bta_hf_client_free_db(NULL); |
| } |
| } |
| } |