/****************************************************************************** * * Copyright 2006-2012 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 is the implementation of the JAVA API for Bluetooth Wireless * Technology (JABWT) as specified by the JSR82 specificiation * ******************************************************************************/ #include #include #include #include #include #include "bta/jv/bta_jv_int.h" #include "internal_include/bt_target.h" #include "internal_include/bt_trace.h" #include "osi/include/allocator.h" #include "stack/include/bt_hdr.h" #include "stack/include/gap_api.h" #include "stack/include/main_thread.h" #include "types/bluetooth/uuid.h" #include "types/raw_address.h" using base::Bind; using bluetooth::Uuid; using namespace bluetooth; namespace { bool bta_jv_enabled = false; } /******************************************************************************* * * Function BTA_JvEnable * * Description Enable the Java I/F service. When the enable * operation is complete the callback function will be * called with a BTA_JV_ENABLE_EVT. This function must * be called before other function in the JV API are * called. * * Returns tBTA_JV_STATUS::SUCCESS if successful. * tBTA_JV_STATUS::FAILURE if internal failure. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvEnable(tBTA_JV_DM_CBACK* p_cback) { log::verbose(""); if (!p_cback || bta_jv_enabled) { log::error("failure"); return tBTA_JV_STATUS::FAILURE; } memset(&bta_jv_cb, 0, sizeof(tBTA_JV_CB)); /* set handle to invalid value by default */ for (int i = 0; i < BTA_JV_PM_MAX_NUM; i++) { bta_jv_cb.pm_cb[i].handle = BTA_JV_PM_HANDLE_CLEAR; } bta_jv_cb.dyn_psm = 0xfff; used_l2cap_classic_dynamic_psm = {}; bta_jv_enabled = true; do_in_main_thread(Bind(&bta_jv_enable, p_cback)); return tBTA_JV_STATUS::SUCCESS; } /** Disable the Java I/F */ void BTA_JvDisable(void) { log::verbose(""); bta_jv_enabled = false; do_in_main_thread(Bind(&bta_jv_disable)); } /******************************************************************************* * * Function BTA_JvGetChannelId * * Description This function reserves a SCN (server channel number) for * applications running over RFCOMM, L2CAP of L2CAP_LE. * It is primarily called by server profiles/applications to * register their SCN into the SDP database. The SCN is * reported by the tBTA_JV_DM_CBACK callback with a * BTA_JV_GET_SCN_EVT for RFCOMM channels and * BTA_JV_GET_PSM_EVT for L2CAP and LE. * If the SCN/PSM reported is 0, that means all resources are * exhausted. * Parameters * conn_type one of BTA_JV_CONN_TYPE * user_data Any uservalue - will be returned in the resulting event. * channel Only used for RFCOMM - to try to allocate a specific RFCOMM * channel. * * Returns void * ******************************************************************************/ void BTA_JvGetChannelId(tBTA_JV_CONN_TYPE conn_type, uint32_t id, int32_t channel) { log::verbose("conn_type:{}, id:{}, channel:{}", bta_jv_conn_type_text(conn_type), id, channel); do_in_main_thread(Bind(&bta_jv_get_channel_id, conn_type, channel, id, id)); } /******************************************************************************* * * Function BTA_JvFreeChannel * * Description This function frees a server channel number that was used * by an application running over RFCOMM. * Parameters * channel The channel to free * conn_type one of BTA_JV_CONN_TYPE * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvFreeChannel(uint16_t channel, tBTA_JV_CONN_TYPE conn_type) { log::verbose("channel:{}, conn_type:{}", channel, bta_jv_conn_type_text(conn_type)); do_in_main_thread(Bind(&bta_jv_free_scn, conn_type, channel)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvStartDiscovery * * Description This function performs service discovery for the services * provided by the given peer device. When the operation is * complete the tBTA_JV_DM_CBACK callback function will be * called with a BTA_JV_DISCOVERY_COMP_EVT. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvStartDiscovery(const RawAddress& bd_addr, uint16_t num_uuid, const Uuid* p_uuid_list, uint32_t rfcomm_slot_id) { log::verbose("bd_addr:{}, rfcomm_slot_id:{}, num_uuid:{}", bd_addr, rfcomm_slot_id, num_uuid); Uuid* uuid_list_copy = new Uuid[num_uuid]; memcpy(uuid_list_copy, p_uuid_list, num_uuid * sizeof(Uuid)); do_in_main_thread(Bind(&bta_jv_start_discovery, bd_addr, num_uuid, base::Owned(uuid_list_copy), rfcomm_slot_id)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvCancelDiscovery * * Description This function cancels the ongoing service discovery and make * sure the tBTA_JV_DM_CBACK callback function will be called * with a BTA_JV_DISCOVERY_COMP_EVT. * * Returns void * ******************************************************************************/ void BTA_JvCancelDiscovery(uint32_t rfcomm_slot_id) { log::verbose("rfcomm_slot_id:{}", rfcomm_slot_id); do_in_main_thread(Bind(&bta_jv_cancel_discovery, rfcomm_slot_id)); } /******************************************************************************* * * Function BTA_JvCreateRecord * * Description Create a service record in the local SDP database. * When the operation is complete the tBTA_JV_DM_CBACK callback * function will be called with a BTA_JV_CREATE_RECORD_EVT. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvCreateRecordByUser(uint32_t rfcomm_slot_id) { log::verbose("rfcomm_slot_id: {}", rfcomm_slot_id); do_in_main_thread(Bind(&bta_jv_create_record, rfcomm_slot_id)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvDeleteRecord * * Description Delete a service record in the local SDP database. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvDeleteRecord(uint32_t handle) { log::verbose("handle:{}", handle); do_in_main_thread(Bind(&bta_jv_delete_record, handle)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvL2capConnect * * Description Initiate a connection as a L2CAP client to the given BD * Address. * When the connection is initiated or failed to initiate, * tBTA_JV_L2CAP_CBACK is called with BTA_JV_L2CAP_CL_INIT_EVT * When the connection is established or failed, * tBTA_JV_L2CAP_CBACK is called with BTA_JV_L2CAP_OPEN_EVT * ******************************************************************************/ void BTA_JvL2capConnect(tBTA_JV_CONN_TYPE conn_type, tBTA_SEC sec_mask, std::unique_ptr ertm_info, uint16_t remote_psm, uint16_t rx_mtu, std::unique_ptr cfg, const RawAddress& peer_bd_addr, tBTA_JV_L2CAP_CBACK* p_cback, uint32_t l2cap_socket_id) { log::verbose("conn_type:{}, remote_psm:{}, peer_bd_addr:{}, l2cap_socket_id:{}", bta_jv_conn_type_text(conn_type), remote_psm, peer_bd_addr, l2cap_socket_id); log::assert_that(p_cback != nullptr, "assert failed: p_cback != nullptr"); do_in_main_thread(Bind(&bta_jv_l2cap_connect, conn_type, sec_mask, remote_psm, rx_mtu, peer_bd_addr, base::Passed(&cfg), base::Passed(&ertm_info), p_cback, l2cap_socket_id)); } /******************************************************************************* * * Function BTA_JvL2capClose * * Description This function closes an L2CAP client connection * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvL2capClose(uint32_t handle) { log::verbose("handle:{}", handle); if (handle >= BTA_JV_MAX_L2C_CONN || !bta_jv_cb.l2c_cb[handle].p_cback) { return tBTA_JV_STATUS::FAILURE; } do_in_main_thread(Bind(&bta_jv_l2cap_close, handle, &bta_jv_cb.l2c_cb[handle])); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvL2capStartServer * * Description This function starts an L2CAP server and listens for an * L2CAP connection from a remote Bluetooth device. When the * server is started successfully, tBTA_JV_L2CAP_CBACK is * called with BTA_JV_L2CAP_START_EVT. When the connection is * established tBTA_JV_L2CAP_CBACK is called with * BTA_JV_L2CAP_OPEN_EVT. * * Returns void * ******************************************************************************/ void BTA_JvL2capStartServer(tBTA_JV_CONN_TYPE conn_type, tBTA_SEC sec_mask, std::unique_ptr ertm_info, uint16_t local_psm, uint16_t rx_mtu, std::unique_ptr cfg, tBTA_JV_L2CAP_CBACK* p_cback, uint32_t l2cap_socket_id) { log::verbose("conn_type:{}, local_psm:{}, l2cap_socket_id:{}", bta_jv_conn_type_text(conn_type), local_psm, l2cap_socket_id); CHECK(p_cback); do_in_main_thread(Bind(&bta_jv_l2cap_start_server, conn_type, sec_mask, local_psm, rx_mtu, base::Passed(&cfg), base::Passed(&ertm_info), p_cback, l2cap_socket_id)); } /******************************************************************************* * * Function BTA_JvL2capStopServer * * Description This function stops the L2CAP server. If the server has an * active connection, it would be closed. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvL2capStopServer(uint16_t local_psm, uint32_t l2cap_socket_id) { log::verbose("local_psm:{}, l2cap_socket_id:{}", local_psm, l2cap_socket_id); do_in_main_thread(Bind(&bta_jv_l2cap_stop_server, local_psm, l2cap_socket_id)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvL2capRead * * Description This function reads data from an L2CAP connection * When the operation is complete, tBTA_JV_L2CAP_CBACK is * called with BTA_JV_L2CAP_READ_EVT. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvL2capRead(uint32_t handle, uint32_t req_id, uint8_t* p_data, uint16_t len) { log::verbose("handle:{}, req_id:{}, len:{}", handle, req_id, len); if (handle >= BTA_JV_MAX_L2C_CONN || !bta_jv_cb.l2c_cb[handle].p_cback) { return tBTA_JV_STATUS::FAILURE; } tBTA_JV_L2CAP_READ evt_data; evt_data.status = tBTA_JV_STATUS::FAILURE; evt_data.handle = handle; evt_data.req_id = req_id; evt_data.p_data = p_data; evt_data.len = 0; if (BT_PASS == GAP_ConnReadData((uint16_t)handle, p_data, len, &evt_data.len)) { evt_data.status = tBTA_JV_STATUS::SUCCESS; } bta_jv_cb.l2c_cb[handle].p_cback(BTA_JV_L2CAP_READ_EVT, (tBTA_JV*)&evt_data, bta_jv_cb.l2c_cb[handle].l2cap_socket_id); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvL2capReady * * Description This function determined if there is data to read from * an L2CAP connection * * Returns tBTA_JV_STATUS::SUCCESS, if data queue size is in * *p_data_size. * tBTA_JV_STATUS::FAILURE, if error. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvL2capReady(uint32_t handle, uint32_t* p_data_size) { tBTA_JV_STATUS status = tBTA_JV_STATUS::FAILURE; log::verbose("handle:{}", handle); if (p_data_size && handle < BTA_JV_MAX_L2C_CONN && bta_jv_cb.l2c_cb[handle].p_cback) { *p_data_size = 0; if (BT_PASS == GAP_GetRxQueueCnt((uint16_t)handle, p_data_size)) { status = tBTA_JV_STATUS::SUCCESS; } } return status; } /******************************************************************************* * * Function BTA_JvL2capWrite * * Description This function writes data to an L2CAP connection * When the operation is complete, tBTA_JV_L2CAP_CBACK is * called with BTA_JV_L2CAP_WRITE_EVT. Works for * PSM-based connections. This function takes ownership of * p_data, and will osi_free it. Data length must be smaller * than remote maximum SDU size. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvL2capWrite(uint32_t handle, uint32_t req_id, BT_HDR* msg, uint32_t user_id) { log::verbose("handle:{}, user_id:{}", handle, user_id); if (handle >= BTA_JV_MAX_L2C_CONN || !bta_jv_cb.l2c_cb[handle].p_cback) { osi_free(msg); return tBTA_JV_STATUS::FAILURE; } do_in_main_thread( Bind(&bta_jv_l2cap_write, handle, req_id, msg, user_id, &bta_jv_cb.l2c_cb[handle])); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvRfcommConnect * * Description This function makes an RFCOMM conection to a remote BD * Address. * When the connection is initiated or failed to initiate, * tBTA_JV_RFCOMM_CBACK is called with * BTA_JV_RFCOMM_CL_INIT_EVT * When the connection is established or failed, * tBTA_JV_RFCOMM_CBACK is called with BTA_JV_RFCOMM_OPEN_EVT * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvRfcommConnect(tBTA_SEC sec_mask, uint8_t remote_scn, const RawAddress& peer_bd_addr, tBTA_JV_RFCOMM_CBACK* p_cback, uint32_t rfcomm_slot_id) { log::verbose("remote_scn:{}, peer_bd_addr:{}, rfcomm_slot_id:{}", remote_scn, peer_bd_addr, rfcomm_slot_id); if (!p_cback) { return tBTA_JV_STATUS::FAILURE; /* Nothing to do */ } do_in_main_thread(Bind(&bta_jv_rfcomm_connect, sec_mask, remote_scn, peer_bd_addr, p_cback, rfcomm_slot_id)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvRfcommClose * * Description This function closes an RFCOMM connection * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvRfcommClose(uint32_t handle, uint32_t rfcomm_slot_id) { uint32_t hi = ((handle & BTA_JV_RFC_HDL_MASK) & ~BTA_JV_RFCOMM_MASK) - 1; uint32_t si = BTA_JV_RFC_HDL_TO_SIDX(handle); log::verbose("handle:{}, rfcomm_slot_id:{}", handle, rfcomm_slot_id); if (hi >= BTA_JV_MAX_RFC_CONN || !bta_jv_cb.rfc_cb[hi].p_cback || si >= BTA_JV_MAX_RFC_SR_SESSION || !bta_jv_cb.rfc_cb[hi].rfc_hdl[si]) { return tBTA_JV_STATUS::FAILURE; } do_in_main_thread(Bind(&bta_jv_rfcomm_close, handle, rfcomm_slot_id)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvRfcommStartServer * * Description This function starts listening for an RFCOMM connection * request from a remote Bluetooth device. When the server is * started successfully, tBTA_JV_RFCOMM_CBACK is called * with BTA_JV_RFCOMM_START_EVT. * When the connection is established, tBTA_JV_RFCOMM_CBACK * is called with BTA_JV_RFCOMM_OPEN_EVT. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvRfcommStartServer(tBTA_SEC sec_mask, uint8_t local_scn, uint8_t max_session, tBTA_JV_RFCOMM_CBACK* p_cback, uint32_t rfcomm_slot_id) { log::verbose("local_scn:{}, rfcomm_slot_id:{}", local_scn, rfcomm_slot_id); if (p_cback == NULL) { return tBTA_JV_STATUS::FAILURE; /* Nothing to do */ } if (max_session == 0) { max_session = 1; } if (max_session > BTA_JV_MAX_RFC_SR_SESSION) { log::info("max_session is too big. use max {}", BTA_JV_MAX_RFC_SR_SESSION); max_session = BTA_JV_MAX_RFC_SR_SESSION; } do_in_main_thread(Bind(&bta_jv_rfcomm_start_server, sec_mask, local_scn, max_session, p_cback, rfcomm_slot_id)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvRfcommStopServer * * Description This function stops the RFCOMM server. If the server has an * active connection, it would be closed. * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvRfcommStopServer(uint32_t handle, uint32_t rfcomm_slot_id) { log::verbose("handle:{}, rfcomm_slot_id:{}", handle, rfcomm_slot_id); do_in_main_thread(Bind(&bta_jv_rfcomm_stop_server, handle, rfcomm_slot_id)); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JvRfcommGetPortHdl * * Description This function fetches the rfcomm port handle * * Returns * ******************************************************************************/ uint16_t BTA_JvRfcommGetPortHdl(uint32_t handle) { uint32_t hi = ((handle & BTA_JV_RFC_HDL_MASK) & ~BTA_JV_RFCOMM_MASK) - 1; uint32_t si = BTA_JV_RFC_HDL_TO_SIDX(handle); if (hi < BTA_JV_MAX_RFC_CONN && si < BTA_JV_MAX_RFC_SR_SESSION && bta_jv_cb.rfc_cb[hi].rfc_hdl[si]) { return bta_jv_cb.port_cb[bta_jv_cb.rfc_cb[hi].rfc_hdl[si] - 1].port_handle; } else { return 0xffff; } } /******************************************************************************* * * Function BTA_JvRfcommWrite * * Description This function writes data to an RFCOMM connection * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * ******************************************************************************/ tBTA_JV_STATUS BTA_JvRfcommWrite(uint32_t handle, uint32_t req_id) { uint32_t hi = ((handle & BTA_JV_RFC_HDL_MASK) & ~BTA_JV_RFCOMM_MASK) - 1; uint32_t si = BTA_JV_RFC_HDL_TO_SIDX(handle); log::verbose("handle:{}, req_id:{}, hi:{}, si:{}", handle, req_id, hi, si); if (hi >= BTA_JV_MAX_RFC_CONN || !bta_jv_cb.rfc_cb[hi].p_cback || si >= BTA_JV_MAX_RFC_SR_SESSION || !bta_jv_cb.rfc_cb[hi].rfc_hdl[si]) { return tBTA_JV_STATUS::FAILURE; } log::verbose("write ok"); tBTA_JV_RFC_CB* p_cb = &bta_jv_cb.rfc_cb[hi]; do_in_main_thread(Bind(&bta_jv_rfcomm_write, handle, req_id, p_cb, &bta_jv_cb.port_cb[p_cb->rfc_hdl[si] - 1])); return tBTA_JV_STATUS::SUCCESS; } /******************************************************************************* * * Function BTA_JVSetPmProfile * * Description: This function set or free power mode profile for different JV * application. * * Parameters: handle, JV handle from RFCOMM or L2CAP * app_id: app specific pm ID, can be BTA_JV_PM_ALL, see * bta_dm_cfg.c for details * BTA_JV_PM_ID_CLEAR: removes pm management on the handle. init_st * is ignored and BTA_JV_CONN_CLOSE is called implicitly * init_st: state after calling this API. typically it should be * BTA_JV_CONN_OPEN * * Returns tBTA_JV_STATUS::SUCCESS, if the request is being processed. * tBTA_JV_STATUS::FAILURE, otherwise. * * NOTE: BTA_JV_PM_ID_CLEAR: In general no need to be called as jv pm * calls automatically * BTA_JV_CONN_CLOSE to remove in case of connection close! * ******************************************************************************/ tBTA_JV_STATUS BTA_JvSetPmProfile(uint32_t handle, tBTA_JV_PM_ID app_id, tBTA_JV_CONN_STATE init_st) { log::verbose("handle:{}, app_id:{}, init_st:{}", handle, app_id, handle); do_in_main_thread(Bind(&bta_jv_set_pm_profile, handle, app_id, init_st)); return tBTA_JV_STATUS::SUCCESS; }