/******************************************************************************* ** ** Function gatt_l2cif_disconnect_ind_cback ** ** Description This is the L2CAP disconnect indication callback function. ** ** ** Returns void ** *******************************************************************************/ void gatt_l2cif_disconnect_ind_cback(UINT16 lcid, BOOLEAN ack_needed) { tGATT_TCB *p_tcb; UINT16 reason; /* look up clcb for this channel */ if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL) { if (ack_needed) { /* send L2CAP disconnect response */ L2CA_DisconnectRsp(lcid); } if (gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda) == NULL) { if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda)) gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda); } /* if ACL link is still up, no reason is logged, l2cap is disconnect from peer */ if ((reason = L2CA_GetDisconnectReason(p_tcb->peer_bda, p_tcb->transport)) == 0) reason = GATT_CONN_TERMINATE_PEER_USER; /* send disconnect callback */ gatt_cleanup_upon_disc(p_tcb->peer_bda, reason, GATT_TRANSPORT_BR_EDR); } }
/******************************************************************************* ** ** Function gatt_l2cif_disconnect_cfm_cback ** ** Description This is the L2CAP disconnect confirm callback function. ** ** ** Returns void ** *******************************************************************************/ void gatt_l2cif_disconnect_cfm_cback(UINT16 lcid, UINT16 result) { tGATT_TCB *p_tcb; UINT16 reason; /* look up clcb for this channel */ if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL) { if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda)) gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda); /* send disconnect callback */ /* if ACL link is still up, no reason is logged, l2cap is disconnect from peer */ if ((reason = L2CA_GetDisconnectReason(p_tcb->peer_bda)) == 0) reason = GATT_CONN_TERMINATE_LOCAL_HOST; gatt_cleanup_upon_disc(p_tcb->peer_bda, reason); } }
/******************************************************************************* ** ** Function gatt_l2c_connect_cfm_cback ** ** Description This is the L2CAP connect confirm callback function. ** ** ** Returns void ** *******************************************************************************/ static void gatt_l2cif_connect_cfm_cback(UINT16 lcid, UINT16 result) { tGATT_TCB *p_tcb; tL2CAP_CFG_INFO cfg; /* look up clcb for this channel */ if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL) { GATT_TRACE_DEBUG("gatt_l2c_connect_cfm_cback result: %d ch_state: %d, lcid:0x%x", result, gatt_get_ch_state(p_tcb), p_tcb->att_lcid); /* if in correct state */ if (gatt_get_ch_state(p_tcb) == GATT_CH_CONN) { /* if result successful */ if (result == L2CAP_CONN_OK) { /* set channel state */ gatt_set_ch_state(p_tcb, GATT_CH_CFG); /* Send L2CAP config req */ memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO)); cfg.mtu_present = TRUE; cfg.mtu = GATT_MAX_MTU_SIZE; L2CA_ConfigReq(lcid, &cfg); } /* else initiating connection failure */ else { gatt_cleanup_upon_disc(p_tcb->peer_bda, result, GATT_TRANSPORT_BR_EDR); } } else /* wrong state, disconnect it */ { if (result == L2CAP_CONN_OK) { /* just in case the peer also accepts our connection - Send L2CAP disconnect req */ L2CA_DisconnectReq(lcid); } } } }
/******************************************************************************* ** ** Function gatt_l2cif_disconnect_cfm_cback ** ** Description This is the L2CAP disconnect confirm callback function. ** ** ** Returns void ** *******************************************************************************/ static void gatt_l2cif_disconnect_cfm_cback(UINT16 lcid, UINT16 result) { tGATT_TCB *p_tcb; UINT16 reason; UNUSED(result); /* look up clcb for this channel */ if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL) { /* If the device is not in the service changed client list, add it... */ if (gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda) == NULL) { if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda)) gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda); } /* send disconnect callback */ /* if ACL link is still up, no reason is logged, l2cap is disconnect from peer */ if ((reason = L2CA_GetDisconnectReason(p_tcb->peer_bda, p_tcb->transport)) == 0) reason = GATT_CONN_TERMINATE_LOCAL_HOST; gatt_cleanup_upon_disc(p_tcb->peer_bda, reason, GATT_TRANSPORT_BR_EDR); } }
/******************************************************************************* ** ** Function gatt_le_connect_cback ** ** Description This callback function is called by L2CAP to indicate that ** the ATT fixed channel for LE is ** connected (conn = TRUE)/disconnected (conn = FALSE). ** *******************************************************************************/ static void gatt_le_connect_cback (BD_ADDR bd_addr, BOOLEAN connected, UINT16 reason, tBT_TRANSPORT transport) { tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, transport); BOOLEAN check_srv_chg = FALSE; tGATTS_SRV_CHG *p_srv_chg_clt=NULL; /* ignore all fixed channel connect/disconnect on BR/EDR link for GATT */ if (transport == BT_TRANSPORT_BR_EDR) return; GATT_TRACE_DEBUG ("GATT ATT protocol channel with BDA: %08x%04x is %s", (bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], (bd_addr[4]<<8)+bd_addr[5], (connected) ? "connected" : "disconnected"); if ((p_srv_chg_clt = gatt_is_bda_in_the_srv_chg_clt_list(bd_addr)) != NULL) { check_srv_chg = TRUE; } else { if (btm_sec_is_a_bonded_dev(bd_addr)) gatt_add_a_bonded_dev_for_srv_chg(bd_addr); } if (connected) { /* do we have a channel initiating a connection? */ if (p_tcb) { /* we are initiating connection */ if ( gatt_get_ch_state(p_tcb) == GATT_CH_CONN) { /* send callback */ gatt_set_ch_state(p_tcb, GATT_CH_OPEN); p_tcb->payload_size = GATT_DEF_BLE_MTU_SIZE; gatt_send_conn_cback(p_tcb); } if (check_srv_chg) gatt_chk_srv_chg (p_srv_chg_clt); } /* this is incoming connection or background connection callback */ else { if ((p_tcb = gatt_allocate_tcb_by_bdaddr(bd_addr, BT_TRANSPORT_LE)) != NULL) { p_tcb->att_lcid = L2CAP_ATT_CID; gatt_set_ch_state(p_tcb, GATT_CH_OPEN); p_tcb->payload_size = GATT_DEF_BLE_MTU_SIZE; gatt_send_conn_cback (p_tcb); if (check_srv_chg) { gatt_chk_srv_chg (p_srv_chg_clt); } } else { GATT_TRACE_ERROR("CCB max out, no rsources"); } } } else { gatt_cleanup_upon_disc(bd_addr, reason, transport); GATT_TRACE_DEBUG ("ATT disconnected"); } }
/******************************************************************************* ** ** Function gatt_le_connect_cback ** ** Description This callback function is called by L2CAP to indicate that ** the ATT fixed channel for LE is ** connected (conn = TRUE)/disconnected (conn = FALSE). ** *******************************************************************************/ static void gatt_le_connect_cback (BD_ADDR bd_addr, BOOLEAN connected, UINT16 reason) { tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr); BOOLEAN check_srv_chg = FALSE; tGATTS_SRV_CHG *p_srv_chg_clt=NULL; BOOLEAN is_bg_conn = FALSE; GATT_TRACE_DEBUG3 ("GATT ATT protocol channel with BDA: %08x%04x is %s", (bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], (bd_addr[4]<<8)+bd_addr[5], (connected) ? "connected" : "disconnected"); if ((p_srv_chg_clt = gatt_is_bda_in_the_srv_chg_clt_list(bd_addr)) != NULL) { check_srv_chg = TRUE; } else { if (btm_sec_is_a_bonded_dev(bd_addr)) gatt_add_a_bonded_dev_for_srv_chg(bd_addr); } if (connected) { GATT_TRACE_DEBUG1("connected is TRUE reason=%d",reason ); /* BR/EDR lik, ignore this callback */ if (reason == 0) return; /* do we have a channel initiating a connection? */ if (p_tcb) { if (check_srv_chg) gatt_chk_srv_chg (p_srv_chg_clt); /* we are initiating connection */ if ( gatt_get_ch_state(p_tcb) == GATT_CH_CONN) { /* send callback */ gatt_set_ch_state(p_tcb, GATT_CH_OPEN); p_tcb->payload_size = GATT_DEF_BLE_MTU_SIZE; gatt_send_conn_cback(FALSE, p_tcb); } else /* there was an exisiting link, ignore the callback */ { GATT_TRACE_ERROR0("connection already up, ignore it"); return; } } /* this is incoming connection or background connection callback */ else { if ((p_tcb = gatt_allocate_tcb_by_bdaddr(bd_addr)) != NULL) { p_tcb->att_lcid = L2CAP_ATT_CID; gatt_set_ch_state(p_tcb, GATT_CH_OPEN); p_tcb->payload_size = GATT_DEF_BLE_MTU_SIZE; if (L2CA_GetBleConnRole(p_tcb->peer_bda)== HCI_ROLE_MASTER) { is_bg_conn = TRUE; } gatt_send_conn_cback (is_bg_conn, p_tcb); if (check_srv_chg) { gatt_chk_srv_chg (p_srv_chg_clt); } } else { GATT_TRACE_ERROR0("CCB max out, no rsources"); } } } else { gatt_cleanup_upon_disc(bd_addr, reason); GATT_TRACE_DEBUG0 ("ATT disconnected"); } }