| /****************************************************************************** |
| * |
| * Copyright (C) 2015 Google Inc. |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| |
| #include <assert.h> |
| #include <time.h> |
| |
| #include "hci/include/btsnoop_mem.h" |
| |
| static btsnoop_data_cb data_callback = NULL; |
| |
| void btsnoop_mem_set_callback(btsnoop_data_cb cb) { |
| data_callback = cb; |
| } |
| |
| void btsnoop_mem_capture(const BT_HDR *packet) { |
| if (!data_callback) |
| return; |
| |
| assert(packet); |
| |
| const uint8_t *data = &packet->data[packet->offset]; |
| const uint16_t type = packet->event & BT_EVT_MASK; |
| size_t length = 0; |
| |
| switch (type) { |
| case BT_EVT_TO_LM_HCI_CMD: |
| if (packet->len > 2) |
| length = data[2] + 4; |
| break; |
| |
| case BT_EVT_TO_BTU_HCI_EVT: |
| if (packet->len > 1) |
| length = data[1] + 3; |
| break; |
| |
| // Ignore data for privacy |
| case BT_EVT_TO_LM_HCI_ACL: |
| case BT_EVT_TO_LM_HCI_SCO: |
| case BT_EVT_TO_BTU_HCI_ACL: |
| case BT_EVT_TO_BTU_HCI_SCO: |
| break; |
| } |
| |
| if (length) |
| (*data_callback)(type, data, length); |
| } |