OverrideLog.h revision 5c65c3a0f42e174e47fecd4e569606003217ff4e
1/******************************************************************************
2 *
3 *  Copyright (C) 2012 Broadcom Corporation
4 *
5 *  Licensed under the Apache License, Version 2.0 (the "License");
6 *  you may not use this file except in compliance with the License.
7 *  You may obtain a copy of the License at:
8 *
9 *  http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 *
17 ******************************************************************************/
18
19/******************************************************************************
20 *
21 *  Override the Android logging macro(s) from
22 *  /system/core/include/cutils/log.h. This header must be the first header
23 *  included by a *.cpp file so the original Android macro can be replaced.
24 *  Do not include this header in another header, because that will create
25 *  unnecessary dependency.
26 *
27 ******************************************************************************/
28#pragma once
29
30//Override Android's ALOGD macro by adding a boolean expression.
31#define ALOGD(...) ((void)ALOGD_IF(appl_trace_level>=BT_TRACE_LEVEL_DEBUG, __VA_ARGS__))
32
33
34#include <cutils/log.h> //define Android logging macros
35#include "bt_types.h" //define various BT_TRACE_LEVEL_*
36
37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
42
43extern unsigned char appl_trace_level; //defined in /external/libnfc-nci/
44
45
46/*******************************************************************************
47**
48** Function:        initializeGlobalAppLogLevel
49**
50** Description:     Initialize and get global logging level from .conf or
51**                  Android property nfc.app_log_level.  The Android property
52**                  overrides .conf variable.
53**
54** Returns:         Global log level:
55**                  BT_TRACE_LEVEL_NONE    0        * No trace messages to be generated
56**                  BT_TRACE_LEVEL_ERROR   1        * Error condition trace messages
57**                  BT_TRACE_LEVEL_WARNING 2        * Warning condition trace messages
58**                  BT_TRACE_LEVEL_API     3        * API traces
59**                  BT_TRACE_LEVEL_EVENT   4        * Debug messages for events
60**                  BT_TRACE_LEVEL_DEBUG   5        * Debug messages (general)
61**
62*******************************************************************************/
63unsigned char initializeGlobalAppLogLevel ();
64
65
66#ifdef __cplusplus
67}
68#endif
69