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 ALOGD(), ALOGE(), and other logging macros from
22 * /system/core/include/cutils/log.h
23 *
24 ******************************************************************************/
25 #include "OverrideLog.h"
26 #include <cutils/properties.h>
27 #include "config.h"
28 #include "android_logmsg.h"
29 #define LOG_TAG "BrcmNfcJni"
30
31
32 /*******************************************************************************
33 **
34 ** Function: initializeGlobalAppLogLevel
35 **
36 ** Description: Initialize and get global logging level from .conf or
37 ** Android property nfc.app_log_level. The Android property
38 ** overrides .conf variable.
39 **
40 ** Returns: Global log level:
41 ** BT_TRACE_LEVEL_NONE 0 * No trace messages to be generated
42 ** BT_TRACE_LEVEL_ERROR 1 * Error condition trace messages
43 ** BT_TRACE_LEVEL_WARNING 2 * Warning condition trace messages
44 ** BT_TRACE_LEVEL_API 3 * API traces
45 ** BT_TRACE_LEVEL_EVENT 4 * Debug messages for events
46 ** BT_TRACE_LEVEL_DEBUG 5 * Debug messages (general)
47 **
48 *******************************************************************************/
initializeGlobalAppLogLevel()49 unsigned char initializeGlobalAppLogLevel ()
50 {
51 unsigned long num = 0;
52 char valueStr [PROPERTY_VALUE_MAX] = {0};
53
54 num = 1;
55 if (GetNumValue (NAME_APPL_TRACE_LEVEL, &num, sizeof(num)))
56 appl_trace_level = (unsigned char) num;
57
58 int len = property_get ("nfc.app_log_level", valueStr, "");
59 if (len > 0)
60 {
61 //let Android property override .conf variable
62 sscanf (valueStr, "%lu", &num);
63 appl_trace_level = (unsigned char) num;
64 }
65
66 //0xFF is a special value used by the stack to query the current
67 //trace level; it does not change any trace level
68 if (appl_trace_level == 0xFF)
69 appl_trace_level = BT_TRACE_LEVEL_DEBUG;
70 ALOGD ("%s: level=%u", __FUNCTION__, appl_trace_level);
71
72 if (appl_trace_level < BT_TRACE_LEVEL_DEBUG)
73 {
74 //display protocol traces in raw format
75 ProtoDispAdapterUseRawOutput (TRUE);
76 }
77 return appl_trace_level;
78 }
79