1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 file is used to define the internal protocol for the Android Logger */
#ifndef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
#define _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
/* Android private interfaces */
#include <stdint.h>
#include <sys/types.h>
#include <log/log.h>
#include <log/log_read.h>
#define LOGGER_MAGIC 'l'
/* Header Structure to pstore */
typedef struct __attribute__((__packed__)) {
uint8_t magic;
uint16_t len;
uint16_t uid;
uint16_t pid;
} android_pmsg_log_header_t;
/* Header Structure to logd, and second header for pstore */
typedef struct __attribute__((__packed__)) {
typeof_log_id_t id;
uint16_t tid;
log_time realtime;
} android_log_header_t;
/* Event Header Structure to logd */
typedef struct __attribute__((__packed__)) {
int32_t tag; // Little Endian Order
} android_event_header_t;
/* Event payload EVENT_TYPE_INT */
typedef struct __attribute__((__packed__)) {
int8_t type; // EVENT_TYPE_INT
int32_t data; // Little Endian Order
} android_event_int_t;
/* Event with single EVENT_TYPE_INT */
typedef struct __attribute__((__packed__)) {
android_event_header_t header;
android_event_int_t payload;
} android_log_event_int_t;
/* Event payload EVENT_TYPE_LONG */
typedef struct __attribute__((__packed__)) {
int8_t type; // EVENT_TYPE_LONG
int64_t data; // Little Endian Order
} android_event_long_t;
/* Event with single EVENT_TYPE_LONG */
typedef struct __attribute__((__packed__)) {
android_event_header_t header;
android_event_long_t payload;
} android_log_event_long_t;
/*
* Event payload EVENT_TYPE_STRING
*
* Danger: do not embed this structure into another structure.
* This structure uses a flexible array member, and when
* compiled using g++, __builtin_object_size(data, 1) returns
* a bad value. This is possibly a g++ bug, or a bug due to
* the fact that flexible array members are not supported
* in C++.
* http://stackoverflow.com/questions/4412749/are-flexible-array-members-valid-in-c
*/
typedef struct __attribute__((__packed__)) {
int8_t type; // EVENT_TYPE_STRING;
int32_t length; // Little Endian Order
char data[];
} android_event_string_t;
/* Event with single EVENT_TYPE_STRING */
typedef struct __attribute__((__packed__)) {
android_event_header_t header;
int8_t type; // EVENT_TYPE_STRING;
int32_t length; // Little Endian Order
char data[];
} android_log_event_string_t;
#if defined(__cplusplus)
extern "C" {
#endif
#define ANDROID_LOG_PMSG_FILE_MAX_SEQUENCE 256 /* 1MB file */
#define ANDROID_LOG_PMSG_FILE_SEQUENCE 1000
ssize_t __android_log_pmsg_file_write(
log_id_t logId,
char prio,
const char *filename,
const char *buf, size_t len);
#define LOG_ID_ANY ((log_id_t)-1)
#define ANDROID_LOG_ANY ANDROID_LOG_UNKNOWN
/* first 5 arguments match __android_log_msg_file_write, a cast is safe */
typedef ssize_t (*__android_log_pmsg_file_read_fn)(
log_id_t logId,
char prio,
const char *filename,
const char *buf, size_t len, void *arg);
ssize_t __android_log_pmsg_file_read(
log_id_t logId, char prio, const char *prefix,
__android_log_pmsg_file_read_fn fn, void *arg);
#if defined(__cplusplus)
}
#endif
#endif /* _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_ */
|
