wiretap/logcat.h

   1 /** @file
   2  *
   3  * Copyright 2014, Michal Labedzki for Tieto Corporation
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  *
   7  */
   8
   9 #ifndef __LOGCAT_H__
  10 #define __LOGCAT_H__
  11
  12 #include <glib.h>
  13
  14 #include "wtap.h"
  15
  16 /* The log format can be found on:
  17  * https://android.googlesource.com/platform/system/core/+/master/include/log/logger.h
  18  * Log format is assumed to be little-endian (Android platform).
  19  */
  20 /* maximum size of a message payload in a log entry */
  21 #define LOGGER_ENTRY_MAX_PAYLOAD 4076
  22
  23 struct logger_entry {
  24     uint16_t len;   /* length of the payload */
  25     uint16_t __pad; /* no matter what, we get 2 bytes of padding */
  26     int32_t  pid;   /* generating process's pid */
  27     int32_t  tid;   /* generating process's tid */
  28     int32_t  sec;   /* seconds since Epoch */
  29     int32_t  nsec;  /* nanoseconds */
  30 /*    char    msg[0]; *//* the entry's payload */
  31 };
  32
  33 struct logger_entry_v2 {
  34     uint16_t len;    /* length of the payload */
  35     uint16_t hdr_size; /* sizeof(struct logger_entry_v2) */
  36     int32_t  pid;    /* generating process's pid */
  37     int32_t  tid;    /* generating process's tid */
  38     int32_t  sec;    /* seconds since Epoch */
  39     int32_t  nsec;   /* nanoseconds */
  40     union {
  41                         /* v1: not present */
  42         uint32_t euid;  /* v2: effective UID of logger */
  43         uint32_t lid;   /* v3: log id of the payload */
  44     } id;
  45 /*    char    msg[0]; *//* the entry's payload */
  46 };
  47
  48 wtap_open_return_val  logcat_open(wtap *wth, int *err, char **err_info);
  49
  50 int      logcat_exported_pdu_length(const uint8_t *pd);
  51 #endif
  52
  53 /*
  54  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
  55  *
  56  * Local variables:
  57  * c-basic-offset: 4
  58  * tab-width: 8
  59  * indent-tabs-mode: nil
  60  * End:
  61  *
  62  * vi: set shiftwidth=4 tabstop=8 expandtab:
  63  * :indentSize=4:tabSize=8:noTabs=true:
  64  */