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* Copyright (C) 2008 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#ifndef _DUMPSTATE_H_
#define _DUMPSTATE_H_
/* When defined, skips the real dumps and just print the section headers.
Useful when debugging dumpstate itself. */
#define ON_DRY_RUN_RETURN(X) return X
#define ON_DRY_RUN(code) code
#define ON_DRY_RUN(code)
#ifndef MYLOGD
#define MYLOGD(...) fprintf(stderr, __VA_ARGS__); ALOGD(__VA_ARGS__);
#ifndef MYLOGI
#define MYLOGI(...) fprintf(stderr, __VA_ARGS__); ALOGI(__VA_ARGS__);
#ifndef MYLOGE
#define MYLOGE(...) fprintf(stderr, __VA_ARGS__); ALOGE(__VA_ARGS__);
#include <time.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>
#include <vector>
#define SU_PATH "/system/xbin/su"
#ifdef __cplusplus
extern "C" {
typedef void (for_each_pid_func)(int, const char *);
typedef void (for_each_tid_func)(int, int, const char *);
/* Estimated total weight of bugreport generation.
* Each section contributes to the total weight by an individual weight, so the overall progress
* can be calculated by dividing the all completed weight by the total weight.
* This value is defined empirically and it need to be adjusted as more sections are added.
* It does not need to match the exact sum of all sections, but ideally it should to be slight more
* than such sum: a value too high will cause the bugreport to finish before the user expected (for
* example, jumping from 70% to 100%), while a value too low will cause the progress to get stuck
* at an almost-finished value (like 99%) for a while.
static const int WEIGHT_TOTAL = 6500;
/* Most simple commands have 10 as timeout, so 5 is a good estimate */
static const int WEIGHT_FILE = 5;
* TODO: the dumpstate internal state is getting fragile; for example, this variable is defined
* here, declared at utils.cpp, and used on utils.cpp and dumpstate.cpp.
* It would be better to take advantage of the C++ migration and encapsulate the state in an object,
* but that will be better handled in a major C++ refactoring, which would also get rid of other C
* idioms (like using std::string instead of char*, removing varargs, etc...) */
extern int do_update_progress, progress, weight_total, control_socket_fd;
/* full path of the directory where the bugreport files will be written */
extern std::string bugreport_dir;
/* root dir for all files copied as-is into the bugreport. */
extern const std::string ZIP_ROOT_DIR;
/* Checkes whether dumpstate is generating a zipped bugreport. */
bool is_zipping();
/* adds a new entry to the existing zip file. */
bool add_zip_entry(const std::string& entry_name, const std::string& entry_path);
/* adds a new entry to the existing zip file. */
bool add_zip_entry_from_fd(const std::string& entry_name, int fd);
/* adds all files from a directory to the zipped bugreport file */
void add_dir(const char *dir, bool recursive);
/* prints the contents of a file */
int dump_file(const char *title, const char *path);
/* saves the the contents of a file as a long */
int read_file_as_long(const char *path, long int *output);
/* prints the contents of the fd
* fd must have been opened with the flag O_NONBLOCK.
int dump_file_from_fd(const char *title, const char *path, int fd);
/* calls skip to gate calling dump_from_fd recursively
* in the specified directory. dump_from_fd defaults to
* dump_file_from_fd above when set to NULL. skip defaults
* to false when set to NULL. dump_from_fd will always be
* called with title NULL.
int dump_files(const char *title, const char *dir,
bool (*skip)(const char *path),
int (*dump_from_fd)(const char *title, const char *path, int fd));
// TODO: need to refactor all those run_command variations; there shold be just one, receiving an
// optional CommandOptions objects with values such as run_always, drop_root, etc...
/* forks a command and waits for it to finish -- terminate args with NULL */
int run_command_as_shell(const char *title, int timeout_seconds, const char *command, ...);
int run_command(const char *title, int timeout_seconds, const char *command, ...);
enum RootMode { DROP_ROOT, DONT_DROP_ROOT };
/* forks a command and waits for it to finish
first element of args is the command, and last must be NULL.
command is always ran, even when _DUMPSTATE_DRY_RUN_ is defined. */
int run_command_always(const char *title, RootMode root_mode, StdoutMode stdout_mode,
int timeout_seconds, const char *args[]);
/* switch to non-root user and group */
bool drop_root_user();
/* sends a broadcast using Activity Manager */
void send_broadcast(const std::string& action, const std::vector<std::string>& args);
/* updates the overall progress of dumpstate by the given weight increment */
void update_progress(int weight);
/* prints all the system properties */
void print_properties();
/** opens a socket and returns its file descriptor */
int open_socket(const char *service);
/* redirect output to a service control socket */
void redirect_to_socket(FILE *redirect, const char *service);
/* redirect output to a file */
void redirect_to_file(FILE *redirect, char *path);
/* create leading directories, if necessary */
void create_parent_dirs(const char *path);
/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */
const char *dump_traces();
/* for each process in the system, run the specified function */
void for_each_pid(for_each_pid_func func, const char *header);
/* for each thread in the system, run the specified function */
void for_each_tid(for_each_tid_func func, const char *header);
/* Displays a blocked processes in-kernel wait channel */
void show_wchan(int pid, int tid, const char *name);
/* Displays a processes times */
void show_showtime(int pid, const char *name);
/* Runs "showmap" for a process */
void do_showmap(int pid, const char *name);
/* Gets the dmesg output for the kernel */
void do_dmesg();
/* Prints the contents of all the routing tables, both IPv4 and IPv6. */
void dump_route_tables();
/* Play a sound via Stagefright */
void play_sound(const char *path);
/* Implemented by libdumpstate_board to dump board-specific info */
void dumpstate_board();
/* Takes a screenshot and save it to the given file */
void take_screenshot(const std::string& path);
/* Vibrates for a given durating (in milliseconds). */
void vibrate(FILE* vibrator, int ms);
/* Checks if a given path is a directory. */
bool is_dir(const char* pathname);
/** Gets the last modification time of a file, or default time if file is not found. */
time_t get_mtime(int fd, time_t default_mtime);
/* Dumps eMMC Extended CSD data. */
void dump_emmc_ecsd(const char *ext_csd_path);
/** Gets command-line arguments. */
void format_args(int argc, const char *argv[], std::string *args);
/** Tells if the device is running a user build. */
bool is_user_build();
* Helper class used to report how long it takes for a section to finish.
* Typical usage:
* DurationReporter duration_reporter(title);
class DurationReporter {
DurationReporter(const char *title);
DurationReporter(const char *title, FILE* out);
static uint64_t nanotime();
const char* title_;
FILE* out_;
uint64_t started_;
#ifdef __cplusplus
#endif /* _DUMPSTATE_H_ */