#include <iostream>
#include <string>
#include <vector>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pwd.h>
#include <grp.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <signal.h>
#include <sys/statvfs.h>
#include <sys/vfs.h>
#include "types.h"
#include <string.h>
Go to the source code of this file.
Classes | |
class | filestatus |
Retrieve information about a file or directory. More... | |
class | subdirectory |
Retrieve a list of files in a subdirectory that match a given wildcard filename. More... | |
class | directory |
Retrieve a list of pathnames that match a given wildcard path. More... | |
class | filesystem |
Retrieve information about a filesystem. More... | |
class | simple_lock |
A simple locking mechanism. More... | |
Defines | |
#define | STATFS statvfs |
Functions | |
const std::string | cwd (void) |
Return the current working directory. | |
const pid_t | pid (void) |
Return the PID of this process. | |
const pid_t | parent_pid (void) |
Return the PID of the parent process. | |
bool | absolute_path (const std::string &a_path) |
Return true if the string looks like an absolute path. | |
bool | relative_path (const std::string &a_path) |
Return true if the string looks like a relative path. | |
std::string | reform_path (const std::string &a_path) |
Reformat a path to remove double slashes. | |
std::string | permute_path (const std::string &a_path) |
Reformat a path to remove the begining and trailing slashes, and replace all other slashes with underscores. | |
std::string | path_basename (const std::string &a_path) |
Return everything after the last slash from a path. | |
std::string | path_dirname (const std::string &a_path) |
Return everything up to the last slash from a path. | |
std::string | mk_absolute_path (const std::string a_path, const std::string a_rel_path) |
Make the path a_rel_path absolute with respect to a_path, where a_rel_path and a_path are directory names. | |
std::string | mk_relative_path (const std::string a_path_to, const std::string a_path_from) |
Make the path a_path_to relative from a_path_from, where a_path_to and a_path_from are directory names. | |
bool | exists (const std::string &a_path) |
Return true if the file or directory exists. | |
bool | readable (const std::string &a_path) |
Return true if the file or directory exists and is readable. | |
bool | writable (const std::string &a_path) |
Return true if the file or directory exists and is writable. | |
bool | executable (const std::string &a_path) |
Return true if the file or directory exists and is executable. | |
void | mk_dir (const std::string &a_path) |
Create a directory. | |
void | rm_dir (const std::string a_path) |
Remove a directory. | |
void | rm_file (const std::string a_path) |
Remove a file. | |
void | mk_dirhier (const std::string a_path) |
Recursively create a directory heirarchy. | |
void | rename_file (const std::string a_from, const std::string a_to) |
Rename a file or directory. | |
void | mk_symlink (const std::string a_from, const std::string a_to) |
Create a symbolic link. | |
void | mk_relative_symlink (const std::string a_from, const std::string a_to) |
Given a from and to path, create a relative symbolic link. | |
void | rm_recursive (const std::string a_path) |
Recursively delete the contents of a directory. |
#define STATFS statvfs |
Definition at line 60 of file fs.h.
Referenced by filesystem::path().
bool absolute_path | ( | const std::string & | a_path | ) |
Return true if the string looks like an absolute path.
Definition at line 186 of file fs.cc.
Referenced by relative_path().
const std::string cwd | ( | void | ) |
Return the current working directory.
Definition at line 148 of file fs.cc.
References ERROR, and TRY_nomem.
Referenced by test_cwd(), and test_filesystem().
bool executable | ( | const std::string & | a_path | ) |
Return true if the file or directory exists and is executable.
Definition at line 437 of file fs.cc.
Referenced by global_parser::parse_vault(), and test_executable().
bool exists | ( | const std::string & | a_path | ) |
Return true if the file or directory exists.
Definition at line 385 of file fs.cc.
Referenced by archive_manager::archive(), report_manager::file_report(), log_manager::init(), simple_lock::locked_by(), job_archiver::mf_do_chores(), mk_dirhier(), mk_dirhier_recursive_(), directory::path(), rename_file(), rm_dir(), rm_file(), rm_recursive(), job_archiver::start(), test_executable(), test_exists(), test_filestatus(), test_mk_dir(), test_mk_dirhier(), test_mk_relative_symlink(), test_mk_symlink(), test_rm_dir(), test_rm_file(), test_rm_recursive(), test_rvm(), test_simple_lock(), and simple_lock::unlock().
std::string mk_absolute_path | ( | const std::string | a_path, | |
const std::string | a_rel_path | |||
) |
Make the path a_rel_path absolute with respect to a_path, where a_rel_path and a_path are directory names.
Definition at line 282 of file fs.cc.
References ERROR, INTERNAL_ERROR, reform_path(), relative_path(), and TRY_nomem.
void mk_dir | ( | const std::string & | a_path | ) |
Create a directory.
Definition at line 599 of file fs.cc.
References ACCESSPERMS, ERROR, and TRY_nomem.
Referenced by archive_manager::archive(), make_dir(), mk_dirhier_recursive_(), test_mk_dir(), test_rm_file(), and test_simple_lock().
void mk_dirhier | ( | const std::string | a_path | ) |
Recursively create a directory heirarchy.
Definition at line 683 of file fs.cc.
References err_unknown, ERROR_INSTANCE, exists(), mk_dirhier_recursive_(), error::push_back(), and TRY_nomem.
Referenced by job_archiver::start(), and test_mk_dirhier().
std::string mk_relative_path | ( | const std::string | a_path_to, | |
const std::string | a_path_from | |||
) |
Make the path a_path_to relative from a_path_from, where a_path_to and a_path_from are directory names.
Definition at line 314 of file fs.cc.
References reform_path(), and TRY_nomem.
Referenced by job_archiver::mf_do_chores(), mk_relative_symlink(), and test_mk_relative_path().
void mk_relative_symlink | ( | const std::string | a_from, | |
const std::string | a_to | |||
) |
Given a from and to path, create a relative symbolic link.
Definition at line 764 of file fs.cc.
References err_unknown, ERROR_INSTANCE, mk_relative_path(), mk_symlink(), path_basename(), path_dirname(), error::push_back(), reform_path(), and TRY_nomem.
Referenced by catalog_manager::catalog(), and test_mk_relative_symlink().
void mk_symlink | ( | const std::string | a_from, | |
const std::string | a_to | |||
) |
Create a symbolic link.
Definition at line 748 of file fs.cc.
References ERROR, and TRY_nomem.
Referenced by mk_relative_symlink(), and test_mk_symlink().
const pid_t parent_pid | ( | void | ) |
std::string path_basename | ( | const std::string & | a_path | ) |
Return everything after the last slash from a path.
Definition at line 247 of file fs.cc.
References TRY_nomem.
Referenced by mk_relative_symlink().
std::string path_dirname | ( | const std::string & | a_path | ) |
Return everything up to the last slash from a path.
Definition at line 264 of file fs.cc.
References TRY_nomem.
Referenced by mk_relative_symlink().
std::string permute_path | ( | const std::string & | a_path | ) |
Reformat a path to remove the begining and trailing slashes, and replace all other slashes with underscores.
Definition at line 224 of file fs.cc.
References reform_path(), and TRY_nomem.
Referenced by job::generate_archive_path(), job::generate_job_id(), and test_permute_path().
const pid_t pid | ( | void | ) |
Return the PID of this process.
Definition at line 162 of file fs.cc.
Referenced by execute::child_exited(), execute::child_running(), simple_lock::is_locked(), simple_lock::lock(), simple_lock::locked_by(), execute::my_pid(), parent_pid(), pid(), stamp(), test(), and test_simple_lock().
bool readable | ( | const std::string & | a_path | ) |
Return true if the file or directory exists and is readable.
Definition at line 417 of file fs.cc.
Referenced by global_parser::parse_vault(), and test_readable().
std::string reform_path | ( | const std::string & | a_path | ) |
Reformat a path to remove double slashes.
Definition at line 205 of file fs.cc.
References TRY_nomem.
Referenced by catalog_manager::catalog(), catalog_manager::erase(), job::generate_archive_path(), job::generate_job_id(), job_archiver::mf_do_chores(), mk_absolute_path(), mk_relative_path(), mk_relative_symlink(), filesystem::path(), directory::path(), filestatus::path(), permute_path(), job_archiver::start(), test_inodes(), and test_reform_path().
bool relative_path | ( | const std::string & | a_path | ) |
Return true if the string looks like a relative path.
Definition at line 195 of file fs.cc.
References absolute_path().
Referenced by job_archiver::mf_do_chores(), and mk_absolute_path().
void rename_file | ( | const std::string | a_from, | |
const std::string | a_to | |||
) |
Rename a file or directory.
Definition at line 709 of file fs.cc.
References ERROR, exists(), INTERNAL_ERROR, and TRY_nomem.
Referenced by archive_manager::archive().
void rm_dir | ( | const std::string | a_path | ) |
Remove a directory.
Definition at line 612 of file fs.cc.
References ERROR, ERROR_INSTANCE, exists(), error::push_back(), TRY_nomem, and writable().
Referenced by rm_recursive(), test_rm_dir(), and test_rm_file().
void rm_file | ( | const std::string | a_path | ) |
Remove a file.
Definition at line 637 of file fs.cc.
References ERROR, ERROR_INSTANCE, exists(), error::push_back(), TRY_nomem, and writable().
Referenced by vault_manager::delete_oldest_archive(), rm_recursive(), test_rm_file(), and simple_lock::unlock().
void rm_recursive | ( | const std::string | a_path | ) |
Recursively delete the contents of a directory.
Definition at line 1408 of file fs.cc.
References exists(), subdirectory::path(), filestatus::path(), rm_dir(), rm_file(), rm_recursive(), TRY, and TRY_nomem.
Referenced by vault_manager::delete_oldest_archive(), catalog_manager::erase(), rm_recursive(), and test_rm_recursive().
bool writable | ( | const std::string & | a_path | ) |
Return true if the file or directory exists and is writable.
Definition at line 427 of file fs.cc.
Referenced by job_archiver::mf_do_chores(), global_parser::parse_vault(), rm_dir(), rm_file(), and test_writable().