237 lines
7.2 KiB
C++
237 lines
7.2 KiB
C++
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
|
|
\\/ M anipulation |
|
|
-------------------------------------------------------------------------------
|
|
License
|
|
This file is part of OpenFOAM.
|
|
|
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
InNamespace
|
|
Foam
|
|
|
|
Description
|
|
Functions used by OpenFOAM that are specific to POSIX compliant
|
|
operating systems and need to be replaced or emulated on other systems.
|
|
|
|
SourceFiles
|
|
POSIX.C
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef OSspecific_H
|
|
#define OSspecific_H
|
|
|
|
#include "fileNameList.H"
|
|
|
|
#include <sys/types.h>
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
//- Return the PID of this process
|
|
pid_t pid();
|
|
|
|
//- Return the parent PID of this process
|
|
pid_t ppid();
|
|
|
|
//- Return the group PID of this process
|
|
pid_t pgid();
|
|
|
|
//- Return true if environment variable of given name is defined
|
|
bool env(const word&);
|
|
|
|
//- Return environment variable of given name
|
|
// Return string() if the environment is undefined
|
|
string getEnv(const word&);
|
|
|
|
//- Set an environment variable
|
|
bool setEnv(const word& name, const std::string& value, const bool overwrite);
|
|
|
|
//- Return the system's host name, as per hostname(1)
|
|
// Optionally with the full name (as per the '-f' option)
|
|
string hostName(const bool full=false);
|
|
|
|
//- Return the system's domain name, as per hostname(1) with the '-d' option
|
|
string domainName();
|
|
|
|
//- Return the user's login name
|
|
string userName();
|
|
|
|
//- Is user administrator
|
|
bool isAdministrator();
|
|
|
|
//- Return home directory path name for the current user
|
|
fileName home();
|
|
|
|
//- Return home directory path name for a particular user
|
|
fileName home(const string& userName);
|
|
|
|
//- Return current working directory path name
|
|
fileName cwd();
|
|
|
|
//- Change the current directory to the one given and return true,
|
|
// else return false
|
|
bool chDir(const fileName& dir);
|
|
|
|
//- Search for files from user/group/shipped directories.
|
|
// The search scheme allows for version-specific and
|
|
// version-independent files using the following hierarchy:
|
|
// - \b user settings:
|
|
// - ~/.OpenFOAM/\<VERSION\>
|
|
// - ~/.OpenFOAM/
|
|
// - \b group (site) settings (when $WM_PROJECT_SITE is set):
|
|
// - $WM_PROJECT_SITE/\<VERSION\>
|
|
// - $WM_PROJECT_SITE
|
|
// - \b group (site) settings (when $WM_PROJECT_SITE is not set):
|
|
// - $WM_PROJECT_INST_DIR/site/\<VERSION\>
|
|
// - $WM_PROJECT_INST_DIR/site/
|
|
// - \b other (shipped) settings:
|
|
// - $WM_PROJECT_DIR/etc/
|
|
//
|
|
// \return The list of full paths of all the matching files or
|
|
// an empty list if the name cannot be found.
|
|
// Optionally abort if the file cannot be found.
|
|
// Optionally stop search after the first file has been found.
|
|
fileNameList findEtcFiles
|
|
(
|
|
const fileName&,
|
|
bool mandatory=false,
|
|
bool findFirst=false
|
|
);
|
|
|
|
//- Search for a file using findEtcFiles.
|
|
// \return The full path name of the first file found in the
|
|
// search hierarchy or an empty fileName if the name cannot be found.
|
|
// Optionally abort if the file cannot be found.
|
|
fileName findEtcFile(const fileName&, bool mandatory=false);
|
|
|
|
//- Make a directory and return an error if it could not be created
|
|
// and does not already exist
|
|
bool mkDir(const fileName&, mode_t=0777);
|
|
|
|
//- Set the file mode
|
|
bool chMod(const fileName&, const mode_t);
|
|
|
|
//- Return the file mode
|
|
mode_t mode(const fileName&);
|
|
|
|
//- Return the file type: DIRECTORY or FILE
|
|
fileName::Type type(const fileName&);
|
|
|
|
//- Does the name exist (as DIRECTORY or FILE) in the file system?
|
|
// Optionally enable/disable check for gzip file.
|
|
bool exists(const fileName&, const bool checkGzip=true);
|
|
|
|
//- Does the name exist as a DIRECTORY in the file system?
|
|
bool isDir(const fileName&);
|
|
|
|
//- Does the name exist as a FILE in the file system?
|
|
// Optionally enable/disable check for gzip file.
|
|
bool isFile(const fileName&, const bool checkGzip=true);
|
|
|
|
//- Return size of file
|
|
off_t fileSize(const fileName&);
|
|
|
|
//- Return time of last file modification
|
|
time_t lastModified(const fileName&);
|
|
|
|
//- Read a directory and return the entries as a string list
|
|
fileNameList readDir
|
|
(
|
|
const fileName&,
|
|
const fileName::Type=fileName::FILE,
|
|
const bool filtergz=true
|
|
);
|
|
|
|
//- Copy, recursively if necessary, the source to the destination
|
|
bool cp(const fileName& src, const fileName& dst);
|
|
|
|
//- Create a softlink. dst should not exist. Returns true if successful.
|
|
bool ln(const fileName& src, const fileName& dst);
|
|
|
|
//- Rename src to dst
|
|
bool mv(const fileName& src, const fileName& dst);
|
|
|
|
//- Rename to a corresponding backup file
|
|
// If the backup file already exists, attempt with "01" .. "99" suffix
|
|
bool mvBak(const fileName&, const std::string& ext = "bak");
|
|
|
|
//- Remove a file, returning true if successful otherwise false
|
|
bool rm(const fileName&);
|
|
|
|
//- Remove a dirctory and its contents
|
|
bool rmDir(const fileName&);
|
|
|
|
//- Sleep for the specified number of seconds
|
|
unsigned int sleep(const unsigned int);
|
|
|
|
//- Close file descriptor
|
|
void fdClose(const int);
|
|
|
|
//- Check if machine is up by pinging given port
|
|
bool ping(const string&, const label port, const label timeOut);
|
|
|
|
//- Check if machine is up by pinging port 22 (ssh) and 222 (rsh)
|
|
bool ping(const string&, const label timeOut=10);
|
|
|
|
//- Execute the specified command
|
|
int system(const std::string& command);
|
|
|
|
//- Open a shared library. Return handle to library. Print error message
|
|
// if library cannot be loaded (check = true)
|
|
void* dlOpen(const fileName& lib, const bool check = true);
|
|
|
|
//- Close a dlopened library using handle. Return true if successful
|
|
bool dlClose(void*);
|
|
|
|
//- Lookup a symbol in a dlopened library using handle to library
|
|
void* dlSym(void* handle, const std::string& symbol);
|
|
|
|
//- Report if symbol in a dlopened library could be found
|
|
bool dlSymFound(void* handle, const std::string& symbol);
|
|
|
|
//- Return all loaded libraries
|
|
fileNameList dlLoaded();
|
|
|
|
|
|
// Low level random numbers. Use Random class instead.
|
|
|
|
//- Seed random number generator.
|
|
void osRandomSeed(const label seed);
|
|
|
|
//- Return random integer (uniform distribution between 0 and 2^31)
|
|
label osRandomInteger();
|
|
|
|
//- Return random double precision (uniform distribution between 0 and 1)
|
|
scalar osRandomDouble();
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
} // End namespace Foam
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
#endif
|
|
|
|
// ************************************************************************* //
|