storage::SystemCmd Class Reference

#include <SystemCmd.h>

Inheritance diagram for storage::SystemCmd:

List of all members.

Public Types
enum	OutputStream { IDX_STDOUT, IDX_STDERR }
Public Member Functions
	SystemCmd (const string &Command_Cv)
	SystemCmd ()
virtual	~SystemCmd ()
int	execute (const string &Command_Cv)
int	executeBackground (const string &Command_Cv)
int	executeRestricted (const string &Command_Cv, unsigned long MaxTimeSec, unsigned long MaxLineOut, bool &ExceedTime, bool &ExceedLines)
void	setOutputProcessor (OutputProcessor *proc)
const vector< string > &	stdout () const
const vector< string > &	stderr () const
string	cmd () const
int	retcode () const
int	select (const string &Reg_Cv, OutputStream Idx_ii=IDX_STDOUT)
unsigned	numLines (bool Selected_bv=false, OutputStream Idx_ii=IDX_STDOUT) const
string	getLine (unsigned Num_iv, bool Selected_bv=false, OutputStream Idx_ii=IDX_STDOUT) const
void	setCombine (bool combine=true)
Static Public Member Functions
static void	setTestmode (bool testmode=true)
static string	quote (const string &str)
static string	quote (const std::list< string > &strs)
Protected Member Functions
void	invalidate ()
void	closeOpenFds () const
int	doExecute (const string &Cmd_Cv)
bool	doWait (bool Hang_bv, int &Ret_ir)
void	checkOutput ()
void	getUntilEOF (FILE *File_Cr, std::vector< string > &Lines_Cr, bool &NewLineSeen_br, bool Stderr_bv)
void	extractNewline (const string &Buf_ti, int Cnt_ii, bool &NewLineSeen_br, string &Text_Cr, std::vector< string > &Lines_Cr)
void	addLine (const string &Text_Cv, std::vector< string > &Lines_Cr)
void	init ()
void	logOutput () const
Protected Attributes
FILE *	File_aC [2]
std::vector< string >	Lines_aC [2]
std::vector< string * >	SelLines_aC [2]
bool	NewLineSeen_ab [2]
bool	Combine_b
bool	Background_b
string	lastCmd
int	Ret_i
int	Pid_i
OutputProcessor *	output_proc
struct pollfd	pfds [2]
Static Protected Attributes
static bool	testmode = false
static const unsigned	line_limit = 50

---

Member Enumeration Documentation

enum storage::SystemCmd::OutputStream

Enumerator:

IDX_STDOUT
IDX_STDERR

---

Constructor & Destructor Documentation

storage::SystemCmd::SystemCmd

(

const string &

Command_Cv

)

References execute(), init(), and y2mil.

storage::SystemCmd::SystemCmd

(

)

References init(), and y2mil.

storage::SystemCmd::~SystemCmd

(

)

[virtual]

References File_aC, IDX_STDERR, and IDX_STDOUT.

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Member Function Documentation

void storage::SystemCmd::addLine	(	const string &	Text_Cv,
		std::vector< string > &	Lines_Cr
	)		[protected]

References line_limit, y2deb, and y2mil.

Referenced by extractNewline(), and getUntilEOF().

void storage::SystemCmd::checkOutput

(

)

[protected]

References File_aC, getUntilEOF(), IDX_STDERR, IDX_STDOUT, Lines_aC, NewLineSeen_ab, and y2deb.

Referenced by doExecute(), and doWait().

void storage::SystemCmd::closeOpenFds

(

)

const [protected]

Referenced by doExecute().

string storage::SystemCmd::cmd

(

)

const [inline]

References lastCmd.

Referenced by doExecute(), and storage::Container::setExtError().

int storage::SystemCmd::doExecute

(

const string &

Cmd_Cv

)

[protected]

References ALTERNATE_SHELL, Background_b, checkOutput(), closeOpenFds(), cmd(), Combine_b, doWait(), File_aC, IDX_STDERR, IDX_STDOUT, invalidate(), lastCmd, logOutput(), output_proc, pfds, Pid_i, PRIMARY_SHELL, storage::OutputProcessor::reset(), Ret_i, testmode, y2deb, y2err, and y2mil.

Referenced by execute(), and executeBackground().

bool storage::SystemCmd::doWait	(	bool	Hang_bv,
		int &	Ret_ir
	)		[protected]

References checkOutput(), Combine_b, File_aC, storage::OutputProcessor::finish(), IDX_STDERR, IDX_STDOUT, lastCmd, output_proc, pfds, Pid_i, y2deb, and y2err.

Referenced by doExecute(), and executeRestricted().

int storage::SystemCmd::execute

(

const string &

Command_Cv

)

References Background_b, doExecute(), and y2mil.

Referenced by storage::MdCo::activate(), storage::LvmVg::activate(), storage::DmraidCo::activate(), storage::DmmultipathCo::activate(), storage::Storage::checkNfsDevice(), storage::Storage::commitPair(), storage::Volume::detectEncryption(), storage::LvmVg::doCreatePv(), storage::Volume::doCryptsetup(), storage::Volume::doFormat(), storage::Volume::doFormatBtrfs(), storage::Volume::doFstabUpdate(), storage::MdPartCo::doRemove(), storage::MdCo::doRemove(), storage::DmraidCo::doRemove(), storage::Storage::loadModuleIfNeeded(), storage::Volume::mount(), storage::Storage::removeDmTable(), storage::Volume::resizeFs(), SystemCmd(), storage::Volume::umount(), and storage::Storage::zeroDevice().

int storage::SystemCmd::executeBackground

(

const string &

Command_Cv

)

References Background_b, doExecute(), and y2mil.

Referenced by executeRestricted().

int storage::SystemCmd::executeRestricted	(	const string &	Command_Cv,
		unsigned long	MaxTimeSec,
		unsigned long	MaxLineOut,
		bool &	ExceedTime,
		bool &	ExceedLines
	)

References doWait(), executeBackground(), IDX_STDERR, numLines(), Pid_i, Ret_i, and y2mil.

Referenced by storage::Volume::detectEncryption().

void storage::SystemCmd::extractNewline	(	const string &	Buf_ti,
		int	Cnt_ii,
		bool &	NewLineSeen_br,
		string &	Text_Cr,
		std::vector< string > &	Lines_Cr
	)		[protected]

References addLine(), and y2deb.

Referenced by getUntilEOF().

string storage::SystemCmd::getLine	(	unsigned	Num_iv,
		bool	Selected_bv = false,
		OutputStream	Idx_ii = IDX_STDOUT
	)		const

References Lines_aC, SelLines_aC, and y2err.

Referenced by storage::Dm::computePe(), storage::Dasdview::Dasdview(), storage::FreeInfo::detectContentInfo(), storage::DmCo::detectEncryption(), storage::Volume::doFormatBtrfs(), storage::Fdasd::Fdasd(), storage::Volume::getLoopData(), storage::LvmVg::getVgData(), storage::Storage::handleHald(), storage::ProcMounts::isBind(), storage::isImsmPlatform(), logOutput(), storage::Parted::Parted(), storage::Storage::removeDmTableTo(), storage::MdPartCo::scanForRaid(), storage::Fdasd::scanGeometry(), and storage::Dasdview::scanGeometry().

void storage::SystemCmd::getUntilEOF	(	FILE *	File_Cr,
		std::vector< string > &	Lines_Cr,
		bool &	NewLineSeen_br,
		bool	Stderr_bv
	)		[protected]

References addLine(), BUF_LEN, extractNewline(), output_proc, Pid_i, storage::OutputProcessor::process(), y2deb, and y2mil.

Referenced by checkOutput().

void storage::SystemCmd::init

(

)

[protected]

References File_aC, and pfds.

Referenced by SystemCmd().

void storage::SystemCmd::invalidate

(

)

[protected]

References Lines_aC, NewLineSeen_ab, and SelLines_aC.

Referenced by doExecute().

void storage::SystemCmd::logOutput

(

)

const [protected]

References getLine(), IDX_STDERR, IDX_STDOUT, line_limit, numLines(), and y2mil.

Referenced by doExecute().

unsigned storage::SystemCmd::numLines	(	bool	Selected_bv = false,
		OutputStream	Idx_ii = IDX_STDOUT
	)		const

References Lines_aC, SelLines_aC, y2deb, and y2err.

Referenced by storage::CmdBtrfsShow::CmdBtrfsShow(), storage::CmdDmsetup::CmdDmsetup(), storage::CmdMultipath::CmdMultipath(), storage::DmCo::detectEncryption(), executeRestricted(), storage::Fdasd::Fdasd(), storage::LvmVg::getVgData(), storage::Storage::handleHald(), storage::ProcMounts::isBind(), storage::isImsmPlatform(), storage::Storage::loadModuleIfNeeded(), logOutput(), storage::Storage::removeDmTableTo(), and storage::MdPartCo::scanForRaid().

string storage::SystemCmd::quote

(

const std::list< string > &

strs

)

[static]

Quotes and protects every single string in the list for shell execution.

References quote().

string storage::SystemCmd::quote

(

const string &

str

)

[static]

Quotes and protects a single string for shell execution.

Referenced by storage::quote(), and quote().

int storage::SystemCmd::retcode

(

)

const [inline]

References Ret_i.

Referenced by storage::CmdBtrfsShow::CmdBtrfsShow(), storage::CmdDmraid::CmdDmraid(), storage::CmdDmsetup::CmdDmsetup(), storage::CmdMultipath::CmdMultipath(), storage::Loop::createFile(), storage::Volume::cryptUnsetup(), storage::Dasdview::Dasdview(), storage::Volume::detectEncryption(), storage::FreeInfo::detectResizeInfo(), storage::MdCo::doCreate(), storage::LvmVg::doCreate(), storage::LvmVg::doCreatePv(), storage::LvmVg::doCreateVg(), storage::Volume::doCryptsetup(), storage::Volume::doFormat(), storage::Volume::doFormatBtrfs(), storage::Volume::doFstabUpdate(), storage::Volume::doLosetup(), storage::MdPartCo::doRemove(), storage::DmraidCo::doRemove(), storage::LvmVg::doRemoveVg(), storage::Volume::doSetLabel(), storage::Fdasd::Fdasd(), storage::getMdadmDetails(), storage::LvmVg::getVgs(), storage::Storage::loadModuleIfNeeded(), storage::Volume::loUnsetup(), storage::Lsscsi::Lsscsi(), storage::Storage::removeDmTable(), storage::Volume::resizeFs(), storage::MdPartCo::scanForRaid(), and storage::Storage::waitForDevice().

int storage::SystemCmd::select	(	const string &	Reg_Cv,
		OutputStream	Idx_ii = IDX_STDOUT
	)

References Lines_aC, Pid_i, SelLines_aC, y2deb, y2err, and y2mil.

Referenced by storage::Dasdview::Dasdview(), storage::Volume::doFormatBtrfs(), storage::Fdasd::Fdasd(), storage::Volume::getFreeLoop(), storage::Volume::getLoopData(), storage::ProcMounts::isBind(), storage::isImsmPlatform(), storage::Parted::Parted(), storage::Fdasd::scanGeometry(), and storage::Dasdview::scanGeometry().

void storage::SystemCmd::setCombine

(

bool

combine = true

)

References Combine_b.

Referenced by storage::Volume::resizeFs().

void storage::SystemCmd::setOutputProcessor

(

OutputProcessor *

proc

)

[inline]

References output_proc.

Referenced by storage::Dasd::doDasdfmt(), and storage::Volume::doFormat().

void storage::SystemCmd::setTestmode

(

bool

testmode = true

)

[static]

References testmode.

Referenced by storage::Storage::Storage().

const vector<string>& storage::SystemCmd::stderr

(

)

const [inline]

References IDX_STDERR, and Lines_aC.

Referenced by storage::Container::setExtError().

const vector<string>& storage::SystemCmd::stdout

(

)

const [inline]

References IDX_STDOUT, and Lines_aC.

Referenced by storage::CmdBtrfsShow::CmdBtrfsShow(), storage::CmdDmraid::CmdDmraid(), storage::CmdDmsetup::CmdDmsetup(), storage::CmdMultipath::CmdMultipath(), storage::FreeInfo::detectResizeInfo(), storage::getMdadmDetails(), storage::LvmVg::getVgs(), storage::Lsscsi::Lsscsi(), storage::Parted::Parted(), and storage::Container::setExtError().

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Member Data Documentation

bool storage::SystemCmd::Background_b [protected]

Referenced by doExecute(), execute(), and executeBackground().

bool storage::SystemCmd::Combine_b [protected]

Referenced by doExecute(), doWait(), and setCombine().

FILE* storage::SystemCmd::File_aC[2] [protected]

Referenced by checkOutput(), doExecute(), doWait(), init(), and ~SystemCmd().

string storage::SystemCmd::lastCmd [protected]

Referenced by cmd(), doExecute(), and doWait().

const unsigned storage::SystemCmd::line_limit = 50 [static, protected]

Referenced by addLine(), and logOutput().

std::vector<string> storage::SystemCmd::Lines_aC[2] [protected]

Referenced by checkOutput(), getLine(), invalidate(), numLines(), select(), stderr(), and stdout().

bool storage::SystemCmd::NewLineSeen_ab[2] [protected]

Referenced by checkOutput(), and invalidate().

OutputProcessor* storage::SystemCmd::output_proc [protected]

Referenced by doExecute(), doWait(), getUntilEOF(), and setOutputProcessor().

struct pollfd storage::SystemCmd::pfds[2] [protected]

Referenced by doExecute(), doWait(), and init().

int storage::SystemCmd::Pid_i [protected]

Referenced by doExecute(), doWait(), executeRestricted(), getUntilEOF(), and select().

int storage::SystemCmd::Ret_i [protected]

Referenced by doExecute(), executeRestricted(), and retcode().

std::vector<string*> storage::SystemCmd::SelLines_aC[2] [protected]

Referenced by getLine(), invalidate(), numLines(), and select().

bool storage::SystemCmd::testmode = false [static, protected]

Referenced by doExecute(), and setTestmode().

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The documentation for this class was generated from the following files:

• SystemCmd.h
• SystemCmd.cc