Executor Class Reference

Collaboration diagram for Executor:

Public Member Functions
	Executor (const std::string &path)
void	setExecutable (const char *format,...)
void	setExecutable (const std::string &path)
void	addArg (const char *format,...)
void	addArg (const std::string &arg)
void	addArg (int arg)
void	addArg (short arg)
void	addArg (float arg)
void	addArg (double arg)
bool	execute (bool isdaemon=false)

Private Attributes
std::string	m_path
std::vector< std::string >	m_arg_v

Detailed Description

Definition at line 20 of file Executor.h.

Constructor & Destructor Documentation

Executor() [1/2]

Executor ( )

inline

Definition at line 23 of file Executor.h.

{}

Executor() [2/2]

Executor ( const std::string &  path )

inline

Definition at line 24 of file Executor.h.

: m_path(path) {}

Member Function Documentation

addArg() [1/6]

void addArg	(	const char *	format,
			...
	)

Definition at line 33 of file Executor.cc.

{
  va_list ap;
  static char ss[1024];
  va_start(ap, format);
  vsprintf(ss, format, ap);
  va_end(ap);
  m_arg_v.push_back(ss);
}

addArg() [2/6]

void addArg

(

const std::string &

arg

)

Definition at line 43 of file Executor.cc.

{
  m_arg_v.push_back(arg);
}

addArg() [3/6]

void addArg ( double  arg )

inline

Definition at line 34 of file Executor.h.

{ addArg("%f", arg); }

addArg() [4/6]

void addArg ( float  arg )

inline

Definition at line 33 of file Executor.h.

{ addArg("%f", arg); }

addArg() [5/6]

void addArg ( int  arg )

inline

Definition at line 31 of file Executor.h.

{ addArg("%d", arg); }

addArg() [6/6]

void addArg ( short  arg )

inline

Definition at line 32 of file Executor.h.

{ addArg("%d", arg); }

execute()

bool execute

(

bool

isdaemon = false

)

Definition at line 48 of file Executor.cc.

{
  char* argv[256];
  argv[0] = (char*)m_path.c_str();
  std::cerr << "" << argv[0] << " ";
  for (size_t i = 0; i < m_arg_v.size(); i++) {
    argv[i + 1] = (char*)m_arg_v[i].c_str();
    std::cerr << "" << argv[i + 1] << " ";
  }
  std::cerr << std::endl;
  argv[m_arg_v.size() + 1] = NULL;
  if (isdaemon) daemon(0, 0);
  if (execvp(m_path.c_str(), argv) == -1) {
    LogFile::error("Faield to start %s", argv[0]);
    return false;
  }
 
  return true;
}

setExecutable() [1/2]

void setExecutable	(	const char *	format,
			...
	)

Definition at line 18 of file Executor.cc.

{
  va_list ap;
  static char ss[1024];
  va_start(ap, format);
  vsprintf(ss, format, ap);
  va_end(ap);
  m_path = ss;
}

setExecutable() [2/2]

void setExecutable

(

const std::string &

path

)

Definition at line 28 of file Executor.cc.

{
  m_path = path;
}

Member Data Documentation

m_arg_v

std::vector<std::string> m_arg_v

private

Definition at line 39 of file Executor.h.

m_path

std::string m_path

private

Definition at line 38 of file Executor.h.

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

• daq/slc/system/include/Executor.h
• daq/slc/system/src/Executor.cc