AsyncFw::SystemProcess Class Reference

The SystemProcess class. More...

#include <AsyncFw/SystemProcess>

Collaboration diagram for AsyncFw::SystemProcess:

Public Types
enum	State : uint8_t {   None , Running , Finished , Crashed ,   Error }

Public Member Functions
	SystemProcess (bool=false)
bool	start (const std::string &, const std::vector< std::string > &={})
bool	start ()
State	state ()
pid_t	pid ()
void	wait ()
int	exitCode ()
bool	input (const std::string &) const

Static Public Member Functions
template<typename T>
static bool	exec (const std::string &cmd, const std::vector< std::string > &args, T f)
template<typename T>
static bool	exec (const std::string &cmd, T f)
static bool	exec (const std::string &cmd, const std::vector< std::string > &args={})

Public Attributes
FunctionConnectorProtected< SystemProcess >::Connector< State >	stateChanged {AbstractFunctionConnector::Queued}
	The FunctionConnector for SystemProcess stateChanged.
FunctionConnectorProtected< SystemProcess >::Connector< const std::string &, bool >	output {AbstractFunctionConnector::Queued}
	The FunctionConnector for SystemProcess output.

Detailed Description

The SystemProcess class.

Warning

Unix-like systems only

Example:

#include <AsyncFw/MainThread>
#include <AsyncFw/SystemProcess>
#include <AsyncFw/Timer>
#include <AsyncFw/LogStream>
 
int main(int argc, char *argv[]) {
  AsyncFw::SystemProcess process;
  process.output([](const std::string &str, bool err) {
    if (!err) logInfo() << "OUT:" << '\n' + str;
    else { logError() << "ERR:" << '\n' + str; }
  });
  process.stateChanged([](AsyncFw::SystemProcess::State _s) {
    if (_s == AsyncFw::SystemProcess::Running) return;
    AsyncFw::MainThread::exit(0);
  });
 
  process.start("/bin/bash");
 
  AsyncFw::Timer::single(50, [&process]() { process.input("echo 1234567890\n"); });
  AsyncFw::Timer::single(100, [&process]() { process.input("_cmd_\n"); });  //error: _cmd_ not found
  AsyncFw::Timer::single(150, [&process]() { process.input("ls /\n"); });
  AsyncFw::Timer::single(200, [&process]() { process.input("exit\n"); });
 
  logNotice() << "Start Applicaiton";
  int ret = AsyncFw::MainThread::exec();
  return ret;
}

Examples

SystemProcess/main.cpp.

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

• linux/SystemProcess.h
• linux/SystemProcess.cpp