dunedaq::cmdlib Namespace Reference

Namespaces
namespace	cmd

Classes
class	CommandedObject
	Interface needed by commanded objects in the DAQ. More...
class	CommandFacility
	Interface needed by DAQ apps and services for command handling. More...

Typedefs
typedef nlohmann::json	cmdobj_t

Functions
template<typename... ARGS>
std::shared_ptr< CommandFacility >	make_command_facility (std::string const &uri, ARGS &&... args)

Typedef Documentation

cmdobj_t

typedef nlohmann::json dunedaq::cmdlib::cmdobj_t

Definition at line 15 of file CommandedObject.hpp.

Function Documentation

make_command_facility()

template<typename... ARGS>

std::shared_ptr< CommandFacility > dunedaq::cmdlib::make_command_facility	(	std::string const &	uri,
		ARGS &&...	args )

Definition at line 106 of file CommandFacility.hpp.

{
  auto sep = uri.find("://");
  std::string scheme;
  if (sep == std::string::npos) { // simple path
      scheme = "stdin";
  } else { // with scheme
      scheme = uri.substr(0, sep);
  }
  std::string plugin_name = scheme + "CommandFacility";
  static cet::BasicPluginFactory bpf("duneCommandFacility", "make");
  std::shared_ptr<CommandFacility> cf_ptr;
  try {
    cf_ptr = bpf.makePlugin<std::shared_ptr<CommandFacility>>(
      plugin_name,
      uri,
      std::forward<ARGS>(args)...
    );
  } catch (const cet::exception &cexpt) {
    throw CommandFacilityCreationFailed(ERS_HERE, uri, cexpt);
  } catch (const ers::Issue &iexpt) {
    throw CommandFacilityCreationFailed(ERS_HERE, uri, iexpt);
  } catch (...) {  // NOLINT JCF Jan-27-2021 violates letter of the law but not the spirit
    throw CommandFacilityCreationFailed(ERS_HERE, uri, "Unknown error.");
  }
  return cf_ptr;
}