Function rclcpp::get_service_typesupport_handle

• Defined in File typesupport_helpers.hpp

Function Documentation

const rosidl_service_type_support_t *rclcpp::get_service_typesupport_handle(const std::string &type, const std::string &typesupport_identifier, rcpputils::SharedLibrary &library)

Extracts the service type support handle from the library.

Note

The library needs to match the service type. The shared library must stay loaded for the lifetime of the result.

Parameters:

• type – [in] The service type, e.g. “std_srvs/srv/Empty”

• typesupport_identifier – [in] Type support identifier, typically “rosidl_typesupport_cpp”

• library – [in] The shared type support library

Throws:

std::runtime_error – if the symbol of type not found in the library.

Returns:

A service type support handle