dfx 0.1.0
Linux-based dynamic dataflow executor
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dfx::Core::SourceTransport Class Reference

Abstract base class for all source transports that inject messages into a Channel. More...

#include <dfx-core/transports/sources/SourceTransport.hpp>

Inheritance diagram for dfx::Core::SourceTransport:
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Collaboration diagram for dfx::Core::SourceTransport:
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Public Member Functions

 SourceTransport (Endpoint endpoint, nlohmann::json config)
 Constructs a SourceTransport with the Role::Source role.
Public Member Functions inherited from dfx::Core::Transport
 Transport (Role role, Endpoint endpoint, nlohmann::json config)
 Constructs a transport instance.
 DFX_DISABLE_COPY_AND_MOVE (Transport)
 Transport is not copiable nor movable.
virtual ~Transport ()=default
 Virtual destructor ensuring proper cleanup of derived transports.
template<DerivedFromTransport T>
bool is () const noexcept
 Check whether this transport is of a given derived type.
template<DerivedFromTransport T>
T & as () noexcept
 Cast this transport to a derived type (unchecked).
template<DerivedFromTransport T>
T const & as () const noexcept
 Cast this transport to a derived type (unchecked).
virtual void start (FdWatch::Poller &poller)=0
 Activates the transport and begins I/O operations.
virtual void stop () noexcept=0
 Deactivates the transport and releases system resources.
Role role () const noexcept
 Returns the Role (Source or Destination) of this transport.
bool isSource () const noexcept
 Returns true if this transport is a source.
bool isDestination () const noexcept
 Returns true if this transport is a destination.
Endpoint const & endpoint () const noexcept
 Gets the endpoint descriptor associated with this transport.
Channelchannel () const noexcept
 Gets the channel which this transport is attached to if any.
Portport () const noexcept
 Gets the port associated with this transport.
NodePtr node () const noexcept
 Gets the node associated with this transport.
nlohmann::json const & config () const noexcept
 Gets the JSON configuration used to initialize this transport.

Protected Member Functions

bool transmitMessage (MessagePtr message)
 Forwards a message to the attached Channel for orchestration.

Additional Inherited Members

Public Types inherited from dfx::Core::Transport
enum class  Role { Source , Destination }
 Defines the operational role of a transport relative to a channel. More...
Protected Attributes inherited from dfx::Core::Transport
Role const _role
Endpoint _endpoint
nlohmann::json _config

Detailed Description

Abstract base class for all source transports that inject messages into a Channel.

A SourceTransport represents the "Origin" side of a Channel. Its primary responsibility is to receive data-either from a local OutputPort or a remote network interface—and hand it off to the Channel for processing.

Constructor & Destructor Documentation

◆ SourceTransport()

dfx::Core::SourceTransport::SourceTransport ( Endpoint endpoint,
nlohmann::json config )
inline

Constructs a SourceTransport with the Role::Source role.

Parameters
endpointThe originating endpoint descriptor.
configAdditional JSON configuration specific to this transport instance.

Member Function Documentation

◆ transmitMessage()

bool dfx::Core::SourceTransport::transmitMessage ( MessagePtr message)
protected

Forwards a message to the attached Channel for orchestration.

This is the bridge between the transport layer and the channel logic. Derived classes call this method once they have a fully formed MessagePtr.

Parameters
messageThe message to be processed by the graph.
Returns
true if the Channel accepted the message; false otherwise.

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