Here is a list of all documented files with brief descriptions:

[detail level 1234]

lib
dfx-client
Message.hpp
SocketClient.hpp
dfx-core
channels
Channel.hpp
SPSCChannel.hpp
details
SyncQueue.hpp
messages
ControlMessage.hpp
DataMessage.hpp
Message.hpp
ports
InputPort.hpp
Kind.hpp
OutputPort.hpp
Port.hpp
MimeType.hpp
Node.hpp	Base class for all runtime-executed nodes in a dfx dataflow graph
dfx-fdwatch
BorrowedFd.hpp
Callback.hpp
EPollPoller.hpp
Events.hpp	Event interest and trigger flags for file-descriptor watching (Linux/epoll)
InotifyWatcher.hpp
OwnedFd.hpp
Poller.hpp
PollerFd.hpp
SignalFdWatcher.hpp
Timer.hpp
dfx-graph
exporter
Dot.hpp
Json.hpp
json-schema
GraphSchema.hpp
NodeMetadataSchema.hpp
Controller.hpp
Loader.hpp
NodeFactory.hpp
dfx-hooks
Delivery.hpp
Graph.hpp
Port.hpp
dfx-magic
Context.hpp
dfx-nodes
router
MimeTypeRouter.hpp
Switch.hpp
sink
FileSink.hpp
Log.hpp
source
FileSource.hpp
Generator.hpp
transform
Base64.hpp
Delay.hpp
Process.hpp
utility
Configurable.hpp
ThreadBased.hpp
dfx-pcapng
sinks
FileSink.hpp
PipeSink.hpp
Sink.hpp
TcpSink.hpp
Capture.hpp
Worker.hpp
Writer.hpp
dfx-runtime
tasks
ASyncTask.hpp
NodeTask.hpp
Task.hpp
FdListener.hpp
Scheduler.hpp
ThreadData.hpp
ThreadPool.hpp
dfx-runtime-api
NodeReactor.hpp
PollerProxy.hpp
dfx-server
command-handlers
BaseCommandHandler.hpp
SystemConfigCommandHandler.hpp
json-schema
RouterSchema.hpp
SystemConfigSchema.hpp
TcpServer.hpp
TcpServerForSession.hpp
TcpSession.hpp
UnixRouter.hpp
UnixServer.hpp
UnixSession.hpp
dfx-subprocess
Process.hpp
ProcessFactory.hpp
ProcessStorage.hpp
dfx-utilities
ArchDetection.hpp
Base64.hpp
CompilerSupport.hpp
CopyMoveControl.hpp	Convenience macros to explicitly control copy and move semantics
EnumString.hpp	Macro-based enum <-> string utilities for dfx
Env.hpp
Exception.hpp	Exception utilities for dfx (source-location aware exceptions, nested stacks, and safe invocation helpers)
ExecOnOOS.hpp
FileSystem.hpp
Flags.hpp	Typesafe enum bitmask wrapper and helper macros
Join.hpp
JsonValidator.hpp
Literals.hpp	Fixed-width integer user-defined literals
Log.hpp
LoggerFactory.hpp
Macro.hpp
MonotonicIdAllocator.hpp
PrivateState.hpp	Macros to implement the Private State (PIMPL-like) idiom with value semantics
RecyclableIdAllocator.hpp
SFINAEHelpers.hpp
StringMap.hpp
SystemConfig.hpp
SystemConfigKeys.hpp
Thread.hpp	Small helpers to set and query the current thread name
Utility.hpp	Miscellaneous small utility helpers (strings, parsing, formatting)
UUIDGenerator.hpp