| ►Ncaf | Root namespace of libcaf |
| Nexit_reason | Contains all predefined exit reasons |
| ►Nio | Contains all IO-related classes and functions |
| ►Nbasp | Contains all classes and functions for the Binary Actor Sytem Protocol |
| Cheader | The header of a Binary Actor System Protocol (BASP) message |
| ►Cinstance | Describes a protocol instance managing multiple connections |
| Ccallee | Provides a callback-based interface for certain BASP events |
| ►Cmessage_queue | Enforces strict order of message delivery, i.e., deliver messages in the same order as if they were deserialized by a single thread |
| Cactor_msg | Request for sending a message to an actor at a later time |
| ►Crouting_table | Stores routing information for a single broker participating as BASP peer and provides both direct and indirect paths |
| Croute | Describes a routing path to a node |
| Cworker | Deserializes payloads for BASP messages asynchronously |
| ►Nnetwork | Contains classes and functions used for network abstraction |
| Cacceptor | An acceptor is responsible for accepting incoming connections |
| Cacceptor_impl | A concrete acceptor with a technology-dependent policy |
| Cacceptor_manager | An acceptor manager configures an acceptor and provides callbacks for incoming connections as well as for error handling |
| Cdatagram_handler_impl | A concrete datagram_handler with a technology-dependent policy |
| Cdatagram_manager | A datagram manager provides callbacks for outgoing datagrams as well as for error handling |
| Cdatagram_servant_impl | Default datagram servant implementation |
| Cdoorman_impl | Default doorman implementation |
| ►Cevent_handler | A socket I/O event handler |
| Cstate | Stores various status flags and user-defined config parameters |
| Cinterfaces | Utility class bundling access to network interface names and addresses |
| Cip_endpoint | A hashable wrapper for a sockaddr storage |
| Cmanager | A manager configures an I/O device and provides callbacks for various I/O operations |
| ►Cmultiplexer | Low-level backend for IO multiplexing |
| Crunnable | Simple wrapper for runnables |
| Csupervisor | Makes sure the multipler does not exit its event loop until the destructor of supervisor has been called |
| Cpipe_reader | An event handler for the internal event pipe |
| Cprotocol | Bundles protocol information for network and transport layer communication |
| Creceive_buffer | A container that does not call constructors and destructors for its values |
| Cscribe_impl | Default scribe implementation |
| Cstream | A stream capable of both reading and writing |
| Cstream_impl | A concrete stream with a technology-dependent policy for sending and receiving data from a socket |
| Cstream_manager | A stream manager configures an IO stream and provides callbacks for incoming data as well as for error handling |
| Cabstract_broker | A broker mediates between actor systems and other components in the network |
| Caccept_handle | Generic handle type for managing incoming connections |
| Cacceptor_closed_msg | Signalizes that a broker acceptor has been closed |
| Cacceptor_passivated_msg | Signalizes that an acceptor has entered passive mode |
| Cbasp_broker | A broker implementation for the Binary Actor System Protocol (BASP) |
| Cbroker | Describes a dynamically typed broker |
| Cbroker_servant | Base class for scribe and doorman |
| Cconnection_closed_msg | Signalizes that a broker connection has been closed |
| Cconnection_handle | Generic handle type for identifying connections |
| Cconnection_passivated_msg | Signalizes that a connection has entered passive mode |
| Cdata_transferred_msg | Signalizes that a certain amount of bytes has been written |
| Cdatagram_handle | Generic handle type for identifying datagram endpoints |
| Cdatagram_sent_msg | Signalizes that a datagram with a certain size has been sent |
| Cdatagram_servant | Manages writing to a datagram sink |
| Cdatagram_servant_closed_msg | Signalizes that a datagram endpoint has entered passive mode |
| Cdatagram_servant_passivated_msg | Signalizes that a datagram sink has entered passive mode |
| Cdoorman | Manages incoming connections |
| Cmiddleman | Manages brokers and network backends |
| Cmiddleman_actor_impl | Default implementation of the middleman_actor interface |
| Cnew_connection_msg | Signalizes a newly accepted connection from a broker |
| Cnew_data_msg | Signalizes newly arrived data for a broker |
| Cnew_datagram_msg | Signalizes that a datagram with a certain size has been sent |
| Cscribe | Manages a stream |
| ►Nmixin | Contains mixin classes implementing several actor traits |
| Cbehavior_changer | A behavior_changer is an actor that supports self->become(...) and self->unbecome() |
| Crequester | A requester is an actor that supports self->request(...) |
| Csender | A sender is an actor that supports self->send(...) |
| Csubscriber | A subscriber is an actor that can subscribe to a group via self->join(...) |
| Csubscriber_base | Marker for subscriber |
| ►Npolicy | Contains policies encapsulating characteristics or algorithms |
| Carg | Provides a wrapper to pass policy types as values to functions |
| Ccategorized | Configures a cached WDRR fixed multiplexed queue for dispatching to four nested queue (one for each message category type) |
| ►Cdownstream_messages | Configures a dynamic WDRR queue for holding downstream messages |
| Cnested | Configures a nested DRR queue |
| Cnormal_messages | Configures a cached DRR queue for holding asynchronous messages with default priority |
| Cprofiled | An enhancement of CAF's scheduling policy which records fine-grained resource utiliziation for worker threads and actors in the parent coordinator of the workers |
| ►Cscheduler_policy | This concept class describes a policy for worker and coordinator of the scheduler |
| Ccoordinator_data | Policy-specific data fields for the coordinator |
| Cworker_data | Policy-specific data fields for the worker |
| Ctcp | Policy object for wrapping default TCP operations |
| Cudp | Policy object for wrapping default UDP operations |
| Cunprofiled | This class is intended to be used as a base class for actual polices |
| Cupstream_messages | Configures a DRR queue for holding upstream messages |
| Curgent_messages | Configures a cached DRR queue for holding asynchronous messages with default priority |
| Cwork_sharing | Implements scheduling of actors via work sharing (central job queue) |
| Cwork_stealing | Implements scheduling of actors via work stealing |
| Cabstract_actor | Base class for all actor implementations |
| Cabstract_channel | Interface for all message receivers |
| Cabstract_composable_behavior | Marker type that allows CAF to spawn actors from composable states |
| Cabstract_group | A multicast group |
| Cactor | Identifies an untyped actor |
| Cactor_addr | Stores the address of typed as well as untyped actors |
| Cactor_clock | A monotonic clock for scheduling timeouts and delayed messages |
| Cactor_companion | An co-existing actor forwarding all messages through a user-defined callback to another object, thus serving as gateway to allow any object to interact with other actors |
| Cactor_config | Stores spawn-time flags and groups |
| Cactor_control_block | Actors are always allocated with a control block that stores its identity as well as strong and weak reference counts to it |
| Cactor_ostream | Provides support for thread-safe output operations on character streams |
| Cactor_pool | An actor poool is a lightweight abstraction for a set of workers |
| Cactor_profiler | A profiler which provides a set of callbacks for several actor operations in order to collect fine-grained profiling state about the system |
| Cactor_proxy | Represents an actor running on a remote machine, or different hardware, or in a separate process |
| Cactor_registry | A registry is used to associate actors to IDs or atoms (names) |
| ►Cactor_system | Actor environment including scheduler, registry, and optional components such as a middleman |
| Cmodule | An (optional) component of the actor system |
| Cactor_system_config | Configures an actor_system on startup |
| Cactor_traits | Provides uniform access to properties of actor types |
| Cadd_param | Converts T to param<T> unless T is arithmetic, an atom constant, or a stream handshake |
| Callowed_unsafe_message_type | Template specializations can whitelist individual types for unsafe message passing operations |
| Carraybuf | A streambuffer abstraction over a fixed array of bytes |
| Catom_constant | Lifts an atom_value to a compile-time constant |
| ►Cattachable | Callback utility class |
| Ctoken | Represents a pointer to a value with its subtype as type ID number |
| Cbehavior | Describes the behavior of an actor, i.e., provides a message handler and an optional timeout |
| Cbinary_deserializer | Implements the deserializer interface with a binary serialization protocol |
| ►Cblocking_actor | A thread-mapped or context-switching actor using a blocking receive rather than a behavior-stack based message processing |
| Caccept_one_cond | Pseudo receive condition modeling a single receive |
| Cdo_receive_helper | Implementation helper for blocking_actor::do_receive |
| Cmailbox_policy | Configures the FIFO inbox with two nested queues: |
| Creceive_cond | Represents pre- and postconditions for receive loops |
| Creceive_for_helper | Implementation helper for blocking_actor::receive_for |
| Creceive_while_helper | Implementation helper for blocking_actor::receive_while |
| Cblocking_actor_base | Marker type for blocking actors |
| Cbuffered_downstream_manager | Mixin for streams with any number of downstreams |
| Cbyte_address | Base type for addresses based on a byte representation such as IP or Ethernet addresses |
| Ccallback | Describes a simple callback, usually implemented via lambda expression |
| Ccallback_impl | Utility class for wrapping a function object of type Base |
| Ccomposable_behavior | Base type for composable actor states |
| Ccomposable_behavior_base | Generates an interface class that provides operator() |
| Ccomposable_behavior_based_actor | Implementation class for spawning composable states directly as actors |
| Ccomposed_type | Computes the type for f*g (actor composition) |
| ►Cconfig_option | Defines a configuration option for the application |
| Cmeta_state | Custom vtable-like struct for delegating to type-specific functions and storing type-specific information shared by several config options |
| Cconfig_option_adder | Adds config options of the same category to a config_option_set |
| Cconfig_option_set | A set of config_option objects that parses CLI arguments into a settings object |
| Cconfig_value | A type for config parameters with similar interface to a variant |
| Cconfig_value_access< std::tuple< Ts... > > | Implements automagic unboxing of std::tuple<Ts...> from a heterogeneous config_value::list |
| Cconfig_value_adaptor | Interfaces between a user-defined type and CAF config values by going through intermediate values |
| Cconfig_value_adaptor_access | Enables user-defined types in config files and on the CLI by converting them to and from tuples |
| Cconfig_value_adaptor_field | Describes a field of type T of an adaptor |
| Cconfig_value_field | Describes a field of Object |
| Cconfig_value_object_access | Enables user-defined types in config files and on the CLI by converting them to and from config_value::dictionary |
| Ccontainerbuf | A streambuffer abstraction over a contiguous container |
| Ccow_tuple | A copy-on-write tuple implementation |
| Cdata_processor | A data processor translates an object into a format that can be stored or vice versa |
| Cdeep_to_string_t | Wrapper to deep_to_string for using the function as an inspector |
| Cdefault_actor_traits | Default implementation of actor_traits for non-actors (SFINAE-friendly) |
| Cdefault_actor_traits< T, true > | Default implementation of actor_traits for regular actors |
| Cdefault_downstream_manager | Selects a downstream manager implementation based on the signature of various handlers |
| Cdefault_sum_type_access | Allows specializing the sum_type_access trait for any type that simply wraps a variant and exposes it with a get_data() member function |
| Cdelegated | Helper class to indicate that a request has been forwarded |
| Cdeserializer | Technology-independent deserialization interface |
| Cdictionary | Maps strings to values of type V, but unlike std::map<std::string, V> accepts string_view for looking up keys efficiently |
| Cdown_msg | Sent to all actors monitoring an actor when it is terminated |
| Cdownstream | Grants access to an output stream buffer |
| ►Cdownstream_manager | Manages downstream communication for a stream_manager |
| Cpath_predicate | Predicate object for paths |
| Cpath_visitor | Function object for iterating over all paths |
| Cdownstream_manager_base | The default downstream manager base stores outbound paths in an unordered map |
| ►Cdownstream_msg | Stream messages that travel downstream, i.e., batches and close messages |
| Cbatch | Transmits stream data |
| Cclose | Orderly shuts down a stream after receiving an ACK for the last batch |
| Cforced_close | Propagates a fatal error from sources to sinks |
| Cduration | Time duration consisting of a time_unit and a 64 bit unsigned integer |
| Cdynamically_typed_actor_base | Marker type for dynamically typed actors |
| Cempty_type_erased_tuple | Dummy objects representing empty tuples |
| Cerror | A serializable type for storing error codes with category and optional, human-readable context information |
| Cevent_based_actor | A cooperatively scheduled, event-based actor implementation |
| Cexecution_unit | Identifies an execution unit, e.g., a worker thread of the scheduler |
| Cexit_msg | Sent to all links when an actor is terminated |
| Cexpected | Represents the result of a computation which can either complete successfully with an instance of type T or fail with an error |
| Cexpected< void > | The pattern expected<void> shall be used for functions that may generate an error but would otherwise return bool |
| Cextend | Allows convenient definition of types using mixins |
| Cforwarding_actor_proxy | Implements a simple proxy forwarding all operations to a manager |
| Cfunction_view | A function view for an actor hides any messaging from the caller |
| ►Cfused_downstream_manager | A downstream manager that delegates to any number of sub-managers |
| Cnon_owning_ptr | State held for each slot |
| Cgroup_down_msg | Sent to all members of a group when it goes offline |
| Cgroup_module | Interface for user-defined multicast implementations |
| Chandle | Base class for IO handles such as accept_handle or connection_handle |
| Chas_make_error | Evaluates to true if T is an enum with a free function make_error for converting it to an error |
| Chas_sum_type_access | Evaluates to true if T specializes sum_type_access |
| Chas_type_id | Evaluates to true if any of these statements holds true: |
| Cillegal_message_element | Marker class identifying classes in CAF that are not allowed to be used as message element |
| ►Cinbound_path | State for a path to an upstream actor (source) |
| ►Cstats_t | Stores statistics for measuring complexity of incoming batches |
| Ccalculation_result | Wraps the resulf of stats_t::calculate() |
| Cmeasurement | Wraps a time measurement for a single processed batch |
| Cinbound_stream_slot | Wraps a stream slot ID for inbound paths with the full type information of the path creation |
| Cindex_mapping | Marker for representing placeholders at runtime |
| Cinfer_handle_from_class | Deduces actor for dynamically typed actors, otherwise typed_actor<...> is deduced |
| Cinfer_handle_from_fun | Deduces an actor handle type from a function or function object |
| Cinfinite_t | Represents an infinite amount of timeout for specifying "invalid" timeouts |
| Cintrusive_cow_ptr | An intrusive, reference counting smart pointer implementation with copy-on-write optimization |
| Cintrusive_ptr | An intrusive, reference counting smart pointer implementation |
| Cipv4_endpoint | An IP endpoint that contains an ::ipv4_address and a port |
| Cipv6_endpoint | An IP endpoint that contains an ::ipv6_address and a port |
| Cis_actor_handle | Checks whether T is an actor or a typed_actor<...> |
| Cis_error_code_enum | Customization point for enabling conversion from an enum type to an error or error_code |
| Cis_typed_actor | Evaluates to true if T is a typed_actor<...> |
| ►Clogger | Centrally logs events from all actors in an actor system |
| Cconfig | Combines various logging-related flags and parameters into a bitfield |
| Cevent | Encapsulates a single logging event |
| Cfield | Represents a single format string field |
| Cline_builder | Utility class for building user-defined log messages with CAF_ARG |
| Cmailbox_category_corrector | Corrects the message ID for down- and upstream messages to make sure the category for a mailbox_element matches its content |
| Cmailbox_element_vals | Encapsulates arbitrary data in a message element |
| Cmailbox_element_view | Provides a view for treating arbitrary data as message element |
| Cmake_sink_result | Returns a stream sink with the slot ID of its first inbound path |
| Cmake_source_result | Returns a stream source with the slot ID of its first outbound path |
| Cmake_stage_result | Returns a stream stage with the slot IDs of its first in- and outbound paths |
| Cmemory_managed | This base enables derived classes to enforce a different allocation strategy than new/delete by providing a virtual protected request_deletion() function and non-public destructor |
| ►Cmessage | Describes a fixed-length, copy-on-write, type-erased tuple with elements of any type |
| Ccli_arg | Stores the name of a command line option ("<long name>[,<short name>]") along with a description and a callback |
| Ccli_res | Stores the result of message::extract_opts |
| Cmessage_builder | Provides a convenient interface for createing message objects from a series of values using the member function append |
| Cmessage_handler | A partial function implementation used to process a message |
| Cmessage_id | Bundles various flags along with an optional request ID |
| Cmessage_view | Represents an object pointing to a type_erased_tuple that is convertible to a message |
| Cmonitorable_actor | Base class for all actor implementations |
| Cnamed_actor_config | Stores a flow-control configuration |
| Cno_error_t | Helper class to construct an expected<T> that represents no error |
| Cno_stages_t | Convenience tag type for producing empty forwarding stacks |
| Cnode_id | A node ID is an opaque value for representing CAF instances in the network |
| Cnon_blocking_actor_base | Marker type for non-blocking actors |
| Cnone_t | Represents "nothing", e.g., for clearing an optional by assigning none |
| Copen_stream_msg | Demands the receiver to open a new stream from the sender to the receiver |
| Coptional | A C++17 compatible optional implementation |
| Coptional< T & > | Template specialization to allow optional to hold a reference rather than an actual value with minimal overhead |
| Coutbound_path | State for a single path to a sink of a downstream_manager |
| Coutbound_stream_slot | Wraps a stream slot ID for outbound paths with the full type information of the path creation |
| Cparam | Represents a message handler parameter of type T and guarantees copy-on-write semantics |
| Cparam_decay | Convenience struct for remove_param<std::decay<T>> |
| Cparser_state | Stores all informations necessary for implementing an FSM-based parser |
| ►Cproxy_registry | Groups a (distributed) set of actors and allows actors in the same namespace to exchange messages |
| Cbackend | Responsible for creating proxy actors |
| Cratio_to_time_unit_helper | Converts the ratio Num/Denom to a time_unit if the ratio describes seconds, milliseconds, microseconds, or minutes |
| Craw_event_based_actor | A cooperatively raw scheduled actor is a dynamically typed actor that does not handle any system messages |
| Cref_counted | Base class for reference counted objects with an atomic reference count |
| Cremove_param | Unpacks param<T> to T |
| Cresponse_handle | This helper class identifies an expected response message and enables request(...).then(...) |
| Cresponse_promise | A response promise can be used to deliver a uniquely identifiable response message from the server (i.e |
| Cresponse_type | Defines: |
| Cresponse_type_unbox | Unboxes Xs and calls response_type |
| Cresumable | A cooperatively executed task managed by one or more instances of execution_unit |
| Cruntime_settings_map | Thread-safe container for mapping atoms to arbitrary settings |
| ►Cscheduled_actor | A cooperatively scheduled, event-based actor implementation |
| Cmailbox_policy | Configures the FIFO inbox with four nested queues: |
| Cmailbox_visitor | Consumes messages from the mailbox |
| Cscoped_actor | A scoped handle to a blocking actor |
| Cscoped_execution_unit | Identifies an execution unit, e.g., a worker thread of the scheduler |
| Cselect_callback | Utility class for selecting a callback_impl |
| Cselect_config_value_access | Delegates to config_value_access for all specialized versions |
| Cselect_config_value_access< T, select_config_value_hint::is_integral > | Catches all non-specialized integer types |
| Cselect_config_value_access< T, select_config_value_hint::is_list > | Catches all non-specialized list types |
| Cselect_config_value_access< T, select_config_value_hint::is_map > | Catches all non-specialized map types |
| Cserializer | Technology-independent serialization interface |
| Cserializer_impl | Implements the serializer interface with a binary serialization protocol |
| Cskip_t | Default handler function that leaves messages in the mailbox |
| Cspan | A C++11/14 drop-in replacement for C++20's std::span without support for static extents |
| Cspawn_options | Stores options passed to the spawn function family |
| Cstateful_actor | An event-based actor with managed state |
| Cstatically_typed_actor_base | Marker type for statically typed actors |
| Cstream | Empty marker type for streaming handshakes |
| Cstream_buffer | The base class for all stream buffer implementations |
| Cstream_deserializer | Implements the deserializer interface with a binary serialization protocol |
| Cstream_finalize_trait | Dispatches a finalize call to a function taking either one or two arguments |
| Cstream_finalize_trait< Fun, State, false > | Specializes the trait for callbacks that only take the state |
| Cstream_finalize_trait< Fun, State, true > | Specializes the trait for callbacks that take state and error |
| Cstream_manager | Manages a single stream with any number of in- and outbound paths |
| Cstream_serializer | Implements the serializer interface with a binary serialization protocol |
| Cstream_sink_driver | Identifies an unbound sequence of messages |
| Cstream_sink_trait | Defines required type aliases for stream sinks |
| Cstream_sink_trait< void(State &, const std::vector< In > &)> | Specializes the trait for batch-wise processing with const references |
| Cstream_sink_trait< void(State &, In)> | Specializes the trait for element-wise processing |
| Cstream_sink_trait< void(State &, std::vector< In > &)> | Specializes the trait for batch-wise processing |
| Cstream_sink_trait_base | Base type for all sink traits |
| Cstream_slots | Maps two stream_slot values into a pair for storing sender and receiver slot information |
| Cstream_source_driver | Identifies an unbound sequence of messages |
| Cstream_source_trait | Deduces the output type and the state type for a stream source from its pull implementation |
| Cstream_stage_driver | Encapsulates user-provided functionality for generating a stream stage |
| Cstream_stage_trait< void(State &, downstream< Out > &, In)> | Deduces the input type, output type and the state type for a stream stage from its process implementation |
| Cstring_view | Drop-in replacement for C++17 std::string_view |
| Csum_type_access | Specializing this trait allows users to enable holds_alternative, get, get_if, and visit for any user-defined sum type |
| Csum_type_access< variant< Ts... > > | Enable holds_alternative, get, get_if, and visit for variant |
| Cthread_hook | Interface to define thread hooks |
| Ctimeout_msg | Signalizes a timeout event |
| Ctype_by_id | Maps the globally unique ID V to a type (inverse to ::type_id) |
| Ctype_erased_tuple | Represents a tuple of type-erased values |
| Ctype_erased_value | Represents a single type-erased value |
| Ctype_erased_value_factory | Converts values to type-erased values |
| Ctype_id | Maps the type T to a globally unique ID |
| Ctype_name | Convenience type that resolves to type_name_by_id<type_id_v<T>> |
| Ctype_name< void > | Convenience specialization that enables generic code to not treat void manually |
| Ctype_name_by_id | Maps the globally unique ID V to a type name |
| Ctype_nr | Computes the type number for T |
| Ctyped_actor | Identifies a statically typed actor |
| Ctyped_actor_view_base | Tag type for typed_actor_view |
| Ctyped_event_based_actor | A cooperatively scheduled, event-based actor implementation with static type-checking |
| Ctyped_response_promise | A response promise can be used to deliver a uniquely identifiable response message from the server (i.e |
| Cunbox_message_element | Unboxes atom constants, i.e., converts atom_constant<V> to V |
| Cunit_t | Unit is analogous to void, but can be safely returned, stored, etc |
| ►Cupstream_msg | Stream messages that flow upstream, i.e., acks and drop messages |
| Cack_batch | Cumulatively acknowledges received batches and signalizes new demand from a sink to its source |
| Cack_open | Acknowledges a previous open message and finalizes a stream handshake |
| Cdrop | Asks the source to discard any remaining credit and close this path after receiving an ACK for the last batch |
| Cforced_drop | Propagates a fatal error from sinks to sources |
| ►Curi | A URI according to RFC 3986 |
| Cauthority_type | Bundles the authority component of the URI, i.e., userinfo, host, and port |
| Cvariant | A variant represents always a valid value of one of the types Ts... |
| Cweak_intrusive_ptr | An intrusive, reference counting smart pointer implementation |
| Nstd | STL namespace |
