Data Structures

Here are the data structures with brief descriptions:

C_semaphore_internal
Cadd_request_handler_params_s	Structure supplied when issuing a add_request_handler() call
Cadd_topic_callback_s	Add_topic_from_specification callback
Carg_opts_s	This structure represents a possible argument to an application
Cchange_principal_params_s	Structure supplied when issuing a change_principal() request
CCONNECTION_RESPONSE_T
Ccontent_s	Content wrapper for encoding and data
Cconversation_id_s	Structure representing a conversation ID
Ccredentials_s	This structure is used for passing credentials around in the API
Cdiffusion_apply_json_patch_params_s	Structure describing a JSON patch application request
Cdiffusion_authentication_handler_params_s	Structure supplied when issuing an diffusion_set_authentication_handler request
Cdiffusion_authentication_handler_s	Structure supplied as part of a diffusion_set_authentication_handler request
Cdiffusion_change_roles_params_with_filter_s	Structure supplied when issuing a diffusion_change_roles_with_filter call
Cdiffusion_change_roles_with_session_id_params_s	Structure supplied when issuing a diffusion_change_roles_with_session_id call
Cdiffusion_check_remote_server_params_s
Cdiffusion_client_close_with_filter_params_s	Structure supplied when issuing a diffusion_client_close_with_filter call
Cdiffusion_client_close_with_session_params_s	Structure supplied when issuing a diffusion_client_close_with_session call
Cdiffusion_client_set_conflated_with_filter_params_s	Structure supplied when issuing a diffusion_client_set_conflated_with_filter call
Cdiffusion_create_remote_server_params_s
Cdiffusion_create_topic_view_params_s	Structure describing a request to create a topic view
Cdiffusion_error_s	A structure which is filled by the API when an error occurs
Cdiffusion_fetch_request_params_s	Structure describing a fetch request
Cdiffusion_get_global_permissions_params_s	Structure supplied when issuing a diffusion_get_global_permissions request
Cdiffusion_get_path_permissions_params_s	Structure supplied when issuing a diffusion_get_path_permissions request
Cdiffusion_get_topic_selections_s	Structure supplied when issuing a diffusion_get_topic_selections call
Cdiffusion_get_topic_view_params_s	Structure describing a request to get a topic view
Cdiffusion_list_remote_servers_params_s
Cdiffusion_metrics_list_session_metric_collectors_params_s	Structure supplied when issuing a diffusion_metrics_list_session_metric_collectors call
Cdiffusion_metrics_list_topic_metric_collectors_params_s	Structure supplied when issuing a diffusion_metrics_list_topic_metric_collectors call
Cdiffusion_metrics_put_session_metric_collector_params_s	Structure supplied when issuing a diffusion_metrics_put_session_metric_collector call
Cdiffusion_metrics_put_topic_metric_collector_params_s	Structure supplied when issuing a diffusion_metrics_put_topic_metric_collector call
Cdiffusion_metrics_remove_session_metric_collector_params_s	Structure supplied when issuing a diffusion_metrics_remove_session_metric_collector call
Cdiffusion_metrics_remove_topic_metric_collector_params_s	Structure supplied when issuing a diffusion_metrics_remove_topic_metric_collector call
Cdiffusion_recoverable_update_stream_callback_response_s	Structure representing the response for all DIFFUSION_RECOVERABLE_UPDATE_STREAM_T operations
Cdiffusion_recoverable_update_stream_params_s	Structure provided when calling diffusion_recoverable_update_stream_set or diffusion_recoverable_update_stream_validate
Cdiffusion_remove_remote_server_params_s
Cdiffusion_remove_topic_view_params_s	Structure describing a request to remove a topic view
Cdiffusion_request_handler_s	Request handler structure required when creating an ADD_REQUEST_HANDLER_PARAMS_T
Cdiffusion_request_stream_s	Structure supplied when adding a request stream
Cdiffusion_revoke_authentication_params_s	Structure supplied when issuing a diffusion_revoke_authentication request
Cdiffusion_session_get_session_properties_params_s
Cdiffusion_session_lock_params_s	Structure describing a session lock request
Cdiffusion_session_lock_unlock_params_s	Structure describing a session lock unlock request
Cdiffusion_session_trees_get_branch_mapping_table_params_s	Structure supplied when issuing a diffusion_session_trees_get_branch_mapping_table call
Cdiffusion_session_trees_get_session_tree_branches_params_s	Structure supplied when issuing a diffusion_session_trees_get_session_tree_branches call
Cdiffusion_session_trees_put_branch_mapping_table_params_s	Structure supplied when issuing a diffusion_session_trees_put_branch_mapping_table call
Cdiffusion_set_session_properties_filter_params_s	Structure supplied when issuing a diffusion_set_session_properties_filter call
Cdiffusion_set_session_properties_params_s	Structure supplied when issuing a diffusion_set_session_properties call
Cdiffusion_subscribe_by_filter_s	Structure supplied when issuing a diffusion_subscribe_by_filter call
Cdiffusion_time_series_append_params_s	Structure supplied when issuing a diffusion_time_series_append request
Cdiffusion_time_series_edit_params_s	Structure supplied when issuing a diffusion_time_series_edit request
Cdiffusion_time_series_range_query_params_s	Structure supplied when issuing a diffusion_time_series_select_from request
Cdiffusion_time_series_timestamp_append_params_s	Structure supplied when issuing a diffusion_time_series_timestamp_append request
Cdiffusion_topic_notification_listener_s	Structure for adding a topic notification listener
Cdiffusion_topic_notification_registration_params_s	Structure supplied when issuing a diffusion_topic_notification_registration_select or diffusion_topic_notification_registration_deselect request
Cdiffusion_topic_selection_s	Structure of the topic selection
Cdiffusion_topic_update_add_and_set_params_s	Structure describing a topic add and set request
Cdiffusion_topic_update_params_s	Structure describing a topic set request
Cdiffusion_topic_update_stream_params_s	Structure provided when calling diffusion_topic_update_stream_set
Cdiffusion_topic_views_list_params_s	Structure describing a request to list topic views
Cdiffusion_unsubscribe_by_filter_s	Structure supplied when issuing a diffusion_unsubscribe_by_filter call
Cerror_report_s	Structure describing an error report which may arise when calling various API functions
Cget_security_store_params_s	Structure passed when requesting the security store
Cget_session_properties_params_s
Cget_system_authentication_store_params_s	Structure passed when requesting the system authentication store
Chandler_set_s	A handler set is registered against a conversation id and contains function pointers to callback handlers related to that conversation
Chash_entry_s	This structure represents an entry within a hash table
Chash_num_entry_s	This structure represents an entry within a hash table
Chash_num_s	This represents a hash table
Chash_s	This represents a hash table
Clocation_details_s	This structure describes the network and physical location of a client/session
Cmessage_s	Generic message; all messages should fit into this structure
Cmissing_topic_handlers_s
Cmissing_topic_params_s	Structure supplied when registering to receive missing topic notifications
Cmsg_receiver_registration_params_s	Structure supplied when issuing a register_msg_handler() call
Cnotify_subscription_handlers_s
Cnotify_subscription_params_s	Structure supplied when registering to receive topic subscription notifications
Cnotify_unsubscription_handlers_s
Cnotify_unsubscription_params_s	Structure supplied when registering to receive topic unsubscription notifications
Cping_system_handlers_s
Cping_system_params_s	Structure supplied when registering a system ping handler or sending a system ping request
Cping_user_handlers_s
Cping_user_params_s	Structure supplied when registering a user ping handler or sending a user ping request
Creauthenticate_params_s	Structure supplied when issuing a change_principal() request
Creconnection_args_repeating
Creconnection_strategy_s	When connecting to Diffusion, a reconnection strategy can be employed which describes what to do if the connection fails
Csecurity_store_role_s
Csecurity_store_s
Csemaphore_s
Csend_options_s	Options sub-structure related to requests
Csend_request_params_s	Structure supplied to a send_request() call
Csend_request_to_filter_params_s	Structure supplied when issuing a send_request_to_filter() call
Csend_request_to_session_params_s	Structure supplied when issuing a send_request_to_session() call
Csession_create_callback_s	When creating a session which performs a connection to Diffusion asynchronously, these callbacks can be supplied and are invoked when the connection is made successfully, or an error occurs
Csession_details_s
Csession_details_summary_s
Csession_id_s	Structure describing a session ID, which is a unique identifier used by Diffusion for tracking this client; it is also used on reconnection to attempt to restore existing session state
Csession_listener_s	When a session changes state, a listener may be called to inform the client of the transition via the appropriate function pointer in this structure
Csession_properties_event_s
Csession_properties_registration_handlers_s
Csession_properties_registration_params_s
Csession_s	This is the session structure which is created to represent a single instance of connection (session) with Diffusion
Cset_entry_s	This structure represents an entry in the set
Cset_s	This represents a set
Cstream_message_options_s	Additional options associated with a STREAM_MESSAGE_T
Cstream_message_s	Messages directed to this session are received through a globally registered handler, and are parsed into this structure
Csubscription_control_params_s
Csubscription_handlers_s
Csubscription_params_s	Structure supplied when subscribing to a topic
Csvc_defn_s	Every service that a client can provide has to implement this core set of functions
Csvc_get_session_properties_response_s
Csvc_missing_topic_request_s	Structure of a request to register for missing topic notifications
Csvc_msg_common_s	Base type for service messages
Csvc_notify_subscription_request_s	Structure describing an incoming notification that the client has been subscribed to a topic
Csvc_notify_unsubscription_request_s	Structure describing an incoming unsubscription notification
Csvc_ping_system_request_s	Structure of a system ping request
Csvc_ping_user_request_s	Structure of a user ping request
Csvc_send_receiver_client_request_s	Structure containing the information received and passed to a handler registered on a message path, including the message content
Csystem_authentication_store_s
Csystem_principal_s	Structure describing a principal in the authentication store
Ctopic_message_s	Structure for slightly simplified access to topic messages
Ctopic_removal_handlers_s
Ctopic_removal_params_s	Structure passed to topic_removal()
Ctransport_s
Cunsubscription_handlers_s
Cunsubscription_params_s	Structure supplied when unsubscribing from a topic
Cupdate_s	This represents an update to apply to a topic
Cupdate_security_store_params_s	Structure passed when updating the security store
Cupdate_system_authentication_store_params_s	Structure passed when updating the system authentication store
Cv5_message_s	Service messages over the V5 protocol are parsed into this common structure, with the unparsed service-specific content in the payload field
Cvalue_stream_s