unleashed-firmware/core/furi/pubsub.h
Anna Prosvetova e9e76e144c
RPC: Implement storage_stat_request (#800)
* RPC: Update protobuf sources
* RPC: Implement storage_stat_request
* RPC: Test storage_stat_request
* FuriRecord: fix use after free in destroy method.
* Furi: refactor PubSub and it's usage. Fix allocation in RPC.
* FuriCore: fix memory leak in pubsub
* FuriCore: update unsubscribe method signature in pubsub, make subscription structure lighter.
* FuriCore: remove dead code

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2021-11-01 23:35:54 +03:00

64 lines
1.6 KiB
C

#pragma once
#ifdef __cplusplus
extern "C" {
#endif
/** FuriPubSub Callback type */
typedef void (*FuriPubSubCallback)(const void* message, void* context);
/** FuriPubSub type */
typedef struct FuriPubSub FuriPubSub;
/** FuriPubSubSubscription type */
typedef struct FuriPubSubSubscription FuriPubSubSubscription;
/** Allocate FuriPubSub
*
* Reentrable, Not threadsafe, one owner
*
* @return pointer to FuriPubSub instance
*/
FuriPubSub* furi_pubsub_alloc();
/** Free FuriPubSub
*
* @param pubsub FuriPubSub instance
*/
void furi_pubsub_free(FuriPubSub* pubsub);
/** Subscribe to FuriPubSub
*
* Threadsafe, Reentrable
*
* @param pubsub pointer to FuriPubSub instance
* @param[in] callback The callback
* @param callback_context The callback context
*
* @return pointer to FuriPubSubSubscription instance
*/
FuriPubSubSubscription*
furi_pubsub_subscribe(FuriPubSub* pubsub, FuriPubSubCallback callback, void* callback_context);
/** Unsubscribe from FuriPubSub
*
* No use of `pubsub_subscription` allowed after call of this method
* Threadsafe, Reentrable.
*
* @param pubsub pointer to FuriPubSub instance
* @param pubsub_subscription pointer to FuriPubSubSubscription instance
*/
void furi_pubsub_unsubscribe(FuriPubSub* pubsub, FuriPubSubSubscription* pubsub_subscription);
/** Publish message to FuriPubSub
*
* Threadsafe, Reentrable.
*
* @param pubsub pointer to FuriPubSub instance
* @param message message pointer to publish
*/
void furi_pubsub_publish(FuriPubSub* pubsub, void* message);
#ifdef __cplusplus
}
#endif