#ifndef cmsg_subscription_h
#define cmsg_subscription_h

typedef struct subscription_t_ {
  sexp_t *uuid;
  sexp_t *sink;
  sexp_t *name;
  struct subscription_t_ *link;
} subscription_t;

extern void free_subscription(subscription_t *sub);
extern void free_subscription_chain(subscription_t *chain);

extern int send_to_subscription(hashtable_t *subscriptions,
				subscription_t *sub,
				sexp_t *body);
extern subscription_t *send_to_subscription_chain(hashtable_t *subscriptions,
						  subscription_t *chain,
						  sexp_t *body);

extern subscription_t *handle_subscribe_message(hashtable_t *subscriptions, sexp_t *args);
extern void handle_unsubscribe_message(hashtable_t *subscriptions, sexp_t *args);

#endif