/* Copyright (C) 2010, 2011 Tony Garnock-Jones. All rights reserved. */

#ifndef cmsg_subscription_h
#define cmsg_subscription_h

typedef struct subscription_t_ {
  sexp_t *uuid;
  sexp_t *filter;
  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(sexp_t *source,
				hashtable_t *subscriptions,
				subscription_t *sub,
				sexp_t *body);
extern subscription_t *send_to_subscription_chain(sexp_t *source,
						  hashtable_t *subscriptions,
						  subscription_t *chain,
						  sexp_t *body);

extern subscription_t *handle_subscribe_message(sexp_t *source,
						hashtable_t *subscriptions,
						parsed_message_t *p);

extern void handle_unsubscribe_message(sexp_t *source,
				       hashtable_t *subscriptions,
				       parsed_message_t *p);

#endif