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stream replay and subscription update

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This commit is contained in:
Olof hagsand 2018-10-28 17:17:36 +01:00
parent 25c761202e
commit fb0d0606e3
5 changed files with 285 additions and 138 deletions
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26
lib/clixon/clixon_stream.h
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@ -42,15 +42,16 @@
/* Subscription callback
* @param[in] h Clicon handle
* @param[in] event Event as XML
* @param[in] arg Extra argument provided in stream_cb_add
* @see stream_cb_add
* @param[in] arg Extra argument provided in stream_ss_add
* @see stream_ss_add
*/
typedef int (*stream_fn_t)(clicon_handle h, cxobj *event, void *arg);
struct stream_subscription{
struct stream_subscription *ss_next;
qelem_t ss_q; /* queue header */
char *ss_stream; /* Name of associated stream */
char *ss_xpath; /* Filter selector as xpath */
struct timeval ss_starttime; /* Replay starttime */
struct timeval ss_stoptime; /* Replay stoptime */
stream_fn_t ss_fn; /* Callback when event occurs */
void *ss_arg; /* Callback argument */
@ -82,19 +83,26 @@ event_stream_t *stream_find(clicon_handle h, const char *name);
int stream_register(clicon_handle h, const char *name, const char *description, int replay_enabled);
int stream_delete_all(event_stream_t *es);
int stream_get_xml(clicon_handle h, int access, cbuf *cb);
struct stream_subscription *stream_cb_add(clicon_handle h, char *stream,
char *xpath, struct timeval *stop, stream_fn_t fn, void *arg);
int stream_cb_delete(clicon_handle h, char *stream, stream_fn_t fn, void *arg);
int stream_notify_xml(clicon_handle h, event_stream_t *es, cxobj *xevent);
int stream_timer_setup(int fd, void *arg);
/* Subscriptions */
struct stream_subscription *stream_ss_add(clicon_handle h, char *stream,
char *xpath, struct timeval *start, struct timeval *stop,
stream_fn_t fn, void *arg);
int stream_ss_rm(event_stream_t *es, struct stream_subscription *ss);
struct stream_subscription *stream_ss_find(event_stream_t *es,
stream_fn_t fn, void *arg);
int stream_ss_delete_all(clicon_handle h, stream_fn_t fn, void *arg);
int stream_notify_xml(clicon_handle h, event_stream_t *es, struct timeval *tv, cxobj *xevent);
#if defined(__GNUC__) && __GNUC__ >= 3
int stream_notify(clicon_handle h, char *stream, const char *event, ...) __attribute__ ((format (printf, 3, 4)));
#else
int stream_notify(clicon_handle h, char *stream, const char *event, ...);
#endif
int stream_replay(clicon_handle h, char *stream, struct timeval *start, struct timeval *stop);
/* Replay */
int stream_replay_add(event_stream_t *es, struct timeval *tv, cxobj *xv);
int stream_replay_trigger(clicon_handle h, char *stream, stream_fn_t fn, void *arg);
/* Experimental publish streams using SSE. CLIXON_PUBLISH_STREAMS should be set */
int stream_publish(clicon_handle h, char *stream);