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stream replay and subscription update

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This commit is contained in:
Olof hagsand 2018-10-28 21:07:13 +01:00
parent fb0d0606e3
commit f23a21d5db
9 changed files with 103 additions and 66 deletions
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1
lib/clixon/clixon_handle.h
View file

@ -77,6 +77,7 @@ clicon_hash_t *clicon_data(clicon_handle h);
/* Return internal stream hash-array given a handle.*/
struct event_stream *clicon_stream(clicon_handle h);
struct event_stream;
int clicon_stream_set(clicon_handle h, struct event_stream *es);
int clicon_stream_append(clicon_handle h, struct event_stream *es);
#endif /* _CLIXON_HANDLE_H_ */

4
lib/clixon/clixon_stream.h
View file

@ -67,7 +67,7 @@ struct stream_replay{
/* See RFC8040 9.3, stream list, no replay support for now
*/
struct event_stream{
struct event_stream *es_next;
qelem_t es_q; /* queue header */
char *es_name; /* name of notification event stream */
char *es_description;
struct stream_subscription *es_subscription;
@ -81,7 +81,7 @@ typedef struct event_stream event_stream_t;
*/
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_delete_all(clicon_handle h);
int stream_get_xml(clicon_handle h, int access, cbuf *cb);
int stream_timer_setup(int fd, void *arg);
/* Subscriptions */

18
lib/src/clixon_handle.c
View file

@ -135,7 +135,7 @@ clicon_handle_exit(clicon_handle h)
hash_free(ha);
if ((ha = clicon_data(h)) != NULL)
hash_free(ha);
stream_delete_all(clicon_stream(h));
stream_delete_all(h);
free(ch);
return 0;
}
@ -187,14 +187,22 @@ clicon_stream(clicon_handle h)
return ch->ch_stream;
}
int
clicon_stream_set(clicon_handle h,
event_stream_t *es)
{
struct clicon_handle *ch = handle(h);
ch->ch_stream = es;
return 0;
}
int
clicon_stream_append(clicon_handle h,
event_stream_t *es)
{
struct clicon_handle *ch = handle(h);
event_stream_t **ep;
for (ep = &ch->ch_stream; (*ep); ep=&(*ep)->es_next);
*ep = es;
ADDQ(es, ch->ch_stream);
return 0;
}

101
lib/src/clixon_stream.c
View file

@ -90,12 +90,17 @@ event_stream_t *
stream_find(clicon_handle h,
const char *name)
{
event_stream_t *es0;
event_stream_t *es = NULL;
for (es=clicon_stream(h); es; es=es->es_next)
if (strcmp(name, es->es_name)==0)
break;
return es;
es0 = clicon_stream(h);
if ((es = es0) != NULL)
do {
if (strcmp(name, es->es_name)==0)
return es;
es = NEXTQ(struct event_stream *, es);
} while (es && es != es0);
return NULL;
}
/*! Add notification event stream
@ -137,14 +142,16 @@ stream_register(clicon_handle h,
* @param[in] es
*/
int
stream_delete_all(event_stream_t *es)
stream_delete_all(clicon_handle h)
{
event_stream_t *e_next;
struct stream_replay *r;
struct stream_subscription *ss;
event_stream_t *es;
event_stream_t *head = clicon_stream(h);
while (es){
e_next = es->es_next;
while ((es = clicon_stream(h)) != NULL){
DELQ(es, head, event_stream_t *);
clicon_stream_set(h, head);
if (es->es_name)
free(es->es_name);
if (es->es_description)
@ -158,7 +165,6 @@ stream_delete_all(event_stream_t *es)
free(r);
}
free(es);
es = e_next;
}
return 0;
}
@ -180,22 +186,25 @@ stream_get_xml(clicon_handle h,
char *stream_path;
cprintf(cb, "<streams>");
for (es=clicon_stream(h); es; es=es->es_next){
cprintf(cb, "<stream>");
cprintf(cb, "<name>%s</name>", es->es_name);
if (es->es_description)
cprintf(cb, "<description>%s</description>", es->es_description);
cprintf(cb, "<replay-support>false</replay-support>");
if (access){
cprintf(cb, "<access>");
cprintf(cb, "<encoding>xml</encoding>");
url_prefix = clicon_option_str(h, "CLICON_STREAM_URL");
stream_path = clicon_option_str(h, "CLICON_STREAM_PATH");
cprintf(cb, "<location>%s/%s/%s</location>",
url_prefix, stream_path, es->es_name);
cprintf(cb, "</access>");
}
cprintf(cb, "</stream>");
if ((es = clicon_stream(h)) != NULL){
do {
cprintf(cb, "<stream>");
cprintf(cb, "<name>%s</name>", es->es_name);
if (es->es_description)
cprintf(cb, "<description>%s</description>", es->es_description);
cprintf(cb, "<replay-support>false</replay-support>");
if (access){
cprintf(cb, "<access>");
cprintf(cb, "<encoding>xml</encoding>");
url_prefix = clicon_option_str(h, "CLICON_STREAM_URL");
stream_path = clicon_option_str(h, "CLICON_STREAM_PATH");
cprintf(cb, "<location>%s/%s/%s</location>",
url_prefix, stream_path, es->es_name);
cprintf(cb, "</access>");
}
cprintf(cb, "</stream>");
es = NEXTQ(struct event_stream *, es);
} while (es && es != clicon_stream(h));
}
cprintf(cb, "</streams>");
return 0;
@ -224,18 +233,24 @@ stream_timer_setup(int fd,
*/
gettimeofday(&now, NULL);
/* for all event streams, remove subscription if past stop time */
for (es=clicon_stream(h); es; es=es->es_next){
if ((ss = es->es_subscription) != NULL)
do {
if (timerisset(&ss->ss_stoptime) && timercmp(&ss->ss_stoptime, &now, <)){
ss1 = NEXTQ(struct stream_subscription *, ss);
if (stream_ss_rm(es, ss) < 0)
goto done;
ss = ss1;
}
else
ss = NEXTQ(struct stream_subscription *, ss);
} while (ss && ss != es->es_subscription);
if ((es = clicon_stream(h)) != NULL){
do {
if ((ss = es->es_subscription) != NULL)
do {
if (timerisset(&ss->ss_stoptime) && timercmp(&ss->ss_stoptime, &now, <)){
ss1 = NEXTQ(struct stream_subscription *, ss);
if (stream_ss_rm(es, ss) < 0)
goto done;
ss = ss1;
}
else
ss = NEXTQ(struct stream_subscription *, ss);
} while (ss && ss != es->es_subscription);
es = NEXTQ(struct event_stream *, es);
} while (es && es != clicon_stream(h));
}
/* Initiate new timer */
timeradd(&now, &t1, &t);
@ -374,10 +389,14 @@ stream_ss_delete_all(clicon_handle h,
event_stream_t *es;
struct stream_subscription *ss;
for (es=clicon_stream(h); es; es=es->es_next)
if ((ss = stream_ss_find(es, fn, arg)) != NULL)
if (stream_ss_rm(es, ss) < 0)
goto done;
if ((es = clicon_stream(h)) != NULL){
do {
if ((ss = stream_ss_find(es, fn, arg)) != NULL)
if (stream_ss_rm(es, ss) < 0)
goto done;
es = NEXTQ(struct event_stream *, es);
} while (es && es != clicon_stream(h));
}
retval = 0;
done:
return retval;