c94e9dad67
* Added capabilities and schema state, and get-schema rpc
* New `clixon-config@2022-11-01.yang` revision
* Added option:
* `CLICON_NETCONF_MONITORING`
* `CLICON_NETCONF_MONITORING_LOCATION`
118 lines
4.7 KiB
C
118 lines
4.7 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
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Copyright (C) 2017-2019 Olof Hagsand
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Copyright (C) 2020-2022 Olof Hagsand and Rubicon Communications, LLC (Netgate)
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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* Event notification streams according to RFC5277
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*/
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#ifndef _CLIXON_STREAM_H_
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#define _CLIXON_STREAM_H_
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/*
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* Constants
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*/
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/*
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* Types
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*/
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/* Subscription callback
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* @param[in] h Clicon handle
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* @param[in] op Operation: 0 OK, 1 Close
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* @param[in] event Event as XML
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* @param[in] arg Extra argument provided in stream_ss_add
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* @see stream_ss_add
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*/
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typedef int (*stream_fn_t)(clicon_handle h, int op, cxobj *event, void *arg);
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struct stream_subscription{
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qelem_t ss_q; /* queue header */
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char *ss_stream; /* Name of associated stream */
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char *ss_xpath; /* Filter selector as xpath */
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struct timeval ss_starttime; /* Replay starttime */
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struct timeval ss_stoptime; /* Replay stoptime */
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stream_fn_t ss_fn; /* Callback when event occurs */
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void *ss_arg; /* Callback argument */
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};
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/* Replay time-series */
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struct stream_replay{
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qelem_t r_q; /* queue header */
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struct timeval r_tv; /* time index */
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cxobj *r_xml; /* event in xml form */
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};
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/* See RFC8040 9.3, stream list, no replay support for now
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*/
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struct event_stream{
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qelem_t es_q; /* queue header */
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char *es_name; /* name of notification event stream */
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char *es_description;
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struct stream_subscription *es_subscription;
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int es_replay_enabled; /* set if replay is enables */
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struct timeval es_retention; /* replay retention - how much to save */
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struct stream_replay *es_replay;
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};
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typedef struct event_stream event_stream_t;
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/*
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* Prototypes
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*/
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event_stream_t *stream_find(clicon_handle h, const char *name);
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int stream_add(clicon_handle h, const char *name, const char *description, int replay_enabled, struct timeval *retention);
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int stream_delete_all(clicon_handle h, int force);
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int stream_get_xml(clicon_handle h, int access, cbuf *cb);
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int stream_timer_setup(int fd, void *arg);
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/* Subscriptions */
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struct stream_subscription *stream_ss_add(clicon_handle h, char *stream,
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char *xpath, struct timeval *start, struct timeval *stop,
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stream_fn_t fn, void *arg);
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int stream_ss_rm(clicon_handle h, event_stream_t *es, struct stream_subscription *ss, int force);
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struct stream_subscription *stream_ss_find(event_stream_t *es,
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stream_fn_t fn, void *arg);
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int stream_ss_delete_all(clicon_handle h, stream_fn_t fn, void *arg);
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int stream_ss_delete(clicon_handle h, char *name, stream_fn_t fn, void *arg);
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int stream_notify_xml(clicon_handle h, char *stream, cxobj *xml);
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int stream_notify(clicon_handle h, char *stream, const char *event, ...) __attribute__ ((format (printf, 3, 4)));
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/* Replay */
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int stream_replay_add(event_stream_t *es, struct timeval *tv, cxobj *xv);
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int stream_replay_trigger(clicon_handle h, char *stream, stream_fn_t fn, void *arg);
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/* Experimental publish streams using SSE. CLIXON_PUBLISH_STREAMS should be set */
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int stream_publish(clicon_handle h, char *stream);
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int stream_publish_init();
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int stream_publish_exit();
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#endif /* _CLIXON_STREAM_H_ */
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