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RESTCONF notification for native mode

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This commit is contained in:
Olof hagsand 2024-05-19 17:44:00 +02:00
parent 7a842846db
commit 1336a4ccfb
14 changed files with 282 additions and 533 deletions
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122
apps/restconf/restconf_stream.c
View file

@ -179,6 +179,8 @@ restconf_subscription(clixon_handle h,
goto ok;
}
/* Setting up stream */
if (restconf_reply_header(req, "Server", "clixon") < 0)
goto done;
if (restconf_reply_header(req, "Server", "clixon") < 0)
goto done;
if (restconf_reply_header(req, "Content-Type", "text/event-stream") < 0)
@ -187,10 +189,9 @@ restconf_subscription(clixon_handle h,
goto done;
if (restconf_reply_header(req, "Connection", "keep-alive") < 0)
goto done;
#ifndef RESTCONF_NATIVE_STREAM
/* Must be there for FCGI caching */
if (restconf_reply_header(req, "X-Accel-Buffering", "no") < 0)
goto done;
#endif
if (restconf_reply_send(req, 201, NULL, 0) < 0)
goto done;
*sp = s;
@ -204,3 +205,120 @@ restconf_subscription(clixon_handle h,
cbuf_free(cb);
return retval;
}
/*! Process a stream request
*
* @param[in] h Clixon handle
* @param[in] req Generic Www handle (can be part of clixon handle)
* @param[in] qvec Query parameters, ie the ?<id>=<val>&<id>=<val> stuff
* @param[in] timeout Stream timeout
* @param[out] finish Set to zero, if request should not be finnished by upper layer
* @retval 0 OK
* @retval -1 Error
*/
int
api_stream(clixon_handle h,
void *req,
cvec *qvec,
int timeout,
int *finish)
{
int retval = -1;
char *path = NULL;
char **pvec = NULL;
int pn;
cvec *pcvec = NULL; /* for rest api */
cxobj *xerr = NULL;
char *streampath;
int pretty;
int besock = -1;
restconf_media media_reply = YANG_DATA_XML;
char *media_str = NULL;
char *stream_name;
int ret;
clixon_debug(CLIXON_DBG_STREAM, "");
if (req == NULL){
clixon_err(OE_RESTCONF, EINVAL, "req is NULL");
goto done;
}
streampath = clicon_option_str(h, "CLICON_STREAM_PATH");
if ((path = restconf_uripath(h)) == NULL)
goto done;
pretty = restconf_pretty_get(h);
if ((pvec = clicon_strsep(path, "/", &pn)) == NULL)
goto done;
/* Sanity check of path. Should be /stream/<name> */
if (pn != 3){
if (netconf_invalid_value_xml(&xerr, "protocol", "Invalid path, /stream/<name> expected") < 0)
goto done;
if (api_return_err0(h, req, xerr, pretty, media_reply, 0) < 0)
goto done;
goto ok;
}
/* Get media for output (proactive negotiation) RFC7231 by using
*/
media_str = restconf_param_get(h, "HTTP_ACCEPT");
if (media_str == NULL){
if (restconf_not_acceptable(h, req, pretty, media_reply) < 0)
goto done;
goto ok;
}
/* Accept only text_event-stream or */
if (strcmp(media_str, "*/*") != 0 &&
strcmp(media_str, "text/event-stream") != 0){
if (restconf_not_acceptable(h, req, pretty, media_reply) < 0)
goto done;
goto ok;
}
if (strlen(pvec[0]) != 0){
if (netconf_invalid_value_xml(&xerr, "protocol", "Invalid path, /stream/<name> expected") < 0)
goto done;
if (api_return_err0(h, req, xerr, pretty, media_reply, 0) < 0)
goto done;
goto ok;
}
if (strcmp(pvec[1], streampath)){
if (netconf_invalid_value_xml(&xerr, "protocol", "Invalid path, /stream/<name> expected") < 0)
goto done;
if (api_return_err0(h, req, xerr, pretty, media_reply, 0) < 0)
goto done;
goto ok;
}
if ((stream_name = pvec[2]) == NULL){
if (netconf_invalid_value_xml(&xerr, "protocol", "Invalid path, /stream/<name> expected") < 0)
goto done;
if (api_return_err0(h, req, xerr, pretty, media_reply, 0) < 0)
goto done;
goto ok;
}
clixon_debug(CLIXON_DBG_STREAM, "stream-name: %s", stream_name);
if (uri_str2cvec(path, '/', '=', 1, &pcvec) < 0) /* rest url eg /album=ricky/foo */
goto done;
/* If present, check credentials. See "plugin_credentials" in plugin
* See RFC 8040 section 2.5
*/
if ((ret = restconf_authentication_cb(h, req, pretty, media_reply)) < 0)
goto done;
if (ret == 0)
goto ok;
if (restconf_subscription(h, req, stream_name, qvec, pretty, media_reply, &besock) < 0)
goto done;
if (besock != -1){
if (stream_sockets_setup(h, req, timeout, besock, finish) < 0)
goto done;
}
ok:
retval = 0;
done:
clixon_debug(CLIXON_DBG_STREAM, "retval:%d", retval);
if (xerr)
xml_free(xerr);
if (pvec)
free(pvec);
if (pcvec)
cvec_free(pcvec);
if (path)
free(path);
return retval;
}