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Added new backend plugin callback: plugin_statedata() for getting state data; Added generic xml_merge() function.

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This commit is contained in:
Olof hagsand 2017-07-05 12:30:42 +02:00
parent f5d2473618
commit 4e986d6660
24 changed files with 600 additions and 88 deletions
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64
lib/src/clixon_proto_client.c
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@ -476,6 +476,70 @@ clicon_rpc_unlock(clicon_handle h,
return retval;
}
/*! Get database configuration and state data
* Same as clicon_proto_change just with a cvec instead of lvec
* @param[in] h CLICON handle
* @param[in] xpath XPath (or "")
* @param[out] xt XML tree. Free with xml_free.
* Either <config> or <rpc-error>.
* @retval 0 OK
* @retval -1 Error, fatal or xml
* @code
* cxobj *xt = NULL;
* if (clicon_rpc_get(h, "/", &xt) < 0)
* err;
* if ((xerr = xpath_first(xt, "/rpc-error")) != NULL){
* clicon_rpc_generate_error(xerr);
* err;
* }
* if (xt)
* xml_free(xt);
* @endcode
* @see clicon_rpc_generate_error
*/
int
clicon_rpc_get(clicon_handle h,
char *xpath,
cxobj **xt)
{
int retval = -1;
struct clicon_msg *msg = NULL;
cbuf *cb = NULL;
cxobj *xret = NULL;
cxobj *xd;
if ((cb = cbuf_new()) == NULL)
goto done;
cprintf(cb, "<rpc><get>");
if (xpath && strlen(xpath))
cprintf(cb, "<filter type=\"xpath\" select=\"%s\"/>", xpath);
cprintf(cb, "</get></rpc>");
if ((msg = clicon_msg_encode("%s", cbuf_get(cb))) == NULL)
goto done;
if (clicon_rpc_msg(h, msg, &xret, NULL) < 0)
goto done;
/* Send xml error back: first check error, then ok */
if ((xd = xpath_first(xret, "/rpc-reply/rpc-error")) != NULL)
xd = xml_parent(xd); /* point to rpc-reply */
else if ((xd = xpath_first(xret, "/rpc-reply/data/config")) == NULL)
if ((xd = xml_new("config", NULL)) == NULL)
goto done;
if (xt){
if (xml_rm(xd) < 0)
goto done;
*xt = xd;
}
retval = 0;
done:
if (cb)
cbuf_free(cb);
if (xret)
xml_free(xret);
if (msg)
free(msg);
return retval;
}
/*! Close a (user) session
* @param[in] h CLICON handle
*/