Pagination callback modifications: ensure xml is bound to yang, removed

code not used (eg remaining) and avoiding an extra xpath_vec call.
Moved debug prints from plugin-callback-one to plugin-callback-all
Fixed memory error in data-cvec access function

apps/backend/backend_get.c

@@ -284,9 +284,10 @@ get_client_statedata(clicon_handle h,
  * @param[in]  h       Clicon handle 
  * @param[in]  yspec   Yang spec
  * @param[in]  xret    Result XML tree
+ * @param[in]  xvec    xpath lookup result on xret
+ * @param[in]  xlen    length of xvec
  * @param[in]  xpath   XPath point to object to get
  * @param[in]  nsc     Namespace context of xpath
- * @param[out] x1p     Pointer to first matching object if any
  * @retval     0       OK
  * @retval    -1       Error
  */
@@ -294,17 +295,14 @@ static int
 filter_xpath_again(clicon_handle h,
 		   yang_stmt    *yspec,
 		   cxobj        *xret,
+		   cxobj       **xvec,
+		   size_t        xlen,
 		   char         *xpath,
-		   cvec         *nsc,
+		   cvec         *nsc)
-		   cxobj       **x1p)
 {
     int     retval = -1;
-    cxobj **xvec = NULL;
-    size_t  xlen;
     int     i;
 
-    if (xpath_vec(xret, nsc, "%s", &xvec, &xlen, xpath?xpath:"/") < 0)
-	goto done;
     /* If vectors are specified then mark the nodes found and
      * then filter out everything else,
      * otherwise return complete tree.
@@ -326,12 +324,8 @@ filter_xpath_again(clicon_handle h,
     /* Add default recursive values */
     if (xml_default_recurse(xret, 0) < 0)
 	goto done;
-    if (xlen && x1p)
-	*x1p = xvec[0];
     retval = 0;
  done:
-    if (xvec)
-	free(xvec);
     return retval;
 }
 
@@ -339,6 +333,8 @@ filter_xpath_again(clicon_handle h,
  *
  * @param[in]  h        Clicon handle 
  * @param[in]  xret     Result XML tree
+ * @param[in]  xvec    xpath lookup result on xret
+ * @param[in]  xlen    length of xvec
  * @param[in]  xpath    XPath point to object to get
  * @param[in]  nsc      Namespace context of xpath
  * @param[in]  username User name for NACM access
@@ -350,6 +346,8 @@ filter_xpath_again(clicon_handle h,
 static int
 get_nacm_and_reply(clicon_handle h,
 		   cxobj        *xret,
+		   cxobj       **xvec,
+		   size_t        xlen,
 		   char         *xpath,
 		   cvec         *nsc,
 		   char         *username,
@@ -357,15 +355,11 @@ get_nacm_and_reply(clicon_handle h,
 		   cbuf         *cbret)
 {
     int     retval = -1;
-    cxobj **xvec = NULL;
-    size_t  xlen;
     cxobj  *xnacm = NULL;
 
     /* Pre-NACM access step */
     xnacm = clicon_nacm_cache(h);
     if (xnacm != NULL){ /* Do NACM validation */
-	if (xpath_vec(xret, nsc, "%s", &xvec, &xlen, xpath?xpath:"/") < 0)
-	    goto done;
 	/* NACM datanode/module read validation */
 	if (nacm_datanode_read(h, xret, xvec, xlen, username, xnacm) < 0) 
 	    goto done;
@@ -383,8 +377,6 @@ get_nacm_and_reply(clicon_handle h,
     cprintf(cbret, "</rpc-reply>");
     retval = 0;
  done:
-    if (xvec)
-	free(xvec);
     return retval;
 }
 
@@ -454,11 +446,7 @@ get_list_pagination(clicon_handle        h,
     int             retval = -1;
     uint32_t        offset = 0;
     uint32_t        limit = 0;
-    char           *direction = NULL;
-    char           *sort = NULL;
-    char           *where = NULL;
     cbuf           *cbpath = NULL;
-    cxobj          *x;
     int             list_config;
     yang_stmt      *ylist;
     cxobj          *xerr = NULL;
@@ -468,7 +456,15 @@ get_list_pagination(clicon_handle        h,
     int             ret;
     uint32_t        iddb; /* DBs lock, if any */
     int             locked;
-    cxobj          *x1 = NULL;
+    cbuf           *cberr = NULL; 
+    cxobj         **xvec = NULL;
+    size_t          xlen;
+#ifdef NOTYET
+    cxobj          *x;
+    char           *direction = NULL;
+    char           *sort = NULL;
+    char           *where = NULL;
+#endif
 
     /* Check if list/leaf-list */
     if (yang_path_arg(yspec, xpath, &ylist) < 0)
@@ -504,11 +500,6 @@ get_list_pagination(clicon_handle        h,
 		goto done;
 	    goto ok;
 	}
-#if 0 /* XXX For now state lists are not implemenetd */
-	if (netconf_operation_not_supported(cbret, "protocol", "List pagination for state lists is not yet implemented") < 0)
-	    goto done;
-	goto ok;
-#endif
     }
     /* offset */
     if ((ret = element2value(h, xe, "offset", "none", cbret, &offset)) < 0)
@@ -516,6 +507,7 @@ get_list_pagination(clicon_handle        h,
     /* limit */
     if (ret && (ret = element2value(h, xe, "limit", "unbounded", cbret, &limit)) < 0)
 	goto done;
+#ifdef NOTYET
     /* direction */
     if (ret && (x = xml_find_type(xe, NULL, "direction", CX_ELMNT)) != NULL){
 	direction = xml_body(x);
@@ -535,7 +527,7 @@ get_list_pagination(clicon_handle        h,
     /* where */
     if (ret && (x = xml_find_type(xe, NULL, "where", CX_ELMNT)) != NULL)
 	where = xml_body(x);
-
+#endif
     /* Read config */
     switch (content){
     case CONTENT_CONFIG:    /* config data only */
@@ -553,8 +545,10 @@ get_list_pagination(clicon_handle        h,
 	    cprintf(cbpath, "%s", xpath);
 	else
 	    cprintf(cbpath, "/");
+#ifdef NOTYET
 	if (where)
 	    cprintf(cbpath, "[%s]", where);
+#endif
 	if (offset){
 	    cprintf(cbpath, "[%u <= position()", offset);
 	    if (limit)
@@ -607,11 +601,40 @@ get_list_pagination(clicon_handle        h,
 					     offset, limit,
 					     xret)) < 0)
 	    goto done;
-	if (ret == 0)
+	if (ret == 0){
+	    if ((cberr = cbuf_new()) == NULL){
+		clicon_err(OE_UNIX, errno, "cbuf_new");
+		goto done;
+	    }
+	    /* error reason should be in clicon_err_reason */
+	    cprintf(cberr, "Internal error, pagination state callback invalid return : %s",
+		    clicon_err_reason);
+	    if (netconf_operation_failed_xml(&xerr, "application", cbuf_get(cberr)) < 0)
+		goto done;
+	    if (clicon_xml2cbuf(cbret, xerr, 0, 0, -1) < 0)
+		goto done;
 	    goto ok;
 	}
+
+	/* System makes the binding */
+	if ((ret = xml_bind_yang(xret, YB_MODULE, yspec, &xerr)) < 0)
+	    goto done;
+	if (ret == 0){
+	    if (clicon_debug_get() && xret)
+		clicon_log_xml(LOG_DEBUG, xret, "Yang bind pagination state");
+	    if (clixon_netconf_internal_error(xerr,
+					      ". Internal error, state callback returned invalid XML",
+					      NULL) < 0)
+		goto done;
+	    if (clicon_xml2cbuf(cbret, xerr, 0, 0, -1) < 0)
+		goto done;
+	    goto ok;
+	}
+    }
+    if (xpath_vec(xret, nsc, "%s", &xvec, &xlen, xpath?xpath:"/") < 0)
+	goto done;
     /* Help function to filter out anything that is outside of xpath */
-    if (filter_xpath_again(h, yspec, xret, xpath, nsc, &x1) < 0)
+    if (filter_xpath_again(h, yspec, xret, xvec, xlen, xpath, nsc) < 0)
 	goto done;
 #ifdef LIST_PAGINATION_REMAINING
     /* Add remaining attribute Sec 3.1.5: 
@@ -639,17 +662,21 @@ get_list_pagination(clicon_handle        h,
 	    cbuf_free(cba);
     }
 #endif /* LIST_PAGINATION_REMAINING */
-    if (get_nacm_and_reply(h, xret, xpath, nsc, username, depth, cbret) < 0)
+    if (get_nacm_and_reply(h, xret, xvec, xlen, xpath, nsc, username, depth, cbret) < 0)
 	goto done;
  ok:
     retval = 0;
  done:
+    if (xvec)
+	free(xvec);
     if (cbmsg)
 	cbuf_free(cbmsg);
     if (cbpath)
 	cbuf_free(cbpath);
     if (xerr)
 	xml_free(xerr);
+    if (cberr)
+	cbuf_free(cberr);
     if (xret)
 	xml_free(xret);
     return retval;
@@ -696,6 +723,10 @@ get_common(clicon_handle        h,
     int             list_pagination = 0;
     char           *valstr;
     cxobj          *x;
+#if 1
+    cxobj **xvec = NULL;
+    size_t  xlen;
+#endif
     
     clicon_debug(1, "%s", __FUNCTION__);
     username = clicon_username_get(h);
@@ -852,14 +883,18 @@ get_common(clicon_handle        h,
 	if (xml_apply(xret, CX_ELMNT, (xml_applyfn_t*)xml_flag_reset, (void*)XML_FLAG_MARK) < 0)
 	    goto done;
     }
-    if (filter_xpath_again(h, yspec, xret, xpath, nsc, NULL) < 0)
+    if (xpath_vec(xret, nsc, "%s", &xvec, &xlen, xpath?xpath:"/") < 0)
 	goto done;
-    if (get_nacm_and_reply(h, xret, xpath, nsc, username, depth, cbret) < 0)
+    if (filter_xpath_again(h, yspec, xret, xvec, xlen, xpath, nsc) < 0)
+	goto done;
+    if (get_nacm_and_reply(h, xret, xvec, xlen, xpath, nsc, username, depth, cbret) < 0)
 	goto done;
  ok:
     retval = 0;
  done:
     clicon_debug(1, "%s retval:%d", __FUNCTION__, retval);
+    if (xvec)
+	free(xvec);
     if (xret)
 	xml_free(xret);
     if (cbreason)

apps/backend/backend_plugin.c

@@ -108,6 +108,7 @@ clixon_plugin_reset_all(clicon_handle h,
     int             retval = -1;
     clixon_plugin_t  *cp = NULL;
     
+    clicon_debug(1, "%s", __FUNCTION__);
     /* Loop through all plugins, call callbacks in each */
     while ((cp = clixon_plugin_each(h, cp)) != NULL) {
 	if (clixon_plugin_reset_one(cp, h, db) < 0)
@@ -160,6 +161,7 @@ clixon_plugin_pre_daemon_all(clicon_handle h)
     int            retval = -1;
     clixon_plugin_t *cp = NULL;
 
+    clicon_debug(1, "%s", __FUNCTION__);
     /* Loop through all plugins, call callbacks in each */
     while ((cp = clixon_plugin_each(h, cp)) != NULL) {
         if (clixon_plugin_pre_daemon_one(cp, h) < 0)
@@ -213,6 +215,7 @@ clixon_plugin_daemon_all(clicon_handle h)
     int            retval = -1;
     clixon_plugin_t *cp = NULL;
     
+    clicon_debug(1, "%s", __FUNCTION__);
     /* Loop through all plugins, call callbacks in each */
     while ((cp = clixon_plugin_each(h, cp)) != NULL) {
 	if (clixon_plugin_daemon_one(cp, h) < 0)
@@ -259,7 +262,6 @@ clixon_plugin_statedata_one(clixon_plugin_t *cp,
     plgstatedata_t  *fn;          /* Plugin statedata fn */
     cxobj           *x = NULL;
     
-    clicon_debug(1, "%s %s", __FUNCTION__, clixon_plugin_name_get(cp));
     if ((fn = clixon_plugin_api_get(cp)->ca_statedata) != NULL){
 	if ((x = xml_new(DATASTORE_TOP_SYMBOL, NULL, CX_ELMNT)) == NULL)
 	    goto done;
@@ -407,7 +409,6 @@ clixon_plugin_lockdb_one(clixon_plugin_t *cp,
     int          retval = -1;
     plglockdb_t *fn;          /* Plugin statedata fn */
     
-    clicon_debug(1, "%s %s", __FUNCTION__, clixon_plugin_name_get(cp));
     if ((fn = clixon_plugin_api_get(cp)->ca_lockdb) != NULL){
 	if (fn(h, db, lock, id) < 0)
 	    goto done;  
@@ -605,6 +606,7 @@ plugin_transaction_begin_all(clicon_handle       h,
     int            retval = -1;
     clixon_plugin_t *cp = NULL;
 
+    clicon_debug(1, "%s", __FUNCTION__);
     while ((cp = clixon_plugin_each(h, cp)) != NULL) {
 	if (plugin_transaction_begin_one(cp, h, td) < 0)
 	    goto done;
@@ -899,6 +901,7 @@ plugin_transaction_end_all(clicon_handle h,
     int            retval = -1;
     clixon_plugin_t *cp = NULL;
 
+    clicon_debug(1, "%s", __FUNCTION__);
     while ((cp = clixon_plugin_each(h, cp)) != NULL) {
 	if (plugin_transaction_end_one(cp, h, td) < 0)
 	    goto done;
@@ -942,6 +945,7 @@ plugin_transaction_abort_all(clicon_handle       h,
     int            retval = -1;
     clixon_plugin_t *cp = NULL;
 
+    clicon_debug(1, "%s", __FUNCTION__);
     while ((cp = clixon_plugin_each(h, cp)) != NULL) {
 	if (plugin_transaction_abort_one(cp, h, td) < 0)
 	    ; /* dont abort on error */

apps/cli/cli_show.c

@@ -919,6 +919,7 @@ cli_pagination(clicon_handle h,
     uint32_t         limit = 0;
     cxobj          **xvec = NULL;
     size_t           xlen;
+    int              locked = 0;
     
     if (cvec_len(argv) != 5){
 	clicon_err(OE_PLUGIN, 0, "Expected usage: <xpath> <prefix> <namespace> <format> <limit>");
@@ -950,6 +951,7 @@ cli_pagination(clicon_handle h,
 	goto done;
     if (clicon_rpc_lock(h, "running") < 0)
 	goto done;
+    locked++;
     for (i = 0;; i++){
 	if (clicon_rpc_get_pageable_list(h, "running", xpath, nsc,
 					 CONTENT_ALL,
@@ -1000,10 +1002,10 @@ cli_pagination(clicon_handle h,
 	    xvec = NULL;
 	}
     } /* for i */
-    if (clicon_rpc_unlock(h, "running") < 0)
-	goto done;
     retval = 0;
  done:
+    if (locked)
+	clicon_rpc_unlock(h, "running");
     if (xvec)
 	free(xvec);
     if (xret)

example/main/example_backend.c

@@ -514,7 +514,10 @@ example_statefile(clicon_handle     h,
 	xml_flag_set(x1, XML_FLAG_MARK);
 	xml_apply_ancestor(x1, (xml_applyfn_t*)xml_flag_set, (void*)XML_FLAG_CHANGE);
     }
-    if (xml_copy_marked(xt, xstate) < 0) /* Copy the marked elements */
+    /* Copy the marked elements: 
+     * note is yang-aware for copying of keys which means XML must be bound 
+     */
+    if (xml_copy_marked(xt, xstate) < 0) 
 	goto done;
     /* Unmark original tree */
     if (xml_apply(xt, CX_ELMNT, (xml_applyfn_t*)xml_flag_reset, (void*)(XML_FLAG_MARK|XML_FLAG_CHANGE)) < 0)
@@ -614,6 +617,9 @@ example_pagination(void            *h0,
 	xml_flag_set(x1, XML_FLAG_MARK);
 	xml_apply_ancestor(x1, (xml_applyfn_t*)xml_flag_set, (void*)XML_FLAG_CHANGE);
     }
+    /* Copy the marked elements: 
+     * note is yang-aware for copying of keys which means XML must be bound 
+     */
     if (xml_copy_marked(xt, xstate) < 0) /* Copy the marked elements */
 	goto done;
     /* Unmark original tree */
@@ -1160,6 +1166,7 @@ example_daemon(clicon_handle h)
     int        ret;
     FILE      *fp = NULL;
     yang_stmt *yspec;
+    cxobj     *xerr = NULL;
 
     /* Read state file (or should this be in init/start?) */
     if (_state && _state_file && _state_file_cached){
@@ -1168,8 +1175,14 @@ example_daemon(clicon_handle h)
 	    clicon_err(OE_UNIX, errno, "open(%s)", _state_file);
 	    goto done;
 	}
-	if ((ret = clixon_xml_parse_file(fp, YB_MODULE, yspec, &_state_xml_cache, NULL)) < 1)
+	/* Need to be yang bound for eg xml_copy_marked() in example_pagination
+	 */
+	if ((ret = clixon_xml_parse_file(fp, YB_MODULE, yspec, &_state_xml_cache, &xerr)) < 0)
 	    goto done;
+	if (ret == 0){
+	    xml_print(stderr, xerr);
+	    goto done;
+	}
     }
     retval = 0;
  done:

lib/src/clixon_data.c

@@ -227,6 +227,11 @@ clicon_data_cvec_set(clicon_handle h,
 		     const char   *name,
 		     cvec         *cvv)
 {
+    cvec *cvv0 = NULL;
+
+    clicon_ptr_get(h, name, (void**)&cvv0);
+    if (cvv0)
+	cvec_free(cvv0);
     return clicon_ptr_set(h, name, cvv);
 }
 
@@ -238,6 +243,11 @@ int
 clicon_data_cvec_del(clicon_handle h,
 		     const char   *name)
 {
+    cvec *cvv = NULL;
+
+    clicon_ptr_get(h, name, (void**)&cvv);
+    if (cvv)
+	cvec_free(cvv);
     return clicon_ptr_del(h, name);
 }
 
@@ -377,9 +387,13 @@ clicon_nacm_ext(clicon_handle h)
  */
 int
 clicon_nacm_ext_set(clicon_handle h,
-		     cxobj        *xn)
+		     cxobj        *x)
 {
-    return clicon_ptr_set(h, "nacm_xml", xn);
+    cxobj *x0 = NULL;
+
+    if ((x0 = clicon_nacm_ext(h)) != NULL)
+	xml_free(x0);
+    return clicon_ptr_set(h, "nacm_xml", x);
 }
 
 /*! Get NACM (rfc 8341) XML parse tree cache

lib/src/clixon_dispatcher.c

@@ -68,10 +68,6 @@
  *          [b=]
  *          [b]
  *
- * NOTE 1: there is not a mechanism to free the created structures since
- * it is intended that this tree is created only at startup. if use case
- * changes, this function is trivial.
- *
  * NOTE 2: there is no attempt to optimize list searching here, sorry. I
  * do not think that the known use cases will get big enough to make the
  * tree get too large. I do not recommend that you encode every possible
@@ -439,7 +435,7 @@ dispatcher_register_handler(dispatcher_entry_t   **root,
  *
  * @param[in]  handle
  * @param[in]  root
- * @param[in]  path
+ * @param[in]  path   Note must be on the form: /a/b (no keys)
  * @retval     1      OK
  * @retval     0      Invalid
  * @retval    -1      Error

test/test_pagination_state.sh

@@ -17,8 +17,6 @@ cfg=$dir/conf.xml
 fexample=$dir/example-social.yang
 fstate=$dir/mystate.xml
 
-xpath=/es:audit-logs/es:audit-log
-
 # For 1M test,m use an external file since the generation takes considerable time
 #fstate=~/tmp/mystate.xml
 
@@ -110,7 +108,7 @@ function testrun_start()
 	fi
 	sudo pkill -f clixon_backend # to be sure
 	
-	new "start backend -s init -f $cfg -- -siS $fstate -X $xpath"
+	new "start backend -s init -f $cfg -- -siS $fstate -x $xpath"
 	start_backend -s init -f $cfg -- -siS $fstate -x $xpath
     fi
     
@@ -132,19 +130,26 @@ function testrun_stop()
     fi
 }
 
-testrun_start "/es:members/es:member[es:member-id='alice']/es:stats/es:numbers"
+xpath0="/es:members/es:member[es:member-id='alice']/es:stats"
+xpath="$xpath0/es:numbers"
+testrun_start $xpath
 
 new "NETCONF get leaf-list member/numbers 0-10 alice"
 expecteof "$clixon_netconf -qf $cfg" 0 "$DEFAULTHELLO<rpc $DEFAULTNS><get content=\"nonconfig\"><filter type=\"xpath\" select=\"$xpath\" xmlns:es=\"http://example.com/ns/example-social\"/><list-pagination xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">true</list-pagination><offset xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">0</offset><limit xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">10</limit></get></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><data><members xmlns=\"http://example.com/ns/example-social\"><member><member-id>alice</member-id><privacy-settings><post-visibility>public</post-visibility></privacy-settings><stats><numbers>3</numbers><numbers>4</numbers><numbers>5</numbers><numbers>6</numbers><numbers>7</numbers><numbers>8</numbers></stats></member></members></data></rpc-reply>]]>]]>$"
 
 # negative
 new "NETCONF get container, expect fail"
-expecteof "$clixon_netconf -qf $cfg" 0 "$DEFAULTHELLO<rpc $DEFAULTNS><get content=\"nonconfig\"><filter type=\"xpath\" select=\"/es:members/es:member[es:member-id='alice']/es:stats\" xmlns:es=\"http://example.com/ns/example-social\"/><list-pagination xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">true</list-pagination><offset xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">0</offset><limit xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">10</limit></get></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><rpc-error><error-type>application</error-type><error-tag>invalid-value</error-tag><error-severity>error</error-severity><error-message>list-pagination is enabled but target is not list or leaf-list</error-message></rpc-error></rpc-reply>]]>]]>$"
+expecteof "$clixon_netconf -qf $cfg" 0 "$DEFAULTHELLO<rpc $DEFAULTNS><get content=\"nonconfig\"><filter type=\"xpath\" select=\"$xpath0\" xmlns:es=\"http://example.com/ns/example-social\"/><list-pagination xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">true</list-pagination><offset xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">0</offset><limit xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">10</limit></get></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><rpc-error><error-type>application</error-type><error-tag>invalid-value</error-tag><error-severity>error</error-severity><error-message>list-pagination is enabled but target is not list or leaf-list</error-message></rpc-error></rpc-reply>]]>]]>$"
+
+xpath="/es:members/es:member[es:member-id='bob']/es:stats/es:numbers"
+new "NETCONF get leaf-list member/numbers 0-10 bob"
+expecteof "$clixon_netconf -qf $cfg" 0 "$DEFAULTHELLO<rpc $DEFAULTNS><get content=\"nonconfig\"><filter type=\"xpath\" select=\"$xpath\" xmlns:es=\"http://example.com/ns/example-social\"/><list-pagination xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">true</list-pagination><offset xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">0</offset><limit xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">10</limit></get></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><data><members xmlns=\"http://example.com/ns/example-social\"><member><member-id>bob</member-id><privacy-settings><post-visibility>public</post-visibility></privacy-settings><stats><numbers>13</numbers><numbers>14</numbers><numbers>15</numbers><numbers>16</numbers><numbers>17</numbers><numbers>18</numbers></stats></member></members></data></rpc-reply>]]>]]>$"
 
 testrun_stop
 
 #----------------------------
-testrun_start "/es:members/es:member/es:stats/es:numbers"
+xpath="/es:members/es:member/es:stats/es:numbers"
+testrun_start $xpath
 
 new "NETCONF get leaf-list member/numbers all"
 expecteof "$clixon_netconf -qf $cfg" 0 "$DEFAULTHELLO<rpc $DEFAULTNS><get content=\"nonconfig\"><filter type=\"xpath\" select=\"$xpath\" xmlns:es=\"http://example.com/ns/example-social\"/><list-pagination xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">true</list-pagination><offset xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">0</offset><limit xmlns=\"http://clicon.org/clixon-netconf-list-pagination\">10</limit></get></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><data><members xmlns=\"http://example.com/ns/example-social\"><member><member-id>alice</member-id><privacy-settings><post-visibility>public</post-visibility></privacy-settings><stats><numbers>3</numbers><numbers>4</numbers><numbers>5</numbers><numbers>6</numbers><numbers>7</numbers><numbers>8</numbers></stats></member><member><member-id>bob</member-id><privacy-settings><post-visibility>public</post-visibility></privacy-settings><stats><numbers>13</numbers><numbers>14</numbers><numbers>15</numbers><numbers>16</numbers></stats></member></members></data></rpc-reply>]]>]]>$"
@@ -169,6 +174,7 @@ fi # interactive
 unset validatexml
 unset perfnr
 unset xpath
+unset xpath0
 
 rm -rf $dir