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-rw-r--r--src/plugins/http_static/builtinurl/json_urls.c197
1 files changed, 197 insertions, 0 deletions
diff --git a/src/plugins/http_static/builtinurl/json_urls.c b/src/plugins/http_static/builtinurl/json_urls.c
new file mode 100644
index 00000000000..ccd70fb1799
--- /dev/null
+++ b/src/plugins/http_static/builtinurl/json_urls.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <http_static/http_static.h>
+#include <vpp/app/version.h>
+
+int
+handle_get_version (http_req_method_t reqtype, u8 *request, hss_session_t *hs)
+{
+ u8 *s = 0;
+
+ s = format (s, "{\"vpp_details\": {");
+ s = format (s, " \"version\": \"%s\",", VPP_BUILD_VER);
+ s = format (s, " \"build_date\": \"%s\"}}\r\n", VPP_BUILD_DATE);
+
+ hs->data = s;
+ hs->data_offset = 0;
+ hs->cache_pool_index = ~0;
+ hs->free_data = 1;
+ return 0;
+}
+
+void
+trim_path_from_request (u8 *s, char *path)
+{
+ u8 *cp;
+ int trim_length = strlen (path) + 1 /* remove '?' */;
+
+ /* Get rid of the path and question-mark */
+ vec_delete (s, trim_length, 0);
+
+ /* Tail trim irrelevant browser info */
+ cp = s;
+ while ((cp - s) < vec_len (s))
+ {
+ if (*cp == ' ')
+ {
+ /*
+ * Makes request a vector which happens to look
+ * like a c-string.
+ */
+ *cp = 0;
+ _vec_len (s) = cp - s;
+ break;
+ }
+ cp++;
+ }
+}
+
+int
+handle_get_interface_stats (http_req_method_t reqtype, u8 *request,
+ hss_session_t *hs)
+{
+ u8 *s = 0, *stats = 0;
+ uword *p;
+ u32 *sw_if_indices = 0;
+ vnet_hw_interface_t *hi;
+ vnet_sw_interface_t *si;
+ char *q = "\"";
+ int i;
+ int need_comma = 0;
+ u8 *format_vnet_sw_interface_cntrs (u8 * s, vnet_interface_main_t * im,
+ vnet_sw_interface_t * si, int json);
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+
+ /* Get stats for a single interface via http POST */
+ if (reqtype == HTTP_REQ_POST)
+ {
+ trim_path_from_request (request, "interface_stats.json");
+
+ /* Find the sw_if_index */
+ p = hash_get (im->hw_interface_by_name, request);
+ if (!p)
+ {
+ s = format (s, "{\"interface_stats\": {[\n");
+ s = format (s, " \"name\": \"%s\",", request);
+ s = format (s, " \"error\": \"%s\"", "UnknownInterface");
+ s = format (s, "]}\n");
+ goto out;
+ }
+
+ vec_add1 (sw_if_indices, p[0]);
+ }
+ else /* default, HTTP_BUILTIN_METHOD_GET */
+ {
+ pool_foreach (hi, im->hw_interfaces)
+ {
+ vec_add1 (sw_if_indices, hi->sw_if_index);
+ }
+ }
+
+ s = format (s, "{%sinterface_stats%s: [\n", q, q);
+
+ for (i = 0; i < vec_len (sw_if_indices); i++)
+ {
+ si = vnet_get_sw_interface (vnm, sw_if_indices[i]);
+ if (need_comma)
+ s = format (s, ",\n");
+
+ need_comma = 1;
+
+ s = format (s, "{%sname%s: %s%U%s, ", q, q, q,
+ format_vnet_sw_if_index_name, vnm, sw_if_indices[i], q);
+
+ stats = format_vnet_sw_interface_cntrs (stats, &vnm->interface_main, si,
+ 1 /* want json */);
+ if (vec_len (stats))
+ s = format (s, "%v}", stats);
+ else
+ s = format (s, "%snone%s: %strue%s}", q, q, q, q);
+ vec_reset_length (stats);
+ }
+
+ s = format (s, "]}\n");
+
+out:
+ hs->data = s;
+ hs->data_offset = 0;
+ hs->cache_pool_index = ~0;
+ hs->free_data = 1;
+ vec_free (sw_if_indices);
+ vec_free (stats);
+ return 0;
+}
+
+int
+handle_get_interface_list (http_req_method_t reqtype, u8 *request,
+ hss_session_t *hs)
+{
+ u8 *s = 0;
+ int i;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vnet_hw_interface_t *hi;
+ u32 *hw_if_indices = 0;
+ int need_comma = 0;
+
+ /* Construct vector of active hw_if_indexes ... */
+ pool_foreach (hi, im->hw_interfaces)
+ {
+ /* No point in mentioning "local0"... */
+ if (hi - im->hw_interfaces)
+ vec_add1 (hw_if_indices, hi - im->hw_interfaces);
+ }
+
+ /* Build answer */
+ s = format (s, "{\"interface_list\": [\n");
+ for (i = 0; i < vec_len (hw_if_indices); i++)
+ {
+ if (need_comma)
+ s = format (s, ",\n");
+ hi = pool_elt_at_index (im->hw_interfaces, hw_if_indices[i]);
+ s = format (s, "\"%v\"", hi->name);
+ need_comma = 1;
+ }
+ s = format (s, "]}\n");
+ vec_free (hw_if_indices);
+
+ hs->data = s;
+ hs->data_offset = 0;
+ hs->cache_pool_index = ~0;
+ hs->free_data = 1;
+ return 0;
+}
+
+void
+hss_builtinurl_json_handlers_init (void)
+{
+ hss_register_url_handler (handle_get_version, "version.json", HTTP_REQ_GET);
+ hss_register_url_handler (handle_get_interface_list, "interface_list.json",
+ HTTP_REQ_GET);
+ hss_register_url_handler (handle_get_interface_stats, "interface_stats.json",
+ HTTP_REQ_GET);
+ hss_register_url_handler (handle_get_interface_stats, "interface_stats.json",
+ HTTP_REQ_POST);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */