/* * 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 <vnet/vnet.h> #include <builtinurl/builtinurl.h> #include <http_static/http_static.h> #include <vpp/app/version.h> int handle_get_version (http_builtin_method_type_t reqtype, u8 * request, http_session_t * hs) { u8 *s = 0; /* Build some json bullshit */ 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_builtin_method_type_t reqtype, u8 * request, http_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_BUILTIN_METHOD_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 */ { /* *INDENT-OFF* */ pool_foreach (hi, im->hw_interfaces) { vec_add1 (sw_if_indices, hi->sw_if_index); } /* *INDENT-ON* */ } 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_builtin_method_type_t reqtype, u8 * request, http_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 ... */ /* *INDENT-OFF* */ 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); } /* *INDENT-ON* */ /* 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 builtinurl_handler_init (builtinurl_main_t * bm) { bm->register_handler (handle_get_version, "version.json", HTTP_BUILTIN_METHOD_GET); bm->register_handler (handle_get_interface_list, "interface_list.json", HTTP_BUILTIN_METHOD_GET); bm->register_handler (handle_get_interface_stats, "interface_stats.json", HTTP_BUILTIN_METHOD_GET); bm->register_handler (handle_get_interface_stats, "interface_stats.json", HTTP_BUILTIN_METHOD_POST); } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */