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-rw-r--r--src/plugins/perfmon/parse_util.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/src/plugins/perfmon/parse_util.c b/src/plugins/perfmon/parse_util.c
deleted file mode 100644
index 8c9e9be59f5..00000000000
--- a/src/plugins/perfmon/parse_util.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * parse_util.c - halfhearted json parser
- *
- * Copyright (c) 2018 Cisco Systems 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 <perfmon/perfmon.h>
-#include <vppinfra/unix.h>
-
-typedef enum
-{
- STATE_START,
- STATE_READ_NAME,
- STATE_READ_VALUE,
-} parse_state_t;
-
-static u8 *
-downcase (u8 * s)
-{
- u8 *rv = 0;
- u8 c;
- int i;
-
- for (i = 0; i < vec_len (s); i++)
- {
- c = s[i];
- if (c >= 'A' && c <= 'Z')
- c = c + ('a' - 'A');
- vec_add1 (rv, c);
- }
- return (rv);
-}
-
-uword *
-perfmon_parse_table (perfmon_main_t * pm, char *path, char *table_name)
-{
- u8 *cp;
- u8 *event_name;
- int state = STATE_START;
- uword *ht;
- name_value_pair_t *nvp = 0;
- name_value_pair_t **nvps = 0;
- u8 *v;
- int i;
- u8 *json_filename;
- clib_error_t *error;
-
- /* Create the name/value hash table in any case... */
- ht = hash_create_string (0, sizeof (uword));
-
- json_filename = format (0, "%s/%s%c", path, table_name, 0);
-
- vlib_log_debug (pm->log_class, "Try to read perfmon events from %s",
- json_filename);
-
- error = unix_proc_file_contents ((char *) json_filename, &cp);
-
- if (error)
- {
- vlib_log_err (pm->log_class,
- "Failed to read CPU-specific counter table %s",
- json_filename);
- vlib_log_err (pm->log_class,
- "Please install the vpp-dev package and then:");
- vlib_log_err
- (pm->log_class, "cd %s; sudo tar Jxf PerfmonTables.tar.xz", path);
- vlib_log_err (pm->log_class, "and restart vpp.");
-
- vec_free (json_filename);
- clib_error_report (error);
- return ht;
- }
- vlib_log_debug (pm->log_class, "Read OK, parse the event table...");
- vec_free (json_filename);
-
-again:
- while (*cp)
- {
- switch (state)
- {
- case STATE_START:
- while (*cp && *cp != '{' && *cp != '}' && *cp != ',')
- cp++;
- if (*cp == 0)
- goto done;
-
- /* Look for a new event */
- if (*cp == '{')
- {
- if (*cp == 0)
- {
- error:
- clib_warning ("parse fail");
- hash_free (ht);
- return 0;
- }
- cp++;
- state = STATE_READ_NAME;
- goto again;
- }
- else if (*cp == '}') /* end of event */
- {
- /* Look for the "EventName" nvp */
- for (i = 0; i < vec_len (nvps); i++)
- {
- nvp = nvps[i];
- if (!strncmp ((char *) nvp->name, "EventName", 9))
- {
- event_name = nvp->value;
- goto found;
- }
- }
- /* no name? */
- for (i = 0; i < vec_len (nvps); i++)
- {
- vec_free (nvps[i]->name);
- vec_free (nvps[i]->value);
- }
- vec_free (nvps);
- cp++;
- goto again;
-
- found:
- event_name = downcase (event_name);
- hash_set_mem (ht, event_name, nvps);
- nvp = 0;
- nvps = 0;
- cp++;
- goto again;
- }
- else if (*cp == ',') /* punctuation */
- {
- cp++;
- goto again;
- }
- else /* should never happen... */
- cp++;
- goto again;
-
- case STATE_READ_NAME:
- vec_validate (nvp, 0);
- v = 0;
- while (*cp && *cp != '"')
- cp++;
-
- if (*cp == 0)
- {
- vec_free (nvp);
- goto error;
- }
-
- cp++;
- while (*cp && *cp != '"')
- {
- vec_add1 (v, *cp);
- cp++;
- }
- if (*cp == 0)
- {
- vec_free (v);
- goto error;
- }
- cp++;
- vec_add1 (v, 0);
- nvp->name = v;
- state = STATE_READ_VALUE;
- goto again;
-
- case STATE_READ_VALUE:
- while (*cp && *cp != ':')
- cp++;
- if (*cp == 0)
- {
- vec_free (nvp->name);
- goto error;
- }
- while (*cp && *cp != '"')
- cp++;
- if (*cp == 0)
- {
- vec_free (nvp->name);
- goto error;
- }
- else
- cp++;
- v = 0;
- while (*cp && *cp != '"')
- {
- vec_add1 (v, *cp);
- cp++;
- }
- if (*cp == 0)
- {
- vec_free (nvp->name);
- vec_free (v);
- goto error;
- }
- vec_add1 (v, 0);
- nvp->value = v;
- vec_add1 (nvps, nvp);
- while (*cp && *cp != ',' && *cp != '}')
- cp++;
- if (*cp == 0)
- {
- vec_free (nvp->name);
- vec_free (nvp->value);
- goto error;
- }
- else if (*cp == '}')
- state = STATE_START;
- else
- {
- cp++;
- state = STATE_READ_NAME;
- }
- nvp = 0;
- goto again;
- }
- }
-
-done:
- return (ht);
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */