add nick name for cached records

[oweals/gnunet.git] / src / regex / perf-regex.c

diff --git a/src/regex/perf-regex.c b/src/regex/perf-regex.c
index e0ac7b3d2bc22894deff836d2da2c2a662646a3e..3f1e771154dcbc1defbcff28e7b7cca95cd44e7e 100644 (file)
--- a/src/regex/perf-regex.c
+++ b/src/regex/perf-regex.c
@@ -19,25 +19,54 @@
 */
 
 /**
- * @file regex/prof-regex.c
+ * @file src/regex/perf-regex.c
  * @brief Test how long it takes to create a automaton from a string regex.
  * @author Bartlomiej Polot
  */
 #include <regex.h>
 #include <time.h>
 #include "platform.h"
-#include "gnunet_regex_lib.h"
+#include "regex_internal_lib.h"
+#include "regex_test_lib.h"
 
-static const char *exe;
 
+/**
+ * Print information about the given node and its edges
+ * to stdout.
+ *
+ * @param cls closure, unused.
+ * @param key hash for current state.
+ * @param proof proof for current state.
+ * @param accepting GNUNET_YES if this is an accepting state, GNUNET_NO if not.
+ * @param num_edges number of edges leaving current state.
+ * @param edges edges leaving current state.
+ */
 static void
-usage(void)
+print_edge (void *cls,
+           const struct GNUNET_HashCode *key,
+           const char *proof,
+           int accepting,
+           unsigned int num_edges,
+           const struct REGEX_BLOCK_Edge *edges)
 {
-  fprintf (stderr, "Usage: %s REGEX_FILE COMPRESSION\n", exe);
+  unsigned int i;
+
+  printf ("%s: %s, proof: `%s'\n",
+         GNUNET_h2s (key),
+         accepting ? "ACCEPTING" : "",
+         proof);
+  for (i = 0; i < num_edges; i++)
+    printf ("    `%s': %s\n",
+           edges[i].label,
+           GNUNET_h2s (&edges[i].destination));
 }
 
+
 /**
- * The main function to obtain peer information.
+ * The main function of the regex performace test.
+ *
+ * Read a set of regex from a file, combine them and create a DFA from the
+ * resulting combined regex.
  *
  * @param argc number of arguments from the command line
  * @param argv command line arguments
@@ -46,84 +75,48 @@ usage(void)
 int
 main (int argc, char *const *argv)
 {
-  struct GNUNET_REGEX_Automaton* dfa;
+  struct REGEX_INTERNAL_Automaton* dfa;
   char **regexes;
   char *buffer;
   char *regex;
-  unsigned int nr;
-  unsigned int i;
   int compression;
   long size;
-  size_t len;
-  FILE *f;
 
   GNUNET_log_setup ("perf-regex", "DEBUG", NULL);
-  exe = argv[0];
   if (3 != argc)
   {
-    usage();
+    fprintf (stderr,
+            "Usage: %s REGEX_FILE COMPRESSION\n",
+            argv[0]);
     return 1;
   }
-  f = fopen (argv[1], "r");
-  if (NULL == f)
+  regexes = REGEX_TEST_read_from_file (argv[1]);
+  if (NULL == regexes)
   {
-    fprintf (stderr, "Can't open file %s\n", argv[1]);
-    usage();
+    fprintf (stderr,
+            "Failed to read regexes from `%s'\n",
+            argv[1]);
     return 2;
   }
-  fseek (f, 0, SEEK_END);
-  size = ftell (f);
-  fprintf (stderr, "using file %s, size %ld\n", argv[1], size);
-  fseek (f, 0, SEEK_SET);
-  buffer = GNUNET_malloc (size + 1);
-  regexes = GNUNET_malloc (sizeof (char *));
-  nr = 1;
-  do
-  {
-    if (NULL == fgets (buffer, size + 1, f))
-    {
-      fprintf (stderr, "Can't read file %s\n", argv[1]);
-      usage();
-      return 3;
-    }
-    len = strlen (buffer);
-    if (len < 1)
-      continue;
-    if ('\n' == buffer[len - 1])
-    {
-      len--;
-      buffer[len] = '\0';
-    }
-    if (len < 6 || strncmp (&buffer[len - 6], "(0|1)*", 6) != 0)
-    {
-      fprintf (stderr, "\nWARNING:\n");
-      fprintf (stderr, "%s (line %u) does not end in (0|1)*\n", buffer, nr);
-    }
-    else
-    {
-      buffer[len - 6] = '\0';
-    }
-    GNUNET_array_grow (regexes, nr, nr+1);
-    regexes[nr - 2] = GNUNET_strdup (buffer);
-    regexes[nr - 1] = NULL;
-  } while (ftell(f) < size);
-  GNUNET_free (buffer);
-
-  buffer = GNUNET_REGEX_combine (regexes);
+  compression = atoi (argv[2]);
 
-  GNUNET_asprintf (&regex, "GNVPN-0001-PAD(%s)(0|1)*", buffer);
+  buffer = REGEX_TEST_combine (regexes);
+  GNUNET_asprintf (&regex, "GNUNET_REGEX_PROFILER_(%s)(0|1)*", buffer);
   size = strlen (regex);
-  
-  // fprintf (stderr, "Combined regex:\n%s\n", regex);
-  //   return 0;
 
-  compression = atoi (argv[2]);
-  dfa = GNUNET_REGEX_construct_dfa (regex, size, compression);
-  GNUNET_REGEX_automaton_destroy (dfa);
+  fprintf (stderr,
+          "Combined regex (%ld bytes):\n%s\n",
+          size,
+          regex);
+  dfa = REGEX_INTERNAL_construct_dfa (regex, size, compression);
+  printf ("********* ALL EDGES *********'\n");
+  REGEX_INTERNAL_iterate_all_edges (dfa, &print_edge, NULL);
+  printf ("\n\n********* REACHABLE EDGES *********'\n");
+  REGEX_INTERNAL_iterate_reachable_edges (dfa, &print_edge, NULL);
+  REGEX_INTERNAL_automaton_destroy (dfa);
   GNUNET_free (buffer);
-  for (i=0;i<nr;i++)
-    GNUNET_free_non_null (regexes[i]);
-  GNUNET_array_grow (regexes, nr, 0);
+  REGEX_TEST_free_from_file (regexes);
+  GNUNET_free (regex);
   return 0;
 }