From 1a8556d49b78ba9e2f366944183326efc027213d Mon Sep 17 00:00:00 2001
From: Stef Walter <stef@memberwebs.com>
Date: Thu, 30 Mar 2006 00:35:39 +0000
Subject: Add support for strings, which should have us covered for the various
 data types.

---
 module/bsnmp-regex.c  | 79 +++++++++++++++++++++++----------------------------
 module/regex-tree.def |  3 +-
 2 files changed, 38 insertions(+), 44 deletions(-)

diff --git a/module/bsnmp-regex.c b/module/bsnmp-regex.c
index 49bda3e..3696820 100644
--- a/module/bsnmp-regex.c
+++ b/module/bsnmp-regex.c
@@ -77,7 +77,7 @@ static u_int reg_index = 0;
 enum {
     TYPE_UNKNOWN = 0,
     TYPE_COUNTER,
-    TYPE_INTEGER
+    TYPE_VALUE
 };
 
 struct data_entry {
@@ -96,7 +96,8 @@ struct data_entry {
     char                    *result;
 
     uint64_t                last_update;
-    uint64_t                value;
+    int64_t                 value_int;
+    char                    *value_str;
 };
 
 TAILQ_HEAD(data_entry_list, data_entry);
@@ -252,25 +253,34 @@ static int
 process_match (struct data_entry *data, char *result)
 {
     char *t;
-    int i;
+    int64_t i;
 
     switch(data->type) {
+
     case TYPE_COUNTER:
-        data->value++;
+        data->value_int++;
+        if (result)
+            free (result);
         break;
-    case TYPE_INTEGER:
+
+    case TYPE_VALUE:
         if (!result) {
             emsg ("match, but no result data for '%s'", data->descr);
             return -1;
         }
 
-        i = strtol (result, &t, 10);
-        if (*t) {
-            emsg ("invalid integer for '%s': %s", data->descr, result);
-            return -1;
-        }
+        /* Integer value */
+        i = strtoll (result, &t, 10);
+        if (!*t)
+            data->value_int = i;
+        else
+            data->value_int = 0;
+
+        /* String value */
+        if (data->value_str)
+            free (data->value_str);
+        data->value_str = result;
 
-        data->value = i;
         break;
 
     default:
@@ -281,8 +291,8 @@ process_match (struct data_entry *data, char *result)
     data->last_update = getcurrticks ();
 
     /*
-        fprintf(stderr, "updated '%s' to value '%lld' at '%lld'\n",
-                data->descr, data->value, data->last_update);
+        fprintf(stderr, "updated '%s' to value '%d' at '%lld'\n",
+                data->descr, data->value_str, data->last_update);
     */
 
     return 0;
@@ -420,7 +430,6 @@ process_log (char *line, int len)
 #endif
 
         process_match (data, result);
-        free (result);
     }
 }
 
@@ -632,6 +641,9 @@ config_free (struct data_entry *data)
     regfree (&(data->regex));
 #endif
 
+    if (data->value_str)
+        free (data->value_str);
+
     free (data);
 }
 
@@ -646,7 +658,7 @@ config_free_all ()
 }
 
 static int
-config_entry (struct data_entry *data, char *name, char type, char *regex,
+config_entry (struct data_entry *data, char *name, char *regex,
               char *result, char *flags, int line)
 {
 #ifdef WITH_PCRE
@@ -661,23 +673,10 @@ config_entry (struct data_entry *data, char *name, char type, char *regex,
     ASSERT (regex);
     ASSERT (flags);
     ASSERT (data);
-    ASSERT (type);
     ASSERT (name);
 
-    /* Figure out the type first */
-    switch (type) {
-    case 'c':
-        data->type = TYPE_COUNTER;
-        break;
-    case 'i':
-        data->type = TYPE_INTEGER;
-        break;
-    case '\0':
-        return -2;
-    default:
-        emsg ("[line %d] invalid or unknown entry type: %c", line, type);
-        return -1;
-    }
+    /* No result area means this is a counter */
+    data->type = result ? TYPE_VALUE : TYPE_COUNTER;
 
     /* Parse any options we have */
     for (; *flags; flags++) {
@@ -716,10 +715,6 @@ config_entry (struct data_entry *data, char *name, char type, char *regex,
 #endif
 
     /* Replacement data */
-    if (data->type != TYPE_COUNTER && !result) {
-        emsg ("[line %d] no match text specified in entry", line);
-        return -1;
-    }
     data->result = result;
 
     return 0;
@@ -732,7 +727,6 @@ config_line (char *name, char *value, int line)
     char *regex = NULL;
     char *result = NULL;
     char *flags = NULL;
-    char type;
     char delimiter;
     char *t;
     int r;
@@ -740,11 +734,7 @@ config_line (char *name, char *value, int line)
     /* config_parse trims this for us */
     ASSERT (!isspace(value[0]));
 
-    /* The type of entry */
-    type = value[0];
-    ++value;
-
-    /* Next thing is the delimiter */
+    /* First thing is the delimiter */
     if (!*value)
         return -2;
     delimiter = value[0];
@@ -777,7 +767,7 @@ config_line (char *name, char *value, int line)
     }
 
     /* Now make an entry out of it all */
-    r = config_entry (data, name, type, regex, result, flags, line);
+    r = config_entry (data, name, regex, result, flags, line);
 
     if (r < 0) {
         free (data);
@@ -1067,10 +1057,13 @@ op_regexentry (struct snmp_context *ctx, struct snmp_value *value,
         }
         break;
 
-    case LEAF_regexValue:
-        value->v.uint32 = data->value;
+    case LEAF_regexInteger:
+        value->v.uint32 = data->value_int;
         break;
 
+    case LEAF_regexValue:
+        return (string_get (value, data->value_str ? data->value_str : "", -1));
+
     default:
         ASSERT(0);
         break;
diff --git a/module/regex-tree.def b/module/regex-tree.def
index 366dc0e..2a7b068 100644
--- a/module/regex-tree.def
+++ b/module/regex-tree.def
@@ -13,7 +13,8 @@
               (1 regexIndex INTEGER GET)
               (2 regexDescr OCTETSTRING GET)
               (3 regexLast TIMETICKS GET)
-              (4 regexValue INTEGER GET)
+              (4 regexInteger INTEGER GET)
+              (5 regexValue OCTETSTRING GET)
             )
           )
         )
-- 
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