X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Futils_match.c;h=b024c69b3e3205c8fa2e55b1057643e195286d1c;hb=master;hp=11b3f74f9394c0cb2727e1d47f1d31c49b10fe33;hpb=edcf39cc377d2de0744412209de4eeb50ca7ed5f;p=collectd.git

diff --git a/src/utils_match.c b/src/utils_match.c
deleted file mode 100644
index 11b3f74f..00000000
--- a/src/utils_match.c
+++ /dev/null
@@ -1,378 +0,0 @@
-/**
- * collectd - src/utils_match.c
- * Copyright (C) 2008-2014  Florian octo Forster
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *   Florian octo Forster <octo at collectd.org>
- **/
-
-#include "collectd.h"
-
-#include "common.h"
-#include "plugin.h"
-
-#include "utils_match.h"
-
-#include <regex.h>
-
-#define UTILS_MATCH_FLAGS_EXCLUDE_REGEX 0x02
-#define UTILS_MATCH_FLAGS_REGEX 0x04
-
-struct cu_match_s {
-  regex_t regex;
-  regex_t excluderegex;
-  int flags;
-
-  int (*callback)(const char *str, char *const *matches, size_t matches_num,
-                  void *user_data);
-  void *user_data;
-  void (*free)(void *user_data);
-};
-
-/*
- * Private functions
- */
-static char *match_substr(const char *str, int begin, int end) {
-  char *ret;
-  size_t ret_len;
-
-  if ((begin < 0) || (end < 0) || (begin >= end))
-    return (NULL);
-  if ((size_t)end > (strlen(str) + 1)) {
-    ERROR("utils_match: match_substr: `end' points after end of string.");
-    return (NULL);
-  }
-
-  ret_len = end - begin;
-  ret = malloc(ret_len + 1);
-  if (ret == NULL) {
-    ERROR("utils_match: match_substr: malloc failed.");
-    return (NULL);
-  }
-
-  sstrncpy(ret, str + begin, ret_len + 1);
-  return (ret);
-} /* char *match_substr */
-
-static int default_callback(const char __attribute__((unused)) * str,
-                            char *const *matches, size_t matches_num,
-                            void *user_data) {
-  cu_match_value_t *data = (cu_match_value_t *)user_data;
-
-  if (data->ds_type & UTILS_MATCH_DS_TYPE_GAUGE) {
-    gauge_t value;
-    char *endptr = NULL;
-
-    if (data->ds_type & UTILS_MATCH_CF_GAUGE_INC) {
-      data->value.gauge = isnan(data->value.gauge) ? 1 : data->value.gauge + 1;
-      data->values_num++;
-      return (0);
-    }
-
-    if (matches_num < 2)
-      return (-1);
-
-    value = (gauge_t)strtod(matches[1], &endptr);
-    if (matches[1] == endptr)
-      return (-1);
-
-    if (data->ds_type & UTILS_MATCH_CF_GAUGE_DIST) {
-      latency_counter_add(data->latency, DOUBLE_TO_CDTIME_T(value));
-      data->values_num++;
-      return (0);
-    }
-
-    if ((data->values_num == 0) ||
-        (data->ds_type & UTILS_MATCH_CF_GAUGE_LAST) ||
-        (data->ds_type & UTILS_MATCH_CF_GAUGE_PERSIST)) {
-      data->value.gauge = value;
-    } else if (data->ds_type & UTILS_MATCH_CF_GAUGE_AVERAGE) {
-      double f = ((double)data->values_num) / ((double)(data->values_num + 1));
-      data->value.gauge = (data->value.gauge * f) + (value * (1.0 - f));
-    } else if (data->ds_type & UTILS_MATCH_CF_GAUGE_MIN) {
-      if (data->value.gauge > value)
-        data->value.gauge = value;
-    } else if (data->ds_type & UTILS_MATCH_CF_GAUGE_MAX) {
-      if (data->value.gauge < value)
-        data->value.gauge = value;
-    } else if (data->ds_type & UTILS_MATCH_CF_GAUGE_ADD) {
-      data->value.gauge += value;
-    } else {
-      ERROR("utils_match: default_callback: obj->ds_type is invalid!");
-      return (-1);
-    }
-
-    data->values_num++;
-  } else if (data->ds_type & UTILS_MATCH_DS_TYPE_COUNTER) {
-    counter_t value;
-    char *endptr = NULL;
-
-    if (data->ds_type & UTILS_MATCH_CF_COUNTER_INC) {
-      data->value.counter++;
-      data->values_num++;
-      return (0);
-    }
-
-    if (matches_num < 2)
-      return (-1);
-
-    value = (counter_t)strtoull(matches[1], &endptr, 0);
-    if (matches[1] == endptr)
-      return (-1);
-
-    if (data->ds_type & UTILS_MATCH_CF_COUNTER_SET)
-      data->value.counter = value;
-    else if (data->ds_type & UTILS_MATCH_CF_COUNTER_ADD)
-      data->value.counter += value;
-    else {
-      ERROR("utils_match: default_callback: obj->ds_type is invalid!");
-      return (-1);
-    }
-
-    data->values_num++;
-  } else if (data->ds_type & UTILS_MATCH_DS_TYPE_DERIVE) {
-    derive_t value;
-    char *endptr = NULL;
-
-    if (data->ds_type & UTILS_MATCH_CF_DERIVE_INC) {
-      data->value.derive++;
-      data->values_num++;
-      return (0);
-    }
-
-    if (matches_num < 2)
-      return (-1);
-
-    value = (derive_t)strtoll(matches[1], &endptr, 0);
-    if (matches[1] == endptr)
-      return (-1);
-
-    if (data->ds_type & UTILS_MATCH_CF_DERIVE_SET)
-      data->value.derive = value;
-    else if (data->ds_type & UTILS_MATCH_CF_DERIVE_ADD)
-      data->value.derive += value;
-    else {
-      ERROR("utils_match: default_callback: obj->ds_type is invalid!");
-      return (-1);
-    }
-
-    data->values_num++;
-  } else if (data->ds_type & UTILS_MATCH_DS_TYPE_ABSOLUTE) {
-    absolute_t value;
-    char *endptr = NULL;
-
-    if (matches_num < 2)
-      return (-1);
-
-    value = (absolute_t)strtoull(matches[1], &endptr, 0);
-    if (matches[1] == endptr)
-      return (-1);
-
-    if (data->ds_type & UTILS_MATCH_CF_ABSOLUTE_SET)
-      data->value.absolute = value;
-    else {
-      ERROR("utils_match: default_callback: obj->ds_type is invalid!");
-      return (-1);
-    }
-
-    data->values_num++;
-  } else {
-    ERROR("utils_match: default_callback: obj->ds_type is invalid!");
-    return (-1);
-  }
-
-  return (0);
-} /* int default_callback */
-
-static void match_simple_free(void *data) {
-  cu_match_value_t *user_data = (cu_match_value_t *)data;
-  if (user_data->latency)
-    latency_counter_destroy(user_data->latency);
-
-  free(data);
-} /* void match_simple_free */
-
-/*
- * Public functions
- */
-cu_match_t *
-match_create_callback(const char *regex, const char *excluderegex,
-                      int (*callback)(const char *str, char *const *matches,
-                                      size_t matches_num, void *user_data),
-                      void *user_data,
-                      void (*free_user_data)(void *user_data)) {
-  cu_match_t *obj;
-  int status;
-
-  DEBUG("utils_match: match_create_callback: regex = %s, excluderegex = %s",
-        regex, excluderegex);
-
-  obj = calloc(1, sizeof(*obj));
-  if (obj == NULL)
-    return (NULL);
-
-  status = regcomp(&obj->regex, regex, REG_EXTENDED | REG_NEWLINE);
-  if (status != 0) {
-    ERROR("Compiling the regular expression \"%s\" failed.", regex);
-    sfree(obj);
-    return (NULL);
-  }
-  obj->flags |= UTILS_MATCH_FLAGS_REGEX;
-
-  if (excluderegex && strcmp(excluderegex, "") != 0) {
-    status = regcomp(&obj->excluderegex, excluderegex, REG_EXTENDED);
-    if (status != 0) {
-      ERROR("Compiling the excluding regular expression \"%s\" failed.",
-            excluderegex);
-      sfree(obj);
-      return (NULL);
-    }
-    obj->flags |= UTILS_MATCH_FLAGS_EXCLUDE_REGEX;
-  }
-
-  obj->callback = callback;
-  obj->user_data = user_data;
-  obj->free = free_user_data;
-
-  return (obj);
-} /* cu_match_t *match_create_callback */
-
-cu_match_t *match_create_simple(const char *regex, const char *excluderegex,
-                                int match_ds_type) {
-  cu_match_value_t *user_data;
-  cu_match_t *obj;
-
-  user_data = calloc(1, sizeof(*user_data));
-  if (user_data == NULL)
-    return (NULL);
-  user_data->ds_type = match_ds_type;
-
-  if ((match_ds_type & UTILS_MATCH_DS_TYPE_GAUGE) &&
-      (match_ds_type & UTILS_MATCH_CF_GAUGE_DIST)) {
-    user_data->latency = latency_counter_create();
-    if (user_data->latency == NULL) {
-      ERROR("match_create_simple(): latency_counter_create() failed.");
-      free(user_data);
-      return (NULL);
-    }
-  }
-
-  obj = match_create_callback(regex, excluderegex, default_callback, user_data,
-                              match_simple_free);
-  if (obj == NULL) {
-    if (user_data->latency)
-      latency_counter_destroy(user_data->latency);
-
-    sfree(user_data);
-    return (NULL);
-  }
-  return (obj);
-} /* cu_match_t *match_create_simple */
-
-void match_value_reset(cu_match_value_t *mv) {
-  if (mv == NULL)
-    return;
-
-  /* Reset GAUGE metrics only and except GAUGE_PERSIST. */
-  if ((mv->ds_type & UTILS_MATCH_DS_TYPE_GAUGE) &&
-      !(mv->ds_type & UTILS_MATCH_CF_GAUGE_PERSIST)) {
-    mv->value.gauge = NAN;
-    mv->values_num = 0;
-  }
-} /* }}} void match_value_reset */
-
-void match_destroy(cu_match_t *obj) {
-  if (obj == NULL)
-    return;
-
-  if (obj->flags & UTILS_MATCH_FLAGS_REGEX)
-    regfree(&obj->regex);
-  if (obj->flags & UTILS_MATCH_FLAGS_EXCLUDE_REGEX)
-    regfree(&obj->excluderegex);
-  if ((obj->user_data != NULL) && (obj->free != NULL))
-    (*obj->free)(obj->user_data);
-
-  sfree(obj);
-} /* void match_destroy */
-
-int match_apply(cu_match_t *obj, const char *str) {
-  int status;
-  regmatch_t re_match[32];
-  char *matches[32] = {0};
-  size_t matches_num;
-
-  if ((obj == NULL) || (str == NULL))
-    return (-1);
-
-  if (obj->flags & UTILS_MATCH_FLAGS_EXCLUDE_REGEX) {
-    status =
-        regexec(&obj->excluderegex, str, STATIC_ARRAY_SIZE(re_match), re_match,
-                /* eflags = */ 0);
-    /* Regex did match, so exclude this line */
-    if (status == 0) {
-      DEBUG("ExludeRegex matched, don't count that line\n");
-      return (0);
-    }
-  }
-
-  status = regexec(&obj->regex, str, STATIC_ARRAY_SIZE(re_match), re_match,
-                   /* eflags = */ 0);
-
-  /* Regex did not match */
-  if (status != 0)
-    return (0);
-
-  for (matches_num = 0; matches_num < STATIC_ARRAY_SIZE(matches);
-       matches_num++) {
-    if ((re_match[matches_num].rm_so < 0) || (re_match[matches_num].rm_eo < 0))
-      break;
-
-    matches[matches_num] = match_substr(str, re_match[matches_num].rm_so,
-                                        re_match[matches_num].rm_eo);
-    if (matches[matches_num] == NULL) {
-      status = -1;
-      break;
-    }
-  }
-
-  if (status != 0) {
-    ERROR("utils_match: match_apply: match_substr failed.");
-  } else {
-    status = obj->callback(str, matches, matches_num, obj->user_data);
-    if (status != 0) {
-      ERROR("utils_match: match_apply: callback failed.");
-    }
-  }
-
-  for (size_t i = 0; i < matches_num; i++) {
-    sfree(matches[i]);
-  }
-
-  return (status);
-} /* int match_apply */
-
-void *match_get_user_data(cu_match_t *obj) {
-  if (obj == NULL)
-    return (NULL);
-  return (obj->user_data);
-} /* void *match_get_user_data */
-
-/* vim: set sw=2 sts=2 ts=8 : */