#include "common.h"
-#include "configfile.h"
#include "plugin.h"
-#define log_err(...) ERROR ("table plugin: " __VA_ARGS__)
-#define log_warn(...) WARNING ("table plugin: " __VA_ARGS__)
+#define log_err(...) ERROR("table plugin: " __VA_ARGS__)
+#define log_warn(...) WARNING("table plugin: " __VA_ARGS__)
/*
* private data types
*/
typedef struct {
- char *type;
- char *instance_prefix;
- size_t *instances;
- size_t instances_num;
- size_t *values;
- size_t values_num;
-
- const data_set_t *ds;
+ char *type;
+ char *instance_prefix;
+ size_t *instances;
+ size_t instances_num;
+ size_t *values;
+ size_t values_num;
+
+ const data_set_t *ds;
} tbl_result_t;
typedef struct {
- char *file;
- char *sep;
- char *instance;
+ char *file;
+ char *sep;
+ char *plugin_name;
+ char *instance;
- tbl_result_t *results;
- size_t results_num;
+ tbl_result_t *results;
+ size_t results_num;
- size_t max_colnum;
+ size_t max_colnum;
} tbl_t;
-static void tbl_result_setup (tbl_result_t *res)
-{
- res->type = NULL;
+static void tbl_result_setup(tbl_result_t *res) {
+ res->type = NULL;
- res->instance_prefix = NULL;
- res->instances = NULL;
- res->instances_num = 0;
+ res->instance_prefix = NULL;
+ res->instances = NULL;
+ res->instances_num = 0;
- res->values = NULL;
- res->values_num = 0;
+ res->values = NULL;
+ res->values_num = 0;
- res->ds = NULL;
+ res->ds = NULL;
} /* tbl_result_setup */
-static void tbl_result_clear (tbl_result_t *res)
-{
- sfree (res->type);
+static void tbl_result_clear(tbl_result_t *res) {
+ sfree(res->type);
- sfree (res->instance_prefix);
- sfree (res->instances);
- res->instances_num = 0;
+ sfree(res->instance_prefix);
+ sfree(res->instances);
+ res->instances_num = 0;
- sfree (res->values);
- res->values_num = 0;
+ sfree(res->values);
+ res->values_num = 0;
- res->ds = NULL;
+ res->ds = NULL;
} /* tbl_result_clear */
-static void tbl_setup (tbl_t *tbl, char *file)
-{
- tbl->file = sstrdup (file);
- tbl->sep = NULL;
- tbl->instance = NULL;
+static void tbl_setup(tbl_t *tbl, char *file) {
+ tbl->file = sstrdup(file);
+ tbl->sep = NULL;
+ tbl->plugin_name = NULL;
+ tbl->instance = NULL;
- tbl->results = NULL;
- tbl->results_num = 0;
+ tbl->results = NULL;
+ tbl->results_num = 0;
- tbl->max_colnum = 0;
+ tbl->max_colnum = 0;
} /* tbl_setup */
-static void tbl_clear (tbl_t *tbl)
-{
- size_t i;
+static void tbl_clear(tbl_t *tbl) {
+ sfree(tbl->file);
+ sfree(tbl->sep);
+ sfree(tbl->plugin_name);
+ sfree(tbl->instance);
- sfree (tbl->file);
- sfree (tbl->sep);
- sfree (tbl->instance);
+ for (size_t i = 0; i < tbl->results_num; ++i)
+ tbl_result_clear(tbl->results + i);
+ sfree(tbl->results);
+ tbl->results_num = 0;
- for (i = 0; i < tbl->results_num; ++i)
- tbl_result_clear (tbl->results + i);
- sfree (tbl->results);
- tbl->results_num = 0;
-
- tbl->max_colnum = 0;
+ tbl->max_colnum = 0;
} /* tbl_clear */
static tbl_t *tables;
* configuration handling
*/
-static int tbl_config_set_s (char *name, char **var, oconfig_item_t *ci)
-{
- if ((1 != ci->values_num)
- || (OCONFIG_TYPE_STRING != ci->values[0].type)) {
- log_err ("\"%s\" expects a single string argument.", name);
- return 1;
- }
-
- sfree (*var);
- *var = sstrdup (ci->values[0].value.string);
- return 0;
+static int tbl_config_set_s(char *name, char **var, oconfig_item_t *ci) {
+ if ((1 != ci->values_num) || (OCONFIG_TYPE_STRING != ci->values[0].type)) {
+ log_err("\"%s\" expects a single string argument.", name);
+ return 1;
+ }
+
+ sfree(*var);
+ *var = sstrdup(ci->values[0].value.string);
+ return 0;
} /* tbl_config_set_separator */
-static int tbl_config_append_array_i (char *name, size_t **var, size_t *len,
- oconfig_item_t *ci)
-{
- size_t *tmp;
- size_t num;
- size_t i;
-
- if (1 > ci->values_num) {
- log_err ("\"%s\" expects at least one argument.", name);
- return 1;
- }
-
- num = (size_t) ci->values_num;
- for (i = 0; i < num; ++i) {
- if (OCONFIG_TYPE_NUMBER != ci->values[i].type) {
- log_err ("\"%s\" expects numerical arguments only.", name);
- return 1;
- }
- }
-
- tmp = realloc (*var, ((*len) + num) * sizeof (**var));
- if (NULL == tmp) {
- char errbuf[1024];
- log_err ("realloc failed: %s.",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return -1;
- }
- *var = tmp;
-
- for (i = 0; i < num; ++i) {
- (*var)[*len] = (size_t) ci->values[i].value.number;
- (*len)++;
- }
-
- return 0;
+static int tbl_config_append_array_i(char *name, size_t **var, size_t *len,
+ oconfig_item_t *ci) {
+ size_t *tmp;
+ size_t num;
+
+ if (1 > ci->values_num) {
+ log_err("\"%s\" expects at least one argument.", name);
+ return 1;
+ }
+
+ num = (size_t)ci->values_num;
+ for (size_t i = 0; i < num; ++i) {
+ if (OCONFIG_TYPE_NUMBER != ci->values[i].type) {
+ log_err("\"%s\" expects numerical arguments only.", name);
+ return 1;
+ }
+ }
+
+ tmp = realloc(*var, ((*len) + num) * sizeof(**var));
+ if (NULL == tmp) {
+ log_err("realloc failed: %s.", STRERRNO);
+ return -1;
+ }
+ *var = tmp;
+
+ for (size_t i = 0; i < num; ++i) {
+ (*var)[*len] = (size_t)ci->values[i].value.number;
+ (*len)++;
+ }
+
+ return 0;
} /* tbl_config_append_array_s */
-static int tbl_config_result (tbl_t *tbl, oconfig_item_t *ci)
-{
- tbl_result_t *res;
-
- int status = 0;
- int i;
-
- if (0 != ci->values_num) {
- log_err ("<Result> does not expect any arguments.");
- return 1;
- }
-
- res = realloc (tbl->results,
- (tbl->results_num + 1) * sizeof (*tbl->results));
- if (res == NULL) {
- char errbuf[1024];
- log_err ("realloc failed: %s.",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return -1;
- }
-
- tbl->results = res;
- ++tbl->results_num;
-
- res = tbl->results + tbl->results_num - 1;
- tbl_result_setup (res);
-
- for (i = 0; i < ci->children_num; ++i) {
- oconfig_item_t *c = ci->children + i;
-
- if (0 == strcasecmp (c->key, "Type"))
- tbl_config_set_s (c->key, &res->type, c);
- else if (0 == strcasecmp (c->key, "InstancePrefix"))
- tbl_config_set_s (c->key, &res->instance_prefix, c);
- else if (0 == strcasecmp (c->key, "InstancesFrom"))
- tbl_config_append_array_i (c->key,
- &res->instances, &res->instances_num, c);
- else if (0 == strcasecmp (c->key, "ValuesFrom"))
- tbl_config_append_array_i (c->key,
- &res->values, &res->values_num, c);
- else
- log_warn ("Ignoring unknown config key \"%s\" "
- " in <Result>.", c->key);
- }
-
- if (NULL == res->type) {
- log_err ("No \"Type\" option specified for <Result> "
- "in table \"%s\".", tbl->file);
- status = 1;
- }
-
- if (NULL == res->values) {
- log_err ("No \"ValuesFrom\" option specified for <Result> "
- "in table \"%s\".", tbl->file);
- status = 1;
- }
-
- if (0 != status) {
- tbl_result_clear (res);
- --tbl->results_num;
- return status;
- }
- return 0;
+static int tbl_config_result(tbl_t *tbl, oconfig_item_t *ci) {
+ tbl_result_t *res;
+
+ int status = 0;
+
+ if (0 != ci->values_num) {
+ log_err("<Result> does not expect any arguments.");
+ return 1;
+ }
+
+ res = realloc(tbl->results, (tbl->results_num + 1) * sizeof(*tbl->results));
+ if (res == NULL) {
+ log_err("realloc failed: %s.", STRERRNO);
+ return -1;
+ }
+
+ tbl->results = res;
+ ++tbl->results_num;
+
+ res = tbl->results + tbl->results_num - 1;
+ tbl_result_setup(res);
+
+ for (int i = 0; i < ci->children_num; ++i) {
+ oconfig_item_t *c = ci->children + i;
+
+ if (0 == strcasecmp(c->key, "Type"))
+ tbl_config_set_s(c->key, &res->type, c);
+ else if (0 == strcasecmp(c->key, "InstancePrefix"))
+ tbl_config_set_s(c->key, &res->instance_prefix, c);
+ else if (0 == strcasecmp(c->key, "InstancesFrom"))
+ tbl_config_append_array_i(c->key, &res->instances, &res->instances_num,
+ c);
+ else if (0 == strcasecmp(c->key, "ValuesFrom"))
+ tbl_config_append_array_i(c->key, &res->values, &res->values_num, c);
+ else
+ log_warn("Ignoring unknown config key \"%s\" "
+ " in <Result>.",
+ c->key);
+ }
+
+ if (NULL == res->type) {
+ log_err("No \"Type\" option specified for <Result> "
+ "in table \"%s\".",
+ tbl->file);
+ status = 1;
+ }
+
+ if (NULL == res->values) {
+ log_err("No \"ValuesFrom\" option specified for <Result> "
+ "in table \"%s\".",
+ tbl->file);
+ status = 1;
+ }
+
+ if (0 != status) {
+ tbl_result_clear(res);
+ --tbl->results_num;
+ return status;
+ }
+ return 0;
} /* tbl_config_result */
-static int tbl_config_table (oconfig_item_t *ci)
-{
- tbl_t *tbl;
-
- int status = 0;
- size_t i;
-
- if ((1 != ci->values_num)
- || (OCONFIG_TYPE_STRING != ci->values[0].type)) {
- log_err ("<Table> expects a single string argument.");
- return 1;
- }
-
- tbl = realloc (tables, (tables_num + 1) * sizeof (*tables));
- if (NULL == tbl) {
- char errbuf[1024];
- log_err ("realloc failed: %s.",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return -1;
- }
-
- tables = tbl;
- ++tables_num;
-
- tbl = tables + tables_num - 1;
- tbl_setup (tbl, ci->values[0].value.string);
-
- for (i = 0; i < ((size_t) ci->children_num); ++i) {
- oconfig_item_t *c = ci->children + i;
-
- if (0 == strcasecmp (c->key, "Separator"))
- tbl_config_set_s (c->key, &tbl->sep, c);
- else if (0 == strcasecmp (c->key, "Instance"))
- tbl_config_set_s (c->key, &tbl->instance, c);
- else if (0 == strcasecmp (c->key, "Result"))
- tbl_config_result (tbl, c);
- else
- log_warn ("Ignoring unknown config key \"%s\" "
- "in <Table %s>.", c->key, tbl->file);
- }
-
- if (NULL == tbl->sep) {
- log_err ("Table \"%s\" does not specify any separator.", tbl->file);
- status = 1;
- } else {
- strunescape (tbl->sep, strlen (tbl->sep) + 1);
- }
-
- if (NULL == tbl->instance) {
- tbl->instance = sstrdup (tbl->file);
- replace_special (tbl->instance, strlen (tbl->instance));
- }
-
- if (NULL == tbl->results) {
- log_err ("Table \"%s\" does not specify any (valid) results.",
- tbl->file);
- status = 1;
- }
-
- if (0 != status) {
- tbl_clear (tbl);
- --tables_num;
- return status;
- }
-
- for (i = 0; i < tbl->results_num; ++i) {
- tbl_result_t *res = tbl->results + i;
- size_t j;
-
- for (j = 0; j < res->instances_num; ++j)
- if (res->instances[j] > tbl->max_colnum)
- tbl->max_colnum = res->instances[j];
-
- for (j = 0; j < res->values_num; ++j)
- if (res->values[j] > tbl->max_colnum)
- tbl->max_colnum = res->values[j];
- }
- return 0;
+static int tbl_config_table(oconfig_item_t *ci) {
+ tbl_t *tbl;
+
+ int status = 0;
+
+ if ((1 != ci->values_num) || (OCONFIG_TYPE_STRING != ci->values[0].type)) {
+ log_err("<Table> expects a single string argument.");
+ return 1;
+ }
+
+ tbl = realloc(tables, (tables_num + 1) * sizeof(*tables));
+ if (NULL == tbl) {
+ log_err("realloc failed: %s.", STRERRNO);
+ return -1;
+ }
+
+ tables = tbl;
+ ++tables_num;
+
+ tbl = tables + tables_num - 1;
+ tbl_setup(tbl, ci->values[0].value.string);
+
+ for (size_t i = 0; i < ((size_t)ci->children_num); ++i) {
+ oconfig_item_t *c = ci->children + i;
+
+ if (0 == strcasecmp(c->key, "Separator"))
+ tbl_config_set_s(c->key, &tbl->sep, c);
+ else if (0 == strcasecmp(c->key, "Plugin"))
+ tbl_config_set_s(c->key, &tbl->plugin_name, c);
+ else if (0 == strcasecmp(c->key, "Instance"))
+ tbl_config_set_s(c->key, &tbl->instance, c);
+ else if (0 == strcasecmp(c->key, "Result"))
+ tbl_config_result(tbl, c);
+ else
+ log_warn("Ignoring unknown config key \"%s\" "
+ "in <Table %s>.",
+ c->key, tbl->file);
+ }
+
+ if (NULL == tbl->sep) {
+ log_err("Table \"%s\" does not specify any separator.", tbl->file);
+ status = 1;
+ } else {
+ strunescape(tbl->sep, strlen(tbl->sep) + 1);
+ }
+
+ if (NULL == tbl->instance) {
+ tbl->instance = sstrdup(tbl->file);
+ replace_special(tbl->instance, strlen(tbl->instance));
+ }
+
+ if (NULL == tbl->results) {
+ log_err("Table \"%s\" does not specify any (valid) results.", tbl->file);
+ status = 1;
+ }
+
+ if (0 != status) {
+ tbl_clear(tbl);
+ --tables_num;
+ return status;
+ }
+
+ for (size_t i = 0; i < tbl->results_num; ++i) {
+ tbl_result_t *res = tbl->results + i;
+
+ for (size_t j = 0; j < res->instances_num; ++j)
+ if (res->instances[j] > tbl->max_colnum)
+ tbl->max_colnum = res->instances[j];
+
+ for (size_t j = 0; j < res->values_num; ++j)
+ if (res->values[j] > tbl->max_colnum)
+ tbl->max_colnum = res->values[j];
+ }
+ return 0;
} /* tbl_config_table */
-static int tbl_config (oconfig_item_t *ci)
-{
- int i;
-
- for (i = 0; i < ci->children_num; ++i) {
- oconfig_item_t *c = ci->children + i;
+static int tbl_config(oconfig_item_t *ci) {
+ for (int i = 0; i < ci->children_num; ++i) {
+ oconfig_item_t *c = ci->children + i;
- if (0 == strcasecmp (c->key, "Table"))
- tbl_config_table (c);
- else
- log_warn ("Ignoring unknown config key \"%s\".", c->key);
- }
- return 0;
+ if (0 == strcasecmp(c->key, "Table"))
+ tbl_config_table(c);
+ else
+ log_warn("Ignoring unknown config key \"%s\".", c->key);
+ }
+ return 0;
} /* tbl_config */
/*
* result handling
*/
-static int tbl_prepare (tbl_t *tbl)
-{
- size_t i;
-
- for (i = 0; i < tbl->results_num; ++i) {
- tbl_result_t *res = tbl->results + i;
-
- res->ds = plugin_get_ds (res->type);
- if (NULL == res->ds) {
- log_err ("Unknown type \"%s\". See types.db(5) for details.",
- res->type);
- return -1;
- }
-
- if (res->values_num != res->ds->ds_num) {
- log_err ("Invalid type \"%s\". Expected %zu data source%s, "
- "got %zu.", res->type, res->values_num,
- (1 == res->values_num) ? "" : "s",
- res->ds->ds_num);
- return -1;
- }
- }
- return 0;
+static int tbl_prepare(tbl_t *tbl) {
+ for (size_t i = 0; i < tbl->results_num; ++i) {
+ tbl_result_t *res = tbl->results + i;
+
+ res->ds = plugin_get_ds(res->type);
+ if (NULL == res->ds) {
+ log_err("Unknown type \"%s\". See types.db(5) for details.", res->type);
+ return -1;
+ }
+
+ if (res->values_num != res->ds->ds_num) {
+ log_err("Invalid type \"%s\". Expected %zu data source%s, "
+ "got %zu.",
+ res->type, res->values_num, (1 == res->values_num) ? "" : "s",
+ res->ds->ds_num);
+ return -1;
+ }
+ }
+ return 0;
} /* tbl_prepare */
-static int tbl_finish (tbl_t *tbl)
-{
- size_t i;
-
- for (i = 0; i < tbl->results_num; ++i)
- tbl->results[i].ds = NULL;
- return 0;
+static int tbl_finish(tbl_t *tbl) {
+ for (size_t i = 0; i < tbl->results_num; ++i)
+ tbl->results[i].ds = NULL;
+ return 0;
} /* tbl_finish */
-static int tbl_result_dispatch (tbl_t *tbl, tbl_result_t *res,
- char **fields, size_t fields_num)
-{
- value_list_t vl = VALUE_LIST_INIT;
- value_t values[res->values_num];
-
- size_t i;
-
- assert (NULL != res->ds);
- assert (res->values_num == res->ds->ds_num);
-
- for (i = 0; i < res->values_num; ++i) {
- char *value;
-
- assert (res->values[i] < fields_num);
- value = fields[res->values[i]];
-
- if (0 != parse_value (value, &values[i], res->ds->ds[i].type))
- return -1;
- }
-
- vl.values = values;
- vl.values_len = STATIC_ARRAY_SIZE (values);
-
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "table", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, tbl->instance, sizeof (vl.plugin_instance));
- sstrncpy (vl.type, res->type, sizeof (vl.type));
-
- if (0 == res->instances_num) {
- if (NULL != res->instance_prefix)
- sstrncpy (vl.type_instance, res->instance_prefix,
- sizeof (vl.type_instance));
- }
- else {
- char *instances[res->instances_num];
- char instances_str[DATA_MAX_NAME_LEN];
-
- for (i = 0; i < res->instances_num; ++i) {
- assert (res->instances[i] < fields_num);
- instances[i] = fields[res->instances[i]];
- }
-
- strjoin (instances_str, sizeof (instances_str),
- instances, STATIC_ARRAY_SIZE (instances), "-");
- instances_str[sizeof (instances_str) - 1] = '\0';
-
- vl.type_instance[sizeof (vl.type_instance) - 1] = '\0';
- if (NULL == res->instance_prefix)
- strncpy (vl.type_instance, instances_str,
- sizeof (vl.type_instance));
- else
- snprintf (vl.type_instance, sizeof (vl.type_instance),
- "%s-%s", res->instance_prefix, instances_str);
-
- if ('\0' != vl.type_instance[sizeof (vl.type_instance) - 1]) {
- vl.type_instance[sizeof (vl.type_instance) - 1] = '\0';
- log_warn ("Truncated type instance: %s.", vl.type_instance);
- }
- }
-
- plugin_dispatch_values (&vl);
- return 0;
+static int tbl_result_dispatch(tbl_t *tbl, tbl_result_t *res, char **fields,
+ size_t fields_num) {
+ value_list_t vl = VALUE_LIST_INIT;
+ value_t values[res->values_num];
+
+ assert(NULL != res->ds);
+ assert(res->values_num == res->ds->ds_num);
+
+ for (size_t i = 0; i < res->values_num; ++i) {
+ char *value;
+
+ assert(res->values[i] < fields_num);
+ value = fields[res->values[i]];
+
+ if (0 != parse_value(value, &values[i], res->ds->ds[i].type))
+ return -1;
+ }
+
+ vl.values = values;
+ vl.values_len = STATIC_ARRAY_SIZE(values);
+
+ sstrncpy(vl.plugin, (tbl->plugin_name != NULL) ? tbl->plugin_name : "table",
+ sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, tbl->instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, res->type, sizeof(vl.type));
+
+ if (0 == res->instances_num) {
+ if (NULL != res->instance_prefix)
+ sstrncpy(vl.type_instance, res->instance_prefix,
+ sizeof(vl.type_instance));
+ } else {
+ char *instances[res->instances_num];
+ char instances_str[DATA_MAX_NAME_LEN];
+
+ for (size_t i = 0; i < res->instances_num; ++i) {
+ assert(res->instances[i] < fields_num);
+ instances[i] = fields[res->instances[i]];
+ }
+
+ strjoin(instances_str, sizeof(instances_str), instances,
+ STATIC_ARRAY_SIZE(instances), "-");
+ instances_str[sizeof(instances_str) - 1] = '\0';
+
+ vl.type_instance[sizeof(vl.type_instance) - 1] = '\0';
+ if (NULL == res->instance_prefix)
+ strncpy(vl.type_instance, instances_str, sizeof(vl.type_instance));
+ else
+ snprintf(vl.type_instance, sizeof(vl.type_instance), "%s-%s",
+ res->instance_prefix, instances_str);
+
+ if ('\0' != vl.type_instance[sizeof(vl.type_instance) - 1]) {
+ vl.type_instance[sizeof(vl.type_instance) - 1] = '\0';
+ log_warn("Truncated type instance: %s.", vl.type_instance);
+ }
+ }
+
+ plugin_dispatch_values(&vl);
+ return 0;
} /* tbl_result_dispatch */
-static int tbl_parse_line (tbl_t *tbl, char *line, size_t len)
-{
- char *fields[tbl->max_colnum + 1];
- char *ptr, *saveptr;
-
- size_t i;
-
- i = 0;
- ptr = line;
- saveptr = NULL;
- while (NULL != (fields[i] = strtok_r (ptr, tbl->sep, &saveptr))) {
- ptr = NULL;
- ++i;
-
- if (i > tbl->max_colnum)
- break;
- }
-
- if (i <= tbl->max_colnum) {
- log_warn ("Not enough columns in line "
- "(expected at least %zu, got %zu).",
- tbl->max_colnum + 1, i);
- return -1;
- }
-
- for (i = 0; i < tbl->results_num; ++i)
- if (0 != tbl_result_dispatch (tbl, tbl->results + i,
- fields, STATIC_ARRAY_SIZE (fields))) {
- log_err ("Failed to dispatch result.");
- continue;
- }
- return 0;
+static int tbl_parse_line(tbl_t *tbl, char *line, size_t len) {
+ char *fields[tbl->max_colnum + 1];
+ char *ptr, *saveptr;
+
+ size_t i = 0;
+
+ ptr = line;
+ saveptr = NULL;
+ while (NULL != (fields[i] = strtok_r(ptr, tbl->sep, &saveptr))) {
+ ptr = NULL;
+ ++i;
+
+ if (i > tbl->max_colnum)
+ break;
+ }
+
+ if (i <= tbl->max_colnum) {
+ log_warn("Not enough columns in line "
+ "(expected at least %zu, got %zu).",
+ tbl->max_colnum + 1, i);
+ return -1;
+ }
+
+ for (i = 0; i < tbl->results_num; ++i)
+ if (0 != tbl_result_dispatch(tbl, tbl->results + i, fields,
+ STATIC_ARRAY_SIZE(fields))) {
+ log_err("Failed to dispatch result.");
+ continue;
+ }
+ return 0;
} /* tbl_parse_line */
-static int tbl_read_table (tbl_t *tbl)
-{
- FILE *fh;
- char buf[4096];
-
- fh = fopen (tbl->file, "r");
- if (NULL == fh) {
- char errbuf[1024];
- log_err ("Failed to open file \"%s\": %s.", tbl->file,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return -1;
- }
-
- buf[sizeof (buf) - 1] = '\0';
- while (NULL != fgets (buf, sizeof (buf), fh)) {
- if ('\0' != buf[sizeof (buf) - 1]) {
- buf[sizeof (buf) - 1] = '\0';
- log_warn ("Table %s: Truncated line: %s", tbl->file, buf);
- }
-
- if (0 != tbl_parse_line (tbl, buf, sizeof (buf))) {
- log_warn ("Table %s: Failed to parse line: %s", tbl->file, buf);
- continue;
- }
- }
-
- if (0 != ferror (fh)) {
- char errbuf[1024];
- log_err ("Failed to read from file \"%s\": %s.", tbl->file,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- fclose (fh);
- return -1;
- }
-
- fclose (fh);
- return 0;
+static int tbl_read_table(tbl_t *tbl) {
+ FILE *fh;
+ char buf[4096];
+
+ fh = fopen(tbl->file, "r");
+ if (NULL == fh) {
+ log_err("Failed to open file \"%s\": %s.", tbl->file, STRERRNO);
+ return -1;
+ }
+
+ buf[sizeof(buf) - 1] = '\0';
+ while (NULL != fgets(buf, sizeof(buf), fh)) {
+ if ('\0' != buf[sizeof(buf) - 1]) {
+ buf[sizeof(buf) - 1] = '\0';
+ log_warn("Table %s: Truncated line: %s", tbl->file, buf);
+ }
+
+ if (0 != tbl_parse_line(tbl, buf, sizeof(buf))) {
+ log_warn("Table %s: Failed to parse line: %s", tbl->file, buf);
+ continue;
+ }
+ }
+
+ if (0 != ferror(fh)) {
+ log_err("Failed to read from file \"%s\": %s.", tbl->file, STRERRNO);
+ fclose(fh);
+ return -1;
+ }
+
+ fclose(fh);
+ return 0;
} /* tbl_read_table */
/*
* collectd callbacks
*/
-static int tbl_read (void)
-{
- int status = -1;
- size_t i;
+static int tbl_read(void) {
+ int status = -1;
- if (0 == tables_num)
- return 0;
+ if (0 == tables_num)
+ return 0;
- for (i = 0; i < tables_num; ++i) {
- tbl_t *tbl = tables + i;
+ for (size_t i = 0; i < tables_num; ++i) {
+ tbl_t *tbl = tables + i;
- if (0 != tbl_prepare (tbl)) {
- log_err ("Failed to prepare and parse table \"%s\".", tbl->file);
- continue;
- }
+ if (0 != tbl_prepare(tbl)) {
+ log_err("Failed to prepare and parse table \"%s\".", tbl->file);
+ continue;
+ }
- if (0 == tbl_read_table (tbl))
- status = 0;
+ if (0 == tbl_read_table(tbl))
+ status = 0;
- tbl_finish (tbl);
- }
- return status;
+ tbl_finish(tbl);
+ }
+ return status;
} /* tbl_read */
-static int tbl_shutdown (void)
-{
- size_t i;
-
- for (i = 0; i < tables_num; ++i)
- tbl_clear (&tables[i]);
- sfree (tables);
- return 0;
+static int tbl_shutdown(void) {
+ for (size_t i = 0; i < tables_num; ++i)
+ tbl_clear(&tables[i]);
+ sfree(tables);
+ return 0;
} /* tbl_shutdown */
-static int tbl_init (void)
-{
- if (0 == tables_num)
- return 0;
+static int tbl_init(void) {
+ if (0 == tables_num)
+ return 0;
- plugin_register_read ("table", tbl_read);
- plugin_register_shutdown ("table", tbl_shutdown);
- return 0;
+ plugin_register_read("table", tbl_read);
+ plugin_register_shutdown("table", tbl_shutdown);
+ return 0;
} /* tbl_init */
-void module_register (void)
-{
- plugin_register_complex_config ("table", tbl_config);
- plugin_register_init ("table", tbl_init);
+void module_register(void) {
+ plugin_register_complex_config("table", tbl_config);
+ plugin_register_init("table", tbl_init);
} /* module_register */
-
-/* vim: set sw=4 ts=4 tw=78 noexpandtab : */