+++ /dev/null
-/**
- * collectd - src/utils_cmd_putval.c
- * Copyright (C) 2007-2009 Florian octo Forster
- * Copyright (C) 2016 Sebastian tokkee Harl
- *
- * 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>
- * Sebastian tokkee Harl <sh at tokkee.org>
- **/
-
-#include "collectd.h"
-
-#include "common.h"
-#include "utils_cmd_putval.h"
-
-/*
- * private helper functions
- */
-
-static int set_option(value_list_t *vl, const char *key, const char *value) {
- if ((vl == NULL) || (key == NULL) || (value == NULL))
- return -1;
-
- if (strcasecmp("interval", key) == 0) {
- double tmp;
- char *endptr;
-
- endptr = NULL;
- errno = 0;
- tmp = strtod(value, &endptr);
-
- if ((errno == 0) && (endptr != NULL) && (endptr != value) && (tmp > 0.0))
- vl->interval = DOUBLE_TO_CDTIME_T(tmp);
- } else
- return 1;
-
- return 0;
-} /* int set_option */
-
-/*
- * public API
- */
-
-cmd_status_t cmd_parse_putval(size_t argc, char **argv,
- cmd_putval_t *ret_putval,
- const cmd_options_t *opts,
- cmd_error_handler_t *err) {
- cmd_status_t result;
-
- char *identifier;
- char *hostname;
- char *plugin;
- char *plugin_instance;
- char *type;
- char *type_instance;
- int status;
-
- char *identifier_copy;
-
- const data_set_t *ds;
- value_list_t vl = VALUE_LIST_INIT;
-
- if ((ret_putval == NULL) || (opts == NULL)) {
- errno = EINVAL;
- cmd_error(CMD_ERROR, err, "Invalid arguments to cmd_parse_putval.");
- return CMD_ERROR;
- }
-
- if (argc < 2) {
- cmd_error(CMD_PARSE_ERROR, err, "Missing identifier and/or value-list.");
- return CMD_PARSE_ERROR;
- }
-
- identifier = argv[0];
-
- /* parse_identifier() modifies its first argument, returning pointers into
- * it; retain the old value for later. */
- identifier_copy = sstrdup(identifier);
-
- status =
- parse_identifier(identifier, &hostname, &plugin, &plugin_instance, &type,
- &type_instance, opts->identifier_default_host);
- if (status != 0) {
- DEBUG("cmd_handle_putval: Cannot parse identifier `%s'.", identifier_copy);
- cmd_error(CMD_PARSE_ERROR, err, "Cannot parse identifier `%s'.",
- identifier_copy);
- sfree(identifier_copy);
- return CMD_PARSE_ERROR;
- }
-
- if ((strlen(hostname) >= sizeof(vl.host)) ||
- (strlen(plugin) >= sizeof(vl.plugin)) ||
- ((plugin_instance != NULL) &&
- (strlen(plugin_instance) >= sizeof(vl.plugin_instance))) ||
- ((type_instance != NULL) &&
- (strlen(type_instance) >= sizeof(vl.type_instance)))) {
- cmd_error(CMD_PARSE_ERROR, err, "Identifier too long.");
- sfree(identifier_copy);
- return CMD_PARSE_ERROR;
- }
-
- sstrncpy(vl.host, hostname, sizeof(vl.host));
- sstrncpy(vl.plugin, plugin, sizeof(vl.plugin));
- sstrncpy(vl.type, type, sizeof(vl.type));
- if (plugin_instance != NULL)
- sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
- if (type_instance != NULL)
- sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
-
- ds = plugin_get_ds(type);
- if (ds == NULL) {
- cmd_error(CMD_PARSE_ERROR, err, "1 Type `%s' isn't defined.", type);
- sfree(identifier_copy);
- return CMD_PARSE_ERROR;
- }
-
- hostname = NULL;
- plugin = NULL;
- plugin_instance = NULL;
- type = NULL;
- type_instance = NULL;
-
- ret_putval->raw_identifier = identifier_copy;
- if (ret_putval->raw_identifier == NULL) {
- cmd_error(CMD_ERROR, err, "malloc failed.");
- cmd_destroy_putval(ret_putval);
- sfree(vl.values);
- return CMD_ERROR;
- }
-
- /* All the remaining fields are part of the option list. */
- result = CMD_OK;
- for (size_t i = 1; i < argc; ++i) {
- value_list_t *tmp;
-
- char *key = NULL;
- char *value = NULL;
-
- status = cmd_parse_option(argv[i], &key, &value, err);
- if (status == CMD_OK) {
- assert(key != NULL);
- assert(value != NULL);
- set_option(&vl, key, value);
- continue;
- } else if (status != CMD_NO_OPTION) {
- /* parse_option failed, buffer has been modified.
- * => we need to abort */
- result = status;
- break;
- }
- /* else: cmd_parse_option did not find an option; treat this as a
- * value list. */
-
- vl.values_len = ds->ds_num;
- vl.values = calloc(vl.values_len, sizeof(*vl.values));
- if (vl.values == NULL) {
- cmd_error(CMD_ERROR, err, "malloc failed.");
- result = CMD_ERROR;
- break;
- }
-
- status = parse_values(argv[i], &vl, ds);
- if (status != 0) {
- cmd_error(CMD_PARSE_ERROR, err, "Parsing the values string failed.");
- result = CMD_PARSE_ERROR;
- vl.values_len = 0;
- sfree(vl.values);
- break;
- }
-
- tmp = realloc(ret_putval->vl,
- (ret_putval->vl_num + 1) * sizeof(*ret_putval->vl));
- if (tmp == NULL) {
- cmd_error(CMD_ERROR, err, "realloc failed.");
- cmd_destroy_putval(ret_putval);
- result = CMD_ERROR;
- vl.values_len = 0;
- sfree(vl.values);
- break;
- }
-
- ret_putval->vl = tmp;
- ret_putval->vl_num++;
- memcpy(&ret_putval->vl[ret_putval->vl_num - 1], &vl, sizeof(vl));
-
- /* pointer is now owned by ret_putval->vl[] */
- vl.values_len = 0;
- vl.values = NULL;
- } /* while (*buffer != 0) */
- /* Done parsing the options. */
-
- if (result != CMD_OK)
- cmd_destroy_putval(ret_putval);
-
- return result;
-} /* cmd_status_t cmd_parse_putval */
-
-void cmd_destroy_putval(cmd_putval_t *putval) {
- if (putval == NULL)
- return;
-
- sfree(putval->raw_identifier);
-
- for (size_t i = 0; i < putval->vl_num; ++i) {
- sfree(putval->vl[i].values);
- meta_data_destroy(putval->vl[i].meta);
- putval->vl[i].meta = NULL;
- }
- sfree(putval->vl);
- putval->vl = NULL;
- putval->vl_num = 0;
-} /* void cmd_destroy_putval */
-
-cmd_status_t cmd_handle_putval(FILE *fh, char *buffer) {
- cmd_error_handler_t err = {cmd_error_fh, fh};
- cmd_t cmd;
-
- int status;
-
- DEBUG("utils_cmd_putval: cmd_handle_putval (fh = %p, buffer = %s);",
- (void *)fh, buffer);
-
- if ((status = cmd_parse(buffer, &cmd, NULL, &err)) != CMD_OK)
- return status;
- if (cmd.type != CMD_PUTVAL) {
- cmd_error(CMD_UNKNOWN_COMMAND, &err, "Unexpected command: `%s'.",
- CMD_TO_STRING(cmd.type));
- cmd_destroy(&cmd);
- return CMD_UNKNOWN_COMMAND;
- }
-
- for (size_t i = 0; i < cmd.cmd.putval.vl_num; ++i)
- plugin_dispatch_values(&cmd.cmd.putval.vl[i]);
-
- if (fh != stdout)
- cmd_error(CMD_OK, &err, "Success: %i %s been dispatched.",
- (int)cmd.cmd.putval.vl_num,
- (cmd.cmd.putval.vl_num == 1) ? "value has" : "values have");
-
- cmd_destroy(&cmd);
- return CMD_OK;
-} /* int cmd_handle_putval */
-
-int cmd_create_putval(char *ret, size_t ret_len, /* {{{ */
- const data_set_t *ds, const value_list_t *vl) {
- char buffer_ident[6 * DATA_MAX_NAME_LEN];
- char buffer_values[1024];
- int status;
-
- status = FORMAT_VL(buffer_ident, sizeof(buffer_ident), vl);
- if (status != 0)
- return status;
- escape_string(buffer_ident, sizeof(buffer_ident));
-
- status = format_values(buffer_values, sizeof(buffer_values), ds, vl,
- /* store rates = */ 0);
- if (status != 0)
- return status;
- escape_string(buffer_values, sizeof(buffer_values));
-
- snprintf(ret, ret_len, "PUTVAL %s interval=%.3f %s", buffer_ident,
- (vl->interval > 0) ? CDTIME_T_TO_DOUBLE(vl->interval)
- : CDTIME_T_TO_DOUBLE(plugin_get_interval()),
- buffer_values);
-
- return 0;
-} /* }}} int cmd_create_putval */
projects / collectd.git / blobdiff