--- /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 "utils/cmds/putval.h"
+#include "utils/common/common.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 = */ false);
+ 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 */
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