/**
* collectd - src/utils_cmd_flush.c
- * Copyright (C) 2008 Sebastian Harl
+ * Copyright (C) 2008, 2016 Sebastian Harl
* Copyright (C) 2008 Florian Forster
*
* Permission is hereby granted, free of charge, to any person obtaining a
#include "common.h"
#include "plugin.h"
#include "utils_cmd_flush.h"
-#include "utils_parse_option.h"
-int handle_flush(FILE *fh, char *buffer) {
- int success = 0;
- int error = 0;
-
- double timeout = 0.0;
- char **plugins = NULL;
- size_t plugins_num = 0;
- char **identifiers = NULL;
- size_t identifiers_num = 0;
-
-#define PRINT_TO_SOCK(fh, ...) \
- do { \
- if (fprintf(fh, __VA_ARGS__) < 0) { \
- char errbuf[1024]; \
- WARNING("handle_flush: failed to write to socket #%i: %s", fileno(fh), \
- sstrerror(errno, errbuf, sizeof(errbuf))); \
- strarray_free(plugins, plugins_num); \
- strarray_free(identifiers, identifiers_num); \
- return -1; \
- } \
- fflush(fh); \
- } while (0)
-
- if ((fh == NULL) || (buffer == NULL))
- return (-1);
-
- DEBUG("utils_cmd_flush: handle_flush (fh = %p, buffer = %s);", (void *)fh,
- buffer);
+cmd_status_t cmd_parse_flush(size_t argc, char **argv, cmd_flush_t *ret_flush,
+ const cmd_options_t *opts,
+ cmd_error_handler_t *err) {
- if (strncasecmp("FLUSH", buffer, strlen("FLUSH")) != 0) {
- PRINT_TO_SOCK(fh, "-1 Cannot parse command.\n");
- return (-1);
+ if ((ret_flush == NULL) || (opts == NULL)) {
+ errno = EINVAL;
+ cmd_error(CMD_ERROR, err, "Invalid arguments to cmd_parse_flush.");
+ return CMD_ERROR;
}
- buffer += strlen("FLUSH");
- while (*buffer != 0) {
+ for (size_t i = 0; i < argc; i++) {
char *opt_key;
char *opt_value;
int status;
opt_key = NULL;
opt_value = NULL;
- status = parse_option(&buffer, &opt_key, &opt_value);
+ status = cmd_parse_option(argv[i], &opt_key, &opt_value, err);
if (status != 0) {
- PRINT_TO_SOCK(fh, "-1 Parsing options failed.\n");
- strarray_free(plugins, plugins_num);
- strarray_free(identifiers, identifiers_num);
- return (-1);
+ if (status == CMD_NO_OPTION)
+ cmd_error(CMD_PARSE_ERROR, err, "Invalid option string `%s'.", argv[i]);
+ cmd_destroy_flush(ret_flush);
+ return CMD_PARSE_ERROR;
}
- if (strcasecmp("plugin", opt_key) == 0)
- strarray_add(&plugins, &plugins_num, opt_value);
- else if (strcasecmp("identifier", opt_key) == 0)
- strarray_add(&identifiers, &identifiers_num, opt_value);
- else if (strcasecmp("timeout", opt_key) == 0) {
+ if (strcasecmp("plugin", opt_key) == 0) {
+ strarray_add(&ret_flush->plugins, &ret_flush->plugins_num, opt_value);
+ } else if (strcasecmp("identifier", opt_key) == 0) {
+ identifier_t *id =
+ realloc(ret_flush->identifiers,
+ (ret_flush->identifiers_num + 1) * sizeof(*id));
+ if (id == NULL) {
+ cmd_error(CMD_ERROR, err, "realloc failed.");
+ cmd_destroy_flush(ret_flush);
+ return CMD_ERROR;
+ }
+
+ ret_flush->identifiers = id;
+ id = ret_flush->identifiers + ret_flush->identifiers_num;
+ ret_flush->identifiers_num++;
+ if (parse_identifier(opt_value, &id->host, &id->plugin,
+ &id->plugin_instance, &id->type, &id->type_instance,
+ opts->identifier_default_host) != 0) {
+ cmd_error(CMD_PARSE_ERROR, err, "Invalid identifier `%s'.", opt_value);
+ cmd_destroy_flush(ret_flush);
+ return CMD_PARSE_ERROR;
+ }
+ } else if (strcasecmp("timeout", opt_key) == 0) {
char *endptr;
errno = 0;
endptr = NULL;
- timeout = strtod(opt_value, &endptr);
-
- if ((endptr == opt_value) || (errno != 0) || (!isfinite(timeout))) {
- PRINT_TO_SOCK(fh, "-1 Invalid value for option `timeout': "
- "%s\n",
- opt_value);
- strarray_free(plugins, plugins_num);
- strarray_free(identifiers, identifiers_num);
- return (-1);
- } else if (timeout < 0.0) {
- timeout = 0.0;
+ ret_flush->timeout = strtod(opt_value, &endptr);
+
+ if ((endptr == opt_value) || (errno != 0) ||
+ (!isfinite(ret_flush->timeout))) {
+ cmd_error(CMD_PARSE_ERROR, err,
+ "Invalid value for option `timeout': %s", opt_value);
+ cmd_destroy_flush(ret_flush);
+ return CMD_PARSE_ERROR;
+ } else if (ret_flush->timeout < 0.0) {
+ ret_flush->timeout = 0.0;
}
} else {
- PRINT_TO_SOCK(fh, "-1 Cannot parse option %s\n", opt_key);
- strarray_free(plugins, plugins_num);
- strarray_free(identifiers, identifiers_num);
- return (-1);
+ cmd_error(CMD_PARSE_ERROR, err, "Cannot parse option `%s'.", opt_key);
+ cmd_destroy_flush(ret_flush);
+ return CMD_PARSE_ERROR;
}
- } /* while (*buffer != 0) */
+ }
+
+ return CMD_OK;
+} /* cmd_status_t cmd_parse_flush */
+
+cmd_status_t cmd_handle_flush(FILE *fh, char *buffer) {
+ cmd_error_handler_t err = {cmd_error_fh, fh};
+ cmd_t cmd;
- for (size_t i = 0; (i == 0) || (i < plugins_num); i++) {
+ int success = 0;
+ int error = 0;
+ int status;
+
+ if ((fh == NULL) || (buffer == NULL))
+ return -1;
+
+ DEBUG("utils_cmd_flush: cmd_handle_flush (fh = %p, buffer = %s);", (void *)fh,
+ buffer);
+
+ if ((status = cmd_parse(buffer, &cmd, NULL, &err)) != CMD_OK)
+ return status;
+ if (cmd.type != CMD_FLUSH) {
+ 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 == 0) || (i < cmd.cmd.flush.plugins_num); i++) {
char *plugin = NULL;
- if (plugins_num != 0)
- plugin = plugins[i];
+ if (cmd.cmd.flush.plugins_num != 0)
+ plugin = cmd.cmd.flush.plugins[i];
- for (size_t j = 0; (j == 0) || (j < identifiers_num); j++) {
+ for (size_t j = 0; (j == 0) || (j < cmd.cmd.flush.identifiers_num); j++) {
char *identifier = NULL;
- int status;
-
- if (identifiers_num != 0)
- identifier = identifiers[j];
+ char buf[1024];
+
+ if (cmd.cmd.flush.identifiers_num != 0) {
+ identifier_t *id = cmd.cmd.flush.identifiers + j;
+ if (format_name(buf, sizeof(buf), id->host, id->plugin,
+ id->plugin_instance, id->type,
+ id->type_instance) != 0) {
+ error++;
+ continue;
+ }
+ identifier = buf;
+ }
- status = plugin_flush(plugin, DOUBLE_TO_CDTIME_T(timeout), identifier);
- if (status == 0)
+ if (plugin_flush(plugin, DOUBLE_TO_CDTIME_T(cmd.cmd.flush.timeout),
+ identifier) == 0)
success++;
else
error++;
}
}
- PRINT_TO_SOCK(fh, "0 Done: %i successful, %i errors\n", success, error);
+ cmd_error(CMD_OK, &err, "Done: %i successful, %i errors", success, error);
- strarray_free(plugins, plugins_num);
- strarray_free(identifiers, identifiers_num);
- return (0);
+ cmd_destroy(&cmd);
+ return 0;
#undef PRINT_TO_SOCK
-} /* int handle_flush */
+} /* cmd_status_t cmd_handle_flush */
+
+void cmd_destroy_flush(cmd_flush_t *flush) {
+ if (flush == NULL)
+ return;
+
+ strarray_free(flush->plugins, flush->plugins_num);
+ flush->plugins = NULL;
+ flush->plugins_num = 0;
-/* vim: set sw=4 ts=4 tw=78 noexpandtab : */
+ sfree(flush->identifiers);
+ flush->identifiers_num = 0;
+} /* void cmd_destroy_flush */
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