/**
* 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 "utils_parse_option.h"
#include "utils_cmd_flush.h"
-int handle_flush (FILE *fh, char *buffer)
+cmd_status_t cmd_parse_flush (size_t argc, char **argv,
+ cmd_flush_t *ret_flush, cmd_error_handler_t *err)
{
- 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);
-
- if (strncasecmp ("FLUSH", buffer, strlen ("FLUSH")) != 0)
+ if (ret_flush == NULL)
{
- PRINT_TO_SOCK (fh, "-1 Cannot parse command.\n");
- return (-1);
+ 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;
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);
+ {
+ strarray_add (&ret_flush->plugins, &ret_flush->plugins_num,
+ opt_value);
+ }
else if (strcasecmp ("identifier", opt_key) == 0)
- strarray_add (&identifiers, &identifiers_num, opt_value);
+ {
+ 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) != 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);
+ ret_flush->timeout = strtod (opt_value, &endptr);
- if ((endptr == opt_value) || (errno != 0) || (!isfinite (timeout)))
+ if ((endptr == opt_value) || (errno != 0)
+ || (!isfinite (ret_flush->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);
+ 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 (timeout < 0.0)
+ else if (ret_flush->timeout < 0.0)
{
- 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 */
- for (size_t i = 0; (i == 0) || (i < plugins_num); i++)
+cmd_status_t cmd_handle_flush (FILE *fh, char *buffer)
+{
+ cmd_error_handler_t err = { cmd_error_fh, fh };
+ cmd_t cmd;
+
+ int success = 0;
+ int error = 0;
+ int status;
+
+ size_t i;
+
+ 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, &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 (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;
+ char buffer[1024];
int status;
- if (identifiers_num != 0)
- identifier = identifiers[j];
+ if (cmd.cmd.flush.identifiers_num != 0)
+ {
+ identifier_t *id = cmd.cmd.flush.identifiers + j;
+ if (format_name (buffer, sizeof (buffer),
+ id->host, id->plugin, id->plugin_instance,
+ id->type, id->type_instance) != 0)
+ {
+ error++;
+ continue;
+ }
+ identifier = buffer;
+ }
status = plugin_flush (plugin,
- DOUBLE_TO_CDTIME_T (timeout),
+ DOUBLE_TO_CDTIME_T (cmd.cmd.flush.timeout),
identifier);
if (status == 0)
success++;
}
}
- PRINT_TO_SOCK (fh, "0 Done: %i successful, %i errors\n",
+ cmd_error (CMD_OK, &err, "Done: %i successful, %i errors",
success, error);
- strarray_free (plugins, plugins_num);
- strarray_free (identifiers, identifiers_num);
+ 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;
+
+ sfree (flush->identifiers);
+ flush->identifiers_num = 0;
+} /* void cmd_destroy_flush */
/* vim: set sw=4 ts=4 tw=78 noexpandtab : */
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