X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Futils_cmd_putval.c;h=91b70160f063590e477cd415253e38d1099abc1b;hb=a94f533;hp=8fbc8de3469325005c4cf6d59dac0eb8d863d2e2;hpb=089d33f1f455da115ca0c87160df8dbd49286377;p=collectd.git diff --git a/src/utils_cmd_putval.c b/src/utils_cmd_putval.c index 8fbc8de3..91b70160 100644 --- a/src/utils_cmd_putval.c +++ b/src/utils_cmd_putval.c @@ -1,6 +1,6 @@ /** * collectd - src/utils_cms_putval.c - * Copyright (C) 2007 Florian octo Forster + * Copyright (C) 2007,2008 Florian octo Forster * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -23,6 +23,8 @@ #include "common.h" #include "plugin.h" +#include "utils_parse_option.h" + #define print_to_socket(fh, ...) \ if (fprintf (fh, __VA_ARGS__) < 0) { \ char errbuf[1024]; \ @@ -93,24 +95,23 @@ static int parse_value (const data_set_t *ds, value_list_t *vl, return (0); } /* int parse_value */ -static int parse_option (value_list_t *vl, char *buffer) +static int set_option (value_list_t *vl, const char *key, const char *value) { - char *option = buffer; - char *value; - - if ((vl == NULL) || (option == NULL)) - return (-1); - - value = strchr (option, '='); - if (value == NULL) + if ((vl == NULL) || (key == NULL) || (value == NULL)) return (-1); - *value = '\0'; value++; - if (strcasecmp ("interval", option) == 0) + if (strcasecmp ("interval", key) == 0) { - vl->interval = atoi (value); - if (vl->interval <= 0) - vl->interval = interval_g; + int tmp; + char *endptr; + + endptr = NULL; + errno = 0; + tmp = strtol (value, &endptr, 0); + + if ((errno == 0) && (endptr != NULL) + && (endptr != value) && (tmp > 0)) + vl->interval = tmp; } else return (1); @@ -118,42 +119,63 @@ static int parse_option (value_list_t *vl, char *buffer) return (0); } /* int parse_option */ -int handle_putval (FILE *fh, char **fields, int fields_num) +int handle_putval (FILE *fh, char *buffer) { + char *command; + char *identifier; char *hostname; char *plugin; char *plugin_instance; char *type; char *type_instance; int status; - int i; + int values_submitted; char *identifier_copy; const data_set_t *ds; value_list_t vl = VALUE_LIST_INIT; - if (fields_num < 3) + DEBUG ("utils_cmd_putval: handle_putval (fh = %p, buffer = %s);", + (void *) fh, buffer); + + command = NULL; + status = parse_string (&buffer, &command); + if (status != 0) { - DEBUG ("cmd putval: Wrong number of fields: %i", - fields_num); - print_to_socket (fh, "-1 Wrong number of fields: Got %i, " - "expected at least 3.\n", - fields_num); + print_to_socket (fh, "-1 Cannot parse command.\n"); return (-1); } + assert (command != NULL); + + if (strcasecmp ("PUTVAL", command) != 0) + { + print_to_socket (fh, "-1 Unexpected command: `%s'.\n", command); + return (-1); + } + + identifier = NULL; + status = parse_string (&buffer, &identifier); + if (status != 0) + { + print_to_socket (fh, "-1 Cannot parse identifier.\n"); + return (-1); + } + assert (identifier != NULL); /* parse_identifier() modifies its first argument, * returning pointers into it */ - identifier_copy = sstrdup (fields[1]); + identifier_copy = sstrdup (identifier); status = parse_identifier (identifier_copy, &hostname, &plugin, &plugin_instance, &type, &type_instance); if (status != 0) { - DEBUG ("cmd putval: Cannot parse `%s'", fields[1]); - print_to_socket (fh, "-1 Cannot parse identifier.\n"); + DEBUG ("handle_putval: Cannot parse identifier `%s'.", + identifier); + print_to_socket (fh, "-1 Cannot parse identifier `%s'.\n", + identifier); sfree (identifier_copy); return (-1); } @@ -170,64 +192,83 @@ int handle_putval (FILE *fh, char **fields, int fields_num) return (-1); } - strcpy (vl.host, hostname); - strcpy (vl.plugin, plugin); + 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) - strcpy (vl.plugin_instance, plugin_instance); - strcpy (vl.type, type); + sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance)); if (type_instance != NULL) - strcpy (vl.type_instance, type_instance); + sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance)); ds = plugin_get_ds (type); if (ds == NULL) { + print_to_socket (fh, "-1 Type `%s' isn't defined.\n", type); sfree (identifier_copy); return (-1); } + /* Free identifier_copy */ + hostname = NULL; + plugin = NULL; plugin_instance = NULL; + type = NULL; type_instance = NULL; + sfree (identifier_copy); + vl.values_len = ds->ds_num; vl.values = (value_t *) malloc (vl.values_len * sizeof (value_t)); if (vl.values == NULL) { print_to_socket (fh, "-1 malloc failed.\n"); - sfree (identifier_copy); return (-1); } /* All the remaining fields are part of the optionlist. */ - for (i = 2; i < fields_num; i++) + values_submitted = 0; + while (*buffer != 0) { - if (strchr (fields[i], ':') != NULL) + char *string = NULL; + char *value = NULL; + + status = parse_option (&buffer, &string, &value); + if (status < 0) { - /* It's parse_value's job to write an error to `fh'. - * This is not the case with `parse_option below. - * Neither will write an success message. */ - if (parse_value (ds, &vl, fh, fields[i]) != 0) - break; + /* parse_option failed, buffer has been modified. + * => we need to abort */ + print_to_socket (fh, "-1 Misformatted option.\n"); + return (-1); } - else if (strchr (fields[i], '=') != NULL) + else if (status == 0) { - if (parse_option (&vl, fields[i]) != 0) - { - print_to_socket (fh, "-1 Error parsing option `%s'\n", - fields[i]); - break; - } + assert (string != NULL); + assert (value != NULL); + set_option (&vl, string, value); + continue; } - else + /* else: parse_option but buffer has not been modified. This is + * the default if no `=' is found.. */ + + status = parse_string (&buffer, &string); + if (status != 0) { - WARNING ("cmd putval: handle_putval: " - "Cannot parse field #%i `%s'; " - "Ignoring it.\n", - i, fields[i]); + print_to_socket (fh, "-1 Misformatted value.\n"); + return (-1); } - } + assert (string != NULL); + + status = parse_value (ds, &vl, fh, string); + if (status != 0) + { + /* An error has already been printed. */ + return (-1); + } + values_submitted++; + } /* while (*buffer != 0) */ /* Done parsing the options. */ - if (i == fields_num) - print_to_socket (fh, "0 Success\n"); + print_to_socket (fh, "0 Success: %i %s been dispatched.\n", + values_submitted, + (values_submitted == 1) ? "value has" : "values have"); sfree (vl.values); - sfree (identifier_copy); return (0); } /* int handle_putval */