X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdns.c;h=95797f543ea67138e23c967645905354991e408e;hb=135fcb2fb72d7361e58cf1e3557181306aaf750b;hp=bf341a7a8683cc00ac28ede31f0e57b29e45c454;hpb=442f435a3d57762d7db6ed23307e3e32478e68be;p=collectd.git diff --git a/src/dns.c b/src/dns.c index bf341a7a..95797f54 100644 --- a/src/dns.c +++ b/src/dns.c @@ -1,6 +1,7 @@ /** * collectd - src/dns.c - * Copyright (C) 2006,2007 Florian octo Forster + * Copyright (C) 2006-2011 Florian octo Forster + * Copyright (C) 2009 Mirko Buffoni * * 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 @@ -16,7 +17,8 @@ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Authors: - * Florian octo Forster + * Florian octo Forster + * Mirko Buffoni **/ #define _BSD_SOURCE @@ -28,9 +30,11 @@ #include "utils_dns.h" #include -#include #include +#include +#include + /* * Private data types */ @@ -57,8 +61,8 @@ static int select_numeric_qtype = 1; #define PCAP_SNAPLEN 1460 static char *pcap_device = NULL; -static counter_t tr_queries; -static counter_t tr_responses; +static derive_t tr_queries; +static derive_t tr_responses; static counter_list_t *qtype_list; static counter_list_t *opcode_list; static counter_list_t *rcode_list; @@ -78,14 +82,10 @@ static counter_list_t *counter_list_search (counter_list_t **list, unsigned int { counter_list_t *entry; - DEBUG ("counter_list_search (list = %p, key = %u)", - (void *) *list, key); - for (entry = *list; entry != NULL; entry = entry->next) if (entry->key == key) break; - DEBUG ("return (%p)", (void *) entry); return (entry); } @@ -94,9 +94,6 @@ static counter_list_t *counter_list_create (counter_list_t **list, { counter_list_t *entry; - DEBUG ("counter_list_create (list = %p, key = %u, value = %u)", - (void *) *list, key, value); - entry = (counter_list_t *) malloc (sizeof (counter_list_t)); if (entry == NULL) return (NULL); @@ -120,7 +117,6 @@ static counter_list_t *counter_list_create (counter_list_t **list, last->next = entry; } - DEBUG ("return (%p)", (void *) entry); return (entry); } @@ -129,9 +125,6 @@ static void counter_list_add (counter_list_t **list, { counter_list_t *entry; - DEBUG ("counter_list_add (list = %p, key = %u, increment = %u)", - (void *) *list, key, increment); - entry = counter_list_search (list, key); if (entry != NULL) @@ -142,7 +135,6 @@ static void counter_list_add (counter_list_t **list, { counter_list_create (list, key, increment); } - DEBUG ("return ()"); } static int dns_config (const char *key, const char *value) @@ -182,7 +174,7 @@ static void dns_child_callback (const rfc1035_header_t *dns) int skip = 0; if (!select_numeric_qtype) { - char *str = qtype_str(dns->qtype); + const char *str = qtype_str(dns->qtype); if ((str == NULL) || (str[0] == '#')) skip = 1; } @@ -216,7 +208,7 @@ static void dns_child_callback (const rfc1035_header_t *dns) pthread_mutex_unlock (&opcode_mutex); } -static void *dns_child_loop (void __attribute__((unused)) *dummy) +static void *dns_child_loop (__attribute__((unused)) void *dummy) { pcap_t *pcap_obj; char pcap_error[PCAP_ERRBUF_SIZE]; @@ -232,11 +224,11 @@ static void *dns_child_loop (void __attribute__((unused)) *dummy) } /* Passing `pcap_device == NULL' is okay and the same as passign "any" */ - DEBUG ("Creating PCAP object.."); + DEBUG ("dns plugin: Creating PCAP object.."); pcap_obj = pcap_open_live ((pcap_device != NULL) ? pcap_device : "any", PCAP_SNAPLEN, 0 /* Not promiscuous */, - interval_g, + (int) CDTIME_T_TO_MS (interval_g / 2), pcap_error); if (pcap_obj == NULL) { @@ -259,7 +251,7 @@ static void *dns_child_loop (void __attribute__((unused)) *dummy) return (NULL); } - DEBUG ("PCAP object created."); + DEBUG ("dns plugin: PCAP object created."); dnstop_set_pcap_obj (pcap_obj); dnstop_set_callback (dns_child_callback); @@ -272,7 +264,7 @@ static void *dns_child_loop (void __attribute__((unused)) *dummy) ERROR ("dns plugin: Listener thread is exiting " "abnormally: %s", pcap_geterr (pcap_obj)); - DEBUG ("child is exiting"); + DEBUG ("dns plugin: Child is exiting."); pcap_close (pcap_obj); listen_thread_init = 0; @@ -309,13 +301,13 @@ static int dns_init (void) return (0); } /* int dns_init */ -static void submit_counter (const char *type, const char *type_instance, - counter_t value) +static void submit_derive (const char *type, const char *type_instance, + derive_t value) { value_t values[1]; value_list_t vl = VALUE_LIST_INIT; - values[0].counter = value; + values[0].derive = value; vl.values = values; vl.values_len = 1; @@ -325,15 +317,15 @@ static void submit_counter (const char *type, const char *type_instance, sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance)); plugin_dispatch_values (&vl); -} /* void submit_counter */ +} /* void submit_derive */ -static void submit_octets (counter_t queries, counter_t responses) +static void submit_octets (derive_t queries, derive_t responses) { value_t values[2]; value_list_t vl = VALUE_LIST_INIT; - values[0].counter = queries; - values[1].counter = responses; + values[0].derive = queries; + values[1].derive = responses; vl.values = values; vl.values_len = 2; @@ -342,7 +334,7 @@ static void submit_octets (counter_t queries, counter_t responses) sstrncpy (vl.type, "dns_octets", sizeof (vl.type)); plugin_dispatch_values (&vl); -} /* void submit_counter */ +} /* void submit_octets */ static int dns_read (void) { @@ -373,8 +365,8 @@ static int dns_read (void) for (i = 0; i < len; i++) { - DEBUG ("qtype = %u; counter = %u;", keys[i], values[i]); - submit_counter ("dns_qtype", qtype_str (keys[i]), values[i]); + DEBUG ("dns plugin: qtype = %u; counter = %u;", keys[i], values[i]); + submit_derive ("dns_qtype", qtype_str (keys[i]), values[i]); } pthread_mutex_lock (&opcode_mutex); @@ -389,8 +381,8 @@ static int dns_read (void) for (i = 0; i < len; i++) { - DEBUG ("opcode = %u; counter = %u;", keys[i], values[i]); - submit_counter ("dns_opcode", opcode_str (keys[i]), values[i]); + DEBUG ("dns plugin: opcode = %u; counter = %u;", keys[i], values[i]); + submit_derive ("dns_opcode", opcode_str (keys[i]), values[i]); } pthread_mutex_lock (&rcode_mutex); @@ -405,8 +397,8 @@ static int dns_read (void) for (i = 0; i < len; i++) { - DEBUG ("rcode = %u; counter = %u;", keys[i], values[i]); - submit_counter ("dns_rcode", rcode_str (keys[i]), values[i]); + DEBUG ("dns plugin: rcode = %u; counter = %u;", keys[i], values[i]); + submit_derive ("dns_rcode", rcode_str (keys[i]), values[i]); } return (0);