]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - src/resolve/resolved-dns-transaction.h
resolved: introduce dns_transaction_gcp()
[thirdparty/systemd.git] / src / resolve / resolved-dns-transaction.h
index c4fb51958db03a57472d56c8326ecbdfcf93c9e4..167541806a28eaa5f0deac78cc7664bf271ba1e8 100644 (file)
@@ -1,28 +1,18 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
-/***
-  This file is part of systemd.
-
-  Copyright 2014 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
+#include "sd-event.h"
 
 typedef struct DnsTransaction DnsTransaction;
 typedef enum DnsTransactionState DnsTransactionState;
 typedef enum DnsTransactionSource DnsTransactionSource;
 
+#include "resolved-dns-answer.h"
+#include "resolved-dns-dnssec.h"
+#include "resolved-dns-packet.h"
+#include "resolved-dns-question.h"
+#include "resolved-dns-server.h"
+
 enum DnsTransactionState {
         DNS_TRANSACTION_NULL,
         DNS_TRANSACTION_PENDING,
@@ -55,13 +45,6 @@ enum DnsTransactionSource {
         _DNS_TRANSACTION_SOURCE_INVALID = -1
 };
 
-#include "resolved-dns-answer.h"
-#include "resolved-dns-packet.h"
-#include "resolved-dns-question.h"
-#include "resolved-dns-scope.h"
-#include "resolved-dns-server.h"
-#include "resolved-dns-stream.h"
-
 struct DnsTransaction {
         DnsScope *scope;
 
@@ -108,6 +91,8 @@ struct DnsTransaction {
         sd_event_source *timeout_event_source;
         unsigned n_attempts;
 
+        unsigned n_picked_servers;
+
         /* UDP connection logic, if we need it */
         int dns_udp_fd;
         sd_event_source *dns_udp_event_source;
@@ -146,12 +131,15 @@ struct DnsTransaction {
         unsigned block_gc;
 
         LIST_FIELDS(DnsTransaction, transactions_by_scope);
+        LIST_FIELDS(DnsTransaction, transactions_by_stream);
 };
 
 int dns_transaction_new(DnsTransaction **ret, DnsScope *s, DnsResourceKey *key);
 DnsTransaction* dns_transaction_free(DnsTransaction *t);
 
 bool dns_transaction_gc(DnsTransaction *t);
+DEFINE_TRIVIAL_CLEANUP_FUNC(DnsTransaction*, dns_transaction_gc);
+
 int dns_transaction_go(DnsTransaction *t);
 
 void dns_transaction_process_reply(DnsTransaction *t, DnsPacket *p);
@@ -178,7 +166,7 @@ DnsTransactionSource dns_transaction_source_from_string(const char *s) _pure_;
 #define MDNS_PROBING_INTERVAL_USEC (250 * USEC_PER_MSEC)
 
 /* Maximum attempts to send DNS requests, across all DNS servers */
-#define DNS_TRANSACTION_ATTEMPTS_MAX 16
+#define DNS_TRANSACTION_ATTEMPTS_MAX 24
 
 /* Maximum attempts to send LLMNR requests, see RFC 4795 Section 2.7 */
 #define LLMNR_TRANSACTION_ATTEMPTS_MAX 3