1 files changed, 93 insertions, 0 deletions
diff --git a/dnsdist-protobuf.hh b/dnsdist-protobuf.hh
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+++ b/dnsdist-protobuf.hh
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+/*
+ * This file is part of PowerDNS or dnsdist.
+ * Copyright -- PowerDNS.COM B.V. and its contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * In addition, for the avoidance of any doubt, permission is granted to
+ * link this program with OpenSSL and to (re)distribute the binaries
+ * produced as the result of such linking.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#pragma once
+
+#include "dnsdist.hh"
+#include "dnsname.hh"
+#include "protozero.hh"
+
+class DNSDistProtoBufMessage
+{
+public:
+  DNSDistProtoBufMessage(const DNSQuestion& dq);
+  DNSDistProtoBufMessage(const DNSResponse& dr, bool includeCNAME);
+
+  void setServerIdentity(const std::string& serverId);
+  void setRequestor(const ComboAddress& requestor);
+  void setResponder(const ComboAddress& responder);
+  void setRequestorPort(uint16_t port);
+  void setResponderPort(uint16_t port);
+  void setResponseCode(uint8_t rcode);
+  void setType(pdns::ProtoZero::Message::MessageType type);
+  void setBytes(size_t bytes);
+  void setTime(time_t sec, uint32_t usec);
+  void setQueryTime(time_t sec, uint32_t usec);
+  void setQuestion(const DNSName& name, uint16_t qtype, uint16_t qclass);
+  void setEDNSSubnet(const Netmask& nm);
+
+  void addTag(const std::string& strValue);
+  void addRR(DNSName&& qname, uint16_t uType, uint16_t uClass, uint32_t uTTL, const std::string& data);
+
+  void serialize(std::string& data) const;
+
+  std::string toDebugString() const;
+
+private:
+  struct PBRecord
+  {
+    DNSName d_name;
+    std::string d_data;
+    uint32_t d_ttl;
+    uint16_t d_type;
+    uint16_t d_class;
+  };
+  struct PBQuestion
+  {
+    PBQuestion(const DNSName& name, uint16_t type, uint16_t class_): d_name(name), d_type(type), d_class(class_)
+    {
+    }
+
+    DNSName d_name;
+    uint16_t d_type;
+    uint16_t d_class;
+  };
+
+  std::vector<PBRecord> d_additionalRRs;
+  std::vector<std::string> d_additionalTags;
+
+  const DNSQuestion& d_dq;
+  const DNSResponse* d_dr{nullptr};
+  const std::string* d_ServerIdentityRef{nullptr};
+
+  boost::optional<PBQuestion> d_question{boost::none};
+  boost::optional<std::string> d_serverIdentity{boost::none};
+  boost::optional<ComboAddress> d_requestor{boost::none};
+  boost::optional<ComboAddress> d_responder{boost::none};
+  boost::optional<Netmask> d_ednsSubnet{boost::none};
+  boost::optional<std::pair<time_t, uint32_t>> d_time{boost::none};
+  boost::optional<std::pair<time_t, uint32_t>> d_queryTime{boost::none};
+  boost::optional<size_t> d_bytes{boost::none};
+  boost::optional<uint8_t> d_rcode{boost::none};
+
+  pdns::ProtoZero::Message::MessageType d_type{pdns::ProtoZero::Message::MessageType::DNSQueryType};
+  bool d_includeCNAME{false};
+};