Finished DNS-SD server. Finished Privet-specified DNS-SD server.

cloud_print/gcp20/prototype/dns_packet_parser.cc

Index: cloud_print/gcp20/prototype/dns_packet_parser.cc
diff --git a/cloud_print/gcp20/prototype/dns_packet_parser.cc b/cloud_print/gcp20/prototype/dns_packet_parser.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8dd3ad690b8522703a5b70f12341fcdd433427b4
--- /dev/null
+++ b/cloud_print/gcp20/prototype/dns_packet_parser.cc
@@ -0,0 +1,38 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cloud_print/gcp20/prototype/dns_packet_parser.h"
+
+#include "net/base/big_endian.h"
+
+DnsQueryRecord::DnsQueryRecord() {
+}
+
+DnsQueryRecord::~DnsQueryRecord() {
+}
+
+DnsPacketParser::DnsPacketParser() : packet_(NULL), length_(0) {
+}
+
+DnsPacketParser::DnsPacketParser(const char* packet,
+                                 size_t length,
+                                 size_t offset)
+    : packet_(packet),
+      length_(length),
+      record_parser_(packet, length, offset) {
+}
+
+bool DnsPacketParser::ReadRecord(DnsQueryRecord* out) {
+  DCHECK(packet_);
+  size_t consumed = ReadName(&out->qname);
+  if (!consumed)
+    return false;
+  net::BigEndianReader reader(packet_ + GetOffset() + consumed,
+                              length_ - (GetOffset() + consumed));
+  if (reader.ReadU16(&out->qtype) && reader.ReadU16(&out->qclass))
+    return record_parser_.SkipQuestion();  // instead of |cur_ = reader.ptr();|
+
+  return false;
+}
+