Introduce TTL in QuicReceivedPacket.

net/quic/core/quic_protocol.cc

 // Copyright (c) 2012 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 "net/quic/core/quic_protocol.h"
 
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_utils.h"
@@ skipping 720 matching lines @@
 QuicGoAwayFrame::QuicGoAwayFrame(QuicErrorCode error_code,
                                  QuicStreamId last_good_stream_id,
                                  const string& reason)
     : error_code(error_code),
       last_good_stream_id(last_good_stream_id),
       reason_phrase(reason) {}
 
 QuicData::QuicData(const char* buffer, size_t length)
     : buffer_(buffer), length_(length), owns_buffer_(false) {}
 
-QuicData::QuicData(char* buffer, size_t length, bool owns_buffer)
+QuicData::QuicData(const char* buffer, size_t length, bool owns_buffer)
     : buffer_(buffer), length_(length), owns_buffer_(owns_buffer) {}
 
 QuicData::~QuicData() {
   if (owns_buffer_) {
     delete[] const_cast<char*>(buffer_);
   }
 }
 
 QuicWindowUpdateFrame::QuicWindowUpdateFrame(QuicStreamId stream_id,
                                              QuicStreamOffset byte_offset)
@@ skipping 16 matching lines @@
       buffer_(buffer),
       connection_id_length_(connection_id_length),
       includes_version_(includes_version),
       includes_path_id_(includes_path_id),
       includes_diversification_nonce_(includes_diversification_nonce),
       packet_number_length_(packet_number_length) {}
 
 QuicEncryptedPacket::QuicEncryptedPacket(const char* buffer, size_t length)
     : QuicData(buffer, length) {}
 
-QuicEncryptedPacket::QuicEncryptedPacket(char* buffer,
+QuicEncryptedPacket::QuicEncryptedPacket(const char* buffer,
                                          size_t length,
                                          bool owns_buffer)
     : QuicData(buffer, length, owns_buffer) {}
 
 QuicEncryptedPacket* QuicEncryptedPacket::Clone() const {
   char* buffer = new char[this->length()];
   memcpy(buffer, this->data(), this->length());
   return new QuicEncryptedPacket(buffer, this->length(), true);
 }
 
 ostream& operator<<(ostream& os, const QuicEncryptedPacket& s) {
   os << s.length() << "-byte data";
   return os;
 }
 
 QuicReceivedPacket::QuicReceivedPacket(const char* buffer,
                                        size_t length,
                                        QuicTime receipt_time)
-    : QuicEncryptedPacket(buffer, length), receipt_time_(receipt_time) {}
+    : QuicEncryptedPacket(buffer, length),
+      receipt_time_(receipt_time),
+      ttl_(0) {}
 
-QuicReceivedPacket::QuicReceivedPacket(char* buffer,
+QuicReceivedPacket::QuicReceivedPacket(const char* buffer,
                                        size_t length,
                                        QuicTime receipt_time,
                                        bool owns_buffer)
     : QuicEncryptedPacket(buffer, length, owns_buffer),
-      receipt_time_(receipt_time) {}
+      receipt_time_(receipt_time),
+      ttl_(0) {}
+
+QuicReceivedPacket::QuicReceivedPacket(const char* buffer,
+                                       size_t length,
+                                       QuicTime receipt_time,
+                                       bool owns_buffer,
+                                       int ttl,
+                                       bool ttl_valid)
+    : QuicEncryptedPacket(buffer, length, owns_buffer),
+      receipt_time_(receipt_time),
+      ttl_(ttl_valid ? ttl : -1) {}
 
 QuicReceivedPacket* QuicReceivedPacket::Clone() const {
   char* buffer = new char[this->length()];
   memcpy(buffer, this->data(), this->length());
-  return new QuicReceivedPacket(buffer, this->length(), receipt_time(), true);
+  return new QuicReceivedPacket(buffer, this->length(), receipt_time(), true,
+                                ttl(), ttl() >= 0);
 }
 
 ostream& operator<<(ostream& os, const QuicReceivedPacket& s) {
   os << s.length() << "-byte data";
   return os;
 }
 
 StringPiece QuicPacket::AssociatedData(QuicVersion version) const {
   return StringPiece(
       data(), GetStartOfEncryptedData(version, connection_id_length_,
@@ skipping 96 matching lines @@
       is_unackable(false),
       has_crypto_handshake(has_crypto_handshake),
       num_padding_bytes(num_padding_bytes),
       retransmission(0) {}
 
 TransmissionInfo::TransmissionInfo(const TransmissionInfo& other) = default;
 
 TransmissionInfo::~TransmissionInfo() {}
 
 }  // namespace net