Landing Recent QUIC changes until 10:38 AM, Oct 17, 2016 UTC-4

net/quic/core/quic_protocol.h

 // 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.
 
 #ifndef NET_QUIC_QUIC_PROTOCOL_H_
 #define NET_QUIC_QUIC_PROTOCOL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 57 matching lines @@
 // We match SPDY's use of 32 (since we'd compete with SPDY).
 const QuicPacketCount kInitialCongestionWindow = 32;
 
 // Minimum size of initial flow control window, for both stream and session.
 const uint32_t kMinimumFlowControlSendWindow = 16 * 1024;  // 16 KB
 
 // Maximum flow control receive window limits for connection and stream.
 const QuicByteCount kStreamReceiveWindowLimit = 16 * 1024 * 1024;   // 16 MB
 const QuicByteCount kSessionReceiveWindowLimit = 24 * 1024 * 1024;  // 24 MB
 
+// Default limit on the size of uncompressed headers.
+const QuicByteCount kDefaultMaxUncompressedHeaderSize = 16 * 1024;  // 16 KB
+
 // Minimum size of the CWND, in packets, when doing bandwidth resumption.
 const QuicPacketCount kMinCongestionWindowForBandwidthResumption = 10;
 
 // Maximum number of tracked packets.
 const QuicPacketCount kMaxTrackedPackets = 10000;
 
 // Default size of the socket receive buffer in bytes.
 const QuicByteCount kDefaultSocketReceiveBuffer = 1024 * 1024;
-// Minimum size of the socket receive buffer in bytes.
-// Smaller values are ignored.
-const QuicByteCount kMinSocketReceiveBuffer = 16 * 1024;
-
-// Fraction of the receive buffer that can be used, based on conservative
-// estimates and testing on Linux.
-// An alternative to kUsableRecieveBufferFraction.
-static const float kConservativeReceiveBufferFraction = 0.6f;
 
 // Don't allow a client to suggest an RTT shorter than 10ms.
 const uint32_t kMinInitialRoundTripTimeUs = 10 * kNumMicrosPerMilli;
 
 // Don't allow a client to suggest an RTT longer than 15 seconds.
 const uint32_t kMaxInitialRoundTripTimeUs = 15 * kNumMicrosPerSecond;
 
 // Maximum number of open streams per connection.
 const size_t kDefaultMaxStreamsPerConnection = 100;
 
@@ skipping 381 matching lines @@
   // Server is not authoritative for this URL.
   QUIC_UNAUTHORIZED_PROMISE_URL,
   // Can't have more than one active PUSH_PROMISE per URL.
   QUIC_DUPLICATE_PROMISE_URL,
   // Vary check failed.
   QUIC_PROMISE_VARY_MISMATCH,
   // Only GET and HEAD methods allowed.
   QUIC_INVALID_PROMISE_METHOD,
   // The push stream is unclaimed and timed out.
   QUIC_PUSH_STREAM_TIMED_OUT,
+  // Received headers were too large.
+  QUIC_HEADERS_TOO_LARGE,
   // No error. Used as bound while iterating.
   QUIC_STREAM_LAST_ERROR,
 };
 // QUIC error codes are encoded to a single octet on-the-wire.
 static_assert(static_cast<int>(QUIC_STREAM_LAST_ERROR) <=
                   std::numeric_limits<uint8_t>::max(),
               "QuicErrorCode exceeds single octet");
 
-// Because receiving an unknown QuicRstStreamErrorCode results in connection
-// teardown, we use this to make sure any errors predating a given version are
-// downgraded to the most appropriate existing error.
-NET_EXPORT_PRIVATE QuicRstStreamErrorCode
-AdjustErrorForVersion(QuicRstStreamErrorCode error_code, QuicVersion version);
-
 // These values must remain stable as they are uploaded to UMA histograms.
 // To add a new error code, use the current value of QUIC_LAST_ERROR and
 // increment QUIC_LAST_ERROR.
 enum QuicErrorCode {
   QUIC_NO_ERROR = 0,
 
   // Connection has reached an invalid state.
   QUIC_INTERNAL_ERROR = 1,
   // There were data frames after the a fin or reset.
   QUIC_STREAM_DATA_AFTER_TERMINATION = 2,
@@ skipping 1009 matching lines @@
       : iov(iov), iov_count(iov_count), total_length(total_length) {}
 
   const struct iovec* iov;
   const int iov_count;
   const size_t total_length;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PROTOCOL_H_