Move QUIC error codes to quic_error_codes.h. No behavior change.

net/quic/core/quic_error_codes.h

Index: net/quic/core/quic_error_codes.h
diff --git a/net/quic/core/quic_error_codes.h b/net/quic/core/quic_error_codes.h
new file mode 100644
index 0000000000000000000000000000000000000000..b409e6c7fdf2f75f44162f0f542a8abe4a6b374f
--- /dev/null
+++ b/net/quic/core/quic_error_codes.h
@@ -0,0 +1,281 @@
+// 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_ERROR_CODES_H_
+#define NET_QUIC_QUIC_ERROR_CODES_H_
+
+#include <stdint.h>
+
+#include <limits>
+
+namespace net {
+
+enum QuicRstStreamErrorCode {
+  // Complete response has been sent, sending a RST to ask the other endpoint
+  // to stop sending request data without discarding the response.
+  QUIC_STREAM_NO_ERROR = 0,
+
+  // There was some error which halted stream processing.
+  QUIC_ERROR_PROCESSING_STREAM,
+  // We got two fin or reset offsets which did not match.
+  QUIC_MULTIPLE_TERMINATION_OFFSETS,
+  // We got bad payload and can not respond to it at the protocol level.
+  QUIC_BAD_APPLICATION_PAYLOAD,
+  // Stream closed due to connection error. No reset frame is sent when this
+  // happens.
+  QUIC_STREAM_CONNECTION_ERROR,
+  // GoAway frame sent. No more stream can be created.
+  QUIC_STREAM_PEER_GOING_AWAY,
+  // The stream has been cancelled.
+  QUIC_STREAM_CANCELLED,
+  // Closing stream locally, sending a RST to allow for proper flow control
+  // accounting. Sent in response to a RST from the peer.
+  QUIC_RST_ACKNOWLEDGEMENT,
+  // Receiver refused to create the stream (because its limit on open streams
+  // has been reached).  The sender should retry the request later (using
+  // another stream).
+  QUIC_REFUSED_STREAM,
+  // Invalid URL in PUSH_PROMISE request header.
+  QUIC_INVALID_PROMISE_URL,
+  // 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");
+
+// 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,
+  // Control frame is malformed.
+  QUIC_INVALID_PACKET_HEADER = 3,
+  // Frame data is malformed.
+  QUIC_INVALID_FRAME_DATA = 4,
+  // The packet contained no payload.
+  QUIC_MISSING_PAYLOAD = 48,
+  // FEC data is malformed.
+  QUIC_INVALID_FEC_DATA = 5,
+  // STREAM frame data is malformed.
+  QUIC_INVALID_STREAM_DATA = 46,
+  // STREAM frame data overlaps with buffered data.
+  QUIC_OVERLAPPING_STREAM_DATA = 87,
+  // Received STREAM frame data is not encrypted.
+  QUIC_UNENCRYPTED_STREAM_DATA = 61,
+  // Attempt to send unencrypted STREAM frame.
+  QUIC_ATTEMPT_TO_SEND_UNENCRYPTED_STREAM_DATA = 88,
+  // Received a frame which is likely the result of memory corruption.
+  QUIC_MAYBE_CORRUPTED_MEMORY = 89,
+  // FEC frame data is not encrypted.
+  QUIC_UNENCRYPTED_FEC_DATA = 77,
+  // RST_STREAM frame data is malformed.
+  QUIC_INVALID_RST_STREAM_DATA = 6,
+  // CONNECTION_CLOSE frame data is malformed.
+  QUIC_INVALID_CONNECTION_CLOSE_DATA = 7,
+  // GOAWAY frame data is malformed.
+  QUIC_INVALID_GOAWAY_DATA = 8,
+  // WINDOW_UPDATE frame data is malformed.
+  QUIC_INVALID_WINDOW_UPDATE_DATA = 57,
+  // BLOCKED frame data is malformed.
+  QUIC_INVALID_BLOCKED_DATA = 58,
+  // STOP_WAITING frame data is malformed.
+  QUIC_INVALID_STOP_WAITING_DATA = 60,
+  // PATH_CLOSE frame data is malformed.
+  QUIC_INVALID_PATH_CLOSE_DATA = 78,
+  // ACK frame data is malformed.
+  QUIC_INVALID_ACK_DATA = 9,
+
+  // Version negotiation packet is malformed.
+  QUIC_INVALID_VERSION_NEGOTIATION_PACKET = 10,
+  // Public RST packet is malformed.
+  QUIC_INVALID_PUBLIC_RST_PACKET = 11,
+  // There was an error decrypting.
+  QUIC_DECRYPTION_FAILURE = 12,
+  // There was an error encrypting.
+  QUIC_ENCRYPTION_FAILURE = 13,
+  // The packet exceeded kMaxPacketSize.
+  QUIC_PACKET_TOO_LARGE = 14,
+  // The peer is going away.  May be a client or server.
+  QUIC_PEER_GOING_AWAY = 16,
+  // A stream ID was invalid.
+  QUIC_INVALID_STREAM_ID = 17,
+  // A priority was invalid.
+  QUIC_INVALID_PRIORITY = 49,
+  // Too many streams already open.
+  QUIC_TOO_MANY_OPEN_STREAMS = 18,
+  // The peer created too many available streams.
+  QUIC_TOO_MANY_AVAILABLE_STREAMS = 76,
+  // Received public reset for this connection.
+  QUIC_PUBLIC_RESET = 19,
+  // Invalid protocol version.
+  QUIC_INVALID_VERSION = 20,
+
+  // The Header ID for a stream was too far from the previous.
+  QUIC_INVALID_HEADER_ID = 22,
+  // Negotiable parameter received during handshake had invalid value.
+  QUIC_INVALID_NEGOTIATED_VALUE = 23,
+  // There was an error decompressing data.
+  QUIC_DECOMPRESSION_FAILURE = 24,
+  // The connection timed out due to no network activity.
+  QUIC_NETWORK_IDLE_TIMEOUT = 25,
+  // The connection timed out waiting for the handshake to complete.
+  QUIC_HANDSHAKE_TIMEOUT = 67,
+  // There was an error encountered migrating addresses.
+  QUIC_ERROR_MIGRATING_ADDRESS = 26,
+  // There was an error encountered migrating port only.
+  QUIC_ERROR_MIGRATING_PORT = 86,
+  // There was an error while writing to the socket.
+  QUIC_PACKET_WRITE_ERROR = 27,
+  // There was an error while reading from the socket.
+  QUIC_PACKET_READ_ERROR = 51,
+  // We received a STREAM_FRAME with no data and no fin flag set.
+  QUIC_EMPTY_STREAM_FRAME_NO_FIN = 50,
+  // We received invalid data on the headers stream.
+  QUIC_INVALID_HEADERS_STREAM_DATA = 56,
+  // The peer received too much data, violating flow control.
+  QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA = 59,
+  // The peer sent too much data, violating flow control.
+  QUIC_FLOW_CONTROL_SENT_TOO_MUCH_DATA = 63,
+  // The peer received an invalid flow control window.
+  QUIC_FLOW_CONTROL_INVALID_WINDOW = 64,
+  // The connection has been IP pooled into an existing connection.
+  QUIC_CONNECTION_IP_POOLED = 62,
+  // The connection has too many outstanding sent packets.
+  QUIC_TOO_MANY_OUTSTANDING_SENT_PACKETS = 68,
+  // The connection has too many outstanding received packets.
+  QUIC_TOO_MANY_OUTSTANDING_RECEIVED_PACKETS = 69,
+  // The quic connection has been cancelled.
+  QUIC_CONNECTION_CANCELLED = 70,
+  // Disabled QUIC because of high packet loss rate.
+  QUIC_BAD_PACKET_LOSS_RATE = 71,
+  // Disabled QUIC because of too many PUBLIC_RESETs post handshake.
+  QUIC_PUBLIC_RESETS_POST_HANDSHAKE = 73,
+  // Disabled QUIC because of too many timeouts with streams open.
+  QUIC_TIMEOUTS_WITH_OPEN_STREAMS = 74,
+  // Closed because we failed to serialize a packet.
+  QUIC_FAILED_TO_SERIALIZE_PACKET = 75,
+  // QUIC timed out after too many RTOs.
+  QUIC_TOO_MANY_RTOS = 85,
+
+  // Crypto errors.
+
+  // Hanshake failed.
+  QUIC_HANDSHAKE_FAILED = 28,
+  // Handshake message contained out of order tags.
+  QUIC_CRYPTO_TAGS_OUT_OF_ORDER = 29,
+  // Handshake message contained too many entries.
+  QUIC_CRYPTO_TOO_MANY_ENTRIES = 30,
+  // Handshake message contained an invalid value length.
+  QUIC_CRYPTO_INVALID_VALUE_LENGTH = 31,
+  // A crypto message was received after the handshake was complete.
+  QUIC_CRYPTO_MESSAGE_AFTER_HANDSHAKE_COMPLETE = 32,
+  // A crypto message was received with an illegal message tag.
+  QUIC_INVALID_CRYPTO_MESSAGE_TYPE = 33,
+  // A crypto message was received with an illegal parameter.
+  QUIC_INVALID_CRYPTO_MESSAGE_PARAMETER = 34,
+  // An invalid channel id signature was supplied.
+  QUIC_INVALID_CHANNEL_ID_SIGNATURE = 52,
+  // A crypto message was received with a mandatory parameter missing.
+  QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND = 35,
+  // A crypto message was received with a parameter that has no overlap
+  // with the local parameter.
+  QUIC_CRYPTO_MESSAGE_PARAMETER_NO_OVERLAP = 36,
+  // A crypto message was received that contained a parameter with too few
+  // values.
+  QUIC_CRYPTO_MESSAGE_INDEX_NOT_FOUND = 37,
+  // A demand for an unsupport proof type was received.
+  QUIC_UNSUPPORTED_PROOF_DEMAND = 94,
+  // An internal error occured in crypto processing.
+  QUIC_CRYPTO_INTERNAL_ERROR = 38,
+  // A crypto handshake message specified an unsupported version.
+  QUIC_CRYPTO_VERSION_NOT_SUPPORTED = 39,
+  // A crypto handshake message resulted in a stateless reject.
+  QUIC_CRYPTO_HANDSHAKE_STATELESS_REJECT = 72,
+  // There was no intersection between the crypto primitives supported by the
+  // peer and ourselves.
+  QUIC_CRYPTO_NO_SUPPORT = 40,
+  // The server rejected our client hello messages too many times.
+  QUIC_CRYPTO_TOO_MANY_REJECTS = 41,
+  // The client rejected the server's certificate chain or signature.
+  QUIC_PROOF_INVALID = 42,
+  // A crypto message was received with a duplicate tag.
+  QUIC_CRYPTO_DUPLICATE_TAG = 43,
+  // A crypto message was received with the wrong encryption level (i.e. it
+  // should have been encrypted but was not.)
+  QUIC_CRYPTO_ENCRYPTION_LEVEL_INCORRECT = 44,
+  // The server config for a server has expired.
+  QUIC_CRYPTO_SERVER_CONFIG_EXPIRED = 45,
+  // We failed to setup the symmetric keys for a connection.
+  QUIC_CRYPTO_SYMMETRIC_KEY_SETUP_FAILED = 53,
+  // A handshake message arrived, but we are still validating the
+  // previous handshake message.
+  QUIC_CRYPTO_MESSAGE_WHILE_VALIDATING_CLIENT_HELLO = 54,
+  // A server config update arrived before the handshake is complete.
+  QUIC_CRYPTO_UPDATE_BEFORE_HANDSHAKE_COMPLETE = 65,
+  // CHLO cannot fit in one packet.
+  QUIC_CRYPTO_CHLO_TOO_LARGE = 90,
+  // This connection involved a version negotiation which appears to have been
+  // tampered with.
+  QUIC_VERSION_NEGOTIATION_MISMATCH = 55,
+
+  // Multipath errors.
+  // Multipath is not enabled, but a packet with multipath flag on is received.
+  QUIC_BAD_MULTIPATH_FLAG = 79,
+  // A path is supposed to exist but does not.
+  QUIC_MULTIPATH_PATH_DOES_NOT_EXIST = 91,
+  // A path is supposed to be active but is not.
+  QUIC_MULTIPATH_PATH_NOT_ACTIVE = 92,
+
+  // IP address changed causing connection close.
+  QUIC_IP_ADDRESS_CHANGED = 80,
+
+  // Connection migration errors.
+  // Network changed, but connection had no migratable streams.
+  QUIC_CONNECTION_MIGRATION_NO_MIGRATABLE_STREAMS = 81,
+  // Connection changed networks too many times.
+  QUIC_CONNECTION_MIGRATION_TOO_MANY_CHANGES = 82,
+  // Connection migration was attempted, but there was no new network to
+  // migrate to.
+  QUIC_CONNECTION_MIGRATION_NO_NEW_NETWORK = 83,
+  // Network changed, but connection had one or more non-migratable streams.
+  QUIC_CONNECTION_MIGRATION_NON_MIGRATABLE_STREAM = 84,
+
+  // Stream frames arrived too discontiguously so that stream sequencer buffer
+  // maintains too many gaps.
+  QUIC_TOO_MANY_FRAME_GAPS = 93,
+
+  // Sequencer buffer get into weird state where continuing read/write will lead
+  // to crash.
+  QUIC_STREAM_SEQUENCER_INVALID_STATE = 95,
+
+  // Connection closed because of server hits max number of sessions allowed.
+  // TODO(fayang): Add monitoring for QUIC_TOO_MANY_SESSIONS_ON_SERVER.
+  QUIC_TOO_MANY_SESSIONS_ON_SERVER = 96,
+
+  // No error. Used as bound while iterating.
+  QUIC_LAST_ERROR = 97,
+};
+
+}  // namespace net
+
+#endif  // NET_QUIC_QUIC_ERROR_CODES_H_