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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/quic/quic_flags.h" | 5 #include "net/quic/quic_flags.h" |
| 6 | 6 |
| 7 // If true, it will return as soon as an error is detected while validating | 7 // If true, it will return as soon as an error is detected while validating |
| 8 // CHLO. | 8 // CHLO. |
| 9 bool FLAGS_use_early_return_when_verifying_chlo = true; | 9 bool FLAGS_use_early_return_when_verifying_chlo = true; |
| 10 | 10 |
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| 39 | 39 |
| 40 // If true, multipath is enabled for the connection. | 40 // If true, multipath is enabled for the connection. |
| 41 bool FLAGS_quic_enable_multipath = false; | 41 bool FLAGS_quic_enable_multipath = false; |
| 42 | 42 |
| 43 // If true, require handshake confirmation for QUIC connections, functionally | 43 // If true, require handshake confirmation for QUIC connections, functionally |
| 44 // disabling 0-rtt handshakes. | 44 // disabling 0-rtt handshakes. |
| 45 // TODO(rtenneti): Enable this flag after CryptoServerTest's are fixed. | 45 // TODO(rtenneti): Enable this flag after CryptoServerTest's are fixed. |
| 46 bool FLAGS_quic_require_handshake_confirmation = false; | 46 bool FLAGS_quic_require_handshake_confirmation = false; |
| 47 | 47 |
| 48 // If true, Cubic's epoch is shifted when the sender is application-limited. | 48 // If true, Cubic's epoch is shifted when the sender is application-limited. |
| 49 bool FLAGS_shift_quic_cubic_epoch_when_app_limited = false; | 49 bool FLAGS_shift_quic_cubic_epoch_when_app_limited = true; |
| 50 | 50 |
| 51 // If true, QUIC will measure head of line (HOL) blocking due between | 51 // If true, QUIC will measure head of line (HOL) blocking due between |
| 52 // streams due to packet losses on the headers stream. The | 52 // streams due to packet losses on the headers stream. The |
| 53 // measurements will be surfaced via UMA histogram | 53 // measurements will be surfaced via UMA histogram |
| 54 // Net.QuicSession.HeadersHOLBlockedTime. | 54 // Net.QuicSession.HeadersHOLBlockedTime. |
| 55 bool FLAGS_quic_measure_headers_hol_blocking_time = true; | 55 bool FLAGS_quic_measure_headers_hol_blocking_time = true; |
| 56 | 56 |
| 57 // If true, disable pacing in QUIC. | 57 // If true, disable pacing in QUIC. |
| 58 bool FLAGS_quic_disable_pacing_for_perf_tests = false; | 58 bool FLAGS_quic_disable_pacing_for_perf_tests = false; |
| 59 | 59 |
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| 98 bool FLAGS_quic_loss_recovery_use_largest_acked = true; | 98 bool FLAGS_quic_loss_recovery_use_largest_acked = true; |
| 99 | 99 |
| 100 // Only set one alarm for sending at once, either the send alarm or | 100 // Only set one alarm for sending at once, either the send alarm or |
| 101 // retransmission alarm. Disabled because it breaks QUIC time loss detection. | 101 // retransmission alarm. Disabled because it breaks QUIC time loss detection. |
| 102 bool FLAGS_quic_only_one_sending_alarm = false; | 102 bool FLAGS_quic_only_one_sending_alarm = false; |
| 103 | 103 |
| 104 // If true, the hash of the CHLO message will be used in the proof generated for | 104 // If true, the hash of the CHLO message will be used in the proof generated for |
| 105 // an SCUP message. | 105 // an SCUP message. |
| 106 bool FLAGS_quic_use_hash_in_scup = true; | 106 bool FLAGS_quic_use_hash_in_scup = true; |
| 107 | 107 |
| 108 // If true, consider receiving crypto frame on non crypto stream as memory | |
| 109 // corruption. | |
| 110 bool FLAGS_quic_detect_memory_corrpution = true; | |
| 111 | |
| 112 // If true, QUIC public reset packets will have the \"pre-v33\" public header | 108 // If true, QUIC public reset packets will have the \"pre-v33\" public header |
| 113 // flags. | 109 // flags. |
| 114 bool FLAGS_quic_use_old_public_reset_packets = true; | 110 bool FLAGS_quic_use_old_public_reset_packets = true; |
| 115 | 111 |
| 116 // Ignore the peer's recieve buffer size and instead set max CWND based on the | 112 // Ignore the peer's recieve buffer size and instead set max CWND based on the |
| 117 // amount of data the sender is willing to have in flight. | 113 // amount of data the sender is willing to have in flight. |
| 118 bool FLAGS_quic_ignore_srbf = true; | 114 bool FLAGS_quic_ignore_srbf = true; |
| 119 | 115 |
| 120 // Allow the NPRR connection option which reduces QUIC\'s pacing rate during | 116 // Allow the NPRR connection option which reduces QUIC\'s pacing rate during |
| 121 // recovery instead of PRR. | 117 // recovery instead of PRR. |
| 122 bool FLAGS_quic_allow_noprr = true; | 118 bool FLAGS_quic_allow_noprr = true; |
| 123 | 119 |
| 124 // If true, multi-packet CHLOs are explicitly disallowed. | |
| 125 bool FLAGS_quic_disallow_multi_packet_chlo = true; | |
| 126 | |
| 127 // Use a write path optimized for StreamFrames. | 120 // Use a write path optimized for StreamFrames. |
| 128 bool FLAGS_quic_use_optimized_write_path = true; | 121 bool FLAGS_quic_use_optimized_write_path = true; |
| 129 | 122 |
| 130 // If true, the dispatcher is responsible for generating server designated | 123 // If true, the dispatcher is responsible for generating server designated |
| 131 // connection IDs. | 124 // connection IDs. |
| 132 bool FLAGS_quic_dispatcher_creates_id = true; | 125 bool FLAGS_quic_dispatcher_creates_id = true; |
| 133 | 126 |
| 134 // If true, checks if the CHLO is acceptable as a matter of policy. | 127 // If true, checks if the CHLO is acceptable as a matter of policy. |
| 135 bool FLAGS_quic_enable_chlo_policy = true; | 128 bool FLAGS_quic_enable_chlo_policy = true; |
| 136 | 129 |
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| 152 // connection. | 145 // connection. |
| 153 bool FLAGS_quic_use_cheap_stateless_rejects = false; | 146 bool FLAGS_quic_use_cheap_stateless_rejects = false; |
| 154 | 147 |
| 155 // If true, treat timestamps from SO_TIMESTAMPING as QuicWallTimes rather | 148 // If true, treat timestamps from SO_TIMESTAMPING as QuicWallTimes rather |
| 156 // than QuicTimes. | 149 // than QuicTimes. |
| 157 bool FLAGS_quic_socket_walltimestamps = false; | 150 bool FLAGS_quic_socket_walltimestamps = false; |
| 158 | 151 |
| 159 // If true, default to immediate forward secure once established on the | 152 // If true, default to immediate forward secure once established on the |
| 160 // server side, and the IPFS connection option disables this instead of | 153 // server side, and the IPFS connection option disables this instead of |
| 161 // enabling it. | 154 // enabling it. |
| 162 bool FLAGS_quic_default_immediate_forward_secure = false; | 155 bool FLAGS_quic_default_immediate_forward_secure = true; |
| 163 | 156 |
| 164 // If true, disables support for QUIC version 29 and earlier. | 157 // If true, disables support for QUIC version 29 and earlier. |
| 165 bool FLAGS_quic_disable_pre_30 = false; | 158 bool FLAGS_quic_disable_pre_30 = false; |
| 159 |
| 160 // If true, QUIC respect HTTP2 SETTINGS frame rather than always close the |
| 161 // connection. |
| 162 bool FLAGS_quic_respect_http2_settings_frame = true; |
| 163 |
| 164 // Do not use a QuicAckListener in order to confirm a larger Path MTU. |
| 165 bool FLAGS_quic_no_mtu_discovery_ack_listener = false; |
| 166 |
| 167 // Deprecate QuicPacketCreator::next_packet_number_length_ because it's no |
| 168 // longer necessary. |
| 169 bool FLAGS_quic_simple_packet_number_length = false; |
| 170 |
| 171 // If true, enables QUIC_VERSION_35. |
| 172 bool FLAGS_quic_enable_version_35 = false; |
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