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Issue 885443002: Roll Chrome into Mojo. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Rebase to ToT mojo Created 5 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_packet_generator.h" 5 #include "net/quic/quic_packet_generator.h"
6 6
7 #include "base/basictypes.h" 7 #include "base/basictypes.h"
8 #include "base/logging.h" 8 #include "base/logging.h"
9 #include "net/quic/quic_ack_notifier.h" 9 #include "net/quic/quic_ack_notifier.h"
10 #include "net/quic/quic_fec_group.h" 10 #include "net/quic/quic_fec_group.h"
(...skipping 159 matching lines...) Expand 10 before | Expand all | Expand 10 after
170 NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA, 170 NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA,
171 has_handshake ? IS_HANDSHAKE : NOT_HANDSHAKE)) { 171 has_handshake ? IS_HANDSHAKE : NOT_HANDSHAKE)) {
172 QuicFrame frame; 172 QuicFrame frame;
173 size_t bytes_consumed = packet_creator_.CreateStreamFrame( 173 size_t bytes_consumed = packet_creator_.CreateStreamFrame(
174 id, data, offset + total_bytes_consumed, fin, &frame); 174 id, data, offset + total_bytes_consumed, fin, &frame);
175 ++frames_created; 175 ++frames_created;
176 176
177 // We want to track which packet this stream frame ends up in. 177 // We want to track which packet this stream frame ends up in.
178 if (FLAGS_quic_attach_ack_notifiers_to_packets) { 178 if (FLAGS_quic_attach_ack_notifiers_to_packets) {
179 if (notifier != nullptr) { 179 if (notifier != nullptr) {
180 ack_notifiers_.insert(notifier); 180 ack_notifiers_.push_back(notifier);
181 } 181 }
182 } else { 182 } else {
183 frame.stream_frame->notifier = notifier; 183 frame.stream_frame->notifier = notifier;
184 } 184 }
185 185
186 if (!AddFrame(frame)) { 186 if (!AddFrame(frame)) {
187 LOG(DFATAL) << "Failed to add stream frame."; 187 LOG(DFATAL) << "Failed to add stream frame.";
188 // Inability to add a STREAM frame creates an unrecoverable hole in a 188 // Inability to add a STREAM frame creates an unrecoverable hole in a
189 // the stream, so it's best to close the connection. 189 // the stream, so it's best to close the connection.
190 delegate_->CloseConnection(QUIC_INTERNAL_ERROR, false); 190 delegate_->CloseConnection(QUIC_INTERNAL_ERROR, false);
(...skipping 29 matching lines...) Expand all
220 delete notifier; 220 delete notifier;
221 } 221 }
222 222
223 // Don't allow the handshake to be bundled with other retransmittable frames. 223 // Don't allow the handshake to be bundled with other retransmittable frames.
224 if (has_handshake) { 224 if (has_handshake) {
225 SendQueuedFrames(true); 225 SendQueuedFrames(true);
226 } 226 }
227 227
228 // Try to close FEC group since we've either run out of data to send or we're 228 // Try to close FEC group since we've either run out of data to send or we're
229 // blocked. If not in batch mode, force close the group. 229 // blocked. If not in batch mode, force close the group.
230 MaybeSendFecPacketAndCloseGroup(/*flush=*/false); 230 MaybeSendFecPacketAndCloseGroup(/*force=*/false);
231 231
232 DCHECK(InBatchMode() || !packet_creator_.HasPendingFrames()); 232 DCHECK(InBatchMode() || !packet_creator_.HasPendingFrames());
233 return QuicConsumedData(total_bytes_consumed, fin_consumed); 233 return QuicConsumedData(total_bytes_consumed, fin_consumed);
234 } 234 }
235 235
236 bool QuicPacketGenerator::CanSendWithNextPendingFrameAddition() const { 236 bool QuicPacketGenerator::CanSendWithNextPendingFrameAddition() const {
237 DCHECK(HasPendingFrames()); 237 DCHECK(HasPendingFrames());
238 HasRetransmittableData retransmittable = 238 HasRetransmittableData retransmittable =
239 (should_send_ack_ || should_send_stop_waiting_) 239 (should_send_ack_ || should_send_stop_waiting_)
240 ? NO_RETRANSMITTABLE_DATA 240 ? NO_RETRANSMITTABLE_DATA
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after
310 310
311 void QuicPacketGenerator::OnFecTimeout() { 311 void QuicPacketGenerator::OnFecTimeout() {
312 DCHECK(!InBatchMode()); 312 DCHECK(!InBatchMode());
313 if (!ShouldSendFecPacket(true)) { 313 if (!ShouldSendFecPacket(true)) {
314 LOG(DFATAL) << "No FEC packet to send on FEC timeout."; 314 LOG(DFATAL) << "No FEC packet to send on FEC timeout.";
315 return; 315 return;
316 } 316 }
317 // Flush out any pending frames in the generator and the creator, and then 317 // Flush out any pending frames in the generator and the creator, and then
318 // send out FEC packet. 318 // send out FEC packet.
319 SendQueuedFrames(true); 319 SendQueuedFrames(true);
320 MaybeSendFecPacketAndCloseGroup(/*flush=*/true); 320 MaybeSendFecPacketAndCloseGroup(/*force=*/true);
321 } 321 }
322 322
323 QuicTime::Delta QuicPacketGenerator::GetFecTimeout( 323 QuicTime::Delta QuicPacketGenerator::GetFecTimeout(
324 QuicPacketSequenceNumber sequence_number) { 324 QuicPacketSequenceNumber sequence_number) {
325 // Do not set up FEC alarm for |sequence_number| it is not the first packet in 325 // Do not set up FEC alarm for |sequence_number| it is not the first packet in
326 // the current group. 326 // the current group.
327 if (packet_creator_.IsFecGroupOpen() && 327 if (packet_creator_.IsFecGroupOpen() &&
328 (sequence_number == packet_creator_.fec_group_number())) { 328 (sequence_number == packet_creator_.fec_group_number())) {
329 return QuicTime::Delta::Max( 329 return QuicTime::Delta::Max(
330 fec_timeout_, QuicTime::Delta::FromMilliseconds(kMinFecTimeoutMs)); 330 fec_timeout_, QuicTime::Delta::FromMilliseconds(kMinFecTimeoutMs));
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after
400 SerializedPacket serialized_packet = packet_creator_.SerializePacket(); 400 SerializedPacket serialized_packet = packet_creator_.SerializePacket();
401 DCHECK(serialized_packet.packet); 401 DCHECK(serialized_packet.packet);
402 402
403 // There may be AckNotifiers interested in this packet. 403 // There may be AckNotifiers interested in this packet.
404 if (FLAGS_quic_attach_ack_notifiers_to_packets) { 404 if (FLAGS_quic_attach_ack_notifiers_to_packets) {
405 serialized_packet.notifiers.swap(ack_notifiers_); 405 serialized_packet.notifiers.swap(ack_notifiers_);
406 ack_notifiers_.clear(); 406 ack_notifiers_.clear();
407 } 407 }
408 408
409 delegate_->OnSerializedPacket(serialized_packet); 409 delegate_->OnSerializedPacket(serialized_packet);
410 MaybeSendFecPacketAndCloseGroup(/*flush=*/false); 410 MaybeSendFecPacketAndCloseGroup(/*force=*/false);
411 411
412 // The packet has now been serialized, safe to delete pending frames. 412 // The packet has now been serialized, safe to delete pending frames.
413 pending_ack_frame_.reset(); 413 pending_ack_frame_.reset();
414 pending_stop_waiting_frame_.reset(); 414 pending_stop_waiting_frame_.reset();
415 } 415 }
416 416
417 void QuicPacketGenerator::StopSendingVersion() { 417 void QuicPacketGenerator::StopSendingVersion() {
418 packet_creator_.StopSendingVersion(); 418 packet_creator_.StopSendingVersion();
419 } 419 }
420 420
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
459 packet_creator_.set_connection_id_length(PACKET_8BYTE_CONNECTION_ID); 459 packet_creator_.set_connection_id_length(PACKET_8BYTE_CONNECTION_ID);
460 } 460 }
461 } 461 }
462 462
463 463
464 void QuicPacketGenerator::set_encryption_level(EncryptionLevel level) { 464 void QuicPacketGenerator::set_encryption_level(EncryptionLevel level) {
465 packet_creator_.set_encryption_level(level); 465 packet_creator_.set_encryption_level(level);
466 } 466 }
467 467
468 } // namespace net 468 } // namespace net
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