Clang format slam.

net/quic/quic_connection.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/quic_connection.h"
 
 #include <string.h>
 #include <sys/types.h>
 #include <algorithm>
 #include <iterator>
@@ skipping 46 matching lines @@
 const size_t kMaxUndecryptablePackets = 10;
 
 bool Near(QuicPacketSequenceNumber a, QuicPacketSequenceNumber b) {
   QuicPacketSequenceNumber delta = (a > b) ? a - b : b - a;
   return delta <= kMaxPacketGap;
 }
 
 // An alarm that is scheduled to send an ack if a timeout occurs.
 class AckAlarm : public QuicAlarm::Delegate {
  public:
-  explicit AckAlarm(QuicConnection* connection)
-      : connection_(connection) {
-  }
+  explicit AckAlarm(QuicConnection* connection) : connection_(connection) {}
 
   virtual QuicTime OnAlarm() OVERRIDE {
     connection_->SendAck();
     return QuicTime::Zero();
   }
 
  private:
   QuicConnection* connection_;
 
   DISALLOW_COPY_AND_ASSIGN(AckAlarm);
 };
 
 // This alarm will be scheduled any time a data-bearing packet is sent out.
 // When the alarm goes off, the connection checks to see if the oldest packets
 // have been acked, and retransmit them if they have not.
 class RetransmissionAlarm : public QuicAlarm::Delegate {
  public:
   explicit RetransmissionAlarm(QuicConnection* connection)
-      : connection_(connection) {
-  }
+      : connection_(connection) {}
 
   virtual QuicTime OnAlarm() OVERRIDE {
     connection_->OnRetransmissionTimeout();
     return QuicTime::Zero();
   }
 
  private:
   QuicConnection* connection_;
 
   DISALLOW_COPY_AND_ASSIGN(RetransmissionAlarm);
 };
 
 // An alarm that is scheduled when the sent scheduler requires a
 // a delay before sending packets and fires when the packet may be sent.
 class SendAlarm : public QuicAlarm::Delegate {
  public:
-  explicit SendAlarm(QuicConnection* connection)
-      : connection_(connection) {
-  }
+  explicit SendAlarm(QuicConnection* connection) : connection_(connection) {}
 
   virtual QuicTime OnAlarm() OVERRIDE {
     connection_->WriteIfNotBlocked();
     // Never reschedule the alarm, since CanWrite does that.
     return QuicTime::Zero();
   }
 
  private:
   QuicConnection* connection_;
 
   DISALLOW_COPY_AND_ASSIGN(SendAlarm);
 };
 
 class TimeoutAlarm : public QuicAlarm::Delegate {
  public:
-  explicit TimeoutAlarm(QuicConnection* connection)
-      : connection_(connection) {
-  }
+  explicit TimeoutAlarm(QuicConnection* connection) : connection_(connection) {}
 
   virtual QuicTime OnAlarm() OVERRIDE {
     connection_->CheckForTimeout();
     // Never reschedule the alarm, since CheckForTimeout does that.
     return QuicTime::Zero();
   }
 
  private:
   QuicConnection* connection_;
 
   DISALLOW_COPY_AND_ASSIGN(TimeoutAlarm);
 };
 
 class PingAlarm : public QuicAlarm::Delegate {
  public:
-  explicit PingAlarm(QuicConnection* connection)
-      : connection_(connection) {
-  }
+  explicit PingAlarm(QuicConnection* connection) : connection_(connection) {}
 
   virtual QuicTime OnAlarm() OVERRIDE {
     connection_->SendPing();
     return QuicTime::Zero();
   }
 
  private:
   QuicConnection* connection_;
 
   DISALLOW_COPY_AND_ASSIGN(PingAlarm);
@@ skipping 10 matching lines @@
     }
   }
   return QuicConnection::NORMAL;
 }
 
 }  // namespace
 
 QuicConnection::QueuedPacket::QueuedPacket(SerializedPacket packet,
                                            EncryptionLevel level,
                                            TransmissionType transmission_type)
-  : sequence_number(packet.sequence_number),
-    packet(packet.packet),
-    encryption_level(level),
-    transmission_type(transmission_type),
-    retransmittable((transmission_type != NOT_RETRANSMISSION ||
-                     packet.retransmittable_frames != NULL) ?
-                         HAS_RETRANSMITTABLE_DATA : NO_RETRANSMITTABLE_DATA),
-    handshake(packet.retransmittable_frames == NULL ?
-      NOT_HANDSHAKE : packet.retransmittable_frames->HasCryptoHandshake()),
-    type(GetPacketType(packet.retransmittable_frames)),
-    length(packet.packet->length()) {
+    : sequence_number(packet.sequence_number),
+      packet(packet.packet),
+      encryption_level(level),
+      transmission_type(transmission_type),
+      retransmittable((transmission_type != NOT_RETRANSMISSION ||
+                       packet.retransmittable_frames != NULL)
+                          ? HAS_RETRANSMITTABLE_DATA
+                          : NO_RETRANSMITTABLE_DATA),
+      handshake(packet.retransmittable_frames == NULL
+                    ? NOT_HANDSHAKE
+                    : packet.retransmittable_frames->HasCryptoHandshake()),
+      type(GetPacketType(packet.retransmittable_frames)),
+      length(packet.packet->length()) {
 }
 
 #define ENDPOINT (is_server_ ? "Server: " : " Client: ")
 
 QuicConnection::QuicConnection(QuicConnectionId connection_id,
                                IPEndPoint address,
                                QuicConnectionHelperInterface* helper,
                                QuicPacketWriter* writer,
                                bool is_server,
                                const QuicVersionVector& supported_versions,
                                uint32 max_flow_control_receive_window_bytes)
-    : framer_(supported_versions, helper->GetClock()->ApproximateNow(),
+    : framer_(supported_versions,
+              helper->GetClock()->ApproximateNow(),
               is_server),
       helper_(helper),
       writer_(writer),
       encryption_level_(ENCRYPTION_NONE),
       clock_(helper->GetClock()),
       random_generator_(helper->GetRandomGenerator()),
       connection_id_(connection_id),
       peer_address_(address),
       last_packet_revived_(false),
       last_size_(0),
@@ skipping 12 matching lines @@
       ping_alarm_(helper->CreateAlarm(new PingAlarm(this))),
       debug_visitor_(NULL),
       packet_creator_(connection_id_, &framer_, random_generator_, is_server),
       packet_generator_(this, NULL, &packet_creator_),
       idle_network_timeout_(
           QuicTime::Delta::FromSeconds(kDefaultInitialTimeoutSecs)),
       overall_connection_timeout_(QuicTime::Delta::Infinite()),
       time_of_last_received_packet_(clock_->ApproximateNow()),
       time_of_last_sent_new_packet_(clock_->ApproximateNow()),
       sequence_number_of_last_sent_packet_(0),
-      sent_packet_manager_(
-          is_server, clock_, &stats_, kTCP,
-          FLAGS_quic_use_time_loss_detection ? kTime : kNack),
+      sent_packet_manager_(is_server,
+                           clock_,
+                           &stats_,
+                           kTCP,
+                           FLAGS_quic_use_time_loss_detection ? kTime : kNack),
       version_negotiation_state_(START_NEGOTIATION),
       is_server_(is_server),
       connected_(true),
       address_migrating_(false),
       max_flow_control_receive_window_bytes_(
           max_flow_control_receive_window_bytes) {
   if (max_flow_control_receive_window_bytes_ < kDefaultFlowControlSendWindow) {
     DLOG(ERROR) << "Initial receive window ("
                 << max_flow_control_receive_window_bytes_
                 << ") cannot be set lower than default ("
                 << kDefaultFlowControlSendWindow << ").";
     max_flow_control_receive_window_bytes_ = kDefaultFlowControlSendWindow;
   }
   if (!is_server_) {
     // Pacing will be enabled if the client negotiates it.
     sent_packet_manager_.MaybeEnablePacing();
   }
-  DVLOG(1) << ENDPOINT << "Created connection with connection_id: "
-           << connection_id;
+  DVLOG(1) << ENDPOINT
+           << "Created connection with connection_id: " << connection_id;
   timeout_alarm_->Set(clock_->ApproximateNow().Add(idle_network_timeout_));
   framer_.set_visitor(this);
   framer_.set_received_entropy_calculator(&received_packet_manager_);
   stats_.connection_creation_time = clock_->ApproximateNow();
 }
 
 QuicConnection::~QuicConnection() {
   STLDeleteElements(&undecryptable_packets_);
   STLDeleteValues(&group_map_);
   for (QueuedPacketList::iterator it = queued_packets_.begin();
-       it != queued_packets_.end(); ++it) {
+       it != queued_packets_.end();
+       ++it) {
     delete it->packet;
   }
 }
 
 void QuicConnection::SetFromConfig(const QuicConfig& config) {
   SetIdleNetworkTimeout(config.idle_connection_state_lifetime());
   sent_packet_manager_.SetFromConfig(config);
   // TODO(satyamshekhar): Set congestion control and ICSL also.
 }
 
 bool QuicConnection::SelectMutualVersion(
     const QuicVersionVector& available_versions) {
   // Try to find the highest mutual version by iterating over supported
   // versions, starting with the highest, and breaking out of the loop once we
   // find a matching version in the provided available_versions vector.
   const QuicVersionVector& supported_versions = framer_.supported_versions();
   for (size_t i = 0; i < supported_versions.size(); ++i) {
     const QuicVersion& version = supported_versions[i];
-    if (std::find(available_versions.begin(), available_versions.end(),
+    if (std::find(available_versions.begin(),
+                  available_versions.end(),
                   version) != available_versions.end()) {
       framer_.set_version(version);
       return true;
     }
   }
 
   return false;
 }
 
 void QuicConnection::OnError(QuicFramer* framer) {
   // Packets that we cannot decrypt are dropped.
   // TODO(rch): add stats to measure this.
   if (!connected_ || framer->error() == QUIC_DECRYPTION_FAILURE) {
     return;
   }
   SendConnectionCloseWithDetails(framer->error(), framer->detailed_error());
 }
 
 void QuicConnection::OnPacket() {
-  DCHECK(last_stream_frames_.empty() &&
-         last_goaway_frames_.empty() &&
-         last_window_update_frames_.empty() &&
-         last_blocked_frames_.empty() &&
-         last_rst_frames_.empty() &&
-         last_ack_frames_.empty() &&
-         last_congestion_frames_.empty() &&
-         last_stop_waiting_frames_.empty());
+  DCHECK(last_stream_frames_.empty() && last_goaway_frames_.empty() &&
+         last_window_update_frames_.empty() && last_blocked_frames_.empty() &&
+         last_rst_frames_.empty() && last_ack_frames_.empty() &&
+         last_congestion_frames_.empty() && last_stop_waiting_frames_.empty());
 }
 
-void QuicConnection::OnPublicResetPacket(
-    const QuicPublicResetPacket& packet) {
+void QuicConnection::OnPublicResetPacket(const QuicPublicResetPacket& packet) {
   if (debug_visitor_) {
     debug_visitor_->OnPublicResetPacket(packet);
   }
   CloseConnection(QUIC_PUBLIC_RESET, true);
 }
 
 bool QuicConnection::OnProtocolVersionMismatch(QuicVersion received_version) {
   DVLOG(1) << ENDPOINT << "Received packet with mismatched version "
            << received_version;
   // TODO(satyamshekhar): Implement no server state in this mode.
@@ skipping 58 matching lines @@
   }
   if (debug_visitor_) {
     debug_visitor_->OnVersionNegotiationPacket(packet);
   }
 
   if (version_negotiation_state_ != START_NEGOTIATION) {
     // Possibly a duplicate version negotiation packet.
     return;
   }
 
-  if (std::find(packet.versions.begin(),
-                packet.versions.end(), version()) !=
+  if (std::find(packet.versions.begin(), packet.versions.end(), version()) !=
       packet.versions.end()) {
     DLOG(WARNING) << ENDPOINT << "The server already supports our version. "
                   << "It should have accepted our connection.";
     // Just drop the connection.
     CloseConnection(QUIC_INVALID_VERSION_NEGOTIATION_PACKET, false);
     return;
   }
 
   if (!SelectMutualVersion(packet.versions)) {
     SendConnectionCloseWithDetails(QUIC_INVALID_VERSION,
@@ skipping 155 matching lines @@
 
   sent_packet_manager_.OnIncomingAck(incoming_ack.received_info,
                                      time_of_last_received_packet_);
   if (sent_packet_manager_.HasPendingRetransmissions()) {
     WriteIfNotBlocked();
   }
 
   // Always reset the retransmission alarm when an ack comes in, since we now
   // have a better estimate of the current rtt than when it was set.
   retransmission_alarm_->Cancel();
-  QuicTime retransmission_time =
-      sent_packet_manager_.GetRetransmissionTime();
+  QuicTime retransmission_time = sent_packet_manager_.GetRetransmissionTime();
   if (retransmission_time != QuicTime::Zero()) {
     retransmission_alarm_->Set(retransmission_time);
   }
 }
 
 void QuicConnection::ProcessStopWaitingFrame(
     const QuicStopWaitingFrame& stop_waiting) {
   largest_seen_packet_with_stop_waiting_ = last_header_.packet_sequence_number;
   received_packet_manager_.UpdatePacketInformationSentByPeer(stop_waiting);
   // Possibly close any FecGroups which are now irrelevant.
@@ skipping 44 matching lines @@
   if (incoming_ack.received_info.largest_observed >
       packet_creator_.sequence_number()) {
     DLOG(ERROR) << ENDPOINT << "Peer's observed unsent packet:"
                 << incoming_ack.received_info.largest_observed << " vs "
                 << packet_creator_.sequence_number();
     // We got an error for data we have not sent.  Error out.
     return false;
   }
 
   if (incoming_ack.received_info.largest_observed <
-          received_packet_manager_.peer_largest_observed_packet()) {
+      received_packet_manager_.peer_largest_observed_packet()) {
     DLOG(ERROR) << ENDPOINT << "Peer's largest_observed packet decreased:"
                 << incoming_ack.received_info.largest_observed << " vs "
                 << received_packet_manager_.peer_largest_observed_packet();
     // A new ack has a diminished largest_observed value.  Error out.
     // If this was an old packet, we wouldn't even have checked.
     return false;
   }
 
   if (version() <= QUIC_VERSION_15) {
     if (!ValidateStopWaitingFrame(incoming_ack.sent_info)) {
       return false;
     }
   }
 
   if (!incoming_ack.received_info.missing_packets.empty() &&
       *incoming_ack.received_info.missing_packets.rbegin() >
-      incoming_ack.received_info.largest_observed) {
+          incoming_ack.received_info.largest_observed) {
     DLOG(ERROR) << ENDPOINT << "Peer sent missing packet: "
                 << *incoming_ack.received_info.missing_packets.rbegin()
                 << " which is greater than largest observed: "
                 << incoming_ack.received_info.largest_observed;
     return false;
   }
 
   if (!incoming_ack.received_info.missing_packets.empty() &&
       *incoming_ack.received_info.missing_packets.begin() <
-      received_packet_manager_.least_packet_awaited_by_peer()) {
+          received_packet_manager_.least_packet_awaited_by_peer()) {
     DLOG(ERROR) << ENDPOINT << "Peer sent missing packet: "
                 << *incoming_ack.received_info.missing_packets.begin()
                 << " which is smaller than least_packet_awaited_by_peer_: "
                 << received_packet_manager_.least_packet_awaited_by_peer();
     return false;
   }
 
   if (!sent_entropy_manager_.IsValidEntropy(
           incoming_ack.received_info.largest_observed,
           incoming_ack.received_info.missing_packets,
           incoming_ack.received_info.entropy_hash)) {
     DLOG(ERROR) << ENDPOINT << "Peer sent invalid entropy.";
     return false;
   }
 
   for (SequenceNumberSet::const_iterator iter =
            incoming_ack.received_info.revived_packets.begin();
-       iter != incoming_ack.received_info.revived_packets.end(); ++iter) {
+       iter != incoming_ack.received_info.revived_packets.end();
+       ++iter) {
     if (!ContainsKey(incoming_ack.received_info.missing_packets, *iter)) {
       DLOG(ERROR) << ENDPOINT
                   << "Peer specified revived packet which was not missing.";
       return false;
     }
   }
   return true;
 }
 
 bool QuicConnection::ValidateStopWaitingFrame(
     const QuicStopWaitingFrame& stop_waiting) {
   if (stop_waiting.least_unacked <
       received_packet_manager_.peer_least_packet_awaiting_ack()) {
     DLOG(ERROR) << ENDPOINT << "Peer's sent low least_unacked: "
                 << stop_waiting.least_unacked << " vs "
                 << received_packet_manager_.peer_least_packet_awaiting_ack();
     // We never process old ack frames, so this number should only increase.
     return false;
   }
 
-  if (stop_waiting.least_unacked >
-      last_header_.packet_sequence_number) {
-    DLOG(ERROR) << ENDPOINT << "Peer sent least_unacked:"
-                << stop_waiting.least_unacked
+  if (stop_waiting.least_unacked > last_header_.packet_sequence_number) {
+    DLOG(ERROR) << ENDPOINT
+                << "Peer sent least_unacked:" << stop_waiting.least_unacked
                 << " greater than the enclosing packet sequence number:"
                 << last_header_.packet_sequence_number;
     return false;
   }
 
   return true;
 }
 
 void QuicConnection::OnFecData(const QuicFecData& fec) {
   DCHECK_EQ(IN_FEC_GROUP, last_header_.is_in_fec_group);
@@ skipping 16 matching lines @@
 }
 
 bool QuicConnection::OnConnectionCloseFrame(
     const QuicConnectionCloseFrame& frame) {
   DCHECK(connected_);
   if (debug_visitor_) {
     debug_visitor_->OnConnectionCloseFrame(frame);
   }
   DVLOG(1) << ENDPOINT << "Connection " << connection_id()
            << " closed with error "
-           << QuicUtils::ErrorToString(frame.error_code)
-           << " " << frame.error_details;
+           << QuicUtils::ErrorToString(frame.error_code) << " "
+           << frame.error_details;
   last_close_frames_.push_back(frame);
   return connected_;
 }
 
 bool QuicConnection::OnGoAwayFrame(const QuicGoAwayFrame& frame) {
   DCHECK(connected_);
   DVLOG(1) << ENDPOINT << "Go away received with error "
            << QuicUtils::ErrorToString(frame.error_code)
            << " and reason:" << frame.reason_phrase;
   last_goaway_frames_.push_back(frame);
   return connected_;
 }
 
 bool QuicConnection::OnWindowUpdateFrame(const QuicWindowUpdateFrame& frame) {
   DCHECK(connected_);
-  DVLOG(1) << ENDPOINT << "WindowUpdate received for stream: "
-           << frame.stream_id << " with byte offset: " << frame.byte_offset;
+  DVLOG(1) << ENDPOINT
+           << "WindowUpdate received for stream: " << frame.stream_id
+           << " with byte offset: " << frame.byte_offset;
   last_window_update_frames_.push_back(frame);
   return connected_;
 }
 
 bool QuicConnection::OnBlockedFrame(const QuicBlockedFrame& frame) {
   DCHECK(connected_);
-  DVLOG(1) << ENDPOINT << "Blocked frame received for stream: "
-           << frame.stream_id;
+  DVLOG(1) << ENDPOINT
+           << "Blocked frame received for stream: " << frame.stream_id;
   last_blocked_frames_.push_back(frame);
   return connected_;
 }
 
 void QuicConnection::OnPacketComplete() {
   // Don't do anything if this packet closed the connection.
   if (!connected_) {
     ClearLastFrames();
     return;
   }
 
   DVLOG(1) << ENDPOINT << (last_packet_revived_ ? "Revived" : "Got")
-           << " packet " << last_header_.packet_sequence_number
-           << " with " << last_ack_frames_.size() << " acks, "
+           << " packet " << last_header_.packet_sequence_number << " with "
+           << last_ack_frames_.size() << " acks, "
            << last_congestion_frames_.size() << " congestions, "
            << last_stop_waiting_frames_.size() << " stop_waiting, "
            << last_goaway_frames_.size() << " goaways, "
            << last_window_update_frames_.size() << " window updates, "
            << last_blocked_frames_.size() << " blocked, "
-           << last_rst_frames_.size() << " rsts, "
-           << last_close_frames_.size() << " closes, "
-           << last_stream_frames_.size()
-           << " stream frames for "
+           << last_rst_frames_.size() << " rsts, " << last_close_frames_.size()
+           << " closes, " << last_stream_frames_.size() << " stream frames for "
            << last_header_.public_header.connection_id;
 
   // Call MaybeQueueAck() before recording the received packet, since we want
   // to trigger an ack if the newly received packet was previously missing.
   MaybeQueueAck();
 
   // Record received or revived packet to populate ack info correctly before
   // processing stream frames, since the processing may result in a response
   // packet with a bundled ack.
   if (last_packet_revived_) {
@@ skipping 48 matching lines @@
     ack_alarm_->Cancel();
   }
 
   UpdateStopWaitingCount();
 
   ClearLastFrames();
 }
 
 void QuicConnection::MaybeQueueAck() {
   // If the incoming packet was missing, send an ack immediately.
-  ack_queued_ = received_packet_manager_.IsMissing(
-      last_header_.packet_sequence_number);
+  ack_queued_ =
+      received_packet_manager_.IsMissing(last_header_.packet_sequence_number);
 
   if (!ack_queued_ && ShouldLastPacketInstigateAck()) {
     if (ack_alarm_->IsSet()) {
       ack_queued_ = true;
     } else {
       // Send an ack much more quickly for crypto handshake packets.
       QuicTime::Delta delayed_ack_time = sent_packet_manager_.DelayedAckTime();
       if (last_stream_frames_.size() == 1 &&
           last_stream_frames_[0].stream_id == kCryptoStreamId) {
         delayed_ack_time = QuicTime::Delta::Zero();
@@ skipping 32 matching lines @@
   return new QuicCongestionFeedbackFrame(outgoing_congestion_feedback_);
 }
 
 QuicStopWaitingFrame* QuicConnection::CreateStopWaitingFrame() {
   QuicStopWaitingFrame stop_waiting;
   UpdateStopWaiting(&stop_waiting);
   return new QuicStopWaitingFrame(stop_waiting);
 }
 
 bool QuicConnection::ShouldLastPacketInstigateAck() const {
-  if (!last_stream_frames_.empty() ||
-      !last_goaway_frames_.empty() ||
-      !last_rst_frames_.empty() ||
-      !last_window_update_frames_.empty() ||
+  if (!last_stream_frames_.empty() || !last_goaway_frames_.empty() ||
+      !last_rst_frames_.empty() || !last_window_update_frames_.empty() ||
       !last_blocked_frames_.empty()) {
     return true;
   }
 
   if (!last_ack_frames_.empty() &&
       last_ack_frames_.back().received_info.is_truncated) {
     return true;
   }
   return false;
 }
 
 void QuicConnection::UpdateStopWaitingCount() {
   if (last_ack_frames_.empty()) {
     return;
   }
 
   // If the peer is still waiting for a packet that we are no longer planning to
   // send, send an ack to raise the high water mark.
   if (!last_ack_frames_.back().received_info.missing_packets.empty() &&
       GetLeastUnacked() >
           *last_ack_frames_.back().received_info.missing_packets.begin()) {
     ++stop_waiting_count_;
   } else {
     stop_waiting_count_ = 0;
   }
 }
 
 QuicPacketSequenceNumber QuicConnection::GetLeastUnacked() const {
-  return sent_packet_manager_.HasUnackedPackets() ?
-      sent_packet_manager_.GetLeastUnackedSentPacket() :
-      packet_creator_.sequence_number() + 1;
+  return sent_packet_manager_.HasUnackedPackets()
+             ? sent_packet_manager_.GetLeastUnackedSentPacket()
+             : packet_creator_.sequence_number() + 1;
 }
 
 void QuicConnection::MaybeSendInResponseToPacket() {
   if (!connected_) {
     return;
   }
   ScopedPacketBundler bundler(this, ack_queued_ ? SEND_ACK : NO_ACK);
 
   // Now that we have received an ack, we might be able to send packets which
   // are queued locally, or drain streams which are blocked.
-  QuicTime::Delta delay = sent_packet_manager_.TimeUntilSend(
-      time_of_last_received_packet_, NOT_RETRANSMISSION,
-      HAS_RETRANSMITTABLE_DATA);
+  QuicTime::Delta delay =
+      sent_packet_manager_.TimeUntilSend(time_of_last_received_packet_,
+                                         NOT_RETRANSMISSION,
+                                         HAS_RETRANSMITTABLE_DATA);
   if (delay.IsZero()) {
     send_alarm_->Cancel();
     WriteIfNotBlocked();
   } else if (!delay.IsInfinite()) {
     send_alarm_->Cancel();
     send_alarm_->Set(time_of_last_received_packet_.Add(delay));
   }
 }
 
 void QuicConnection::SendVersionNegotiationPacket() {
   // TODO(alyssar): implement zero server state negotiation.
   pending_version_negotiation_packet_ = true;
   if (writer_->IsWriteBlocked()) {
     visitor_->OnWriteBlocked();
     return;
   }
   scoped_ptr<QuicEncryptedPacket> version_packet(
       packet_creator_.SerializeVersionNegotiationPacket(
           framer_.supported_versions()));
-  WriteResult result = writer_->WritePacket(
-      version_packet->data(), version_packet->length(),
-      self_address().address(), peer_address());
+  WriteResult result = writer_->WritePacket(version_packet->data(),
+                                            version_packet->length(),
+                                            self_address().address(),
+                                            peer_address());
 
   if (result.status == WRITE_STATUS_ERROR) {
     // We can't send an error as the socket is presumably borked.
     CloseConnection(QUIC_PACKET_WRITE_ERROR, false);
     return;
   }
   if (result.status == WRITE_STATUS_BLOCKED) {
     visitor_->OnWriteBlocked();
     if (writer_->IsWriteBlockedDataBuffered()) {
       pending_version_negotiation_packet_ = false;
@@ skipping 130 matching lines @@
   MaybeSendInResponseToPacket();
   SetPingAlarm();
 }
 
 void QuicConnection::OnCanWrite() {
   DCHECK(!writer_->IsWriteBlocked());
 
   WriteQueuedPackets();
   WritePendingRetransmissions();
 
-  IsHandshake pending_handshake = visitor_->HasPendingHandshake() ?
-      IS_HANDSHAKE : NOT_HANDSHAKE;
+  IsHandshake pending_handshake =
+      visitor_->HasPendingHandshake() ? IS_HANDSHAKE : NOT_HANDSHAKE;
   // Sending queued packets may have caused the socket to become write blocked,
   // or the congestion manager to prohibit sending.  If we've sent everything
   // we had queued and we're still not blocked, let the visitor know it can
   // write more.
-  if (!CanWrite(NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA,
-                pending_handshake)) {
+  if (!CanWrite(
+          NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA, pending_handshake)) {
     return;
   }
 
   {  // Limit the scope of the bundler.
     // Set |include_ack| to false in bundler; ack inclusion happens elsewhere.
     ScopedPacketBundler bundler(this, NO_ACK);
     visitor_->OnCanWrite();
   }
 
   // After the visitor writes, it may have caused the socket to become write
   // blocked or the congestion manager to prohibit sending, so check again.
-  pending_handshake = visitor_->HasPendingHandshake() ?
-      IS_HANDSHAKE : NOT_HANDSHAKE;
+  pending_handshake =
+      visitor_->HasPendingHandshake() ? IS_HANDSHAKE : NOT_HANDSHAKE;
   if (visitor_->HasPendingWrites() && !resume_writes_alarm_->IsSet() &&
-      CanWrite(NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA,
-               pending_handshake)) {
+      CanWrite(
+          NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA, pending_handshake)) {
     // We're not write blocked, but some stream didn't write out all of its
     // bytes. Register for 'immediate' resumption so we'll keep writing after
     // other connections and events have had a chance to use the thread.
     resume_writes_alarm_->Set(clock_->ApproximateNow());
   }
 }
 
 void QuicConnection::WriteIfNotBlocked() {
   if (!writer_->IsWriteBlocked()) {
     OnCanWrite();
@@ skipping 39 matching lines @@
   }
 }
 
 void QuicConnection::WritePendingRetransmissions() {
   // Keep writing as long as there's a pending retransmission which can be
   // written.
   while (sent_packet_manager_.HasPendingRetransmissions()) {
     const QuicSentPacketManager::PendingRetransmission pending =
         sent_packet_manager_.NextPendingRetransmission();
     if (GetPacketType(&pending.retransmittable_frames) == NORMAL &&
-        !CanWrite(pending.transmission_type, HAS_RETRANSMITTABLE_DATA,
+        !CanWrite(pending.transmission_type,
+                  HAS_RETRANSMITTABLE_DATA,
                   pending.retransmittable_frames.HasCryptoHandshake())) {
       break;
     }
 
     // Re-packetize the frames with a new sequence number for retransmission.
     // Retransmitted data packets do not use FEC, even when it's enabled.
     // Retransmitted packets use the same sequence number length as the
     // original.
     // Flush the packet creator before making a new packet.
     // TODO(ianswett): Implement ReserializeAllFrames as a separate path that
     // does not require the creator to be flushed.
     Flush();
     SerializedPacket serialized_packet = packet_creator_.ReserializeAllFrames(
         pending.retransmittable_frames.frames(),
         pending.sequence_number_length);
 
     DVLOG(1) << ENDPOINT << "Retransmitting " << pending.sequence_number
              << " as " << serialized_packet.sequence_number;
     if (debug_visitor_) {
-      debug_visitor_->OnPacketRetransmitted(
-          pending.sequence_number, serialized_packet.sequence_number);
+      debug_visitor_->OnPacketRetransmitted(pending.sequence_number,
+                                            serialized_packet.sequence_number);
     }
     sent_packet_manager_.OnRetransmittedPacket(
         pending.sequence_number, serialized_packet.sequence_number);
 
     SendOrQueuePacket(pending.retransmittable_frames.encryption_level(),
                       serialized_packet,
                       pending.transmission_type);
   }
 }
 
@@ skipping 56 matching lines @@
     send_alarm_->Cancel();
     send_alarm_->Set(now.Add(delay));
     DVLOG(1) << "Delaying sending.";
     return false;
   }
   return true;
 }
 
 bool QuicConnection::WritePacket(QueuedPacket packet) {
   QuicPacketSequenceNumber sequence_number = packet.sequence_number;
-  if (ShouldDiscardPacket(packet.encryption_level,
-                          sequence_number,
-                          packet.retransmittable)) {
+  if (ShouldDiscardPacket(
+          packet.encryption_level, sequence_number, packet.retransmittable)) {
     ++stats_.packets_discarded;
     return true;
   }
 
   // If the packet is CONNECTION_CLOSE, we need to try to send it immediately
   // and encrypt it to hand it off to TimeWaitListManager.
   // If the packet is QUEUED, we don't re-consult the congestion control.
   // This ensures packets are sent in sequence number order.
   // TODO(ianswett): The congestion control should have been consulted before
   // serializing the packet, so this could be turned into a LOG_IF(DFATAL).
-  if (packet.type == NORMAL && !CanWrite(packet.transmission_type,
-                                         packet.retransmittable,
-                                         packet.handshake)) {
+  if (packet.type == NORMAL &&
+      !CanWrite(
+          packet.transmission_type, packet.retransmittable, packet.handshake)) {
     return false;
   }
 
   // Some encryption algorithms require the packet sequence numbers not be
   // repeated.
   DCHECK_LE(sequence_number_of_last_sent_packet_, sequence_number);
   sequence_number_of_last_sent_packet_ = sequence_number;
 
   QuicEncryptedPacket* encrypted = framer_.EncryptPacket(
       packet.encryption_level, sequence_number, *packet.packet);
@@ skipping 16 matching lines @@
     if (writer_->IsWriteBlocked()) {
       visitor_->OnWriteBlocked();
       return true;
     }
   } else {
     encrypted_deleter.reset(encrypted);
   }
 
   LOG_IF(DFATAL, encrypted->length() > options()->max_packet_length)
       << "Writing an encrypted packet larger than max_packet_length:"
-      << options()->max_packet_length << " encrypted length: "
-      << encrypted->length();
-  DVLOG(1) << ENDPOINT << "Sending packet " << sequence_number
-           << " : " << (packet.packet->is_fec_packet() ? "FEC " :
-               (packet.retransmittable == HAS_RETRANSMITTABLE_DATA
-                    ? "data bearing " : " ack only "))
-           << ", encryption level: "
+      << options()->max_packet_length
+      << " encrypted length: " << encrypted->length();
+  DVLOG(1) << ENDPOINT << "Sending packet " << sequence_number << " : "
+           << (packet.packet->is_fec_packet()
+                   ? "FEC "
+                   : (packet.retransmittable == HAS_RETRANSMITTABLE_DATA
+                          ? "data bearing "
+                          : " ack only ")) << ", encryption level: "
            << QuicUtils::EncryptionLevelToString(packet.encryption_level)
-           << ", length:" << packet.packet->length() << ", encrypted length:"
-           << encrypted->length();
+           << ", length:" << packet.packet->length()
+           << ", encrypted length:" << encrypted->length();
   DVLOG(2) << ENDPOINT << "packet(" << sequence_number << "): " << std::endl
            << QuicUtils::StringToHexASCIIDump(packet.packet->AsStringPiece());
 
   DCHECK(encrypted->length() <= kMaxPacketSize ||
          FLAGS_quic_allow_oversized_packets_for_test)
-      << "Packet " << sequence_number << " will not be read; too large: "
-      << packet.packet->length() << " " << encrypted->length() << " "
+      << "Packet " << sequence_number
+      << " will not be read; too large: " << packet.packet->length() << " "
+      << encrypted->length() << " "
       << " close: " << (packet.type == CONNECTION_CLOSE ? "yes" : "no");
 
   DCHECK(pending_write_.get() == NULL);
   pending_write_.reset(new QueuedPacket(packet));
 
   WriteResult result = writer_->WritePacket(encrypted->data(),
                                             encrypted->length(),
                                             self_address().address(),
                                             peer_address());
   if (result.error_code == ERR_IO_PENDING) {
@@ skipping 24 matching lines @@
     return true;
   }
   return false;
 }
 
 bool QuicConnection::ShouldDiscardPacket(
     EncryptionLevel level,
     QuicPacketSequenceNumber sequence_number,
     HasRetransmittableData retransmittable) {
   if (!connected_) {
-    DVLOG(1) << ENDPOINT
-             << "Not sending packet as connection is disconnected.";
+    DVLOG(1) << ENDPOINT << "Not sending packet as connection is disconnected.";
     return true;
   }
 
   if (encryption_level_ == ENCRYPTION_FORWARD_SECURE &&
       level == ENCRYPTION_NONE) {
     // Drop packets that are NULL encrypted since the peer won't accept them
     // anymore.
     DVLOG(1) << ENDPOINT << "Dropping packet: " << sequence_number
              << " since the packet is NULL encrypted.";
     sent_packet_manager_.DiscardUnackedPacket(sequence_number);
     return true;
   }
 
   // If the packet has been discarded before sending, don't send it.
   // This occurs if a packet gets serialized, queued, then discarded.
   if (!sent_packet_manager_.IsUnacked(sequence_number)) {
-    DVLOG(1) << ENDPOINT << "Dropping packet before sending: "
-             << sequence_number << " since it has already been discarded.";
+    DVLOG(1) << ENDPOINT
+             << "Dropping packet before sending: " << sequence_number
+             << " since it has already been discarded.";
     return true;
   }
 
   if (retransmittable == HAS_RETRANSMITTABLE_DATA &&
       !sent_packet_manager_.HasRetransmittableFrames(sequence_number)) {
     DVLOG(1) << ENDPOINT << "Dropping packet: " << sequence_number
              << " since a previous transmission has been acked.";
     sent_packet_manager_.DiscardUnackedPacket(sequence_number);
     return true;
   }
 
   return false;
 }
 
 bool QuicConnection::OnPacketSent(WriteResult result) {
   DCHECK_NE(WRITE_STATUS_BLOCKED, result.status);
   if (pending_write_.get() == NULL) {
     LOG(DFATAL) << "OnPacketSent called without a pending write.";
     return false;
   }
 
   QuicPacketSequenceNumber sequence_number = pending_write_->sequence_number;
-  TransmissionType transmission_type  = pending_write_->transmission_type;
+  TransmissionType transmission_type = pending_write_->transmission_type;
   HasRetransmittableData retransmittable = pending_write_->retransmittable;
   size_t length = pending_write_->length;
   pending_write_.reset();
 
   if (result.status == WRITE_STATUS_ERROR) {
     DVLOG(1) << "Write failed with error: " << result.error_code << " ("
              << ErrorToString(result.error_code) << ")";
     // We can't send an error as the socket is presumably borked.
     CloseConnection(QUIC_PACKET_WRITE_ERROR, false);
     return false;
   }
 
   QuicTime now = clock_->Now();
   if (transmission_type == NOT_RETRANSMISSION) {
     time_of_last_sent_new_packet_ = now;
   }
   SetPingAlarm();
-  DVLOG(1) << ENDPOINT << "time of last sent packet: "
-           << now.ToDebuggingValue();
+  DVLOG(1) << ENDPOINT
+           << "time of last sent packet: " << now.ToDebuggingValue();
 
   // TODO(ianswett): Change the sequence number length and other packet creator
   // options by a more explicit API than setting a struct value directly.
   packet_creator_.UpdateSequenceNumberLength(
       received_packet_manager_.least_packet_awaited_by_peer(),
       sent_packet_manager_.GetCongestionWindow());
 
-  bool reset_retransmission_alarm =
-      sent_packet_manager_.OnPacketSent(sequence_number, now, length,
-                                        transmission_type, retransmittable);
+  bool reset_retransmission_alarm = sent_packet_manager_.OnPacketSent(
+      sequence_number, now, length, transmission_type, retransmittable);
 
   if (reset_retransmission_alarm || !retransmission_alarm_->IsSet()) {
     retransmission_alarm_->Cancel();
     QuicTime retransmission_time = sent_packet_manager_.GetRetransmissionTime();
     if (retransmission_time != QuicTime::Zero()) {
       retransmission_alarm_->Set(retransmission_time);
     }
   }
 
   stats_.bytes_sent += result.bytes_written;
   ++stats_.packets_sent;
 
   if (transmission_type != NOT_RETRANSMISSION) {
     stats_.bytes_retransmitted += result.bytes_written;
     ++stats_.packets_retransmitted;
   }
 
   return true;
 }
 
 bool QuicConnection::OnSerializedPacket(
     const SerializedPacket& serialized_packet) {
   if (serialized_packet.retransmittable_frames) {
-    serialized_packet.retransmittable_frames->
-        set_encryption_level(encryption_level_);
+    serialized_packet.retransmittable_frames->set_encryption_level(
+        encryption_level_);
   }
   sent_packet_manager_.OnSerializedPacket(serialized_packet);
   // The TransmissionType is NOT_RETRANSMISSION because all retransmissions
   // serialize packets and invoke SendOrQueuePacket directly.
-  return SendOrQueuePacket(encryption_level_,
-                           serialized_packet,
-                           NOT_RETRANSMISSION);
+  return SendOrQueuePacket(
+      encryption_level_, serialized_packet, NOT_RETRANSMISSION);
 }
 
 bool QuicConnection::SendOrQueuePacket(EncryptionLevel level,
                                        const SerializedPacket& packet,
                                        TransmissionType transmission_type) {
   if (packet.packet == NULL) {
     LOG(DFATAL) << "NULL packet passed in to SendOrQueuePacket";
     return true;
   }
 
   sent_entropy_manager_.RecordPacketEntropyHash(packet.sequence_number,
                                                 packet.entropy_hash);
   QueuedPacket queued_packet(packet, level, transmission_type);
   // If there are already queued packets, put this at the end,
   // unless it's ConnectionClose, in which case it is written immediately.
   if ((queued_packet.type == CONNECTION_CLOSE || queued_packets_.empty()) &&
       WritePacket(queued_packet)) {
     delete packet.packet;
     return true;
   }
   queued_packet.type = QUEUED;
   queued_packets_.push_back(queued_packet);
   return false;
 }
 
 void QuicConnection::UpdateStopWaiting(QuicStopWaitingFrame* stop_waiting) {
   stop_waiting->least_unacked = GetLeastUnacked();
-  stop_waiting->entropy_hash = sent_entropy_manager_.EntropyHash(
-      stop_waiting->least_unacked - 1);
+  stop_waiting->entropy_hash =
+      sent_entropy_manager_.EntropyHash(stop_waiting->least_unacked - 1);
 }
 
 void QuicConnection::SendPing() {
   if (retransmission_alarm_->IsSet()) {
     return;
   }
   if (version() <= QUIC_VERSION_17) {
     // TODO(rch): remove this when we remove version 17.
     // This is a horrible hideous hack which we should not support.
     IOVector data;
@@ skipping 11 matching lines @@
 
 void QuicConnection::SendAck() {
   ack_alarm_->Cancel();
   stop_waiting_count_ = 0;
   // TODO(rch): delay this until the CreateFeedbackFrame
   // method is invoked.  This requires changes SetShouldSendAck
   // to be a no-arg method, and re-jiggering its implementation.
   bool send_feedback = false;
   if (received_packet_manager_.GenerateCongestionFeedback(
           &outgoing_congestion_feedback_)) {
-    DVLOG(1) << ENDPOINT << "Sending feedback: "
-             << outgoing_congestion_feedback_;
+    DVLOG(1) << ENDPOINT
+             << "Sending feedback: " << outgoing_congestion_feedback_;
     send_feedback = true;
   }
 
   packet_generator_.SetShouldSendAck(send_feedback,
                                      version() > QUIC_VERSION_15);
 }
 
 void QuicConnection::OnRetransmissionTimeout() {
   if (!sent_packet_manager_.HasUnackedPackets()) {
     return;
@@ skipping 142 matching lines @@
   if (connected_) {
     // It's possible that while sending the connection close packet, we get a
     // socket error and disconnect right then and there.  Avoid a double
     // disconnect in that case.
     CloseConnection(error, false);
   }
 }
 
 void QuicConnection::SendConnectionClosePacket(QuicErrorCode error,
                                                const string& details) {
-  DVLOG(1) << ENDPOINT << "Force closing " << connection_id()
-           << " with error " << QuicUtils::ErrorToString(error)
-           << " (" << error << ") " << details;
+  DVLOG(1) << ENDPOINT << "Force closing " << connection_id() << " with error "
+           << QuicUtils::ErrorToString(error) << " (" << error << ") "
+           << details;
   ScopedPacketBundler ack_bundler(this, SEND_ACK);
   QuicConnectionCloseFrame* frame = new QuicConnectionCloseFrame();
   frame->error_code = error;
   frame->error_details = details;
   packet_generator_.AddControlFrame(QuicFrame(frame));
   Flush();
 }
 
 void QuicConnection::CloseConnection(QuicErrorCode error, bool from_peer) {
   if (!connected_) {
     DLOG(DFATAL) << "Error: attempt to close an already closed connection"
                  << base::debug::StackTrace().ToString();
     return;
   }
   connected_ = false;
   visitor_->OnConnectionClosed(error, from_peer);
   // Cancel the alarms so they don't trigger any action now that the
   // connection is closed.
   ack_alarm_->Cancel();
   resume_writes_alarm_->Cancel();
   retransmission_alarm_->Cancel();
   send_alarm_->Cancel();
   timeout_alarm_->Cancel();
 }
 
 void QuicConnection::SendGoAway(QuicErrorCode error,
                                 QuicStreamId last_good_stream_id,
                                 const string& reason) {
   DVLOG(1) << ENDPOINT << "Going away with error "
-           << QuicUtils::ErrorToString(error)
-           << " (" << error << ")";
+           << QuicUtils::ErrorToString(error) << " (" << error << ")";
 
   // Opportunistically bundle an ack with this outgoing packet.
   ScopedPacketBundler ack_bundler(this, BUNDLE_PENDING_ACK);
   packet_generator_.AddControlFrame(
       QuicFrame(new QuicGoAwayFrame(error, last_good_stream_id, reason)));
 }
 
 void QuicConnection::CloseFecGroupsBefore(
     QuicPacketSequenceNumber sequence_number) {
   FecGroupMap::iterator it = group_map_.begin();
@@ skipping 13 matching lines @@
     delete fec_group;
     it = next;
   }
 }
 
 void QuicConnection::Flush() {
   packet_generator_.FlushAllQueuedFrames();
 }
 
 bool QuicConnection::HasQueuedData() const {
-  return pending_version_negotiation_packet_ ||
-      !queued_packets_.empty() || packet_generator_.HasQueuedFrames();
+  return pending_version_negotiation_packet_ || !queued_packets_.empty() ||
+         packet_generator_.HasQueuedFrames();
 }
 
 bool QuicConnection::CanWriteStreamData() {
   // Don't write stream data if there are negotiation or queued data packets
   // to send. Otherwise, continue and bundle as many frames as possible.
   if (pending_version_negotiation_packet_ || !queued_packets_.empty()) {
     return false;
   }
 
-  IsHandshake pending_handshake = visitor_->HasPendingHandshake() ?
-      IS_HANDSHAKE : NOT_HANDSHAKE;
+  IsHandshake pending_handshake =
+      visitor_->HasPendingHandshake() ? IS_HANDSHAKE : NOT_HANDSHAKE;
   // Sending queued packets may have caused the socket to become write blocked,
   // or the congestion manager to prohibit sending.  If we've sent everything
   // we had queued and we're still not blocked, let the visitor know it can
   // write more.
-  return ShouldGeneratePacket(NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA,
-                              pending_handshake);
+  return ShouldGeneratePacket(
+      NOT_RETRANSMISSION, HAS_RETRANSMITTABLE_DATA, pending_handshake);
 }
 
 void QuicConnection::SetIdleNetworkTimeout(QuicTime::Delta timeout) {
   if (timeout < idle_network_timeout_) {
     idle_network_timeout_ = timeout;
     CheckForTimeout();
   } else {
     idle_network_timeout_ = timeout;
   }
 }
 
 void QuicConnection::SetOverallConnectionTimeout(QuicTime::Delta timeout) {
   if (timeout < overall_connection_timeout_) {
     overall_connection_timeout_ = timeout;
     CheckForTimeout();
   } else {
     overall_connection_timeout_ = timeout;
   }
 }
 
 bool QuicConnection::CheckForTimeout() {
   QuicTime now = clock_->ApproximateNow();
-  QuicTime time_of_last_packet = max(time_of_last_received_packet_,
-                                     time_of_last_sent_new_packet_);
+  QuicTime time_of_last_packet =
+      max(time_of_last_received_packet_, time_of_last_sent_new_packet_);
 
   // |delta| can be < 0 as |now| is approximate time but |time_of_last_packet|
   // is accurate time. However, this should not change the behavior of
   // timeout handling.
   QuicTime::Delta delta = now.Subtract(time_of_last_packet);
   DVLOG(1) << ENDPOINT << "last packet "
            << time_of_last_packet.ToDebuggingValue()
            << " now:" << now.ToDebuggingValue()
            << " delta:" << delta.ToMicroseconds()
            << " network_timeout: " << idle_network_timeout_.ToMicroseconds();
   if (delta >= idle_network_timeout_) {
     DVLOG(1) << ENDPOINT << "Connection timedout due to no network activity.";
     SendConnectionClose(QUIC_CONNECTION_TIMED_OUT);
     return true;
   }
 
   // Next timeout delta.
   QuicTime::Delta timeout = idle_network_timeout_.Subtract(delta);
 
   if (!overall_connection_timeout_.IsInfinite()) {
     QuicTime::Delta connected_time =
         now.Subtract(stats_.connection_creation_time);
-    DVLOG(1) << ENDPOINT << "connection time: "
-             << connected_time.ToMilliseconds() << " overall timeout: "
+    DVLOG(1) << ENDPOINT
+             << "connection time: " << connected_time.ToMilliseconds()
+             << " overall timeout: "
              << overall_connection_timeout_.ToMilliseconds();
     if (connected_time >= overall_connection_timeout_) {
-      DVLOG(1) << ENDPOINT <<
-          "Connection timedout due to overall connection timeout.";
+      DVLOG(1) << ENDPOINT
+               << "Connection timedout due to overall connection timeout.";
       SendConnectionClose(QUIC_CONNECTION_TIMED_OUT);
       return true;
     }
 
     // Take the min timeout.
     QuicTime::Delta connection_timeout =
         overall_connection_timeout_.Subtract(connected_time);
     if (connection_timeout < timeout) {
       timeout = connection_timeout;
     }
@@ skipping 43 matching lines @@
   // If we changed the generator's batch state, restore original batch state.
   if (!already_in_batch_mode_) {
     DVLOG(1) << "Leaving Batch Mode.";
     connection_->packet_generator_.FinishBatchOperations();
   }
   DCHECK_EQ(already_in_batch_mode_,
             connection_->packet_generator_.InBatchMode());
 }
 
 }  // namespace net