Various formatting changes to shared QUIC server code found while syning with internal version.

net/quic/quic_time_wait_list_manager.h

Index: net/quic/quic_time_wait_list_manager.h
diff --git a/net/quic/quic_time_wait_list_manager.h b/net/quic/quic_time_wait_list_manager.h
deleted file mode 100644
index 3a4bafca365068794f68b1de93fb3bd3fbf473f2..0000000000000000000000000000000000000000
--- a/net/quic/quic_time_wait_list_manager.h
+++ /dev/null
@@ -1,191 +0,0 @@
-// Copyright 2014 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.
-//
-// Handles packets for connection_ids in time wait state by discarding the
-// packet and sending the clients a public reset packet with exponential
-// backoff.
-
-#ifndef NET_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_
-#define NET_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_
-
-#include <deque>
-
-#include "base/basictypes.h"
-#include "base/containers/hash_tables.h"
-#include "base/strings/string_piece.h"
-#include "net/base/linked_hash_map.h"
-#include "net/quic/quic_blocked_writer_interface.h"
-#include "net/quic/quic_connection_helper.h"
-#include "net/quic/quic_framer.h"
-#include "net/quic/quic_packet_writer.h"
-#include "net/quic/quic_protocol.h"
-
-namespace net {
-
-class ConnectionIdCleanUpAlarm;
-class QuicServerSessionVisitor;
-
-namespace test {
-class QuicTimeWaitListManagerPeer;
-}  // namespace test
-
-// Maintains a list of all connection_ids that have been recently closed. A
-// connection_id lives in this state for time_wait_period_. All packets received
-// for connection_ids in this state are handed over to the
-// QuicTimeWaitListManager by the QuicDispatcher.  Decides whether to send a
-// public reset packet, a copy of the previously sent connection close packet,
-// or nothing to the client which sent a packet with the connection_id in time
-// wait state.  After the connection_id expires its time wait period, a new
-// connection/session will be created if a packet is received for this
-// connection_id.
-class QuicTimeWaitListManager : public QuicBlockedWriterInterface {
- public:
-  // writer - the entity that writes to the socket. (Owned by the dispatcher)
-  // visitor - the entity that manages blocked writers. (The dispatcher)
-  // helper - used to run clean up alarms. (Owned by the owner of the server)
-  QuicTimeWaitListManager(QuicPacketWriter* writer,
-                          QuicServerSessionVisitor* visitor,
-                          QuicConnectionHelperInterface* helper,
-                          const QuicVersionVector& supported_versions);
-  ~QuicTimeWaitListManager() override;
-
-  // Adds the given connection_id to time wait state for time_wait_period_.
-  // Henceforth, any packet bearing this connection_id should not be processed
-  // while the connection_id remains in this list. If a non-nullptr
-  // |close_packet| is provided, the TimeWaitListManager takes ownership of it
-  // and sends it again when packets are received for added connection_ids. If
-  // nullptr, a public reset packet is sent with the specified |version|.
-  // DCHECKs that connection_id is not already on the list. "virtual" to
-  // override in tests.
-  virtual void AddConnectionIdToTimeWait(QuicConnectionId connection_id,
-                                         QuicVersion version,
-                                         QuicEncryptedPacket* close_packet);
-
-  // Returns true if the connection_id is in time wait state, false otherwise.
-  // Packets received for this connection_id should not lead to creation of new
-  // QuicSessions.
-  bool IsConnectionIdInTimeWait(QuicConnectionId connection_id) const;
-
-  // Called when a packet is received for a connection_id that is in time wait
-  // state. Sends a public reset packet to the client which sent this
-  // connection_id. Sending of the public reset packet is throttled by using
-  // exponential back off. DCHECKs for the connection_id to be in time wait
-  // state. virtual to override in tests.
-  virtual void ProcessPacket(const IPEndPoint& server_address,
-                             const IPEndPoint& client_address,
-                             QuicConnectionId connection_id,
-                             QuicPacketSequenceNumber sequence_number,
-                             const QuicEncryptedPacket& packet);
-
-  // Called by the dispatcher when the underlying socket becomes writable again,
-  // since we might need to send pending public reset packets which we didn't
-  // send because the underlying socket was write blocked.
-  void OnCanWrite() override;
-
-  // Used to delete connection_id entries that have outlived their time wait
-  // period.
-  void CleanUpOldConnectionIds();
-
-  // If necessary, trims the oldest connections from the time-wait list until
-  // the size is under the configured maximum.
-  void TrimTimeWaitListIfNeeded();
-
-  // Given a ConnectionId that exists in the time wait list, returns the
-  // QuicVersion associated with it.
-  QuicVersion GetQuicVersionFromConnectionId(QuicConnectionId connection_id);
-
-  // The number of connections on the time-wait list.
-  size_t num_connections() const { return connection_id_map_.size(); }
-
- protected:
-  virtual QuicEncryptedPacket* BuildPublicReset(
-      const QuicPublicResetPacket& packet);
-
- private:
-  friend class test::QuicTimeWaitListManagerPeer;
-
-  // Internal structure to store pending public reset packets.
-  class QueuedPacket;
-
-  // Decides if a packet should be sent for this connection_id based on the
-  // number of received packets.
-  bool ShouldSendResponse(int received_packet_count);
-
-  // Creates a public reset packet and sends it or queues it to be sent later.
-  void SendPublicReset(const IPEndPoint& server_address,
-                       const IPEndPoint& client_address,
-                       QuicConnectionId connection_id,
-                       QuicPacketSequenceNumber rejected_sequence_number);
-
-  // Either sends the packet and deletes it or makes pending_packets_queue_ the
-  // owner of the packet.
-  void SendOrQueuePacket(QueuedPacket* packet);
-
-  // Sends the packet out. Returns true if the packet was successfully consumed.
-  // If the writer got blocked and did not buffer the packet, we'll need to keep
-  // the packet and retry sending. In case of all other errors we drop the
-  // packet.
-  bool WriteToWire(QueuedPacket* packet);
-
-  // Register the alarm to wake up at appropriate time.
-  void SetConnectionIdCleanUpAlarm();
-
-  // Removes the oldest connection from the time-wait list if it was added prior
-  // to "expiration_time".  To unconditionally remove the oldest connection, use
-  // a QuicTime::Delta:Infinity().  This function modifies the
-  // connection_id_map_.  If you plan to call this function in a loop, any
-  // iterators that you hold before the call to this function may be invalid
-  // afterward.  Returns true if the oldest connection was expired.  Returns
-  // false if the map is empty or the oldest connection has not expired.
-  bool MaybeExpireOldestConnection(QuicTime expiration_time);
-
-  // A map from a recently closed connection_id to the number of packets
-  // received after the termination of the connection bound to the
-  // connection_id.
-  struct ConnectionIdData {
-    ConnectionIdData(int num_packets_,
-                     QuicVersion version_,
-                     QuicTime time_added_,
-                     QuicEncryptedPacket* close_packet)
-        : num_packets(num_packets_),
-          version(version_),
-          time_added(time_added_),
-          close_packet(close_packet) {}
-    int num_packets;
-    QuicVersion version;
-    QuicTime time_added;
-    QuicEncryptedPacket* close_packet;
-  };
-
-  // linked_hash_map allows lookup by ConnectionId and traversal in add order.
-  typedef linked_hash_map<QuicConnectionId, ConnectionIdData> ConnectionIdMap;
-  ConnectionIdMap connection_id_map_;
-
-  // Pending public reset packets that need to be sent out to the client
-  // when we are given a chance to write by the dispatcher.
-  std::deque<QueuedPacket*> pending_packets_queue_;
-
-  // Used to schedule alarms to delete old connection_ids which have been in the
-  // list for too long.
-  QuicConnectionHelperInterface* helper_;
-
-  // Time period for which connection_ids should remain in time wait state.
-  const QuicTime::Delta time_wait_period_;
-
-  // Alarm registered with the connection helper to clean up connection_ids that
-  // have out lived their duration in time wait state.
-  scoped_ptr<QuicAlarm> connection_id_clean_up_alarm_;
-
-  // Interface that writes given buffer to the socket.
-  QuicPacketWriter* writer_;
-
-  // Interface that manages blocked writers.
-  QuicServerSessionVisitor* visitor_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuicTimeWaitListManager);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_