Add better help information to quic_client and quic_server. Also,

net/tools/quic/quic_client.h

 // 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.
 //
 // A toy client, which connects to a specified port and sends QUIC
 // request to that endpoint.
 
 #ifndef NET_TOOLS_QUIC_QUIC_CLIENT_H_
 #define NET_TOOLS_QUIC_QUIC_CLIENT_H_
 
@@ skipping 16 matching lines @@
 class ProofVerifier;
 
 namespace tools {
 
 class QuicEpollConnectionHelper;
 
 namespace test {
 class QuicClientPeer;
 }  // namespace test
 
-class QuicClient : public EpollCallbackInterface {
+class QuicClient : public EpollCallbackInterface,
+                   public ReliableQuicStream::Visitor {
  public:
-  QuicClient(IPEndPoint server_address, const std::string& server_hostname,
-             const QuicVersion version);
+  QuicClient(IPEndPoint server_address,
+             const string& server_hostname,
+             const QuicVersion version,
+             bool print_response);
   QuicClient(IPEndPoint server_address,
              const std::string& server_hostname,
              const QuicConfig& config,
              const QuicVersion version);
 
   virtual ~QuicClient();
 
   // Initializes the client to create a connection. Should be called exactly
   // once before calling StartConnect or Connect. Returns true if the
   // initialization succeeds, false otherwise.
@@ skipping 38 matching lines @@
   virtual void OnRegistration(
       EpollServer* eps, int fd, int event_mask) OVERRIDE {}
   virtual void OnModification(int fd, int event_mask) OVERRIDE {}
   virtual void OnEvent(int fd, EpollEvent* event) OVERRIDE;
   // |fd_| can be unregistered without the client being disconnected. This
   // happens in b3m QuicProber where we unregister |fd_| to feed in events to
   // the client from the SelectServer.
   virtual void OnUnregistration(int fd, bool replaced) OVERRIDE {}
   virtual void OnShutdown(EpollServer* eps, int fd) OVERRIDE {}
 
+  // ReliableQuicStream::Visitor
+  virtual void OnClose(ReliableQuicStream* stream) OVERRIDE;
+
   QuicPacketCreator::Options* options();
 
   QuicClientSession* session() { return session_.get(); }
 
   bool connected() const;
 
   void set_bind_to_address(IPAddressNumber address) {
     bind_to_address_ = address;
   }
 
@@ skipping 74 matching lines @@
   // are dropped.
   int packets_dropped_;
 
   // True if the kernel supports SO_RXQ_OVFL, the number of packets dropped
   // because the socket would otherwise overflow.
   bool overflow_supported_;
 
   // Which QUIC version does this client talk?
   QuicVersion version_;
 
+  // If true, then the contents of each response will be printed to stdout
+  // when the stream is closed (in OnClose).
+  bool print_response_;
+
   DISALLOW_COPY_AND_ASSIGN(QuicClient);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_CLIENT_H_