Sync various changes to QuicTestClient.

net/tools/quic/test_tools/simple_client.h

Index: net/tools/quic/test_tools/simple_client.h
diff --git a/net/tools/quic/test_tools/simple_client.h b/net/tools/quic/test_tools/simple_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..6243eea3af32def2dfdf893e42ad573d5ca6ca0f
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+++ b/net/tools/quic/test_tools/simple_client.h
@@ -0,0 +1,159 @@
+// Copyright (c) 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.
+
+#ifndef NET_TOOLS_QUIC_TEST_TOOLS_SIMPLE_CLIENT_H_
+#define NET_TOOLS_QUIC_TEST_TOOLS_SIMPLE_CLIENT_H_
+
+#include <string>
+#include <vector>
+
+#include "net/base/ip_endpoint.h"
+#include "net/tools/balsa/balsa_frame.h"
+
+namespace net {
+namespace tools {
+namespace test {
+
+class HTTPMessage;
+
+class SimpleClient {
+ public:
+  virtual ~SimpleClient() {}
+
+  // Clears any outstanding state and sends 'size' bytes from 'buffer' to the
+  // server, possibly with multiple send operations.  Returns 'size' on success
+  // and -1 on error.  Callers should assume that any return value other than
+  // 'size' indicates failure.
+  virtual ssize_t Send(const void *buffer, size_t size) = 0;
+
+  // Serialize and send an HTTP request.
+  virtual ssize_t SendMessage(const HTTPMessage& message) = 0;
+
+  // Clears any outstanding state, sends 'size' bytes from 'buffer' and waits
+  // for a response or an error.
+  virtual ssize_t SendAndWaitForResponse(const void *buffer, size_t size) = 0;
+
+  // Clears any outstanding state and sends a simple GET of 'uri' to the
+  // server.
+  virtual ssize_t SendRequest(const std::string& uri) = 0;
+
+  // The response body is returned as a string.
+  virtual std::string SendCustomSynchronousRequest(
+      const HTTPMessage& message) = 0;
+  virtual std::string SendSynchronousRequest(const std::string& url) = 0;
+
+  // Returns once a complete response or a connection close has been received
+  // from the server.
+  virtual void WaitForResponse();
+
+  // Waits for some data or response from the server.
+  virtual void WaitForInitialResponse();
+
+  // Returns once a complete response or a connection close has been received
+  // from the server, or once the timeout expires. -1 for no timeout.
+  virtual void WaitForResponseForMs(int timeout_ms) = 0;
+
+  // Waits for some data or response from the server, or once the timeout
+  // expires. -1 for no timeout.
+  virtual void WaitForInitialResponseForMs(int timeout_ms) = 0;
+
+  // Clears any outstanding state from the last request.
+  virtual void ClearPerRequestState() = 0;
+
+  // Closes and reopens the connection to the server.
+  virtual void ResetConnection() = 0;
+
+  // Closes the connection to the server.
+  virtual void Disconnect() = 0;
+
+  // Both will return 0 on success, -1 otherwise.
+  // Sends out RST packet to peer.
+  // TODO(yongfa): Probably should be an interface too. LOG(FATAL) here
+  // to prevent accidental invocation.
+  virtual int ResetSocket();
+
+  virtual int HalfClose();
+
+  // Connects to the server.  This should be done implicitly by Send*
+  // functions, but can be done explicitly as well.
+  virtual void Connect() = 0;
+
+  // Bind to the specified address.  If set_bind_to_address() is called, this
+  // is called automatically on connect, but can be done explicitly to make
+  // LocalIPEndPoint() meaningful before actually connecting.
+  // Sets *local_address to the actual address bound to, which can be different
+  // if the given address has port 0.
+  virtual void Bind(IPEndPoint* local_address) = 0;
+
+  // Returns the local socket address of the client fd. Call only when
+  // connected.
+  // To get the local IPAdress, use LocalSocketAddress().host().
+  // To get the local port, use LocalSocketAddress.port().
+  virtual IPEndPoint LocalSocketAddress() const = 0;
+
+  // Returns the serialized message that would be sent by any of the HTTPMessage
+  // functions above.
+  virtual std::string SerializeMessage(const HTTPMessage& message) = 0;
+
+  // Sets the IP address to bind to on future Connect()s in case Bind() is not
+  // called in advance. If it's set to uninitialized IPAddress, default loopback
+  // address will be used.
+  virtual IPAddressNumber bind_to_address() const = 0;
+  virtual void set_bind_to_address(IPAddressNumber address) = 0;
+
+  // Returns true if the headers have been processed and are available.
+  virtual bool response_headers_complete() const = 0;
+
+  // Returns the response headers, if a response was completely framed.
+  // Undefined behavior otherwise.
+  virtual const BalsaHeaders* response_headers() const = 0;
+
+  // Returns true iff response has been fully received.
+  virtual bool response_complete() const = 0;
+
+  // Returns the number of bytes read from the server during this request.
+  virtual int response_size() const = 0;
+
+  // Returns the number of header bytes received during this request, if
+  // meaningful for the protocol.
+  virtual int response_header_size() const;
+
+  // Returns the number of body bytes received during this request, if
+  // meaningful for the protocol.
+  virtual int response_body_size() const;
+
+  // Returns the response body, if there was one. If there was no response, or
+  // if buffer_body() is false, returns an empty string.
+  virtual const std::string& response_body() = 0;
+
+  // The address the client is connected to.
+  virtual const IPEndPoint& address() const = 0;
+
+  // Returns true if the client is connected, false otherwise.
+  virtual bool connected() const = 0;
+
+  // Returns true if the server has informed the client that it is
+  // in "lame duck" mode, indicating intent to shut down and
+  // requesting that no further connections be established.
+  virtual bool ServerInLameDuckMode() const = 0;
+
+  // Return the number of bytes read off the wire by this client.
+  virtual size_t bytes_read() const = 0;
+
+  // Returns the number of bytes written to the wire by this client.
+  virtual size_t bytes_written() const = 0;
+
+  // Return the number of requests sent.
+  virtual size_t requests_sent() const = 0;
+
+  // Instructs the client to populate response_body().
+  virtual bool buffer_body() const = 0;
+  virtual void set_buffer_body(bool buffer_body) = 0;
+};
+
+}  // namespace test
+}  // namespace tools
+}  // namespace net
+
+#endif  // NET_TOOLS_QUIC_TEST_TOOLS_SIMPLE_CLIENT_H_