Remove //net (except for Android test stuff) and sdch

net/ftp/ftp_network_transaction.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.
-
-#ifndef NET_FTP_FTP_NETWORK_TRANSACTION_H_
-#define NET_FTP_FTP_NETWORK_TRANSACTION_H_
-
-#include <string>
-#include <utility>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "net/base/address_list.h"
-#include "net/base/auth.h"
-#include "net/base/net_log.h"
-#include "net/dns/host_resolver.h"
-#include "net/dns/single_request_host_resolver.h"
-#include "net/ftp/ftp_ctrl_response_buffer.h"
-#include "net/ftp/ftp_response_info.h"
-#include "net/ftp/ftp_transaction.h"
-
-namespace net {
-
-class ClientSocketFactory;
-class FtpNetworkSession;
-class StreamSocket;
-
-class NET_EXPORT_PRIVATE FtpNetworkTransaction : public FtpTransaction {
- public:
-  FtpNetworkTransaction(FtpNetworkSession* session,
-                        ClientSocketFactory* socket_factory);
-  ~FtpNetworkTransaction() override;
-
-  int Stop(int error);
-
-  // FtpTransaction methods:
-  int Start(const FtpRequestInfo* request_info,
-            const CompletionCallback& callback,
-            const BoundNetLog& net_log) override;
-  int RestartWithAuth(const AuthCredentials& credentials,
-                      const CompletionCallback& callback) override;
-  int Read(IOBuffer* buf,
-           int buf_len,
-           const CompletionCallback& callback) override;
-  const FtpResponseInfo* GetResponseInfo() const override;
-  LoadState GetLoadState() const override;
-  uint64 GetUploadProgress() const override;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(FtpNetworkTransactionTest,
-                           DownloadTransactionEvilPasvUnsafeHost);
-
-  enum Command {
-    COMMAND_NONE,
-    COMMAND_USER,
-    COMMAND_PASS,
-    COMMAND_SYST,
-    COMMAND_TYPE,
-    COMMAND_EPSV,
-    COMMAND_PASV,
-    COMMAND_PWD,
-    COMMAND_SIZE,
-    COMMAND_RETR,
-    COMMAND_CWD,
-    COMMAND_LIST,
-    COMMAND_QUIT,
-  };
-
-  // Major categories of remote system types, as returned by SYST command.
-  enum SystemType {
-    SYSTEM_TYPE_UNKNOWN,
-    SYSTEM_TYPE_UNIX,
-    SYSTEM_TYPE_WINDOWS,
-    SYSTEM_TYPE_OS2,
-    SYSTEM_TYPE_VMS,
-  };
-
-  // Data representation type, see RFC 959 section 3.1.1. Data Types.
-  // We only support the two most popular data types.
-  enum DataType {
-    DATA_TYPE_ASCII,
-    DATA_TYPE_IMAGE,
-  };
-
-  // In FTP we need to issue different commands depending on whether a resource
-  // is a file or directory. If we don't know that, we're going to autodetect
-  // it.
-  enum ResourceType {
-    RESOURCE_TYPE_UNKNOWN,
-    RESOURCE_TYPE_FILE,
-    RESOURCE_TYPE_DIRECTORY,
-  };
-
-  enum State {
-    // Control connection states:
-    STATE_CTRL_RESOLVE_HOST,
-    STATE_CTRL_RESOLVE_HOST_COMPLETE,
-    STATE_CTRL_CONNECT,
-    STATE_CTRL_CONNECT_COMPLETE,
-    STATE_CTRL_READ,
-    STATE_CTRL_READ_COMPLETE,
-    STATE_CTRL_WRITE,
-    STATE_CTRL_WRITE_COMPLETE,
-    STATE_CTRL_WRITE_USER,
-    STATE_CTRL_WRITE_PASS,
-    STATE_CTRL_WRITE_SYST,
-    STATE_CTRL_WRITE_TYPE,
-    STATE_CTRL_WRITE_EPSV,
-    STATE_CTRL_WRITE_PASV,
-    STATE_CTRL_WRITE_PWD,
-    STATE_CTRL_WRITE_RETR,
-    STATE_CTRL_WRITE_SIZE,
-    STATE_CTRL_WRITE_CWD,
-    STATE_CTRL_WRITE_LIST,
-    STATE_CTRL_WRITE_QUIT,
-    // Data connection states:
-    STATE_DATA_CONNECT,
-    STATE_DATA_CONNECT_COMPLETE,
-    STATE_DATA_READ,
-    STATE_DATA_READ_COMPLETE,
-    STATE_NONE
-  };
-
-  // Resets the members of the transaction so it can be restarted.
-  void ResetStateForRestart();
-
-  // Establishes the data connection and switches to |state_after_connect|.
-  // |state_after_connect| should only be RETR or LIST.
-  void EstablishDataConnection(State state_after_connect);
-
-  void DoCallback(int result);
-  void OnIOComplete(int result);
-
-  // Executes correct ProcessResponse + command_name function based on last
-  // issued command. Returns error code.
-  int ProcessCtrlResponse();
-
-  int SendFtpCommand(const std::string& command,
-                     const std::string& command_for_log,
-                     Command cmd);
-
-  // Returns request path suitable to be included in an FTP command. If the path
-  // will be used as a directory, |is_directory| should be true.
-  std::string GetRequestPathForFtpCommand(bool is_directory) const;
-
-  // See if the request URL contains a typecode and make us respect it.
-  void DetectTypecode();
-
-  // Runs the state transition loop.
-  int DoLoop(int result);
-
-  // Each of these methods corresponds to a State value.  Those with an input
-  // argument receive the result from the previous state.  If a method returns
-  // ERR_IO_PENDING, then the result from OnIOComplete will be passed to the
-  // next state method as the result arg.
-  int DoCtrlResolveHost();
-  int DoCtrlResolveHostComplete(int result);
-  int DoCtrlConnect();
-  int DoCtrlConnectComplete(int result);
-  int DoCtrlRead();
-  int DoCtrlReadComplete(int result);
-  int DoCtrlWrite();
-  int DoCtrlWriteComplete(int result);
-  int DoCtrlWriteUSER();
-  int ProcessResponseUSER(const FtpCtrlResponse& response);
-  int DoCtrlWritePASS();
-  int ProcessResponsePASS(const FtpCtrlResponse& response);
-  int DoCtrlWriteSYST();
-  int ProcessResponseSYST(const FtpCtrlResponse& response);
-  int DoCtrlWritePWD();
-  int ProcessResponsePWD(const FtpCtrlResponse& response);
-  int DoCtrlWriteTYPE();
-  int ProcessResponseTYPE(const FtpCtrlResponse& response);
-  int DoCtrlWriteEPSV();
-  int ProcessResponseEPSV(const FtpCtrlResponse& response);
-  int DoCtrlWritePASV();
-  int ProcessResponsePASV(const FtpCtrlResponse& response);
-  int DoCtrlWriteRETR();
-  int ProcessResponseRETR(const FtpCtrlResponse& response);
-  int DoCtrlWriteSIZE();
-  int ProcessResponseSIZE(const FtpCtrlResponse& response);
-  int DoCtrlWriteCWD();
-  int ProcessResponseCWD(const FtpCtrlResponse& response);
-  int ProcessResponseCWDNotADirectory();
-  int DoCtrlWriteLIST();
-  int ProcessResponseLIST(const FtpCtrlResponse& response);
-  int DoCtrlWriteQUIT();
-  int ProcessResponseQUIT(const FtpCtrlResponse& response);
-
-  int DoDataConnect();
-  int DoDataConnectComplete(int result);
-  int DoDataRead();
-  int DoDataReadComplete(int result);
-
-  void RecordDataConnectionError(int result);
-
-  Command command_sent_;
-
-  CompletionCallback io_callback_;
-  CompletionCallback user_callback_;
-
-  scoped_refptr<FtpNetworkSession> session_;
-
-  BoundNetLog net_log_;
-  const FtpRequestInfo* request_;
-  FtpResponseInfo response_;
-
-  // Cancels the outstanding request on destruction.
-  SingleRequestHostResolver resolver_;
-  AddressList addresses_;
-
-  // User buffer passed to the Read method for control socket.
-  scoped_refptr<IOBuffer> read_ctrl_buf_;
-
-  scoped_ptr<FtpCtrlResponseBuffer> ctrl_response_buffer_;
-
-  scoped_refptr<IOBuffer> read_data_buf_;
-  int read_data_buf_len_;
-
-  // Buffer holding the command line to be written to the control socket.
-  scoped_refptr<IOBufferWithSize> write_command_buf_;
-
-  // Buffer passed to the Write method of control socket. It actually writes
-  // to the write_command_buf_ at correct offset.
-  scoped_refptr<DrainableIOBuffer> write_buf_;
-
-  int last_error_;
-
-  SystemType system_type_;
-
-  // Data type to be used for the TYPE command.
-  DataType data_type_;
-
-  // Detected resource type (file or directory).
-  ResourceType resource_type_;
-
-  // Initially we favour EPSV over PASV for transfers but should any
-  // EPSV fail, we fall back to PASV for the duration of connection.
-  bool use_epsv_;
-
-  AuthCredentials credentials_;
-
-  // Current directory on the remote server, as returned by last PWD command,
-  // with any trailing slash removed.
-  std::string current_remote_directory_;
-
-  uint16 data_connection_port_;
-
-  ClientSocketFactory* socket_factory_;
-
-  scoped_ptr<StreamSocket> ctrl_socket_;
-  scoped_ptr<StreamSocket> data_socket_;
-
-  State next_state_;
-
-  // State to switch to after data connection is complete.
-  State state_after_data_connect_complete_;
-};
-
-}  // namespace net
-
-#endif  // NET_FTP_FTP_NETWORK_TRANSACTION_H_