FTP: add more detailed error codes based on RFC 959.

net/ftp/ftp_network_transaction.h

 // Copyright (c) 2010 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 <queue>
 #include <utility>
@@ skipping 45 matching lines @@
     COMMAND_PASV,
     COMMAND_PWD,
     COMMAND_SIZE,
     COMMAND_RETR,
     COMMAND_CWD,
     COMMAND_MLSD,
     COMMAND_LIST,
     COMMAND_QUIT,
   };
 
-  enum ErrorClass {
-    // The requested action was initiated. The client should expect another
-    // reply before issuing the next command.
-    ERROR_CLASS_INITIATED,
-
-    // The requested action has been successfully completed.
-    ERROR_CLASS_OK,
-
-    // The command has been accepted, but to complete the operation, more
-    // information must be sent by the client.
-    ERROR_CLASS_INFO_NEEDED,
-
-    // The command was not accepted and the requested action did not take place.
-    // This condition is temporary, and the client is encouraged to restart the
-    // command sequence.
-    ERROR_CLASS_TRANSIENT_ERROR,
-
-    // The command was not accepted and the requested action did not take place.
-    // This condition is rather permanent, and the client is discouraged from
-    // repeating the exact request.
-    ERROR_CLASS_PERMANENT_ERROR,
-  };
-
   // 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.
@@ skipping 17 matching lines @@
 
   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, Command cmd);
 
-  // Return the error class for given response code. You should validate the
-  // code to be in range 100-599.
-  static ErrorClass GetErrorClass(int response_code);
-
   // 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);
 
@@ skipping 132 matching lines @@
     STATE_DATA_READ,
     STATE_DATA_READ_COMPLETE,
     STATE_NONE
   };
   State next_state_;
 };
 
 }  // namespace net
 
 #endif  // NET_FTP_FTP_NETWORK_TRANSACTION_H_