include/wx/protocol/ftp.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        ftp.h
   3 // Purpose:     FTP protocol
   4 // Author:      Vadim Zeitlin
   5 // Modified by: Mark Johnson, wxWindows@mj10777.de
   6 //              20000917 : RmDir, GetLastResult, GetList
   7 // Created:     07/07/1997
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1997, 1998 Guilhem Lavaux
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef __WX_FTP_H__
  14 #define __WX_FTP_H__
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_PROTOCOL_FTP
  19
  20 #include "wx/sckaddr.h"
  21 #include "wx/protocol/protocol.h"
  22 #include "wx/url.h"
  23
  24 class WXDLLIMPEXP_NET wxFTP : public wxProtocol
  25 {
  26 public:
  27     enum TransferMode
  28     {
  29         NONE,       // not set by user explicitly
  30         ASCII,
  31         BINARY
  32     };
  33
  34     wxFTP();
  35     virtual ~wxFTP();
  36
  37     // Connecting and disconnecting
  38     void SetUser(const wxString& user) { m_user = user; }
  39     void SetPassword(const wxString& passwd) { m_passwd = passwd; }
  40
  41     bool Connect(const wxSockAddress& addr, bool wait = true);
  42     bool Connect(const wxString& host);
  43
  44     // disconnect
  45     virtual bool Close();
  46
  47     // Parameters set up
  48
  49     // set transfer mode now
  50     void SetPassive(bool pasv) { m_bPassive = pasv; }
  51     void SetDefaultTimeout(wxUint32 Value);
  52     bool SetBinary() { return SetTransferMode(BINARY); }
  53     bool SetAscii() { return SetTransferMode(ASCII); }
  54     bool SetTransferMode(TransferMode mode);
  55
  56     // Generic FTP interface
  57
  58     // the error code
  59     virtual wxProtocolError GetError() { return m_lastError; }
  60
  61     // the last FTP server reply
  62     const wxString& GetLastResult() { return m_lastResult; }
  63
  64     // send any FTP command (should be full FTP command line but without
  65     // trailing "\r\n") and return its return code
  66     char SendCommand(const wxString& command);
  67
  68     // check that the command returned the given code
  69     bool CheckCommand(const wxString& command, char expectedReturn)
  70     {
  71         return SendCommand(command) == expectedReturn;
  72     }
  73
  74     // Filesystem commands
  75     bool ChDir(const wxString& dir);
  76     bool MkDir(const wxString& dir);
  77     bool RmDir(const wxString& dir);
  78     wxString Pwd();
  79     bool Rename(const wxString& src, const wxString& dst);
  80     bool RmFile(const wxString& path);
  81
  82     // Get the size of a file in the current dir.
  83     // this function tries its best to deliver the size in bytes using BINARY
  84     // (the SIZE command reports different sizes depending on whether
  85     // type is set to ASCII or BINARY)
  86     // returns -1 if file is non-existant or size could not be found
  87     int GetFileSize(const wxString& fileName);
  88
  89        // Check to see if a file exists in the current dir
  90     bool FileExists(const wxString& fileName);
  91
  92     // Download methods
  93     bool Abort();
  94
  95     virtual wxInputStream *GetInputStream(const wxString& path);
  96     virtual wxOutputStream *GetOutputStream(const wxString& path);
  97
  98     // Directory listing
  99
 100     // get the list of full filenames, the format is fixed: one file name per
 101     // line
 102     bool GetFilesList(wxArrayString& files,
 103                       const wxString& wildcard = wxEmptyString)
 104     {
 105         return GetList(files, wildcard, false);
 106     }
 107
 108     // get a directory list in server dependent format - this can be shown
 109     // directly to the user
 110     bool GetDirList(wxArrayString& files,
 111                     const wxString& wildcard = wxEmptyString)
 112     {
 113         return GetList(files, wildcard, true);
 114     }
 115
 116     // equivalent to either GetFilesList() (default) or GetDirList()
 117     bool GetList(wxArrayString& files,
 118                  const wxString& wildcard = wxEmptyString,
 119                  bool details = false);
 120
 121 protected:
 122     // this executes a simple ftp command with the given argument and returns
 123     // true if it its return code starts with '2'
 124     bool DoSimpleCommand(const wxChar *command,
 125                          const wxString& arg = wxEmptyString);
 126
 127     // get the server reply, return the first character of the reply code,
 128     // '1'..'5' for normal FTP replies, 0 (*not* '0') if an error occurred
 129     char GetResult();
 130
 131     // check that the result is equal to expected value
 132     bool CheckResult(char ch) { return GetResult() == ch; }
 133
 134     // return the socket to be used, Passive/Active versions are used only by
 135     // GetPort()
 136     wxSocketBase *GetPort();
 137     wxSocketBase *GetPassivePort();
 138     wxSocketBase *GetActivePort();
 139
 140     // helper for GetPort()
 141     wxString GetPortCmdArgument(const wxIPV4address& Local, const wxIPV4address& New);
 142
 143     // accept connection from server in active mode, returns the same socket as
 144     // passed in in passive mode
 145     wxSocketBase *AcceptIfActive(wxSocketBase *sock);
 146
 147
 148     wxString m_user,
 149              m_passwd;
 150
 151     wxString m_lastResult;
 152     wxProtocolError m_lastError;
 153
 154     // true if there is an FTP transfer going on
 155     bool m_streaming;
 156
 157     // although this should be set to ASCII by default according to STD9,
 158     // we will use BINARY transfer mode by default for backwards compatibility
 159     TransferMode m_currentTransfermode;
 160
 161     friend class wxInputFTPStream;
 162     friend class wxOutputFTPStream;
 163
 164     bool            m_bPassive;
 165     wxUint32        m_uiDefaultTimeout;
 166
 167     // following is true when  a read or write times out, we then assume
 168     // the connection is dead and abort. we avoid additional delays this way
 169     bool            m_bEncounteredError;
 170
 171
 172     DECLARE_DYNAMIC_CLASS_NO_COPY(wxFTP)
 173     DECLARE_PROTOCOL(wxFTP)
 174 };
 175
 176 // the trace mask used by assorted wxLogTrace() in ftp code, do
 177 // wxLog::AddTraceMask(FTP_TRACE_MASK) to see them in output
 178 #define FTP_TRACE_MASK _T("ftp")
 179
 180 #endif // wxUSE_PROTOCOL_FTP
 181
 182 #endif // __WX_FTP_H__