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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  17     #pragma interface "ftp.h"
  18 #endif
  19
  20 #include "wx/defs.h"
  21
  22 #if wxUSE_PROTOCOL_FTP
  23
  24 #include "wx/sckaddr.h"
  25 #include "wx/protocol/protocol.h"
  26 #include "wx/url.h"
  27
  28 class WXDLLIMPEXP_NET wxFTP : public wxProtocol
  29 {
  30 public:
  31     enum TransferMode
  32     {
  33         NONE,       // not set by user explicitly
  34         ASCII,
  35         BINARY
  36     };
  37
  38     wxFTP();
  39     virtual ~wxFTP();
  40
  41     // Connecting and disconnecting
  42     void SetUser(const wxString& user) { m_user = user; }
  43     void SetPassword(const wxString& passwd) { m_passwd = passwd; }
  44
  45     bool Connect(wxSockAddress& addr, bool wait = true);
  46     bool Connect(const wxString& host);
  47
  48     // disconnect
  49     virtual bool Close();
  50
  51     // Parameters set up
  52
  53     // set transfer mode now
  54     void SetPassive(bool pasv) { m_bPassive = pasv; };
  55     void SetDefaultTimeout(wxUint32 Value);
  56     bool SetBinary() { return SetTransferMode(BINARY); }
  57     bool SetAscii() { return SetTransferMode(ASCII); }
  58     bool SetTransferMode(TransferMode mode);
  59
  60     // Generic FTP interface
  61
  62     // the error code
  63     virtual wxProtocolError GetError() { return m_lastError; }
  64
  65     // the last FTP server reply
  66     const wxString& GetLastResult() { return m_lastResult; }
  67
  68     // send any FTP command (should be full FTP command line but without
  69     // trailing "\r\n") and return its return code
  70     char SendCommand(const wxString& command);
  71
  72     // check that the command returned the given code
  73     bool CheckCommand(const wxString& command, char expectedReturn)
  74     {
  75         return SendCommand(command) == expectedReturn;
  76     }
  77
  78     // Filesystem commands
  79     bool ChDir(const wxString& dir);
  80     bool MkDir(const wxString& dir);
  81     bool RmDir(const wxString& dir);
  82     wxString Pwd();
  83     bool Rename(const wxString& src, const wxString& dst);
  84     bool RmFile(const wxString& path);
  85
  86     // Get the size of a file in the current dir.
  87     // this function tries its best to deliver the size in bytes using BINARY
  88     // (the SIZE command reports different sizes depending on whether
  89     // type is set to ASCII or BINARY)
  90     // returns -1 if file is non-existant or size could not be found
  91     int GetFileSize(const wxString& fileName);
  92
  93        // Check to see if a file exists in the current dir
  94     bool FileExists(const wxString& fileName);
  95
  96     // Download methods
  97     bool Abort();
  98
  99     virtual wxInputStream *GetInputStream(const wxString& path);
 100     virtual wxOutputStream *GetOutputStream(const wxString& path);
 101
 102     // Directory listing
 103
 104     // get the list of full filenames, the format is fixed: one file name per
 105     // line
 106     bool GetFilesList(wxArrayString& files,
 107                       const wxString& wildcard = wxEmptyString)
 108     {
 109         return GetList(files, wildcard, false);
 110     }
 111
 112     // get a directory list in server dependent format - this can be shown
 113     // directly to the user
 114     bool GetDirList(wxArrayString& files,
 115                     const wxString& wildcard = wxEmptyString)
 116     {
 117         return GetList(files, wildcard, true);
 118     }
 119
 120     // equivalent to either GetFilesList() (default) or GetDirList()
 121     bool GetList(wxArrayString& files,
 122                  const wxString& wildcard = wxEmptyString,
 123                  bool details = false);
 124
 125 protected:
 126     // this executes a simple ftp command with the given argument and returns
 127     // true if it its return code starts with '2'
 128     bool DoSimpleCommand(const wxChar *command,
 129                          const wxString& arg = wxEmptyString);
 130
 131     // get the server reply, return the first character of the reply code,
 132     // '1'..'5' for normal FTP replies, 0 (*not* '0') if an error occured
 133     char GetResult();
 134
 135     // check that the result is equal to expected value
 136     bool CheckResult(char ch) { return GetResult() == ch; }
 137
 138     // return the socket to be used, Passive/Active versions are used only by
 139     // GetPort()
 140     wxSocketBase *GetPort();
 141     wxSocketBase *GetPassivePort();
 142     wxSocketBase *GetActivePort();
 143
 144     // helper for GetPort()
 145     wxString GetPortCmdArgument(wxIPV4address Local, wxIPV4address New);
 146
 147     // accept connection from server in active mode, returns the same socket as
 148     // passed in in passive mode
 149     wxSocketBase *AcceptIfActive(wxSocketBase *sock);
 150
 151
 152     wxString m_user,
 153              m_passwd;
 154
 155     wxString m_lastResult;
 156     wxProtocolError m_lastError;
 157
 158     // true if there is an FTP transfer going on
 159     bool m_streaming;
 160
 161     // although this should be set to ASCII by default according to STD9,
 162     // we will use BINARY transfer mode by default for backwards compatibility
 163     TransferMode m_currentTransfermode;
 164
 165     friend class wxInputFTPStream;
 166     friend class wxOutputFTPStream;
 167
 168     bool            m_bPassive;
 169     wxUint32        m_uiDefaultTimeout;
 170
 171     // following is true when  a read or write times out, we then assume
 172     // the connection is dead and abort. we avoid additional delays this way
 173     bool            m_bEncounteredError;
 174
 175
 176     DECLARE_DYNAMIC_CLASS_NO_COPY(wxFTP)
 177     DECLARE_PROTOCOL(wxFTP)
 178 };
 179
 180 // the trace mask used by assorted wxLogTrace() in ftp code, do
 181 // wxLog::AddTraceMask(FTP_TRACE_MASK) to see them in output
 182 #define FTP_TRACE_MASK _T("ftp")
 183
 184 #endif // wxUSE_PROTOCOL_FTP
 185
 186 #endif // __WX_FTP_H__