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iFtpCmd Issues
Keywords:
Question:
I keep getting 'WIL Extender Error 318: iFtpDirGet Failed', if I call iFtpDirGet after calling iFtpCmd with the LIST command.Answer:
iFtpCmd using the LIST verb, expects a response. Therefore you MUST call iReadData of iReadDatabuf before doing any other ftp operations!
AddExtender( "WWINT44I.DLL" )
tophandle = iBegin( 0, "", "" )
conhandle = iHostConnect( tophandle,"ftp.windowware.com", @FTPPASSIVE, "", "" )
If conhandle == 0
Message( "ERROR" , "Unable to connect to host" )
Exit
EndIf
newdir = iFtpDirChange( conhandle, "/wwwftp/wb01" )
If newdir == 0
Message( "Change Dir", "NOT Successful" )
iClose( conhandle )
iClose( tophandle )
Exit
EndIf
cmdhandle=iFtpCmd(conhandle,"PASV","",@ASCII)
If cmdhandle==0
err=iGetResponse()
Message("iFtpCmd Error",err)
iClose(cmdhandle)
iClose(conhandle)
iClose(tophandle)
Exit
EndIf
cmdhandle=iFtpCmd(conhandle,"LIST","",@ASCII) ;works
If cmdhandle==0
err=iGetResponse()
Message("iFtpCmd Error",err)
iClose(cmdhandle)
iClose(conhandle)
iClose(tophandle)
Exit
EndIf
;iReadDatabuf is used to read the pending data from the iFtpCmd LIST command
size = 65536
buf = BinaryAlloc( size )
bufaddr = IntControl ( 42, buf, 0, 0, 0 ) ;Get address of buffer
bytes = iReadDataBuf( cmdhandle, bufaddr, size )
BinaryEodSet( buf, size )
list = BinaryPeekStr(buf, 0, bytes)
;replace CRLF with TAB
list = StrReplace( list, @CRLF, @TAB )
AskItemlist('iFtpCmd - LIST', list, @TAB, @UNSORTED, @SINGLE )
;Clean up
iClose(cmdhandle)
iClose(conhandle)
iClose(tophandle)
Sample 2: Read the data in chunks ( used for very large amounts fo data )
AddExtender( "WWINT44I.DLL" )
tophandle = iBegin( 0, "", "" )
conhandle = iHostConnect( tophandle,"ftp.windowware.com", @FTPPASSIVE, "", "" )
If conhandle == 0
Message( "ERROR" , "Unable to connect to host" )
Exit
EndIf
newdir = iFtpDirChange( conhandle, "/wwwftp/wb01" )
If newdir == 0
Message( "Change Dir", "NOT Successful" )
iClose( conhandle )
iClose( tophandle )
Exit
EndIf
cmdhandle=iFtpCmd(conhandle,"PASV","",@ASCII)
If cmdhandle==0
err=iGetResponse()
Message("iFtpCmd Error",err)
iClose(cmdhandle)
iClose(conhandle)
iClose(tophandle)
Exit
EndIf
cmdhandle=iFtpCmd(conhandle,"LIST","",@ASCII) ;works
If cmdhandle==0
err=iGetResponse()
Message("iFtpCmd Error",err)
iClose(cmdhandle)
iClose(conhandle)
iClose(tophandle)
Exit
EndIf
;iReadDatabuf is used to read the pending data from the iFtpCmd LIST command
chunksize = 1024
bytes = 1
list = ""
While bytes!=0
buf = BinaryAlloc( chunksize )
bufaddr = IntControl ( 42, buf, 0, 0, 0 ) ;Get address of buffer
bytes = iReadDataBuf( cmdhandle, bufaddr, chunksize )
BinaryEodSet( buf, chunksize )
chunk = BinaryPeekStr(buf, 0, bytes)
;Pause( 'Chunk', chunk )
list = list:chunk
BinaryFree( buf)
EndWhile
;replace CRLF with TAB
list = StrReplace( list, @CRLF, @TAB )
AskItemlist('iFtpCmd - LIST', list, @TAB, @UNSORTED, @SINGLE )
;Clean up
iClose(cmdhandle)
iClose(conhandle)
iClose(tophandle)
Article ID: W16887
File Created: 2012:10:09:15:09:28
Last Updated: 2012:10:09:15:09:28