cleanup, advanced ftp server compatibility
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{{
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PropTCP Sockets - FullDuplexSerial API Layer
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--------------------------------------------
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Copyright (c) 2006-2009 Harrison Pham <harrison@harrisonpham.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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The latest version of this software can be obtained from
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http://hdpham.com/PropTCP and http://obex.parallax.com/
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}}
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'' NOTICE: All buffer sizes must be a power of 2!
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OBJ
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tcp : "driver_socket"
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VAR
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long handle
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word listenport
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byte listening
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long ptrrxbuff, ptrtxbuff
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word rxlen, txlen
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PUB start(cs, sck, si, so, xtalout, macptr, ipconfigptr)
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tcp.start(cs, sck, si, so, xtalout, macptr, ipconfigptr)
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PUB stop
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tcp.stop
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PUB connect(ipaddr, remoteport, _ptrrxbuff, _rxlen, _ptrtxbuff, _txlen)
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{if tcp.isValidHandle(handle)
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close}
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listening := false
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handle := -1
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handle := tcp.connect(ipaddr, remoteport, _ptrrxbuff, _rxlen, _ptrtxbuff, _txlen)
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return handle
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PUB listen(port, _ptrrxbuff, _rxlen, _ptrtxbuff, _txlen)
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{if tcp.isValidHandle(handle)
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close}
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listenport := port
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ptrrxbuff := _ptrrxbuff
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rxlen := _rxlen
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ptrtxbuff := _ptrtxbuff
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txlen := _txlen
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listening := true
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handle := -1
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handle := tcp.listen(listenport, ptrrxbuff, rxlen, ptrtxbuff, txlen)
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return handle
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PUB relisten
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if listening
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ifnot tcp.isValidHandle(handle)
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listen(listenport, ptrrxbuff, rxlen, ptrtxbuff, txlen)
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PUB isConnected
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return tcp.isConnected(handle)
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PUB rxcount
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return tcp.getReceiveBufferCount(handle)
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PUB resetBuffers
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tcp.resetBuffers(handle)
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PUB waitConnectTimeout(ms) : connected | t
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t := cnt
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repeat until (connected := isConnected) or (((cnt - t) / (clkfreq / 1000)) > ms)
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PUB close
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tcp.close(handle)
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handle := -1
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PUB rxflush
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repeat while rxcheck => 0
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PUB rxcheck : rxbyte
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{if listening
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relisten
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rxbyte := tcp.readByteNonBlocking(handle)
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else}
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rxbyte := tcp.readByteNonBlocking(handle)
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if (not tcp.isConnected(handle)) and (rxbyte == -1)
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abort tcp#ERRSOCKETCLOSED
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PUB rxtime(ms) : rxbyte | t
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t := cnt
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repeat until (rxbyte := rxcheck) => 0 or (cnt - t) / (clkfreq / 1000) > ms
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PUB rx : rxbyte
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repeat while (rxbyte := rxcheck) < 0
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PUB rxdatatime(ptr, maxlen, ms) : len | t
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t := cnt
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repeat until (len := tcp.readDataNonBlocking(handle, ptr, maxlen)) => 0 or (cnt - t) / (clkfreq / 1000) > ms
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PUB rxdata(ptr, maxlen)
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return tcp.readData(handle, ptr, maxlen)
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PUB txflush
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tcp.flush(handle)
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PUB txcheck(txbyte)
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{if listening
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relisten}
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ifnot tcp.isConnected(handle)
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abort tcp#ERRSOCKETCLOSED
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return tcp.writeByteNonBlocking(handle, txbyte)
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PUB tx(txbyte)
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repeat while txcheck(txbyte) < 0
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PUB txdata(ptr, len)
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{if listening
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relisten}
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tcp.writeData(handle, ptr, len)
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PUB str(stringptr)
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txdata(stringptr, strsize(stringptr))
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PUB dec(value) | i
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'' Print a decimal number
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if value < 0
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-value
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tx("-")
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i := 1_000_000_000
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repeat 10
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if value => i
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tx(value / i + "0")
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value //= i
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result~~
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elseif result or i == 1
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tx("0")
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i /= 10
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PUB hex(value, digits)
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'' Print a hexadecimal number
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value <<= (8 - digits) << 2
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repeat digits
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tx(lookupz((value <-= 4) & $F : "0".."9", "A".."F"))
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PUB bin(value, digits)
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'' Print a binary number
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value <<= 32 - digits
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repeat digits
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tx((value <-= 1) & 1 + "0")
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@ -225,6 +225,15 @@ PRI ftppasv : port | i, k, port256, port1
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PRI ftpretr | len
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if sendStr(string("TYPE I",13,10))
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ios.print(string("Fehler beim Senden des Types"))
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ios.printnl
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return(-1)
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ifnot getResponse(string("200 "))
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ios.print(string("Keine oder falsche Antwort vom FTP-Server erhalten."))
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ios.printnl
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return(-1)
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if sendStr(string("SIZE ")) || sendStr(@filename) || sendStr(string(13,10))
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ios.print(string("Fehler beim Senden des SIZE-Kommandos"))
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ios.printnl
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@ -236,15 +245,6 @@ PRI ftpretr | len
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ifnot(len := num.FromStr(@strTemp+4, num#DEC))
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return(-1)
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if sendStr(string("TYPE I",13,10))
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ios.print(string("Fehler beim Senden des Types"))
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ios.printnl
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return(-1)
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ifnot getResponse(string("200 "))
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ios.print(string("Keine oder falsche Antwort vom FTP-Server erhalten."))
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ios.printnl
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return(-1)
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if sendStr(string("RETR ")) || sendStr(@filename) || sendStr(string(13,10))
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ios.print(string("Fehler beim Senden des Filenamens"))
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return -1
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