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AndyS01

Set a timeout for _FTP_Connect()

4 posts in this topic

We have several servers and I'm writing a server status monitor. I am trying to quickly determine if I can FTP to each of our local servers. When I successfully do an _FTP_Open(), then call _FTP_Connect(), the _FTP_Connect takes around 45 seconds to time out.

I want to make the 'FTP-ability' test to take no more than 1 or 2 seconds.

Is there a way to change the _FTP_Connect() timeout? Perhaps there is another call I could use?

Here is my sample code (with my server credentials removed).

#include <FTPEx.au3>
#include <array.au3>
_Main()
Exit (0)
Func _Main()
Local $server, $uname, $pwd, $hSession, $iID, $bRet
$server = "xxxxx"
$uname = "xxxxx"
$pwd = "xxxx"
$hSession = _FTP_Open('MyFTP')
If $hSession <> 0 Then
$iID = _FTP_Connect($hSession, $server, $uname, $pwd, 1, 21)
ConsoleWrite("Can connect OK" & @CRLF)
If ($iID <> 0) Then
Else
ConsoleWrite("Connect FAILED" & @CRLF)
EndIf
_FTP_Close($hSession)
Else
ConsoleWrite("+++: Openfailed" & @CRLF)
EndIf
EndFunc ;==>_Main

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Take a look to this post:

Hi!


My UDF: NetInfo UDF Play with your network, check your download/upload speed and much more! YTAPI Easy to use YouTube API, now you can easy retrive all needed info from a video. NavInfo Check if a specific browser is installed and retrive other usefull information. YWeather Easy to use Yahoo Weather API, now you can easily retrive details about the weather in a specific region. No-IP UDF Easily update your no-ip hostname(s).

My Script: Wallpaper Changer Change you wallpaper dinamically, you can also download your wallpaper from your website and share it with all!   My Snippet: _ImageSaveToBMPConvert an image to bmp format. _SciteGOTO Open a file in SciTE at specific fileline. _FileToHex Show the hex code of a specified file

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#3 ·  Posted (edited)

Thanks, that fixed my problem.

Here's my working test code:

#include

Const $INTERNET_OPTION_CONNECT_TIMEOUT = 2

_Main()
Exit (0)
Func _Main()
Local $server, $uname, $pwd, $hSession, $iID, $bRet
$server = "xxxxx"
$uname = "xxxxx"
$pwd = "xxxx"

$hSession = _FTP_Open('MyFTP')
If $hSession <> 0 Then

_InternetSetOptions($hSession, $INTERNET_OPTION_CONNECT_TIMEOUT, 1 * 1000)

$iID = _FTP_Connect($hSession, $server, $uname, $pwd, 1, 21)
ConsoleWrite("Can connect OK" & @CRLF)
If ($iID <> 0) Then
Else
ConsoleWrite("Connect FAILED" & @CRLF)
EndIf
_FTP_Close($hSession)
Else
ConsoleWrite("+++: Openfailed" & @CRLF)
EndIf
EndFunc ;==>_Main

Func _InternetSetOptions($hInternet, $iOption, $iValue)

Local $tBuffer = DllStructCreate('int Value')
Local $WININET_HANDLE = DllOpen('wininet.dll')

DllStructSetData($tBuffer, 'Value', $iValue)

DllCall($WININET_HANDLE, _
'int', 'InternetSetOptionW', _
'hwnd', $hInternet, _ ; Handle on which to set information.
'int', $iOption, _ ; Internet option to be set.
'ptr', DllStructGetPtr($tBuffer), _ ; Pointer to a buffer that contains the option setting.
'int', DllStructGetSize($tBuffer)) ; Size of the lpBuffer buffer.

$tBuffer = 0
If (@error) Or (_WinAPI_GetLastError() > 0) Then
Return SetError(1, 0, 0)
EndIf

Return SetError(0, 0, 1)
EndFunc ;==>_InternetSetOptions
Edited by AndyS01

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Glad to help you ;)


My UDF: NetInfo UDF Play with your network, check your download/upload speed and much more! YTAPI Easy to use YouTube API, now you can easy retrive all needed info from a video. NavInfo Check if a specific browser is installed and retrive other usefull information. YWeather Easy to use Yahoo Weather API, now you can easily retrive details about the weather in a specific region. No-IP UDF Easily update your no-ip hostname(s).

My Script: Wallpaper Changer Change you wallpaper dinamically, you can also download your wallpaper from your website and share it with all!   My Snippet: _ImageSaveToBMPConvert an image to bmp format. _SciteGOTO Open a file in SciTE at specific fileline. _FileToHex Show the hex code of a specified file

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$tFd_set)  Local $aRet = DllCall($hDLL_WS2_32, "int", "__WSAFDIsSet", "UINT", $iSock, "struct*", $tFd_set)  Return $aRet[0] EndFunc   ;==>_FD_ISSET Func _send($iSocket, ByRef $tBuffer, $iFlags = 0)  Local $iLen = DllStructGetSize($tBuffer)  Local $aRet = DllCall($hDLL_WS2_32, "int", "send", "int", $iSocket, "struct*", $tBuffer, "int", $iLen, "int", $iFlags)  Return $aRet[0] EndFunc   ;==>_send Func _sendto($iSocket, ByRef $tBuffer, ByRef $tTo, $iFlags = 0)  Local $iLen = DllStructGetSize($tBuffer)  Local $iLenTo = DllStructGetSize($tTo)  Local $aRet = DllCall($hDLL_WS2_32, "int", "sendto", "int", $iSocket, "struct*", $tBuffer, "int", $iLen, "int", $iFlags, "struct*", $tTo, "int", $iLenTo)  Return $aRet[0] EndFunc   ;==>_sendto Func _recv($iSocket, ByRef $tBuffer, $iFlags = 0)  Local $iLen = DllStructGetSize($tBuffer)  Local $aRet = DllCall($hDLL_WS2_32, "int", "recv", "uint", $iSocket, "struct*", $tBuffer, "int", $iLen, "int", $iFlags)  Return $aRet[0] EndFunc   ;==>_recv Func _recvfrom($iSocket, ByRef $tBuffer, ByRef $tFrom, $iFlags = 0)  Local $iLen = DllStructGetSize($tBuffer)  Local $iLenFrom = DllStructGetSize($tFrom)  Local $aRet = DllCall($hDLL_WS2_32, "int", "recvfrom", "uint", $iSocket, "struct*", $tBuffer, "int", $iLen, "int", $iFlags, "struct*", $tFrom, "int", $iLenFrom)  Return $aRet[0] EndFunc   ;==>_recvfrom Func _inet_addr($sIP)  Local $aRet = DllCall($hDLL_WS2_32, "ULONG", "inet_addr", "str", $sIP)  Return $aRet[0] EndFunc   ;==>_inet_addr Func _inet_ntoa($pIn_Addr) ;only IPv4 (deprecated) --> use _inet_ntop() instead  Local $aRet = DllCall($hDLL_WS2_32, "str", "inet_ntoa", "ptr", $pIn_Addr)  Return $aRet[0] EndFunc   ;==>_inet_ntoa Func _inet_ntop($pIn_Addr, $iFamily = $AF_INET) ;IPv4 and IPv6 --> Vista and above  Local $tBuffer = DllStructCreate("char[46]") ;16 for IPv4, 46 for IPv6  Local $aRet = DllCall($hDLL_WS2_32, "str", "inet_ntop", "int", $iFamily, "ptr", $pIn_Addr, "struct*", $tBuffer, "int", DllStructGetSize($tBuffer))  Return DllStructGetData($tBuffer, 1) EndFunc   ;==>_inet_ntop ;host byte order to network byte order (double) Func _htond($value)  Local $aRet = DllCall($hDLL_WS2_32, "UINT64", "htond", "double", $value)  Return $aRet[0] EndFunc   ;==>_htond ;host byte order to network byte order (float) Func _htonf($value)  Local $aRet = DllCall($hDLL_WS2_32, "UINT", "htonf", "float", $value)  Return $aRet[0] EndFunc   ;==>_htonf ;host byte order to network byte order (long) Func _htonl($value)  Local $aRet = DllCall($hDLL_WS2_32, "ULONG", "htonl", "ULONG", $value)  Return $aRet[0] EndFunc   ;==>_htonl ;host byte order to network byte order (long long) Func _htonll($value)  Local $aRet = DllCall($hDLL_WS2_32, "UINT64", "htonll", "UINT64", $value)  Return $aRet[0] EndFunc   ;==>_htonll ;host byte order to network byte order (short) Func _htons($iPort)  Local $aRet = DllCall($hDLL_WS2_32, "USHORT", "htons", "USHORT", $iPort)  Return $aRet[0] EndFunc   ;==>_htons ;network byte order to host byte order (double) Func _ntohd($value)  Local $aRet = DllCall($hDLL_WS2_32, "double", "ntohd", "UINT64", $value)  Return $aRet[0] EndFunc   ;==>_ntohd ;network byte order to host byte order (float) Func _ntohf($value)  Local $aRet = DllCall($hDLL_WS2_32, "float", "ntohf", "UINT", $value)  Return $aRet[0] EndFunc   ;==>_ntohf ;network byte order to host byte order (long) Func _ntohl($iNetLong)  Local $aRet = DllCall($hDLL_WS2_32, "ULONG", "ntohl", "ULONG", $iNetLong)  Return $aRet[0] EndFunc   ;==>_ntohl ;network byte order to host byte order (long long) Func _ntohll($value)  Local $aRet = DllCall($hDLL_WS2_32, "UINT64", "ntohll", "UINT64", $value)  Return $aRet[0] EndFunc   ;==>_ntohll ;network byte order to host byte order (short) Func _ntohs($iNetShort)  Local $aRet = DllCall($hDLL_WS2_32, "USHORT", "ntohs", "USHORT", $iNetShort)  Return $aRet[0] EndFunc   ;==>_ntohs Func _WSAGetLastError()  Local $aRet = DllCall($hDLL_WS2_32, "int", "WSAGetLastError")  Return $aRet[0] EndFunc   ;==>_WSAGetLastError Func _GetLocalPort($iSocket)  ;funkey  Local $tagIN_ADDR = "ulong S_addr;"  Local $tagSockAddr_In = "short sin_family;ushort sin_port;ptr sin_addr;char sin_zero[8];"  Local $tIn_Addr = DllStructCreate($tagIN_ADDR)  Local $tName = DllStructCreate($tagSockAddr_In)  DllStructSetData($tName, "sin_addr", DllStructGetPtr($tIn_Addr))  Local $aRes = DllCall($hDLL_WS2_32, "int", "getsockname", "uint", $iSocket, "struct*", $tName, "int*", 512)  Local $aRes2 = DllCall($hDLL_WS2_32, "ushort", "ntohs", "ushort", DllStructGetData($tName, 2))  Return $aRes2[0] EndFunc   ;==>_GetLocalPort Func _getsockname($iSocket)  Local $tIn_Addr = DllStructCreate($tagIN_ADDR)  Local $tName = DllStructCreate($tagSockAddr_In)  DllStructSetData($tName, "sin_addr", DllStructGetPtr($tIn_Addr))  Local $aRes[2]  Local $aRet = DllCall($hDLL_WS2_32, "int", "getsockname", "uint", $iSocket, "struct*", $tName, "int*", 512)  If Not @error And $aRet[0] = 0 Then   $aRes[0] = _inet_ntoa(DllStructGetData($tName, "sin_addr")) ;IP address   $aRes[1] = _ntohs(DllStructGetData($tName, "sin_port")) ;IP port ;~   $aRes[2] = DllStructGetData($tName, "sin_family") ; always AF_INET !?   Return $aRes  EndIf  Return SetError(1, 0, 0) EndFunc   ;==>_getsockname ;More than TCPNameToIP(), returns an array of IP addresses Func _getaddrinfo($sNodeName)  Local $pResult, $tAddrInfo, $sIP  Local $aRet = DllCall($hDLL_WS2_32, "int", "getaddrinfo", "str", $sNodeName, "ptr", 0, "ptr", 0, "ptr*", 0)  $pResult = $aRet[4]  Do   $tAddrInfo = DllStructCreate($tagAddrInfo, $pResult)   Local $tName = DllStructCreate($tagSockAddr_In, DllStructGetData($tAddrInfo, "ai_addr"))   $sIP &= _inet_ntoa(DllStructGetData($tName, "sin_addr")) & ";"   $pResult = DllStructGetData($tAddrInfo, "ai_next")  Until $pResult = 0  _freeaddrinfo($aRet[4])  Return StringSplit(StringTrimRight($sIP, 1), ";", 2) EndFunc   ;==>_getaddrinfo Func _freeaddrinfo($pAddrInfo)  DllCall($hDLL_WS2_32, "none", "freeaddrinfo", "ptr", $pAddrInfo) EndFunc   ;==>_freeaddrinfo Func _ioctlsocket($iSocket, $iCmd, $iArg)  Local $aRet = DllCall($hDLL_WS2_32, "int", "ioctlsocket", "uint", $iSocket, "long", $iCmd, "ULONG*", $iArg)  Return $aRet[0] EndFunc   ;==>_ioctlsocket Func _TCPConnectEx($sIP, $iRemPort, $iRcvTimeOut = 0, $iSendTimeOut = 0, $iLocPort = -1)  Local $tTimeVal, $iSockError, $iBind, $iConnect, $aIP[1]  Local $iSock = _socket($AF_INET, $SOCK_STREAM, $IPPROTO_TCP)  If $iRcvTimeOut > 0 Then   $tTimeVal = DllStructCreate("DWORD timeout")   DllStructSetData($tTimeVal, "timeout", $iRcvTimeOut)   $iSockError = _setsockopt($iSock, $SOL_SOCKET, $SO_RCVTIMEO, $tTimeVal)   If $iSockError Then    _closesocket($iSock)    Return SetError(1, _WSAGetLastError(), 0)   EndIf  EndIf  If $iSendTimeOut > 0 Then   $tTimeVal = DllStructCreate("DWORD timeout")   DllStructSetData($tTimeVal, "timeout", $iSendTimeOut)   $iSockError = _setsockopt($iSock, $SOL_SOCKET, $SO_SNDTIMEO, $tTimeVal)   If $iSockError Then    _closesocket($iSock)    Return SetError(2, _WSAGetLastError(), 0)   EndIf  EndIf  If $iLocPort >= 0 Then   $iBind = _bind($iSock, @IPAddress1, $iLocPort)   If $iBind Then    _closesocket($iSock)    Return SetError(3, _WSAGetLastError(), 0)   EndIf  EndIf  If _IsValidIP($sIP) Then   $aIP[0] = $sIP  Else   $aIP = _getaddrinfo($sIP)  EndIf  $iConnect = _connect($iSock, $aIP[0], $iRemPort)  If $iConnect Then   _closesocket($iSock)   Return SetError(4, _WSAGetLastError(), 0)  EndIf  Return $iSock EndFunc   ;==>_TCPConnectEx Func _IsValidIP($sIP)  Local $aIP = StringSplit($sIP, ".")  If $aIP[0] <> 4 Then Return SetError(1, 0, 0)  For $x = 1 To $aIP[0]   If $aIP[$x] < 0 Or $aIP[$x] > 255 Then Return SetError(2, 0, 0)  Next  Return 1 EndFunc   ;==>_IsValidIP TCPConnectTimeout & socket UDF.rar