Function Reference


UDPOpen

Open a socket connected to an existing server .

UDPOpen ( IPAddr, port [, flag] )

Parameters

IPAddr Internet Protocol dotted address(IpV4) as "192.162.1.1".
port port on which the created socket will be connected.
flag [optional] 0 (Default) - No additional options are set.
1 - Allow the broadcasting on the address "255.255.255.255".

Return Value

Success: Returns an array : $array[1] contains the real socket, $array[2] contains the specified IP address and $array[3] contains the port. We need this information in subsequent calls to UDPSend(), where we pass this socket structure/array.
Failure: Returns $array[0]=0 and set @error.
@error: windows API WSAGetError return value (see MSDN).

Remarks

This function is used by a client to communicate with the server.

Related

UDPBind, UDPSend, UDPCloseSocket, UDPRecv

Example


;CLIENT!!!!!!!! Start SERVER First... dummy!!
Local $g_IP = "127.0.0.1"

; Start The UDP Services
;==============================================
UDPStartup()

; Connect to a Listening "SOCKET"
;==============================================
Local $socket = UDPOpen($g_IP, 65432)
If @error <> 0 Then Exit