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Socket.SetDataAvailableHandler

Sets the data available handler for this socket.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
Socket 3.1 Yes Yes No No Yes
MBS( "Socket.SetDataAvailableHandler"; SocketID; FileName; ScriptName )   More

Parameters

Parameter Description Example value
SocketID The socket ID received by Socket.Connect function. $sock
FileName The name of the FileMaker File that contains the script "MyDatabase.fp7"
ScriptName The name of the script to run "DataAvailable"

Result

Returns OK or error message.

Description

Sets the data available handler for this socket.
When new data arrives, this script is called, so you can call Socket.Read function.
Be aware that script may be called when just a few bytes are in the read buffer. So the data message you wait for may only be available partly. In that case, please read available bytes, check if whole packet/message arrived and if not, store read data for later and wait for next script call.

With plugin version 6.0 or newer the script name can be a script ID number. In that case the plugin queries the script name for the given script ID. This allows to call scripts by ID and avoid problems if scripts are later renamed.

Examples

Set script to be triggered if data is available:

Set Variable [$r; Value:MBS("Socket.SetDataAvailableHandler"; $$sock; Get(FileName); "ReadMessage")]

See also

Example Databases

Created 18th August 2014, last changed 17th June 2018


Socket.SetDataAvailableEvaluate   -   Socket.SetDataAvailableURL

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