Topics   All   Mac OS X (Only)   Windows (Only)   Linux (Only, Not)   iOS (Only, Not)  
Components   Crossplatform Mac & Win   Server   Client   Old   Guides   Examples
New in version: 7.4   7.5   8.0   8.1   8.2   8.3   8.4   8.5   9.0   9.1    Statistic  


Queries number of bytes in read buffer.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
Socket 4.3 Yes Yes Yes Yes Yes
MBS( "Socket.AvailableBytes"; SocketID )   More


Parameter Description Example value
SocketID The socket ID received by Socket.Connect function. $sock


Returns number or error.


Queries number of bytes in read buffer.
May not work for SSL sockets.

The buffer size of the socket is managed by the OS and can be several megabytes big if needed.


Query available byte count:

MBS( "Socket.AvailableBytes"; $sock )

See also

Blog Entries

Created 11st September 2014, last changed 17th March 2018

Socket.AddMembership   -   Socket.Check

Feedback: Report problem or ask question.

MBS Xojo Plugins