Tcl Library Source Code

EuroTcl/OpenACS 11 - 12 JULY 2024, VIENNA

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multiplexer - One-to-many communication with sockets.

Table Of Contents


package require Tcl 8.5 9
package require logger
package require multiplexer ?0.3?

${multiplexer_instance}::Init port
${multiplexer_instance}::Config key value
${multiplexer_instance}::AddFilter cmdprefix
cmdprefix data chan clientaddress clientport
${multiplexer_instance}::AddAccessFilter cmdprefix
cmdprefix chan clientaddress clientport
${multiplexer_instance}::AddExitFilter cmdprefix
cmdprefix chan clientaddress clientport


The multiplexer package provides a generic system for one-to-many communication utilizing sockets. For example, think of a chat system where one user sends a message which is then broadcast to all the other connected users.

It is possible to have different multiplexers running concurrently.

Bugs, Ideas, Feedback

This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category multiplexer of the Tcllib Trackers. Please also report any ideas for enhancements you may have for either package and/or documentation.

When proposing code changes, please provide unified diffs, i.e the output of diff -u.

Note further that attachments are strongly preferred over inlined patches. Attachments can be made by going to the Edit form of the ticket immediately after its creation, and then using the left-most button in the secondary navigation bar.


chat, multiplexer


Programming tools