This ikiwiki plugin provides the "msc" ikiwiki directive. This directive allows embedding mscgen message sequence chart graphs in an ikiwiki page.
Here's an example of displaying an mscgen graph in ikiwiki.
\[[!msc src="""
arcgradient = 8;
a [label="Client"],b [label="Server"];
a=>b [label="data1"];
a-xb [label="data2"];
a=>b [label="data3"];
a<=b [label="ack1, nack2"];
a=>b [label="data2", arcskip="1"];
|||;
a<=b [label="ack3"];
|||;
"""]]
This plugin uses the cpan Digest::SHA perl module.
This plugin borrows heavily from the graphviz ikiwiki plugin written by Josh Triplett.
Install to a valid ikiwiki plugin place, e.g. "~/.ikiwiki/IkiWiki/Plugin/".