X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/a2673768b71ee86c71e16e46d53d0ffc4f66b0de..f38a45371faa9f914ef69b57cbf1890c609b81cd:/test/scripts/1990-TCP-Fast-Open/1990?ds=inline diff --git a/test/scripts/1990-TCP-Fast-Open/1990 b/test/scripts/1990-TCP-Fast-Open/1990 index 47b77af0e..3fffce2d4 100644 --- a/test/scripts/1990-TCP-Fast-Open/1990 +++ b/test/scripts/1990-TCP-Fast-Open/1990 @@ -7,17 +7,31 @@ # A packet capture on the loopback interface will show the TFO # option on the SYN, but the fast-output SMTP banner will not # be seen unless you also deliberately emulate a long path: -# 'sudo tc qdisc add dev lo root netem delay 100ms' +# 'sudo tc qdisc add dev lo root netem delay 50ms' +# You'll need kernel-modules-extra installed, or you get +# an unhelpful error from RTNETLINK. +# To tidy up: 'sudo tc qdisc delete dev lo root' +# +sudo perl +system ("tc qdisc add dev lo root netem delay 50ms"); +**** # # First time runs will see a TFO request option only; subsequent # ones should see the TFO cookie and fast-output SMTP banner # (currently on a separate packet after the server SYN,ACK but before # the client ACK). # -# The log <= line should have a "TFO" element. +# The client log => lint.ex should have a "TFO" element. +# Assuming this is the first run since boot, the a@test recipient will not. +# +sudo perl +system ("ip tcp_metrics delete 127.0.0.1"); +**** +# +# The server log <= line for b@test.ex should have a "TFO" element, but +# this will only be obtained when the above delay is inserted into the +# loopback net path. # -# If the client-side is disabled in the kernel, Exim logs -# will become noisy. # # # FreeBSD: it looks like you have to compile a custom kernel, with @@ -27,13 +41,21 @@ # exim -DSERVER=server -bd -oX PORT_D **** +# exim a@test.ex Testing **** sleep 3 +# exim b@test.ex Testing **** sleep 3 +# +# +sudo perl +system ("tc qdisc delete dev lo root"); +**** +# killdaemon no_msglog_check