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# early-pipe, starttls, tfo
#
# NOTE: ensure that TFO is fully enabled in the kernel.
# For linux: sysctl net.ipv4.tcp_fastopen=3
#
# Network delay so we can see tfo efects
# Clear any previously-obtained tfo cookie:
sudo perl
system ("tc qdisc add dev lo root netem delay 50ms");
system ("[ -e /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec ] && echo 0 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec");
system ("ip tcp_metrics delete 127.0.0.1");
****
#
#
# Early-pipe not attempted without a cache entry
exim -bd -DSERVER=server -oX PORT_D
****
#
exim a@test.ex
Subject test 1
****
exim -DCONNECTCOND=127.0.0.1 -q
****
exim -DNOTDAEMON -DSERVER=server -q
****
#
#
#
# Go for it. This one should do early-pipelinng.
exim b@test.ex
Subject test 2
****
exim -DCONNECTCOND=127.0.0.1 -q
****
exim -DNOTDAEMON -DSERVER=server -q
****
#
#
killdaemon
#
#
# And again with CHUNKING
#
exim -bd -DSERVER=server -DOPT=* -oX PORT_D
****
#
# First try has wrong cached info for chunking. Get it refreshed.
exim wrongcache@test.ex
Subject test 4
****
exim -DCONNECTCOND=127.0.0.1 -q
****
exim -DNOTDAEMON -DSERVER=server -q
****
#
# Go for it
exim chunking@test.ex
Subject test 5
****
exim -DCONNECTCOND=127.0.0.1 -q
****
exim -DNOTDAEMON -DSERVER=server -q
****
#
killdaemon
#
sudo perl
system ("tc qdisc delete dev lo root");
****
no_msglog_check
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