tst.ipv4localtcp.ksh revision c090e5dfb10cc96e71e6b0f55bf98c18027b002c
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9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# Test {ip,tcp}:::{send,receive} of IPv4 TCP to local host.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# This may fail due to:
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 1. A change to the ip stack breaking expected probe behavior,
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# which is the reason we are testing.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 2. The lo0 interface missing or not up.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 3. The local ssh service is not online.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 4. An unlikely race causes the unlocked global send/receive
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# variables to be corrupted.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# This test performs a TCP connection and checks that at least the
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# following packet counts were traced:
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 3 x ip:::send (2 during the TCP handshake, then a FIN)
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 3 x tcp:::send (2 during the TCP handshake, then a FIN)
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 2 x ip:::receive (1 during the TCP handshake, then the FIN ACK)
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# 2 x tcp:::receive (1 during the TCP handshake, then the FIN ACK)
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# The actual count tested is 5 each way, since we are tracing both
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# source and destination events.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# For this test to work, we are assuming that the TCP handshake and
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn# TCP close will enter the IP code path and not use tcp fusion.
9def8137e705ec92bc3a2881a8457795c860fdb1shankar_mbn print -u2 "expected one argument: <dtrace-path>"
cd $DIR
status=$?
exit $status