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authorJianfeng Tan <henry.tjf@antfin.com>2019-11-18 06:59:50 +0000
committerJianfeng Tan <henry.tjf@antfin.com>2020-03-05 01:31:33 +0800
commit78c896b3b3127515478090c19447e27dc406427e (patch)
treed6d67d4683e9ca0409f9984a834547a572fb5310 /test/packetdrill/tests/linux/close/close-unread-data-rst.pkt
parente4380f4866091fd92a7a57667dd938a99144f9cd (diff)
Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> Signed-off-by: Jielong Zhou <jielong.zjl@antfin.com> Signed-off-by: Jian Zhang <wuzai.zj@antfin.com> Signed-off-by: Chen Zhao <winters.zc@antfin.com> Change-Id: I55c39de4c6cd30f991f35631eb507f770230f08e
Diffstat (limited to 'test/packetdrill/tests/linux/close/close-unread-data-rst.pkt')
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1 files changed, 38 insertions, 0 deletions
diff --git a/test/packetdrill/tests/linux/close/close-unread-data-rst.pkt b/test/packetdrill/tests/linux/close/close-unread-data-rst.pkt
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@@ -0,0 +1,38 @@
+// If we close the connection before read()'ing what
+// the other side sent, a RST will be generated instead
+// of a FIN.
+
+0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0.000 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
+0.000 bind(3, ..., ...) = 0
+0.000 listen(3, 1) = 0
+
+0.100 < S 0:0(0) win 32792 <mss 1460,sackOK,nop,nop,nop,wscale 7>
+0.100 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 6>
+0.200 < . 1:1(0) ack 1 win 257
+0.200 accept(3, ..., ...) = 4
+
+// Receive first segment.
+0.210 < P. 1:1001(1000) ack 1 win 46
+
+// Send one ACK.
+0.210 > . 1:1(0) ack 1001
+
+// Application writes 1000 bytes.
+0.250 write(4, ..., 1000) = 1000
+0.250 > P. 1:1001(1000) ack 1001
+
+// ACK
+0.300 < . 1001:1001(0) ack 1001 win 257
+
+// Client closes the connection.
+0.610 < F. 1001:1001(0) ack 1001 win 260
+
+// Respond with (delayed) ACK.
+0.650 > . 1001:1001(0) ack 1002
+
+// We close the connection.
+0.700 close(4) = 0
+// Since we have not read, we generate a RST instead of a FIN
+// conforming to RFC 1122 section 4.2.2.13.
+0.701 > R. 1001:1001(0) ack 1002