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      1 #!/bin/gawk
      2 #
      3 # Copyright (c) 2014 Masatake YAMATO <yamato (at] redhat.com>
      4 # Copyright (c) 2014-2015 Dmitry V. Levin <ldv (at] altlinux.org>
      5 # All rights reserved.
      6 #
      7 # Redistribution and use in source and binary forms, with or without
      8 # modification, are permitted provided that the following conditions
      9 # are met:
     10 # 1. Redistributions of source code must retain the above copyright
     11 #    notice, this list of conditions and the following disclaimer.
     12 # 2. Redistributions in binary form must reproduce the above copyright
     13 #    notice, this list of conditions and the following disclaimer in the
     14 #    documentation and/or other materials provided with the distribution.
     15 # 3. The name of the author may not be used to endorse or promote products
     16 #    derived from this software without specific prior written permission.
     17 #
     18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 
     29 BEGIN {
     30   lines = 9
     31   fail = 0
     32 
     33   r_i = "[1-9][0-9]*"
     34   r_port = "[1-9][0-9][0-9][0-9]+"
     35   r_localhost = "127\\.0\\.0\\.1"
     36   r_socket = "^socket\\(PF_INET, SOCK_STREAM, IPPROTO_IP\\) += 0<TCP:\\[(" r_i ")\\]>$"
     37   r_getsockname = "^getsockname\\(0<TCP:\\[" r_localhost ":(" r_port ")\\]>, \\{sa_family=AF_INET, sin_port=htons\\((" r_port ")\\), sin_addr=inet_addr\\(\"" r_localhost "\"\\)\\}, \\[" r_i "\\]\\) += 0$"
     38 }
     39 
     40 NR == 1 {
     41   if (match($0, r_socket, a)) {
     42     inode = a[1]
     43     r_bind = "^bind\\(0<TCP:\\[" inode "\\]>, \\{sa_family=AF_INET, sin_port=htons\\(0\\), sin_addr=inet_addr\\(\"" r_localhost "\"\\)\\}, " r_i "\\) += 0$"
     44     r_listen = "^listen\\(0<TCP:\\[" inode "\\]>, 5\\) += 0$"
     45     next
     46   }
     47 }
     48 
     49 NR == 2 {if (r_bind != "" && match($0, r_bind)) next}
     50 
     51 NR == 3 {if (r_listen != "" && match($0, r_listen)) next}
     52 
     53 NR == 4 {
     54   if (match($0, r_getsockname, a) && a[1] == a[2]) {
     55     port_l = a[1]
     56     r_accept = "^accept\\(0<TCP:\\[" r_localhost ":" port_l "\\]>, \\{sa_family=AF_INET, sin_port=htons\\((" r_port ")\\), sin_addr=inet_addr\\(\"" r_localhost "\"\\)\\}, \\[" r_i "\\]\\) += 1<TCP:\\[" r_localhost ":" port_l "->" r_localhost ":(" r_port ")\\]>$"
     57     r_close0 = "^close\\(0<TCP:\\[" r_localhost ":" port_l "\\]>) += 0$"
     58     next
     59   }
     60 }
     61 
     62 NR == 5 {
     63   if (r_accept != "" && match($0, r_accept, a) && a[1] == a[2]) {
     64     port_r = a[1]
     65     r_recv = "^recv\\(1<TCP:\\[" r_localhost ":" port_l "->" r_localhost ":" port_r "\\]>, \"data\", 5, MSG_WAITALL\\) += 4$"
     66     r_recvfrom = "^recvfrom\\(1<TCP:\\[" r_localhost ":" port_l "->" r_localhost ":" port_r "\\]>, \"data\", 5, MSG_WAITALL, NULL, NULL\\) += 4$"
     67     r_close1 = "^close\\(1<TCP:\\[" r_localhost ":" port_l "->" r_localhost ":" port_r "\\]>) += 0$"
     68     next
     69   }
     70 }
     71 
     72 NR == 6 {if (r_close0 != "" && match($0, r_close0)) next}
     73 
     74 NR == 7 {if (r_recv != "" && (match($0, r_recv) || match($0, r_recvfrom))) next}
     75 
     76 NR == 8 {if (r_close1 != "" && match($0, r_close1)) next}
     77 
     78 NR == lines && $0 == "+++ exited with 0 +++" {next}
     79 
     80 {
     81   print "Line " NR " does not match: " $0
     82   fail=1
     83 }
     84 
     85 END {
     86   if (NR != lines) {
     87     print "Expected " lines " lines, found " NR " line(s)."
     88     print ""
     89     exit 1
     90   }
     91   if (fail) {
     92     print ""
     93     exit 1
     94   }
     95 }
     96