global builddir
global netlinkfh
global env
+ global pidmap
+ global readbuf
upvar #0 pids($site) pid
+ set readbuf($site) {}
set cf $tmp/$site.conf
set ch [open $cf w]
puts $ch [mkconf $location $site]
close $ch
set argl [list $builddir/secnet -dvnc $cf]
+ set divertk SECNET_STEST_DIVERT_$site
puts -nonewline "spawn"
foreach k [array names env] {
switch -glob $k {
+ SECNET_STEST_DIVERT_* -
SECNET_TEST_BUILDDIR { }
*SECNET* -
*PRELOAD* { puts -nonewline " $k=$env($k)" }
}
}
puts " $argl"
- set pid [fork]
- if {!$pid} {
- execl [lindex $argl 0] [lrange $argl 1 end]
+ if {[info exists env($divertk)]} {
+ switch -glob $env($divertk) {
+ i {
+ puts -nonewline "run ^ command, hit return "
+ flush stdout
+ gets stdin
+ set argl {}
+ }
+ 0 - "" {
+ }
+ * {
+ set argl [split $env($divertk)]
+ }
+ }
+ }
+ if {[llength $argl]} {
+ set pid [fork]
+ set pidmap($pid) "secnet $location/$site"
+ if {!$pid} {
+ execl [lindex $argl 0] [lrange $argl 1 end]
+ }
}
puts -nonewline $netlinkfh($site.t) [hbytes h2raw c0]
}
proc netlink-readable {location site} {
global ok
+ upvar #0 readbuf($site) buf
upvar #0 netlinkfh($site.r) fh
- read $fh; # empty the buffer
+ while 1 {
+ set x [read $fh]
+ set h [hbytes raw2h $x]
+ if {![hbytes length $h]} return
+ append buf $h
+ #puts "READABLE $site buf=$buf"
+ while {[regexp {^((?:..)*?)c0(.*)$} $buf dummy now buf]} {
+ #puts "READABLE $site now=$now (buf=$buf)"
+ regsub -all {^((?:..)*?)dbdc} $now {\1c0} now
+ regsub -all {^((?:..)*?)dbdd} $now {\1db} now
+ puts "netlink-got-packet $location $site $now"
+ netlink-got-packet $location $site $now
+ }
+ }
+}
+
+proc netlink-got-packet {location site data} {
+ if {![hbytes length $data]} return
switch -exact $site {
inside {
- puts OK
- set ok 1; # what a bodge
- return
+ switch -glob $data {
+ 45000054ed9d4000fe0166d9ac12e802ac12e80900* {
+ puts "OK $data"
+ finish 0
+ }
+ * {
+ error "unexpected $site $data"
+ }
+ }
}
outside {
error "inside rx'd!"
----------------------------------------
"
}
- exit 1
+ finish 1
}
proc sendpkt {} {
set socktmp $tmp/s
exec mkdir -p -m700 $socktmp
-regsub {^(?!/)} $socktmp {./} socktmp ;# dgram-socket wants ./ or /
+regsub {^(?!/|\./)} $socktmp {./} socktmp ;# dgram-socket wants ./ or /
proc prefix_preload {lib} { prefix_some_path LD_PRELOAD $lib }
set env(UDP_PRELOAD_DIR) $socktmp
prefix_preload $builddir/stest/udp-preload.so
+proc finish {estatus} {
+ puts stderr "FINISHING $estatus"
+ signal default SIGCHLD
+ global pidmap
+ foreach pid [array names pidmap] {
+ kill KILL $pid
+ }
+ exit $estatus
+}
+
+proc reap {} {
+ global pidmap
+ #puts stderr REAPING
+ foreach pid [array names pidmap] {
+ set got [wait -nohang $pid]
+ if {![llength $got]} continue
+ set info $pidmap($pid)
+ unset pidmap($pid)
+ puts stderr "reaped $info: $got"
+ finish 1
+ }
+}
+
+signal -restart trap SIGCHLD { after idle reap }
+
proc udp-proxy {} {
global socktmp udpsock
set u $socktmp/udp