add and example of tftpd service

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

examples/var_service/tftpd/log/run

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+user=logger
+
+logdir="/var/log/service/`(cd ..;basename $PWD)`"
+mkdir -p "$logdir" 2>/dev/null
+chown -R "$user": "$logdir"
+chmod -R go-rwxst,u+rwX "$logdir"
+rm logdir
+ln -s "$logdir" logdir
+
+# make this dir accessible to logger
+chmod a+rX .
+
+exec >/dev/null
+exec 2>&1
+exec \
+env - PATH="$PATH" \
+softlimit \
+setuidgid "$user" \
+svlogd -tt "$logdir"

examples/var_service/tftpd/p_log

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+cd log/logdir || exit 1
+cat @* current | $PAGER

examples/var_service/tftpd/run

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+#exec >/dev/null
+exec 2>&1
+exec </dev/null
+
+user=root # for bind to port 69
+
+exec \
+env - \
+softlimit \
+setuidgid "$user" \
+udpsvd -v -c 10 -l localhost \
+  0 69 \
+tftpd /pub/tftpd_root

examples/var_service/tftpd/w_log

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+cd log/logdir || exit 1
+watch -n2 'w=`ttysize w`; h=`ttysize h`; tail -$((h-3)) current 2>&1 | cut -b0-$((w-2))'