From eea5898961a40fc50f01356f90c42904a73a3f74 Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Wed, 25 Jan 2017 18:32:35 +0100
Subject: major run-virt restructure, only vmware plugin tested!

---
 .../vmchooser/run-virt.d/setup_printer_lpd.inc     | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 core/modules/printergui/data/opt/openslx/vmchooser/run-virt.d/setup_printer_lpd.inc

(limited to 'core/modules/printergui')

diff --git a/core/modules/printergui/data/opt/openslx/vmchooser/run-virt.d/setup_printer_lpd.inc b/core/modules/printergui/data/opt/openslx/vmchooser/run-virt.d/setup_printer_lpd.inc
new file mode 100644
index 00000000..d4c7df07
--- /dev/null
+++ b/core/modules/printergui/data/opt/openslx/vmchooser/run-virt.d/setup_printer_lpd.inc
@@ -0,0 +1,72 @@
+#####################################
+# Include: Setup printer daemon LPD #
+#####################################
+## Functions ##
+setup_virtual_printer() {
+	# TODO: QUEUE should prolly not be hardcoded ....
+	local QUEUE="STANDARD" # This has to match the queue you configured in your VM
+	local SPOOLDIR
+	
+	### Disabled: 100megs is not enough, some jobs are HUGE, try to use temp which should be on disk
+	## Try using user's tmpfs home first, as it gets wiped on logout
+	#if [ -n "${HOME}" ] && [ -w "${HOME}" ]; then
+	#       SPOOLDIR="${HOME}/.spool"
+	#       mkdir -p "${SPOOLDIR}/${QUEUE}"
+	#fi
+	# If failed, try to fall back to /tmp
+	
+	if [ -z "${SPOOLDIR}" ] || [ ! -w "${SPOOLDIR}/${QUEUE}" ]; then
+		SPOOLDIR="${TMPDIR}/printergui-${RANDOM}"
+		rm -rf -- "${SPOOLDIR}"
+		if ! mkdir -p "${SPOOLDIR}/${QUEUE}"; then
+			slxlog "virt-spooldir" "Could not create spool directory ($SPOOLDIR) for $USER - printing will not work!"
+			notify_user "Drucksystem" "Das Drucksystem konnte nicht initialisiert werden. Druckfunktion nicht verfügbar."
+		fi
+		chmod 0700 "${SPOOLDIR}/${QUEUE}"
+	fi
+	
+	# Start the lpdaemon listening on the given port
+	# TODO: externalize with something like runvirt.d (other parts might benefit from that too)
+	tcpsvd -E 192.168.101.1 5515 \
+		lpd "$SPOOLDIR" \
+		ash -c "/opt/openslx/scripts/run-virt_print '${USER}' \"${SPOOLDIR}/${QUEUE}/\$DATAFILE\"" &
+	
+	# PID to kill the process
+	declare -rg PID_LPD="$!"
+	add_cleanup "stop_virtual_printer"
+	{
+		sleep 2
+		# Check if tcpsvd is running. Do this a little delayed so we do not check
+		# immediately after trying to spawn it, as this could result in
+		# success even if it's not really working.
+	
+		if ! kill -0 "$PID_LPD"; then
+			slxlog "virt-lpd" "Could not start tcpsvd/lpd for virtual machine session"
+			notify_user "Drucksystem" "Das Drucksystem konnte nicht initialisiert werden. Druckfunktion nicht verfügbar."
+		fi
+	} &
+}
+
+# cleanup helper to stop lpd
+stop_virtual_printer() {
+	isset PID_LPD && kill "${PID_LPD}"
+}
+
+## MAIN ##
+# Sanity checks
+unset FAIL
+if ! check_dep tcpsvd lpd; then
+	writelog "One of 'tcpsvd' or 'lpd' could not be found in PATH: $PATH"
+	FAIL=y
+fi
+if [ ! -f "/opt/openslx/scripts/run-virt_print" ]; then
+	writelog "File not found: /opt/openslx/scripts/run-virt_print"
+	FAIL=y
+fi
+if isset FAIL; then
+	unset FAIL
+	notify_user "Drucksystem" "Das Drucksystem konnte nicht initialisiert werden. Druckfunktion nicht verfügbar."
+else
+	reg_feature_handler "printer" "setup_virtual_printer"
+fi
+
-- 
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