demo wip

Change-Id: If7b7b28f51f4b408333176825ba1aa1889cef505

configure.ac

@@ -208,4 +208,5 @@ AC_OUTPUT(
     doc/manuals/Makefile
     contrib/Makefile
     contrib/systemd/Makefile
+    contrib/demo/Makefile
     Makefile)

contrib/demo/Makefile.am

@@ -0,0 +1,16 @@
+msc: \
+	$(NULL)
+
+dot: \
+	$(builddir)/demo_overview.png \
+	$(NULL)
+
+$(builddir)/%.png: $(srcdir)/%.msc
+	mscgen -T png -o $@ $<
+
+$(builddir)/%.png: $(srcdir)/%.dot
+	dot -Tpng $< > $@
+
+.PHONY: poll
+poll:
+	while true; do $(MAKE) msc dot; sleep 1; done

contrib/demo/demo_overview.dot

@@ -0,0 +1,36 @@
+digraph G {
+rankdir=TB
+labelloc=t; label="OsmoUPF demo Overview"
+
+subgraph cluster_left {
+	label="netns 'left'";style=dotted;rankdir=TB
+	left_eth [label="veth3\n10.3.0.1/32"]
+	left_upf [label="osmo-upf\ntunend\nPFCP: 127.3.0.1:8805"]
+	left_tunend [label="GTP module tunend\napn_left 10.3.1.1\nUE: 192.168.3.42"]
+	left_tool [label="osmo-pfcp-tool\nPFCP: 127.3.0.2:8805"]
+	left_tool -> left_upf [label="PFCP"]
+}
+
+subgraph cluster_mid {
+	label="netns 'mid'";style=dotted
+	mid_eth23 [label="veth23\n10.2.3.1/32"]
+	mid_eth21 [label="veth21\n10.2.1.1/32"]
+	mid_upf [label="osmo-upf\ntunmap\nPFCP: 127.2.0.1:8805\nGTP: nft rulesets"]
+	mid_nft [label="nft tunmap"]
+	mid_tool [label="osmo-pfcp-tool\nPFCP: 127.2.0.2:8805"]
+	mid_tool -> mid_upf [label="PFCP"]
+}
+
+subgraph cluster_right {
+	label="netns 'right'";style=dotted
+	right_eth [label="veth1\n10.1.0.1/32"]
+	right_upf [label="osmo-upf\ntunend\nPFCP: 127.1.0.1:8805"]
+	right_tunend [label="GTP module tunend\napn_right 10.1.1.1\nUE: 192.168.1.42"]
+	right_tool [label="osmo-pfcp-tool\nPFCP: 127.1.0.2:8805"]
+	right_tool -> right_upf [label="PFCP"]
+}
+
+left_tunend -> mid_nft [label="GTP-U"]
+mid_nft -> right_tunend [label="GTP-U"]
+
+}