From 5d8bff6ba05a45627b2af43447b5832165fc0eac Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Wed, 12 Jan 2022 02:35:01 +0100 Subject: add initial FSM design charts Related: SYS#5599 Change-Id: I55474daa6bb204a0fe7da0a3bf888bb7d1c46677 --- doc/charts/pfcp_up_peer_fsm.dot | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 doc/charts/pfcp_up_peer_fsm.dot (limited to 'doc/charts/pfcp_up_peer_fsm.dot') diff --git a/doc/charts/pfcp_up_peer_fsm.dot b/doc/charts/pfcp_up_peer_fsm.dot new file mode 100644 index 0000000..60152f7 --- /dev/null +++ b/doc/charts/pfcp_up_peer_fsm.dot @@ -0,0 +1,27 @@ +digraph G { +rankdir=TB +labelloc=t; label="PFCP UP peer FSM\nUser Plane side, managing association with remote CP peer" + +txrx [label="PFCP socket",shape="box"] + +txrx -> NOT_ASSOCIATED [label="rx PFCP msg from\nnew remote IP"] +txrx -> NOT_ASSOCIATED [label="EV_RX_ASSOC_SETUP_REQ",style=dotted] + +NOT_ASSOCIATED -> ASSOCIATED [label="Assoc Setup Req",shape="box"] + +heartbeat [label="PFCP heartbeat FSM",shape=box3d] +ASSOCIATED -> heartbeat [label="alloc()",style=dotted] +heartbeat -> ASSOCIATED [label="EV_HEARTBEAT_FAILURE",style=dotted] + +txrx -> ASSOCIATED [label="EV_RX_SESSION_EST_REQ",style=dotted] +up_session [label="PFCP UP session FSM",shape=box3d] +ASSOCIATED -> up_session [label="up_session_create()",style=dotted] + +txrx -> ASSOCIATED [label="EV_RX_ASSOC_UPD_REQ",style=dotted] +ASSOCIATED -> GRACEFUL_RELEASE [label="Association Update\nindicating graceful release"] + +ASSOCIATED -> term [label="Heartbeat failure"] +GRACEFUL_RELEASE -> term +term [shape="octagon"] + +} -- cgit v1.2.3