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doc/dev/msgr2: add state machine diagrams

Signed-off-by: Kefu Chai <kchai@redhat.com>
This commit is contained in:
Kefu Chai 2021-05-18 20:29:40 +08:00
parent 3b653b331b
commit 29d311a54c

View File

@ -838,3 +838,56 @@ _____________________________________
| |
.. graphviz::
:caption: client side state machine
digraph lossy_client {
node [shape = doublecircle]; "start_connect" "closed";
node [shape = oval];
start_connect -> banner_connecting [label = "<connected>"];
subgraph hello_banner {
banner_connecting -> hello_connecting [label = "banner exchange"];
hello_connecting -> banner_connecting [label = "hello exchange"];
label = "hello banner exchange";
color = blue;
}
banner_connecting -> auth_connecting [label = "<exchange done>"];
auth_connecting -> auth_connecting [label = "auth reply more"];
auth_connecting -> auth_connecting [label = "auth bad method"];
auth_connecting -> auth_connecting_sign [label = "auth done"];
auth_connecting_sign -> session_connecting [label = "auth signature"];
session_connecting -> wait [label = "wait"];
wait -> start_connect [label = "<backoff>"];
session_connecting -> closed [label = "ident missing features"];
session_connecting -> ready [label = "server ident", tooltip = "set peer_name, peer_addr and connection features"];
ready -> ready [label = "keep alive"];
}
.. graphviz::
:caption: server side state machine
digraph lossy_server {
node [shape = doublecircle]; "start_accept" "closed";
node [shape = oval];
start_accept -> banner_accepting [label = "<accepted>"];
subgraph hello_banner {
banner_accepting -> hello_accepting [label = "banner exchange"];
hello_accepting -> banner_accepting [label = "hello exchange"];
label = "hello banner exchange";
color = blue;
};
banner_accepting -> auth_accepting [label = "<exchange done>"];
auth_accepting -> auth_accepting_more [label = "auth_request => 0"];
auth_accepting -> auth_accepting_sign [label = "auth_request => 1"];
auth_accepting_more -> auth_accepting_more [label = "auth_request => 0"];
auth_accepting_more -> auth_accepting_sign [label = "auth_request => 1"];
auth_accepting_more -> standby [label = "auth_request => EBUSY"];
auth_accepting_more -> auth_accepting_more [label = "auth_request => *"];
auth_accepting -> standby [label = "auth_request => EBUSY"];
auth_accepting -> auth_accepting [label = "send <auth bad method>"];
auth_accepting_sign -> session_accepting [label = "auth signature"];
session_accepting -> session_accepting [label = "reconnect"];
session_accepting -> closed [label = "ident missing features"];
session_accepting -> ready [label = "client ident", tooltip = "set connection features"];
ready -> ready [label = "keep alive"];
}