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ceph/doc/mon/paxos-call-chain.dot
Joao Eduardo Luis 504c6ce957 doc: Add Paxos call chain to doc/mon/
Signed-off-by: Joao Eduardo Luis <joao.luis@inktank.com>
2012-05-29 18:34:27 -07:00

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digraph Paxos {
concentrate=true
// subgraph cluster0 {
collect -> state_recovering;
collect -> send_mmp_collect -> handle_collect [style=dotted];
handle_collect -> send_mmp_last;
send_mmp_last -> handle_last [style=dotted];
handle_last -> collect [label="collect(last_pn)"];
handle_last -> send_mmp_commit;
handle_last -> state_active;
handle_last -> begin;
handle_last -> extend_lease;
// color=grey;
// style=filled;
// label="Post-Election call chain";
// }
election_finished -> leader_init;
leader_init -> collect [label="collect(0)"];
send_mmp_commit -> handle_commit [style=dotted];
begin -> state_updating;
begin -> send_mmp_begin;
begin -> commit;
send_mmp_begin -> handle_begin [style=dotted];
handle_begin -> state_updating;
handle_begin -> send_mmp_accept;
send_mmp_accept -> handle_accept [style=dotted];
handle_accept -> extend_lease;
handle_accept -> state_active;
handle_accept -> commit;
extend_lease -> send_mmp_lease;
send_mmp_lease -> handle_lease [style=dotted];
handle_lease -> state_active;
handle_lease -> send_mmp_lease_ack;
send_mmp_lease_ack -> handle_lease_ack [style=dotted];
commit -> send_mmp_commit;
commit -> "last_committed++" [shape=box];
send_mmp_commit -> handle_commit [style=dotted];
handle_commit -> store_state;
propose_pending -> propose_new_value;
propose_new_value -> begin;
election_finished [label="Election Finished", shape=box, bgcolor=grey, style=filled];
collect [label="collect()", shape=box];
commit [label="commit()", shape=box];
begin [label="begin()", shape=box];
extend_lease [label="extend_lease()", shape=box];
store_state [label="store_state()"]; // peon
propose_pending [label="PaxosService::propose_pending()"];
propose_new_value [label="propose_new_value"];
send_mmp_collect [label="send(OP_COLLECT)", shape=box];
send_mmp_last [label="send(OP_LAST)"];
send_mmp_commit [label="send(OP_COMMIT)", shape=box];
send_mmp_begin [label="send(OP_BEGIN)", shape=box];
send_mmp_accept [label="send(OP_ACCEPT)"];
send_mmp_lease [label="send(OP_LEASE)", shape=box];
send_mmp_lease_ack [label="send(OP_LEASE_ACK)"];
handle_collect [label="handle_collect()"];
handle_last [label="handle_last()", shape=box];
handle_begin [label="handle_begin()"];
handle_accept [label="handle_accept()", shape=box];
handle_lease [label="handle_lease()"];
handle_lease_ack [label="handle_lease_ack()", shape=box];
handle_commit [label="handle_commit()"];
leader_init [label="Paxos::leader_init()", shape=box];
state_recovering [label="RECOVERING", shape=diamond];
state_active [label="ACTIVE", shape=diamond];
state_updating [label="UPDATING", shape=diamond];
}