// Copyright 2006-2017, Matthew Welland.
//
// This file is part of Megatest.
//
// Megatest is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Megatest is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Megatest. If not, see <http://www.gnu.org/licenses/>.
digraph G {
// connecting to server
subgraph cluster_1 {
label="Connect";
node [style=filled,shape=box];
dotserver [label="Have .server file?"];
connect [label="Connect to server"];
// startserver [label="Start Server"];
connected [label="Connection Successful"];
anylive [label="Any live servers?"];
askstart [label="Ask existing server to start a new server"];
anydboard [label="Any live dashboards"];
askdboard [label="Ask dashboard to start server"];
serverlaunch [label="User server launch to start server process"];
wait5sec [label="Wait 5 seconds"];
dotserver -> connect [label="yes"];
connect -> connected [label="yes"];
connect -> anylive [label="no"];
// startserver -> anylive;
anylive -> askstart [label="yes"];
anylive -> anydboard [label="no"];
anydboard -> askdboard [label="yes"];
anydboard -> serverlaunch [label="no"];
serverlaunch -> wait5sec;
askdboard -> wait5sec;
askstart -> wait5sec;
wait5sec -> dotserver;
}
// server bootstrap
subgraph cluster_2 {
label="Startup";
node [style=filled,shape=box];
getlock [label="Get file lock"];
starthttp [label="Start http server"];
copydb [label="Copy db to /tmp"];
createsrvfile [label="Create .nnn.server file containing host:port"];
releaselock [label="Release file lock"];
getlock -> starthttp -> createsrvfile;
getlock -> copydb -> createsrvfile;
createsrvfile -> releaselock;
}
// shutting down server
subgraph cluster_3 {
label="Shutdown";
node [style=filled,shape=box];
shutdown [label="Start Shutdown"];
rejectmode [label="Put http server into reject requests mode"];
syncback [label="Sync db back"];
exit [label="Exit process"];
shutdown -> rejectmode -> syncback -> exit;
}
// subgraph cluster_1 {
// node [style=filled,shape=box];
//
// check_available_queue -> remove_entries_over_10s_old;
// remove_entries_over_10s_old -> set_available [label="num_avail < 3"];
// remove_entries_over_10s_old -> exit [label="num_avail > 2"];
//
// set_available -> delay_2s;
// delay_2s -> check_place_in_queue;
//
// check_place_in_queue -> "http:transport-launch" [label="at head"];
// check_place_in_queue -> exit [label="not at head"];
//
// "client:login" -> "server:shutdown" [label="login failed"];
// "server:shutdown" -> exit;
//
// subgraph cluster_2 {
// "http:transport-launch" -> "http:transport-run";
// "http:transport-launch" -> "http:transport-keep-running";
//
// "http:transport-keep-running" -> "tests running?";
// "tests running?" -> "client:login" [label=yes];
// "tests running?" -> "server:shutdown" [label=no];
// "client:login" -> delay_5s [label="login ok"];
// delay_5s -> "http:transport-keep-running";
// }
//
// // start_server -> "server_running?";
// // "server_running?" -> set_available [label="no"];
// // "server_running?" -> delay_2s [label="yes"];
// // delay_2s -> "still_running?";
// // "still_running?" -> ping_server [label=yes];
// // "still_running?" -> set_available [label=no];
// // ping_server -> exit [label=alive];
// // ping_server -> remove_server_record [label=dead];
// // remove_server_record -> set_available;
// // set_available -> avail_delay [label="delay 3s"];
// // avail_delay -> "first_in_queue?";
// //
// // "first_in_queue?" -> set_running [label=yes];
// // set_running -> get_next_port -> handle_requests;
// // "first_in_queue?" -> "dead_entry_in_queue?" [label=no];
// // "dead_entry_in_queue?" -> "server_running?" [label=no];
// // "dead_entry_in_queue?" -> "remove_dead_entries" [label=yes];
// // remove_dead_entries -> "server_running?";
// //
// // handle_requests -> start_shutdown [label="no traffic\nno running tests"];
// // handle_requests -> shutdown_request;
// // start_shutdown -> shutdown_delay;
// // shutdown_request -> shutdown_delay;
// // shutdown_delay -> exit;
//
// label = "server:launch";
// color=brown;
// }
// client_start_server -> start_server;
// handle_requests -> read_write;
// read_write -> handle_requests;
}