sitestat/source/server.d

60 lines
1.7 KiB
D

module server;
import std.file;
import handy_httpd;
import handy_httpd.handlers.path_delegating_handler;
import d_properties;
import slf4d;
void startServer() {
Properties props;
if (exists("sitestat.properties")) {
props = Properties("sitestat.properties");
} else {
warn("No sitestat.properties file was found. Using defaults!");
}
new HttpServer(prepareHandler(props), prepareConfig(props)).start();
}
/**
* Prepares the main request handler for the server.
* Returns: The request handler.
*/
private HttpRequestHandler prepareHandler(Properties props) {
import live_tracker;
PathDelegatingHandler pathHandler = new PathDelegatingHandler();
pathHandler.addMapping(
Method.GET,
"/ws",
new WebSocketHandler(new LiveTracker(props.get!uint(
"minSessionDurationMillis",
LiveTracker.DEFAULT_MIN_SESSION_DURATION
)))
);
return pathHandler;
}
/**
* Prepares the server's configuration using sensible default values that can
* be overridded by a "sitestat.properties" file in the program's working dir.
* Returns: The config to use.
*/
private ServerConfig prepareConfig(Properties props) {
ServerConfig config = ServerConfig.defaultValues();
config.workerPoolSize = 3;
config.port = 8081;
config.enableWebSockets = true;
if (props.has("server.host")) {
config.hostname = props.get("host");
}
if (props.has("server.port")) {
config.port = props.get!ushort("server.port");
}
if (props.has("server.workers")) {
config.workerPoolSize = props.get!size_t("server.workers");
}
config.defaultHeaders["Access-Control-Allow-Origin"] = "*";
config.defaultHeaders["Access-Control-Allow-Methods"] = "*";
config.defaultHeaders["Access-Control-Allow-Headers"] = "*";
return config;
}