/**
* Resolves host for REST TCP server using grid configuration.
*
* @param cfg Grid configuration.
* @return REST host.
* @throws IOException If failed to resolve REST host.
*/
private InetAddress resolveRestTcpHost(GridConfiguration cfg) throws IOException {
String host = cfg.getRestTcpHost();
if (host == null) host = cfg.getLocalHost();
return U.resolveLocalHost(host);
}
/** {@inheritDoc} */
@SuppressWarnings("BusyWait")
@Override
public void start(final GridRestProtocolHandler hnd) throws GridException {
assert hnd != null;
GridConfiguration cfg = ctx.config();
GridNioServerListener<GridClientMessage> lsnr = new GridTcpRestNioListener(log, hnd);
GridNioParser parser = new GridTcpRestParser(log);
try {
host = resolveRestTcpHost(cfg);
SSLContext sslCtx = null;
if (cfg.isRestTcpSslEnabled()) {
GridSslContextFactory factory = cfg.getRestTcpSslContextFactory();
if (factory == null)
// Thrown SSL exception instead of GridException for writing correct warning message into
// log.
throw new SSLException("SSL is enabled, but SSL context factory is not specified.");
sslCtx = factory.createSslContext();
}
int lastPort = cfg.getRestTcpPort() + cfg.getRestPortRange() - 1;
for (port = cfg.getRestTcpPort(); port <= lastPort; port++) {
if (startTcpServer(host, port, lsnr, parser, sslCtx, cfg)) {
if (log.isInfoEnabled()) log.info(startInfo());
return;
}
}
U.warn(
log,
"Failed to start TCP binary REST server (possibly all ports in range are in use) "
+ "[firstPort="
+ cfg.getRestTcpPort()
+ ", lastPort="
+ lastPort
+ ", host="
+ host
+ ']');
} catch (SSLException e) {
U.warn(
log,
"Failed to start " + name() + " protocol on port " + port + ": " + e.getMessage(),
"Failed to start "
+ name()
+ " protocol on port "
+ port
+ ". Check if SSL context factory is "
+ "properly configured.");
} catch (IOException e) {
U.warn(
log,
"Failed to start " + name() + " protocol on port " + port + ": " + e.getMessage(),
"Failed to start "
+ name()
+ " protocol on port "
+ port
+ ". "
+ "Check restTcpHost configuration property.");
}
}