private void acceptConnection(SocketChannel clientChannel) throws DirectoryException {
try {
clientChannel.socket().setKeepAlive(currentConfig.isUseTCPKeepAlive());
clientChannel.socket().setTcpNoDelay(currentConfig.isUseTCPNoDelay());
} catch (SocketException se) {
// TCP error occurred because connection reset/closed? In any case,
// just close it and ignore.
// See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6378870
close(clientChannel);
}
// Check to see if the core server rejected the
// connection (e.g., already too many connections
// established).
LDAPClientConnection clientConnection =
new LDAPClientConnection(this, clientChannel, getProtocol());
if (clientConnection.getConnectionID() < 0) {
clientConnection.disconnect(
DisconnectReason.ADMIN_LIMIT_EXCEEDED, true, ERR_CONNHANDLER_REJECTED_BY_SERVER.get());
return;
}
InetAddress clientAddr = clientConnection.getRemoteAddress();
// Check to see if the client is on the denied list.
// If so, then reject it immediately.
if (!deniedClients.isEmpty() && AddressMask.matchesAny(deniedClients, clientAddr)) {
clientConnection.disconnect(
DisconnectReason.CONNECTION_REJECTED,
currentConfig.isSendRejectionNotice(),
ERR_CONNHANDLER_DENIED_CLIENT.get(
clientConnection.getClientHostPort(), clientConnection.getServerHostPort()));
return;
}
// Check to see if there is an allowed list and if
// there is whether the client is on that list. If
// not, then reject the connection.
if (!allowedClients.isEmpty() && !AddressMask.matchesAny(allowedClients, clientAddr)) {
clientConnection.disconnect(
DisconnectReason.CONNECTION_REJECTED,
currentConfig.isSendRejectionNotice(),
ERR_CONNHANDLER_DISALLOWED_CLIENT.get(
clientConnection.getClientHostPort(), clientConnection.getServerHostPort()));
return;
}
// If we've gotten here, then we'll take the
// connection so invoke the post-connect plugins and
// register the client connection with a request
// handler.
try {
PluginConfigManager pluginManager = DirectoryServer.getPluginConfigManager();
PluginResult.PostConnect pluginResult =
pluginManager.invokePostConnectPlugins(clientConnection);
if (!pluginResult.continueProcessing()) {
clientConnection.disconnect(
pluginResult.getDisconnectReason(),
pluginResult.sendDisconnectNotification(),
pluginResult.getErrorMessage());
return;
}
LDAPRequestHandler requestHandler = requestHandlers[requestHandlerIndex++];
if (requestHandlerIndex >= numRequestHandlers) {
requestHandlerIndex = 0;
}
requestHandler.registerClient(clientConnection);
} catch (Exception e) {
logger.traceException(e);
LocalizableMessage message =
INFO_CONNHANDLER_UNABLE_TO_REGISTER_CLIENT.get(
clientConnection.getClientHostPort(),
clientConnection.getServerHostPort(),
getExceptionMessage(e));
logger.debug(message);
clientConnection.disconnect(
DisconnectReason.SERVER_ERROR, currentConfig.isSendRejectionNotice(), message);
}
}
