# TcpServer.java

    package tech.aroma.application.service.server;

    /*
     * Copyright 2015 Aroma Tech.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *      http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    import com.google.inject.AbstractModule;
    import com.google.inject.Guice;
    import com.google.inject.Injector;
    import com.google.inject.Provides;
    import com.google.inject.ProvisionException;
    import java.net.SocketException;
    import org.apache.thrift.TException;
    import org.apache.thrift.protocol.TBinaryProtocol;
    import org.apache.thrift.server.TThreadPoolServer;
    import org.apache.thrift.transport.TServerSocket;
    import org.apache.thrift.transport.TTransportException;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import tech.aroma.application.service.ModuleApplicationService;
    import tech.aroma.application.service.operations.ModuleApplicationServiceOperations;
    import tech.aroma.data.cassandra.ModuleCassandraDataRepositories;
    import tech.aroma.data.cassandra.ModuleCassandraDevCluster;
    import tech.aroma.thrift.application.service.ApplicationService;
    import tech.aroma.thrift.application.service.ApplicationServiceConstants;
    import tech.aroma.thrift.authentication.service.AuthenticationService;
    import tech.aroma.thrift.notification.service.NotificationService;
    import tech.aroma.thrift.services.Clients;
    import tech.aroma.thrift.services.NoOpNotificationService;
    import tech.sirwellington.alchemy.annotations.access.Internal;

    import static java.util.concurrent.TimeUnit.SECONDS;

    /**
     * This Main Class runs the Authentication Service on a Server Socket.
     *
     * @author SirWellington
     */
    @Internal
    public final class TcpServer
    {

        private final static Logger LOG = LoggerFactory.getLogger(TcpServer.class);
        private static final int PORT = ApplicationServiceConstants.SERVICE_PORT;

        public static void main(String[] args) throws TTransportException, SocketException
        {
            Injector injector = Guice.createInjector(new AromaServicesProvider(),
                                                     new ModuleApplicationServiceOperations(),
                                                     new ModuleApplicationService(),
                                                     new ModuleCassandraDataRepositories(),
                                                     new ModuleCassandraDevCluster());

            ApplicationService.Iface applicationService = injector.getInstance(ApplicationService.Iface.class);
            ApplicationService.Processor processor = new ApplicationService.Processor<>(applicationService);

            TServerSocket socket = new TServerSocket(PORT);
            socket.getServerSocket().setSoTimeout((int) SECONDS.toMillis(30));

            TThreadPoolServer.Args serverArgs = new TThreadPoolServer.Args(socket)
                .protocolFactory(new TBinaryProtocol.Factory())
                .processor(processor)
                .requestTimeout(60)
                .requestTimeoutUnit(SECONDS)
                .minWorkerThreads(5)
                .maxWorkerThreads(100);

            LOG.info("Starting Application Service at port {}", PORT);

            TThreadPoolServer server = new TThreadPoolServer(serverArgs);
            server.serve();
            server.stop();
        }

        private static class AromaServicesProvider extends AbstractModule
        {

            @Override
            protected void configure()
            {
            }

            @Provides
            AuthenticationService.Iface provideAuthenticationService()
            {
                try
                {
                    return Clients.newPerRequestAuthenticationServiceClient();
                }
                catch (TException ex)
                {
                    throw new ProvisionException("Could not create Aroma Service Client", ex);
                }
            }

            @Provides
            NotificationService.Iface provideNotificationService()
            {
                return new NoOpNotificationService();
            }

        }
    }