/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.
 */

#include <thrift/c_glib/thrift.h>
#include "thrift_server.h"

/* object properties */
enum _ThriftServerProperties
{
  PROP_0,
  PROP_THRIFT_SERVER_PROCESSOR,
  PROP_THRIFT_SERVER_SERVER_TRANSPORT,
  PROP_THRIFT_SERVER_INPUT_TRANSPORT_FACTORY,
  PROP_THRIFT_SERVER_OUTPUT_TRANSPORT_FACTORY,
  PROP_THRIFT_SERVER_INPUT_PROTOCOL_FACTORY,
  PROP_THRIFT_SERVER_OUTPUT_PROTOCOL_FACTORY
};

G_DEFINE_ABSTRACT_TYPE(ThriftServer, thrift_server, G_TYPE_OBJECT)

void
thrift_server_get_property (GObject *object, guint property_id,
                            GValue *value, GParamSpec *pspec)
{
  ThriftServer *server = THRIFT_SERVER (object);

  THRIFT_UNUSED_VAR (pspec);

  switch (property_id)
  {
    case PROP_THRIFT_SERVER_PROCESSOR:
      g_value_set_object (value, server->processor);
      break;
    case PROP_THRIFT_SERVER_SERVER_TRANSPORT:
      g_value_set_object (value, server->server_transport);
      break;
    case PROP_THRIFT_SERVER_INPUT_TRANSPORT_FACTORY:
      g_value_set_object (value, server->input_transport_factory);
      break;
    case PROP_THRIFT_SERVER_OUTPUT_TRANSPORT_FACTORY:
      g_value_set_object (value, server->output_transport_factory);
      break;
    case PROP_THRIFT_SERVER_INPUT_PROTOCOL_FACTORY:
      g_value_set_object (value, server->input_protocol_factory);
      break;
    case PROP_THRIFT_SERVER_OUTPUT_PROTOCOL_FACTORY:
      g_value_set_object (value, server->output_protocol_factory);
      break;
  }
}

void
thrift_server_set_property (GObject *object, guint property_id,
                            const GValue *value, GParamSpec *pspec)
{
  ThriftServer *server = THRIFT_SERVER (object);

  THRIFT_UNUSED_VAR (pspec);

  switch (property_id)
  {
    case PROP_THRIFT_SERVER_PROCESSOR:
      server->processor = g_value_dup_object (value);
      break;
    case PROP_THRIFT_SERVER_SERVER_TRANSPORT:
      server->server_transport = g_value_dup_object (value);
      break;
    case PROP_THRIFT_SERVER_INPUT_TRANSPORT_FACTORY:
      server->input_transport_factory = g_value_dup_object (value);
      break;
    case PROP_THRIFT_SERVER_OUTPUT_TRANSPORT_FACTORY:
      server->output_transport_factory = g_value_dup_object (value);
      break;
    case PROP_THRIFT_SERVER_INPUT_PROTOCOL_FACTORY:
      server->input_protocol_factory = g_value_dup_object (value);
      break;
    case PROP_THRIFT_SERVER_OUTPUT_PROTOCOL_FACTORY:
      server->output_protocol_factory = g_value_dup_object (value);
      break;
  }
}

gboolean
thrift_server_serve (ThriftServer *server, GError **error)
{
  return THRIFT_SERVER_GET_CLASS (server)->serve (server, error);
}

void
thrift_server_stop (ThriftServer *server)
{
  THRIFT_SERVER_GET_CLASS (server)->stop (server);
}

/* instance initializer for Thrift Server */
static void
thrift_server_init (ThriftServer *server)
{
  server->processor = NULL;
  server->server_transport = NULL;
  server->input_transport_factory = NULL;
  server->output_transport_factory = NULL;
  server->input_protocol_factory = NULL;
  server->output_protocol_factory = NULL;
}

static void
thrift_server_dispose (GObject *gobject)
{
  ThriftServer *self = THRIFT_SERVER (gobject);

  g_clear_object(&self->output_protocol_factory);
  g_clear_object(&self->input_protocol_factory);
  g_clear_object(&self->output_transport_factory);
  g_clear_object(&self->input_transport_factory);
  g_clear_object(&self->server_transport);
  g_clear_object(&self->processor);

  /* Always chain up to the parent class; there is no need to check if
   * the parent class implements the dispose() virtual function: it is
   * always guaranteed to do so
   */
  G_OBJECT_CLASS (thrift_server_parent_class)->dispose(gobject);
}

/*
 * class initializer for ThriftServer
 * TODO: implement ServerEventHandler as a GClosure
 */
static void
thrift_server_class_init (ThriftServerClass *cls)
{
  GObjectClass *gobject_class = G_OBJECT_CLASS (cls);

  gobject_class->get_property = thrift_server_get_property;
  gobject_class->set_property = thrift_server_set_property;
  gobject_class->dispose = thrift_server_dispose;

  g_object_class_install_property (gobject_class,
      PROP_THRIFT_SERVER_PROCESSOR,
      g_param_spec_object ("processor", "Processor", "Thrift Processor",
                           THRIFT_TYPE_PROCESSOR,
                           G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
  g_object_class_install_property (gobject_class,
      PROP_THRIFT_SERVER_SERVER_TRANSPORT,
      g_param_spec_object ("server_transport", "Server Transport",
                           "Thrift Server Transport",
                           THRIFT_TYPE_SERVER_TRANSPORT,
                           G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
  g_object_class_install_property (gobject_class,
      PROP_THRIFT_SERVER_INPUT_TRANSPORT_FACTORY,
      g_param_spec_object ("input_transport_factory", "Input Transport Factory",
                           "Thrift Server Input Transport Factory",
                           THRIFT_TYPE_TRANSPORT_FACTORY,
                           G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
  g_object_class_install_property (gobject_class,
      PROP_THRIFT_SERVER_OUTPUT_TRANSPORT_FACTORY,
      g_param_spec_object ("output_transport_factory",
                           "Output Transport Factory",
                           "Thrift Server Output Transport Factory",
                           THRIFT_TYPE_TRANSPORT_FACTORY,
                           G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
  g_object_class_install_property (gobject_class,
      PROP_THRIFT_SERVER_INPUT_PROTOCOL_FACTORY,
      g_param_spec_object ("input_protocol_factory", "Input Protocol Factory",
                           "Thrift Server Input Protocol Factory",
                           THRIFT_TYPE_PROTOCOL_FACTORY,
                           G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
  g_object_class_install_property (gobject_class,
      PROP_THRIFT_SERVER_OUTPUT_PROTOCOL_FACTORY,
      g_param_spec_object ("output_protocol_factory", "Output Protocol Factory",
                           "Thrift Server Output Protocol Factory",
                           THRIFT_TYPE_PROTOCOL_FACTORY,
                           G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));

  /* set these as virtual methods to be implemented by a subclass */
  cls->serve = thrift_server_serve;
  cls->stop = thrift_server_stop;
}
