/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * Copyright (C) 2008 Imendio AB
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <config.h>

#include "lm-marshal.h"
#include "lm-socket.h"

static void    socket_base_init (LmSocketIface *iface);

enum {
    READABLE,
    WRITABLE,
    DISCONNECTED,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

GType
lm_socket_get_type (void)
{
    static GType iface_type = 0;

    if (!iface_type) {
        static const GTypeInfo iface_info = {
            sizeof (LmSocketIface),
            (GBaseInitFunc)     socket_base_init,
            (GBaseFinalizeFunc) NULL,
        };

        iface_type = g_type_register_static (G_TYPE_INTERFACE,
                                             "LmSocketIface",
                                             &iface_info,
                                             0);

        g_type_interface_add_prerequisite (iface_type, G_TYPE_OBJECT);
    }

    return iface_type;
}

static void
socket_base_init (LmSocketIface *iface)
{
    static gboolean initialized = FALSE;

    if (!initialized) {
        signals[READABLE] =
            g_signal_new ("readable",
                          LM_TYPE_SOCKET,
                          G_SIGNAL_RUN_LAST,
                          0,
                          NULL, NULL,
                          _lm_marshal_VOID__VOID,
                          G_TYPE_NONE,
                          0);
        signals[WRITABLE] = 
            g_signal_new ("writable",
                          LM_TYPE_SOCKET,
                          G_SIGNAL_RUN_LAST,
                          0,
                          NULL, NULL,
                          _lm_marshal_VOID__VOID,
                          G_TYPE_NONE,
                          0);
        signals[DISCONNECTED] =
            g_signal_new ("disconnected",
                          LM_TYPE_SOCKET,
                          G_SIGNAL_RUN_LAST,
                          0,
                          NULL, NULL,
                          _lm_marshal_VOID__VOID,
                          G_TYPE_NONE,
                          0);
        initialized = TRUE;
    }
}

LmSocket *
lm_socket_new (const gchar *host, guint port)
{
    g_return_val_if_fail (host != NULL, NULL);

    return NULL;
}

/* Use DNS lookup to find the port and the host */
LmSocket *
lm_socket_new_to_service (const gchar *service)
{
    g_return_val_if_fail (service != NULL, NULL);

    return NULL;
}

void 
lm_socket_connect (LmSocket *socket)
{
    g_return_if_fail (LM_IS_SOCKET (socket));


    /* Initiate the connection process                 */
    /* DNS lookup, connect thing, create IOchannel etc */
    if (!LM_SOCKET_GET_IFACE(socket)->write) {
        g_assert_not_reached ();
    }

    LM_SOCKET_GET_IFACE(socket)->connect (socket);
}

gboolean
lm_socket_write (LmSocket *socket, gchar *buf, gsize len)
{
    g_return_val_if_fail (LM_IS_SOCKET (socket), FALSE);
    g_return_val_if_fail (buf != NULL, FALSE);

    if (!LM_SOCKET_GET_IFACE(socket)->write) {
        g_assert_not_reached ();
    }

    return LM_SOCKET_GET_IFACE(socket)->write (socket, buf, len);
}

gboolean
lm_socket_read (LmSocket *socket,
                gchar    *buf,
                gsize     buf_len,
                gsize    *read_len)
{
    g_return_val_if_fail (LM_IS_SOCKET (socket), FALSE);
    g_return_val_if_fail (buf != NULL, FALSE);

    if (!LM_SOCKET_GET_IFACE(socket)->read) {
        g_assert_not_reached ();
    }

    return LM_SOCKET_GET_IFACE(socket)->read (socket, buf, buf_len, read_len);
}

void 
lm_socket_disconnect (LmSocket *socket)
{
    g_return_if_fail (LM_IS_SOCKET (socket));

    if (!LM_SOCKET_GET_IFACE(socket)->disconnect) {
        g_assert_not_reached ();
    }

    LM_SOCKET_GET_IFACE(socket)->disconnect (socket);
}