/* GStreamer

 * Copyright (C) <2005,2009> Wim Taymans <wim.taymans@gmail.com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

/*

 * Unless otherwise indicated, Source Code is licensed under MIT license.

 * See further explanation attached in License Statement (distributed in the file

 * LICENSE).

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy of

 * this software and associated documentation files (the "Software"), to deal in

 * the Software without restriction, including without limitation the rights to

 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies

 * of the Software, and to permit persons to whom the Software is furnished to do

 * so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in all

 * copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

 * SOFTWARE.

 */

#ifndef __GST_RTSP_CONNECTION_H__

#define __GST_RTSP_CONNECTION_H__

#include <glib.h>

#include <gst/gstconfig.h>

#include <gst/rtsp/gstrtspdefs.h>

#include <gst/rtsp/gstrtspurl.h>

#include <gst/rtsp/gstrtspmessage.h>

#include <gio/gio.h>

G_BEGIN_DECLS

/**

 * GstRTSPConnection:

 *

 * Opaque RTSP connection object.

 */

typedef struct _GstRTSPConnection GstRTSPConnection;

/* opening/closing a connection */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_create         (const GstRTSPUrl *url, GstRTSPConnection **conn);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_create_from_socket (GSocket * socket,

                                                       const gchar * ip,

                                                       guint16 port,

                                                       const gchar * initial_buffer,

                                                       GstRTSPConnection ** conn);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_accept                 (GSocket * socket, GstRTSPConnection ** conn, GCancellable * cancellable);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_connect                (GstRTSPConnection * conn, GTimeVal * timeout);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_connect_with_response  (GstRTSPConnection * conn, GTimeVal * timeout, GstRTSPMessage * response);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_close                  (GstRTSPConnection *conn);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_free                   (GstRTSPConnection *conn);

/* TLS connections */

GST_RTSP_API

GTlsConnection *     gst_rtsp_connection_get_tls                  (GstRTSPConnection * conn, GError ** error);

GST_RTSP_API

gboolean             gst_rtsp_connection_set_tls_validation_flags (GstRTSPConnection * conn, GTlsCertificateFlags flags);

GST_RTSP_API

GTlsCertificateFlags gst_rtsp_connection_get_tls_validation_flags (GstRTSPConnection * conn);

GST_RTSP_API

void                 gst_rtsp_connection_set_tls_database (GstRTSPConnection * conn, GTlsDatabase * database);

GST_RTSP_API

GTlsDatabase *       gst_rtsp_connection_get_tls_database (GstRTSPConnection * conn);

GST_RTSP_API

void                 gst_rtsp_connection_set_tls_interaction (GstRTSPConnection * conn, GTlsInteraction * interaction);

GST_RTSP_API

GTlsInteraction *    gst_rtsp_connection_get_tls_interaction (GstRTSPConnection * conn);

typedef gboolean (*GstRTSPConnectionAcceptCertificateFunc) (GTlsConnection *conn,

                                                            GTlsCertificate *peer_cert,

                                                            GTlsCertificateFlags errors,

                                                            gpointer user_data);

GST_RTSP_API

void                 gst_rtsp_connection_set_accept_certificate_func (GstRTSPConnection * conn,

                                                                      GstRTSPConnectionAcceptCertificateFunc func,

                                                                      gpointer user_data,

                                                                      GDestroyNotify destroy_notify);

/* sending/receiving raw bytes */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_read           (GstRTSPConnection * conn, guint8 * data,

                                                       guint size, GTimeVal * timeout);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_write          (GstRTSPConnection * conn, const guint8 * data,

                                                       guint size, GTimeVal * timeout);

/* sending/receiving messages */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_send           (GstRTSPConnection *conn, GstRTSPMessage *message,

                                                       GTimeVal *timeout);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_receive        (GstRTSPConnection *conn, GstRTSPMessage *message,

                                                       GTimeVal *timeout);

/* status management */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_poll           (GstRTSPConnection *conn, GstRTSPEvent events,

                                                       GstRTSPEvent *revents, GTimeVal *timeout);

/* reset the timeout */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_next_timeout   (GstRTSPConnection *conn, GTimeVal *timeout);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_reset_timeout  (GstRTSPConnection *conn);

/* flushing state */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_flush          (GstRTSPConnection *conn, gboolean flush);

/* HTTP proxy support */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_set_proxy      (GstRTSPConnection *conn,

                                                       const gchar *host, guint port);

/* configure authentication data */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_set_auth       (GstRTSPConnection *conn, GstRTSPAuthMethod method,

                                                       const gchar *user, const gchar *pass);

GST_RTSP_API

void               gst_rtsp_connection_set_auth_param    (GstRTSPConnection *conn,

                                                          const gchar * param,

                                                          const gchar *value);

GST_RTSP_API

void               gst_rtsp_connection_clear_auth_params (GstRTSPConnection *conn);

/* configure DSCP */

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_set_qos_dscp   (GstRTSPConnection *conn,

                                                       guint qos_dscp);

/* accessors */

GST_RTSP_API

GstRTSPUrl *       gst_rtsp_connection_get_url        (const GstRTSPConnection *conn);

GST_RTSP_API

const gchar *      gst_rtsp_connection_get_ip         (const GstRTSPConnection *conn);

GST_RTSP_API

void               gst_rtsp_connection_set_ip         (GstRTSPConnection *conn, const gchar *ip);

GST_RTSP_API

GSocket *          gst_rtsp_connection_get_read_socket  (const GstRTSPConnection *conn);

GST_RTSP_API

GSocket *          gst_rtsp_connection_get_write_socket (const GstRTSPConnection *conn);

GST_RTSP_API

void               gst_rtsp_connection_set_http_mode  (GstRTSPConnection *conn,

                                                       gboolean enable);

/* tunneling */

GST_RTSP_API

void               gst_rtsp_connection_set_tunneled   (GstRTSPConnection *conn, gboolean tunneled);

GST_RTSP_API

gboolean           gst_rtsp_connection_is_tunneled    (const GstRTSPConnection *conn);

GST_RTSP_API

const gchar *      gst_rtsp_connection_get_tunnelid   (const GstRTSPConnection *conn);

GST_RTSP_API

GstRTSPResult      gst_rtsp_connection_do_tunnel      (GstRTSPConnection *conn, GstRTSPConnection *conn2);

GST_RTSP_API

void               gst_rtsp_connection_set_remember_session_id (GstRTSPConnection *conn, gboolean remember);

GST_RTSP_API

gboolean           gst_rtsp_connection_get_remember_session_id (GstRTSPConnection *conn);

/* async IO */

/**

 * GstRTSPWatch:

 *

 * Opaque RTSP watch object that can be used for asynchronous RTSP

 * operations.

 */

typedef struct _GstRTSPWatch GstRTSPWatch;

/**

 * GstRTSPWatchFuncs:

 * @message_received: callback when a message was received

 * @message_sent: callback when a message was sent

 * @closed: callback when the connection is closed

 * @error: callback when an error occured

 * @tunnel_start: a client started a tunneled connection. The tunnelid of the

 *   connection must be saved.

 * @tunnel_complete: a client finished a tunneled connection. In this callback

 *   you usually pair the tunnelid of this connection with the saved one using

 *   gst_rtsp_connection_do_tunnel().

 * @error_full: callback when an error occured with more information than

 *   the @error callback.

 * @tunnel_lost: callback when the post connection of a tunnel is closed.

 * @tunnel_http_response: callback when an HTTP response to the GET request

 *   is about to be sent for a tunneled connection. The response can be

 *   modified in the callback. Since 1.4.

 *

 * Callback functions from a #GstRTSPWatch.

 */

typedef struct {

  GstRTSPResult     (*message_received) (GstRTSPWatch *watch, GstRTSPMessage *message,

                                         gpointer user_data);

  GstRTSPResult     (*message_sent)     (GstRTSPWatch *watch, guint id,

                                         gpointer user_data);

  GstRTSPResult     (*closed)           (GstRTSPWatch *watch, gpointer user_data);

  GstRTSPResult     (*error)            (GstRTSPWatch *watch, GstRTSPResult result,

                                         gpointer user_data);

  GstRTSPStatusCode (*tunnel_start)     (GstRTSPWatch *watch, gpointer user_data);

  GstRTSPResult     (*tunnel_complete)  (GstRTSPWatch *watch, gpointer user_data);

  GstRTSPResult     (*error_full)       (GstRTSPWatch *watch, GstRTSPResult result,

                                         GstRTSPMessage *message, guint id,

                                         gpointer user_data);

  GstRTSPResult     (*tunnel_lost)      (GstRTSPWatch *watch, gpointer user_data);

  GstRTSPResult     (*tunnel_http_response) (GstRTSPWatch *watch,

                                             GstRTSPMessage *request,

                                             GstRTSPMessage *response,

                                             gpointer user_data);

  /*< private >*/

  gpointer _gst_reserved[GST_PADDING-1];

} GstRTSPWatchFuncs;

GST_RTSP_API

GstRTSPWatch *     gst_rtsp_watch_new                (GstRTSPConnection *conn,

                                                      GstRTSPWatchFuncs *funcs,

                                                      gpointer user_data,

                                                      GDestroyNotify notify);

GST_RTSP_API

void               gst_rtsp_watch_reset              (GstRTSPWatch *watch);

GST_RTSP_API

void               gst_rtsp_watch_unref              (GstRTSPWatch *watch);

GST_RTSP_API

guint              gst_rtsp_watch_attach             (GstRTSPWatch *watch,

                                                      GMainContext *context);

GST_RTSP_API

void               gst_rtsp_watch_set_send_backlog  (GstRTSPWatch *watch,

                                                     gsize bytes, guint messages);

GST_RTSP_API

void               gst_rtsp_watch_get_send_backlog  (GstRTSPWatch *watch,

                                                     gsize *bytes, guint *messages);

GST_RTSP_API

GstRTSPResult      gst_rtsp_watch_write_data         (GstRTSPWatch *watch,

                                                      const guint8 *data,

                                                      guint size, guint *id);

GST_RTSP_API

GstRTSPResult      gst_rtsp_watch_send_message       (GstRTSPWatch *watch,

                                                      GstRTSPMessage *message,

                                                      guint *id);

GST_RTSP_API

GstRTSPResult      gst_rtsp_watch_wait_backlog       (GstRTSPWatch * watch,

                                                      GTimeVal *timeout);

GST_RTSP_API

void               gst_rtsp_watch_set_flushing       (GstRTSPWatch * watch,

                                                      gboolean flushing);

G_END_DECLS

#endif /* __GST_RTSP_CONNECTION_H__ */