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/*
* gibber-r-multicast-sender.h - Header for GibberRMulticastSender
* Copyright (C) 2006 Collabora Ltd.
* @author Sjoerd Simons <sjoerd@luon.net>
*
* This library 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 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
#ifndef __GIBBER_R_MULTICAST_SENDER_H__
#define __GIBBER_R_MULTICAST_SENDER_H__
#include <glib-object.h>
#include "gibber-r-multicast-packet.h"
G_BEGIN_DECLS
typedef struct _GibberRMulticastSenderGroup GibberRMulticastSenderGroup;
struct _GibberRMulticastSenderGroup {
/* <public>
* GUINT_TO_POINTER (sender_id) => owned GibberRMulticastSender */
GHashTable *senders;
/* <private> */
gboolean popping;
gboolean stopped;
/* queue of GibberRMulticast GibberRMulticastSender */
GQueue *pop_queue;
/* GArray of pending removal GibberRMulticastSenders */
GPtrArray *pending_removal;
};
typedef struct _GibberRMulticastSender GibberRMulticastSender;
typedef struct _GibberRMulticastSenderClass GibberRMulticastSenderClass;
struct _GibberRMulticastSenderClass {
GObjectClass parent_class;
};
typedef enum {
/* We have no info about this sender whatsoever */
GIBBER_R_MULTICAST_SENDER_STATE_NEW = 0,
/* We know the sequence number we have to start from, but haven't send out
* any data yet */
GIBBER_R_MULTICAST_SENDER_STATE_PREPARING,
/* Non-data Packets are flowing */
GIBBER_R_MULTICAST_SENDER_STATE_RUNNING,
/* Data is flowing */
GIBBER_R_MULTICAST_SENDER_STATE_DATA_RUNNING,
/* Node has failed, still pop packets but stop depending on it */
GIBBER_R_MULTICAST_SENDER_STATE_FAILED,
GIBBER_R_MULTICAST_SENDER_STATE_UNKNOWN_FAILED,
GIBBER_R_MULTICAST_SENDER_STATE_STOPPED,
/* Will be removed as soon as all dependencies are resolved */
GIBBER_R_MULTICAST_SENDER_STATE_PENDING_REMOVAL,
} GibberRMulticastSenderState;
struct _GibberRMulticastSender {
GObject parent;
gchar *name;
guint32 id;
GibberRMulticastSenderState state;
/* Next packet we want to send out */
guint32 next_output_packet;
/* Next data packet we want to send out. Can be different from
* next_output_packet iff holding back data or a fragmented data message is
* interleaved with control messages.. Guaranteed to be <=
* next_output_packet */
guint32 next_output_data_packet;
/* Next packet we expect from the sender */
guint32 next_input_packet;
};
GType gibber_r_multicast_sender_get_type (void);
/* TYPE MACROS */
#define GIBBER_TYPE_R_MULTICAST_SENDER \
(gibber_r_multicast_sender_get_type ())
#define GIBBER_R_MULTICAST_SENDER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GIBBER_TYPE_R_MULTICAST_SENDER, \
GibberRMulticastSender))
#define GIBBER_R_MULTICAST_SENDER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GIBBER_TYPE_R_MULTICAST_SENDER, \
GibberRMulticastSenderClass))
#define GIBBER_IS_R_MULTICAST_SENDER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GIBBER_TYPE_R_MULTICAST_SENDER))
#define GIBBER_IS_R_MULTICAST_SENDER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GIBBER_TYPE_R_MULTICAST_SENDER))
#define GIBBER_R_MULTICAST_SENDER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GIBBER_TYPE_R_MULTICAST_SENDER, \
GibberRMulticastSenderClass))
GibberRMulticastSenderGroup *gibber_r_multicast_sender_group_new (void);
void gibber_r_multicast_sender_group_free (GibberRMulticastSenderGroup *group);
void gibber_r_multicast_sender_group_stop (GibberRMulticastSenderGroup *group);
void gibber_r_multicast_sender_group_add (GibberRMulticastSenderGroup *group,
GibberRMulticastSender *sender);
GibberRMulticastSender * gibber_r_multicast_sender_group_lookup (
GibberRMulticastSenderGroup *group, guint32 sender_id);
GibberRMulticastSender * gibber_r_multicast_sender_group_lookup_by_name (
GibberRMulticastSenderGroup *group, const gchar *name);
void gibber_r_multicast_sender_group_remove (
GibberRMulticastSenderGroup *group, guint32 sender_id);
gboolean gibber_r_multicast_sender_group_push_packet (
GibberRMulticastSenderGroup *group, GibberRMulticastPacket *packet);
GibberRMulticastSender *gibber_r_multicast_sender_new (guint32 id,
const gchar *name, GibberRMulticastSenderGroup *group);
/* Sequence for this sender starts at packet_id */
void gibber_r_multicast_sender_update_start (GibberRMulticastSender *sender,
guint32 packet_id);
void gibber_r_multicast_sender_update_end (GibberRMulticastSender *sender,
guint32 packet_id);
void gibber_r_multicast_sender_set_failed (GibberRMulticastSender *sender);
void gibber_r_multicast_sender_set_data_start (GibberRMulticastSender *sender,
guint32 packet_id);
/* Tell the sender to not signal data starting from this packet */
void gibber_r_multicast_sender_hold_data (GibberRMulticastSender *sender,
guint32 packet_id);
/* Stop holding back data of the sender */
void gibber_r_multicast_sender_release_data (GibberRMulticastSender *sender);
void gibber_r_multicast_sender_push (GibberRMulticastSender *sender,
GibberRMulticastPacket *packet);
void
gibber_r_multicast_senders_updated (GibberRMulticastSender *sender);
/* Returns TRUE if we were up to dated */
gboolean gibber_r_multicast_sender_seen (GibberRMulticastSender *sender,
guint32 id);
gboolean gibber_r_multicast_sender_repair_request (
GibberRMulticastSender *sender, guint32 id);
void gibber_r_multicast_sender_whois_push (GibberRMulticastSender *sender,
const GibberRMulticastPacket *packet);
void gibber_r_multicast_sender_set_packet_repeat (
GibberRMulticastSender *sender, guint32 packet_id, gboolean repeat);
/* Returns the amount of unpopped or unacked packets */
guint gibber_r_multicast_sender_packet_cache_size (
GibberRMulticastSender *sender);
/* Ack management */
void gibber_r_multicast_sender_ack (GibberRMulticastSender *sender,
guint32 ack);
/* Stop all pending requests, only reply to repair requests */
void gibber_r_multicast_sender_stop (GibberRMulticastSender *sender);
/* Trigger failure detection, for testing only */
void _gibber_r_multicast_TEST_sender_fail (GibberRMulticastSender *sender);
G_END_DECLS
#endif /* #ifndef __GIBBER_R_MULTICAST_SENDER_H__*/
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