mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 10:31:05 +00:00
8a0309661a
Original commit message from CVS: * gst/tcp/gstmultifdsink.c: (gst_multifdsink_class_init), (gst_multifdsink_add), (gst_multifdsink_remove), (gst_multifdsink_clear), (gst_multifdsink_get_stats), (gst_multifdsink_client_remove), (gst_multifdsink_handle_client_write), (gst_multifdsink_queue_buffer), (gst_multifdsink_handle_clients): * gst/tcp/gstmultifdsink.h: Recover from a select with a bad file descriptor by removing the client.
172 lines
5 KiB
C
172 lines
5 KiB
C
/* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#ifndef __GST_MULTIFDSINK_H__
|
|
#define __GST_MULTIFDSINK_H__
|
|
|
|
|
|
#include <gst/gst.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <netinet/in.h>
|
|
#include <netdb.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/wait.h>
|
|
#include <fcntl.h>
|
|
#include <arpa/inet.h>
|
|
#include "gsttcp.h"
|
|
|
|
#define GST_TYPE_MULTIFDSINK \
|
|
(gst_multifdsink_get_type())
|
|
#define GST_MULTIFDSINK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTIFDSINK,GstMultiFdSink))
|
|
#define GST_MULTIFDSINK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTIFDSINK,GstMultiFdSink))
|
|
#define GST_IS_MULTIFDSINK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTIFDSINK))
|
|
#define GST_IS_MULTIFDSINK_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTIFDSINK))
|
|
#define GST_MULTIFDSINK_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_MULTIFDSINK, GstMultiFdSinkClass))
|
|
|
|
|
|
typedef struct _GstMultiFdSink GstMultiFdSink;
|
|
typedef struct _GstMultiFdSinkClass GstMultiFdSinkClass;
|
|
|
|
typedef enum {
|
|
GST_MULTIFDSINK_OPEN = GST_ELEMENT_FLAG_LAST,
|
|
|
|
GST_MULTIFDSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
|
|
} GstMultiFdSinkFlags;
|
|
|
|
typedef enum
|
|
{
|
|
GST_RECOVER_POLICY_NONE,
|
|
GST_RECOVER_POLICY_RESYNC_START,
|
|
GST_RECOVER_POLICY_RESYNC_SOFT,
|
|
GST_RECOVER_POLICY_RESYNC_KEYFRAME,
|
|
} GstRecoverPolicy;
|
|
|
|
/* structure for a client
|
|
* */
|
|
typedef struct {
|
|
int fd;
|
|
gint bufpos; /* position of this client in the global queue */
|
|
|
|
gboolean bad;
|
|
|
|
GList *sending; /* the buffers we need to send */
|
|
gint bufoffset; /* offset in the first buffer */
|
|
|
|
gboolean discont;
|
|
|
|
GstTCPProtocolType protocol;
|
|
|
|
gboolean caps_sent;
|
|
gboolean streamheader_sent;
|
|
|
|
/* stats */
|
|
guint64 bytes_sent;
|
|
guint64 connect_time;
|
|
guint64 disconnect_time;
|
|
guint64 last_activity_time;
|
|
guint64 dropped_buffers;
|
|
guint64 avg_queue_size;
|
|
|
|
} GstTCPClient;
|
|
|
|
struct _GstMultiFdSink {
|
|
GstElement element;
|
|
|
|
/* pad */
|
|
GstPad *sinkpad;
|
|
|
|
guint64 bytes_to_serve; /* how much bytes we must serve */
|
|
guint64 bytes_served; /* how much bytes have we served */
|
|
|
|
GMutex *clientslock; /* lock to protect the clients list */
|
|
GList *clients; /* list of clients we are serving */
|
|
|
|
fd_set readfds; /* all the client file descriptors that we can read from */
|
|
fd_set writefds; /* all the client file descriptors that we can write to */
|
|
|
|
int control_sock[2]; /* sockets for controlling the select call */
|
|
|
|
GList *streamheader; /* GList of GstBuffers to use as streamheader */
|
|
GstTCPProtocolType protocol;
|
|
guint mtu;
|
|
|
|
GArray *bufqueue; /* global queue of buffers */
|
|
|
|
gboolean running; /* the thread state */
|
|
GThread *thread; /* the sender thread */
|
|
|
|
gint buffers_max; /* max buffers to queue */
|
|
gint buffers_soft_max; /* max buffers a client can lag before recovery starts */
|
|
GstRecoverPolicy recover_policy;
|
|
GstClockTime timeout; /* max amount of nanoseconds to remain idle */
|
|
/* stats */
|
|
gint buffers_queued; /* number of queued buffers */
|
|
};
|
|
|
|
struct _GstMultiFdSinkClass {
|
|
GstElementClass parent_class;
|
|
|
|
/* element methods */
|
|
void (*add) (GstMultiFdSink *sink, int fd);
|
|
void (*remove) (GstMultiFdSink *sink, int fd);
|
|
void (*clear) (GstMultiFdSink *sink);
|
|
GValueArray* (*get_stats) (GstMultiFdSink *sink, int fd);
|
|
|
|
/* vtable */
|
|
gboolean (*init) (GstMultiFdSink *sink);
|
|
gboolean (*select) (GstMultiFdSink *sink, fd_set *readfds, fd_set *writefds);
|
|
gboolean (*close) (GstMultiFdSink *sink);
|
|
|
|
/* signals */
|
|
void (*client_added) (GstElement *element, gchar *host, gint fd);
|
|
void (*client_removed) (GstElement *element, gchar *host, gint fd);
|
|
};
|
|
|
|
GType gst_multifdsink_get_type (void);
|
|
|
|
void gst_multifdsink_add (GstMultiFdSink *sink, int fd);
|
|
void gst_multifdsink_remove (GstMultiFdSink *sink, int fd);
|
|
void gst_multifdsink_clear (GstMultiFdSink *sink);
|
|
GValueArray* gst_multifdsink_get_stats (GstMultiFdSink *sink, int fd);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __GST_MULTIFDSINK_H__ */
|