Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 129 insertions, 0 deletions

diff --git a/ui/mcast_stream.h b/ui/mcast_stream.h
new file mode 100644
index 00000000..fc5c5983
--- /dev/null
+++ b/ui/mcast_stream.h
@@ -0,0 +1,129 @@
+/** @file
+ *
+ * Copyright 2006, Iskratel , Slovenia
+ * By Jakob Bratkovic <j.bratkovic@iskratel.si> and
+ * Miha Jemec <m.jemec@iskratel.si>
+ *
+ * based on rtp_stream.h
+ * Copyright 2003, Alcatel Business Systems
+ * By Lars Ruoff <lars.ruoff@gmx.net>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __MCAST_STREAM_H__
+#define __MCAST_STREAM_H__
+
+#include <epan/tap.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define MAX_SPEED 200000
+
+/* typedefs for sliding window and buffer size */
+typedef struct buffer{
+    nstime_t *buff;            /* packet times */
+    gint32 first;              /* pointer to the first element */
+    gint32 last;               /* pointer to the last element */
+    gint32 burstsize;          /* current burst */
+    gint32 topburstsize;       /* maximum burst in the refresh interval*/
+    gint32 count;              /* packet counter */
+    gint32 burststatus;        /* burst status */
+    gint32 numbursts;          /* number of bursts */
+    gint32 buffusage;          /* buffer usage */
+    gint32 buffstatus;         /* buffer status */
+    gint32 numbuffalarms;      /* number of alarms triggered by buffer underruns */
+    gint32 topbuffusage;       /* top buffer usage in refresh interval */
+    double maxbw;              /* Maximum bandwidth usage. Bits/s */
+} t_buffer;
+
+
+/* defines an mcast stream */
+typedef struct _mcast_stream_info {
+    address src_addr;
+    guint16 src_port;
+    address dest_addr;
+    guint16 dest_port;
+    guint32 npackets;
+    double  apackets;
+    guint32 total_bytes;
+    double  average_bw;         /* Bits/s */
+
+    guint32 first_frame_num; /* frame number of first frame */
+    /* start of recording (GMT) of this stream */
+    nstime_t start_abs;        /* absolute stream start time */
+    nstime_t start_rel;        /* stream start time relative to first packet in capture */
+    nstime_t stop_rel;         /* stream stop time relative to first packet in capture */
+    guint16 vlan_id;
+
+    /*for the sliding window */
+    t_buffer element;
+
+} mcast_stream_info_t;
+
+typedef struct _mcaststream_tapinfo mcaststream_tapinfo_t;
+
+typedef void (*mcaststream_tap_reset_cb)(mcaststream_tapinfo_t *tapinfo);
+typedef void (*mcaststream_tap_draw_cb)(mcaststream_tapinfo_t *tapinfo);
+
+/* structure that holds the information about all detected streams */
+/* struct holding all information of the tap */
+struct _mcaststream_tapinfo {
+    gpointer user_data;     /* User data pointer */
+    mcaststream_tap_reset_cb tap_reset; /**< tap reset callback */
+    mcaststream_tap_draw_cb tap_draw;   /**< tap draw callback */
+    GList*  strinfo_list;   /* list of mcast_stream_info_t */
+    guint32 npackets;       /* total number of mcast packets of all streams */
+    mcast_stream_info_t* allstreams; /* structure holding information common for all streams */
+
+    gboolean is_registered; /* if the tap listener is currently registered or not */
+};
+
+
+extern gint32  mcast_stream_trigger;
+extern gint32  mcast_stream_bufferalarm;
+extern guint16 mcast_stream_burstint;
+extern gint32  mcast_stream_emptyspeed;
+extern gint32  mcast_stream_cumulemptyspeed;
+
+/****************************************************************************/
+/* INTERFACE */
+
+/*
+* Registers the mcast_streams tap listener (if not already done).
+* From that point on, the Mcast streams list will be updated with every redissection.
+* This function is also the entry point for the initialization routine of the tap system.
+* So whenever mcast_stream.c is added to the list of WIRESHARK_TAP_SRCs, the tap will be registered on startup.
+* If not, it will be registered on demand by the mcast_streams and mcast_analysis functions that need it.
+*/
+GString * register_tap_listener_mcast_stream(mcaststream_tapinfo_t *tapinfo);
+
+/*
+* Removes the mcast_streams tap listener (if not already done)
+* From that point on, the Mcast streams list won't be updated any more.
+*/
+void remove_tap_listener_mcast_stream(mcaststream_tapinfo_t *tapinfo);
+
+/*
+* Cleans up memory of mcast streams tap.
+*/
+void mcaststream_reset(mcaststream_tapinfo_t *tapinfo);
+
+/*
+* Tap callback (tap_packet_cb) for Mcast stream tap updates. Useful if for
+* some reason you can't register the default listener, but want to make use
+* of the existing Mcast calculations.
+*/
+tap_packet_status mcaststream_packet(void *tapdata, packet_info *pinfo, epan_dissect_t *edt, const void *data, tap_flags_t flags);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __MCAST_STREAM_H__ */