Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 179 insertions, 0 deletions

diff --git a/ui/tap-rtp-common.h b/ui/tap-rtp-common.h
new file mode 100644
index 00000000..65c9d38e
--- /dev/null
+++ b/ui/tap-rtp-common.h
@@ -0,0 +1,179 @@
+/** @file
+ *
+ * RTP streams handler functions used by tshark and wireshark
+ *
+ * Copyright 2008, Ericsson AB
+ * By Balint Reczey <balint.reczey@ericsson.com>
+ *
+ * most functions are copied from ui/gtk/rtp_stream.c and ui/gtk/rtp_analisys.c
+ * 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 __TAP_RTP_COMMON_H__
+#define __TAP_RTP_COMMON_H__
+
+#include "ui/rtp_stream.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* type of error when saving voice in a file didn't succeed */
+typedef enum {
+    TAP_RTP_NO_ERROR,
+    TAP_RTP_WRONG_CODEC,
+    TAP_RTP_WRONG_LENGTH,
+    TAP_RTP_PADDING_ERROR,
+    TAP_RTP_SHORT_FRAME,
+    TAP_RTP_FILE_OPEN_ERROR,
+    TAP_RTP_FILE_WRITE_ERROR,
+    TAP_RTP_NO_DATA
+} tap_rtp_error_type_t;
+
+typedef struct _tap_rtp_save_info_t {
+    FILE *fp;
+    guint32 count;
+    tap_rtp_error_type_t error_type;
+    gboolean saved;
+} tap_rtp_save_info_t;
+
+typedef struct _rtpstream_info_calc {
+    gchar *src_addr_str;
+    guint16 src_port;
+    gchar *dst_addr_str;
+    guint16 dst_port;
+    guint32 ssrc;
+    gchar *all_payload_type_names; /* Name of codec derived from fixed or dynamic codec names */
+    guint32 packet_count;
+    guint32 total_nr;
+    guint32 packet_expected; /* Count of expected packets, derived from length of RTP stream */
+    gint32 lost_num;
+    double lost_perc;
+    double max_delta;
+    double min_delta;
+    double mean_delta;
+    double min_jitter;
+    double max_jitter;
+    double max_skew;
+    double mean_jitter;
+    gboolean problem; /* Indication that RTP stream contains something unusual -GUI should indicate it somehow */
+    double clock_drift_ms;
+    double freq_drift_hz;
+    double freq_drift_perc;
+    double duration_ms;
+    guint32 sequence_err;
+    double start_time_ms; /**< Unit is ms */
+    guint32 first_packet_num;
+    guint32 last_packet_num;
+} rtpstream_info_calc_t;
+
+/**
+ * Functions for init and destroy of rtpstream_info_t and attached structures
+ */
+void rtpstream_info_init(rtpstream_info_t* info);
+rtpstream_info_t *rtpstream_info_malloc_and_init(void);
+void rtpstream_info_copy_deep(rtpstream_info_t *dest, const rtpstream_info_t *src);
+rtpstream_info_t *rtpstream_info_malloc_and_copy_deep(const rtpstream_info_t *src);
+void rtpstream_info_free_data(rtpstream_info_t* info);
+void rtpstream_info_free_all(rtpstream_info_t* info);
+
+/**
+ * Compares two RTP stream infos (GCompareFunc style comparison function)
+ *
+ * @return -1,0,1
+ */
+gint rtpstream_info_cmp(gconstpointer aa, gconstpointer bb);
+
+/**
+* Compares the endpoints of two RTP streams.
+*
+* @return TRUE if the
+*/
+gboolean rtpstream_info_is_reverse(const rtpstream_info_t *stream_a, rtpstream_info_t *stream_b);
+
+/**
+ * Checks if payload_type is used in rtpstream.
+ *
+ * @returns TRUE if is used
+ */
+gboolean rtpstream_is_payload_used(const rtpstream_info_t *stream_info, const guint8 payload_type);
+
+/****************************************************************************/
+/* INTERFACE */
+
+/**
+* Registers the rtp_streams tap listener (if not already done).
+* From that point on, the RTP 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 rtp_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 rtp_streams and rtp_analysis functions that need it.
+*/
+void register_tap_listener_rtpstream(rtpstream_tapinfo_t *tapinfo, const char *fstring, rtpstream_tap_error_cb tap_error);
+
+/**
+* Removes the rtp_streams tap listener (if not already done)
+* From that point on, the RTP streams list won't be updated any more.
+*/
+void remove_tap_listener_rtpstream(rtpstream_tapinfo_t *tapinfo);
+
+/**
+* Cleans up memory of rtp streams tap.
+*/
+void rtpstream_reset(rtpstream_tapinfo_t *tapinfo);
+
+void rtpstream_reset_cb(void*);
+void rtp_write_header(rtpstream_info_t*, FILE*);
+tap_packet_status rtpstream_packet_cb(void*, packet_info*, epan_dissect_t *, const void *, tap_flags_t);
+
+/**
+ * Evaluate rtpstream_info_t calculations
+ */
+void rtpstream_info_calculate(const rtpstream_info_t *strinfo, rtpstream_info_calc_t *calc);
+
+/**
+ * Free rtpstream_info_calc_t structure (internal items)
+ */
+void rtpstream_info_calc_free(rtpstream_info_calc_t *calc);
+
+/**
+ * Init analyse counters in rtpstream_info_t from pinfo
+ */
+void rtpstream_info_analyse_init(rtpstream_info_t *stream_info, const packet_info *pinfo, const struct _rtp_info *rtpinfo);
+
+/**
+ * Update analyse counters in rtpstream_info_t from pinfo
+ */
+void rtpstream_info_analyse_process(rtpstream_info_t *stream_info, const packet_info *pinfo, const struct _rtp_info *rtpinfo);
+
+/**
+ * Get hash key for rtpstream_info_t
+ */
+guint rtpstream_to_hash(gconstpointer key);
+
+/**
+ * Insert new_stream_info into multihash
+ */
+void rtpstream_info_multihash_insert(GHashTable *multihash, rtpstream_info_t *new_stream_info);
+
+/**
+ * Lookup stream_info in stream_info multihash
+ */
+rtpstream_info_t *rtpstream_info_multihash_lookup(GHashTable *multihash, rtpstream_id_t *stream_id);
+
+/**
+ * GHFunc () for destroying GList in multihash
+ */
+void rtpstream_info_multihash_destroy_value(gpointer key, gpointer value, gpointer user_data);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __TAP_RTP_COMMON_H__ */