5 * Copyright 1998 Mike Hall <mlh@io.com>
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
32 #endif /* __cplusplus */
34 #include <epan/packet.h>
35 #include "ws_symbol_export.h"
37 #define MAX_IPADDR_LEN 16
39 /* With MSVC and a libwireshark.dll, we need a special declaration. */
40 WS_DLL_PUBLIC gboolean empty_tcp_stream;
41 WS_DLL_PUBLIC gboolean incomplete_tcp_stream;
43 typedef struct _tcp_stream_chunk {
44 guint8 src_addr[MAX_IPADDR_LEN];
50 /** Build a follow filter based on the current packet's conversation.
52 * @param packet_info[in] The current packet.
53 * @return A filter that specifies the conversation. Must be g_free()d
57 gchar* build_follow_conv_filter( packet_info * );
59 /** Build a follow filter based on the current TCP stream index.
60 * follow_tcp_index() must be called prior to calling this.
62 * @return A filter that specifies the current stream. Must be g_free()d
66 gchar* build_follow_index_filter(void);
69 gboolean follow_tcp_addr( const address *, guint, const address *, guint );
71 /** Select a TCP stream to follow via its index.
73 * @param addr[in] The stream index to follow.
74 * @return TRUE on success, FALSE on failure.
77 gboolean follow_tcp_index( guint32 );
79 /** Get the current TCP index being followed.
81 * @return The current TCP index. The behavior is undefined
82 * if no TCP stream is being followed.
85 guint32 get_follow_tcp_index(void);
87 void reassemble_tcp( guint32, guint32, guint32, guint32, const char*, guint32,
88 int, address *, address *, guint, guint, guint32 );
90 void reset_tcp_reassembly( void );
93 guint8 ip_address[2][MAX_IPADDR_LEN];
95 unsigned int bytes_written[2];
100 void follow_stats(follow_stats_t* stats);
104 #endif /* __cplusplus */