116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/* follow.h
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*
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* Copyright 1998 Mike Hall <mlh@io.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef __FOLLOW_H__
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#define __FOLLOW_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <epan/packet.h>
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#include "ws_symbol_export.h"
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#define MAX_IPADDR_LEN 16
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typedef enum {
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TCP_STREAM = 0,
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UDP_STREAM,
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MAX_STREAM
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} stream_type;
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/* With MSVC and a libwireshark.dll, we need a special declaration. */
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WS_DLL_PUBLIC gboolean empty_tcp_stream;
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WS_DLL_PUBLIC gboolean incomplete_tcp_stream;
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typedef struct _tcp_stream_chunk {
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guint8 src_addr[MAX_IPADDR_LEN];
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guint16 src_port;
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guint32 dlen;
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guint32 packet_num;
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} tcp_stream_chunk;
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/** Build a follow filter based on the current packet's conversation.
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*
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* @param packet_info [in] The current packet.
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* @param append_filter [in] Optional filter to && (AND) to generated one.
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* @return A filter that specifies the conversation. Must be g_free()d
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* the caller.
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*/
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WS_DLL_PUBLIC
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gchar* build_follow_conv_filter( packet_info * packet_info, const char* append_filter);
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/** Build a follow filter based on the current TCP/UDP stream index.
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* follow_index() must be called prior to calling this.
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*
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* @return A filter that specifies the current stream. Must be g_free()d
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* the caller.
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*/
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WS_DLL_PUBLIC
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gchar* build_follow_index_filter(stream_type stream);
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WS_DLL_PUBLIC
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gboolean follow_addr(stream_type, const address *, guint, const address *, guint );
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/** Select a TCP/UDP stream to follow via its index.
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*
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* @param stream [in] The stream type to follow(TCP_STREAM or UDP_STREAM)
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* @param addr [in] The stream index to follow.
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* @return TRUE on success, FALSE on failure.
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*/
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WS_DLL_PUBLIC
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gboolean follow_index(stream_type stream, guint32 addr);
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/** Get the current TCP/UDP index being followed.
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*
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* @return The current TCP/UDP index. The behavior is undefined
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* if no TCP/UDP stream is being followed.
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*/
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WS_DLL_PUBLIC
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guint32 get_follow_index(stream_type stream);
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void reassemble_tcp( guint32, guint32, guint32, guint32, const char*, guint32,
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int, address *, address *, guint, guint, guint32 );
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WS_DLL_PUBLIC
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void reset_tcp_reassembly( void );
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WS_DLL_PUBLIC
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void reset_udp_follow(void);
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typedef struct {
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guint8 ip_address[2][MAX_IPADDR_LEN];
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guint32 port[2];
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unsigned int bytes_written[2];
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gboolean is_ipv6;
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} follow_stats_t;
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WS_DLL_PUBLIC
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void follow_stats(follow_stats_t* stats);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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