diff options
Diffstat (limited to 'epan/packet.h')
| -rw-r--r-- | epan/packet.h | 83 |
1 files changed, 47 insertions, 36 deletions
diff --git a/epan/packet.h b/epan/packet.h index 8d3243da1e..d3e88429e8 100644 --- a/epan/packet.h +++ b/epan/packet.h @@ -1,7 +1,7 @@ /* packet.h * Definitions for packet disassembly structures and routines * - * $Id: packet.h,v 1.36 2001/10/31 05:59:19 guy Exp $ + * $Id: packet.h,v 1.37 2001/10/31 07:47:26 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -86,8 +86,8 @@ typedef struct true_false_string { char *false_string; } true_false_string; -void packet_init(void); -void packet_cleanup(void); +extern void packet_init(void); +extern void packet_cleanup(void); /* Hash table for matching port numbers and dissectors */ typedef GHashTable* dissector_table_t; @@ -101,35 +101,39 @@ typedef void (*DATFunc) (gchar *table_name, gpointer key, gpointer value, gpoint /* Opaque structure - provides type checking but no access to components */ typedef struct dtbl_entry dtbl_entry_t; -gint dissector_get_proto (dtbl_entry_t * entry); -gint dissector_get_initial_proto (dtbl_entry_t * entry); -void dissector_table_foreach_changed (char *name, DATFunc func, gpointer user_data); -void dissector_table_foreach (char *name, DATFunc func, gpointer user_data); -void dissector_all_tables_foreach_changed (DATFunc func, gpointer user_data); +extern gint dissector_get_proto (dtbl_entry_t * entry); +extern gint dissector_get_initial_proto (dtbl_entry_t * entry); +extern void dissector_table_foreach_changed (char *name, DATFunc func, + gpointer user_data); +extern void dissector_table_foreach (char *name, DATFunc func, + gpointer user_data); +extern void dissector_all_tables_foreach_changed (DATFunc func, + gpointer user_data); /* a protocol uses the function to register a sub-dissector table */ -dissector_table_t register_dissector_table(const char *name); +extern dissector_table_t register_dissector_table(const char *name); /* Add a sub-dissector to a dissector table. Called by the protocol routine */ /* that wants to register a sub-dissector. */ -void dissector_add(const char *abbrev, guint32 pattern, +extern void dissector_add(const char *abbrev, guint32 pattern, dissector_t dissector, int proto); /* Add a sub-dissector to a dissector table. Called by the protocol routine */ /* that wants to de-register a sub-dissector. */ -void dissector_delete(const char *name, guint32 pattern, dissector_t dissector); +extern void dissector_delete(const char *name, guint32 pattern, + dissector_t dissector); -void dissector_change(const char *abbrev, guint32 pattern, +extern void dissector_change(const char *abbrev, guint32 pattern, dissector_t dissector, int proto); /* Reset a dissector in a sub-dissector table to its initial value. */ -void dissector_reset(const char *name, guint32 pattern); +extern void dissector_reset(const char *name, guint32 pattern); /* Look for a given port in a given dissector table and, if found, call the dissector with the arguments supplied, and return TRUE, otherwise return FALSE. */ -gboolean dissector_try_port(dissector_table_t sub_dissectors, guint32 port, - tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +extern gboolean dissector_try_port(dissector_table_t sub_dissectors, + guint32 port, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); /* List of "heuristic" dissectors (which get handed a packet, look at it, and either recognize it as being for their protocol, dissect it, and @@ -142,17 +146,18 @@ typedef gboolean (*heur_dissector_t)(tvbuff_t *, packet_info *, proto_tree *); /* A protocol uses this function to register a heuristic dissector list */ -void register_heur_dissector_list(const char *name, heur_dissector_list_t *list); +extern void register_heur_dissector_list(const char *name, + heur_dissector_list_t *list); /* Add a sub-dissector to a heuristic dissector list. Called by the protocol routine that wants to register a sub-dissector. */ -void heur_dissector_add(const char *name, heur_dissector_t dissector, +extern void heur_dissector_add(const char *name, heur_dissector_t dissector, int proto); /* Try all the dissectors in a given heuristic dissector list until we find one that recognizes the protocol, in which case we return TRUE, or we run out of dissectors, in which case we return FALSE. */ -gboolean dissector_try_heuristic(heur_dissector_list_t sub_dissectors, +extern gboolean dissector_try_heuristic(heur_dissector_list_t sub_dissectors, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); /* List of "conversation" dissectors (they're not heuristic, but are @@ -170,19 +175,21 @@ gboolean dissector_try_heuristic(heur_dissector_list_t sub_dissectors, typedef GSList *conv_dissector_list_t; /* A protocol uses this function to register a conversation dissector list */ -void register_conv_dissector_list(const char *name, conv_dissector_list_t *list); +extern void register_conv_dissector_list(const char *name, + conv_dissector_list_t *list); /* Add a sub-dissector to a conversation dissector list. Called by the protocol routine that wants to register a sub-dissector. */ -void conv_dissector_add(const char *name, dissector_t dissector, +extern void conv_dissector_add(const char *name, dissector_t dissector, int proto); /* Opaque structure - provides type checking but no access to components */ typedef struct conv_dtbl_entry conv_dtbl_entry_t; -gint conv_dissector_get_proto (conv_dtbl_entry_t * entry); -void dissector_conv_foreach(char *name, DATFunc func, gpointer user_data); -void dissector_all_conv_foreach(DATFunc func, gpointer user_data); +extern gint conv_dissector_get_proto (conv_dtbl_entry_t * entry); +extern void dissector_conv_foreach(char *name, DATFunc func, + gpointer user_data); +extern void dissector_all_conv_foreach(DATFunc func, gpointer user_data); /* Handle for dissectors you call directly. This handle is opaque outside of "packet.c". */ @@ -190,19 +197,20 @@ struct dissector_handle; typedef struct dissector_handle *dissector_handle_t; /* Register a dissector. */ -void register_dissector(const char *name, dissector_t dissector, int proto); +extern void register_dissector(const char *name, dissector_t dissector, + int proto); /* Find a dissector by name. */ -dissector_handle_t find_dissector(const char *name); +extern dissector_handle_t find_dissector(const char *name); /* Call a dissector through a handle. */ -void call_dissector(dissector_handle_t handle, tvbuff_t *tvb, +extern void call_dissector(dissector_handle_t handle, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); /* Do all one-time initialization. */ -void dissect_init(void); +extern void dissect_init(void); -void dissect_cleanup(void); +extern void dissect_cleanup(void); /* * Given a tvbuff, a packet_info *, and a length from a packet header, @@ -210,29 +218,32 @@ void dissect_cleanup(void); * members of the "packet_info" structure, to reflect the specified * length. */ -void set_actual_length(tvbuff_t *tvb, packet_info *pinfo, guint specified_len); +extern void set_actual_length(tvbuff_t *tvb, packet_info *pinfo, + guint specified_len); /* Allow protocols to register "init" routines, which are called before we make a pass through a capture file and dissect all its packets (e.g., when we read in a new capture file, or run a "filter packets" or "colorize packets" pass over the current capture file). */ -void register_init_routine(void (*func)(void)); +extern void register_init_routine(void (*func)(void)); /* Call all the registered "init" routines. */ -void init_all_protocols(void); +extern void init_all_protocols(void); /* * Dissectors should never modify the packet data. */ -void dissect_packet(tvbuff_t **p_tvb, union wtap_pseudo_header *pseudo_header, - const u_char *pd, frame_data *fd, proto_tree *tree); -void dissect_data(tvbuff_t *tvb, int, packet_info *pinfo, proto_tree *tree); +extern void dissect_packet(tvbuff_t **p_tvb, + union wtap_pseudo_header *pseudo_header, const u_char *pd, + frame_data *fd, proto_tree *tree); +extern void dissect_data(tvbuff_t *tvb, int, packet_info *pinfo, + proto_tree *tree); /* These functions are in packet-ethertype.c */ -void capture_ethertype(guint16 etype, int offset, +extern void capture_ethertype(guint16 etype, int offset, const u_char *pd, packet_counts *ld); -void ethertype(guint16 etype, tvbuff_t *tvb, int offset_after_ethertype, +extern void ethertype(guint16 etype, tvbuff_t *tvb, int offset_after_ethertype, packet_info *pinfo, proto_tree *tree, proto_tree *fh_tree, int etype_id, int trailer_id); |