2000-02-07 17:08:27 +00:00
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/* plugin_api.c
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2000-02-07 17:23:53 +00:00
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* Routines for Ethereal plugins.
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*
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Add a mechanism by which a dissector can be registered by name, another
dissector can get a "handle" for that dissector by name and then call
that dissector through the handle.
This allows dissectors that can't be called through a port table or a
heuristic table to be called from other dissectors without directly
referring to the dissector function - dynamically-loaded modules, under
Windows, cannot directly call functions in the main program, and
non-plugin dissectors are in the main program and thus cannot be called
from plugin dissectors unless either
1) a pointer to the dissector is put in the Big Transfer Vector
or
2) some other mechanism for getting a pointer to the dissector
is provided.
This mechanism could also support registering old-style dissectors and
calling them from new-style dissectors without the new-style dissector
having to do the argument translation itself (I didn't add support for
registering old-style dissectors because I'd prefer to have people
tvbuffify their code if they have to register a dissector...).
It could also, in the future, perhaps support
disabling of protocols;
setting "pinfo->current_proto";
inside "call_dissector()" - and inside "{old_}dissector_try_port()" and
"{old_"dissector_try_heuristic()" - allowing a pile of stuff that
currently has to be done in every dissector be done by common code.
(I have some ideas about how to do this, by
having "proto_register_protocol()" take an abbreviation - of the
sort that would be put in, for example, "pinfo->current_proto" -
as an argument;
having the calls to register dissectors take an index returned
by "proto_register_protocol()" as an argument.
The abbreviation could be used elsewhere as well, e.g. in the "Decoding"
tab of the "Edit->Protocols" dialog box, and in a GUI for constructing
protocol filters. Watch this space.)
Make "dissect_sdp()" the first client of this mechanism; it's now static
to "packet-sdp.c", and all dissectors that call it - including the MGCP
plugin - now call it through a dissector handle fetched by
"find_dissector()". (Next step - see if Ethereal can now compile on
Windows as a result of this.)
svn path=/trunk/; revision=2647
2000-11-15 07:07:52 +00:00
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* $Id: plugin_api.c,v 1.13 2000/11/15 07:07:49 guy Exp $
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2000-02-07 17:23:53 +00:00
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*
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* Ethereal - Network traffic analyzer
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* Copyright 2000 by Gilbert Ramirez <gram@xiexie.org>
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*
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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2000-02-07 17:08:27 +00:00
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdarg.h>
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2000-11-14 10:38:15 +00:00
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#include <glib.h>
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2000-02-07 17:08:27 +00:00
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#include "plugin_api.h"
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2000-02-09 19:32:28 +00:00
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packet_info *p_pi = NULL;
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2000-02-07 17:08:27 +00:00
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void
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plugin_address_table_init(plugin_address_table_t *pat)
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{
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2000-05-31 18:32:15 +00:00
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p_pi = pat->p_pi;
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p_check_col = pat->p_check_col;
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p_col_add_fstr = pat->p_col_add_fstr;
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p_col_append_fstr = pat->p_col_append_fstr;
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p_col_add_str = pat->p_col_add_str;
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p_col_append_str = pat->p_col_append_str;
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p_dfilter_init = pat->p_dfilter_init;
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p_dfilter_cleanup = pat->p_dfilter_cleanup;
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p_proto_register_protocol = pat->p_proto_register_protocol;
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p_proto_register_field_array = pat->p_proto_register_field_array;
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p_proto_register_subtree_array = pat->p_proto_register_subtree_array;
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p_dissector_add = pat->p_dissector_add;
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Add a Makefile.nmake for the MGCP plugin, and update
"plugins/Makefile.nmake" to build that plugin.
Add to the table of routines callable from plugins
"old_dissector_add()", "old_dissect_data()", and
"proto_is_protocol_enabled()", so that the Gryphon dissector can build
on Windows.
Move the includes of "plugins/plugin_api.h" and "moduleinfo.h" before
all the other includes, except for "config.h", in "plugin-mgcp.c", to
match what the Gryphon dissector does; "plugins_api.h" must be included
before any of the routines whose names it #defines in order for the
plugin to build on Windows. (It still doesn't build on Windows, as
still more routines need to be added to the table of routines callable
from plugins, but tomorrow is another day. Making libethereal a DLL may
obviate the need for that table, *if* all the routines called from a
plugin are in libethereal, as I think routines in a DLL, even a
run-time-loaded DLL, can call routines from another DLL as long as those
routines are exported from the other DLL.)
svn path=/trunk/; revision=2622
2000-11-12 11:08:46 +00:00
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p_old_dissector_add = pat->p_old_dissector_add;
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2000-11-14 10:38:15 +00:00
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p_dissector_delete = pat->p_dissector_delete;
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2000-05-31 18:32:15 +00:00
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p_heur_dissector_add = pat->p_heur_dissector_add;
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Add a mechanism by which a dissector can be registered by name, another
dissector can get a "handle" for that dissector by name and then call
that dissector through the handle.
This allows dissectors that can't be called through a port table or a
heuristic table to be called from other dissectors without directly
referring to the dissector function - dynamically-loaded modules, under
Windows, cannot directly call functions in the main program, and
non-plugin dissectors are in the main program and thus cannot be called
from plugin dissectors unless either
1) a pointer to the dissector is put in the Big Transfer Vector
or
2) some other mechanism for getting a pointer to the dissector
is provided.
This mechanism could also support registering old-style dissectors and
calling them from new-style dissectors without the new-style dissector
having to do the argument translation itself (I didn't add support for
registering old-style dissectors because I'd prefer to have people
tvbuffify their code if they have to register a dissector...).
It could also, in the future, perhaps support
disabling of protocols;
setting "pinfo->current_proto";
inside "call_dissector()" - and inside "{old_}dissector_try_port()" and
"{old_"dissector_try_heuristic()" - allowing a pile of stuff that
currently has to be done in every dissector be done by common code.
(I have some ideas about how to do this, by
having "proto_register_protocol()" take an abbreviation - of the
sort that would be put in, for example, "pinfo->current_proto" -
as an argument;
having the calls to register dissectors take an index returned
by "proto_register_protocol()" as an argument.
The abbreviation could be used elsewhere as well, e.g. in the "Decoding"
tab of the "Edit->Protocols" dialog box, and in a GUI for constructing
protocol filters. Watch this space.)
Make "dissect_sdp()" the first client of this mechanism; it's now static
to "packet-sdp.c", and all dissectors that call it - including the MGCP
plugin - now call it through a dissector handle fetched by
"find_dissector()". (Next step - see if Ethereal can now compile on
Windows as a result of this.)
svn path=/trunk/; revision=2647
2000-11-15 07:07:52 +00:00
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p_register_dissector = pat->p_register_dissector;
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p_find_dissector = pat->p_find_dissector;
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p_old_call_dissector = pat->p_old_call_dissector;
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p_call_dissector = pat->p_call_dissector;
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2000-11-13 10:13:26 +00:00
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p_dissect_data = pat->p_dissect_data;
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Add a Makefile.nmake for the MGCP plugin, and update
"plugins/Makefile.nmake" to build that plugin.
Add to the table of routines callable from plugins
"old_dissector_add()", "old_dissect_data()", and
"proto_is_protocol_enabled()", so that the Gryphon dissector can build
on Windows.
Move the includes of "plugins/plugin_api.h" and "moduleinfo.h" before
all the other includes, except for "config.h", in "plugin-mgcp.c", to
match what the Gryphon dissector does; "plugins_api.h" must be included
before any of the routines whose names it #defines in order for the
plugin to build on Windows. (It still doesn't build on Windows, as
still more routines need to be added to the table of routines callable
from plugins, but tomorrow is another day. Making libethereal a DLL may
obviate the need for that table, *if* all the routines called from a
plugin are in libethereal, as I think routines in a DLL, even a
run-time-loaded DLL, can call routines from another DLL as long as those
routines are exported from the other DLL.)
svn path=/trunk/; revision=2622
2000-11-12 11:08:46 +00:00
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p_old_dissect_data = pat->p_old_dissect_data;
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p_proto_is_protocol_enabled = pat->p_proto_is_protocol_enabled;
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2000-11-13 10:13:26 +00:00
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p_proto_item_get_len = pat->p_proto_item_get_len;
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p_proto_item_set_len = pat->p_proto_item_set_len;
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p_proto_item_set_text = pat->p_proto_item_set_text;
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2000-05-31 18:32:15 +00:00
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p_proto_item_add_subtree = pat->p_proto_item_add_subtree;
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p_proto_tree_add_item = pat->p_proto_tree_add_item;
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p_proto_tree_add_item_hidden = pat->p_proto_tree_add_item_hidden;
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p_proto_tree_add_protocol_format = pat->p_proto_tree_add_protocol_format;
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p_proto_tree_add_bytes = pat->p_proto_tree_add_bytes;
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p_proto_tree_add_bytes_hidden = pat->p_proto_tree_add_bytes_hidden;
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p_proto_tree_add_bytes_format = pat->p_proto_tree_add_bytes_format;
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p_proto_tree_add_time = pat->p_proto_tree_add_time;
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p_proto_tree_add_time_hidden = pat->p_proto_tree_add_time_hidden;
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p_proto_tree_add_time_format = pat->p_proto_tree_add_time_format;
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p_proto_tree_add_ipxnet = pat->p_proto_tree_add_ipxnet;
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p_proto_tree_add_ipxnet_hidden = pat->p_proto_tree_add_ipxnet_hidden;
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p_proto_tree_add_ipxnet_format = pat->p_proto_tree_add_ipxnet_format;
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p_proto_tree_add_ipv4 = pat->p_proto_tree_add_ipv4;
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p_proto_tree_add_ipv4_hidden = pat->p_proto_tree_add_ipv4_hidden;
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p_proto_tree_add_ipv4_format = pat->p_proto_tree_add_ipv4_format;
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p_proto_tree_add_ipv6 = pat->p_proto_tree_add_ipv6;
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p_proto_tree_add_ipv6_hidden = pat->p_proto_tree_add_ipv6_hidden;
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p_proto_tree_add_ipv6_format = pat->p_proto_tree_add_ipv6_format;
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p_proto_tree_add_ether = pat->p_proto_tree_add_ether;
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p_proto_tree_add_ether_hidden = pat->p_proto_tree_add_ether_hidden;
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p_proto_tree_add_ether_format = pat->p_proto_tree_add_ether_format;
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p_proto_tree_add_string = pat->p_proto_tree_add_string;
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p_proto_tree_add_string_hidden = pat->p_proto_tree_add_string_hidden;
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p_proto_tree_add_string_format = pat->p_proto_tree_add_string_format;
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p_proto_tree_add_boolean = pat->p_proto_tree_add_boolean;
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p_proto_tree_add_boolean_hidden = pat->p_proto_tree_add_boolean_hidden;
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p_proto_tree_add_boolean_format = pat->p_proto_tree_add_boolean_format;
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p_proto_tree_add_double = pat->p_proto_tree_add_double;
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p_proto_tree_add_double_hidden = pat->p_proto_tree_add_double_hidden;
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p_proto_tree_add_double_format = pat->p_proto_tree_add_double_format;
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p_proto_tree_add_uint = pat->p_proto_tree_add_uint;
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p_proto_tree_add_uint_hidden = pat->p_proto_tree_add_uint_hidden;
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p_proto_tree_add_uint_format = pat->p_proto_tree_add_uint_format;
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p_proto_tree_add_int = pat->p_proto_tree_add_int;
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p_proto_tree_add_int_hidden = pat->p_proto_tree_add_int_hidden;
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p_proto_tree_add_int_format = pat->p_proto_tree_add_int_format;
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p_proto_tree_add_text = pat->p_proto_tree_add_text;
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p_proto_tree_add_notext = pat->p_proto_tree_add_notext;
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2000-11-13 08:00:12 +00:00
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p_tvb_new_subset = pat->p_tvb_new_subset;
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p_tvb_length = pat->p_tvb_length;
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p_tvb_length_remaining = pat->p_tvb_length_remaining;
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p_tvb_bytes_exist = pat->p_tvb_bytes_exist;
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p_tvb_offset_exists = pat->p_tvb_offset_exists;
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p_tvb_reported_length = pat->p_tvb_reported_length;
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p_tvb_get_guint8 = pat->p_tvb_get_guint8;
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p_tvb_get_ntohs = pat->p_tvb_get_ntohs;
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p_tvb_get_ntoh24 = pat->p_tvb_get_ntoh24;
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p_tvb_get_ntohl = pat->p_tvb_get_ntohl;
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#ifdef G_HAVE_GINT64
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p_tvb_get_ntohll = pat->p_tvb_get_ntohll;
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#endif
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p_tvb_get_letohs = pat->p_tvb_get_letohs;
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p_tvb_get_letoh24 = pat->p_tvb_get_letoh24;
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p_tvb_get_letohl = pat->p_tvb_get_letohl;
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#ifdef G_HAVE_GINT64
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p_tvb_get_letohll = pat->p_tvb_get_letohll;
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#endif
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p_tvb_memcpy = pat->p_tvb_memcpy;
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p_tvb_memdup = pat->p_tvb_memdup;
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p_tvb_get_ptr = pat->p_tvb_get_ptr;
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p_tvb_find_guint8 = pat->p_tvb_find_guint8;
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p_tvb_pbrk_guint8 = pat->p_tvb_pbrk_guint8;
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p_tvb_strnlen = pat->p_tvb_strnlen;
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p_tvb_format_text = pat->p_tvb_format_text;
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p_tvb_get_nstringz = pat->p_tvb_get_nstringz;
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p_tvb_get_nstringz0 = pat->p_tvb_get_nstringz0;
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p_tvb_find_line_end = pat->p_tvb_find_line_end;
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p_tvb_find_line_end_unquoted = pat->p_tvb_find_line_end_unquoted;
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p_tvb_strneql = pat->p_tvb_strneql;
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p_tvb_strncaseeql = pat->p_tvb_strncaseeql;
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p_tvb_bytes_to_str = pat->p_tvb_bytes_to_str;
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2000-11-13 10:13:26 +00:00
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p_prefs_register_module = pat->p_prefs_register_module;
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p_prefs_register_uint_preference = pat->p_prefs_register_uint_preference;
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p_prefs_register_bool_preference = pat->p_prefs_register_bool_preference;
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p_prefs_register_enum_preference = pat->p_prefs_register_enum_preference;
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2000-02-07 17:08:27 +00:00
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}
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