327 lines
9.0 KiB
C
327 lines
9.0 KiB
C
/* packet-mate.c
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* Routines for the mate Facility's Pseudo-Protocol dissection
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*
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* Copyright 2004, Luis E. Garcia Ontanon <gopo@webflies.org>
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/**************************************************************************
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* This is the pseudo protocol dissector for the mate module. ***
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* It is intended for this to be just the user interface to the module. ***
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**************************************************************************/
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#include "mate.h"
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static int mate_tap_data = 0;
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static mate_config* mc = NULL;
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static int proto_mate = -1;
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static gint ett_mate = -1;
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static gint ett_mate_pdu = -1;
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static gint ett_mate_pdu_attr = -1;
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static gint ett_mate_gop = -1;
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static gint ett_mate_gop_attr = -1;
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static gint ett_mate_gop_pdus = -1;
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static gint ett_mate_gop_times = -1;
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static gint ett_mate_gog = -1;
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static gint ett_mate_gog_attr = -1;
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static gint ett_mate_gog_gops = -1;
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static gint ett_mate_gop_in_gog = -1;
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static char* pref_mate_config_filename = "config.mate";
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static proto_item *mate_i = NULL;
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void attrs_tree(proto_tree* tree, tvbuff_t *tvb,mate_item* item) {
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AVPN* c;
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proto_item *avpl_i;
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proto_tree *avpl_t;
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int* hfi_p;
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gint our_ett;
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switch (item->cfg->type) {
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case MATE_PDU_TYPE:
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our_ett = ett_mate_pdu_attr;
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break;
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case MATE_GOP_TYPE:
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our_ett = ett_mate_pdu_attr;
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break;
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case MATE_GOG_TYPE:
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our_ett = ett_mate_pdu_attr;
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break;
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default:
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our_ett = ett_mate;
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break;
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}
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avpl_i = proto_tree_add_text(tree,tvb,0,0,"%s Attributes",item->cfg->name);
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avpl_t = proto_item_add_subtree(avpl_i, our_ett);
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for ( c = item->avpl->null.next; c->avp; c = c->next) {
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hfi_p = g_hash_table_lookup(item->cfg->my_hfids,c->avp->n);
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if (hfi_p) {
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proto_tree_add_string(avpl_t,*hfi_p,tvb,0,0,c->avp->v);
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} else {
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g_warning("MATE: error: undefined attribute: mate.%s.%s",item->cfg->name,c->avp->n);
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proto_tree_add_text(avpl_t,tvb,0,0,"Undefined attribute: %s=%s",c->avp->n, c->avp->v);
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}
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}
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}
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void mate_gop_tree(proto_tree* pdu_tree, tvbuff_t *tvb, mate_gop* gop, gint ett);
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void mate_gog_tree(proto_tree* tree, tvbuff_t *tvb, mate_gog* gog, mate_gop* gop) {
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proto_item *gog_item;
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proto_tree *gog_tree;
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proto_item *gog_gop_item;
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proto_tree *gog_gop_tree;
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mate_gop* gog_gops;
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#ifdef _MATE_DEBUGGING
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proto_item* gog_key_item;
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proto_tree* gog_key_tree;
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guint i;
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#endif
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gog_item = proto_tree_add_uint(tree,gog->cfg->hfid,tvb,0,0,gog->id);
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gog_tree = proto_item_add_subtree(gog_item,ett_mate_gog);
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attrs_tree(gog_tree,tvb,gog);
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gog_gop_item = proto_tree_add_uint(gog_tree, gog->cfg->hfid_gog_num_of_gops,
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tvb, 0, 0, gog->num_of_gops);
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gog_gop_tree = proto_item_add_subtree(gog_gop_item, ett_mate_gog_gops);
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for (gog_gops = gog->gops; gog_gops; gog_gops = gog_gops->next) {
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if (gop != gog_gops) {
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mate_gop_tree(gog_gop_tree, tvb, gog_gops, ett_mate_gop_in_gog);
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} else {
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proto_tree_add_uint_format(gog_gop_tree,gop->cfg->hfid,tvb,0,0,gop->id,"%s of current frame: %d",gop->cfg->name,gop->id);
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}
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}
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}
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void mate_gop_tree(proto_tree* tree, tvbuff_t *tvb, mate_gop* gop, gint gop_ett) {
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proto_item *gop_item;
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proto_tree *gop_time_tree;
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proto_item *gop_time_item;
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proto_tree *gop_tree;
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proto_item *gop_pdu_item;
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proto_tree *gop_pdu_tree;
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mate_pdu* gop_pdus;
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float rel_time;
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float gop_time;
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gop_item = proto_tree_add_uint(tree,gop->cfg->hfid,tvb,0,0,gop->id);
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gop_tree = proto_item_add_subtree(gop_item, gop_ett);
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if (gop->gop_key) proto_tree_add_text(gop_tree,tvb,0,0,"GOP Key: %s",gop->gop_key);
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attrs_tree(gop_tree,tvb,gop);
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if (gop->cfg->show_gop_times) {
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gop_time_item = proto_tree_add_text(gop_tree,tvb,0,0,"%s Times",gop->cfg->name);
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gop_time_tree = proto_item_add_subtree(gop_time_item, ett_mate_gop_times);
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proto_tree_add_float(gop_time_tree, gop->cfg->hfid_gop_start_time, tvb, 0, 0, gop->start_time);
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if (gop->released) {
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proto_tree_add_float(gop_time_tree, gop->cfg->hfid_gop_stop_time, tvb, 0, 0, gop->release_time);
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if (gop->release_time != gop->last_time) {
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proto_tree_add_float(gop_time_tree, gop->cfg->hfid_gop_last_time, tvb, 0, 0, gop->last_time);
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}
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} else {
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proto_tree_add_float(gop_time_tree, gop->cfg->hfid_gop_last_time, tvb, 0, 0, gop->last_time);
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}
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}
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rel_time = gop_time = gop->start_time;
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gop_pdu_item = proto_tree_add_uint(gop_tree, gop->cfg->hfid_gop_num_pdus, tvb, 0, 0,gop->num_of_pdus);
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gop_pdu_tree = proto_item_add_subtree(gop_pdu_item, ett_mate_gop_pdus);
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if (gop->cfg->show_pdu_tree) {
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for (gop_pdus = gop->pdus; gop_pdus; gop_pdus = gop_pdus->next) {
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if (gop_pdus->is_start) {
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proto_tree_add_uint_format(gop_pdu_tree,gop->cfg->hfid_gop_pdu,
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tvb,0,0,gop_pdus->frame,
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"Start PDU: in frame %i",
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gop_pdus->frame);
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} else if (gop_pdus->is_stop) {
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proto_tree_add_uint_format(gop_pdu_tree,gop->cfg->hfid_gop_pdu,
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tvb,0,0,gop_pdus->frame,
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"Stop PDU: in frame %i (%f : %f)",
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gop_pdus->frame,
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gop_pdus->rel_time,
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gop_pdus->rel_time-rel_time);
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} else if (gop_pdus->after_release) {
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proto_tree_add_uint_format(gop_pdu_tree,gop->cfg->hfid_gop_pdu,
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tvb,0,0,gop_pdus->frame,
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"After stop PDU: in frame %i (%f : %f)",
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gop_pdus->frame,
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gop_pdus->rel_time,
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gop_pdus->rel_time-rel_time);
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} else {
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proto_tree_add_uint_format(gop_pdu_tree,gop->cfg->hfid_gop_pdu,
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tvb,0,0,gop_pdus->frame,
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"PDU: in frame %i (%f : %f)",
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gop_pdus->frame,
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gop_pdus->rel_time,
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gop_pdus->rel_time-rel_time);
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}
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rel_time = gop_pdus->rel_time;
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}
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}
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}
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void mate_pdu_tree(mate_pdu *pdu, tvbuff_t *tvb, proto_tree* tree) {
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proto_item *pdu_item;
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proto_tree *pdu_tree;
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guint32 len;
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if ( ! pdu ) return;
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if (pdu->gop && pdu->gop->gog) {
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proto_item_append_text(mate_i," %s:%d->%s:%d->%s:%d",
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pdu->cfg->name,pdu->id,
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pdu->gop->cfg->name,pdu->gop->id,
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pdu->gop->gog->cfg->name,pdu->gop->gog->id);
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} else if (pdu->gop) {
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proto_item_append_text(mate_i," %s:%d->%s:%d",
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pdu->cfg->name,pdu->id,
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pdu->gop->cfg->name,pdu->gop->id);
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} else {
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proto_item_append_text(mate_i," %s:%d",pdu->cfg->name,pdu->id);
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}
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len = pdu->end - pdu->start;
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pdu_item = proto_tree_add_uint(tree,pdu->cfg->hfid,tvb,pdu->start,len,pdu->id);
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pdu_tree = proto_item_add_subtree(pdu_item, ett_mate_pdu);
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proto_tree_add_float(pdu_tree,pdu->cfg->hfid_pdu_rel_time, tvb, 0, 0, pdu->rel_time);
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if (pdu->gop) {
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mate_gop_tree(pdu_tree,tvb,pdu->gop,ett_mate_gop);
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if (pdu->gop->gog)
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mate_gog_tree(pdu_tree,tvb,pdu->gop->gog,pdu->gop);
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}
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if (pdu->avpl) {
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attrs_tree(pdu_tree,tvb,pdu);
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}
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}
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extern void mate_tree(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
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mate_pdu* pdus;
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proto_tree *mate_t;
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if (! tree ) return;
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if (( pdus = mate_get_pdus(pinfo->fd->num) )) {
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mate_i = proto_tree_add_text(tree,tvb,0,0,"mate");
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mate_t = proto_item_add_subtree(mate_i, ett_mate);
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for ( ; pdus; pdus = pdus->next_in_frame) {
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mate_pdu_tree(pdus,tvb,mate_t);
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}
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}
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}
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static void init_mate(void) {
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GString* tap_error = NULL;
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tap_error = register_tap_listener("frame", &mate_tap_data,
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mc->tap_filter,
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NULL,
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mate_packet,
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NULL);
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if ( tap_error ) {
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g_warning("mate: couldn't (re)register tap: %s",tap_error->str);
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g_string_free(tap_error, TRUE);
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mate_tap_data = 0;
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return;
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} else {
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mate_tap_data = 1;
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}
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init_mate_runtime_data();
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}
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extern
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void
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proto_reg_handoff_mate(void)
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{
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}
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extern
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void
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proto_register_mate(void)
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{
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static gint *ett[] = {
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&ett_mate,
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&ett_mate_pdu,
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&ett_mate_pdu_attr,
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&ett_mate_gop,
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&ett_mate_gop_attr,
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&ett_mate_gop_times,
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&ett_mate_gop_pdus,
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&ett_mate_gog,
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&ett_mate_gog_gops,
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&ett_mate_gog_attr,
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&ett_mate_gop_in_gog
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};
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mc = mate_make_config(pref_mate_config_filename);
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if (mc) {
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proto_mate = proto_register_protocol("Meta Analysis Tracing Engine", "mate", "mate");
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proto_register_field_array(proto_mate, (hf_register_info*) mc->hfrs->data, mc->hfrs->len );
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proto_register_subtree_array(ett, array_length(ett));
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register_dissector("mate",mate_tree,proto_mate);
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register_init_routine(init_mate);
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}
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}
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