diff options
Diffstat (limited to 'plugins/mate/mate_runtime.c')
-rw-r--r-- | plugins/mate/mate_runtime.c | 936 |
1 files changed, 0 insertions, 936 deletions
diff --git a/plugins/mate/mate_runtime.c b/plugins/mate/mate_runtime.c deleted file mode 100644 index 82c7af26ea..0000000000 --- a/plugins/mate/mate_runtime.c +++ /dev/null @@ -1,936 +0,0 @@ -/* mate_runtime.c -* MATE -- Meta Analysis Tracing Engine -* -* Copyright 2004, Luis E. Garcia Ontanon <luis@ontanon.org> -* -* Wireshark - Network traffic analyzer -* By Gerald Combs <gerald@wireshark.org> -* Copyright 1998 Gerald Combs -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License -* as published by the Free Software Foundation; either version 2 -* of the License, or (at your option) any later version. -* -* This program is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#include "mate.h" - -typedef struct _mate_range mate_range; - -struct _mate_range { - guint start; - guint end; -}; - - -typedef struct _tmp_pdu_data { - GPtrArray* ranges; - proto_tree* tree; - mate_pdu* pdu; -} tmp_pdu_data; - - -typedef struct _gogkey { - gchar* key; - mate_cfg_gop* cfg; -} gogkey; - - -static mate_runtime_data* rd = NULL; - -static int zero = 5; - -static int* dbg = &zero; -static int* dbg_pdu = &zero; -static int* dbg_gop = &zero; -static int* dbg_gog = &zero; -static FILE* dbg_facility = NULL; - -static gboolean destroy_mate_pdus(gpointer k _U_, gpointer v, gpointer p _U_) { - mate_pdu* pdu = (mate_pdu*) v; - if (pdu->avpl) delete_avpl(pdu->avpl,TRUE); - g_slice_free(mate_max_size, (mate_max_size *)pdu); - return TRUE; -} - -static gboolean destroy_mate_gops(gpointer k _U_, gpointer v, gpointer p _U_) { - mate_gop* gop = (mate_gop*) v; - - if (gop->avpl) delete_avpl(gop->avpl,TRUE); - - if (gop->gop_key) { - if (g_hash_table_lookup(gop->cfg->gop_index,gop->gop_key) == gop) { - g_hash_table_remove(gop->cfg->gop_index,gop->gop_key); - } - - g_free(gop->gop_key); - } - - g_slice_free(mate_max_size,(mate_max_size*)gop); - - return TRUE; -} - - -static void gog_remove_keys (mate_gog* gog); - -static gboolean destroy_mate_gogs(gpointer k _U_, gpointer v, gpointer p _U_) { - mate_gog* gog = (mate_gog*) v; - - if (gog->avpl) delete_avpl(gog->avpl,TRUE); - - if (gog->gog_keys) { - gog_remove_keys(gog); - g_ptr_array_free(gog->gog_keys,FALSE); - } - - g_slice_free(mate_max_size,(mate_max_size*)gog); - - return TRUE; -} - -static gboolean return_true(gpointer k _U_, gpointer v _U_, gpointer p _U_) { - return TRUE; -} - -static void destroy_pdus_in_cfg(gpointer k _U_, gpointer v, gpointer p _U_) { - mate_cfg_pdu* c = (mate_cfg_pdu *)v; - g_hash_table_foreach_remove(c->items,destroy_mate_pdus,NULL); - c->last_id = 0; -} - - -static void destroy_gops_in_cfg(gpointer k _U_, gpointer v, gpointer p _U_) { - mate_cfg_gop* c = (mate_cfg_gop *)v; - - g_hash_table_foreach_remove(c->gop_index,return_true,NULL); - g_hash_table_destroy(c->gop_index); - c->gop_index = g_hash_table_new(g_str_hash,g_str_equal); - - g_hash_table_foreach_remove(c->gog_index,return_true,NULL); - g_hash_table_destroy(c->gog_index); - c->gog_index = g_hash_table_new(g_str_hash,g_str_equal); - - g_hash_table_foreach_remove(c->items,destroy_mate_gops,NULL); - c->last_id = 0; -} - -static void destroy_gogs_in_cfg(gpointer k _U_, gpointer v, gpointer p _U_) { - mate_cfg_gog* c = (mate_cfg_gog *)v; - g_hash_table_foreach_remove(c->items,destroy_mate_gogs,NULL); - c->last_id = 0; -} - -void initialize_mate_runtime(mate_config* mc) { - - dbg_print (dbg,5,dbg_facility,"initialize_mate: entering"); - - if (mc) { - if (rd == NULL ) { - rd = (mate_runtime_data *)g_malloc(sizeof(mate_runtime_data)); - } else { - g_hash_table_foreach(mc->pducfgs,destroy_pdus_in_cfg,NULL); - g_hash_table_foreach(mc->gopcfgs,destroy_gops_in_cfg,NULL); - g_hash_table_foreach(mc->gogcfgs,destroy_gogs_in_cfg,NULL); - - g_hash_table_destroy(rd->frames); - } - - rd->current_items = 0; - rd->now = -1.0f; - rd->highest_analyzed_frame = 0; - rd->frames = g_hash_table_new(g_direct_hash,g_direct_equal); - - - /*mc->dbg_gop_lvl = 5; - mc->dbg_gog_lvl = 5; - */ - dbg_pdu = &(mc->dbg_pdu_lvl); - dbg_gop = &(mc->dbg_gop_lvl); - dbg_gog = &(mc->dbg_gog_lvl); - dbg = &(mc->dbg_lvl); - dbg_facility = mc->dbg_facility; - - dbg_print(dbg, 1, dbg_facility, "starting mate"); - - } else { - rd = NULL; - } -} - - -static mate_gop* new_gop(mate_cfg_gop* cfg, mate_pdu* pdu, gchar* key) { - mate_gop* gop = (mate_gop*)g_slice_new(mate_max_size); - - gop->id = ++(cfg->last_id); - gop->cfg = cfg; - - dbg_print(dbg_gop, 1, dbg_facility, "new_gop: %s: ``%s:%d''", key, gop->cfg->name, gop->id); - - gop->gop_key = key; - gop->avpl = new_avpl(cfg->name); - gop->last_n = 0; - - gop->gog = NULL; - gop->next = NULL; - - gop->expiration = cfg->expiration > 0.0 ? cfg->expiration + rd->now : (float) -1.0 ; - gop->idle_expiration = cfg->idle_timeout > 0.0 ? cfg->idle_timeout + rd->now : (float) -1.0 ; - gop->time_to_die = cfg->lifetime > 0.0 ? cfg->lifetime + rd->now : (float) -1.0 ; - gop->time_to_timeout = 0.0f; - - gop->last_time = gop->start_time = rd->now; - gop->release_time = 0.0f; - - gop->num_of_pdus = 0; - gop->num_of_after_release_pdus = 0; - - gop->pdus = pdu; - gop->last_pdu = pdu; - - gop->released = FALSE; - - pdu->gop = gop; - pdu->next = NULL; - pdu->is_start = TRUE; - pdu->time_in_gop = 0.0f; - - g_hash_table_insert(cfg->gop_index,gop->gop_key,gop); - return gop; -} - -static void adopt_gop(mate_gog* gog, mate_gop* gop) { - dbg_print (dbg_gog,5,dbg_facility,"adopt_gop: gog=%p gop=%p",(void*)gog,(void*)gop); - - gop->gog = gog; - gop->next = NULL; - - if (gop->cfg->start) { - gog->num_of_counting_gops++; - } - - gog->num_of_gops++; - - if (gog->last_gop) { - gog->last_gop->next = gop; - } - - gog->last_gop = gop; - - if (! gog->gops ) { - gog->gops = gop; - } - -} - -static mate_gog* new_gog(mate_cfg_gog* cfg, mate_gop* gop) { - mate_gog* gog = (mate_gog*)g_slice_new(mate_max_size); - gog->id = ++(cfg->last_id); - gog->cfg = cfg; - - dbg_print (dbg_gog,1,dbg_facility,"new_gog: %s:%u for %s:%u",gog->cfg->name,gog->id,gop->cfg->name,gop->id); - - gog->avpl = new_avpl(cfg->name); - gog->last_n = 0; - - gog->expiration = 0.0f; - gog->idle_expiration = 0.0f; - - gog->start_time = rd->now; - gog->release_time = 0.0f; - gog->last_time = 0.0f; - - gog->gops = NULL; - gog->last_gop = NULL; - - gog->num_of_gops = 0; - gog->num_of_counting_gops = 0; - gog->num_of_released_gops = 0; - - gog->gog_keys = g_ptr_array_new(); - - adopt_gop(gog,gop); - - return gog; -} - -static void apply_transforms(GPtrArray* transforms, AVPL* avpl) { - AVPL_Transf* transform = NULL; - guint i; - - for (i = 0; i < transforms->len; i++) { - transform = (AVPL_Transf *)g_ptr_array_index(transforms,i); - avpl_transform(avpl, transform); - } -} - - -/* applies the extras for which type to what avpl */ -static void apply_extras(AVPL* from, AVPL* to, AVPL* extras) { - AVPL* our_extras = new_avpl_loose_match("",from, extras, FALSE) ; - - if (our_extras) { - merge_avpl(to,our_extras,TRUE); - delete_avpl(our_extras,FALSE); - } -} - -static void gog_remove_keys (mate_gog* gog) { - gogkey* gog_key; - - while (gog->gog_keys->len) { - gog_key = (gogkey *)g_ptr_array_remove_index_fast(gog->gog_keys,0); - - if (g_hash_table_lookup(gog_key->cfg->gog_index,gog_key->key) == gog) { - g_hash_table_remove(gog_key->cfg->gog_index,gog_key->key); - } - - g_free(gog_key->key); - g_free(gog_key); - } - -} - -static void reanalyze_gop(mate_config* mc, mate_gop* gop) { - LoAL* gog_keys = NULL; - AVPL* curr_gogkey = NULL; - mate_cfg_gop* gop_cfg = NULL; - void* cookie = NULL; - AVPL* gogkey_match = NULL; - mate_gog* gog = gop->gog; - gogkey* gog_key; - - if ( ! gog ) return; - - gog->last_time = rd->now; - - dbg_print (dbg_gog,1,dbg_facility,"reanalyze_gop: %s:%d",gop->cfg->name,gop->id); - - apply_extras(gop->avpl,gog->avpl,gog->cfg->extra); - - /* XXX: Instead of using the length of the avpl to check if an avpl has changed, - which is not accurate at all, we should have apply_extras, - apply_transformations and other functions that can modify the avpl - to flag the avpl if it has changed, then we'll check for the flag - and clear it after analysis */ - - if (gog->last_n != gog->avpl->len) { - - dbg_print (dbg_gog,2,dbg_facility,"reanalyze_gop: gog has new attributes let's look for new keys"); - - gog_keys = gog->cfg->keys; - - while (( curr_gogkey = get_next_avpl(gog_keys,&cookie) )) { - gop_cfg = (mate_cfg_gop *)g_hash_table_lookup(mc->gopcfgs,curr_gogkey->name); - - if (( gogkey_match = new_avpl_pairs_match(gop_cfg->name, gog->avpl, curr_gogkey, TRUE, FALSE) )) { - - gog_key = (gogkey *)g_malloc(sizeof(gogkey)); - - gog_key->key = avpl_to_str(gogkey_match); - delete_avpl(gogkey_match,FALSE); - - gog_key->cfg = gop_cfg; - - if (g_hash_table_lookup(gop_cfg->gog_index,gog_key->key)) { - g_free(gog_key->key); - g_free(gog_key); - gog_key = NULL; - } - - if (! gog_key ) { - /* XXX: since these gogs actually share key info - we should try to merge (non released) gogs - that happen to have equal keys */ - } else { - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: new key for gog=%s:%d : %s",gog->cfg->name,gog->id,gog_key->key); - g_ptr_array_add(gog->gog_keys,gog_key); - g_hash_table_insert(gog_key->cfg->gog_index,gog_key->key,gog); - } - - } - } - - gog->last_n = gog->avpl->len; - } - - if (gog->num_of_released_gops == gog->num_of_counting_gops) { - gog->released = TRUE; - gog->expiration = gog->cfg->expiration + rd->now; - } else { - gog->released = FALSE; - } -} - -static void analyze_gop(mate_config* mc, mate_gop* gop) { - mate_cfg_gog* cfg = NULL; - LoAL* gog_keys = NULL; - AVPL* curr_gogkey = NULL; - void* cookie = NULL; - AVPL* gogkey_match = NULL; - mate_gog* gog = NULL; - gchar* key = NULL; - - if ( ! gop->gog ) { - /* no gog, let's either find one or create it if due */ - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: no gog"); - - gog_keys = (LoAL *)g_hash_table_lookup(mc->gogs_by_gopname,gop->cfg->name); - - if ( ! gog_keys ) { - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: no gog_keys for this gop"); - return; - } - - /* We have gog_keys! look for matching gogkeys */ - - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: got gog_keys: %s",gog_keys->name) ; - - while (( curr_gogkey = get_next_avpl(gog_keys,&cookie) )) { - if (( gogkey_match = new_avpl_pairs_match(gop->cfg->name, gop->avpl, curr_gogkey, TRUE, TRUE) )) { - - key = avpl_to_str(gogkey_match); - - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: got gogkey_match: %s",key); - - if (( gog = (mate_gog *)g_hash_table_lookup(gop->cfg->gog_index,key) )) { - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: got already a matching gog"); - - if (gog->num_of_counting_gops == gog->num_of_released_gops && gog->expiration < rd->now) { - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: this is a new gog, not the old one, let's create it"); - - gog_remove_keys(gog); - - new_gog(gog->cfg,gop); - - break; - } else { - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: this is our gog"); - - if (! gop->gog ) adopt_gop(gog,gop); - - break; - } - } else { - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: no such gog in hash, let's create a new %s",curr_gogkey->name); - - cfg = (mate_cfg_gog *)g_hash_table_lookup(mc->gogcfgs,curr_gogkey->name); - - if (cfg) { - gog = new_gog(cfg,gop); - gog->num_of_gops = 1; - - if (gop->cfg->start) { - gog->num_of_counting_gops = 1; - } - - } else { - dbg_print (dbg_gog,0,dbg_facility,"analyze_gop: no such gog_cfg: %s",curr_gogkey->name); - } - - break; - } - - /** Can't get here because of "breaks" above */ - g_assert_not_reached(); - } - - dbg_print (dbg_gog,1,dbg_facility,"analyze_gop: no gogkey_match: %s",key); - } /* while */ - - g_free(key); - key = NULL; - - if (gogkey_match) delete_avpl(gogkey_match,TRUE); - - reanalyze_gop(mc, gop); - } -} - - - -static void analyze_pdu(mate_config* mc, mate_pdu* pdu) { - /* TODO: - return a g_boolean to tell we've destroyed the pdu when the pdu is unnassigned - destroy the unassigned pdu - */ - mate_cfg_gop* cfg = NULL; - mate_gop* gop = NULL; - gchar* gop_key; - gchar* orig_gop_key = NULL; - AVPL* candidate_start = NULL; - AVPL* candidate_stop = NULL; - AVPL* is_start = NULL; - AVPL* is_stop = NULL; - AVPL* gopkey_match = NULL; - LoAL* gog_keys = NULL; - AVPL* curr_gogkey = NULL; - void* cookie = NULL; - AVPL* gogkey_match = NULL; - gchar* gogkey_str = NULL; - - dbg_print (dbg_gop,1,dbg_facility,"analyze_pdu: %s",pdu->cfg->name); - - if (! (cfg = (mate_cfg_gop *)g_hash_table_lookup(mc->gops_by_pduname,pdu->cfg->name)) ) - return; - - if ((gopkey_match = new_avpl_pairs_match("gop_key_match", pdu->avpl, cfg->key, TRUE, TRUE))) { - gop_key = avpl_to_str(gopkey_match); - - g_hash_table_lookup_extended(cfg->gop_index,(gconstpointer)gop_key,(gpointer *)&orig_gop_key,(gpointer *)&gop); - - if ( gop ) { - g_free(gop_key); - - /* is the gop dead ? */ - if ( ! gop->released && - ( ( gop->cfg->lifetime > 0.0 && gop->time_to_die >= rd->now) || - ( gop->cfg->idle_timeout > 0.0 && gop->time_to_timeout >= rd->now) ) ) { - dbg_print (dbg_gop,4,dbg_facility,"analyze_pdu: expiring released gop"); - gop->released = TRUE; - - if (gop->gog && gop->cfg->start) gop->gog->num_of_released_gops++; - } - - /* TODO: is the gop expired? */ - - gop_key = orig_gop_key; - - dbg_print (dbg_gop,2,dbg_facility,"analyze_pdu: got gop: %s",gop_key); - - if (( candidate_start = cfg->start )) { - - dbg_print (dbg_gop,2,dbg_facility,"analyze_pdu: got candidate start"); - - if (( is_start = new_avpl_pairs_match("", pdu->avpl, candidate_start, TRUE, FALSE) )) { - delete_avpl(is_start,FALSE); - if ( gop->released ) { - dbg_print (dbg_gop,3,dbg_facility,"analyze_pdu: start on released gop, let's create a new gop"); - - g_hash_table_remove(cfg->gop_index,gop_key); - gop->gop_key = NULL; - gop = new_gop(cfg,pdu,gop_key); - g_hash_table_insert(cfg->gop_index,gop_key,gop); - } else { - dbg_print (dbg_gop,1,dbg_facility,"analyze_pdu: duplicate start on gop"); - } - } - } - - pdu->gop = gop; - - if (gop->last_pdu) gop->last_pdu->next = pdu; - gop->last_pdu = pdu; - pdu->next = NULL; - pdu->time_in_gop = rd->now - gop->start_time; - - if (gop->released) pdu->after_release = TRUE; - - } else { - - dbg_print (dbg_gop,1,dbg_facility,"analyze_pdu: no gop already"); - - if ( ! cfg->start ) { - /* there is no GopStart, we'll check for matching GogKeys - if we have one we'll create the Gop */ - - apply_extras(pdu->avpl,gopkey_match,cfg->extra); - - gog_keys = (LoAL *)g_hash_table_lookup(mc->gogs_by_gopname,cfg->name); - - if (gog_keys) { - - while (( curr_gogkey = get_next_avpl(gog_keys,&cookie) )) { - if (( gogkey_match = new_avpl_pairs_match(cfg->name, gopkey_match, curr_gogkey, TRUE, FALSE) )) { - gogkey_str = avpl_to_str(gogkey_match); - - if (g_hash_table_lookup(cfg->gog_index,gogkey_str)) { - gop = new_gop(cfg,pdu,gop_key); - g_hash_table_insert(cfg->gop_index,gop_key,gop); - delete_avpl(gogkey_match,FALSE); - g_free(gogkey_str); - break; - } else { - delete_avpl(gogkey_match,FALSE); - g_free(gogkey_str); - } - } - } - - if ( ! gop ) { - g_free(gop_key); - delete_avpl(gopkey_match,TRUE); - return; - } - - } else { - g_free(gop_key); - delete_avpl(gopkey_match,TRUE); - return; - } - - } else { - candidate_start = cfg->start; - - if (( is_start = new_avpl_pairs_match("", pdu->avpl, candidate_start, TRUE, FALSE) )) { - delete_avpl(is_start,FALSE); - gop = new_gop(cfg,pdu,gop_key); - } else { - g_free(gop_key); - return; - } - - pdu->gop = gop; - } - } - - if (gop->last_pdu) gop->last_pdu->next = pdu; - gop->last_pdu = pdu; - pdu->next = NULL; - - pdu->time_in_gop = rd->now - gop->start_time; - - gop->num_of_pdus++; - gop->time_to_timeout = cfg->idle_timeout > 0.0 ? cfg->idle_timeout + rd->now : (float) -1.0 ; - - dbg_print (dbg_gop,4,dbg_facility,"analyze_pdu: merge with key"); - - merge_avpl(gop->avpl,gopkey_match,TRUE); - delete_avpl(gopkey_match,TRUE); - - dbg_print (dbg_gop,4,dbg_facility,"analyze_pdu: apply extras"); - - apply_extras(pdu->avpl,gop->avpl,gop->cfg->extra); - - gop->last_time = pdu->rel_time; - - if ( ! gop->released) { - candidate_stop = cfg->stop; - - if (candidate_stop) { - is_stop = new_avpl_pairs_match("", pdu->avpl, candidate_stop, TRUE, FALSE); - } else { - is_stop = new_avpl(""); - } - - if(is_stop) { - dbg_print (dbg_gop,1,dbg_facility,"analyze_pdu: is a `stop"); - delete_avpl(is_stop,FALSE); - - if (! gop->released) { - gop->released = TRUE; - gop->release_time = pdu->rel_time; - if (gop->gog && gop->cfg->start) gop->gog->num_of_released_gops++; - } - - pdu->is_stop = TRUE; - - } - } - - if (gop->last_n != gop->avpl->len) apply_transforms(gop->cfg->transforms,gop->avpl); - - gop->last_n = gop->avpl->len; - - if (gop->gog) { - reanalyze_gop(mc, gop); - } else { - analyze_gop(mc, gop); - } - - } else { - dbg_print (dbg_gop,4,dbg_facility,"analyze_pdu: no match for this pdu"); - - pdu->gop = NULL; - } -} - -static void get_pdu_fields(gpointer k, gpointer v, gpointer p) { - int hfid = *((int*) k); - gchar* name = (gchar*) v; - tmp_pdu_data* data = (tmp_pdu_data*) p; - GPtrArray* fis; - field_info* fi; - guint i,j; - mate_range* curr_range; - guint start; - guint end; - AVP* avp; - gchar* s; - - - fis = proto_get_finfo_ptr_array(data->tree, hfid); - - if (fis) { - for (i = 0; i < fis->len; i++) { - fi = (field_info*) g_ptr_array_index(fis,i); - - - start = fi->start; - end = fi->start + fi->length; - - dbg_print(dbg_pdu,5,dbg_facility,"get_pdu_fields: found field %i-%i",start,end); - - for (j = 0; j < data->ranges->len; j++) { - - curr_range = (mate_range*) g_ptr_array_index(data->ranges,j); - - if (curr_range->end >= end && curr_range->start <= start) { - avp = new_avp_from_finfo(name, fi); - - if (*dbg_pdu > 4) { - s = avp_to_str(avp); - dbg_print(dbg_pdu,0,dbg_facility,"get_pdu_fields: got %s",s); - g_free(s); - } - - if (! insert_avp(data->pdu->avpl,avp) ) { - delete_avp(avp); - } - - } - } - } - } -} - -static mate_pdu* new_pdu(mate_cfg_pdu* cfg, guint32 framenum, field_info* proto, proto_tree* tree) { - mate_pdu* pdu = (mate_pdu*)g_slice_new(mate_max_size); - field_info* cfi; - GPtrArray* ptrs; - mate_range* range; - mate_range* proto_range; - tmp_pdu_data data; - guint i,j; - gint min_dist; - field_info* range_fi; - gint32 last_start; - gint32 first_end; - gint32 curr_end; - int hfid; - - dbg_print (dbg_pdu,1,dbg_facility,"new_pdu: type=%s framenum=%i",cfg->name,framenum); - - pdu->id = ++(cfg->last_id); - pdu->cfg = cfg; - - pdu->avpl = new_avpl(cfg->name); - - pdu->frame = framenum; - pdu->next_in_frame = NULL; - pdu->rel_time = rd->now; - - pdu->gop = NULL; - pdu->next = NULL; - pdu->time_in_gop = -1.0f; - - pdu->first = FALSE; - pdu->is_start = FALSE; - pdu->is_stop = FALSE; - pdu->after_release = FALSE; - - data.ranges = g_ptr_array_new(); - data.pdu = pdu; - data.tree = tree; - - /* first we create the proto range */ - proto_range = (mate_range *)g_malloc(sizeof(mate_range)); - proto_range->start = proto->start; - proto_range->end = proto->start + proto->length; - g_ptr_array_add(data.ranges,proto_range); - - dbg_print(dbg_pdu,3,dbg_facility,"new_pdu: proto range %u-%u",proto_range->start,proto_range->end); - - last_start = proto_range->start; - - /* we move forward in the tranport */ - for (i = cfg->transport_ranges->len; i--; ) { - hfid = *((int*)g_ptr_array_index(cfg->transport_ranges,i)); - ptrs = proto_get_finfo_ptr_array(tree, hfid); - min_dist = 99999; - range_fi = NULL; - - if (ptrs) { - for (j=0; j < ptrs->len; j++) { - cfi = (field_info*) g_ptr_array_index(ptrs,j); - if (cfi->start < last_start && min_dist >= (last_start - cfi->start) ) { - range_fi = cfi; - min_dist = last_start - cfi->start; - } - } - - if ( range_fi ) { - range = (mate_range *)g_malloc(sizeof(*range)); - range->start = range_fi->start; - range->end = range_fi->start + range_fi->length; - g_ptr_array_add(data.ranges,range); - - last_start = range_fi->start; - - dbg_print(dbg_pdu,3,dbg_facility,"new_pdu: transport(%i) range %i-%i",hfid,range->start,range->end); - } else { - /* we missed a range */ - dbg_print(dbg_pdu,6,dbg_facility,"new_pdu: transport(%i) missed",hfid); - } - - } - } - - if (cfg->payload_ranges) { - - first_end = proto_range->end; - - for (i = 0 ; i < cfg->payload_ranges->len; i++) { - hfid = *((int*)g_ptr_array_index(cfg->payload_ranges,i)); - ptrs = proto_get_finfo_ptr_array(tree, hfid); - min_dist = 99999; - range_fi = NULL; - - if (ptrs) { - for (j=0; j < ptrs->len; j++) { - cfi = (field_info*) g_ptr_array_index(ptrs,j); - curr_end = cfi->start + cfi->length; - if (curr_end > first_end && min_dist >= (curr_end - first_end) ) { - range_fi = cfi; - min_dist = curr_end - first_end; - } - } - - if ( range_fi ) { - range = (mate_range *)g_malloc(sizeof(*range)); - range->start = range_fi->start; - range->end = range_fi->start + range_fi->length; - g_ptr_array_add(data.ranges,range); - - dbg_print(dbg_pdu,3,dbg_facility,"new_pdu: payload(%i) range %i-%i",hfid,range->start,range->end); - } else { - /* we missed a range */ - dbg_print(dbg_pdu,5,dbg_facility,"new_pdu: payload(%i) missed",hfid); - } - - } - } - } - - g_hash_table_foreach(cfg->hfids_attr,get_pdu_fields,&data); - - apply_transforms(pdu->cfg->transforms,pdu->avpl); - - g_ptr_array_foreach(data.ranges, (GFunc)g_free, NULL); - g_ptr_array_free(data.ranges,TRUE); - - return pdu; -} - - -extern void mate_analyze_frame(mate_config *mc, packet_info *pinfo, proto_tree* tree) { - mate_cfg_pdu* cfg; - GPtrArray* protos; - field_info* proto; - guint i,j; - AVPL* criterium_match; - - mate_pdu* pdu = NULL; - mate_pdu* last = NULL; - - rd->now = (float) nstime_to_sec(&pinfo->rel_ts); - - if ( proto_tracking_interesting_fields(tree) - && rd->highest_analyzed_frame < pinfo->num ) { - for ( i = 0; i < mc->pducfglist->len; i++ ) { - - cfg = (mate_cfg_pdu *)g_ptr_array_index(mc->pducfglist,i); - - dbg_print (dbg_pdu,4,dbg_facility,"mate_analyze_frame: trying to extract: %s",cfg->name); - protos = proto_get_finfo_ptr_array(tree, cfg->hfid_proto); - - if (protos) { - pdu = NULL; - - for (j = 0; j < protos->len; j++) { - - dbg_print (dbg_pdu,3,dbg_facility,"mate_analyze_frame: found matching proto, extracting: %s",cfg->name); - - proto = (field_info*) g_ptr_array_index(protos,j); - pdu = new_pdu(cfg, pinfo->num, proto, tree); - - if (cfg->criterium) { - criterium_match = new_avpl_from_match(cfg->criterium_match_mode,"",pdu->avpl,cfg->criterium,FALSE); - - if (criterium_match) { - delete_avpl(criterium_match,FALSE); - } - - if ( (criterium_match && cfg->criterium_accept_mode == REJECT_MODE ) - || ( ! criterium_match && cfg->criterium_accept_mode == ACCEPT_MODE )) { - - delete_avpl(pdu->avpl,TRUE); - g_slice_free(mate_max_size,(mate_max_size*)pdu); - pdu = NULL; - - continue; - } - } - - analyze_pdu(mc, pdu); - - if ( ! pdu->gop && cfg->drop_unassigned) { - delete_avpl(pdu->avpl,TRUE); - g_slice_free(mate_max_size,(mate_max_size*)pdu); - pdu = NULL; - continue; - } - - if ( cfg->discard ) { - delete_avpl(pdu->avpl,TRUE); - pdu->avpl = NULL; - } - - if (!last) { - g_hash_table_insert(rd->frames,GINT_TO_POINTER(pinfo->num),pdu); - last = pdu; - } else { - last->next_in_frame = pdu; - last = pdu; - } - - } - - if ( pdu && cfg->last_extracted ) break; - } - } - - rd->highest_analyzed_frame = pinfo->num; - } -} - -extern mate_pdu* mate_get_pdus(guint32 framenum) { - - if (rd) { - return (mate_pdu*) g_hash_table_lookup(rd->frames,GUINT_TO_POINTER(framenum)); - } else { - return NULL; - } -} - -/* - * Editor modelines - http://www.wireshark.org/tools/modelines.html - * - * Local variables: - * c-basic-offset: 8 - * tab-width: 8 - * indent-tabs-mode: t - * End: - * - * vi: set shiftwidth=8 tabstop=8 noexpandtab: - * :indentSize=8:tabSize=8:noTabs=false: - */ |