/**
* avpl_transform:
* @param src the source avpl for the transform operation.
* @param op a pointer to the avpl transformation object to apply.
*
* Applies the "op" transformation to an avpl, matches it and eventually
* replaces or inserts the transformed avps.
*
* Return value: whether the transformation was performed or not.
**/
extern void avpl_transform(AVPL* src, AVPL_Transf* op) {
AVPL* avpl = NULL;
AVPN* cs;
AVPN* cm;
AVPN* n;
#ifdef _AVP_DEBUGGING
dbg_print(dbg_avpl_op,3,dbg_fp,"avpl_transform: src=%X op=%X",src,op);
#endif
for ( ; op ; op = op->next) {
avpl = new_avpl_from_match(op->match_mode, src->name,src, op->match, TRUE);
if (avpl) {
switch (op->replace_mode) {
case AVPL_NO_REPLACE:
delete_avpl(avpl,TRUE);
return;
case AVPL_INSERT:
merge_avpl(src,op->replace,TRUE);
delete_avpl(avpl,TRUE);
return;
case AVPL_REPLACE:
cs = src->null.next;
cm = avpl->null.next;
while(cs->avp) {
if (cm->avp && cs->avp->n == cm->avp->n && cs->avp->v == cm->avp->v) {
n = cs->next;
cs->prev->next = cs->next;
cs->next->prev = cs->prev;
g_slice_free(any_avp_type,(any_avp_type*)cs);
cs = n;
cm = cm->next;
} else {
cs = cs->next;
}
}
merge_avpl(src,op->replace,TRUE);
delete_avpl(avpl,TRUE);
return;
}
}
}
}
extern void mate_analyze_frame(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->fd->rel_ts);
if ( proto_tracking_interesting_fields(tree)
&& rd->highest_analyzed_frame < pinfo->fd->num ) {
for ( i = 0; i < mc->pducfglist->len; i++ ) {
cfg = 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->fd->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(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->fd->num),pdu);
last = pdu;
} else {
last->next_in_frame = pdu;
last = pdu;
}
}
if ( pdu && cfg->last_extracted ) break;
}
}
rd->highest_analyzed_frame = pinfo->fd->num;
}
}
