/**
* 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;
}
}
}
}
/* 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);
}
}
extern AVPL* new_avpl_from_match(avpl_match_mode mode, const gchar* name,AVPL* src, AVPL* op, gboolean copy_avps) {
AVPL* avpl = NULL;
switch (mode) {
case AVPL_STRICT:
avpl = new_avpl_exact_match(name,src,op,copy_avps);
break;
case AVPL_LOOSE:
avpl = new_avpl_loose_match(name,src,op,copy_avps);
break;
case AVPL_EVERY:
avpl = new_avpl_every_match(name,src,op,copy_avps);
break;
case AVPL_NO_MATCH:
avpl = new_avpl_from_avpl(name,src,copy_avps);
merge_avpl(avpl, op, copy_avps);
break;
}
return avpl;
}
static void analyze_pdu(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 = g_hash_table_lookup(mc->gops_by_pduname,pdu->cfg->name)) )
return;
if ((gopkey_match = new_avpl_exact_match("gop_key_match",pdu->avpl,cfg->key, 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_exact_match("",pdu->avpl, candidate_start, 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 = 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_exact_match(cfg->name,gopkey_match,curr_gogkey,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_exact_match("",pdu->avpl, candidate_start, 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_exact_match("",pdu->avpl, candidate_stop,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(gop);
} else {
analyze_gop(gop);
}
} else {
dbg_print (dbg_gop,4,dbg_facility,"analyze_pdu: no match for this pdu");
pdu->gop = NULL;
}
}
static void analyze_gog_config(gpointer k _U_, gpointer v, gpointer p _U_) {
mate_cfg_gog* cfg = v;
void* avp_cookie;
void* avpl_cookie;
AVP* avp;
AVPL* avpl;
AVPL* gopkey_avpl;
AVPL* key_avps;
LoAL* gog_keys = NULL;
hf_register_info hfri = { NULL, {NULL, NULL, FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL}};
gint* ett;
/* create the hf array for this gog */
hfri.p_id = &(cfg->hfid);
hfri.hfinfo.name = g_strdup(cfg->name);
hfri.hfinfo.abbrev = g_strdup_printf("mate.%s",cfg->name);
hfri.hfinfo.blurb = g_strdup_printf("%s Id",cfg->name);
hfri.hfinfo.type = FT_UINT32;
hfri.hfinfo.display = BASE_DEC;
g_array_append_val(matecfg->hfrs,hfri);
hfri.p_id = &(cfg->hfid_gog_num_of_gops);
hfri.hfinfo.name = "number of GOPs";
hfri.hfinfo.abbrev = g_strdup_printf("mate.%s.NumOfGops",cfg->name);
hfri.hfinfo.type = FT_UINT32;
hfri.hfinfo.display = BASE_DEC;
hfri.hfinfo.blurb = g_strdup_printf("Number of GOPs assigned to this %s",cfg->name);
g_array_append_val(matecfg->hfrs,hfri);
hfri.p_id = &(cfg->hfid_gog_gopstart);
hfri.hfinfo.name = "GopStart frame";
hfri.hfinfo.abbrev = g_strdup_printf("mate.%s.GopStart",cfg->name);
hfri.hfinfo.type = FT_FRAMENUM;
hfri.hfinfo.display = BASE_NONE;
hfri.hfinfo.blurb = g_strdup("The start frame of a GOP");
g_array_append_val(matecfg->hfrs,hfri);
hfri.p_id = &(cfg->hfid_gog_gopstop);
hfri.hfinfo.name = "GopStop frame";
hfri.hfinfo.abbrev = g_strdup_printf("mate.%s.GopStop",cfg->name);
hfri.hfinfo.type = FT_FRAMENUM;
hfri.hfinfo.display = BASE_NONE;
hfri.hfinfo.blurb = g_strdup("The stop frame of a GOP");
g_array_append_val(matecfg->hfrs,hfri);
hfri.p_id = &(cfg->hfid_start_time);
hfri.hfinfo.name = g_strdup_printf("%s start time",cfg->name);
hfri.hfinfo.abbrev = g_strdup_printf("mate.%s.StartTime",cfg->name);
hfri.hfinfo.type = FT_FLOAT;
hfri.hfinfo.blurb = g_strdup_printf("Seconds passed since the beginning of capture to the start of this %s",cfg->name);
g_array_append_val(matecfg->hfrs,hfri);
hfri.p_id = &(cfg->hfid_last_time);
hfri.hfinfo.name = g_strdup_printf("%s duration",cfg->name);
hfri.hfinfo.abbrev = g_strdup_printf("mate.%s.Duration",cfg->name);
hfri.hfinfo.blurb = g_strdup_printf("Time passed between the start of this %s and the last pdu assigned to it",cfg->name);
g_array_append_val(matecfg->hfrs,hfri);
/* this might become mate.gogname.gopname */
hfri.p_id = &(cfg->hfid_gog_gop);
hfri.hfinfo.name = "a GOP";
hfri.hfinfo.abbrev = g_strdup_printf("mate.%s.Gop",cfg->name);
hfri.hfinfo.type = FT_STRING;
hfri.hfinfo.display = BASE_NONE;
hfri.hfinfo.blurb = g_strdup_printf("a GOPs assigned to this %s",cfg->name);
g_array_append_val(matecfg->hfrs,hfri);
/* index the keys of gog for every gop
and insert the avps of the keys to the hfarray */
key_avps = new_avpl("");
avpl_cookie = NULL;
while (( avpl = get_next_avpl(cfg->keys,&avpl_cookie) )) {
if (! ( gog_keys = g_hash_table_lookup(matecfg->gogs_by_gopname,avpl->name))) {
gog_keys = new_loal(avpl->name);
g_hash_table_insert(matecfg->gogs_by_gopname,gog_keys->name,gog_keys);
}
gopkey_avpl = new_avpl_from_avpl(cfg->name, avpl, TRUE);
loal_append(gog_keys,gopkey_avpl);
avp_cookie = NULL;
while (( avp = get_next_avp(avpl,&avp_cookie) )) {
if (! g_hash_table_lookup(cfg->my_hfids,avp->n)) {
new_attr_hfri(cfg->name,cfg->my_hfids,avp->n);
insert_avp(key_avps,avp);
}
}
}
/* insert the extra avps to the hfarray */
avp_cookie = NULL;
while (( avp = get_next_avp(cfg->extra,&avp_cookie) )) {
if (! g_hash_table_lookup(cfg->my_hfids,avp->n)) {
new_attr_hfri(cfg->name,cfg->my_hfids,avp->n);
}
}
/* every key_avp ios an extra as well.
one day every Member will have its own extras */
merge_avpl(cfg->extra,key_avps,TRUE);
analyze_transform_hfrs(cfg->name,cfg->transforms,cfg->my_hfids);
ett = &cfg->ett;
g_array_append_val(matecfg->ett,ett);
ett = &cfg->ett_attr;
g_array_append_val(matecfg->ett,ett);
ett = &cfg->ett_children;
g_array_append_val(matecfg->ett,ett);
ett = &cfg->ett_times;
g_array_append_val(matecfg->ett,ett);
ett = &cfg->ett_gog_gop;
g_array_append_val(matecfg->ett,ett);
}