struct cell* build_cell( struct sip_msg* p_msg )
{
struct cell* new_cell;
unsigned int i;
unsigned int myrand;
int size;
char *c;
struct ua_client *uac;
/* avoid 'unitialized var use' warning */
myrand=0;
/* allocs a new cell */
new_cell = (struct cell*)shm_malloc( sizeof( struct cell ) );
if ( !new_cell ) {
ser_error=E_OUT_OF_MEM;
return NULL;
}
/* filling with 0 */
memset( new_cell, 0, sizeof( struct cell ) );
/* UAS */
#ifdef EXTRA_DEBUG
new_cell->uas.response.retr_timer.tg=TG_RT;
new_cell->uas.response.fr_timer.tg=TG_FR;
#endif
new_cell->uas.response.fr_timer.payload =
new_cell->uas.response.retr_timer.payload = &(new_cell->uas.response);
new_cell->uas.response.my_T=new_cell;
/* bogdan - debug */
/*fprintf(stderr,"before clone VIA |%.*s|\n",via_len(p_msg->via1),
via_s(p_msg->via1,p_msg));*/
/* enter callback, which may potentially want to parse some stuff,
before the request is shmem-ized
*/
if (p_msg) callback_event(TMCB_REQUEST_IN, new_cell, p_msg,
p_msg->REQ_METHOD );
if (p_msg) {
new_cell->uas.request = sip_msg_cloner(p_msg);
if (!new_cell->uas.request)
goto error;
}
/* new_cell->uas.to_tag = &( get_to(new_cell->uas.request)->tag_value ); */
new_cell->uas.response.my_T = new_cell;
/* UAC */
for(i=0;i<MAX_BRANCHES;i++)
{
uac=&new_cell->uac[i];
uac->request.my_T = new_cell;
uac->request.branch = i;
#ifdef EXTRA_DEBUG
uac->request.fr_timer.tg = TG_FR;
uac->request.retr_timer.tg = TG_RT;
#endif
uac->request.retr_timer.payload =
uac->request.fr_timer.payload = &uac->request;
uac->local_cancel=uac->request;
}
/* global data for transaction */
if (p_msg) {
new_cell->hash_index = p_msg->hash_index;
} else {
/* note: unsatisfactory if
RAND_MAX < TABLE_ENTRIES
*/
myrand = rand();
new_cell->hash_index = myrand % TABLE_ENTRIES ;
}
new_cell->wait_tl.payload = new_cell;
new_cell->dele_tl.payload = new_cell;
new_cell->relaied_reply_branch = -1;
/* new_cell->T_canceled = T_UNDEFINED; */
#ifdef EXTRA_DEBUG
new_cell->wait_tl.tg=TG_WT;
new_cell->dele_tl.tg=TG_DEL;
#endif
if (!syn_branch) {
if (p_msg) {
/* char value of a proxied transaction is
calculated out of header-fileds forming
transaction key
*/
char_msg_val( p_msg, new_cell->md5 );
} else {
/* char value for a UAC transaction is created
randomly -- UAC is an originating stateful element
which cannot be refreshed, so the value can be
anything
*/
/* HACK : not long enough */
c=new_cell->md5;
size=MD5_LEN;
memset(c, '0', size );
int2reverse_hex( &c, &size, myrand );
}
}
init_cell_lock( new_cell );
return new_cell;
error:
shm_free(new_cell);
return NULL;
}
struct cell* build_cell( struct sip_msg* p_msg )
{
struct cell* new_cell;
int sip_msg_len;
avp_list_t* old;
/* allocs a new cell */
new_cell = (struct cell*)shm_malloc( sizeof( struct cell ) );
if ( !new_cell ) {
ser_error=E_OUT_OF_MEM;
return NULL;
}
/* filling with 0 */
memset( new_cell, 0, sizeof( struct cell ) );
/* UAS */
new_cell->uas.response.my_T=new_cell;
init_rb_timers(&new_cell->uas.response);
/* timers */
init_cell_timers(new_cell);
old = set_avp_list(AVP_TRACK_FROM | AVP_CLASS_URI, &new_cell->uri_avps_from );
new_cell->uri_avps_from = *old;
*old = 0;
old = set_avp_list(AVP_TRACK_TO | AVP_CLASS_URI, &new_cell->uri_avps_to );
new_cell->uri_avps_to = *old;
*old = 0;
old = set_avp_list(AVP_TRACK_FROM | AVP_CLASS_USER, &new_cell->user_avps_from );
new_cell->user_avps_from = *old;
*old = 0;
old = set_avp_list(AVP_TRACK_TO | AVP_CLASS_USER, &new_cell->user_avps_to );
new_cell->user_avps_to = *old;
*old = 0;
/* We can just store pointer to domain avps in the transaction context,
* because they are read-only
*/
new_cell->domain_avps_from = get_avp_list(AVP_TRACK_FROM | AVP_CLASS_DOMAIN);
new_cell->domain_avps_to = get_avp_list(AVP_TRACK_TO | AVP_CLASS_DOMAIN);
/* enter callback, which may potentially want to parse some stuff,
* before the request is shmem-ized */
if ( p_msg && has_reqin_tmcbs() )
run_reqin_callbacks( new_cell, p_msg, p_msg->REQ_METHOD);
if (p_msg) {
/* clean possible previous added vias/clen header or else they would
* get propagated in the failure routes */
free_via_clen_lump(&p_msg->add_rm);
new_cell->uas.request = sip_msg_cloner(p_msg,&sip_msg_len);
if (!new_cell->uas.request)
goto error;
new_cell->uas.end_request=((char*)new_cell->uas.request)+sip_msg_len;
}
/* UAC */
init_branches(new_cell);
new_cell->relayed_reply_branch = -1;
/* new_cell->T_canceled = T_UNDEFINED; */
init_synonym_id(new_cell);
init_cell_lock( new_cell );
return new_cell;
error:
destroy_avp_list(&new_cell->user_avps_from);
destroy_avp_list(&new_cell->user_avps_to);
destroy_avp_list(&new_cell->uri_avps_from);
destroy_avp_list(&new_cell->uri_avps_to);
shm_free(new_cell);
/* unlink transaction AVP list and link back the global AVP list (bogdan)*/
reset_avps();
return NULL;
}
