int get_redirect( struct sip_msg *msg , int maxt, int maxb,
pv_elem_t *reason)
{
struct cell *t;
int max;
int cts_added;
int n;
int i;
/* get transaction */
t = rd_tmb.t_gett();
if (t==T_UNDEFINED || t==T_NULL_CELL)
{
LM_CRIT("no current transaction found\n");
goto error;
}
LM_DBG("resume branch=%d\n", t->first_branch);
cts_added = 0; /* no contact added */
/* look if there are any 3xx branches starting from resume_branch */
for( i=t->first_branch ; i<t->nr_of_outgoings ; i++) {
LM_DBG("checking branch=%d (added=%d)\n", i, cts_added);
/* is a redirected branch? */
if (t->uac[i].last_received<300 || t->uac[i].last_received>399)
continue;
LM_DBG("branch=%d is a redirect (added=%d)\n", i, cts_added);
/* ok - we have a new redirected branch -> how many contacts can
* we get from it*/
if (maxb==0) {
max = maxt?(maxt-cts_added):(-1);
} else {
max = maxt?((maxt-cts_added>=maxb)?maxb:(maxt-cts_added)):maxb;
}
if (max==0)
continue;
/* get the contact from it */
n = shmcontact2dset( msg, t->uac[i].reply, max, reason);
if ( n<0 ) {
LM_ERR("get contact from shm_reply branch %d failed\n",i);
/* do not go to error, try next branches */
} else {
/* count the added contacts */
cts_added += n;
}
}
/* return false if no contact was appended */
return (cts_added>0)?1:-1;
error:
return -1;
}
int get_redirect( struct sip_msg *msg , int maxt, int maxb, str *reason)
{
struct cell *t;
str backup_uri;
int max;
int cts_added;
int n;
int i;
/* get transaction */
t = rd_tmb.t_gett();
if (t==T_UNDEFINED || t==T_NULL_CELL)
{
LOG(LOG_CRIT,"BUG:uac_redirect:get_redirect: no current "
"transaction found\n");
goto error;
}
DBG("DEBUG:uac_redirect:get_redirect: resume branch=%d\n",
t->first_branch);
cts_added = 0; /* no contact added */
backup_uri = msg->new_uri; /* shmcontact2dset will ater this value */
/* look if there are any 3xx branches starting from resume_branch */
for( i=t->first_branch ; i<t->nr_of_outgoings ; i++) {
DBG("DEBUG:uac_redirect:get_redirect: checking branch=%d "
"(added=%d)\n", i, cts_added);
/* is a redirected branch? */
if (t->uac[i].last_received<300 || t->uac[i].last_received>399)
continue;
DBG("DEBUG:uac_redirect:get_redirect: branch=%d is a redirect "
"(added=%d)\n", i, cts_added);
/* ok - we have a new redirected branch -> how many contacts can
* we get from it*/
if (maxb==0) {
max = maxt?(maxt-cts_added):(-1);
} else {
max = maxt?((maxt-cts_added>=maxb)?maxb:(maxt-cts_added)):maxb;
}
if (max==0)
continue;
/* get the contact from it */
n = shmcontact2dset( msg, t->uac[i].reply, max, reason);
if ( n<0 ) {
LOG(L_ERR,"ERROR:uac_redirect:get_redirects: get contact from "
"shm_reply branch %d failed\n",i);
/* do not go to error, try next branches */
} else {
/* count the added contacts */
cts_added += n;
}
}
/* restore original new_uri */
msg->new_uri = backup_uri;
/* return false if no contact was appended */
return (cts_added>0)?1:-1;
error:
return -1;
}
int get_redirect( struct sip_msg *msg , int maxt, int maxb,
struct acc_param *reason, unsigned int bflags)
{
struct cell *t;
str backup_uri;
int max;
int cts_added;
int n;
int i;
int first_branch;
char code_buf[INT2STR_MAX_LEN];
/* get transaction */
t = rd_tmb.t_gett();
if (t==T_UNDEFINED || t==T_NULL_CELL)
{
LM_CRIT("no current transaction found\n");
goto error;
}
for(first_branch=t->nr_of_outgoings-1; first_branch>=0; first_branch--)
if(t->uac[first_branch].flags&TM_UAC_FLAG_FB)
break;
if(first_branch<0)
{
LM_CRIT("no current first branch found\n");
goto error;
}
LM_DBG("resume branch=%d\n", first_branch);
cts_added = 0; /* no contact added */
backup_uri = msg->new_uri; /* shmcontact2dset will ater this value */
/* look if there are any 3xx branches starting from resume_branch */
for( i=first_branch ; i<t->nr_of_outgoings ; i++) {
LM_DBG("checking branch=%d (added=%d)\n", i, cts_added);
/* is a redirected branch? */
if (t->uac[i].last_received<300 || t->uac[i].last_received>399)
continue;
LM_DBG("branch=%d is a redirect (added=%d)\n", i, cts_added);
/* ok - we have a new redirected branch -> how many contacts can
* we get from it*/
if (maxb==0) {
max = maxt?(maxt-cts_added):(-1);
} else {
max = maxt?((maxt-cts_added>=maxb)?maxb:(maxt-cts_added)):maxb;
}
if (max==0)
continue;
if(reason!=NULL)
{
/* put the response code into the acc_param reason struct */
reason->code = t->uac[i].last_received;
reason->code_s.s = int2bstr((unsigned long)reason->code, code_buf, &reason->code_s.len);
}
/* get the contact from it */
n = shmcontact2dset( msg, t->uac[i].reply, max, reason, bflags);
if ( n<0 ) {
LM_ERR("get contact from shm_reply branch %d failed\n",i);
/* do not go to error, try next branches */
} else {
/* count the added contacts */
cts_added += n;
}
}
/* restore original new_uri */
msg->new_uri = backup_uri;
/* return false if no contact was appended */
return (cts_added>0)?1:-1;
error:
return -1;
}
