int loop_hunt_bchannel(class PmISDN *port, struct mISDNport *mISDNport)
{
int channel;
int i;
char map[mISDNport->b_num];
struct interface *interface;
struct interface_port *ifport;
chan_trace_header(mISDNport, port, "CHANNEL SELECTION (setup)", DIRECTION_NONE);
add_trace("channel", "reserved", "%d", mISDNport->b_reserved);
if (mISDNport->b_reserved >= mISDNport->b_num) { // of out chan..
add_trace("conclusion", NULL, "all channels are reserved");
end_trace();
return(-34); // no channel
}
/* map all used ports of shared loopback interface */
memset(map, 0, sizeof(map));
interface = interface_first;
while(interface) {
ifport = interface->ifport;
while(ifport) {
if (!strcmp(ifport->portname, options.loopback_lcr)) {
i = 0;
while(i < mISDNport->b_num) {
if (mISDNport->b_port[i])
map[i] = 1;
i++;
}
}
ifport = ifport->next;
}
interface = interface->next;
}
/* find channel */
i = 0;
channel = 0;
while(i < mISDNport->b_num) {
if (!map[i]) {
channel = i+1+(i>=15);
break;
}
i++;
}
if (!channel) {
add_trace("conclusion", NULL, "no channel available");
end_trace();
return(-6); // channel unacceptable
}
add_trace("conclusion", NULL, "channel available");
add_trace("connect", "channel", "%d", channel);
end_trace();
return(channel);
}
void record_trace(char* c)
{
if((NULL != traces) && (update_trace(traces, c)))
{
return;
}
traces = add_trace(traces, create_trace(c));
}
long _likely_trace(bool cond, bool expect,
const char *condstr,
const char *file, unsigned int line)
{
struct trace *p, trace;
init_trace(&trace, condstr, file, line, expect);
p = thash_get(&htable, &trace);
if (!p)
p = add_trace(&trace);
p->count++;
if (cond == expect)
p->right++;
return cond;
}
struct instruction_trace* add_trace(struct instruction_trace* head, struct instruction_trace* p)
{
if(NULL == head)
{
return p;
}
if(NULL == head->next)
{
head->next = p;
p->prev = head;
}
else
{
add_trace(head->next, p);
}
return head;
}
long _likely_trace(bool cond, bool expect,
const char *condstr,
const char *file, unsigned int line)
{
struct trace *p, trace;
if (!htable)
htable = htable_new(rehash, NULL);
init_trace(&trace, condstr, file, line, expect);
p = htable_get(htable, hash_trace(&trace), hash_cmp, &trace);
if (!p)
p = add_trace(condstr, file, line, expect);
p->count++;
if (cond == expect)
p->right++;
return cond;
}
