static void
re_probe (ConnCacheEntry *e)
{
Listitem *item;
struct timeval tv;
assert (e->probe != NULL);
gettimeofday (&tv, NULL);
if (e->probe_le) {
listdel (connprobelist, e->probe_le);
e->probe_next = min(tv.tv_sec + (1 << e->ntries), e->probe_next);
} else
e->probe_next = tv.tv_sec + (1 << e->ntries);
if (e->ntries <= MAX_RETRIES)
++e->ntries;
for (item = listhead (connprobelist);
item;
item = listnext (connprobelist, item)) {
ConnCacheEntry *this = (ConnCacheEntry *)listdata (item);
if (e->probe_next < this->probe_next) {
e->probe_le = listaddbefore (connprobelist, item, e);
LWP_NoYieldSignal (connprobelist);
return;
}
}
e->probe_le = listaddtail (connprobelist, e);
LWP_NoYieldSignal (connprobelist);
}
static int
iter_vol (List *list, Listitem *li, void *arg)
{
struct iter_vol_s *vof = (struct iter_vol_s *)arg;
volume_handle *vol = listdata (li);
int ret;
vld_ref (vol);
ret = (vof->func) (vol, vof->arg);
vld_free (vol);
return ret;
}
static void
pinger (char *arg)
{
for (;;) {
struct timeval tv;
Listitem *item;
ConnCacheEntry *e;
struct in_addr addr;
const char *port_str;
arla_warnx(ADEBCONN, "running pinger");
while (listemptyp (connprobelist))
LWP_WaitProcess (connprobelist);
item = listhead (connprobelist);
e = (ConnCacheEntry *)listdata (item);
assert (e->probe_le == item);
gettimeofday (&tv, NULL);
if (tv.tv_sec < e->probe_next) {
unsigned long t = e->probe_next - tv.tv_sec;
arla_warnx(ADEBCONN,
"pinger: sleeping %lu second(s)", t);
IOMGR_Sleep (t);
continue;
}
listdel (connprobelist, item);
e->probe_le = NULL;
if (e->flags.alivep)
continue;
addr.s_addr = e->host;
port_str = ports_num2name (e->port);
if (port_str != NULL)
arla_warnx (ADEBCONN, "pinger: probing %s/%s",
inet_ntoa(addr), port_str);
else
arla_warnx (ADEBCONN, "pinger: probing %s/%d",
inet_ntoa(addr), e->port);
++e->refcount;
if (e->probe == NULL)
arla_warnx(ADEBWARN, "pinger: probe function is NULL, "
"host: %s cell: %d port: %d",
inet_ntoa(addr), e->cell, e->port);
if (connected_mode == DISCONNECTED) {
arla_warnx(ADEBCONN, "pinger: ignoring host in disconnected mode");
} else if (e->probe && ((*(e->probe))(e->connection) == 0)) {
conn_alive (e);
} else {
re_probe (e);
}
conn_free (e);
}
}
