int
wd_hb_recv(int sock, WdHbPacket * pkt)
{
int rtn;
struct sockaddr_in senderinfo;
socklen_t addrlen;
WdHbPacket buf;
addrlen = sizeof(senderinfo);
rtn = recvfrom(sock, &buf, sizeof(WdHbPacket), 0,
(struct sockaddr *)&senderinfo, &addrlen);
if (rtn < 0)
{
pool_error("wd_hb_recv: failed to receive packet");
return WD_NG;
}
else if (rtn == 0)
{
pool_error("wd_hb_recv: received zero bytes");
return WD_NG;
}
else
{
pool_debug("wd_hb_recv: received %d byte packet", rtn);
}
ntoh_wd_hb_packet(pkt, &buf);
return WD_OK;
}
/* receive heartbeat signal */
void
wd_hb_recv(int sock, WdHbPacket * pkt)
{
int rtn;
struct sockaddr_in senderinfo;
socklen_t addrlen;
WdHbPacket buf;
addrlen = sizeof(senderinfo);
rtn = recvfrom(sock, &buf, sizeof(WdHbPacket), 0,
(struct sockaddr *)&senderinfo, &addrlen);
if (rtn < 0)
ereport(ERROR,
(errmsg("failed to receive heartbeat packet")));
else if (rtn == 0)
ereport(ERROR,
(errmsg("failed to receive heartbeat received zero length packet")));
else
ereport(DEBUG2,
(errmsg("watchdog heartbeat: received %d byte packet", rtn)));
ntoh_wd_hb_packet(pkt, &buf);
}