int
wd_hb_send(int sock, WdHbPacket * pkt, int len, const char * host)
{
int rtn;
struct sockaddr_in addr;
struct hostent *hp;
WdHbPacket buf;
if (!host || !strlen(host))
{
pool_error("wd_hb_send: host name is empty");
return -1;
}
hp = gethostbyname(host);
if ((hp == NULL) || (hp->h_addrtype != AF_INET))
{
pool_error("wd_hb_send: gethostbyname() failed: %s host: %s",
hstrerror(h_errno), host);
return -1;
}
memmove((char *) &(addr.sin_addr), (char *) hp->h_addr, hp->h_length);
addr.sin_family = AF_INET;
addr.sin_port = htons(pool_config->wd_heartbeat_port);
hton_wd_hb_packet(&buf, pkt);
if ((rtn = sendto(sock, &buf, sizeof(WdHbPacket), 0,
(struct sockaddr *)&addr, sizeof(addr))) != len)
{
pool_error("wd_hb_send: failed to sent packet to %s", host);
return WD_NG;
}
pool_debug("wd_hb_send: send %d byte packet", rtn);
return WD_OK;
}
/* send heartbeat signal */
void
wd_hb_send(int sock, WdHbPacket * pkt, int len, const char * host, const int port)
{
int rtn;
struct sockaddr_in addr;
struct hostent *hp;
WdHbPacket buf;
if (!host || !strlen(host))
ereport(ERROR,
(errmsg("failed to send watchdog heartbeat. host name is empty")));
hp = gethostbyname(host);
if ((hp == NULL) || (hp->h_addrtype != AF_INET))
ereport(ERROR,
(errmsg("failed to send watchdog heartbeat, gethostbyname() failed"),
errdetail("gethostbyname on \"%s\" failed with reason: \"%s\"",host, hstrerror(h_errno))));
memmove((char *) &(addr.sin_addr), (char *) hp->h_addr, hp->h_length);
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
hton_wd_hb_packet(&buf, pkt);
if ((rtn = sendto(sock, &buf, sizeof(WdHbPacket), 0,
(struct sockaddr *)&addr, sizeof(addr))) != len)
{
ereport(ERROR,
(errmsg("failed to send watchdog heartbeat, sendto failed"),
errdetail("sending packet to \"%s\" failed with reason: \"%s\"",host, strerror(errno))));
}
ereport(DEBUG2,
(errmsg("watchdog heartbeat: send %d byte packet", rtn)));
}
