bits32 internetHostIp(char *hostName)
/* Get IP v4 address (in host byte order) for hostName.
* Warn and return 0 if there's a problem. */
{
bits32 ret;
if (internetIsDottedQuad(hostName))
{
internetDottedQuadToIp(hostName, &ret);
}
else
{
/* getaddrinfo is thread-safe and widely supported */
struct addrinfo hints, *res;
struct in_addr addr;
int err;
zeroBytes(&hints, sizeof(hints));
hints.ai_family = AF_INET;
if ((err = getaddrinfo(hostName, NULL, &hints, &res)) != 0)
{
warn("getaddrinfo() error on hostName=%s: %s\n", hostName, gai_strerror(err));
return 0;
}
addr = ((struct sockaddr_in *)(res->ai_addr))->sin_addr;
ret = ntohl((uint32_t)addr.s_addr);
freeaddrinfo(res);
}
return ret;
}
void tellManagerJobIsDone(char *managingHost, char *jobIdString, char *line)
/* Try and send message to host saying job is done. */
{
struct paraMessage pm;
bits32 ip;
if (!internetDottedQuadToIp(managingHost, &ip))
{
warn("%s doesn't seem to be in dotted quad form\n", managingHost);
return;
}
pmInit(&pm, ip, paraHubPort);
pmPrintf(&pm, "jobDone %s %s", jobIdString, line);
if (!pmSend(&pm, mainRudp))
warn("Couldn't send message to %s to say %s is done\n", managingHost, jobIdString);
}