string g_NetService_gethostname(const string& ip_or_hostname)
{
string hostname(CSocketAPI::gethostbyaddr(
g_NetService_gethostbyname(ip_or_hostname), eOn));
if (hostname.empty()) {
NCBI_THROW_FMT(CNetServiceException, eCommunicationError,
"g_NetService_gethostname('" << ip_or_hostname << "') failed");
}
return hostname;
}
static SServerAddress* s_GetFallbackServer()
{
if (s_FallbackServer_Initialized)
return s_FallbackServer->get();
try {
string host, port;
if (NStr::SplitInTwo(TCGI_NetCacheFallbackServer::GetDefault(),
":", host, port)) {
s_FallbackServer->reset(new SServerAddress(
g_NetService_gethostbyname(host),
(unsigned short) NStr::StringToInt(port)));
}
} catch (...) {
}
s_FallbackServer_Initialized = true;
return s_FallbackServer->get();
}
string g_NetService_gethostip(const string& ip_or_hostname)
{
return CSocketAPI::ntoa(g_NetService_gethostbyname(ip_or_hostname));
}