const transport::InetSocketAddress &nextServer() {
const transport::InetSocketAddress &server = getServerByIndex(index++);
if (index >= servers.size()) {
index = 0;
}
return server;
}
const transport::InetSocketAddress &nextServer(const std::set<transport::InetSocketAddress>& failedServers) {
for (unsigned int i = 0; i <= servers.size(); i++) {
const transport::InetSocketAddress &server = getServerByIndex(index++);
if (failedServers.empty() || failedServers.find(server) != failedServers.end()
|| i > failedServers.size()) {
if (index >= servers.size()) {
index = 0;
}
}
return server;
}
throw Exception("Bad news, no server available.");
}