// Switch from TLS connection to non-TLS connection.
internal SwitchClear(Cluster cluster, Connection conn, byte[] sessionToken)
{
// Obtain non-TLS addresses.
string command = cluster.useServicesAlternate ? "service-clear-alt" : "service-clear-std";
string result = Info.Request(conn, command);
List <Host> hosts = Host.ParseServiceHosts(result);
Host clearHost;
// Find first valid non-TLS host.
foreach (Host host in hosts)
{
try
{
clearHost = host;
string alternativeHost;
if (cluster.ipMap != null && cluster.ipMap.TryGetValue(clearHost.name, out alternativeHost))
{
clearHost = new Host(alternativeHost, clearHost.port);
}
IPAddress[] addresses = Connection.GetHostAddresses(clearHost.name, cluster.connectionTimeout);
foreach (IPAddress ia in addresses)
{
try
{
clearAddress = ia;
clearSocketAddress = new IPEndPoint(ia, clearHost.port);
clearConn = new Connection(clearSocketAddress, cluster.connectionTimeout, null);
try
{
AdminCommand admin = new AdminCommand(ThreadLocalData.GetBuffer(), 0);
if (!admin.Authenticate(cluster, clearConn, sessionToken))
{
throw new AerospikeException("Authentication failed");
}
return; // Authenticated clear connection.
}
catch (Exception)
{
clearConn.Close();
}
}
catch (Exception)
{
// Try next address.
}
}
}
catch (Exception)
{
// Try next host.
}
}
throw new AerospikeException("Invalid non-TLS address: " + result);
}
private void SetAddress(Cluster cluster, Dictionary <string, string> map, string addressCommand, string tlsName)
{
string result;
if (!map.TryGetValue(addressCommand, out result) || result == null || result.Length == 0)
{
// Server does not support service level call (service-clear-std, ...).
// Load balancer detection is not possible.
return;
}
List <Host> hosts = Host.ParseServiceHosts(result);
Host h;
// Search real hosts for seed.
foreach (Host host in hosts)
{
h = host;
string alt;
if (cluster.ipMap != null && cluster.ipMap.TryGetValue(h.name, out alt))
{
h = new Host(alt, h.port);
}
if (h.Equals(this.primaryHost))
{
// Found seed which is not a load balancer.
return;
}
}
// Seed not found, so seed is probably a load balancer.
// Find first valid real host.
foreach (Host host in hosts)
{
try
{
h = host;
string alt;
if (cluster.ipMap != null && cluster.ipMap.TryGetValue(h.name, out alt))
{
h = new Host(alt, h.port);
}
IPAddress[] addresses = Connection.GetHostAddresses(h.name, cluster.connectionTimeout);
foreach (IPAddress address in addresses)
{
try
{
IPEndPoint socketAddress = new IPEndPoint(address, h.port);
Connection conn = (cluster.tlsPolicy != null) ?
new TlsConnection(cluster.tlsPolicy, tlsName, socketAddress, cluster.connectionTimeout, null) :
new Connection(socketAddress, cluster.connectionTimeout, null);
try
{
if (cluster.user != null)
{
AdminCommand admin = new AdminCommand(ThreadLocalData.GetBuffer(), 0);
if (!admin.Authenticate(cluster, conn, this.sessionToken))
{
throw new AerospikeException("Authentication failed");
}
}
// Authenticated connection. Set real host.
SetAliases(address, tlsName, h.port);
this.primaryHost = new Host(address.ToString(), tlsName, h.port);
this.primaryAddress = socketAddress;
this.primaryConn.Close();
this.primaryConn = conn;
return;
}
catch (Exception)
{
conn.Close();
}
}
catch (Exception)
{
// Try next address.
}
}
}
catch (Exception)
{
// Try next host.
}
}
// Failed to find a valid address. IP Address is probably internal on the cloud
// because the server access-address is not configured. Log warning and continue
// with original seed.
if (Log.InfoEnabled())
{
Log.Info("Invalid address " + result + ". access-address is probably not configured on server.");
}
}
private void SetAddress(Cluster cluster, Dictionary <string, string> map, string addressCommand, string tlsName)
{
string result = map[addressCommand];
List <Host> hosts = Host.ParseServiceHosts(result);
Host h;
// Search real hosts for seed.
foreach (Host host in hosts)
{
h = host;
string alt;
if (cluster.ipMap != null && cluster.ipMap.TryGetValue(h.name, out alt))
{
h = new Host(alt, h.port);
}
if (h.Equals(this.primaryHost))
{
// Found seed which is not a load balancer.
return;
}
}
// Seed not found, so seed is probably a load balancer.
// Find first valid real host.
foreach (Host host in hosts)
{
try
{
h = host;
string alt;
if (cluster.ipMap != null && cluster.ipMap.TryGetValue(h.name, out alt))
{
h = new Host(alt, h.port);
}
IPAddress[] addresses = Connection.GetHostAddresses(h.name, cluster.connectionTimeout);
foreach (IPAddress address in addresses)
{
try
{
IPEndPoint socketAddress = new IPEndPoint(address, h.port);
Connection conn = (cluster.tlsPolicy != null) ?
new TlsConnection(cluster.tlsPolicy, tlsName, socketAddress, cluster.connectionTimeout, cluster.maxSocketIdleMillis, null) :
new Connection(socketAddress, cluster.connectionTimeout, cluster.maxSocketIdleMillis, null);
try
{
if (cluster.user != null)
{
AdminCommand admin = new AdminCommand(ThreadLocalData.GetBuffer(), 0);
if (!admin.Authenticate(cluster, conn, this.sessionToken))
{
throw new AerospikeException("Authentication failed");
}
}
// Authenticated connection. Set real host.
SetAliases(addresses, tlsName, h.port);
this.primaryHost = new Host(address.ToString(), tlsName, h.port);
this.primaryAddress = socketAddress;
this.primaryConn.Close();
this.primaryConn = conn;
return;
}
catch (Exception)
{
conn.Close();
}
}
catch (Exception)
{
// Try next address.
}
}
}
catch (Exception)
{
// Try next host.
}
}
// Failed to find a valid host.
throw new AerospikeException("Invalid address: " + result);
}