/// <summary>
/// Request current status from server node.
/// </summary>
/// <param name="friends">other nodes in the cluster, populated by this method</param>
/// <exception cref="Exception">if status request fails</exception>
public void Refresh(List <Host> friends)
{
if (tendConnection.IsClosed())
{
tendConnection = new Connection(address, cluster.connectionTimeout);
}
try
{
string[] commands = cluster.useServicesAlternate ?
new string[] { "node", "partition-generation", "services-alternate" } :
new string[] { "node", "partition-generation", "services" };
Dictionary <string, string> infoMap = Info.Request(tendConnection, commands);
VerifyNodeName(infoMap);
if (AddFriends(infoMap, friends))
{
UpdatePartitions(tendConnection, infoMap);
}
}
catch (Exception)
{
// Swallow exception if node was closed in another thread.
if (!tendConnection.IsClosed())
{
tendConnection.Close();
throw;
}
}
}
/// <summary>
/// Request current status from server node.
/// </summary>
public void Refresh(Peers peers)
{
if (!active)
{
return;
}
try
{
if (tendConnection.IsClosed())
{
tendConnection = cluster.CreateConnection(host.tlsName, address, cluster.connectionTimeout, null);
if (cluster.user != null)
{
try
{
AdminCommand command = new AdminCommand(ThreadLocalData.GetBuffer(), 0);
command.Authenticate(tendConnection, cluster.user, cluster.password);
}
catch (Exception)
{
tendConnection.Close();
throw;
}
}
}
if (peers.usePeers)
{
Dictionary <string, string> infoMap = Info.Request(tendConnection, "node", "peers-generation", "partition-generation");
VerifyNodeName(infoMap);
VerifyPeersGeneration(infoMap, peers);
VerifyPartitionGeneration(infoMap);
}
else
{
string[] commands = cluster.useServicesAlternate ?
new string[] { "node", "partition-generation", "services-alternate" } :
new string[] { "node", "partition-generation", "services" };
Dictionary <string, string> infoMap = Info.Request(tendConnection, commands);
VerifyNodeName(infoMap);
VerifyPartitionGeneration(infoMap);
AddFriends(infoMap, peers);
}
peers.refreshCount++;
failures = 0;
}
catch (Exception e)
{
if (peers.usePeers)
{
peers.genChanged = true;
}
RefreshFailed(e);
}
}
/// <summary>
/// Request current status from server node.
/// </summary>
public void Refresh(Peers peers)
{
if (!active)
{
return;
}
try
{
if (tendConnection.IsClosed())
{
tendConnection = CreateConnection(host.tlsName, address, cluster.connectionTimeout, null);
if (cluster.user != null)
{
if (!EnsureLogin())
{
AdminCommand command = new AdminCommand(ThreadLocalData.GetBuffer(), 0);
if (!command.Authenticate(cluster, tendConnection, sessionToken))
{
// Authentication failed. Session token probably expired.
// Must login again to get new session token.
command.Login(cluster, tendConnection, out sessionToken, out sessionExpiration);
}
}
}
}
else
{
if (cluster.user != null)
{
EnsureLogin();
}
}
string[] commands = cluster.rackAware ? INFO_PERIODIC_REB : INFO_PERIODIC;
Dictionary <string, string> infoMap = Info.Request(tendConnection, commands);
VerifyNodeName(infoMap);
VerifyPeersGeneration(infoMap, peers);
VerifyPartitionGeneration(infoMap);
if (cluster.rackAware)
{
VerifyRebalanceGeneration(infoMap);
}
peers.refreshCount++;
failures = 0;
}
catch (Exception e)
{
peers.genChanged = true;
RefreshFailed(e);
}
}
/// <summary>
/// Request current status from server node.
/// </summary>
public void Refresh(Peers peers)
{
if (!active)
{
return;
}
try
{
if (tendConnection.IsClosed())
{
tendConnection = cluster.CreateConnection(host.tlsName, address, cluster.connectionTimeout);
}
if (peers.usePeers)
{
Dictionary <string, string> infoMap = Info.Request(tendConnection, "node", "peers-generation", "partition-generation");
VerifyNodeName(infoMap);
VerifyPeersGeneration(infoMap, peers);
VerifyPartitionGeneration(infoMap);
}
else
{
string[] commands = cluster.useServicesAlternate ?
new string[] { "node", "partition-generation", "services-alternate" } :
new string[] { "node", "partition-generation", "services" };
Dictionary <string, string> infoMap = Info.Request(tendConnection, commands);
VerifyNodeName(infoMap);
VerifyPartitionGeneration(infoMap);
AddFriends(infoMap, peers);
}
peers.refreshCount++;
failures = 0;
}
catch (Exception e)
{
RefreshFailed(e);
}
}