/// <summary>
/// Start the EventStore executable explicit single server options, and then connect
/// </summary>
/// <param name="config">EsDb Config Section</param>
/// <param name="windowStyle">ProcessWindowStyle: How the EventStore executable window will be displayed or hidden.</param>
/// <param name="opt">StartConflictOption Enum: What to do if a conflicting EventStore process is already running.</param>
public EventStoreConnectionManager SetupEventStore(
EsdbConfig config,
ProcessWindowStyle windowStyle,
StartConflictOption opt)
{
var fullPath = Path.Combine(config.Path, "EventStore.ClusterNode.exe");
var runningEventStores = Process.GetProcessesByName("EventStore.ClusterNode");
if (runningEventStores.Count() != 0)
{
switch (opt)
{
case StartConflictOption.Connect:
_process = runningEventStores[0];
break;
case StartConflictOption.Kill:
foreach (var es in runningEventStores)
{
es.Kill();
}
break;
case StartConflictOption.Error:
throw new Exception("Conflicting EventStore running.");
}
}
if (_process == null)
{
_process = new Process
{
StartInfo =
{
WindowStyle = windowStyle,
UseShellExecute = true,
CreateNoWindow = false,
WorkingDirectory = config.WorkingDir,
FileName = fullPath,
Arguments = config.Args,
Verb = "runas"
}
};
_process.Start();
}
ESConnection = new EventStoreConnectionManager(config);
return(ESConnection);
}
/// <summary>
/// Setup EventStore based on the config settings provided by the caller
/// </summary>
/// <param name="config"><see cref="EsdbConfig"/> defined by the caller.</param>
public EventStoreConnectionManager(EsdbConfig config)
{
ESConnection = new EventStoreConnectionWrapper(EventStoreConnection.Create(config.ConnectionString));
//TODO: The connection settings to keep retrying in the EventStore code circumvents this loop of 8 tries never returning from the Connect call.
Connection.Connect();
const int retry = 8;
var count = 0;
do
{
try
{
Connection.ReadStreamForward("by_event_type", 0, 1);
return;
}
catch { } //ignore
Thread.Sleep(100);
count++;
} while (count < retry);
throw new Exception("Unable to start EventStore");
}
/// <summary>
/// Start the EventStore executable explicit single server options, and then connect
/// </summary>
/// <param name="config">EsDb Config Section</param>
public EventStoreConnectionManager SetupEventStore(EsdbConfig config)
{
return(SetupEventStore(config,
windowStyle: _defaultWindowStyle,
opt: _defaultStartOption));
}
