public EventStoreService(IPAddress address, EventStoreServiceConfiguration configuration)
{
this.address = address;
this.configuration = configuration;
this.processes = new Dictionary<Process, Tuple<string, DateTime>>();
this.eventStorePath = this.GetEventStorePath(configuration);
this.restartDelay = this.GetRestartDelay(configuration);
this.restartWindow = this.GetRestartWindow(configuration);
this.DumpConfig();
}
private TimeSpan GetRestartWindow(EventStoreServiceConfiguration config)
{
var windowInMs = config.RestartWindowMs.HasValue ? config.RestartWindowMs.Value : 1000 * 30;
return new TimeSpan(0, 0, 0, 0, windowInMs);
}
private string GetEventStorePath(EventStoreServiceConfiguration config)
{
var configPath = config.EventStorePath;
if (string.IsNullOrWhiteSpace(configPath))
{
return Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "eventstore", ExecutableName);
}
if (Path.IsPathRooted(configPath))
{
return configPath;
}
return Path.Combine(AppDomain.CurrentDomain.BaseDirectory, configPath, ExecutableName);
}
private int GetRestartDelay(EventStoreServiceConfiguration config)
{
return config.RestartDelayMs.HasValue ? config.RestartDelayMs.Value : 1000 * 3;
}
private string BuildNodeArguments(
InternalNode currentNode,
EventStoreServiceConfiguration configuration,
int nodeCount,
IPAddress detectedIpAddress)
{
// Based on https://github.com/eventstore/eventstore/wiki/Setting-Up-OSS-Cluster
var builder = new StringBuilder();
var internalIpAddress = GetInternalIpAddress(currentNode, detectedIpAddress);
var externalIpAddress = GetExternalIpAddress(currentNode, detectedIpAddress);
builder.AppendFormat("--db={0} ", currentNode.DbPath);
builder.AppendFormat("--log={0} ", currentNode.LogPath);
builder.AppendFormat("--int-ip={0} ", internalIpAddress);
builder.AppendFormat("--ext-ip={0} ", externalIpAddress);
if (!string.IsNullOrWhiteSpace(currentNode.IntHttpPrefixes))
{
builder.AppendFormat("--int-http-prefixes={0} ", currentNode.IntHttpPrefixes);
}
if (!string.IsNullOrWhiteSpace(currentNode.ExtHttpPrefixes))
{
builder.AppendFormat("--ext-http-prefixes={0} ", currentNode.ExtHttpPrefixes);
}
builder.AppendFormat("--int-tcp-port={0} ", currentNode.IntTcpPort);
builder.AppendFormat("--ext-tcp-port={0} ", currentNode.ExtTcpPort);
builder.AppendFormat("--int-http-port={0} ", currentNode.IntHttpPort);
builder.AppendFormat("--ext-http-port={0} ", currentNode.ExtHttpPort);
builder.AppendFormat(" {0} {1} ", configuration.AdditionalFlags, currentNode.AdditionalFlags);
builder.AppendFormat("--cluster-size={0} ", nodeCount);
builder.AppendFormat("--discover-via-dns=false ");
var intGossipNodes = configuration.InternalNodes.Cast<InternalNode>().Where(n => !ReferenceEquals(n, currentNode)).Select(n => String.Format("{0}:{1}", GetInternalIpAddress(n, detectedIpAddress), n.IntHttpPort));
var extGossipNodes = configuration.ExternalNodes.Cast<ExternalNode>().Select(n => String.Format("--gossip-seed={0}:{1}", n.IpAddress, n.GossipPort));
var gossipNodes = intGossipNodes.Union(extGossipNodes).ToArray();
if (gossipNodes.Any())
{
builder.AppendFormat("--gossip-seed={0}", String.Join(",", gossipNodes));
}
return builder.ToString();
}
