public bool RegisterWatcher(ServiceProfile profile, string host, IServiceContext serviceContext)
{
lock (locker)
{
IRPCWatcher watcher = watchers.Find(w => w.HostInfo.Node.Equals(host, StringComparison.OrdinalIgnoreCase));
if (watcher == null)
{
this.logger.LogDebug($@"setting up an Remote fs watcher for {host}...");
var currentHostInfo = new RPCHostInfo(host, profile.GetNodeServiceNetLocation(host));
this.logger.LogDebug($@"targeting {currentHostInfo.WatchDir} on server {host}...");
using (var subContainer = this.factoryContainer.GetNestedContainer())
{
subContainer.Inject <IRPCHostInfo>(currentHostInfo);
watcher = subContainer.GetInstance <IRPCWatcher>();
watcher.OrchWatcherErrorEventHandler += HandleWatcherFailure;
this.logger.LogDebug($@"{host} watchdog setup ok ");
var result = watcher.StartWatching();
if (result)
{
this.logger.LogDebug($@"{host} watchdog working...");
watchers.Add(watcher);
}
else
{
this.logger.LogError($@"{host} watchdog setup ok but failed to start");
return(false);
}
}
}
watcher.OrchFileChangeEventHandler += serviceContext.OnProcessFinishRequest;
return(true);
}
}
private string PutRequestOnBox(string node, string filename, string request, ServiceProfile serviceProfile, string fileInBox, int timeoutSeconds)
{
lock (CallLocker)
{
this.logger.LogDebug($@"Start checking {filename} request into {node}");
if (!serviceProfile.VerifyServiceProfileOnNode(node))
{
this.logger.LogDebug($@"Put Request on {node} fail, either {node} is not up or server-client profile incorrect");
return($"[ORCH-ERR]Put Request on {node} fail, either {node} is not up or profile incorrect.");
}
var outBoxFile = Path.Combine(Path.Combine(serviceProfile.GetNodeServiceNetLocation(node), "boxes", "outbox"), filename);
WriteFileRequest(node, filename, request, serviceProfile, fileInBox);
this.logger.LogDebug($@"Request {filename} is written to {node}, and will timeout in {timeoutSeconds} seconds");
if (sync.WaitOne(timeoutSeconds * 1000))
{
this.logger.LogDebug($@"Request {filename} comes back, returning result");
return(File.ReadAllText(outBoxFile, Encoding.UTF8));
}
else
{
this.logger.LogDebug($@"Request {filename} timeout ({timeoutSeconds})");
return($@"[ORCH-ERR]the operation time out ({timeoutSeconds})");
}
}
}
public string ProcessRequestAfterReboot(string node, string filename, string request, ServiceProfile serviceProfile)
{
return(PutRequestOnBox(
node,
filename,
request,
serviceProfile,
Path.Combine(Path.Combine(serviceProfile.GetNodeServiceNetLocation(node), "boxes", "rcbox"), filename)));
}
public string ProcessRequest(string node, string filename, string request, ServiceProfile serviceProfile, int timeoutSeconds)
{
return(PutRequestOnBox(
node,
filename,
request,
serviceProfile,
Path.Combine(Path.Combine(serviceProfile.GetNodeServiceNetLocation(node), "boxes", "inbox"), filename),
timeoutSeconds));
}
private string PutRequestOnBox(string node, string filename, string request, ServiceProfile serviceProfile, string fileInBox)
{
lock (CallLocker)
{
this.logger.LogDebug($@"Start checking {filename} request into {node}");
if (!serviceProfile.VerifyServiceProfileOnNode(node))
{
this.logger.LogDebug($@"Put Request on {node} fail, either {node} is not up or server-client profile incorrect");
return($"[ORCH-ERR]Put Request on {node} fail, either {node} is not up or profile incorrect.");
}
var outBoxFile = Path.Combine(Path.Combine(serviceProfile.GetNodeServiceNetLocation(node), "boxes", "outbox"), filename);
WriteFileRequest(node, filename, request, serviceProfile, fileInBox);
this.logger.LogDebug($@"Request {filename} is written to {node}, and will wait till the server process the request");
sync.WaitOne();
return(File.ReadAllText(outBoxFile, Encoding.UTF8));
}
}