//--- Class methods ---
public static InstanceManager New(DekiWikiService dekiService, TaskTimerFactory timerFactory) {
InstanceManager mgr;
var srcString = dekiService.Config["wikis/@src"].AsText;
if(!string.IsNullOrEmpty(srcString)) {
XUri remoteDirUri;
if(!XUri.TryParse(srcString, out remoteDirUri)) {
//TODO: build a specialized exception out of this
throw new ApplicationException(string.Format("Configuration is not valid. wikis/@src ({0})is not a valid url!", srcString));
}
mgr = new RemoteInstanceManager(dekiService, timerFactory, remoteDirUri, dekiService.TempPath);
} else {
mgr = new LocalInstanceManager(dekiService, timerFactory);
}
mgr._maxInstances = dekiService.Config["wikis/@max"].AsInt ?? int.MaxValue;
var timeoutSecs = dekiService.Config["wikis/@ttl"].AsDouble;
if(timeoutSecs == null || timeoutSecs == 0) {
mgr._inactiveInstanceTimeOut = TimeSpan.MaxValue;
} else {
mgr._inactiveInstanceTimeOut = TimeSpan.FromSeconds(timeoutSecs.Value);
}
var retryInterval = dekiService.Config["wikis/@retry-interval"].AsDouble ?? 10;
mgr._abandonedInstanceRetryInterval = TimeSpan.FromSeconds(retryInterval);
mgr._minInstanceIdletime = TimeSpan.FromSeconds(dekiService.Config["wikis/@idletime"].AsDouble ?? 60);
return mgr;
}
// --- Class methods ---
public static InstanceManager New(DekiWikiService dekiService) {
InstanceManager mgr = null;
string srcString = dekiService.Config["wikis/@src"].AsText;
if(!string.IsNullOrEmpty(srcString)) {
XUri remoteDirUri = null;
if(!XUri.TryParse(srcString, out remoteDirUri)) {
//TODO: build a specialized exception out of this
throw new ApplicationException(string.Format("Configuration is not valid. wikis/@src ({0})is not a valid url!", srcString));
}
mgr = new RemoteInstanceManager(dekiService, remoteDirUri);
} else {
mgr = new LocalInstanceManager(dekiService);
}
mgr.maxInstances = dekiService.Config["wikis/@max"].AsUInt ?? 0;
uint timeoutSecs = dekiService.Config["wikis/@ttl"].AsUInt ?? uint.MaxValue;
if(timeoutSecs == 0 || timeoutSecs == uint.MaxValue) {
mgr._inactiveInstanceTimeOut = TimeSpan.MaxValue;
} else {
mgr._inactiveInstanceTimeOut = TimeSpan.FromSeconds(timeoutSecs);
}
return mgr;
}
// --- Constructors ---
public RemoteInstanceManager(DekiWikiService dekiService, XUri directoryUri) : base(dekiService) {
_directory = Plug.New(directoryUri);
DreamMessage testMsg = _directory.GetAsync().Wait();
if (!testMsg.IsSuccessful)
throw new DreamInternalErrorException(string.Format("Error validating remote deki portal service at '{0}'", directoryUri.ToString()));
}
//--- Constructors ---
public LocalInstanceManager(DekiWikiService dekiService, TaskTimerFactory timerFactory) : base(dekiService, timerFactory) {
var dekiServiceConfig = dekiService.Config;
if (dekiServiceConfig["wikis/config"].IsEmpty) {
//Not in cluster mode (no other wikis defined): run all hosts under default wiki.
AssociateHostnameWithWiki("*", DEFAULT_WIKI_ID);
} else {
foreach (XDoc wikiDoc in dekiServiceConfig["wikis/config"]) {
var wikiId = wikiDoc["@id"].AsText;
AssociateHostnameWithWiki(wikiDoc["host"].Select(hostDoc => hostDoc.Contents).ToArray(), wikiId);
}
}
}
//--- Constructors ---
public RemoteInstanceManager(DekiWikiService dekiService, TaskTimerFactory timerFactory, XUri directoryUri, string tempPath) : base(dekiService, timerFactory) {
// validate temp folder
_tempPath = tempPath;
if(!Directory.Exists(_tempPath)) {
throw new ArgumentException("temp folder does not exist", "tempPath");
}
// check remote directory
_directory = Plug.New(directoryUri);
var testMsg = _directory.GetAsync().Wait();
if(!testMsg.IsSuccessful) {
_log.WarnFormat("Error validating remote deki portal service at '{0}'", directoryUri);
}
}
//--- Constructors ---
public LocalInstanceManager(DekiWikiService dekiService, TaskTimerFactory timerFactory) : base(dekiService, timerFactory)
{
var dekiServiceConfig = dekiService.Config;
if (dekiServiceConfig["wikis/config"].IsEmpty)
{
//Not in cluster mode (no other wikis defined): run all hosts under default wiki.
AssociateHostnameWithWiki("*", DEFAULT_WIKI_ID);
}
else
{
foreach (XDoc wikiDoc in dekiServiceConfig["wikis/config"])
{
var wikiId = wikiDoc["@id"].AsText;
AssociateHostnameWithWiki(wikiDoc["host"].Select(hostDoc => hostDoc.Contents).ToArray(), wikiId);
}
}
}
//--- Constructors ---
public RemoteInstanceManager(DekiWikiService dekiService, TaskTimerFactory timerFactory, XUri directoryUri, string tempPath) : base(dekiService, timerFactory)
{
// validate temp folder
_tempPath = tempPath;
if (!Directory.Exists(_tempPath))
{
throw new ArgumentException("temp folder does not exist", "tempPath");
}
// check remote directory
_directory = Plug.New(directoryUri);
var testMsg = _directory.GetAsync().Wait();
if (!testMsg.IsSuccessful)
{
_log.WarnFormat("Error validating remote deki portal service at '{0}'", directoryUri);
}
}
// --- Constructors ---
public LocalInstanceManager(DekiWikiService dekiService) : base(dekiService) {
XDoc dekiServiceConfig = dekiService.Config;
Dictionary<string, string> wikiIds = new Dictionary<string, string>();
if (dekiServiceConfig["wikis/config"].IsEmpty) {
//Not in cluster mode (no other wikis defined): run all hosts under default wiki.
AssociateHostnameWithWiki("*", DEFAULT_WIKI_ID);
} else {
foreach (XDoc wikiDoc in dekiServiceConfig["wikis/config"]) {
string wikiId = wikiDoc["@id"].AsText;
List<string> hostNameList = new List<string>();
foreach (XDoc hostDoc in wikiDoc["host"]) {
hostNameList.Add(hostDoc.Contents);
}
AssociateHostnameWithWiki(hostNameList.ToArray(), wikiId);
}
}
}
//--- Class methods ---
public static InstanceManager New(DekiWikiService dekiService, TaskTimerFactory timerFactory)
{
InstanceManager mgr;
var srcString = dekiService.Config["wikis/@src"].AsText;
if (!string.IsNullOrEmpty(srcString))
{
XUri remoteDirUri;
if (!XUri.TryParse(srcString, out remoteDirUri))
{
//TODO: build a specialized exception out of this
throw new ApplicationException(string.Format("Configuration is not valid. wikis/@src ({0})is not a valid url!", srcString));
}
mgr = new RemoteInstanceManager(dekiService, timerFactory, remoteDirUri, dekiService.TempPath);
}
else
{
mgr = new LocalInstanceManager(dekiService, timerFactory);
}
mgr._maxInstances = dekiService.Config["wikis/@max"].AsInt ?? int.MaxValue;
var timeoutSecs = dekiService.Config["wikis/@ttl"].AsDouble;
if (timeoutSecs == null || timeoutSecs == 0)
{
mgr._inactiveInstanceTimeOut = TimeSpan.MaxValue;
}
else
{
mgr._inactiveInstanceTimeOut = TimeSpan.FromSeconds(timeoutSecs.Value);
}
var retryInterval = dekiService.Config["wikis/@retry-interval"].AsDouble ?? 10;
mgr._abandonedInstanceRetryInterval = TimeSpan.FromSeconds(retryInterval);
mgr._minInstanceIdletime = TimeSpan.FromSeconds(dekiService.Config["wikis/@idletime"].AsDouble ?? 60);
return(mgr);
}
//--- Constructors ---
protected InstanceManager(DekiWikiService dekiService, TaskTimerFactory timerFactory) {
_dekiService = dekiService;
_timerFactory = timerFactory;
}
//--- Class Methods ---
public static void StartExtensionService(DekiContext context, ServiceBE service, ServiceRepository.IServiceInfo serviceInfo, bool forceRefresh)
{
// retrieve document describing the extension functions
XUri uri = new XUri(service.Uri);
XDoc manifest = null;
DekiWikiService deki = context.Deki;
var extension = serviceInfo.Extension;
if (!service.ServiceLocal)
{
lock (deki.RemoteExtensionLibraries) {
deki.RemoteExtensionLibraries.TryGetValue(uri, out manifest);
}
}
if (manifest == null || forceRefresh)
{
manifest = Plug.New(uri).Get().ToDocument();
// normalize the extension XML
manifest = manifest.TransformAsXml(_extensionConverterXslt);
// check if document describes a valid extension: either the extension has no functions, or the functions have end-points
if (manifest.HasName("extension") && ((manifest["function"].ListLength == 0) || (manifest["function/uri"].ListLength > 0)))
{
// add source uri for service
manifest.Attr("uri", uri);
// register service in extension list
lock (deki.RemoteExtensionLibraries) {
deki.RemoteExtensionLibraries[uri] = manifest;
}
}
else
{
throw new ExtensionRemoveServiceInvalidOperationException(uri);
}
}
extension.Manifest = manifest;
// add function prefix if one is defined
serviceInfo.Extension.SetPreference("namespace.custom", service.Preferences["namespace"]);
string serviceNamespace = service.Preferences["namespace"] ?? manifest["namespace"].AsText;
if (serviceNamespace != null)
{
serviceNamespace = serviceNamespace.Trim();
if (string.IsNullOrEmpty(serviceInfo.Namespace))
{
// Note (arnec): Namespace from preferences is assigned at service creation. If we do not have one at this
// point, it came from the extension manifest and needs to be registered as our default. Otherwise the
// preference override persists as the namespace.
context.Instance.RunningServices.RegisterNamespace(serviceInfo, serviceNamespace);
}
if (serviceNamespace.Length != 0)
{
if (!DekiScriptParser.IsIdentifier(serviceNamespace))
{
throw new ExtensionNamespaceInvalidArgumentException(service.Preferences["namespace"] ?? manifest["namespace"].AsText);
}
}
else
{
serviceNamespace = null;
}
}
serviceNamespace = (serviceNamespace == null) ? string.Empty : (serviceNamespace + ".");
// add custom library title
extension.SetPreference("title.custom", service.Preferences["title"]);
extension.SetPreference("label.custom", service.Preferences["label"]);
extension.SetPreference("description.custom", service.Preferences["description"]);
extension.SetPreference("uri.logo.custom", service.Preferences["uri.logo"]);
extension.SetPreference("functions", service.Preferences["functions"]);
extension.SetPreference("protected", service.Preferences["protected"]);
// add each extension function
bool.TryParse(service.Preferences["protected"], out extension.IsProtected);
var functions = new List <ServiceRepository.ExtensionFunctionInfo>();
foreach (XDoc function in manifest["function"])
{
XUri functionUri = function["uri"].AsUri;
if (functionUri != null)
{
functions.Add(new ServiceRepository.ExtensionFunctionInfo(serviceNamespace + function["name"].Contents, functionUri));
}
}
extension.Functions = functions.ToArray();
}
// --- Constructors ---
protected InstanceManager(DekiWikiService dekiService) {
_dekiService = dekiService;
}
//--- Constructors ---
protected InstanceManager(DekiWikiService dekiService, TaskTimerFactory timerFactory)
{
_dekiService = dekiService;
_timerFactory = timerFactory;
}