public T Spawn(T source, ViewId sourceId)
{
T instance = default;
var found = false;
//var key = (ViewId)(int.MaxValue + source.gameObject.GetInstanceID());
var key = sourceId;
Stack <T> list;
if (this.prefabToInstances.TryGetValue(key, out list) == true)
{
if (list.Count > 0)
{
instance = (T)list.Pop();
found = true;
}
}
else
{
list = new Stack <T>();
this.prefabToInstances.Add(key, list);
}
if (found == false)
{
var go = GameObject.Instantiate(source);
instance = go.GetComponent <T>();
}
var instanceInternal = (IViewBaseInternal)instance;
instanceInternal.Setup(instance.world, new ViewInfo(instance.entity, key, instance.creationTick));
instance.gameObject.SetActive(true);
return(instance);
}
private questStatus read(MasterPricingEntities dbContext, ViewId viewId, out Quest.Services.Dbio.MasterPricing.Views view)
{
// Initialize
questStatus status = null;
view = null;
try
{
view = dbContext.Views.Where(r => r.Id == viewId.Id).SingleOrDefault();
if (view == null)
{
return(new questStatus(Severity.Error, String.Format("ERROR: {0}.{1}: {2}",
this.GetType().Name, MethodBase.GetCurrentMethod().Name,
String.Format("Id {0} not found", viewId.Id))));
}
}
catch (System.Exception ex)
{
status = new questStatus(Severity.Fatal, String.Format("EXCEPTION: {0}.{1}: {2}",
this.GetType().Name, MethodBase.GetCurrentMethod().Name,
ex.InnerException != null ? ex.InnerException.Message : ex.Message));
LogException(ex, status);
return(status);
}
return(new questStatus(Severity.Success));
}
public questStatus GetViewInfo(DatabaseId databaseId, TablesetView tablesetView, out View view)
{
// Initialize
questStatus status = null;
view = null;
// Get view
DbViewsMgr dbViewsMgr = new DbViewsMgr(this._userSession);
status = dbViewsMgr.Read(databaseId, tablesetView.Schema, tablesetView.Name, out view);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
tablesetView.View = view;
// Get view columns
ViewId viewId = new ViewId(view.Id);
List <Column> columnList = null;
DbColumnsMgr dbColumnsMgr = new DbColumnsMgr(this._userSession);
status = dbColumnsMgr.Read(viewId, out columnList);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
view.ColumnList = columnList;
return(new questStatus(Severity.Success));
}
/// <summary> If we are leaving, we have to wait for the view change (last msg in the current view) that
/// excludes us before we can leave.
/// </summary>
/// <param name="new_view">The view to be installed
/// </param>
/// <param name="digest"> If view is a MergeView, digest contains the seqno digest of all members and has to
/// be set by GMS
/// </param>
public override void handleViewChange(View new_view, Digest digest)
{
if (gms.Stack.NCacheLog.IsInfoEnabled)
{
gms.Stack.NCacheLog.Info("ParticipentGMSImpl.handleViewChange", "received view");
}
System.Collections.ArrayList mbrs = new_view.Members;
gms.Stack.NCacheLog.Debug("view=");// + new_view);
suspected_mbrs.Clear();
if (leaving && !mbrs.Contains(gms.local_addr))
{
// received a view in which I'm not member: ignore
return;
}
ViewId vid = gms.view_id != null?gms.view_id.Copy() : null;
if (vid != null)
{
int rc = vid.CompareTo(new_view.Vid);
if (rc < 0)
{
isNewMember = false;
if (gms.Stack.NCacheLog.IsInfoEnabled)
{
gms.Stack.NCacheLog.Info("ParticipantGmsImp", "isNewMember : " + isNewMember);
}
}
}
gms.installView(new_view, digest);
}
internal virtual void becomeSingletonMember(Address mbr)
{
Digest initial_digest;
ViewId view_id = null;
ArrayList mbrs = ArrayList.Synchronized(new ArrayList(1));
// set the initial digest (since I'm the first member)
initial_digest = new Digest(1); // 1 member (it's only me)
initial_digest.add(gms.local_addr, 0, 0); // initial seqno mcast by me will be 1 (highest seen +1)
gms.Digest = initial_digest;
view_id = new ViewId(mbr); // create singleton view with mbr as only member
mbrs.Add(mbr);
View v = new View(view_id, mbrs);
v.CoordinatorGmsId = gms.unique_id;
ArrayList subgroupMbrs = new ArrayList();
subgroupMbrs.Add(mbr);
gms._subGroupMbrsMap[gms.subGroup_addr] = subgroupMbrs;
gms._mbrSubGroupMap[mbr] = gms.subGroup_addr;
v.SequencerTbl = gms._subGroupMbrsMap.Clone() as Hashtable;
v.MbrsSubgroupMap = gms._mbrSubGroupMap.Clone() as Hashtable;
v.AddGmsId(mbr, gms.unique_id);
gms.installView(v);
gms.becomeCoordinator(); // not really necessary - installView() should do it
gms.Stack.IsOperational = true;
gms.Stack.NCacheLog.Debug("pb.ClientGmsImpl.becomeSingletonMember()", "created group (first member). My view is " + gms.view_id + ", impl is " + gms.Impl.GetType().FullName);
}
/// <remarks>
/// Called by <c>Join()</c> when no initial members can be detected
/// </remarks>
/// <summary>
/// Changes the GMS to a Coord implementation
/// </summary>
/// <param name="mbr">Local Address representing this Channel</param>
private void becomeSingletonMember(Address mbr)
{
Digest initial_digest;
ViewId view_id = null;
ArrayList mbrs = new ArrayList();
// set the initial digest (since I'm the first member)
initial_digest = new Digest(1); // 1 member (it's only me)
initial_digest.add(gms.local_addr, 0, 0); // initial seqno mcast by me will be 1 (highest seen +1)
gms.setDigest(initial_digest);
view_id = new ViewId(mbr); // create singleton view with mbr as only member
mbrs.Add(mbr);
gms.installView(new View(view_id, mbrs));
gms.becomeCoordinator();
gms.passUp(new Event(Event.BECOME_SERVER));
gms.passDown(new Event(Event.BECOME_SERVER));
if (Trace.trace)
{
Trace.info("ClientGmsImpl.becomeSingletonMember()",
"created group (first member). My view is " + gms.view_id +
", impl is " + gms.getImpl().getName());
}
}
protected override async Task <AuthenticateResult> HandleAuthenticateAsync()
{
// Is this relevant to us?
if (!Request.Headers.TryGetValue(Options.HTTPHeader, out var authValue))
{
return(AuthenticateResult.NoResult());
}
// Is it a good pair?
var actualAuthValue = authValue.FirstOrDefault();
var apiValues = actualAuthValue.Split(':', 2);
if (apiValues.Length != 2 || String.IsNullOrEmpty(apiValues[0]) || String.IsNullOrEmpty(apiValues[1]))
{
return(AuthenticateResult.Fail($"Invalid authentication format, expected 'viewId:accessKey'"));
}
var viewId = ViewId.FromString(apiValues[0]);
var accessKey = apiValues[1];
var principal = await _membership.GetAuditViewAsync(viewId, accessKey);
if (principal == null)
{
return(AuthenticateResult.Fail("Invalid authentication provided, access denied."));
}
var ticket = new AuthenticationTicket(principal, Options.AuthenticationScheme);
return(AuthenticateResult.Success(ticket));
}
public String ApplyViewParams(String raw)
{
if (!String.IsNullOrEmpty(ViewId))
{
var ps = ViewId.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries);
foreach (var line in ps)
{
var values = line.Split(new[] { "=" }, StringSplitOptions.RemoveEmptyEntries);
if (values.Length == 2)
{
// Remove cool hack from this line, when we found another way to bind xml attributes of view.
if (values[1] == "${name}")
{
raw = raw.Replace("${" + values[0] + "}", ViewName);
}
else
{
raw = raw.Replace("${" + values[0] + "}", values[1]);
}
}
}
}
foreach (KeyValuePair <string, string> pair in DefinedVariables.Variables)
{
raw = raw.Replace(pair.Key, pair.Value);
}
return(raw);
}
public async Task <string> ResetKeyAsync(ViewId id, CustomerId customerId, string accessKey)
{
var sqlParams = new
{
Id = id.RawValue,
CustomerId = customerId.RawValue,
AccessKey = accessKey
};
string sql = @";
UPDATE dbo.Views
SET AccessKey = @AccessKey
WHERE Id = @Id
AND CustomerId = @CustomerId;
SELECT AccessKey
FROM dbo.Views V
WHERE V.Id = @Id
AND V.CustomerId = @CustomerId;
";
return(await _db.QuerySingleOrDefault(async (db) =>
{
return await db.FetchAsync <string>(sql, sqlParams);
}));
}
private void CreateUnit_RPC(Color color, int count, ViewId viewSourceId, ViewId viewSourceId2)
{
var p1Position = Vector3.zero;
Point data;
if (this.world.GetEntityData(this.p1, out data) == true)
{
p1Position = data.position;
}
for (int i = 0; i < count; ++i)
{
var unit = this.world.AddEntity(new Unit()
{
position = this.world.GetRandomInSphere(p1Position, 1f),
scale = Vector3.one * 0.3f,
lifes = 1,
speed = this.world.GetRandomRange(1f, 2f),
pointFrom = this.p1,
pointTo = this.p2
}, updateStorages: false);
var followComponent = this.world.AddComponent <Unit, UnitFollowFromTo>(unit);
followComponent.@from = this.p1;
followComponent.to = this.p2;
this.world.AddComponent <Unit, UnitGravity>(unit);
var setColor = this.world.AddComponent <Unit, UnitSetColor>(unit);
setColor.color = color;
this.world.InstantiateView <Unit>(viewSourceId, unit);
//this.world.InstantiateView<Unit>(viewSourceId2, unit);
}
this.world.UpdateStorages <Unit>();
}
private questStatus delete(MasterPricingEntities dbContext, ViewId viewId)
{
// Initialize
questStatus status = null;
try
{
// Read all columns for this view.
List <Quest.Services.Dbio.MasterPricing.Columns> _columnsList = null;
status = read(dbContext, viewId, out _columnsList);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
// Delete the records.
dbContext.Columns.RemoveRange(_columnsList);
dbContext.SaveChanges();
}
catch (System.Exception ex)
{
return(new questStatus(Severity.Fatal, String.Format("EXCEPTION: {0}.{1}: {2}",
this.GetType().Name, MethodBase.GetCurrentMethod().Name,
ex.InnerException != null ? ex.InnerException.Message : ex.Message)));
}
return(new questStatus(Severity.Success));
}
private questStatus read(MasterPricingEntities dbContext, ViewId viewId, out List <Quest.Services.Dbio.MasterPricing.Columns> columnList)
{
// Initialize
questStatus status = null;
columnList = null;
try
{
columnList = dbContext.Columns.Where(r => r.EntityTypeId == 2 && r.EntityId == viewId.Id).ToList();
if (columnList == null)
{
return(new questStatus(Severity.Error, String.Format("ERROR: {0}.{1}: {2}",
this.GetType().Name, MethodBase.GetCurrentMethod().Name,
String.Format("ViewId {0} not found", viewId.Id))));
}
}
catch (System.Exception ex)
{
status = new questStatus(Severity.Fatal, String.Format("EXCEPTION: {0}.{1}: {2}",
this.GetType().Name, MethodBase.GetCurrentMethod().Name,
ex.InnerException != null ? ex.InnerException.Message : ex.Message));
LogException(ex, status);
return(status);
}
return(new questStatus(Severity.Success));
}
public questStatus Read(DbMgrTransaction trans, ViewId viewId, out List <Quest.Functional.MasterPricing.Column> columnList)
{
// Initialize
questStatus status = null;
columnList = null;
// Perform read
List <Quest.Services.Dbio.MasterPricing.Columns> _columnsList = null;
status = read((MasterPricingEntities)trans.DbContext, viewId, out _columnsList);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
columnList = new List <Column>();
foreach (Quest.Services.Dbio.MasterPricing.Columns _column in _columnsList)
{
Quest.Functional.MasterPricing.Column column = new Quest.Functional.MasterPricing.Column();
BufferMgr.TransferBuffer(_column, column);
columnList.Add(column);
}
return(new questStatus(Severity.Success));
}
public T Spawn(T source, ViewId sourceId)
{
T instance = default;
var found = false;
//var key = (ViewId)(int.MaxValue + source.gameObject.GetInstanceID());
var key = sourceId;
Stack <T> list;
if (this.prefabToInstances.TryGetValue(key, out list) == true)
{
if (list.Count > 0)
{
instance = (T)list.Pop();
found = true;
}
}
else
{
list = new Stack <T>();
this.prefabToInstances.Add(key, list);
}
if (found == false)
{
var go = GameObject.Instantiate(source);
instance = go.GetComponent <T>();
}
instance.prefabSourceId = key;
instance.gameObject.SetActive(true);
return(instance);
}
public void InstantiateView(ViewId sourceId, Entity entity)
{
if (this.world.settings.turnOffViews == true)
{
return;
}
// Called by tick system
if (this.world.HasStep(WorldStep.LogicTick) == false && this.world.HasResetState() == true)
{
throw new OutOfStateException();
}
if (this.registryIdToPrefab.ContainsKey(sourceId) == false)
{
throw new ViewRegistryNotFoundException(sourceId);
}
var viewInfo = new ViewInfo(entity, sourceId, this.world.GetStateTick());
var component = this.world.AddComponent <ViewComponent>(entity);
component.viewInfo = viewInfo;
component.seed = (uint)this.world.GetSeedValue();
/*var request = this.world.AddComponent<CreateViewComponentRequest<TState>, IViewComponentRequest<TState>>(entity);
* request.viewInfo = viewInfo;
* request.seed = component.seed;*/
this.isRequestsDirty = true;
}
protected override void OnConstruct()
{
this.bulletViewId = this.world.RegisterViewSource(this.bulletView);
this.bulletEffectViewId = this.world.RegisterViewSource(this.bulletEffectView);
this.AddSystem <FireSystem>();
this.AddSystem <BulletFlySystem>();
}
public CandidatePostsIndexView(CandidatePostsController controller)
{
InitializeComponent();
_viewId = ViewId.CandidatePostsIndex;
_controller = controller;
this.DataContext = controller;
}
public ViewDTO(ViewId id, CustomerId customerid, string accesskey, ViewCustomizationDTO customization, List <ViewColumnDTO> columns)
{
Id = id;
CustomerId = customerid;
AccessKey = accesskey;
Customization = customization;
Columns = columns;
}
public IView GetViewSource(ViewId viewSourceId)
{
if (this.registryIdToPrefab.TryGetValue(viewSourceId, out var prefab) == true)
{
return(prefab);
}
return(null);
}
public async Task <IActionResult> GetViewPageAsync(Guid viewId, string clientUUId, string page)
{
if (!ModelState.IsValid)
{
return(BadRequest(new ApiError(400, ModelState)));
}
var loginViewId = _membership.GetViewId(User);
var urlViewId = new ViewId(viewId);
if (loginViewId != urlViewId)
{
return(BadRequest(new ApiError(400, "View Id mismatch")));
}
var customerId = _membership.GetCustomerId(User);
// don't need to get view - we currently only query by client id paged by month, they are not configurable in View yet
int year = DateTime.UtcNow.Year,
month = DateTime.UtcNow.Month;
if (!String.IsNullOrEmpty(page))
{
if (page.Length != 6)
{
return(BadRequest(new ApiError(400, "Unrecognizeable page requested (1)")));
}
if (!int.TryParse(page.Substring(0, 4), out year) ||
!int.TryParse(page.Substring(4, 2), out month))
{
return(BadRequest(new ApiError(400, "Unrecognizeable page requested (2)")));
}
}
var pageStart = new DateTime(year, month, 1, 0, 0, 0, DateTimeKind.Utc);
var pageEnd = pageStart.AddMonths(1);
var entries = await _persistence.EventEntries.SearchAsync(customerId, clientUUId, pageStart, pageEnd);
var prevPage = pageStart.AddMonths(-1);
var nextPage = pageStart.AddMonths(1);
var result = new PagedViewResult(new EventSearchId(DateTime.UtcNow, "GET", $"/api/v1/views/{viewId}/{clientUUId}?page={pageStart.ToString("yyyyMM")}", pageStart.ToString("MMMM yyyy")));
if (prevPage > DateTime.UtcNow.AddMonths(-12) && entries.Count > 0)
{
result.Links.Add("previous", new PagedViewLink(prevPage.ToString("MMMM yyyy"), "GET", $"/api/v1/views/{viewId}/{clientUUId}?page={prevPage.ToString("yyyyMM")}"));
}
if (nextPage < DateTime.UtcNow)
{
result.Links.Add("next", new PagedViewLink(nextPage.ToString("MMMM yyyy"), "GET", $"/api/v1/views/{viewId}/{clientUUId}?page={nextPage.ToString("yyyyMM")}"));
}
result.Entries = entries.Select(e => new RecordedEvent(e, "/api/v1/events/"))
.ToList();
return(Ok(result));
}
public override void EnteringView(ViewId viewId)
{
Feedback = "";
switch (viewId)
{
case ViewId.CandidateShow:
GetOne(); break;
case ViewId.CandidatePostsIndex:
GetAll(); break;
}
}
public override void EnteringView(ViewId viewId)
{
Feedback = "";
switch (viewId)
{
case ViewId.UserShow:
GetOne(); break;
default:
Feedback += "ViewId = " + viewId.ToString() + " not implemented yet!!\n"; break;
}
}
public override IView Spawn(IView prefab, ViewId prefabSourceId)
{
var view = this.pool.Spawn((MonoBehaviourView)prefab, prefabSourceId);
if (this.world.debugSettings.showViewsOnScene == false || this.world.debugSettings.viewsSettings.unityGameObjectProviderShowOnScene == false)
{
view.gameObject.hideFlags = UnityEngine.HideFlags.HideInHierarchy;
}
return(view);
}
IViewsProviderBase IViewModuleBase.GetViewSourceProvider(ViewId viewSourceId)
{
IViewsProvider provider;
if (this.registryPrefabToProvider.TryGetValue(viewSourceId, out provider) == true)
{
return(provider);
}
return(null);
}
protected override void OnConstruct()
{
this.playerViewId = this.world.RegisterViewSource(this.playerView);
var net = this.world.GetModule <NetworkModule>();
net.RegisterObject(this, 1);
this.createPlayerRpcId = net.RegisterRPC(new System.Action <int>(this.CreatePlayer_RPC).Method);
this.AddSystem <NetworkMessagesSystem>();
}
}//ToXml()
public JObject ToJson()
{
//JObject Ret = new JObject();
JObject RootPropObj = new JObject();
//Ret[CswEnumNbtViewXmlNodeName.TreeView.ToString()] = RootPropObj;
RootPropObj["nodename"] = CswEnumNbtViewXmlNodeName.TreeView.ToString().ToLower();
RootPropObj["viewname"] = ViewName;
RootPropObj["version"] = "1.0";
RootPropObj["iconfilename"] = IconFileName;
RootPropObj["selectable"] = Selectable.ToString().ToLower();
RootPropObj["mode"] = ViewMode.ToString();
RootPropObj["width"] = (Width > 0) ? Width.ToString() : "";
RootPropObj["viewid"] = (ViewId.isSet()) ? ViewId.get().ToString() : "";
RootPropObj["category"] = Category;
RootPropObj["visibility"] = Visibility.ToString();
RootPropObj["visibilityroleid"] = (VisibilityRoleId != null) ? VisibilityRoleId.PrimaryKey.ToString() : "";
RootPropObj["visibilityrolename"] = (VisibilityRoleId != null) ? _CswNbtResources.Nodes[VisibilityRoleId].NodeName : "";
RootPropObj["visibilityuserid"] = (VisibilityUserId != null) ? VisibilityUserId.PrimaryKey.ToString() : "";
RootPropObj["visibilityusername"] = (VisibilityUserId != null) ? _CswNbtResources.Nodes[VisibilityUserId].NodeName : "";
RootPropObj["groupbysiblings"] = GroupBySiblings;
RootPropObj["included"] = Included.ToString().ToLower();
RootPropObj["isdemo"] = IsDemo.ToString().ToLower();
RootPropObj["issystem"] = IsSystem.ToString().ToLower();
RootPropObj["includetempnodes"] = IncludeTempNodes.ToString().ToLower();
RootPropObj["gridgroupbycol"] = GridGroupByCol.ToString().ToLower();
RootPropObj["showdelete"] = false; //for ViewContentTree - don't show the "X" on view root
JObject ChildObject = new JObject();
if (null == RootPropObj[_ChildRelationshipsName] ||
RootPropObj[_ChildRelationshipsName].Type != JTokenType.Object)
{
RootPropObj[_ChildRelationshipsName] = ChildObject;
// Recurse on child ViewNodes
foreach (CswNbtViewRelationship ChildRelationship in ChildRelationships)
{
JProperty ChildRelationshipProp = ChildRelationship.ToJson();
if (null == ChildObject[ChildRelationshipProp.Name])
{
ChildObject.Add(ChildRelationshipProp);
}
}
}
//return Ret;
return(RootPropObj);
}//ToXml()
/// <summary>
/// Refreshes the cached view name
/// </summary>
public void RefreshViewName()
{
//bz # 8758
CachedViewName = string.Empty;
if (ViewId.isSet())
{
CswNbtView View = _CswNbtResources.ViewSelect.restoreView(ViewId);
if (View != null)
{
CachedViewName = View.ViewName;
}
}
this.PendingUpdate = false;
}
public questStatus Delete(DbMgrTransaction trans, ViewId viewId)
{
// Initialize
questStatus status = null;
// Delete view
status = _dbViewsMgr.Delete(trans, viewId);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
return(new questStatus(Severity.Success));
}
public questStatus Delete(ViewId viewId)
{
// Initialize
questStatus status = null;
// Delete all columns in this view.
status = _dbColumnsMgr.Delete(viewId);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
return(new questStatus(Severity.Success));
}
public questStatus Delete(DbMgrTransaction trans, ViewId viewId)
{
// Initialize
questStatus status = null;
// Perform delete in this transaction.
status = delete((MasterPricingEntities)trans.DbContext, viewId);
if (!questStatusDef.IsSuccess(status))
{
RollbackTransaction(trans);
return(status);
}
return(new questStatus(Severity.Success));
}
/*==================================================================================================================================
* Properties
*=================================================================================================================================*/
#endregion
#region Public Methods
/*==================================================================================================================================
* Public Methods
*=================================================================================================================================*/
#region CRUD Operations
//----------------------------------------------------------------------------------------------------------------------------------
// CRUD Operations
//----------------------------------------------------------------------------------------------------------------------------------
public questStatus Create(View view, out ViewId viewId)
{
// Initialize
viewId = null;
questStatus status = null;
// Create view
status = _dbViewsMgr.Create(view, out viewId);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
return(new questStatus(Severity.Success));
}
public questStatus Read(DbMgrTransaction trans, ViewId viewId, out List <Quest.Functional.MasterPricing.Column> columnList)
{
// Initialize
questStatus status = null;
columnList = null;
// Read column
status = _dbColumnsMgr.Read(trans, viewId, out columnList);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
return(new questStatus(Severity.Success));
}
public void NavigateTo(ViewId id, Dictionary<string, string> parameters)
{
if (_viewsMap.ContainsKey(id))
{
if (parameters != null)
{
MainController.Instance.global_parameters.Clear();
foreach (var p in parameters)
MainController.Instance.global_parameters.Add(p.Key, p.Value);
}
var view = _viewsMap[id];
MainController.Instance.CurrentView = view;
}
else throw new Exception("View " + id.ToString() + " was not found in the dictionary");
}
public questStatus Read(DbMgrTransaction trans, ViewId viewId, out View view)
{
// Initialize
questStatus status = null;
view = null;
// Read view
status = _dbViewsMgr.Read(trans, viewId, out view);
if (!questStatusDef.IsSuccess(status))
{
return(status);
}
return(new questStatus(Severity.Success));
}
public override void LeavingView(ViewId id)
{
}
public override void LeavingView(ViewId id)
{
throw new NotImplementedException();
}
public void AddView(ViewId id, UserControl view)
{
_viewsMap.Add(id, view);
}
/// <remarks>
/// Called by <c>Join()</c> when no initial members can be detected
/// </remarks>
/// <summary>
/// Changes the GMS to a Coord implementation
/// </summary>
/// <param name="mbr">Local Address representing this Channel</param>
private void becomeSingletonMember(Address mbr)
{
Digest initial_digest;
ViewId view_id=null;
ArrayList mbrs=new ArrayList();
// set the initial digest (since I'm the first member)
initial_digest = new Digest(1); // 1 member (it's only me)
initial_digest.add(gms.local_addr, 0, 0); // initial seqno mcast by me will be 1 (highest seen +1)
gms.setDigest(initial_digest);
view_id=new ViewId(mbr); // create singleton view with mbr as only member
mbrs.Add(mbr);
gms.installView(new View(view_id, mbrs));
gms.becomeCoordinator();
gms.passUp(new Event(Event.BECOME_SERVER));
gms.passDown(new Event(Event.BECOME_SERVER));
if(Trace.trace) Trace.info("ClientGmsImpl.becomeSingletonMember()",
"created group (first member). My view is " + gms.view_id +
", impl is " + gms.getImpl().getName());
}
public abstract void EnteringView(ViewId id);
public abstract void LeavingView(ViewId id);
/// <summary>
/// Sets the new view and sends a VIEW_CHANGE event up and down the stack.
/// </summary>
/// <param name="new_view">New View to install</param>
public void installView(View new_view)
{
Address coord;
int rc;
ViewId vid=new_view.getVid();
ArrayList mbrs=new_view.getMembers();
lock(members)
{ // serialize access to views
ltime=Math.Max(vid.getId(), ltime); // compute Lamport logical time
/* Check for self-inclusion: if I'm not part of the new membership, I just discard it.
This ensures that messages sent in view V1 are only received by members of V1 */
if(Trace.trace)
Trace.info("GMS.installView()","View to install contains: " + new_view.ToString());
if(checkSelfInclusion(mbrs) == false)
{
if(Trace.trace)
Trace.warn("GMS.installView()",
"checkSelfInclusion() failed, not a member of view " + mbrs + "; discarding view");
if(shun)
{
if(Trace.trace)
Trace.warn("GMS.installView()", "I'm being shunned, will leave and rejoin group");
passUp(new Event(Event.EXIT));
}
return;
}
// Discards view with id lower than our own. Will be installed without check if first view
if(view_id != null)
{
rc = vid.CompareTo(view_id);
if(rc <= 0)
{
if(Trace.trace)
Trace.error("GMS.installView()", "received view <= current view;" +
" discarding it ! (current vid: " + view_id + ", new vid: " + vid +")");
return;
}
}
if(Trace.trace) Trace.info("GMS.installView()", "view is " + new_view);
// assign new_view to view_id
view_id=vid.Copy();
// Set the membership. Take into account joining members
if(mbrs != null && mbrs.Count > 0)
{
members.set(mbrs);
tmp_members.set(members);
foreach(Object obj in mbrs)
{
joining.Remove(obj); // remove all members in mbrs from joining
}
tmp_members.add(joining); // adjust temporary membership
}
// Send VIEW_CHANGE event up and down the stack:
Event view_event=new Event(Event.VIEW_CHANGE, (View)new_view.copy());
passDown(view_event); // needed e.g. by failure detector or UDP
passUp(view_event);
coord=determineCoordinator();
if(coord != null && coord.Equals(local_addr) && !(coord.Equals(vid.getCoordAddress())))
{
becomeCoordinator();
}
else
{
if(haveCoordinatorRole() && !local_addr.Equals(coord))
becomeParticipant();
}
}
}
/* ------------------------------- Private Methods --------------------------------- */
/// <summary>
/// Sets the current GMS implementation to Client and resets the viewID
/// </summary>
private void initState()
{
becomeClient();
view_id=null;
}
