public static ObjectType AddObjectType(Participant participant)
{
using (DaemonEntities entities = new DaemonEntities())
{
try
{
entities.Attach(participant);
ObjectType objectType = new ObjectType
{
ObjectTypeId = Guid.NewGuid(),
Participant = participant,
Name = "New Object Type",
Radius = 11,
Mass = 10,
ModelUrl = "http://",
ModelScale = 10,
Published = false
};
entities.AddToObjectType(objectType);
entities.SaveChanges();
entities.Detach(objectType);
return(objectType);
}
finally
{
entities.Detach(participant);
}
}
}
public static Bubble AddBuble(Participant participant, LocalProcess localProcess)
{
using (DaemonEntities entities = new DaemonEntities())
{
try
{
entities.Attach(participant);
entities.Attach(localProcess);
Bubble bubble = new Bubble
{
BubbleId = Guid.NewGuid(),
Participant = participant,
LocalProcess = localProcess,
Name = "New Bubble",
Range = 100,
PerceptionRange = 150,
Published = false
};
entities.AddToBubble(bubble);
entities.SaveChanges();
entities.Detach(bubble);
return(bubble);
}
finally
{
entities.Detach(participant);
entities.Detach(localProcess);
}
}
}
public static RemoteProcess AddRemoteProcess(Participant participant, LocalProcess locaProcess)
{
using (DaemonEntities entities = new DaemonEntities())
{
try
{
entities.Attach(locaProcess);
entities.Attach(participant);
RemoteProcess remoteProcess = new RemoteProcess
{
RemoteProcessId = Guid.NewGuid(),
LocalProcess = locaProcess,
Participant = participant,
Address = "127.0.0.1",
HubPort = MxpConstants.DefaultHubPort,
Trusted = false
};
entities.AddToRemoteProcess(remoteProcess);
entities.SaveChanges();
entities.Detach(remoteProcess);
return(remoteProcess);
}
finally
{
entities.Detach(locaProcess);
entities.Detach(participant);
}
}
}
public static ObjectType GetObjectType(Guid objectTypeId)
{
using (DaemonEntities entities = new DaemonEntities())
{
ObjectType objectType = QueryUtil.First <ObjectType>((from o in entities.ObjectType where o.ObjectTypeId == objectTypeId select o));
entities.Detach(objectType);
return(objectType);
}
}
public static Bubble GetBubble(Guid bubbleId)
{
using (DaemonEntities entities = new DaemonEntities())
{
Bubble bubble = QueryUtil.First <Bubble>((from b in entities.Bubble where b.BubbleId == bubbleId select b));
entities.Detach(bubble);
return(bubble);
}
}
public static Participant GetParticipant(Guid participantId)
{
using (DaemonEntities entities = new DaemonEntities())
{
Participant participant = QueryUtil.First <Participant>(from p in entities.Participant where p.ParticipantId == participantId select p);
entities.Detach(participant);
return(participant);
}
}
public static LocalProcess GetLocalProcess(Guid localProcessId)
{
using (DaemonEntities entities = new DaemonEntities())
{
LocalProcess localProcess = QueryUtil.First <LocalProcess>((from p in entities.LocalProcess where p.LocalProcessId == localProcessId select p));
entities.Detach(localProcess);
return(localProcess);
}
}
public static void GetLoginSecret(Participant participant)
{
using (DaemonEntities entities = new DaemonEntities())
{
entities.Attach(participant);
participant.LoginSecret = Guid.NewGuid().ToString("N");
participant.LoginSecretExpires = DateTime.Now.Add(new TimeSpan(0, 0, 0, 10));
entities.SaveChanges();
entities.Detach(participant);
}
}
public static void ClearLoginSecret(Participant participant)
{
using (DaemonEntities entities = new DaemonEntities())
{
entities.Attach(participant);
participant.LoginSecret = null;
participant.LoginSecretExpires = null;
entities.SaveChanges();
entities.Detach(participant);
}
}
public static void UpdateObject(CloudObject cloudObject)
{
using (DaemonEntities entities = new DaemonEntities())
{
try
{
entities.Attach(cloudObject);
ObjectType objectType = QueryUtil.First <ObjectType>(from o in entities.CloudObject where o.CloudObjectId == cloudObject.CloudObjectId select o.ObjectType);
Participant participant = QueryUtil.First <Participant>(from o in entities.CloudObject where o.CloudObjectId == cloudObject.CloudObjectId select o.Participant);
cloudObject.Modified = DateTime.Now;
entities.SaveChanges();
}
finally
{
entities.Detach(cloudObject);
}
}
}
public static CloudObject AddObject(Participant participant, ObjectType objectType, Bubble bubble)
{
using (DaemonEntities entities = new DaemonEntities())
{
try
{
entities.Attach(participant);
entities.Attach(objectType);
entities.Attach(bubble);
CloudObject cloudObject = new CloudObject
{
CloudObjectId = Guid.NewGuid(),
Participant = participant,
ObjectType = objectType,
Bubble = bubble,
Name = "New " + objectType.Name,
Radius = objectType.Radius,
Mass = objectType.Mass,
ModelUrl = objectType.ModelUrl,
ModelScale = objectType.ModelScale,
X = 0,
Y = 0,
Z = 0,
OX = 0,
OY = 0,
OZ = 0,
OW = 0,
Created = DateTime.Now,
Modified = DateTime.Now,
Enabled = false
};
entities.AddToCloudObject(cloudObject);
entities.SaveChanges();
entities.Detach(cloudObject);
return(cloudObject);
}
finally
{
entities.Detach(participant);
entities.Detach(objectType);
entities.Detach(bubble);
}
}
}
public static Participant AttachParticipantProfileToOpenIdIdentity(int userId, string openIdUrl)
{
using (DaemonEntities entities = new DaemonEntities())
{
OpenIdUser user = (from u in entities.OpenIdUser where u.UserId == userId select u).First <OpenIdUser>();
Participant participant = QueryUtil.First <Participant>(from p in entities.Participant where p.User.UserId == user.UserId select p);
// If participant is not attached try to find existing participant with openIdUrl
if (participant == null)
{
participant = QueryUtil.First <Participant>(from p in entities.Participant where p.OpenIdUrl == openIdUrl select p);
if (participant != null)
{
// If participant is not attached to user then attach it.
if (participant.User == null)
{
participant.User = user;
entities.SaveChanges();
}
else
{
throw new ArgumentException("Participant exists with the same OpenId but already connected to different user.");
}
}
}
// If participant is still null then create new participant and attach to user.
if (participant == null)
{
participant = new Participant
{
ParticipantId = new Guid(UUIDGenerator.Current.GenerateNameBasedUUID(new UUID(MxpConstants.MxpNamespaceId.ToString()), openIdUrl).ToString()),
OpenIdUrl = openIdUrl,
User = user
};
entities.AddToParticipant(participant);
entities.SaveChanges();
}
entities.Detach(participant);
return(participant);
}
}
public static LocalProcess ReserveLocalProcess(Participant participant, string address)
{
using (DaemonEntities entities = new DaemonEntities())
{
entities.Attach(participant);
try
{
int serverPort = MxpConstants.DefaultServerPort;
if ((from l in entities.LocalProcess select l).Count() > 0)
{
serverPort = (from l in entities.LocalProcess select l).Max(l => l.ServerPort) + 2;
}
int hubPort = serverPort + 1;
LocalProcess localProcess = new LocalProcess
{
LocalProcessId = Guid.NewGuid(),
Participant = participant,
Name = "(" + serverPort + "," + hubPort + ")",
Address = address,
ServerPort = serverPort,
HubPort = hubPort,
Enabled = false
};
entities.AddToLocalProcess(localProcess);
entities.SaveChanges();
entities.Detach(localProcess);
return(localProcess);
}
finally
{
entities.Detach(participant);
}
}
}
public void TestParticipantDatabase()
{
using (DaemonEntities daemonEntities = new DaemonEntities("metadata=res://*/Daemon.csdl|res://*/Daemon.ssdl|res://*/Daemon.msl;provider=System.Data.SqlClient;provider connection string=';Data Source=.\\SQLEXPRESS;AttachDbFilename=" + Directory.GetParent(this.GetType().Assembly.Location).Parent.Parent.Parent.FullName + "\\CloudDaemonWeb\\App_Data\\CloudDaemonWeb.mdf;Integrated Security=True;User Instance=True;MultipleActiveResultSets=True'"))
{
Guid participantId = Guid.NewGuid();
string openIdUrl = "http://testid.openid.com/";
Participant newParticipant = new Participant
{
ParticipantId = participantId,
OpenIdUrl = openIdUrl
};
daemonEntities.AddToParticipant(newParticipant);
daemonEntities.SaveChanges();
IQueryable <Participant> participantQuery =
from p in daemonEntities.Participant where p.ParticipantId == participantId select p;
Assert.AreEqual(1, participantQuery.Count <Participant>());
IEnumerator <Participant> enumerator = participantQuery.GetEnumerator();
enumerator.MoveNext();
Participant loadedParticipant = enumerator.Current;
enumerator.Dispose();
Assert.AreEqual(participantId, loadedParticipant.ParticipantId);
Assert.AreEqual(openIdUrl, loadedParticipant.OpenIdUrl);
daemonEntities.DeleteObject(loadedParticipant);
daemonEntities.SaveChanges();
Assert.AreEqual(0, (from p in daemonEntities.Participant where p.ParticipantId == participantId select p).Count <Participant>());
}
}
public static BubbleLink AddBubleLink(Participant participant, Bubble bubble)
{
using (DaemonEntities entities = new DaemonEntities())
{
try
{
entities.Attach(participant);
entities.Attach(bubble);
if (bubble.Participant != participant)
{
throw new UnauthorizedAccessException("You are not owner of this bubble.");
}
BubbleLink bubbleLink = new BubbleLink
{
BubbleLinkId = Guid.NewGuid(),
RemoteBubbleId = Guid.Empty,
Bubble = bubble,
Name = "New Bubble Link",
Address = "127.0.0.1",
Port = MxpConstants.DefaultHubPort,
X = 50,
Y = 50,
Z = 0,
Enabled = false
};
entities.AddToBubbleLink(bubbleLink);
entities.SaveChanges();
entities.Detach(bubbleLink);
return(bubbleLink);
}
finally
{
entities.Detach(bubble);
entities.Detach(participant);
}
}
}
private void timer_Tick(object state)
{
try
{
DaemonEntities entityContext = new DaemonEntities();
List <LocalProcess> localProcessEntities = (
from lp in entityContext.LocalProcess select lp).ToList <LocalProcess>();
foreach (LocalProcess localProcessEntity in localProcessEntities)
{
LocalProcessState localProcessState = QueryUtil.First <LocalProcessState>(
from lps in entityContext.LocalProcessState where lps.LocalProcess.LocalProcessId == localProcessEntity.LocalProcessId select lps);
if (localProcessEntity.Enabled)
{
if (localProcessState == null)
{
Process process = Process.Start(Directory.GetParent(this.GetType().Assembly.Location).FullName + "\\DaemonProcess.exe", localProcessEntity.LocalProcessId.ToString() + " --db-log");
}
}
if (localProcessState != null)
{
if (DateTime.Now - localProcessState.Modified > new TimeSpan(0, 0, 60))
{
entityContext.DeleteObject(localProcessState);
entityContext.SaveChanges();
}
}
}
}
catch (Exception e)
{
Trace.TraceError("Error in process guard loop: " + e.ToString() + " : " + e.StackTrace);
Thread.Sleep(1000);
}
}
public void Startup()
{
lock (this)
{
Thread.CurrentThread.Name = LocalProcessId.ToString() + "-main";
MxpOptions.ThreadNamePrefix = LocalProcessId.ToString();
LogUtil.Info("Daemon Process startup...");
if (service != null)
{
throw new Exception("DaemonProcess already started.");
}
// Preparing database entity context.
entityContext = new DaemonEntities();
// Loading configuration from database.
localProcessEntity = QueryUtil.First <LocalProcess>(
from lp in entityContext.LocalProcess where lp.LocalProcessId == LocalProcessId select lp);
participantEntity = QueryUtil.First <DaemonLogic.Participant>(
from lp in entityContext.LocalProcess where lp.LocalProcessId == LocalProcessId select lp.Participant);
remoteProcessEntities = (from rp in entityContext.RemoteProcess where rp.LocalProcess.LocalProcessId == LocalProcessId select rp).ToList <RemoteProcess>();
bubbleEntities = (from b in entityContext.Bubble where b.LocalProcess.LocalProcessId == LocalProcessId select b).ToList <Bubble>();
LogUtil.Info("Loaded local process configuration: " + localProcessEntity.Address + ":" + localProcessEntity.ServerPort + "/" + localProcessEntity.HubPort);
// Creating service, bubbles and bubble links.
service = new CloudService(ConfigurationManager.AppSettings["DaemonMemberWeb"],
localProcessEntity.Address,
localProcessEntity.HubPort,
localProcessEntity.ServerPort,
localProcessEntity.Name,
DaemonProcessConstants.ProgramMajorVersion,
DaemonProcessConstants.ProgramMinorVersion);
foreach (Bubble bubble in bubbleEntities)
{
CloudBubble cloudBubble = new CloudBubble(bubble.BubbleId, bubble.Name, (float)bubble.Range, (float)bubble.PerceptionRange);
cloudBubble.ParticipantConnectAuthorize += OnParticipantConnectAuthorize;
cloudBubble.CloudParticipantDisconnected += OnCloudParticipantDisconnected;
service.AddBubble(cloudBubble);
foreach (RemoteProcess remoteProcess in remoteProcessEntities)
{
cloudBubble.AddAllowedRemoteHubAddress(remoteProcess.Address);
}
// Loading bubble link configuration from database.
List <DaemonLogic.BubbleLink> bubbleLinkConfigurations = (from b in entityContext.BubbleLink where b.Bubble.BubbleId == bubble.BubbleId select b).ToList <DaemonLogic.BubbleLink>();
foreach (DaemonLogic.BubbleLink bubbleLink in bubbleLinkConfigurations)
{
service.AddBubbleLink(bubble.BubbleId, bubbleLink.RemoteBubbleId, bubbleLink.Address, bubbleLink.Port, (float)-bubbleLink.X, (float)-bubbleLink.Y, (float)-bubbleLink.Z,
true, true);
}
}
// Saving process state info to database.
localProcessStateEntity = new LocalProcessState
{
LocalProcessStateId = Guid.NewGuid(),
LocalProcess = localProcessEntity,
Participant = participantEntity,
Created = DateTime.Now,
Modified = DateTime.Now,
Cpu = OnGetProcessingTime(),
Mem = (System.Diagnostics.Process.GetCurrentProcess().WorkingSet64) / 1024
};
entityContext.AddToLocalProcessState(localProcessStateEntity);
entityContext.SaveChanges();
service.Startup(false);
LogUtil.Info("Daemon Process startup done.");
}
}
