/// <summary>
/// Deletes Media Buffer Server from System
/// </summary>
/// <param name="MediaBufferServerId"></param>
internal bool DeleteMediaBufferServer(OCL.User AccessingUser, OCL.MediaBufferServer TargetMBS)
{
OCL.MediaBufferServer DefaultMBS = (OCL.MediaBufferServer)GetUnassignedObject(OCL.OysterUnassignedObjects.MediaBufferServer);
if(DefaultMBS.mvarID == TargetMBS.mvarID)
return false;
if(!AccessingUser.mvarIsSuperUser)
{
OCL.Group DG = (OCL.Group)GetUnassignedObject(OCL.OysterUnassignedObjects.Group);
OCL.Permission PP = GetPermission(DG,AccessingUser,TargetMBS);
if(!PP.CanDelete)
{
return false;
}
}
//Check if any Sources are attached
string sSQL = "UPDATE tblSource SET MediaBufferServerId = " + DefaultMBS.mvarID +
" WHERE MediaBufferServerId = " + TargetMBS.mvarID;
RF.ExecuteCommandNonQuery(sSQL);
//Now it is safe to DELETE the Source
sSQL = "DELETE FROM tblMediaBufferServer WHERE Id = " + TargetMBS.mvarID;
int numrecs = 0;
try
{
numrecs = RF.ExecuteCommand(sSQL);
if(numrecs < 1)
throw new ArgumentException("Attempt to delete a Media Buffer Server that doesn't exist",TargetMBS.ToString());
}
catch(Exception Err)
{
MediaBufferServer R = GetMediaBufferServer(TargetMBS.mvarID);
if(R != null)
{
throw new ApplicationException("Error attempting to Remove Source: " + R.mvarAddress + ": " +
R.mvarPort + " ERROR MESSAGE: " + Err.Message);
}
else
throw new ArgumentException("Attempt to delete a Media Buffer Server that doesn't exist",TargetMBS.ToString());
}
return true;
}