} // no thread protected
public Application(Config config = null)
{
Config = config;
if (null == Config)
{
Config = Config.Load();
}
InternalThreadPool = new Util.SimpleThreadPool(
Config.InternalThreadPoolWorkerCount, "ZezeSpecialThreadPool");
int workerThreads, completionPortThreads;
ThreadPool.GetMinThreads(out workerThreads, out completionPortThreads);
if (Config.WorkerThreads > 0)
{
workerThreads = Config.WorkerThreads;
}
if (Config.CompletionPortThreads > 0)
{
completionPortThreads = Config.CompletionPortThreads;
}
ThreadPool.SetMinThreads(workerThreads, completionPortThreads);
Config.CreateDatabase(Databases);
GlobalAgent = new GlobalAgent(this);
_checkpoint = new Checkpoint(Databases.Values);
}
public void Stop()
{
lock (this)
{
if (false == IsStart)
{
return;
}
ClearInUseAndIAmSureAppStopped();
IsStart = false;
Checkpoint?.StopAndJoin();
GlobalAgent?.Stop();
foreach (var db in Databases.Values)
{
db.Close();
}
TableSys = null;
Databases.Clear();
}
}
public void Start()
{
lock (this)
{
//ClearInUseAndIAmSureAppStopped();
foreach (var db in Databases.Values)
{
db.DirectOperates.SetInUse(Config.AutoKeyLocalId, Config.GlobalCacheManagerHostNameOrAddress);
}
if (IsStart)
{
return;
}
IsStart = true;
// 由于 AutoKey，TableSys需要先打开。TableSys肯定在defaultDb中。并且要在其他database都初始化table后再加入。
TableSys = new TableSys();
Database defaultDb = GetDatabase("");
defaultDb.storages.Add(TableSys.Open(this, defaultDb));
foreach (var db in Databases.Values)
{
db.Open(this);
}
defaultDb.AddTable(TableSys);
if (Config.GlobalCacheManagerHostNameOrAddress.Length > 0)
{
GlobalAgent.Start(Config.GlobalCacheManagerHostNameOrAddress, Config.GlobalCacheManagerPort);
}
Checkpoint.Start(Config.CheckpointPeriod);
/////////////////////////////////////////////////////
/// Schemas Check
Schemas.Compile();
var keyOfSchemas = Zeze.Serialize.ByteBuffer.Allocate();
keyOfSchemas.WriteString("zeze.Schemas." + Config.AutoKeyLocalId);
while (true)
{
var(data, version) = defaultDb.DirectOperates.GetDataWithVersion(keyOfSchemas);
if (null != data)
{
var SchemasPrevious = new Schemas();
try
{
SchemasPrevious.Decode(data);
SchemasPrevious.Compile();
}
catch (Exception ex)
{
SchemasPrevious = null;
logger.Error(ex, "Schemas Implement Changed?");
}
if (false == Schemas.IsCompatible(SchemasPrevious, Config))
{
throw new Exception("Database Struct Not Compatible!");
}
}
var newdata = Serialize.ByteBuffer.Allocate();
Schemas.Encode(newdata);
if (defaultDb.DirectOperates.SaveDataWithSameVersion(keyOfSchemas, newdata, ref version))
{
break;
}
}
}
}
