/// <summary>
/// Internal execute function to be called asynchronously.
/// </summary>
/// <param id="state">The server state object associated with the execution.</param>
private static void execute(ServerState state)
{
Interlocked.Increment(ref runningJobs);
//get the execution context
SerializationEngine serializer = new SerializationEngine ();
Transfers.ExecutionContext context = (Transfers.ExecutionContext)serializer.Deserialize(state.GetDataArray());
byte[] res = DomainManager.ExecuteIncoming(context);
Transfers.ExecutionResult result = new Transfers.ExecutionResult(res, context.ContextID, context.DomainKey, ClusterManager.NodeID);
state.Write(MessageType.EXECUTION_COMPLETE, serializer.Serialize(result));
Interlocked.Decrement(ref runningJobs);
}
/// <summary>
/// A dispatch event to be rasied upon reception of an assembly from the Presto client application.
/// </summary>
/// <param id="state">The server state object recieved along with this event.</param>
private static void recieveAssemblyMaster(ServerState state)
{
//close the socket
state.CloseSocket();
//create a new domain and add the assembly to it
string domainkey = Generator.RandomAlphaNumeric(Config.UIDLength);
DomainManager.CreateDomain(domainkey);
DomainManager.LoadAssemblyIntoDomain(domainkey, state.GetDataArray());
//push assembly onto executor to be executed
Executor.ExecuteModule(domainkey);
}
/// <summary>
/// A dispatch event to be rasied upon reception of an assembly from another Presto server..
/// </summary>
/// <param id="state">The server state object recieved along with this event.</param>
private static void recieveAssemblySlave(ServerState state)
{
//get the slave assembly struct
SerializationEngine serializer = new SerializationEngine ();
SlaveAssembly slaveAssembly = (SlaveAssembly)serializer.Deserialize(state.GetDataArray());
//create the domain and add the assembly to it
DomainManager.CreateDomain(slaveAssembly.DomainKey);
if(!DomainManager.DomainHasAssembly(slaveAssembly.DomainKey, slaveAssembly.AssemblyName)){
DomainManager.LoadAssemblyIntoDomain(slaveAssembly.DomainKey, slaveAssembly.AssemblyImage);
}
Presto.Remote.Node from = Nodes.GetNodeByID(slaveAssembly.NodeID);
if (from != null)
{
from.SetLoadedAssembly(slaveAssembly.AssemblyName);
from.SetLoadedDomain(slaveAssembly.DomainKey);
}
//send back assembly transfer complete message
state.Write(MessageType.ASSEMBLY_TRANSFER_COMPLETE);
}
/// <summary>
/// Recieve a user message from a remote node.
/// </summary>
/// <param name="state">The server state object of this transfer.</param>
private static void receiveMessage(ServerState state)
{
SerializationEngine serializer = new SerializationEngine ();
UserMessage message = (UserMessage)serializer.Deserialize(state.GetDataArray());
DomainManager.DeliverMessage(message);
}
