private void Activate_Entrypoint(object state)
{
// REC: The service can only be activated if it is
// currently in the closed state.
if (_serviceState == VfxFixServiceStates.Service_State_Closed)
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Opened;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Opened;
// REC: Dispatch the service started event:
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Started = EventDispatch;
if (tmpDispatch_Started != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Started, _serviceStatus);
tmpDispatch_Started(this, tmpArgs);
}
// REC: The service doesn't support a timed wait right now, so the
// connection attempts start immediately:
_serviceStatus = VfxFixServiceStatus.Service_Status_Connecting;
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Connecting = EventDispatch;
if (tmpDispatch_Connecting != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Started, _serviceStatus);
tmpDispatch_Connecting(this, tmpArgs);
}
// REC: Activate the IPC endpoint so that the
// connection can be established to the peer:
_ipcEndpoint.Activate();
}
}
/// <summary>
/// The HandleIpc_EventClosed event handler is invoked in
/// response to the service being notified that the session
/// has been disconnected from the peer system.
/// </summary>
/// <param name="sender">
/// The IPC session that is dispatching the event.
/// </param>
/// <param name="args">
/// The details of the IPC event being dispatched.
/// </param>
private void HandleIpc_EventClosed(object sender, VfxIpcEventArgs args)
{
lock (_synch)
{
// REC: The IPC session is no longer established:
_ipcEstablished = false;
// REC: Notify the FIX session that the peer system
// is no longer connected:
_fixSession.HandleDisconnect();
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Disconnected;
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Update = EventDispatch;
if (tmpDispatch_Update != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Updated, _serviceStatus);
tmpDispatch_Update(this, tmpArgs);
}
// REC: If the service is closing, then the disconnection
// of the IPC endpoint is the last thing that needs to be
// completed before dispatching the stopped event back up
// to the service's owner/subscribers:
if (_serviceState == VfxFixServiceStates.Service_State_Closing)
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Stopped = EventDispatch;
if (tmpDispatch_Stopped != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch_Stopped(this, tmpArgs);
}
}
else
{
// REC: If the service is not configured to reconnect
// to the peer system, then it is now stopped:
// NOTE: Add reconnect logic here!
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Stopped = EventDispatch;
if (tmpDispatch_Stopped != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch_Stopped(this, tmpArgs);
}
}
}
}
/// <summary>
/// The HandleIpc_EventOpened method is invoked in response
/// to the IPC endpoint establishing a connection to the peer
/// system that the service is interacting with.
/// </summary>
/// <param name="sender">
/// The VfxIpcEndpoint that dispatched the event.
/// </param>
/// <param name="args">
/// The details associated with the event.
/// </param>
private void HandleIpc_EventOpened(object sender, VfxIpcEventArgs args)
{
lock (_synch)
{
// REC: The IPC session is now established.
_ipcEstablished = true;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Opened;
// REC: Dispatch the update to the service's subscribers:
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Update = EventDispatch;
if (tmpDispatch_Update != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Updated, _serviceStatus);
tmpDispatch_Update(this, tmpArgs);
}
// REC: Retrieve the version definition from the version
// definition registry and determine what kind of session
// needs to be created in order to handle the connection:
IVfxFixVxRegistry vxRegistry = this._localServices.GetService(typeof(IVfxFixVxRegistry)) as IVfxFixVxRegistry;
// REC: Create a new instance of a FIX session to handle
// the communication between the server and the peer:
IVfxFixSession fixSession = null;
// REC: Check the version definition in order to tell if
// this is a FIX 4.x or FIX 5.x service:
VfxFixVxRecord vxRecord = vxRegistry.Get(this._sxVersion);
if (vxRecord.Layer.ToLower().CompareTo("combined") == 0)
{
fixSession = new VfxFix4xClientSession();
}
else
{
fixSession = new VfxFix5xClientSession();
}
_fixSession = fixSession;
// REC: Initialize the session:
_fixSession.Init(this._localServices, this);
// REC: Construct an instance of the session wrapper
// for the FIX application and bind it to the session
// implementation that has been created:
_appSession = new VfxFixClientSession(_fixSession);
// REC: Notify the FIX session implementation that it
// has been connected to a peer system:
_fixSession.HandleConnect();
}
}
/// <summary>
/// The Shutdown_Entrypoint method is the asynchronous entrypoint
/// for the shutdown operation. It is invoked by the thread pool.
/// </summary>
/// <param name="state"></param>
private void Shutdown_Entrypoint(object state)
{
lock (_synch)
{
// REC: The service can only be shutdown if it
// is currently in the opened state:
if (_serviceState == VfxFixServiceStates.Service_State_Opened)
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closing;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closing;
// REC: Dispatch an update to the service's subscribers:
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Update = EventDispatch;
if (tmpDispatch_Update != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Updated, _serviceStatus);
tmpDispatch_Update(this, tmpArgs);
}
// REC: If the FIX session is established, it needs
// to be shutdown before the service can stop:
if (_fixEstablished == true)
{
_fixSession.HandleShutdown();
}
else if (_ipcEstablished == true)
{
_ipcEndpoint.Shutdown();
}
else
{
// REC: Neither the IPC session nor the FIX session
// are currently established, so the service should
// just dispatch the shutdown event to its owner:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's status to reflect the new state:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
EventHandler <VfxFixServiceEventArgs> tmpDispatch = EventDispatch;
if (tmpDispatch != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch(this, tmpArgs);
}
}
}
}
}
/// <summary>
/// The OnSessionStopped callback method is invoked in response
/// to an instance of a session being shutdown.
/// </summary>
/// <param name="session">
/// The FIX session that the event relates to.
/// </param>
public void OnSessionClosed(IVfxFixSession session)
{
// REC: Determine which application session corresponds to
// the FIX session that the event is coming from and route
// the appropriate notification to it.
if (_mapAppSessions.ContainsKey(session.InstanceId))
{
IVfxFixAppSession appSession = _mapAppSessions[session.InstanceId];
_application.OnSessionClosed(appSession);
}
// REC: If there is currently an IPC session in place
// that corresponds to the FIX session, it needs to be
// disconnected at this point:
if (_mapFixToIpc.ContainsKey(session.InstanceId))
{
_endpoint.Shutdown(_mapFixToIpc[session.InstanceId]);
}
else
{
// REC: Since the FIX session has been closed, it can
// be removed from the active sessions map:
if (_mapFixSessions.ContainsKey(session.InstanceId))
{
_mapFixSessions.Remove(session.InstanceId);
}
}
if (_serviceState == VfxFixServiceStates.Service_State_Closing)
{
if (_mapFixSessions.Count == 0)
{
// REC: Adjust the service's state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
// REC: Dispatch the closed event:
EventHandler <VfxFixServiceEventArgs> tmpDispatch = EventDispatch;
if (tmpDispatch != null)
{
VfxFixServiceEventArgs args = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch(this, args);
}
}
}
}
private void Activate_Entrypoint(object state)
{
if (_serviceState == VfxFixServiceStates.Service_State_Closed)
{
_serviceState = VfxFixServiceStates.Service_State_Opened;
_serviceStatus = VfxFixServiceStatus.Service_Status_Opened;
// REC: Dispatch the service started event:
EventHandler <VfxFixServiceEventArgs> tmpDispatch_Started = EventDispatch;
if (tmpDispatch_Started != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Started, _serviceStatus);
tmpDispatch_Started(this, tmpArgs);
}
_endpoint.Activate();
}
}
private void Shutdown_Entrypoint(object state)
{
if (_serviceState == VfxFixServiceStates.Service_State_Opened)
{
// REC: Adjust the service's state:
_serviceState = VfxFixServiceStates.Service_State_Closing;
// REC: Adjust the service's status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closing;
// REC: Shutdown the IPC endpoint first:
_endpoint.Shutdown();
// REC: If there are any active FIX sessions, then they
// need to be shutdown before the service can be shutdown.
if (_mapFixSessions.Count > 0)
{
// REC: Iterate over all of the sessions and instruct
// each one to shut itself down:
foreach (Guid key in _mapFixSessions.Keys)
{
_mapFixSessions[key].HandleShutdown();
}
}
else
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
// REC: Dispatch the service stopped notification:
EventHandler <VfxFixServiceEventArgs> tmpDispatch = EventDispatch;
if (tmpDispatch != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch(this, tmpArgs);
}
}
}
}
private void Shutdown_Entrypoint(object state)
{
if (_serviceState == VfxFixServiceStates.Service_State_Opened)
{
// REC: Adjust the service's state:
_serviceState = VfxFixServiceStates.Service_State_Closing;
// REC: Adjust the service's status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closing;
// REC: Shutdown the IPC endpoint first:
_endpoint.Shutdown();
// REC: If there are any active FIX sessions, then they
// need to be shutdown before the service can be shutdown.
if (_mapFixSessions.Count > 0)
{
// REC: Iterate over all of the sessions and instruct
// each one to shut itself down:
foreach (Guid key in _mapFixSessions.Keys)
{
_mapFixSessions[key].HandleShutdown();
}
}
else
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
// REC: Dispatch the service stopped notification:
EventHandler<VfxFixServiceEventArgs> tmpDispatch = EventDispatch;
if (tmpDispatch != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch(this, tmpArgs);
}
}
}
}
private void Activate_Entrypoint(object state)
{
if (_serviceState == VfxFixServiceStates.Service_State_Closed)
{
_serviceState = VfxFixServiceStates.Service_State_Opened;
_serviceStatus = VfxFixServiceStatus.Service_Status_Opened;
// REC: Dispatch the service started event:
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Started = EventDispatch;
if (tmpDispatch_Started != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Started, _serviceStatus);
tmpDispatch_Started(this, tmpArgs);
}
_endpoint.Activate();
}
}
/// <summary>
/// The OnSessionStopped callback method is invoked in response
/// to an instance of a session being shutdown.
/// </summary>
/// <param name="session">
/// The FIX session that the event relates to.
/// </param>
public void OnSessionClosed(IVfxFixSession session)
{
// REC: Determine which application session corresponds to
// the FIX session that the event is coming from and route
// the appropriate notification to it.
if (_mapAppSessions.ContainsKey(session.InstanceId))
{
IVfxFixAppSession appSession = _mapAppSessions[session.InstanceId];
_application.OnSessionClosed(appSession);
}
// REC: If there is currently an IPC session in place
// that corresponds to the FIX session, it needs to be
// disconnected at this point:
if (_mapFixToIpc.ContainsKey(session.InstanceId))
{
_endpoint.Shutdown(_mapFixToIpc[session.InstanceId]);
}
else
{
// REC: Since the FIX session has been closed, it can
// be removed from the active sessions map:
if (_mapFixSessions.ContainsKey(session.InstanceId))
{
_mapFixSessions.Remove(session.InstanceId);
}
}
if (_serviceState == VfxFixServiceStates.Service_State_Closing)
{
if (_mapFixSessions.Count == 0)
{
// REC: Adjust the service's state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
// REC: Dispatch the closed event:
EventHandler<VfxFixServiceEventArgs> tmpDispatch = EventDispatch;
if (tmpDispatch != null)
{
VfxFixServiceEventArgs args = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch(this, args);
}
}
}
}
/// <summary>
/// The Shutdown_Entrypoint method is the asynchronous entrypoint
/// for the shutdown operation. It is invoked by the thread pool.
/// </summary>
/// <param name="state"></param>
private void Shutdown_Entrypoint(object state)
{
lock (_synch)
{
// REC: The service can only be shutdown if it
// is currently in the opened state:
if (_serviceState == VfxFixServiceStates.Service_State_Opened)
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closing;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closing;
// REC: Dispatch an update to the service's subscribers:
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Update = EventDispatch;
if (tmpDispatch_Update != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Updated, _serviceStatus);
tmpDispatch_Update(this, tmpArgs);
}
// REC: If the FIX session is established, it needs
// to be shutdown before the service can stop:
if(_fixEstablished == true)
{
_fixSession.HandleShutdown();
}
else if(_ipcEstablished == true)
{
_ipcEndpoint.Shutdown();
}
else
{
// REC: Neither the IPC session nor the FIX session
// are currently established, so the service should
// just dispatch the shutdown event to its owner:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's status to reflect the new state:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
EventHandler<VfxFixServiceEventArgs> tmpDispatch = EventDispatch;
if (tmpDispatch != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch(this, tmpArgs);
}
}
}
}
}
/// <summary>
/// The HandleIpc_EventOpened method is invoked in response
/// to the IPC endpoint establishing a connection to the peer
/// system that the service is interacting with.
/// </summary>
/// <param name="sender">
/// The VfxIpcEndpoint that dispatched the event.
/// </param>
/// <param name="args">
/// The details associated with the event.
/// </param>
private void HandleIpc_EventOpened(object sender, VfxIpcEventArgs args)
{
lock (_synch)
{
// REC: The IPC session is now established.
_ipcEstablished = true;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Opened;
// REC: Dispatch the update to the service's subscribers:
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Update = EventDispatch;
if (tmpDispatch_Update != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Updated, _serviceStatus);
tmpDispatch_Update(this, tmpArgs);
}
// REC: Retrieve the version definition from the version
// definition registry and determine what kind of session
// needs to be created in order to handle the connection:
IVfxFixVxRegistry vxRegistry = this._localServices.GetService(typeof(IVfxFixVxRegistry)) as IVfxFixVxRegistry;
// REC: Create a new instance of a FIX session to handle
// the communication between the server and the peer:
IVfxFixSession fixSession = null;
// REC: Check the version definition in order to tell if
// this is a FIX 4.x or FIX 5.x service:
VfxFixVxRecord vxRecord = vxRegistry.Get(this._sxVersion);
if (vxRecord.Layer.ToLower().CompareTo("combined") == 0)
{
fixSession = new VfxFix4xClientSession();
}
else
{
fixSession = new VfxFix5xClientSession();
}
_fixSession = fixSession;
// REC: Initialize the session:
_fixSession.Init(this._localServices, this);
// REC: Construct an instance of the session wrapper
// for the FIX application and bind it to the session
// implementation that has been created:
_appSession = new VfxFixClientSession(_fixSession);
// REC: Notify the FIX session implementation that it
// has been connected to a peer system:
_fixSession.HandleConnect();
}
}
/// <summary>
/// The HandleIpc_EventClosed event handler is invoked in
/// response to the service being notified that the session
/// has been disconnected from the peer system.
/// </summary>
/// <param name="sender">
/// The IPC session that is dispatching the event.
/// </param>
/// <param name="args">
/// The details of the IPC event being dispatched.
/// </param>
private void HandleIpc_EventClosed(object sender, VfxIpcEventArgs args)
{
lock (_synch)
{
// REC: The IPC session is no longer established:
_ipcEstablished = false;
// REC: Notify the FIX session that the peer system
// is no longer connected:
_fixSession.HandleDisconnect();
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Disconnected;
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Update = EventDispatch;
if (tmpDispatch_Update != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Updated, _serviceStatus);
tmpDispatch_Update(this, tmpArgs);
}
// REC: If the service is closing, then the disconnection
// of the IPC endpoint is the last thing that needs to be
// completed before dispatching the stopped event back up
// to the service's owner/subscribers:
if (_serviceState == VfxFixServiceStates.Service_State_Closing)
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Stopped = EventDispatch;
if (tmpDispatch_Stopped != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch_Stopped(this, tmpArgs);
}
}
else
{
// REC: If the service is not configured to reconnect
// to the peer system, then it is now stopped:
// NOTE: Add reconnect logic here!
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Closed;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Closed;
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Stopped = EventDispatch;
if (tmpDispatch_Stopped != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Stopped, _serviceStatus);
tmpDispatch_Stopped(this, tmpArgs);
}
}
}
}
private void Activate_Entrypoint(object state)
{
// REC: The service can only be activated if it is
// currently in the closed state.
if (_serviceState == VfxFixServiceStates.Service_State_Closed)
{
// REC: Adjust the service's current state:
_serviceState = VfxFixServiceStates.Service_State_Opened;
// REC: Adjust the service's current status:
_serviceStatus = VfxFixServiceStatus.Service_Status_Opened;
// REC: Dispatch the service started event:
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Started = EventDispatch;
if (tmpDispatch_Started != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Started, _serviceStatus);
tmpDispatch_Started(this, tmpArgs);
}
// REC: The service doesn't support a timed wait right now, so the
// connection attempts start immediately:
_serviceStatus = VfxFixServiceStatus.Service_Status_Connecting;
EventHandler<VfxFixServiceEventArgs> tmpDispatch_Connecting = EventDispatch;
if (tmpDispatch_Connecting != null)
{
VfxFixServiceEventArgs tmpArgs = new VfxFixServiceEventArgs(VfxFixServiceEventTypes.Event_Service_Started, _serviceStatus);
tmpDispatch_Connecting(this, tmpArgs);
}
// REC: Activate the IPC endpoint so that the
// connection can be established to the peer:
_ipcEndpoint.Activate();
}
}