Posted: Jul 27, 2010 @ 04:21 AM             Msg. 1 of 6

The question is regarding AutoReconncet feature

1. If connection issue occuires then OnDisconnectedEvent fired.

2. I was subscribed for 4 contracts for Price and DOM.

After autoreconnect i got OnLoginCompleteEvent
OECClient::Global->Contracts->Count is now 1 ( and not 4)

and my question is:

may I call again:

- RequestContracts (for previously requested 4 contracts)
- OECClient::Global->subscribe(contract);
- OECClient::Global->subscribeDOM(contract);

I tried to call RequestContracts, but then OnContractsChanged never called.

3. For some reason after autoreconnect I have feed Price update for one ocntract only.
(Probably because i have open positions on this contract?)

I do not receive DOM update for this contract as well.
My login username is AAnatoly2
Last time disconnected from api.openecry.com today 20 minutes before this message/

Please, clarify how it should work.

Regards,
Anatoly

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Anatoly Gutnick
Edited by AAnatoly on Jul 27, 2010 at 06:44:38

Posted: Aug 02, 2010 @ 11:39 AM             Msg. 2 of 6

After OnLoginCompleteEvent everything should be re-requested and re-subscribed the same way as it would be done for the first time.

You are right: OEC API subscribes automatically quotes for open positions.



I see a bunch of processed contract requests for this time period from this username in our server logs.

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Victor Vins
Software Developer

Posted: Aug 04, 2010 @ 03:57 AM             Msg. 3 of 6

I tried again.

After disconnect OnLoginCompleteEnent is called.
Then we re-request 207 contracts as after regular Login.

But OnContractsChanged never called after reconnect.
Price update come to only one contract ESU0.

Here are lgs of OEC client.

10:43:16.262 Dbg Reader Price PLogin to OEC Server 4.0.0.0
10:43:16.262 Dbg Reader Order Login to OEC Server 4.0.0.0
10:43:17.535 Dbg System #8 AAnatoly2 : Loading
10:43:17.723 Dbg System #8 AAnatoly2 : Loaded, API: 93.75ms, Client: 93.75ms
10:47:54.934 Dbg System #8 DOM ZBU0 : 733987.07:47:54.9185000
10:47:55.913 Dbg System #8 DOM EMDU0 : 733987.07:47:55.9185000
10:47:56.902 Dbg System #8 DOM ESU0 : 733987.07:47:56.9028750
10:47:57.913 Dbg System #8 DOM ESH1 : 733987.07:47:57.9185000
10:47:58.927 Dbg System #8 DOM M6EU0 : 733987.07:47:58.9341250
10:47:59.912 Dbg System #8 DOM NQU0 : 733987.07:47:59.9185000
10:48:00.912 Dbg System #8 DOM FSTXU0 : 733987.07:48:00.9185000
10:48:03.099 Dbg System #8 DOM M6EU0 : 00:00:04.3860000
10:48:04.663 Dbg System #8 DOM NQU0 : 00:00:03.4645000
10:48:06.758 Dbg System #8 DOM FSTXU0 : 00:00:06.0582500
10:48:07.320 Dbg System #8 DOM EMDU0 : 00:00:06.0577500
10:48:07.569 Dbg System #8 DOM ESH1 : 00:00:09.8707500
10:48:12.350 Dbg System #8 DOM EMDU0 : 00:00:03.2770000
10:48:13.757 Dbg System #8 DOM FSTXU0 : 00:00:06.2142500
10:48:15.991 Dbg System #8 DOM NQU0 : 00:00:04.6356250
10:48:16.288 Dbg System #8 DOM ZBU0 : 00:00:04.4015000
10:48:18.929 Dbg System #8 DOM EMDU0 : 00:00:06.7921250
10:48:22.164 Dbg System #8 DOM NQU0 : 00:00:03.0891250
10:48:23.241 Dbg System #8 DOM EMDU0 : 00:00:04.5422500
10:48:25.398 Dbg System #8 DOM NQU0 : 00:00:03.4635000
10:48:26.303 Dbg System #8 DOM FSTXU0 : 00:00:04.2607500
10:48:27.087 Dbg System #8 DOM ESH1 : 00:00:18.6520000
10:48:30.180 Dbg System #8 DOM EMDU0 : 00:00:03.0887500
10:48:30.183 Dbg System #8 DOM ESH1 : 00:00:03.1977500
10:48:30.304 Dbg System #8 DOM FSTXU0 : 00:00:04.2287500
10:48:34.182 Dbg System #8 DOM NQU0 : 00:00:03.7287500
10:48:37.976 Dbg System #8 DOM ZBU0 : 00:00:03.3856250
10:48:40.101 Dbg System #8 DOM M6EU0 : 00:00:29.7456250
10:48:40.147 Dbg System #8 DOM ESH1 : 00:00:03.1355000
10:48:40.383 Dbg System #8 DOM FSTXU0 : 00:00:06.3068750
10:48:51.589 Dbg System #8 DOM NQU0 : 00:00:05.8690000
10:48:53.353 Dbg System #8 DOM FSTXU0 : 00:00:09.2596250
10:48:54.336 Dbg System #8 DOM ZBU0 : 00:00:13.4160000
10:48:54.822 Dbg System #8 DOM NQU0 : 00:00:03.4623750
10:48:56.824 Dbg System #8 DOM EMDU0 : 00:00:11.0727500
10:49:00.460 Dbg System #8 DOM ZBU0 : 00:00:03.0723750
10:49:01.383 Dbg System #8 DOM FSTXU0 : 00:00:03.2122500
10:49:03.446 Dbg System #8 DOM NQU0 : 00:00:03.3377500
10:49:05.304 Dbg System #8 DOM EMDU0 : 00:00:05.7901250
10:49:05.444 Dbg System #8 DOM M6EU0 : 00:00:06.5877500
10:49:10.882 Dbg System #8 DOM EMDU0 : 00:00:05.5562500
10:49:17.104 Dbg System #8 DOM M6EU0 : 00:00:07.7590000
10:49:17.121 Dbg System #8 DOM NQU0 : 00:00:11.9156250
10:49:17.180 Dbg System #8 DOM EMDU0 : 00:00:03.2591250
10:49:24.289 Dbg System #8 DOM M6EU0 : 00:00:07.3525000
10:49:26.555 Dbg System #8 DOM NQU0 : 00:00:07.4151250
10:49:26.617 Dbg System #8 DOM EMDU0 : 00:00:08.5246250
10:49:26.961 Dbg System #8 DOM FSTXU0 : 00:00:03.2583750
10:49:28.632 Dbg System #8 DOM ESH1 : 00:00:48.5722500
10:49:36.463 Dbg System #8 DOM NQU0 : 00:00:03.3833750
10:49:36.477 Dbg System #8 DOM M6EU0 : 00:00:07.9620000
10:49:40.479 Dbg System #8 DOM FSTXU0 : 00:00:07.2430000
10:49:41.831 Dbg System #8 DOM NQU0 : 00:00:05.6023750
10:49:41.867 Dbg System #8 DOM ESH1 : 00:00:13.3366250
10:49:41.901 Dbg System #8 DOM EMDU0 : 00:00:12.5238750
10:49:47.899 Dbg System #8 DOM ZBU0 : 00:00:06.1798750
10:49:50.712 Dbg System #8 DOM NQU0 : 00:00:03.5703750
10:49:51.009 Dbg System #8 DOM FSTXU0 : 00:00:05.7732500
10:49:52.273 Dbg System #8 DOM M6EU0 : 00:00:16.0238750
10:49:52.820 Dbg System #8 DOM EMDU0 : 00:00:07.5707500
10:49:55.179 Dbg System #8 DOM M6EU0 : 00:00:03.1331250
10:49:55.692 Dbg System #8 DOM ESH1 : 00:00:13.2577500
10:50:06.606 Dbg System #8 DOM NQU0 : 00:00:04.3200000
10:50:10.263 Dbg System #8 DOM EMDU0 : 00:00:03.7412500
10:50:13.450 Dbg System #8 DOM M6EU0 : 00:00:06.4607500
10:50:21.544 Dbg Reader Order MainStream disconnected: System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) at OEC.CommLib.PacketSocket.ReadLen(Byte[] buf, Int32 length) at OEC.CommLib.PacketSocket.Read() at OEC.CommLib.ProtoSocket.Read[T]() at OEC.CommLib.ProtoClient`2.ReadLoop()
10:50:21.545 Dbg Reader Price PriceStream disconnected: System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) at OEC.CommLib.PacketSocket.ReadLen(Byte[] buf, Int32 length) at OEC.CommLib.PacketSocket.Read() at OEC.CommLib.ProtoSocket.Read[T]() at OEC.CommLib.ProtoClient`2.ReadLoop()
10:51:00.032 Dbg Reader Order Login to OEC Server 4.0.0.0
10:51:01.226 Dbg System #8 AAnatoly2 : Loading
10:51:01.284 Dbg System #8 AAnatoly2 : Loaded, API: 0ms, Client: 46.875ms
10:51:04.674 Dbg Reader Price PLogin to OEC Server 4.0.0.0

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Anatoly Gutnick

Edited by AAnatoly on Aug 4, 2010 at 03:58:21
Edited by AAnatoly on Aug 4, 2010 at 04:00:48

Posted: Aug 04, 2010 @ 08:35 AM             Msg. 4 of 6

I cannot reproduce it with slightly modified OECAPI Advanced Sample (enabled AutoReconnect, added OnContractsChanged handler with simple output to log). Can you check the same sample on your side?

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Victor Vins
Software Developer

Posted: Aug 04, 2010 @ 09:36 AM             Msg. 5 of 6

1. The same flow is working with 'OECAPI Advanced Sample'.

2. But in our application it is not working.
I have all activity in trace.

1) OnLoginComplete is called after disconnect

and at this moment:
OECClient.Global.Contracts.Count == 1

2) RequestContracts is called
3) OnContractsChanged is never called any more.

I tried to find in OECAPI log file any info:

- RequestContracts trace;
- OnContractsChanged trace;

Questions:

1. Do you see RequestContracts on server side?

2. If so then probalby OnContractsChanged is not called due some threading issue.

But PriceUpdate callback is called for one contract that was availible when OnLoginComplete is called without Request.

Any idea?

3. What AutoReconnect feature provide?

We still need to Re-Request and Re-Subscribe -
this is not done Automatically.

So, it is only automaticaly re-login that can be done by application?

What about orders? (OECClient.Global.Orders.Values - this will be loaded automatically after Relogin?)

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Anatoly Gutnick

Posted: Aug 04, 2010 @ 10:07 AM             Msg. 6 of 6

Yes, I see processed contract requests from your application and from Advanced Sample in server logs.

I cannot help with potential issue in your application with multi-threading, because of lack of information about your application. Please compare your application and Advanced Sample to figure out the reason.

Auto-reconnection just reconnects disconnected connections.


Not sure what do you mean.


OECAPI doesn't provide "request functionality" for orders, positions and accounts. So, automatic reloading is only option.

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Victor Vins
Software Developer