#1 2017-06-19 17:56:47

ertank
Member
Registered: 2016-03-16
Posts: 163

Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

Hi,

I tested for educational purposes, if Raspberry Pi 3 is capable of building server code. Actually compilation was successful. It was run-time I get following error:

pi@raspberrypi:~/mORMot/SQLite3/Samples/14 - Interface based services $ sudo ./Project14ServerHttp 
20170619 17092057  +    mORMot.TSQLRestServerFullMemory(76B43020).Shutdown CurrentRequestCount=0 File=
20170619 17092058  -    00.005.173
20170619 17092058 info  mORMot.TSQLRestStorageInMemory(76B2B110) TSQLRestStorageInMemory.Destroy
20170619 17092058 info  mORMot.TSQLRestStorageInMemory(76B2B200) TSQLRestStorageInMemory.Destroy
20170619 17092058 info  mORMot.TSQLRestServerFullMemory(76B43020) TSQLRestServerFullMemory.Destroy
An unhandled exception occurred at $001CEBE4:
EServiceException: TInterfaceFactory.GUID2TypeInfo({9A60C8ED-CEB2-4E09-87D4-4A16F496E5FE}): Interface not registered - use TInterfaceFactory.RegisterInterfaces()
  $001CEBE4  TINTERFACEFACTORY__GUID2TYPEINFO,  line 53490 of /home/pi/mORMot/SQLite3/mORMot.pas
  $001CEB94  TINTERFACEFACTORY__GUID2TYPEINFO,  line 53484 of /home/pi/mORMot/SQLite3/mORMot.pas
  $00193908  TSQLRESTSERVER__SERVICEDEFINE,  line 40995 of /home/pi/mORMot/SQLite3/mORMot.pas
  $00010FCC  main,  line 52 of Project14ServerHttp.dpr

Probably it won't be a good server Raspberry Pi anyway. It was nice to test it though.

Raspberry Pi client connecting to Windows Delphi 10.2 build server, I get error:

TInterfaceFactory.GUID2TypeInfo({some guid number}): Interface not registered - use TInterfaceFactory.RegisterInterfaces().

I am not aware if platform is supported or not. It seems to have problems at the moment. mORMot was a nightly build downloaded today.

Regards,
Ertan

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#2 2017-06-19 18:32:27

AOG
Member
Registered: 2014-02-24
Posts: 490

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

You will need FPC trunk for working interfaces !
Raspberry (arm-linux) is fully supported.

Last edited by AOG (2017-06-19 18:33:13)

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#3 2017-06-19 18:50:42

ertank
Member
Registered: 2016-03-16
Posts: 163

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

I have another project built on this same Raspberry Pi. I better do not change fpc version at the moment.

This was fpc 3.0.2 built from sources (Mon, 06 Feb 2017). Svn tag: release_3_0_2, svn revision 35401 Definetely not "trunk" though.

Thanks for the feedback. I will try again later, once I can upgrade to fpc trunk.

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#4 2017-06-28 21:35:53

ertank
Member
Registered: 2016-03-16
Posts: 163

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

After updating to fpc/trunk I am able to compile and run OK the test server (sample 14).
On the other hand, I have a problem using mORMot with its own communication encryption.

Related server code:

// launch the HTTP server
aHTTPServer := TSQLHttpServer.Create(PORT_NAME, [aServer], '+', useHttpSocket, 32, secSynShaAes);

Related client code:

Client := TSQLHttpClient.Create('192.168.1.101', PORT_NAME, Model);
TSQLHttpClientWinHTTP(Client).Compression := [hcSynShaAes];  // removing this line and everything works

Above code raises following exception for both 32bit & 64bit client EXE:

errorCode: 406
errorText: sicShared execution failed (probably due to bad input parameters) for TestMe.TestString

Raspberry mORMot version: 1.18.3688
Windows mORMot version: 1.18.3599

Sample Windows Delphi 10.2 Tokyo project: mormot-windows-string-test.zip
Sample Raspberry Pi Lazarus project: mormot-pi-string-test.bz2

I am not aware that if there is no support for encryption between different systems. If so, I believe I need to use https with a certificate.

Thanks & regards,
Ertan

Last edited by ertank (2017-06-28 21:36:40)

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#5 2017-06-29 06:53:23

ab
Administrator
From: France
Registered: 2010-06-21
Posts: 14,182
Website

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

IMHO the best way to communicate between two FPC mORMot system, is via WebSockets.
They have encryption and compression, and also asynchronous callback from server to client.

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#6 2017-06-29 11:41:17

ertank
Member
Registered: 2016-03-16
Posts: 163

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

Just to clarify,

Windows is a Delphi 10.2 Tokyo application,
Raspberry Pi is a FPC-Lazarus application

My mistake not indicating this the first time.

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#7 2017-06-29 12:42:06

ertank
Member
Registered: 2016-03-16
Posts: 163

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

As per suggestion I changed to using WebSockets. Used the guide and 3rd party examples (https://synopse.info/files/html/Synopse … l#TITL_150)

Server relevant code:

aHTTPServer := TSQLHttpServer.Create(PORT_NAME, [aServer], '+', useBidirSocket);
aHTTPServer.WebSocketsEnable(aServer, '2141D32ADAD54D9A9DB56000CC9A4A70');

Client relevant code:

Client := TSQLHttpClientWebsockets.Create('192.168.1.101', PORT_NAME, Model);
TSQLHttpClientWebsockets(Client).WebSocketsUpgrade('2141D32ADAD54D9A9DB56000CC9A4A70');

Client (Delphi application on windows) can get results fine. But, I read below line on server (FPC-Lazarus application on Raspberry Pi):

20170629 12380908  +    mORMotHttpServer.TSQLHttpServer(76B21B60).Create useBidirSocket (secNone) on port 8888

My understanding; above line tells me that there is no encryption set. I am a newbie to mORMot so most likely I am doing something wrong here.

Any help is appreciated.

Thanks & regards,
Ertan

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#8 2017-06-29 15:42:11

ab
Administrator
From: France
Registered: 2010-06-21
Posts: 14,182
Website

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

Once you setup a password ('2141D32ADAD54D9A9DB56000CC9A4A70') you have encryption and compression on over the WebSocket upgrade.
secNone is about HTTPS - here we don't use HTTPS encryption, but encryption at WebSockets level.

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#9 2017-06-30 11:39:36

ertank
Member
Registered: 2016-03-16
Posts: 163

Re: Raspberry Pi - Lazarus 1.8.0RC2 - mORMot

Thank you for making that clear.

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