Connect C++ to PHP React WsServer / WampServer

[Brian Pez]

I have an existing PHP server (which I didn't write) running WebSockets and a WampServer.  Works for PHP and ajax connections.

I am trying to use the C++ Autobahn implementation and I can't get the client to connect.  Doesn't matter if I use the samples that came with the source or my own implementation.  it just hangs (waits forever) on (from subscriber.cpp):

        connect_future = transport->connect().then([&](boost::future<void> connected) {

As soon as I close the PHP server, I get a Boost error which isnt' tied to one of the try/catch blocks:

rawsocket handshake error: asio.misc:2

If I try to connect without the PHP server running, I immediately exit from the 

io.run();

call with no error messages.

Based on the error, I assume it is connecting but the PHP server isn't sending back the expected response?  Not really sure where to start here since the server is working for the non-C++ code.

TIA!

- Brian

[Brian Pez]

Should have mentioned the PHP server is using React and Ratchet.

[DV Henkel-Wallace]

Can you get (say) the python example to connect to the router and register an RPC and have another python example call the RPC?

Can you do the same with c++ (this would be with a different domain, though you can still use your existing router).

Let me know if those work.

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[Brian Peschel]

I don't know anything about python.  I followed the directions in

autobahn-python/examples/running-the-examples.md

and ran the basic subscriber and got the following error:

python asyncio/wamp/pubsub/basic/frontend.py 

  File "asyncio/wamp/pubsub/basic/frontend.py", line 38

    async def onJoin(self, details):

            ^

SyntaxError: invalid syntax

This is on Fedora 28, Python 2.7.15

<shrug>  I guess I could hard code the server to intercept the messages and use ZeroMQ to send the data to the C program.....

- b

On Tue, Jun 5, 2018 at 8:39 AM, DV Henkel-Wallace <gu...@henkel-wallace.org> wrote:

Can you get (say) the python example to connect to the router and register an RPC and have another python example call the RPC?

Can you do the same with c++ (this would be with a different domain, though you can still use your existing router).

Let me know if those work.

On Jun 5, 2018, at 22:36, Brian Pez <br...@techstrength.com> wrote:

Should have mentioned the PHP server is using React and Ratchet.

On Tuesday, June 5, 2018 at 7:32:06 AM UTC-5, Brian Pez wrote:

I have an existing PHP server (which I didn't write) running WebSockets and a WampServer.  Works for PHP and ajax connections.

I am trying to use the C++ Autobahn implementation and I can't get the client to connect.  Doesn't matter if I use the samples that came with the source or my own implementation.  it just hangs (waits forever) on (from subscriber.cpp):

        connect_future = transport->connect().then([&](boost::future<void> connected) {

As soon as I close the PHP server, I get a Boost error which isnt' tied to one of the try/catch blocks:

rawsocket handshake error: asio.misc:2

If I try to connect without the PHP server running, I immediately exit from the 

io.run();

call with no error messages.

Based on the error, I assume it is connecting but the PHP server isn't sending back the expected response?  Not really sure where to start here since the server is working for the non-C++ code.

TIA!

- Brian

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[Brian Peschel]

the WAMP_POCO fork has a javascript version which is reporting a 'Error during Websocket handshake: Unexpected response code 426'.  Looking in the console, at the network messages, I see

426: No Sec-WebSocket-Protocols requested supported

So, I assume there is an issue at the server.....

- B