opentnl-general

[Opentnl-general] TNL_IMPLEMENT_RPC Build Error

[Bren <br...@sa...>]

I=B4m having a problem building a GhostConnection subclass.

NetworkConnection.h

#ifndef _NETWORKCONNECTION_H_
#define _NETWORKCONNECTION_H_

class NetworkConnection : public TNL::GhostConnection
{
	typedef TNL::GhostConnection Parent;

public:

    TNL_DECLARE_NETCONNECTION(NetworkConnection);

    // declare the client to server message
    TNL_DECLARE_RPC(rpcMessageClientToServer, (const char
*theMessageString));

    // declare the server to client message
    TNL_DECLARE_RPC(rpcMessageServerToClient, (const char
*theMessageString));

};

#endif


NetworkConnection.cpp

#include "NetworkIncludes.h"

TNL_IMPLEMENT_NETCONNECTION(NetworkConnection, TNL::NetClassGroupGame,
true);

TNL_IMPLEMENT_RPC(NetworkConnection,=20
				  rpcMessageClientToServer,=20
				  (const char * messageString),=20
				  (messageString),
				  TNL::NetClassGroupGameMask,=20
				  TNL::RPCGuaranteedOrdered,=20
				  TNL::RPCDirClientToServer,=20
				  0)
{
    // display the message the client sent
    printf("Got message from client: %s\n", messageString);
    // send a hello world back to the client.
    rpcMessageServerToClient("Hello, World!");
}

TNL_IMPLEMENT_RPC(NetworkConnection,=20
				  rpcMessageServerToClient,=20
				  (const char * messageString),
				  (messageString),
				  TNL::NetClassGroupGameMask,=20
				  TNL::RPCGuaranteedOrdered,=20
				  TNL::RPCDirServerToClient,=20
				  0)
{
    // display the message the server sent
    printf("Got a message from server: %s\n", messageString);

    // once the client has heard back from the server, it should quit.
//    gQuit =3D true;
}


The build error:

d:\Project\tnl\tnl\tnlMethodDispatch.h(85) : error C2664: =B4bool
TNL::BitStream::read(TNL::ByteBuffer *)=B4 : cannot convert parameter 1
from =B4const char ** =B4 to =B4TNL::ByteBuffer *=B4        Types =
pointed to are
unrelated; conversion requires reinterpret_cast, C-style cast or
function-style cast


This is based on the Hello World sample, but changed from
EventConnection to GhostConnection. I poured through the TNLTest source
and didn't see any significant differences.

Any suggestions?

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Re: [Opentnl-general] TNL_IMPLEMENT_RPC Build Error

[Ville A. B. <vbe...@cc...>]

On Wed, 30 Mar 2005, Bren wrote:

> I=B4m having a problem building a GhostConnection subclass.

>    // declare the client to server message
>    TNL_DECLARE_RPC(rpcMessageClientToServer, (const char
> *theMessageString));

> TNL_IMPLEMENT_RPC(NetworkConnection,
> 				  rpcMessageClientToServer,
> 				  (const char * messageString),
> 				  (messageString),
> 				  TNL::NetClassGroupGameMask,
> 				  TNL::RPCGuaranteedOrdered,
> 				  TNL::RPCDirClientToServer,
> 				  0)

> The build error:
>
> d:\Project\tnl\tnl\tnlMethodDispatch.h(85) : error C2664: =B4bool
> TNL::BitStream::read(TNL::ByteBuffer *)=B4 : cannot convert parameter 1
> from =B4const char ** =B4 to =B4TNL::ByteBuffer *=B4        Types point=
ed to are
> unrelated; conversion requires reinterpret_cast, C-style cast or
> function-style cast

> Any suggestions?

If you use OpenTNL 1.5.0, your problem is the same one that I presented=20
here a few days ago. Replace the const char* with a TNL::StringPtr.


Cheers,
Ville

--=20
   Ville Bergholm  |  vbe...@cc...  |  http://www.hut.fi/u/vberghol=
/

 	mobile   +358-44-5722802	Lehtisaarentie 6 G
 	telephone +358-9-4582738	00340 Helsinki, Finland

RE: [Opentnl-general] TNL_IMPLEMENT_RPC Build Error

[Bren L. <bl...@te...>]

Ah, sorry for the dupe, I just joined the list.  TNL::StringPtr did fix
the problem.  :)

> -----Original Message-----
> From: ope...@li...
> [mailto:ope...@li...] On=20
> Behalf Of Ville Axel Bergholm
> Sent: Wednesday, March 30, 2005 2:51 AM
> To: ope...@li...
> Subject: Re: [Opentnl-general] TNL_IMPLEMENT_RPC Build Error
>=20
>=20
> On Wed, 30 Mar 2005, Bren wrote:
>=20
> > I=B4m having a problem building a GhostConnection subclass.
>=20
> >    // declare the client to server message
> >    TNL_DECLARE_RPC(rpcMessageClientToServer, (const char
> > *theMessageString));
>=20
> > TNL_IMPLEMENT_RPC(NetworkConnection,
> > 				  rpcMessageClientToServer,
> > 				  (const char * messageString),
> > 				  (messageString),
> > 				  TNL::NetClassGroupGameMask,
> > 				  TNL::RPCGuaranteedOrdered,
> > 				  TNL::RPCDirClientToServer,
> > 				  0)
>=20
> > The build error:
> >
> > d:\Project\tnl\tnl\tnlMethodDispatch.h(85) : error C2664: =B4bool
> > TNL::BitStream::read(TNL::ByteBuffer *)=B4 : cannot convert=20
> parameter 1
> > from =B4const char ** =B4 to =B4TNL::ByteBuffer *=B4        Types=20
> pointed to are
> > unrelated; conversion requires reinterpret_cast, C-style cast or
> > function-style cast
>=20
> > Any suggestions?
>=20
> If you use OpenTNL 1.5.0, your problem is the same one that I
> presented=20
> here a few days ago. Replace the const char* with a TNL::StringPtr.
>=20
>=20
> Cheers,
> Ville
>=20
> --=20
>    Ville Bergholm  |  vbe...@cc...  |
> http://www.hut.fi/u/vberghol/
>=20
>  	mobile  =20
> +358-44-5722802	Lehtisaarentie 6 G
>  	telephone +358-9-4582738	00340 Helsinki, Finland
>=20
>=20
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[Opentnl-general] BitStream as an RPC parameter?

[Ville A. B. <vbe...@cc...>]

Hi,

I would like to use a BitStream as an RPC parameter. Since the OpenTNL 
RPCs already accept ByteBuffer parameters, I guess this should be 
possible, but what would be the safest way of doing it?


On the calling side I can use

void Send(XXX &myobject)
{
   BitStream s;
   myobject.Write(s);
   connection->rpcSend(s);
}

but what about the receiving side? I was thinking of something like

TNL_IMPLEMENT_RPC(MyConnection, rpcSend, (ByteBufferPtr buf), (buf),
   NetClassGroupGameMask, RPCGuaranteedOrdered, RPCDirClientToServer, 0)
{
   BitStream s(buf->getBuffer(), buf->getBufferSize());
   XXX myobject;
   myobject.Read(s);
   ...
}

Does this approach work, or am I completely on a wrong track here?


Thanks in advance,
Ville

-- 
 	Ville Bergholm