115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
// ExternalNet.hxx -- an net interface to an external flight dynamics model
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//
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// Written by Curtis Olson, started November 2001.
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//
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// Copyright (C) 2001 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _EXTERNAL_NET_HXX
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#define _EXTERNAL_NET_HXX
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#include <plib/netBuffer.h>
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#include <plib/netSocket.h>
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#include <simgear/timing/timestamp.hxx> // fine grained timing measurements
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#include <Network/net_ctrls.hxx>
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#include <Network/net_fdm.hxx>
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#include <FDM/flight.hxx>
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class HTTPClient : public netBufferChannel
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{
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bool done;
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SGTimeStamp start;
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public:
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HTTPClient ( const char* host, int port, const char* path ) :
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done( false )
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{
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open ();
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connect (host, port);
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const char* s = netFormat ( "GET %s HTTP/1.0\r\n\r\n", path );
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bufferSend( s, strlen(s) ) ;
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start.stamp();
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}
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virtual void handleBufferRead (netBuffer& buffer)
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{
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const char* s = buffer.getData();
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while (*s)
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fputc(*s++,stdout);
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printf("done\n");
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buffer.remove();
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printf("after buffer.remove()\n");
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done = true;
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}
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bool isDone() const { return done; }
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bool isDone( long usec ) const {
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SGTimeStamp now;
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now.stamp();
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if ( (now - start) > usec ) {
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return true;
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} else {
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return done;
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}
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}
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};
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class FGExternalNet: public FGInterface {
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private:
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int data_in_port;
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int data_out_port;
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int cmd_port;
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string fdm_host;
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netSocket data_client;
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netSocket data_server;
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bool valid;
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FGNetCtrls ctrls;
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FGNetFDM fdm;
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public:
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// Constructor
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FGExternalNet( double dt, string host, int dop, int dip, int cp );
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// Destructor
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~FGExternalNet();
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// Reset flight params to a specific position
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void init();
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// update the fdm
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void update( double dt );
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};
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#endif // _EXTERNAL_NET_HXX
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