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62
src/FDM/JSBSim/FGLGear.cpp
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62
src/FDM/JSBSim/FGLGear.cpp
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/*******************************************************************************
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Module: FGLGear.cpp
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Author: Jon S. Berndt
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Date started: 11/18/99
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Purpose: Encapsulates the landing gear elements
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Called by: FGAircraft
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------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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FUNCTIONAL DESCRIPTION
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--------------------------------------------------------------------------------
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HISTORY
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--------------------------------------------------------------------------------
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11/18/99 JSB Created
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********************************************************************************
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INCLUDES
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*******************************************************************************/
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#include "FGLGear.h"
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#include "FGState.h"
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/*******************************************************************************
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************************************ CODE **************************************
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*******************************************************************************/
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FGLGear::FGLGear(ifstream& acfile)
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{
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acfile >> name >> X >> Y >> Z >> kSpring >> bDamp >> statFCoeff >> brakeCoeff;
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}
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FGLGear::~FGLGear(void)
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{
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}
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float FGLGear::Force(void)
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{
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return 0.0;
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}
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98
src/FDM/JSBSim/FGLGear.h
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98
src/FDM/JSBSim/FGLGear.h
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@ -0,0 +1,98 @@
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/*******************************************************************************
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Header: FGLGear.h
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Author: Jon S. Berndt
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Date started: 11/18/99
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------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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HISTORY
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--------------------------------------------------------------------------------
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11/18/99 JSB Created
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********************************************************************************
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SENTRY
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*******************************************************************************/
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#ifndef FGLGEAR_H
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#define FGLGEAR_H
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/*******************************************************************************
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COMMENTS, REFERENCES, and NOTES
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********************************************************************************
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[1] Cooke, Zyda, Pratt, and McGhee, "NPSNET: Flight Simulation Dynamic Modeling
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Using Quaternions", Presence, Vol. 1, No. 4, pp. 404-420 Naval Postgraduate
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School, January 1994
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[2] D. M. Henderson, "Euler Angles, Quaternions, and Transformation Matrices",
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JSC 12960, July 1977
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[3] Richard E. McFarland, "A Standard Kinematic Model for Flight Simulation at
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NASA-Ames", NASA CR-2497, January 1975
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[4] Barnes W. McCormick, "Aerodynamics, Aeronautics, and Flight Mechanics",
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Wiley & Sons, 1979 ISBN 0-471-03032-5
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[5] Bernard Etkin, "Dynamics of Flight, Stability and Control", Wiley & Sons,
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1982 ISBN 0-471-08936-2
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********************************************************************************
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INCLUDES
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*******************************************************************************/
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#ifdef FGFS
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# include <Include/compiler.h>
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# include STL_STRING
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# ifdef FG_HAVE_STD_INCLUDES
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# include <fstream>
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# else
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# include <fstream.h>
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# endif
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FG_USING_STD(string);
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#else
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# include <fstream>
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# include <string>
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#endif
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/*******************************************************************************
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DEFINITIONS
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*******************************************************************************/
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using namespace std;
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/*******************************************************************************
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CLASS DECLARATION
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*******************************************************************************/
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class FGLGear
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{
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public:
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FGLGear(ifstream&);
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~FGLGear(void);
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float Force(void);
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private:
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float X, Y, Z;
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float kSpring, bDamp, compressLength;
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float statFCoeff, rollFCoeff, skidFCoeff;
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float frictionForce, compForce;
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float brakePct, brakeForce, brakeCoeff;
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string name;
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};
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/******************************************************************************/
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#endif
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142
src/FDM/JSBSim/FGfdmSocket.cpp
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142
src/FDM/JSBSim/FGfdmSocket.cpp
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@ -0,0 +1,142 @@
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/*******************************************************************************
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Module: FGfdmSocket.cpp
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Author: Jon S. Berndt
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Date started: 11/08/99
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Purpose: Encapsulates a socket
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Called by: FGOutput, et. al.
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------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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FUNCTIONAL DESCRIPTION
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--------------------------------------------------------------------------------
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This class excapsulates a socket for simple data writing
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HISTORY
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--------------------------------------------------------------------------------
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11/08/99 JSB Created
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********************************************************************************
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INCLUDES
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*******************************************************************************/
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#include "FGfdmSocket.h"
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/*******************************************************************************
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************************************ CODE **************************************
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*******************************************************************************/
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FGfdmSocket::FGfdmSocket(string address, int port)
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{
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size = 0;
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#ifdef __BORLANDC__ || _MSC_VER
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WSADATA wsaData;
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int PASCAL FAR wsaReturnCode;
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wsaReturnCode = WSAStartup(MAKEWORD(1,1), &wsaData);
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if (wsaReturnCode == 0) cout << "Winsock DLL loaded ..." << endl;
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else cout << "Winsock DLL not initialized ..." << endl;
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#endif
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if (address.find_first_not_of("0123456789.",0) != address.npos) {
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if ((host = gethostbyname(address.c_str())) == NULL) {
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cout << "Could not get host net address by name..." << endl;
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}
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} else {
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if ((host = gethostbyaddr(address.c_str(), address.size(), PF_INET)) == NULL) {
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cout << "Could not get host net address by number..." << endl;
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}
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}
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if (host != NULL) {
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cout << "Got host net address..." << endl;
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sckt = socket(AF_INET, SOCK_STREAM, 0);
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if (sckt >= 0) { // successful
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memset(&scktName, 0, sizeof(struct sockaddr_in));
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scktName.sin_family = AF_INET;
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scktName.sin_port = htons(port);
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memcpy(&scktName.sin_addr, host->h_addr_list[0], host->h_length);
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int len = sizeof(struct sockaddr_in);
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if (connect(sckt, (struct sockaddr*)&scktName, len) == 0) { // successful
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cout << "Successfully connected to socket ..." << endl;
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} else { // unsuccessful
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cout << "Could not connect to socket ..." << endl;
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}
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} else { // unsuccessful
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cout << "Could not create socket for FDM, error = " << errno << endl;
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}
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}
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}
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FGfdmSocket::~FGfdmSocket(void)
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{
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if (sckt) shutdown(sckt,2);
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#ifdef __BORLANDC__
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WSACleanup();
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#endif
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}
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void FGfdmSocket::Clear(void)
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{
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buffer = "";
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size = 0;
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}
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void FGfdmSocket::Append(const char* item)
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{
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if (size == 0) buffer += string(item);
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else buffer += string(",") + string(item);
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size++;
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}
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void FGfdmSocket::Append(float item)
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{
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char s[25];
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sprintf(s,"%12.7f\0",item);
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if (size == 0) buffer += string(s);
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else buffer += string(",") + string(s);
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size++;
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}
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void FGfdmSocket::Append(long item)
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{
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char s[25];
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sprintf(s,"%12d\0",item);
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if (size == 0) buffer += string(s);
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else buffer += string(",") + string(s);
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size++;
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}
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void FGfdmSocket::Send(void)
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{
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int len;
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buffer += string("\n");
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if ((len = send(sckt,buffer.c_str(),buffer.size(),0)) <= 0) {
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perror("send");
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} else {
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}
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}
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107
src/FDM/JSBSim/FGfdmSocket.h
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107
src/FDM/JSBSim/FGfdmSocket.h
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/*******************************************************************************
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Header: FGfdmSocket.h
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Author: Jon S. Berndt
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Date started: 11/08/99
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------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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HISTORY
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--------------------------------------------------------------------------------
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11/08/99 JSB Created
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********************************************************************************
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SENTRY
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*******************************************************************************/
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#ifndef FGfdmSocket_H
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#define FGfdmSocket_H
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/*******************************************************************************
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COMMENTS, REFERENCES, and NOTES
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*******************************************************************************/
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/*******************************************************************************
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INCLUDES
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*******************************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef FGFS
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# pragma message("FGFS defined")
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# include <Include/compiler.h>
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# include STL_STRING
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# ifdef FG_HAVE_STD_INCLUDES
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# include <fstream>
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# include <iostream>
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# else
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# include <fstream.h>
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# include <iostream.h>
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# endif
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FG_USING_STD(string);
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#else
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# pragma message("FGFS not defined")
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# include <string>
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# include <fstream>
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# include <iostream>
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#endif
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#include <sys/types.h>
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#if defined(__BORLANDC__) || defined(_MSC_VER)
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#include <winsock.h>
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#else
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <errno.h>
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#endif
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/*******************************************************************************
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DEFINITIONS
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*******************************************************************************/
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/*******************************************************************************
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CLASS DECLARATION
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*******************************************************************************/
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using namespace std;
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class FGfdmSocket {
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public:
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FGfdmSocket(string, int);
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~FGfdmSocket(void);
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void Send(void);
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void Append(const char*);
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void Append(float);
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void Append(long);
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void Clear(void);
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private:
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int sckt;
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int size;
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struct sockaddr_in scktName;
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struct hostent *host;
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string buffer;
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};
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#endif
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