2 // Written and (c) Torsten Dreyer - Torsten(at)t3r_dot_de
4 // This program is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU General Public License as
6 // published by the Free Software Foundation; either version 2 of the
7 // License, or (at your option) any later version.
9 // This program is distributed in the hope that it will be useful, but
10 // WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
30 #include "FGPanelProtocol.hxx"
31 #include "ApplicationProperties.hxx"
32 #include <simgear/io/sg_socket.hxx>
33 #include <simgear/misc/strutils.hxx>
35 class PropertySetter {
37 PropertySetter( SGPropertyNode_ptr node ) : _node(node) {}
38 virtual void setValue( const char * value ) = 0;
40 SGPropertyNode_ptr _node;
43 class BoolPropertySetter : public PropertySetter {
45 BoolPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
46 virtual void setValue( const char * value ) {
47 _node->setBoolValue( atoi( value ) != 0 );
51 class IntPropertySetter : public PropertySetter {
53 IntPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
54 virtual void setValue( const char * value ) {
55 _node->setIntValue( atol( value ) );
59 class FloatPropertySetter : public PropertySetter {
61 FloatPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
62 virtual void setValue( const char * value ) {
63 _node->setFloatValue( strtof( value, NULL ) );
67 class DoublePropertySetter : public PropertySetter {
69 DoublePropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
70 virtual void setValue( const char * value ) {
71 _node->setDoubleValue( strtod( value, NULL ) );
75 class StringPropertySetter : public PropertySetter {
77 StringPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
78 virtual void setValue( const char * value ) {
79 _node->setStringValue( value );
83 FGPanelProtocol::FGPanelProtocol( SGPropertyNode_ptr aRoot )
88 SGPropertyNode_ptr outputNode = root->getNode( "protocol/generic/output" );
90 vector<SGPropertyNode_ptr> chunks = outputNode->getChildren( "chunk" );
91 for( vector<SGPropertyNode_ptr>::size_type i = 0; i < chunks.size(); i++ ) {
92 SGPropertyNode_ptr chunk = chunks[i];
94 SGPropertyNode_ptr nodeNode = chunk->getNode("node", false );
95 if( nodeNode == NULL )
98 SGPropertyNode_ptr node = ApplicationProperties::Properties->getNode( nodeNode->getStringValue(), true );
101 SGPropertyNode_ptr typeNode = chunk->getNode( "type", false );
102 if( typeNode != NULL ) type = typeNode->getStringValue();
103 if( type == "float" ) {
104 propertySetterVector.push_back( new FloatPropertySetter( node ) );
105 } else if( type == "double" || type == "fixed" ) {
106 propertySetterVector.push_back( new DoublePropertySetter( node ) );
107 } else if( type == "bool" || type == "boolean" ) {
108 propertySetterVector.push_back( new BoolPropertySetter( node ) );
109 } else if( type == "string" ) {
110 propertySetterVector.push_back( new StringPropertySetter( node ) );
112 propertySetterVector.push_back( new IntPropertySetter( node ) );
118 FGPanelProtocol::~FGPanelProtocol()
120 for( PropertySetterVector::size_type i = 0; i < propertySetterVector.size(); i++ )
121 delete propertySetterVector[i];
124 void FGPanelProtocol::update( double dt )
131 int length = io->readline( buf, sizeof(buf)-1 );
132 buf[sizeof(buf)-1] = 0;
134 vector<string> tokens = simgear::strutils::split( buf, "," );
135 for( vector<string>::size_type i = 0; i < tokens.size(); i++ ) {
136 if( i < propertySetterVector.size() )
137 propertySetterVector[i]->setValue( tokens[i].c_str() );
142 void FGPanelProtocol::init()
144 SGPropertyNode_ptr listenNode = root->getNode( "listen" );
145 if( listenNode == NULL ) {
149 string hostname = listenNode->getNode( "host", true )->getStringValue();
150 string port = listenNode->getNode( "port", true )->getStringValue();
151 string style = listenNode->getNode( "style", true )->getStringValue();
156 io = new SGSocket( hostname, port, style );
158 if( !io->open( SG_IO_IN ) ) {
159 cerr << "can't open socket " << style << ":" << hostname << ":" << port << endl;
163 void FGPanelProtocol::reinit()