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>
37 class PropertySetter {
39 PropertySetter( SGPropertyNode_ptr node ) : _node(node) {}
40 virtual void setValue( const char * value ) = 0;
42 SGPropertyNode_ptr _node;
45 class BoolPropertySetter : public PropertySetter {
47 BoolPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
48 virtual void setValue( const char * value ) {
49 _node->setBoolValue( atoi( value ) != 0 );
53 class IntPropertySetter : public PropertySetter {
55 IntPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
56 virtual void setValue( const char * value ) {
57 _node->setIntValue( atol( value ) );
61 class FloatPropertySetter : public PropertySetter {
63 FloatPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
64 virtual void setValue( const char * value ) {
65 _node->setFloatValue( strtof( value, NULL ) );
69 class DoublePropertySetter : public PropertySetter {
71 DoublePropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
72 virtual void setValue( const char * value ) {
73 _node->setDoubleValue( strtod( value, NULL ) );
77 class StringPropertySetter : public PropertySetter {
79 StringPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
80 virtual void setValue( const char * value ) {
81 _node->setStringValue( value );
85 FGPanelProtocol::FGPanelProtocol( SGPropertyNode_ptr aRoot )
90 SGPropertyNode_ptr outputNode = root->getNode( "protocol/generic/output" );
92 vector<SGPropertyNode_ptr> chunks = outputNode->getChildren( "chunk" );
93 for( vector<SGPropertyNode_ptr>::size_type i = 0; i < chunks.size(); i++ ) {
94 SGPropertyNode_ptr chunk = chunks[i];
96 SGPropertyNode_ptr nodeNode = chunk->getNode("node", false );
97 if( nodeNode == NULL )
100 SGPropertyNode_ptr node = ApplicationProperties::Properties->getNode( nodeNode->getStringValue(), true );
103 SGPropertyNode_ptr typeNode = chunk->getNode( "type", false );
104 if( typeNode != NULL ) type = typeNode->getStringValue();
105 if( type == "float" ) {
106 propertySetterVector.push_back( new FloatPropertySetter( node ) );
107 } else if( type == "double" || type == "fixed" ) {
108 propertySetterVector.push_back( new DoublePropertySetter( node ) );
109 } else if( type == "bool" || type == "boolean" ) {
110 propertySetterVector.push_back( new BoolPropertySetter( node ) );
111 } else if( type == "string" ) {
112 propertySetterVector.push_back( new StringPropertySetter( node ) );
114 propertySetterVector.push_back( new IntPropertySetter( node ) );
120 FGPanelProtocol::~FGPanelProtocol()
122 for( PropertySetterVector::size_type i = 0; i < propertySetterVector.size(); i++ )
123 delete propertySetterVector[i];
126 void FGPanelProtocol::update( double dt )
133 // read all available lines, keep last one
135 bool HaveData = false;
136 while ( io->readline( buf[Page], sizeof(buf[Page])-1 ) > 0 )
143 // process most recent line of data
145 buf[Page][sizeof(buf[Page])-1] = 0;
146 vector<string> tokens = simgear::strutils::split( buf[Page], "," );
147 for( vector<string>::size_type i = 0; i < tokens.size(); i++ ) {
148 if( i < propertySetterVector.size() )
149 propertySetterVector[i]->setValue( tokens[i].c_str() );
154 void FGPanelProtocol::init()
156 SGPropertyNode_ptr listenNode = root->getNode( "listen" );
157 if( listenNode == NULL ) {
161 string hostname = listenNode->getNode( "host", true )->getStringValue();
162 string port = listenNode->getNode( "port", true )->getStringValue();
163 string style = listenNode->getNode( "style", true )->getStringValue();
168 io = new SGSocket( hostname, port, style );
170 if( !io->open( SG_IO_IN ) ) {
171 cerr << "can't open socket " << style << ":" << hostname << ":" << port << endl;
175 void FGPanelProtocol::reinit()