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.
18 #include "FGPanelProtocol.hxx"
19 #include "ApplicationProperties.hxx"
20 #include <simgear/io/sg_socket.hxx>
21 #include <simgear/misc/strutils.hxx>
23 class PropertySetter {
25 PropertySetter( SGPropertyNode_ptr node ) : _node(node) {}
26 virtual void setValue( const char * value ) = 0;
28 SGPropertyNode_ptr _node;
31 class BoolPropertySetter : public PropertySetter {
33 BoolPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
34 virtual void setValue( const char * value ) {
35 _node->setBoolValue( atoi( value ) != 0 );
39 class IntPropertySetter : public PropertySetter {
41 IntPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
42 virtual void setValue( const char * value ) {
43 _node->setIntValue( atol( value ) );
47 class FloatPropertySetter : public PropertySetter {
49 FloatPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
50 virtual void setValue( const char * value ) {
51 _node->setFloatValue( strtof( value, NULL ) );
55 class DoublePropertySetter : public PropertySetter {
57 DoublePropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
58 virtual void setValue( const char * value ) {
59 _node->setDoubleValue( strtod( value, NULL ) );
63 class StringPropertySetter : public PropertySetter {
65 StringPropertySetter( SGPropertyNode_ptr node ) : PropertySetter(node) {}
66 virtual void setValue( const char * value ) {
67 _node->setStringValue( value );
71 FGPanelProtocol::FGPanelProtocol( SGPropertyNode_ptr aRoot )
76 SGPropertyNode_ptr outputNode = root->getNode( "protocol/generic/output" );
78 vector<SGPropertyNode_ptr> chunks = outputNode->getChildren( "chunk" );
79 for( vector<SGPropertyNode_ptr>::size_type i = 0; i < chunks.size(); i++ ) {
80 SGPropertyNode_ptr chunk = chunks[i];
82 SGPropertyNode_ptr nodeNode = chunk->getNode("node", false );
83 if( nodeNode == NULL )
86 SGPropertyNode_ptr node = ApplicationProperties::Properties->getNode( nodeNode->getStringValue(), true );
89 SGPropertyNode_ptr typeNode = chunk->getNode( "type", false );
90 if( typeNode != NULL ) type = typeNode->getStringValue();
91 if( type == "float" ) {
92 propertySetterVector.push_back( new FloatPropertySetter( node ) );
93 } else if( type == "double" || type == "fixed" ) {
94 propertySetterVector.push_back( new DoublePropertySetter( node ) );
95 } else if( type == "bool" || type == "boolean" ) {
96 propertySetterVector.push_back( new BoolPropertySetter( node ) );
97 } else if( type == "string" ) {
98 propertySetterVector.push_back( new StringPropertySetter( node ) );
100 propertySetterVector.push_back( new IntPropertySetter( node ) );
106 FGPanelProtocol::~FGPanelProtocol()
108 for( PropertySetterVector::size_type i = 0; i < propertySetterVector.size(); i++ )
109 delete propertySetterVector[i];
112 void FGPanelProtocol::update( double dt )
119 int length = io->readline( buf, sizeof(buf)-1 );
120 buf[sizeof(buf)-1] = 0;
122 vector<string> tokens = simgear::strutils::split( buf, "," );
123 for( vector<string>::size_type i = 0; i < tokens.size(); i++ ) {
124 if( i < propertySetterVector.size() )
125 propertySetterVector[i]->setValue( tokens[i].c_str() );
130 void FGPanelProtocol::init()
132 SGPropertyNode_ptr listenNode = root->getNode( "listen" );
133 if( listenNode == NULL ) {
137 string hostname = listenNode->getNode( "host", true )->getStringValue();
138 string port = listenNode->getNode( "port", true )->getStringValue();
139 string style = listenNode->getNode( "style", true )->getStringValue();
144 io = new SGSocket( hostname, port, style );
146 if( !io->open( SG_IO_IN ) ) {
147 cerr << "can't open socket " << style << ":" << hostname << ":" << port << endl;
151 void FGPanelProtocol::reinit()