163 lines
3.7 KiB
C++
163 lines
3.7 KiB
C++
// logger.cxx - log properties.
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// Written by David Megginson, started 2002.
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//
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// This file is in the Public Domain, and comes with no warranty.
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "logger.hxx"
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#include <fstream>
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#include <string>
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#include <simgear/debug/logstream.hxx>
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#include "fg_props.hxx"
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using std::string;
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using std::endl;
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////////////////////////////////////////////////////////////////////////
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// Implementation of FGLogger
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////////////////////////////////////////////////////////////////////////
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FGLogger::FGLogger ()
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{
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}
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FGLogger::~FGLogger ()
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{
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for (unsigned int i = 0; i < _logs.size(); i++) {
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delete _logs[i];
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}
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_logs.clear();
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}
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void
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FGLogger::init ()
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{
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SGPropertyNode * logging = fgGetNode("/logging");
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if (logging == 0)
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return;
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std::vector<SGPropertyNode_ptr> children = logging->getChildren("log");
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for (unsigned int i = 0; i < children.size(); i++) {
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SGPropertyNode * child = children[i];
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if (!child->getBoolValue("enabled", false))
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continue;
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_logs.push_back(new Log());
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Log &log = *_logs[_logs.size()-1];
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string filename = child->getStringValue("filename");
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if (filename.empty()) {
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filename = "fg_log.csv";
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child->setStringValue("filename", filename.c_str());
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}
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string delimiter = child->getStringValue("delimiter");
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if (delimiter.empty()) {
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delimiter = ",";
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child->setStringValue("delimiter", delimiter.c_str());
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}
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log.interval_ms = child->getLongValue("interval-ms");
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log.last_time_ms = globals->get_sim_time_sec() * 1000;
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log.delimiter = delimiter.c_str()[0];
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log.output = new std::ofstream(filename.c_str());
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if (!log.output) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Cannot write log to " << filename);
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continue;
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}
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//
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// Process the individual entries (Time is automatic).
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//
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std::vector<SGPropertyNode_ptr> entries = child->getChildren("entry");
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(*log.output) << "Time";
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for (unsigned int j = 0; j < entries.size(); j++) {
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SGPropertyNode * entry = entries[j];
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//
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// Set up defaults.
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//
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if (!entry->hasValue("property")) {
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entry->setBoolValue("enabled", false);
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continue;
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}
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if (!entry->getBoolValue("enabled"))
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continue;
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SGPropertyNode * node =
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fgGetNode(entry->getStringValue("property"), true);
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log.nodes.push_back(node);
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(*log.output) << log.delimiter
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<< entry->getStringValue("title", node->getPath().c_str());
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}
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(*log.output) << endl;
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}
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}
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void
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FGLogger::reinit ()
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{
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for (unsigned int i = 0; i < _logs.size(); i++) {
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delete _logs[i];
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}
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_logs.clear();
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init();
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}
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void
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FGLogger::bind ()
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{
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}
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void
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FGLogger::unbind ()
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{
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}
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void
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FGLogger::update (double dt)
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{
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double sim_time_sec = globals->get_sim_time_sec();
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double sim_time_ms = sim_time_sec * 1000;
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for (unsigned int i = 0; i < _logs.size(); i++) {
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while ((sim_time_ms - _logs[i]->last_time_ms) >= _logs[i]->interval_ms) {
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_logs[i]->last_time_ms += _logs[i]->interval_ms;
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(*_logs[i]->output) << sim_time_sec;
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for (unsigned int j = 0; j < _logs[i]->nodes.size(); j++) {
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(*_logs[i]->output) << _logs[i]->delimiter
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<< _logs[i]->nodes[j]->getStringValue();
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}
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(*_logs[i]->output) << endl;
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}
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}
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of FGLogger::Log
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////////////////////////////////////////////////////////////////////////
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FGLogger::Log::Log ()
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: output(0),
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interval_ms(0),
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last_time_ms(-999999.0),
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delimiter(',')
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{
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}
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FGLogger::Log::~Log ()
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{
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delete output;
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}
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// end of logger.cxx
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