111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
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// 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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#include "logger.hxx"
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#include <fstream>
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SG_USING_STD(ofstream);
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SG_USING_STD(endl);
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#include <string>
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SG_USING_STD(string);
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#include <simgear/debug/logstream.hxx>
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#include "fg_props.hxx"
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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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}
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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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vector<SGPropertyNode *> children = logging->getChildren("log");
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for (int i = 0; i < children.size(); i++) {
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_logs.push_back(Log());
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Log &log = _logs[_logs.size()-1];
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SGPropertyNode * child = children[i];
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string filename = child->getStringValue("filename", "fg_log.csv");
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log.interval_ms = child->getLongValue("interval-ms", 0);
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log.output = new ofstream(filename.c_str());
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if (!log.output) {
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SG_LOG(SG_INPUT, SG_ALERT, "Cannot write log to " << filename);
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continue;
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}
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vector<SGPropertyNode *> entries = child->getChildren("entry");
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(*log.output) << "Time";
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for (int j = 0; j < entries.size(); j++) {
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SGPropertyNode * entry = entries[j];
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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) << ','
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<< entry->getStringValue("title", node->getPath());
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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::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 (int dt)
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{
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long elapsed_ms = globals->get_elapsed_time_ms();
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for (int i = 0; i < _logs.size(); i++) {
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if ((elapsed_ms - _logs[i].last_time_ms) >= _logs[i].interval_ms) {
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_logs[i].last_time_ms = elapsed_ms;
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(*_logs[i].output) << globals->get_elapsed_time_ms();
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for (int j = 0; j < _logs[i].nodes.size(); j++) {
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(*_logs[i].output) << ',' << _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(-99999999999999L)
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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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