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src/Main/main.cxx: Allow dynamic control of sglogdeltas using a property.

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We install listener for /sim/sg-log-deltas which calls logDeltaSet().
This commit is contained in:
Julian Smith 2020-12-19 15:07:57 +00:00
parent 50efe12f25
commit cb258f3d36
1 changed files with 22 additions and 0 deletions
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22
src/Main/main.cxx
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@ -48,6 +48,7 @@
#include <simgear/structure/commands.hxx>
#include <simgear/emesary/Emesary.hxx>
#include <simgear/emesary/notifications.hxx>
#include <simgear/debug/logdelta.hxx>
#include <Add-ons/AddonManager.hxx>
#include <GUI/MessageBox.hxx>
@ -548,6 +549,17 @@ static void logToHome(const std::string& pri)
sglog().logToFile(logPath, SG_ALL, fileLogLevel);
}
struct SGLogDeltasListener : SGPropertyChangeListener
{
void valueChanged(SGPropertyNode* node) override
{
const char* value = node->getStringValue();
std::cerr << __FILE__ << ":" << __LINE__ << ": sglogdeltas value=" << value << "\n";
logDeltaSet(value);
}
};
static SGLogDeltasListener s_sglogdeltas_listener;
// Main top level initialization
int fgMainInit( int argc, char **argv )
{
@ -588,6 +600,16 @@ int fgMainInit( int argc, char **argv )
}
#endif
{
SGPropertyNode* sglogdeltas = globals->get_props()->getNode("/sim/sg-log-deltas", true /*create*/);
assert(sglogdeltas);
sglogdeltas->addChangeListener(&s_sglogdeltas_listener, false /*initial*/);
const char* sglogdeltas_value = getenv("SG_LOG_DELTAS");
if (sglogdeltas_value) {
sglogdeltas->setStringValue(sglogdeltas_value);
}
}
const bool readOnlyFGHome = fgGetBool("/sim/fghome-readonly");
if (!readOnlyFGHome) {
// now home is initialised, we can log to a file inside it