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flightgear/src/Main/fg_commands.cxx
James Turner 7c2a5e9e99 FlightGear support for queued commands 
This enables queued commands to be processed once per main event loop.
At present this is done after subsystem updates.
2019-03-24 17:59:23 +00:00

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// fg_commands.cxx - internal FGFS commands.
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h> // strcmp()
#include <simgear/compiler.h>
#include <string>
#include <fstream>
#include <simgear/sg_inlines.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/math/sg_random.h>
#include <simgear/io/iostreams/sgstream.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/structure/commands.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/props_io.hxx>
#include <simgear/structure/event_mgr.hxx>
#include <simgear/timing/sg_time.hxx>
#include <Network/RemoteXMLRequest.hxx>
#include <FDM/flight.hxx>
#include <Aircraft/replay.hxx>
#include <Scripting/NasalSys.hxx>
#include <Airports/xmlloader.hxx>
#include <Network/HTTPClient.hxx>
#include <Viewer/viewmgr.hxx>
#include <Viewer/view.hxx>
#include <Environment/presets.hxx>
#include <Navaids/NavDataCache.hxx>
#include <GUI/gui.h>
#include "fg_init.hxx"
#include "fg_io.hxx"
#include "fg_os.hxx"
#include "fg_commands.hxx"
#include "fg_props.hxx"
#include "globals.hxx"
#include "logger.hxx"
#include "util.hxx"
#include "main.hxx"
#include "positioninit.hxx"
#if FG_HAVE_GPERFTOOLS
# include <google/profiler.h>
#endif
using std::string;
using std::ifstream;
using std::ofstream;
////////////////////////////////////////////////////////////////////////
// Static helper functions.
////////////////////////////////////////////////////////////////////////
static inline SGPropertyNode *
get_prop (const SGPropertyNode * arg, SGPropertyNode * root)
{
if (root != nullptr)
{
SGPropertyNode *rv = nullptr;
rv = root->getNode(arg->getStringValue("property[0]", "/null"), true);
if (rv == nullptr)
{
rv = root->getNode(arg->getStringValue("property[0]", "/null"), true);
return fgGetNode(arg->getStringValue("property[0]", "/null"), true);
}
return rv;
}
return fgGetNode(arg->getStringValue("property[0]", "/null"), true);
}
static inline SGPropertyNode *
get_prop2 (const SGPropertyNode * arg, SGPropertyNode * root)
{
if (root != nullptr)
{
SGPropertyNode *rv = nullptr;
rv = root->getNode(arg->getStringValue("property[1]", "/null"), true);
if (rv == nullptr)
{
rv = root->getNode(arg->getStringValue("property[1]", "/null"), true);
return fgGetNode(arg->getStringValue("property[1]", "/null"), true);
}
return rv;
}
return fgGetNode(arg->getStringValue("property[1]", "/null"), true);
}
/**
* Get a double value and split it as required.
*/
static void
split_value (double full_value, const char * mask,
double * unmodifiable, double * modifiable)
{
if (!strcmp("integer", mask)) {
*modifiable = (full_value < 0 ? ceil(full_value) : floor (full_value));
*unmodifiable = full_value - *modifiable;
} else if (!strcmp("decimal", mask)) {
*unmodifiable = (full_value < 0 ? ceil(full_value) : floor(full_value));
*modifiable = full_value - *unmodifiable;
} else {
if (strcmp("all", mask))
SG_LOG(SG_GENERAL, SG_ALERT, "Bad value " << mask << " for mask;"
<< " assuming 'all'");
*unmodifiable = 0;
*modifiable = full_value;
}
}
/**
* Clamp or wrap a value as specified.
*/
static void
limit_value (double * value, const SGPropertyNode * arg)
{
const SGPropertyNode * min_node = arg->getChild("min");
const SGPropertyNode * max_node = arg->getChild("max");
bool wrap = arg->getBoolValue("wrap");
if (min_node == 0 || max_node == 0)
wrap = false;
if (wrap) { // wrap such that min <= x < max
double min_val = min_node->getDoubleValue();
double max_val = max_node->getDoubleValue();
double resolution = arg->getDoubleValue("resolution");
if (resolution > 0.0) {
// snap to (min + N*resolution), taking special care to handle imprecision
int n = (int)floor((*value - min_val) / resolution + 0.5);
int steps = (int)floor((max_val - min_val) / resolution + 0.5);
SG_NORMALIZE_RANGE(n, 0, steps);
*value = min_val + resolution * n;
} else {
// plain circular wrapping
SG_NORMALIZE_RANGE(*value, min_val, max_val);
}
} else { // clamp such that min <= x <= max
if ((min_node != 0) && (*value < min_node->getDoubleValue()))
*value = min_node->getDoubleValue();
else if ((max_node != 0) && (*value > max_node->getDoubleValue()))
*value = max_node->getDoubleValue();
}
}
static bool
compare_values (SGPropertyNode * value1, SGPropertyNode * value2)
{
switch (value1->getType()) {
case simgear::props::BOOL:
return (value1->getBoolValue() == value2->getBoolValue());
case simgear::props::INT:
return (value1->getIntValue() == value2->getIntValue());
case simgear::props::LONG:
return (value1->getLongValue() == value2->getLongValue());
case simgear::props::FLOAT:
return (value1->getFloatValue() == value2->getFloatValue());
case simgear::props::DOUBLE:
return (value1->getDoubleValue() == value2->getDoubleValue());
default:
return !strcmp(value1->getStringValue(), value2->getStringValue());
}
}
////////////////////////////////////////////////////////////////////////
// Command implementations.
////////////////////////////////////////////////////////////////////////
/**
* Built-in command: do nothing.
*/
static bool
do_null (const SGPropertyNode * arg, SGPropertyNode * root)
{
return true;
}
/**
* Built-in command: run a Nasal script.
*/
static bool
do_nasal (const SGPropertyNode * arg, SGPropertyNode * root)
{
return ((FGNasalSys*)globals->get_subsystem("nasal"))->handleCommand(arg, root);
}
/**
* Built-in command: replay the FDR buffer
*/
static bool
do_replay (const SGPropertyNode * arg, SGPropertyNode * root)
{
FGReplay *r = (FGReplay *)(globals->get_subsystem( "replay" ));
return r->start();
}
/**
* Built-in command: pause/unpause the sim
*/
static bool
do_pause (const SGPropertyNode * arg, SGPropertyNode * root)
{
bool forcePause = arg->getBoolValue("force-pause", false );
bool forcePlay = arg->getBoolValue("force-play", false );
bool paused = fgGetBool("/sim/freeze/master",true) || fgGetBool("/sim/freeze/clock",true);
if(forcePause) paused = false;
if(forcePlay) paused = true;
if (paused && (fgGetInt("/sim/freeze/replay-state",0)>0))
{
do_replay(NULL, nullptr);
}
else
{
fgSetBool("/sim/freeze/master",!paused);
fgSetBool("/sim/freeze/clock",!paused);
}
syncPausePopupState();
return true;
}
/**
* Built-in command: load flight.
*
* file (optional): the name of the file to load (relative to current
* directory). Defaults to "fgfs.sav"
*/
static bool
do_load (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPath file(arg->getStringValue("file", "fgfs.sav"));
if (file.extension() != "sav")
file.concat(".sav");
SGPath validated_path = fgValidatePath(file, false);
if (validated_path.isNull()) {
SG_LOG(SG_IO, SG_ALERT, "load: reading '" << file << "' denied "
"(unauthorized access)");
return false;
}
sg_ifstream input(validated_path);
if (input.good() && fgLoadFlight(input)) {
input.close();
SG_LOG(SG_INPUT, SG_INFO, "Restored flight from " << file);
return true;
} else {
SG_LOG(SG_INPUT, SG_WARN, "Cannot load flight from " << file);
return false;
}
}
/**
* Built-in command: save flight.
*
* file (optional): the name of the file to save (relative to the
* current directory). Defaults to "fgfs.sav".
*/
static bool
do_save (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPath file(arg->getStringValue("file", "fgfs.sav"));
if (file.extension() != "sav")
file.concat(".sav");
SGPath validated_path = fgValidatePath(file, true);
if (validated_path.isNull()) {
SG_LOG(SG_IO, SG_ALERT, "save: writing '" << file << "' denied "
"(unauthorized access)");
return false;
}
bool write_all = arg->getBoolValue("write-all", false);
SG_LOG(SG_INPUT, SG_INFO, "Saving flight");
sg_ofstream output(validated_path);
if (output.good() && fgSaveFlight(output, write_all)) {
output.close();
SG_LOG(SG_INPUT, SG_INFO, "Saved flight to " << file);
return true;
} else {
SG_LOG(SG_INPUT, SG_ALERT, "Cannot save flight to " << file);
return false;
}
}
/**
* Built-in command: save flight recorder tape.
*
*/
static bool
do_save_tape (const SGPropertyNode * arg, SGPropertyNode * root)
{
FGReplay* replay = (FGReplay*) globals->get_subsystem("replay");
replay->saveTape(arg);
return true;
}
/**
* Built-in command: load flight recorder tape.
*
*/
static bool
do_load_tape (const SGPropertyNode * arg, SGPropertyNode * root)
{
FGReplay* replay = (FGReplay*) globals->get_subsystem("replay");
replay->loadTape(arg);
return true;
}
static void
do_view_next(bool do_it)
{
// Only switch view if really requested to do so (and not for example while
// reset/reposition where /command/view/next is set to false)
if( do_it )
{
globals->get_current_view()->setHeadingOffset_deg(0.0);
globals->get_viewmgr()->next_view();
}
}
static void
do_view_prev(bool do_it)
{
if( do_it )
{
globals->get_current_view()->setHeadingOffset_deg(0.0);
globals->get_viewmgr()->prev_view();
}
}
/**
* Built-in command: cycle view.
*/
static bool
do_view_cycle (const SGPropertyNode * arg, SGPropertyNode * root)
{
globals->get_current_view()->setHeadingOffset_deg(0.0);
globals->get_viewmgr()->next_view();
return true;
}
/**
* Built-in command: toggle a bool property value.
*
* property: The name of the property to toggle.
*/
static bool
do_property_toggle (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg, root);
return prop->setBoolValue(!prop->getBoolValue());
}
/**
* Built-in command: assign a value to a property.
*
* property: the name of the property to assign.
* value: the value to assign; or
* property[1]: the property to copy from.
*/
static bool
do_property_assign (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg,root);
const SGPropertyNode * value = arg->getNode("value");
if (value != 0)
return prop->setUnspecifiedValue(value->getStringValue());
else
{
const SGPropertyNode * prop2 = get_prop2(arg,root);
if (prop2)
return prop->setUnspecifiedValue(prop2->getStringValue());
else
return false;
}
}
/**
* Built-in command: increment or decrement a property value.
*
* If the 'step' argument is present, it will be used; otherwise,
* the command uses 'offset' and 'factor', usually from the mouse.
*
* property: the name of the property to increment or decrement.
* step: the amount of the increment or decrement (default: 0).
* offset: offset from the current setting (used for the mouse; multiplied
* by factor)
* factor: scaling amount for the offset (defaults to 1).
* min: the minimum allowed value (default: no minimum).
* max: the maximum allowed value (default: no maximum).
* mask: 'integer' to apply only to the left of the decimal point,
* 'decimal' to apply only to the right of the decimal point,
* or 'all' to apply to the whole number (the default).
* wrap: true if the value should be wrapped when it passes min or max;
* both min and max must be present for this to work (default:
* false).
*/
static bool
do_property_adjust (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg,root);
double amount = 0;
if (arg->hasValue("step"))
amount = arg->getDoubleValue("step");
else
amount = (arg->getDoubleValue("factor", 1.0)
* arg->getDoubleValue("offset"));
double unmodifiable, modifiable;
split_value(prop->getDoubleValue(), arg->getStringValue("mask", "all"),
&unmodifiable, &modifiable);
modifiable += amount;
limit_value(&modifiable, arg);
prop->setDoubleValue(unmodifiable + modifiable);
return true;
}
/**
* Built-in command: multiply a property value.
*
* property: the name of the property to multiply.
* factor: the amount by which to multiply.
* min: the minimum allowed value (default: no minimum).
* max: the maximum allowed value (default: no maximum).
* mask: 'integer' to apply only to the left of the decimal point,
* 'decimal' to apply only to the right of the decimal point,
* or 'all' to apply to the whole number (the default).
* wrap: true if the value should be wrapped when it passes min or max;
* both min and max must be present for this to work (default:
* false).
*/
static bool
do_property_multiply (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg,root);
double factor = arg->getDoubleValue("factor", 1.0);
double unmodifiable, modifiable;
split_value(prop->getDoubleValue(), arg->getStringValue("mask", "all"),
&unmodifiable, &modifiable);
modifiable *= factor;
limit_value(&modifiable, arg);
prop->setDoubleValue(unmodifiable + modifiable);
return true;
}
/**
* Built-in command: swap two property values.
*
* property[0]: the name of the first property.
* property[1]: the name of the second property.
*/
static bool
do_property_swap (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop1 = get_prop(arg,root);
SGPropertyNode * prop2 = get_prop2(arg,root);
// FIXME: inefficient
const string & tmp = prop1->getStringValue();
return (prop1->setUnspecifiedValue(prop2->getStringValue()) &&
prop2->setUnspecifiedValue(tmp.c_str()));
}
/**
* Built-in command: Set a property to an axis or other moving input.
*
* property: the name of the property to set.
* setting: the current input setting, usually between -1.0 and 1.0.
* offset: the offset to shift by, before applying the factor.
* factor: the factor to multiply by (use negative to reverse).
*/
static bool
do_property_scale (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg,root);
double setting = arg->getDoubleValue("setting");
double offset = arg->getDoubleValue("offset", 0.0);
double factor = arg->getDoubleValue("factor", 1.0);
bool squared = arg->getBoolValue("squared", false);
int power = arg->getIntValue("power", (squared ? 2 : 1));
int sign = (setting < 0 ? -1 : 1);
switch (power) {
case 1:
break;
case 2:
setting = setting * setting * sign;
break;
case 3:
setting = setting * setting * setting;
break;
case 4:
setting = setting * setting * setting * setting * sign;
break;
default:
setting = pow(setting, power);
if ((power % 2) == 0)
setting *= sign;
break;
}
return prop->setDoubleValue((setting + offset) * factor);
}
/**
* Built-in command: cycle a property through a set of values.
*
* If the current value isn't in the list, the cycle will
* (re)start from the beginning.
*
* property: the name of the property to cycle.
* value[*]: the list of values to cycle through.
*/
static bool
do_property_cycle (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg,root);
std::vector<SGPropertyNode_ptr> values = arg->getChildren("value");
bool wrap = arg->getBoolValue("wrap", true);
// compatible with knob/pick animations
int offset = arg->getIntValue("offset", 1);
int selection = -1;
int nSelections = values.size();
if (nSelections < 1) {
SG_LOG(SG_GENERAL, SG_ALERT, "No values for property-cycle");
return false;
}
// Try to find the current selection
for (int i = 0; i < nSelections; i++) {
if (compare_values(prop, values[i])) {
selection = i;
break;
}
}
if (selection < 0) { // default to first selection
selection = 0;
} else {
selection += offset;
if (wrap) {
selection = (selection + nSelections) % nSelections;
} else {
SG_CLAMP_RANGE(selection, 0, nSelections - 1);
}
}
prop->setUnspecifiedValue(values[selection]->getStringValue());
return true;
}
/**
* Built-in command: randomize a numeric property value.
*
* property: the name of the property value to randomize.
* min: the minimum allowed value.
* max: the maximum allowed value.
*/
static bool
do_property_randomize (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg,root);
double min = arg->getDoubleValue("min", DBL_MIN);
double max = arg->getDoubleValue("max", DBL_MAX);
prop->setDoubleValue(sg_random() * (max - min) + min);
return true;
}
/**
* Built-in command: interpolate a property value over time
*
* property: the name of the property value to interpolate.
* type: the interpolation type ("numeric", "color", etc.)
* easing: name of easing function (see http://easings.net/)
* value[0..n] any number of constant values to interpolate
* time/rate[0..n] time between each value, number of time elements must
* match those of value elements. Instead of time also rate can
* be used which automatically calculates the time to change
* the property value at the given speed.
* -or-
* property[1..n+1] any number of target values taken from named properties
* time/rate[0..n] time between each value, number of time elements must
* match those of value elements. Instead of time also rate can
* be used which automatically calculates the time to change
* the property value at the given speed.
*/
static bool
do_property_interpolate (const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPropertyNode * prop = get_prop(arg,root);
if( !prop )
return false;
simgear::PropertyList time_nodes = arg->getChildren("time");
simgear::PropertyList rate_nodes = arg->getChildren("rate");
if( !time_nodes.empty() && !rate_nodes.empty() )
// mustn't specify time and rate
return false;
simgear::PropertyList::size_type num_times = time_nodes.empty()
? rate_nodes.size()
: time_nodes.size();
simgear::PropertyList value_nodes = arg->getChildren("value");
if( value_nodes.empty() )
{
simgear::PropertyList prop_nodes = arg->getChildren("property");
// must have one more property node
if( prop_nodes.size() != num_times + 1 )
return false;
value_nodes.reserve(num_times);
for( size_t i = 1; i < prop_nodes.size(); ++i )
value_nodes.push_back( fgGetNode(prop_nodes[i]->getStringValue()) );
}
// must match
if( value_nodes.size() != num_times )
return false;
double_list deltas;
deltas.reserve(num_times);
if( !time_nodes.empty() )
{
for( size_t i = 0; i < num_times; ++i )
deltas.push_back( time_nodes[i]->getDoubleValue() );
}
else
{
for( size_t i = 0; i < num_times; ++i )
{
// TODO calculate delta based on property type
double delta = value_nodes[i]->getDoubleValue()
- ( i > 0
? value_nodes[i - 1]->getDoubleValue()
: prop->getDoubleValue()
);
deltas.push_back( fabs(delta / rate_nodes[i]->getDoubleValue()) );
}
}
return prop->interpolate
(
arg->getStringValue("type", "numeric"),
value_nodes,
deltas,
arg->getStringValue("easing", "linear")
);
}
/**
* Built-in command: reinit the data logging system based on the
* current contents of the /logger tree.
*/
static bool
do_data_logging_commit (const SGPropertyNode * arg, SGPropertyNode * root)
{
FGLogger *log = (FGLogger *)globals->get_subsystem("logger");
log->reinit();
return true;
}
/**
* Built-in command: set log level (0 ... 7)
*/
static bool
do_log_level (const SGPropertyNode * arg, SGPropertyNode * root)
{
sglog().setLogLevels( SG_ALL, (sgDebugPriority)arg->getIntValue() );
return true;
}
/**
* An fgcommand to allow loading of xml files via nasal,
* the xml file's structure will be made available within
* a property tree node defined under argument "targetnode",
* or in the given argument tree under "data" otherwise.
*
* @param filename a string to hold the complete path & filename of an XML file
* @param targetnode a string pointing to a location within the property tree
* where to store the parsed XML file. If <targetnode> is undefined, then the
* file contents are stored under a node <data> in the argument tree.
*/
static bool
do_load_xml_to_proptree(const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPath file(arg->getStringValue("filename"));
if (file.isNull())
return false;
if (file.extension() != "xml")
file.concat(".xml");
std::string icao = arg->getStringValue("icao");
if (icao.empty()) {
if (file.isRelative()) {
SGPath absPath = globals->resolve_maybe_aircraft_path(file.utf8Str());
if (!absPath.isNull())
file = absPath;
else
{
SG_LOG(SG_IO, SG_ALERT, "loadxml: Cannot find XML property file '"
<< file << "'.");
return false;
}
}
} else {
if (!XMLLoader::findAirportData(icao, file.utf8Str(), file)) {
SG_LOG(SG_IO, SG_INFO, "loadxml: failed to find airport data for "
<< file << " at ICAO:" << icao);
return false;
}
}
SGPath validated_path = fgValidatePath(file, false);
if (validated_path.isNull()) {
SG_LOG(SG_IO, SG_ALERT, "loadxml: reading '" << file << "' denied "
"(unauthorized directory - authorization no longer follows symlinks; to authorize reading additional directories, pass them to --allow-nasal-read)");
return false;
}
SGPropertyNode *targetnode;
if (arg->hasValue("targetnode"))
targetnode = fgGetNode(arg->getStringValue("targetnode"), true);
else
targetnode = const_cast<SGPropertyNode *>(arg)->getNode("data", true);
try {
readProperties(validated_path, targetnode, true);
} catch (const sg_exception &e) {
SG_LOG(SG_IO, SG_WARN, "loadxml: " << e.getFormattedMessage());
return false;
}
return true;
}
static bool
do_load_xml_from_url(const SGPropertyNode * arg, SGPropertyNode * root)
{
FGHTTPClient* http = static_cast<FGHTTPClient*>(globals->get_subsystem("http"));
if (!http) {
SG_LOG(SG_IO, SG_ALERT, "xmlhttprequest: HTTP client not running");
return false;
}
std::string url(arg->getStringValue("url"));
if (url.empty())
return false;
SGPropertyNode *targetnode;
if (arg->hasValue("targetnode"))
targetnode = fgGetNode(arg->getStringValue("targetnode"), true);
else
targetnode = const_cast<SGPropertyNode *>(arg)->getNode("data", true);
RemoteXMLRequest* req = new RemoteXMLRequest(url, targetnode);
if (arg->hasChild("body"))
req->setBodyData(arg->getChild("body"));
// connect up optional reporting properties
if (arg->hasValue("complete"))
req->setCompletionProp(fgGetNode(arg->getStringValue("complete"), true));
if (arg->hasValue("failure"))
req->setFailedProp(fgGetNode(arg->getStringValue("failure"), true));
if (arg->hasValue("status"))
req->setStatusProp(fgGetNode(arg->getStringValue("status"), true));
http->makeRequest(req);
return true;
}
/**
* An fgcommand to allow saving of xml files via nasal,
* the file's structure will be determined based on what's
* encountered in the passed (source) property tree node
*
* @param filename a string to hold the complete path & filename of the (new)
* XML file
* @param sourcenode a string pointing to a location within the property tree
* where to find the nodes that should be written recursively into an XML file
* @param data if no sourcenode is given, then the file contents are taken from
* the argument tree's "data" node.
*/
static bool
do_save_xml_from_proptree(const SGPropertyNode * arg, SGPropertyNode * root)
{
SGPath file(arg->getStringValue("filename"));
if (file.isNull())
return false;
if (file.extension() != "xml")
file.concat(".xml");
SGPath validated_path = fgValidatePath(file, true);
if (validated_path.isNull()) {
SG_LOG(SG_IO, SG_ALERT, "savexml: writing to '" << file << "' denied "
"(unauthorized directory - authorization no longer follows symlinks)");
return false;
}
SGPropertyNode *sourcenode;
if (arg->hasValue("sourcenode"))
sourcenode = fgGetNode(arg->getStringValue("sourcenode"), true);
else if (arg->getNode("data", false))
sourcenode = const_cast<SGPropertyNode *>(arg)->getNode("data");
else
return false;
try {
writeProperties (validated_path, sourcenode, true);
} catch (const sg_exception &e) {
SG_LOG(SG_IO, SG_WARN, "savexml: " << e.getFormattedMessage());
return false;
}
return true;
}
// Optional profiling commands using gperftools:
// http://code.google.com/p/gperftools/
#if !FG_HAVE_GPERFTOOLS
static void
no_profiling_support()
{
SG_LOG
(
SG_GENERAL,
SG_WARN,
"No profiling support! Install gperftools and reconfigure/rebuild fgfs."
);
}
#endif
static bool
do_profiler_start(const SGPropertyNode *arg, SGPropertyNode *root)
{
#if FG_HAVE_GPERFTOOLS
const char *filename = arg->getStringValue("filename", "fgfs.profile");
ProfilerStart(filename);
return true;
#else
no_profiling_support();
return false;
#endif
}
static bool
do_profiler_stop(const SGPropertyNode *arg, SGPropertyNode *root)
{
#if FG_HAVE_GPERFTOOLS
ProfilerStop();
return true;
#else
no_profiling_support();
return false;
#endif
}
////////////////////////////////////////////////////////////////////////
// Command setup.
////////////////////////////////////////////////////////////////////////
/**
* Table of built-in commands.
*
* New commands do not have to be added here; any module in the application
* can add a new command using globals->get_commands()->addCommand(...).
*/
static struct {
const char * name;
SGCommandMgr::command_t command;
} built_ins [] = {
{ "null", do_null },
{ "nasal", do_nasal },
{ "pause", do_pause },
{ "load", do_load },
{ "save", do_save },
{ "save-tape", do_save_tape },
{ "load-tape", do_load_tape },
{ "view-cycle", do_view_cycle },
/*
{ "set-sea-level-air-temp-degc", do_set_sea_level_degc },
{ "set-outside-air-temp-degc", do_set_oat_degc },
{ "set-dewpoint-sea-level-air-temp-degc", do_set_dewpoint_sea_level_degc },
{ "set-dewpoint-temp-degc", do_set_dewpoint_degc },
*/
{ "property-toggle", do_property_toggle },
{ "property-assign", do_property_assign },
{ "property-adjust", do_property_adjust },
{ "property-multiply", do_property_multiply },
{ "property-swap", do_property_swap },
{ "property-scale", do_property_scale },
{ "property-cycle", do_property_cycle },
{ "property-randomize", do_property_randomize },
{ "property-interpolate", do_property_interpolate },
{ "data-logging-commit", do_data_logging_commit },
{ "log-level", do_log_level },
{ "replay", do_replay },
/*
{ "decrease-visibility", do_decrease_visibility },
{ "increase-visibility", do_increase_visibility },
*/
{ "loadxml", do_load_xml_to_proptree},
{ "savexml", do_save_xml_from_proptree },
{ "xmlhttprequest", do_load_xml_from_url },
{ "profiler-start", do_profiler_start },
{ "profiler-stop", do_profiler_stop },
{ 0, 0 } // zero-terminated
};
/**
* Initialize the default built-in commands.
*
* Other commands may be added by other parts of the application.
*/
void
fgInitCommands ()
{
// set our property root as the implicit default root for the
// command managr
SGCommandMgr::instance()->setImplicitRoot(globals->get_props());
SG_LOG(SG_GENERAL, SG_BULK, "Initializing basic built-in commands:");
for (int i = 0; built_ins[i].name != 0; i++) {
SG_LOG(SG_GENERAL, SG_BULK, " " << built_ins[i].name);
globals->get_commands()->addCommand(built_ins[i].name,
built_ins[i].command);
}
typedef bool (*dummy)();
fgTie( "/command/view/next", dummy(0), do_view_next );
fgTie( "/command/view/prev", dummy(0), do_view_prev );
globals->get_props()->setValueReadOnly( "/sim/debug/profiler-available",
bool(FG_HAVE_GPERFTOOLS) );
}
// end of fg_commands.cxx
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