# include <config.h>
#endif
+#include <simgear/compiler.h>
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h> // strcmp()
-#ifdef _WIN32
+#if defined(SG_WINDOWS)
# include <io.h> // isatty()
+# include <process.h> // _getpid()
+# include <Windows.h>
# define isatty _isatty
+#else
+// for open() and options
+# include <sys/types.h>
+# include <sys/stat.h>
+# include <fcntl.h>
#endif
-#include <simgear/compiler.h>
-
#include <string>
#include <boost/algorithm/string/compare.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <Canvas/canvas_mgr.hxx>
#include <Canvas/gui_mgr.hxx>
#include <GUI/new_gui.hxx>
+#include <GUI/MessageBox.hxx>
#include <Input/input.hxx>
#include <Instrumentation/instrument_mgr.hxx>
#include <Model/acmodel.hxx>
#include "positioninit.hxx"
#include "util.hxx"
+#if defined(SG_MAC)
+#include <GUI/CocoaHelpers.h> // for Mac impl of platformDefaultDataPath()
+#endif
+
using std::string;
using std::endl;
using std::cerr;
string fgBasePackageVersion() {
SGPath base_path( globals->get_fg_root() );
base_path.append("version");
-
+ if (!base_path.exists()) {
+ return string();
+ }
+
sg_gzifstream in( base_path.str() );
- if ( !in.is_open() ) {
- SGPath old_path( globals->get_fg_root() );
- old_path.append( "Thanks" );
- sg_gzifstream old( old_path.str() );
- if ( !old.is_open() ) {
- return "[none]";
- } else {
- return "[old version]";
- }
+ if (!in.is_open()) {
+ return string();
}
string version;
{
std::string aircraft = fgGetString( "/sim/aircraft", "");
if (aircraft.empty()) {
+ flightgear::fatalMessageBox("No aircraft", "No aircraft was specified");
SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
return false;
}
readProperties(setFile.str(), globals->get_props());
} catch ( const sg_exception &e ) {
SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
+ flightgear::fatalMessageBox("Error reading aircraft",
+ "An error occured reading the requested aircraft (" + aircraft + ")",
+ e.getFormattedMessage());
return false;
}
} else {
SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
"' not found in specified dir:" << aircraftDir);
+ flightgear::fatalMessageBox("Aircraft not found",
+ "The requested aircraft '" + aircraft + "' could not be found in the specified location.",
+ aircraftDir);
return false;
}
}
if (_foundPath.str().empty()) {
SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
+ flightgear::fatalMessageBox("Aircraft not found",
+ "The requested aircraft '" + aircraft + "' could not be found in any of the search paths");
+
return false;
}
readProperties(_foundPath.str(), globals->get_props());
} catch ( const sg_exception &e ) {
SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
+ flightgear::fatalMessageBox("Error reading aircraft",
+ "An error occured reading the requested aircraft (" + aircraft + ")",
+ e.getFormattedMessage());
return false;
}
return config;
}
-#elif __APPLE__
-#include <CoreServices/CoreServices.h>
-
-static SGPath platformDefaultDataPath()
-{
- FSRef ref;
- OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
- if (err) {
- return SGPath();
- }
+#elif defined(SG_MAC)
- unsigned char path[1024];
- if (FSRefMakePath(&ref, path, 1024) != noErr) {
- return SGPath();
- }
+// platformDefaultDataPath defined in GUI/CocoaHelpers.h
- SGPath appData;
- appData.set((const char*) path);
- appData.append("FlightGear");
- return appData;
-}
#else
static SGPath platformDefaultDataPath()
{
}
#endif
-void fgInitHome()
+bool fgInitHome()
{
SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
globals->set_fg_home(dataPath.c_str());
if (!fgHome.exists()) {
fgHome.create(0755);
}
+
+ if (!fgHome.exists()) {
+ flightgear::fatalMessageBox("Problem setting up user data",
+ "Unable to create the user-data storage folder at: '"
+ + dataPath.str() + "'");
+ return false;
+ }
+
+ if (fgGetBool("/sim/fghome-readonly", false)) {
+ // user / config forced us into readonly mode, fine
+ SG_LOG(SG_GENERAL, SG_INFO, "Running with FG_HOME readonly");
+ return true;
+ }
+
+// write our PID, and check writeability
+ SGPath pidPath(dataPath, "fgfs.pid");
+ if (pidPath.exists()) {
+ SG_LOG(SG_GENERAL, SG_INFO, "flightgear instance already running, switching to FG_HOME read-only.");
+ // set a marker property so terrasync/navcache don't try to write
+ // from secondary instances
+ fgSetBool("/sim/fghome-readonly", true);
+ return true;
+ }
+
+ char buf[16];
+ bool result = false;
+#if defined(SG_WINDOWS)
+ size_t len = snprintf(buf, 16, "%d", _getpid());
+
+ HANDLE f = CreateFileA(pidPath.c_str(), GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ, /* sharing */
+ NULL, /* security attributes */
+ CREATE_NEW, /* error if already exists */
+ FILE_FLAG_DELETE_ON_CLOSE,
+ NULL /* template */);
+
+ result = (f != INVALID_HANDLE_VALUE);
+ if (result) {
+ DWORD written;
+ WriteFile(f, buf, len, &written, NULL /* overlapped */);
+ }
+#else
+ // POSIX, do open+unlink trick to the file is deleted on exit, even if we
+ // crash or exit(-1)
+ size_t len = snprintf(buf, 16, "%d", getpid());
+ int fd = ::open(pidPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
+ if (fd >= 0) {
+ ::write(fd, buf, len);
+ ::unlink(pidPath.c_str()); // delete file when app quits
+ result = true;
+ }
+
+ fgSetBool("/sim/fghome-readonly", false);
+#endif
+ if (!result) {
+ flightgear::fatalMessageBox("File permissions problem",
+ "Can't write to user-data storage folder, check file permissions and FG_HOME.",
+ "User-data at:" + dataPath.str());
+ }
+ return result;
}
// Read in configuration (file and command line)
SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
fgLoadProps("preferences.xml", globals->get_props());
SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
-
- // do not load user settings when reset to default is requested
- if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
+
+ // do not load user settings when reset to default is requested, or if
+ // told to explicitly ignore
+ if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
{
SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
}
{
fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
+ simgear::requestConsole(); // ensure console is shown on Windows
+
std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
- SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
cout << "Available aircraft:" << endl;
for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
cout << _aircraft[i] << endl;
projects / flightgear.git / blobdiff