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   1 /*
   2  * Copyright © 2010 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.altoslib_10;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.text.*;
  23
  24 public class AltosPreferences {
  25         public static AltosPreferencesBackend backend = null;
  26
  27         /* logdir preference name */
  28         public final static String logdirPreference = "LOGDIR";
  29
  30         /* channel preference name */
  31         public final static String channelPreferenceFormat = "CHANNEL-%d";
  32
  33         /* frequency preference name */
  34         public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
  35
  36         /* telemetry format preference name */
  37         public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
  38
  39         /* telemetry rate format preference name */
  40         public final static String telemetryRatePreferenceFormat = "RATE-%d";
  41
  42         /* log file format preference name */
  43         public final static String logfilePreferenceFormat = "LOGFILE-%d";
  44
  45         /* state preference name */
  46         public final static String statePreferenceHead = "STATE-";
  47         public final static String statePreferenceFormat = "STATE-%d";
  48         public final static String statePreferenceLatest = "STATE-LATEST";
  49
  50         /* voice preference name */
  51         public final static String voicePreference = "VOICE";
  52
  53         /* callsign preference name */
  54         public final static String callsignPreference = "CALLSIGN";
  55
  56         /* firmware directory preference name */
  57         public final static String firmwaredirPreference = "FIRMWARE";
  58
  59         /* serial debug preference name */
  60         public final static String serialDebugPreference = "SERIAL-DEBUG";
  61
  62         /* scanning telemetry preferences name */
  63         public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
  64
  65         /* scanning telemetry rate preferences name */
  66         public final static String scanningTelemetryRatePreference = "SCANNING-RATE";
  67
  68         /* Launcher serial preference name */
  69         public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
  70
  71         /* Launcher channel preference name */
  72         public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
  73
  74         /* Default logdir is ~/TeleMetrum */
  75         public final static String logdirName = "TeleMetrum";
  76
  77         /* Log directory */
  78         public static File logdir;
  79
  80         /* Last log directory - use this next time we open or save something */
  81         public static File last_logdir;
  82
  83         /* Map directory -- hangs of logdir */
  84         public static File mapdir;
  85
  86         /* Frequency (map serial to frequency) */
  87         public static Hashtable<Integer, Double> frequencies;
  88
  89         /* Telemetry (map serial to telemetry format) */
  90         public static Hashtable<Integer, Integer> telemetries;
  91
  92         /* Telemetry rate (map serial to telemetry format) */
  93         public static Hashtable<Integer, Integer> telemetry_rates;
  94
  95         /* Log file (map serial to logfile name) */
  96         public static Hashtable<Integer, File> logfiles;
  97
  98         /* Voice preference */
  99         public static boolean voice;
 100
 101         /* Callsign preference */
 102         public static String callsign;
 103
 104         /* Firmware directory */
 105         public static File firmwaredir;
 106
 107         /* Scanning telemetry */
 108         public static int scanning_telemetry;
 109
 110         public static int scanning_telemetry_rate;
 111
 112         /* List of frequencies */
 113         public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
 114         public static AltosFrequency[] common_frequencies;
 115
 116         public final static String      frequency_count = "COUNT";
 117         public final static String      frequency_format = "FREQUENCY-%d";
 118         public final static String      description_format = "DESCRIPTION-%d";
 119
 120         /* Units preference */
 121
 122         public final static String      unitsPreference = "IMPERIAL-UNITS";
 123
 124         /* Maps cache size preference name */
 125         final static String mapCachePreference = "MAP-CACHE";
 126
 127         static LinkedList<AltosMapCacheListener> map_cache_listeners;
 128
 129         public static int map_cache = 9;
 130
 131         final static String mapTypePreference = "MAP-TYPE";
 132         static int      map_type;
 133
 134         public static AltosFrequency[] load_common_frequencies() {
 135                 AltosFrequency[] frequencies = null;
 136                 boolean existing = false;
 137                 existing = backend.nodeExists(common_frequencies_node_name);
 138
 139                 if (existing) {
 140                         AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 141                         int             count = node.getInt(frequency_count, 0);
 142
 143                         frequencies = new AltosFrequency[count];
 144                         for (int i = 0; i < count; i++) {
 145                                 double  frequency;
 146                                 String  description;
 147
 148                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 149                                 description = node.getString(String.format(description_format, i), null);
 150                                 frequencies[i] = new AltosFrequency(frequency, description);
 151                         }
 152                 } else {
 153                         frequencies = new AltosFrequency[10];
 154                         for (int i = 0; i < 10; i++) {
 155                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 156                                                                            String.format("Channel %d", i));
 157                         }
 158                 }
 159                 return frequencies;
 160         }
 161
 162         public static void save_common_frequencies(AltosFrequency[] frequencies) {
 163                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 164
 165                 node.putInt(frequency_count, frequencies.length);
 166                 for (int i = 0; i < frequencies.length; i++) {
 167                         node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
 168                         node.putString(String.format(description_format, i), frequencies[i].description);
 169                 }
 170         }
 171         public static int launcher_serial;
 172
 173         public static int launcher_channel;
 174
 175         public static void init(AltosPreferencesBackend in_backend) {
 176
 177                 if (backend != null)
 178                         return;
 179
 180                 backend = in_backend;
 181
 182                 /* Initialize logdir from preferences */
 183                 String logdir_string = backend.getString(logdirPreference, null);
 184                 if (logdir_string != null)
 185                         logdir = new File(logdir_string);
 186                 else {
 187                         logdir = new File(backend.homeDirectory(), logdirName);
 188                         if (!logdir.exists())
 189                                 logdir.mkdirs();
 190                 }
 191                 mapdir = new File(logdir, "maps");
 192                 if (!mapdir.exists())
 193                         mapdir.mkdirs();
 194
 195                 frequencies = new Hashtable<Integer, Double>();
 196
 197                 telemetries = new Hashtable<Integer,Integer>();
 198
 199                 telemetry_rates = new Hashtable<Integer,Integer>();
 200
 201                 logfiles = new Hashtable<Integer,File>();
 202
 203                 voice = backend.getBoolean(voicePreference, true);
 204
 205                 callsign = backend.getString(callsignPreference,"N0CALL");
 206
 207                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 208
 209                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 210
 211                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 212
 213                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 214
 215                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 216                 if (firmwaredir_string != null)
 217                         firmwaredir = new File(firmwaredir_string);
 218                 else
 219                         firmwaredir = null;
 220
 221                 common_frequencies = load_common_frequencies();
 222
 223                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 224
 225                 map_cache = backend.getInt(mapCachePreference, 9);
 226                 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
 227                 map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
 228         }
 229
 230         public static void flush_preferences() {
 231                 backend.flush();
 232         }
 233
 234         public static void set_logdir(File new_logdir) {
 235                 synchronized (backend) {
 236                         logdir = new_logdir;
 237                         mapdir = new File(logdir, "maps");
 238                         if (!mapdir.exists())
 239                                 mapdir.mkdirs();
 240                         backend.putString(logdirPreference, logdir.getPath());
 241                         flush_preferences();
 242                 }
 243         }
 244
 245         public static File logdir() {
 246                 synchronized (backend) {
 247                         return logdir;
 248                 }
 249         }
 250
 251         public static File last_logdir() {
 252                 synchronized (backend) {
 253                         if (last_logdir == null)
 254                                 last_logdir = logdir;
 255                         return last_logdir;
 256                 }
 257         }
 258
 259         public static void set_last_logdir(File file) {
 260                 synchronized(backend) {
 261                         if (file != null && !file.isDirectory())
 262                                 file = file.getParentFile();
 263                         if (file == null)
 264                                 file = new File(".");
 265                         last_logdir = file;
 266                 }
 267         }
 268
 269         public static File mapdir() {
 270                 synchronized (backend) {
 271                         return mapdir;
 272                 }
 273         }
 274
 275         public static void set_frequency(int serial, double new_frequency) {
 276                 synchronized (backend) {
 277                         frequencies.put(serial, new_frequency);
 278                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 279                         flush_preferences();
 280                 }
 281         }
 282
 283         public static double frequency(int serial) {
 284                 synchronized (backend) {
 285                         if (frequencies.containsKey(serial))
 286                                 return frequencies.get(serial);
 287                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 288                         if (frequency == 0.0) {
 289                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 290                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 291                         }
 292                         frequencies.put(serial, frequency);
 293                         return frequency;
 294                 }
 295         }
 296
 297         public static void set_telemetry(int serial, int new_telemetry) {
 298                 synchronized (backend) {
 299                         telemetries.put(serial, new_telemetry);
 300                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 301                         flush_preferences();
 302                 }
 303         }
 304
 305         public static int telemetry(int serial) {
 306                 synchronized (backend) {
 307                         if (telemetries.containsKey(serial))
 308                                 return telemetries.get(serial);
 309                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 310                                                    AltosLib.ao_telemetry_standard);
 311                         telemetries.put(serial, telemetry);
 312                         return telemetry;
 313                 }
 314         }
 315
 316         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 317                 synchronized (backend) {
 318                         telemetry_rates.put(serial, new_telemetry_rate);
 319                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 320                         flush_preferences();
 321                 }
 322         }
 323
 324         public static int telemetry_rate(int serial) {
 325                 synchronized (backend) {
 326                         if (telemetry_rates.containsKey(serial))
 327                                 return telemetry_rates.get(serial);
 328                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 329                                                             AltosLib.ao_telemetry_rate_38400);
 330                         telemetry_rates.put(serial, telemetry_rate);
 331                         return telemetry_rate;
 332                 }
 333         }
 334
 335         public static void set_logfile(int serial, File new_logfile) {
 336                 synchronized(backend) {
 337                         logfiles.put(serial, new_logfile);
 338                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 339                         flush_preferences();
 340                 }
 341         }
 342
 343         public static File logfile(int serial) {
 344                 synchronized(backend) {
 345                         if (logfiles.containsKey(serial))
 346                                 return logfiles.get(serial);
 347                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 348                         if (logfile_string == null)
 349                                 return null;
 350                         File logfile = new File(logfile_string);
 351                         logfiles.put(serial, logfile);
 352                         return logfile;
 353                 }
 354         }
 355
 356         public static void set_state(int serial, AltosState state, AltosListenerState listener_state) {
 357
 358                 backend.debug("set_state for %d pos %g,%g\n",
 359                               serial,
 360                               state.gps != null ? state.gps.lat : 0.0,
 361                               state.gps != null ? state.gps.lon : 0.0);
 362
 363                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
 364
 365                 try {
 366                         ObjectOutputStream oos = new ObjectOutputStream(baos);
 367
 368                         AltosSavedState saved_state = new AltosSavedState(state, listener_state);
 369                         oos.writeObject(saved_state);
 370
 371                         byte[] bytes = baos.toByteArray();
 372
 373                         synchronized(backend) {
 374                                 backend.putBytes(String.format(statePreferenceFormat, serial), bytes);
 375                                 backend.putInt(statePreferenceLatest, serial);
 376                                 flush_preferences();
 377                         }
 378                 } catch (IOException ie) {
 379                         backend.debug("set_state failed %s\n", ie.toString());
 380                 }
 381         }
 382
 383         public static ArrayList<Integer> list_states() {
 384                 String[]                keys = backend.keys();
 385                 ArrayList<Integer>      states = new ArrayList<Integer>();
 386
 387                 for (String key : keys) {
 388                         if (key.startsWith(statePreferenceHead)) {
 389                                 backend.debug("list_states %s\n", key);
 390                                 try {
 391                                         int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
 392                                         states.add(serial);
 393                                 } catch (ParseException pe) {
 394                                 }
 395                         }
 396                 }
 397                 return states;
 398         }
 399
 400         public static void remove_state(int serial) {
 401                 synchronized(backend) {
 402                         backend.remove(String.format(statePreferenceFormat, serial));
 403                 }
 404         }
 405
 406         public static int latest_state() {
 407                 int     latest = 0;
 408                 synchronized (backend) {
 409                         latest = backend.getInt(statePreferenceLatest, 0);
 410                 }
 411                 return latest;
 412         }
 413
 414         public static AltosSavedState state(int serial) {
 415                 byte[] bytes = null;
 416
 417                 backend.debug("get state %d\n", serial);
 418
 419                 synchronized(backend) {
 420                         bytes = backend.getBytes(String.format(statePreferenceFormat, serial), null);
 421                 }
 422
 423                 if (bytes == null) {
 424                         backend.debug("no state for %d\n", serial);
 425                         return null;
 426                 }
 427
 428                 ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
 429
 430                 try {
 431                         ObjectInputStream ois = new ObjectInputStream(bais);
 432                         AltosSavedState saved_state = (AltosSavedState) ois.readObject();
 433                         backend.debug("got saved state for %d: %g,%g\n",
 434                                       serial,
 435                                       saved_state.state.gps != null ? saved_state.state.gps.lat : 0.0,
 436                                       saved_state.state.gps != null ? saved_state.state.gps.lon : 0.0);
 437                         return saved_state;
 438                 } catch (IOException ie) {
 439                         backend.debug("IO exception %s\n", ie.toString());
 440                 } catch (ClassNotFoundException ce) {
 441                         backend.debug("ClassNotFoundException %s\n", ce.toString());
 442                 }
 443                 return null;
 444         }
 445
 446         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 447                 synchronized (backend) {
 448                         scanning_telemetry = new_scanning_telemetry;
 449                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 450                         flush_preferences();
 451                 }
 452         }
 453
 454         public static int scanning_telemetry() {
 455                 synchronized (backend) {
 456                         return scanning_telemetry;
 457                 }
 458         }
 459
 460         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 461                 synchronized (backend) {
 462                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 463                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 464                         flush_preferences();
 465                 }
 466         }
 467
 468         public static int scanning_telemetry_rate() {
 469                 synchronized(backend) {
 470                         return scanning_telemetry_rate;
 471                 }
 472         }
 473
 474         public static void set_voice(boolean new_voice) {
 475                 synchronized (backend) {
 476                         voice = new_voice;
 477                         backend.putBoolean(voicePreference, voice);
 478                         flush_preferences();
 479                 }
 480         }
 481
 482         public static boolean voice() {
 483                 synchronized (backend) {
 484                         return voice;
 485                 }
 486         }
 487
 488         public static void set_callsign(String new_callsign) {
 489                 synchronized(backend) {
 490                         callsign = new_callsign;
 491                         backend.putString(callsignPreference, callsign);
 492                         flush_preferences();
 493                 }
 494         }
 495
 496         public static String callsign() {
 497                 synchronized(backend) {
 498                         return callsign;
 499                 }
 500         }
 501
 502         public static void set_firmwaredir(File new_firmwaredir) {
 503                 synchronized (backend) {
 504                         firmwaredir = new_firmwaredir;
 505                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 506                         flush_preferences();
 507                 }
 508         }
 509
 510         public static File firmwaredir() {
 511                 synchronized (backend) {
 512                         return firmwaredir;
 513                 }
 514         }
 515
 516         public static void set_launcher_serial(int new_launcher_serial) {
 517                 synchronized (backend) {
 518                         launcher_serial = new_launcher_serial;
 519                         backend.putInt(launcherSerialPreference, launcher_serial);
 520                         flush_preferences();
 521                 }
 522         }
 523
 524         public static int launcher_serial() {
 525                 synchronized (backend) {
 526                         return launcher_serial;
 527                 }
 528         }
 529
 530         public static void set_launcher_channel(int new_launcher_channel) {
 531                 synchronized (backend) {
 532                         launcher_channel = new_launcher_channel;
 533                         backend.putInt(launcherChannelPreference, launcher_channel);
 534                         flush_preferences();
 535                 }
 536         }
 537
 538         public static int launcher_channel() {
 539                 synchronized (backend) {
 540                         return launcher_channel;
 541                 }
 542         }
 543
 544         public static AltosPreferencesBackend bt_devices() {
 545                 synchronized (backend) {
 546                         return backend.node("bt_devices");
 547                 }
 548         }
 549
 550         public static AltosFrequency[] common_frequencies() {
 551                 synchronized (backend) {
 552                         return common_frequencies;
 553                 }
 554         }
 555
 556         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 557                 synchronized(backend) {
 558                         common_frequencies = frequencies;
 559                         save_common_frequencies(frequencies);
 560                         flush_preferences();
 561                 }
 562         }
 563
 564         public static void add_common_frequency(AltosFrequency frequency) {
 565                 AltosFrequency[]        old_frequencies = common_frequencies();
 566                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 567                 int                     i;
 568
 569                 for (i = 0; i < old_frequencies.length; i++) {
 570                         if (frequency.frequency == old_frequencies[i].frequency)
 571                                 return;
 572                         if (frequency.frequency < old_frequencies[i].frequency)
 573                                 break;
 574                         new_frequencies[i] = old_frequencies[i];
 575                 }
 576                 new_frequencies[i] = frequency;
 577                 for (; i < old_frequencies.length; i++)
 578                         new_frequencies[i+1] = old_frequencies[i];
 579                 set_common_frequencies(new_frequencies);
 580         }
 581
 582         static LinkedList<AltosUnitsListener> units_listeners;
 583
 584         public static boolean imperial_units() {
 585                 synchronized(backend) {
 586                         return AltosConvert.imperial_units;
 587                 }
 588         }
 589
 590         public static void set_imperial_units(boolean imperial_units) {
 591                 synchronized (backend) {
 592                         AltosConvert.imperial_units = imperial_units;
 593                         backend.putBoolean(unitsPreference, imperial_units);
 594                         flush_preferences();
 595                 }
 596                 if (units_listeners != null) {
 597                         for (AltosUnitsListener l : units_listeners) {
 598                                 l.units_changed(imperial_units);
 599                         }
 600                 }
 601         }
 602
 603         public static void register_units_listener(AltosUnitsListener l) {
 604                 synchronized(backend) {
 605                         if (units_listeners == null)
 606                                 units_listeners = new LinkedList<AltosUnitsListener>();
 607                         units_listeners.add(l);
 608                 }
 609         }
 610
 611         public static void unregister_units_listener(AltosUnitsListener l) {
 612                 synchronized(backend) {
 613                         units_listeners.remove(l);
 614                 }
 615         }
 616
 617
 618         public static void register_map_cache_listener(AltosMapCacheListener l) {
 619                 synchronized(backend) {
 620                         map_cache_listeners.add(l);
 621                 }
 622         }
 623
 624         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 625                 synchronized (backend) {
 626                         map_cache_listeners.remove(l);
 627                 }
 628         }
 629
 630         public static void set_map_cache(int new_map_cache) {
 631                 synchronized(backend) {
 632                         map_cache = new_map_cache;
 633                         backend.putInt(mapCachePreference, map_cache);
 634                         flush_preferences();
 635                         for (AltosMapCacheListener l: map_cache_listeners)
 636                                 l.map_cache_changed(map_cache);
 637                 }
 638         }
 639
 640         public static int map_cache() {
 641                 synchronized(backend) {
 642                         return map_cache;
 643                 }
 644         }
 645
 646         static LinkedList<AltosMapTypeListener> map_type_listeners;
 647
 648         public static void set_map_type(int map_type) {
 649                 synchronized(backend) {
 650                         AltosPreferences.map_type = map_type;
 651                         backend.putInt(mapTypePreference, map_type);
 652                         flush_preferences();
 653                 }
 654                 if (map_type_listeners != null) {
 655                         for (AltosMapTypeListener l : map_type_listeners) {
 656                                 l.map_type_changed(map_type);
 657                         }
 658                 }
 659         }
 660
 661         public static int map_type() {
 662                 synchronized(backend) {
 663                         return map_type;
 664                 }
 665         }
 666
 667         public static void register_map_type_listener(AltosMapTypeListener l) {
 668                 synchronized(backend) {
 669                         if (map_type_listeners == null)
 670                                 map_type_listeners = new LinkedList<AltosMapTypeListener>();
 671                         map_type_listeners.add(l);
 672                 }
 673         }
 674
 675         public static void unregister_map_type_listener(AltosMapTypeListener l) {
 676                 synchronized(backend) {
 677                         map_type_listeners.remove(l);
 678                 }
 679         }
 680 }