1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878
|
/*
D-Bus Java Implementation
Copyright (c) 2005-2006 Matthew Johnson
This program is free software; you can redistribute it and/or modify it
under the terms of either the GNU Lesser General Public License Version 2 or the
Academic Free Licence Version 2.1.
Full licence texts are included in the COPYING file with this program.
*/
package org.freedesktop.dbus.bin;
import static org.freedesktop.dbus.Gettext._;
import org.freedesktop.DBus;
import org.freedesktop.dbus.AbstractConnection;
import org.freedesktop.dbus.BusAddress;
import org.freedesktop.dbus.DBusSignal;
import org.freedesktop.dbus.DirectConnection;
import org.freedesktop.dbus.Error;
import org.freedesktop.dbus.Marshalling;
import org.freedesktop.dbus.Message;
import org.freedesktop.dbus.MessageReader;
import org.freedesktop.dbus.MessageWriter;
import org.freedesktop.dbus.MethodCall;
import org.freedesktop.dbus.MethodReturn;
import org.freedesktop.dbus.Transport;
import org.freedesktop.dbus.UInt32;
import org.freedesktop.dbus.exceptions.DBusException;
import org.freedesktop.dbus.exceptions.DBusExecutionException;
import org.freedesktop.dbus.exceptions.FatalException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.ref.WeakReference;
import java.lang.reflect.InvocationTargetException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.text.MessageFormat;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import cx.ath.matthew.debug.Debug;
import cx.ath.matthew.unix.UnixServerSocket;
import cx.ath.matthew.unix.UnixSocket;
import cx.ath.matthew.unix.UnixSocketAddress;
/**
* A replacement DBusDaemon
*/
public class DBusDaemon extends Thread
{
public static final int QUEUE_POLL_WAIT = 500;
static class Connstruct
{
public UnixSocket usock;
public Socket tsock;
public MessageReader min;
public MessageWriter mout;
public String unique;
public Connstruct(UnixSocket sock)
{
this.usock = sock;
min = new MessageReader(sock.getInputStream());
mout = new MessageWriter(sock.getOutputStream());
}
public Connstruct(Socket sock) throws IOException
{
this.tsock = sock;
min = new MessageReader(sock.getInputStream());
mout = new MessageWriter(sock.getOutputStream());
}
public String toString()
{
return null == unique ? ":?-?" : unique;
}
}
static class MagicMap<A, B>
{
private Map<A, LinkedList<B>> m;
private LinkedList<A> q;
private String name;
public MagicMap(String name)
{
m = new HashMap<A, LinkedList<B>>();
q = new LinkedList<A>();
this.name = name;
}
public A head()
{
return q.getFirst();
}
public void putFirst(A a, B b)
{
if (Debug.debug) Debug.print("<"+name+"> Queueing {"+a+" => "+b+"}");
if (m.containsKey(a))
m.get(a).add(b);
else {
LinkedList<B> l = new LinkedList<B>();
l.add(b);
m.put(a, l);
}
q.addFirst(a);
}
public void putLast(A a, B b)
{
if (Debug.debug) Debug.print("<"+name+"> Queueing {"+a+" => "+b+"}");
if (m.containsKey(a))
m.get(a).add(b);
else {
LinkedList<B> l = new LinkedList<B>();
l.add(b);
m.put(a, l);
}
q.addLast(a);
}
public List<B> remove(A a)
{
if (Debug.debug) Debug.print("<"+name+"> Removing {"+a+"}");
q.remove(a);
return m.remove(a);
}
public int size()
{
return q.size();
}
}
public class DBusServer extends Thread implements DBus, DBus.Introspectable, DBus.Peer
{
public DBusServer()
{
setName("Server");
}
public Connstruct c;
public Message m;
public boolean isRemote() { return false; }
public String Hello()
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
synchronized (c) {
if (null != c.unique)
throw new org.freedesktop.DBus.Error.AccessDenied(_("Connection has already sent a Hello message"));
synchronized (unique_lock) {
c.unique = ":1."+(++next_unique);
}
}
synchronized (names) {
names.put(c.unique, c);
}
if (Debug.debug) Debug.print(Debug.WARN, "Client "+c.unique+" registered");
try {
send(c, new DBusSignal("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameAcquired", "s", c.unique));
DBusSignal s = new DBusSignal("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameOwnerChanged", "sss", c.unique, "", c.unique);
send(null, s);
} catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return c.unique;
}
public String[] ListNames()
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
String[] ns;
synchronized (names) {
Set<String> nss = names.keySet();
ns = nss.toArray(new String[0]);
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return ns;
}
public boolean NameHasOwner(String name)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
boolean rv;
synchronized (names) {
rv = names.containsKey(name);
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return rv;
}
public String GetNameOwner(String name)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
Connstruct owner = names.get(name);
String o;
if (null == owner)
o = "";
else
o = owner.unique;
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return o;
}
public UInt32 GetConnectionUnixUser(String connection_name)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return new UInt32(0);
}
public UInt32 StartServiceByName(String name, UInt32 flags)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return new UInt32(0);
}
public UInt32 RequestName(String name, UInt32 flags)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
boolean exists = false;
synchronized (names) {
if (!(exists = names.containsKey(name)))
names.put(name, c);
}
int rv;
if (exists) {
rv = DBus.DBUS_REQUEST_NAME_REPLY_EXISTS;
} else {
if (Debug.debug) Debug.print(Debug.WARN, "Client "+c.unique+" acquired name "+name);
rv = DBus.DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER;
try {
send(c, new DBusSignal("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameAcquired", "s", name));
send(null, new DBusSignal("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameOwnerChanged", "sss", name, "", c.unique));
} catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
}
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return new UInt32(rv);
}
public UInt32 ReleaseName(String name)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
boolean exists = false;
synchronized (names) {
if ((exists = (names.containsKey(name) && names.get(name).equals(c))))
names.remove(name);
}
int rv;
if (!exists) {
rv = DBus.DBUS_RELEASE_NAME_REPLY_NON_EXISTANT;
} else {
if (Debug.debug) Debug.print(Debug.WARN, "Client "+c.unique+" acquired name "+name);
rv = DBus.DBUS_RELEASE_NAME_REPLY_RELEASED;
try {
send(c, new DBusSignal("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameLost", "s", name));
send(null, new DBusSignal("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameOwnerChanged", "sss", name, c.unique, ""));
} catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
}
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return new UInt32(rv);
}
public void AddMatch(String matchrule) throws Error.MatchRuleInvalid
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.VERBOSE, "Adding match rule: "+matchrule);
synchronized (sigrecips) {
if (!sigrecips.contains(c))
sigrecips.add(c);
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return;
}
public void RemoveMatch(String matchrule) throws Error.MatchRuleInvalid
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.VERBOSE, "Removing match rule: "+matchrule);
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return;
}
public String[] ListQueuedOwners(String name)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return new String[0];
}
public UInt32 GetConnectionUnixProcessID(String connection_name)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return new UInt32(0);
}
public Byte[] GetConnectionSELinuxSecurityContext(String a)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return new Byte[0];
}
public void ReloadConfig()
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return;
}
@SuppressWarnings("unchecked")
private void handleMessage(Connstruct c, Message m) throws DBusException
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.VERBOSE, "Handling message "+m+" from "+c.unique);
if (!(m instanceof MethodCall)) return;
Object[] args = m.getParameters();
Class<? extends Object>[] cs = new Class[args.length];
for (int i = 0; i < cs.length; i++)
cs[i] = args[i].getClass();
java.lang.reflect.Method meth = null;
Object rv = null;
try {
meth = DBusServer.class.getMethod(m.getName(), cs);
try {
this.c = c;
this.m = m;
rv = meth.invoke(dbus_server, args);
if (null == rv) {
send(c, new MethodReturn("org.freedesktop.DBus", (MethodCall) m, null), true);
} else {
String sig = Marshalling.getDBusType(meth.getGenericReturnType())[0];
send(c, new MethodReturn("org.freedesktop.DBus", (MethodCall) m, sig, rv), true);
}
} catch (InvocationTargetException ITe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, ITe);
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, ITe.getCause());
send(c, new org.freedesktop.dbus.Error("org.freedesktop.DBus", m, ITe.getCause()));
} catch (DBusExecutionException DBEe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBEe);
send(c, new org.freedesktop.dbus.Error("org.freedesktop.DBus", m, DBEe));
} catch (Exception e) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, e);
send(c,new org.freedesktop.dbus.Error("org.freedesktop.DBus", c.unique, "org.freedesktop.DBus.Error.GeneralError", m.getSerial(), "s", _("An error occurred while calling ")+m.getName()));
}
} catch (NoSuchMethodException NSMe) {
send(c,new org.freedesktop.dbus.Error("org.freedesktop.DBus", c.unique, "org.freedesktop.DBus.Error.UnknownMethod", m.getSerial(), "s", _("This service does not support ")+m.getName()));
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
public String Introspect()
{
return "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n"+
"\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n"+
"<node>\n"+
" <interface name=\"org.freedesktop.DBus.Introspectable\">\n"+
" <method name=\"Introspect\">\n"+
" <arg name=\"data\" direction=\"out\" type=\"s\"/>\n"+
" </method>\n"+
" </interface>\n"+
" <interface name=\"org.freedesktop.DBus\">\n"+
" <method name=\"RequestName\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"in\" type=\"u\"/>\n"+
" <arg direction=\"out\" type=\"u\"/>\n"+
" </method>\n"+
" <method name=\"ReleaseName\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"out\" type=\"u\"/>\n"+
" </method>\n"+
" <method name=\"StartServiceByName\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"in\" type=\"u\"/>\n"+
" <arg direction=\"out\" type=\"u\"/>\n"+
" </method>\n"+
" <method name=\"Hello\">\n"+
" <arg direction=\"out\" type=\"s\"/>\n"+
" </method>\n"+
" <method name=\"NameHasOwner\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"out\" type=\"b\"/>\n"+
" </method>\n"+
" <method name=\"ListNames\">\n"+
" <arg direction=\"out\" type=\"as\"/>\n"+
" </method>\n"+
" <method name=\"ListActivatableNames\">\n"+
" <arg direction=\"out\" type=\"as\"/>\n"+
" </method>\n"+
" <method name=\"AddMatch\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" </method>\n"+
" <method name=\"RemoveMatch\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" </method>\n"+
" <method name=\"GetNameOwner\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"out\" type=\"s\"/>\n"+
" </method>\n"+
" <method name=\"ListQueuedOwners\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"out\" type=\"as\"/>\n"+
" </method>\n"+
" <method name=\"GetConnectionUnixUser\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"out\" type=\"u\"/>\n"+
" </method>\n"+
" <method name=\"GetConnectionUnixProcessID\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"out\" type=\"u\"/>\n"+
" </method>\n"+
" <method name=\"GetConnectionSELinuxSecurityContext\">\n"+
" <arg direction=\"in\" type=\"s\"/>\n"+
" <arg direction=\"out\" type=\"ay\"/>\n"+
" </method>\n"+
" <method name=\"ReloadConfig\">\n"+
" </method>\n"+
" <signal name=\"NameOwnerChanged\">\n"+
" <arg type=\"s\"/>\n"+
" <arg type=\"s\"/>\n"+
" <arg type=\"s\"/>\n"+
" </signal>\n"+
" <signal name=\"NameLost\">\n"+
" <arg type=\"s\"/>\n"+
" </signal>\n"+
" <signal name=\"NameAcquired\">\n"+
" <arg type=\"s\"/>\n"+
" </signal>\n"+
" </interface>\n"+
"</node>";
}
public void Ping() {}
public void run()
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
while (_run) {
Message m;
List<WeakReference<Connstruct>> wcs;
// block on outqueue
synchronized (localqueue) {
while (localqueue.size() == 0) try {
localqueue.wait();
} catch (InterruptedException Ie) { }
m = localqueue.head();
wcs = localqueue.remove(m);
}
if (null != wcs) try {
for (WeakReference<Connstruct> wc: wcs) {
Connstruct c = wc.get();
if (null != c) {
if (Debug.debug) Debug.print(Debug.VERBOSE, "<localqueue> Got message "+m+" from "+c);
handleMessage(c, m);
}
}
} catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
}
else if (Debug.debug) Debug.print(Debug.INFO, "Discarding "+m+" connection reaped");
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
}
public class Sender extends Thread
{
public Sender()
{
setName("Sender");
}
public void run()
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
while (_run) {
if (Debug.debug) Debug.print(Debug.VERBOSE, "Acquiring lock on outqueue and blocking for data");
Message m = null;
List<WeakReference<Connstruct>> wcs = null;
// block on outqueue
synchronized (outqueue) {
while (outqueue.size() == 0) try {
outqueue.wait();
} catch (InterruptedException Ie) { }
m = outqueue.head();
wcs = outqueue.remove(m);
}
if (null != wcs) {
for (WeakReference<Connstruct> wc: wcs) {
Connstruct c = wc.get();
if (null != c) {
if (Debug.debug) Debug.print(Debug.VERBOSE, "<outqueue> Got message "+m+" for "+c.unique);
if (Debug.debug) Debug.print(Debug.INFO, "Sending message "+m+" to "+c.unique);
try {
c.mout.writeMessage(m);
}
catch (IOException IOe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, IOe);
removeConnection(c);
}
}
}
}
else if (Debug.debug) Debug.print(Debug.INFO, "Discarding "+m+" connection reaped");
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
}
public class Reader extends Thread
{
private Connstruct conn;
private WeakReference<Connstruct> weakconn;
private boolean _lrun = true;
public Reader(Connstruct conn)
{
this.conn = conn;
weakconn = new WeakReference<Connstruct>(conn);
setName("Reader");
}
public void stopRunning()
{
_lrun = false;
}
public void run()
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
while (_run && _lrun) {
Message m = null;
try {
m = conn.min.readMessage();
} catch (IOException IOe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, IOe);
removeConnection(conn);
} catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
if (DBe instanceof FatalException)
removeConnection(conn);
}
if (null != m) {
if (Debug.debug) Debug.print(Debug.INFO, "Read "+m+" from "+conn.unique);
synchronized (inqueue) {
inqueue.putLast(m, weakconn);
inqueue.notifyAll();
}
}
}
conn = null;
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
}
private Map<Connstruct, Reader> conns = new HashMap<Connstruct, Reader>();
private HashMap<String, Connstruct> names = new HashMap<String, Connstruct>();
private MagicMap<Message, WeakReference<Connstruct>> outqueue = new MagicMap<Message, WeakReference<Connstruct>>("out");
private MagicMap<Message, WeakReference<Connstruct>> inqueue = new MagicMap<Message, WeakReference<Connstruct>>("in");
private MagicMap<Message, WeakReference<Connstruct>> localqueue = new MagicMap<Message, WeakReference<Connstruct>>("local");
private List<Connstruct> sigrecips = new Vector<Connstruct>();
private boolean _run = true;
private int next_unique = 0;
private Object unique_lock = new Object();
DBusServer dbus_server = new DBusServer();
Sender sender = new Sender();
public DBusDaemon()
{
setName("Daemon");
synchronized (names) {
names.put("org.freedesktop.DBus", null);
}
}
@SuppressWarnings("unchecked")
private void send(Connstruct c, Message m)
{
send (c, m, false);
}
private void send(Connstruct c, Message m, boolean head)
{
if (Debug.debug){
Debug.print(Debug.DEBUG, "enter");
if (null == c)
Debug.print(Debug.VERBOSE, "Queing message "+m+" for all connections");
else
Debug.print(Debug.VERBOSE, "Queing message "+m+" for "+c.unique);
}
// send to all connections
if (null == c) {
synchronized (conns) {
synchronized (outqueue) {
for (Connstruct d: conns.keySet())
if (head)
outqueue.putFirst(m, new WeakReference<Connstruct>(d));
else
outqueue.putLast(m, new WeakReference<Connstruct>(d));
outqueue.notifyAll();
}
}
} else {
synchronized (outqueue) {
if (head)
outqueue.putFirst(m, new WeakReference<Connstruct>(c));
else
outqueue.putLast(m, new WeakReference<Connstruct>(c));
outqueue.notifyAll();
}
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
@SuppressWarnings("unchecked")
private List<Connstruct> findSignalMatches(DBusSignal sig)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
List<Connstruct> l;
synchronized (sigrecips) {
l = new Vector<Connstruct>(sigrecips);
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
return l;
}
@SuppressWarnings("unchecked")
public void run()
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
while (_run) {
try {
Message m;
List<WeakReference<Connstruct>> wcs;
synchronized (inqueue) {
while (0 == inqueue.size()) try {
inqueue.wait();
} catch (InterruptedException Ie) {}
m = inqueue.head();
wcs = inqueue.remove(m);
}
if (null != wcs) {
for (WeakReference<Connstruct> wc: wcs) {
Connstruct c = wc.get();
if (null != c) {
if (Debug.debug) Debug.print(Debug.INFO, "<inqueue> Got message "+m+" from "+c.unique);
// check if they have hello'd
if (null == c.unique
&& (!(m instanceof MethodCall)
|| !"org.freedesktop.DBus".equals(m.getDestination())
|| !"Hello".equals(m.getName()))) {
send(c,new Error("org.freedesktop.DBus", null, "org.freedesktop.DBus.Error.AccessDenied", m.getSerial(), "s", _("You must send a Hello message")));
} else {
try {
if (null != c.unique) m.setSource(c.unique);
} catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
send(c,new Error("org.freedesktop.DBus", null, "org.freedesktop.DBus.Error.GeneralError", m.getSerial(), "s", _("Sending message failed")));
}
if ("org.freedesktop.DBus".equals(m.getDestination())) {
synchronized (localqueue) {
localqueue.putLast(m, wc);
localqueue.notifyAll();
}
} else {
if (m instanceof DBusSignal) {
List<Connstruct> list = findSignalMatches((DBusSignal) m);
for (Connstruct d: list)
send(d, m);
} else {
Connstruct dest = names.get(m.getDestination());
if (null == dest) {
send(c, new Error("org.freedesktop.DBus", null, "org.freedesktop.DBus.Error.ServiceUnknown", m.getSerial(), "s", MessageFormat.format(_("The name `{0}' does not exist"), new Object[] { m.getDestination() })));
} else
send(dest, m);
}
}
}
}
}
}
}
catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
}
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
private void removeConnection(Connstruct c)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
boolean exists;
synchronized(conns) {
if ((exists = conns.containsKey(c))) {
Reader r = conns.get(c);
r.stopRunning();
conns.remove(c);
}
}
if (exists) {
try {
if (null != c.usock) c.usock.close();
if (null != c.tsock) c.tsock.close();
} catch (IOException IOe) {}
synchronized(names) {
List<String> toRemove = new Vector<String>();
for (String name: names.keySet())
if (names.get(name) == c) {
toRemove.add(name);
try {
send(null, new DBusSignal("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameOwnerChanged", "sss", name, c.unique, ""));
} catch (DBusException DBe) {
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.ERR, DBe);
}
}
for (String name: toRemove)
names.remove(name);
}
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
public void addSock(UnixSocket us)
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.WARN, "New Client");
Connstruct c = new Connstruct(us);
Reader r = new Reader(c);
synchronized (conns) {
conns.put(c, r);
}
r.start();
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
public void addSock(Socket s) throws IOException
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
if (Debug.debug) Debug.print(Debug.WARN, "New Client");
Connstruct c = new Connstruct(s);
Reader r = new Reader(c);
synchronized (conns) {
conns.put(c, r);
}
r.start();
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
public static void syntax()
{
System.out.println("Syntax: DBusDaemon [--version] [-v] [--help] [-h] [--listen address] [-l address] [--print-address] [-r] [--pidfile file] [-p file] [--addressfile file] [-a file] [--unix] [-u] [--tcp] [-t] ");
System.exit(1);
}
public static void version()
{
System.out.println("D-Bus Java Version: "+System.getProperty("Version"));
System.exit(1);
}
public static void saveFile(String data, String file) throws IOException
{
PrintWriter w = new PrintWriter(new FileOutputStream(file));
w.println(data);
w.close();
}
public static void main(String args[]) throws Exception
{
if (Debug.debug && AbstractConnection.EXCEPTION_DEBUG) Debug.print(Debug.DEBUG, "enter");
else if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
String addr = null;
String pidfile = null;
String addrfile = null;
boolean printaddress = false;
boolean unix = true;
boolean tcp = false;
// parse options
try {
for (int i=0; i < args.length; i++)
if ("--help".equals(args[i]) || "-h".equals(args[i]))
syntax();
else if ("--version".equals(args[i]) || "-v".equals(args[i]))
version();
else if ("--listen".equals(args[i]) || "-l".equals(args[i]))
addr = args[++i];
else if ("--pidfile".equals(args[i]) || "-p".equals(args[i]))
pidfile = args[++i];
else if ("--addressfile".equals(args[i]) || "-a".equals(args[i]))
addrfile = args[++i];
else if ("--print-address".equals(args[i]) || "-r".equals(args[i]))
printaddress = true;
else if ("--unix".equals(args[i]) || "-u".equals(args[i])) {
unix = true;
tcp = false;
} else if ("--tcp".equals(args[i]) || "-t".equals(args[i])) {
tcp = true;
unix = false;
} else syntax();
} catch (ArrayIndexOutOfBoundsException AIOOBe) {
syntax();
}
// generate a random address if none specified
if (null == addr && unix) addr = DirectConnection.createDynamicSession();
else if (null == addr && tcp) addr = DirectConnection.createDynamicTCPSession();
BusAddress address = new BusAddress(addr);
if (null == address.getParameter("guid")) {
addr += ",guid="+Transport.genGUID();
address = new BusAddress(addr);
}
// print address to stdout
if (printaddress) System.out.println(addr);
// print address to file
if (null != addrfile) saveFile(addr, addrfile);
// print PID to file
if (null != pidfile) saveFile(System.getProperty("Pid"), pidfile);
// start the daemon
if (Debug.debug) Debug.print(Debug.WARN, "Binding to "+addr);
if ("unix".equals(address.getType()))
doUnix(address);
else if ("tcp".equals(address.getType()))
doTCP(address);
else throw new Exception("Unknown address type: "+address.getType());
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
private static void doUnix(BusAddress address) throws IOException
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
UnixServerSocket uss;
if (null != address. getParameter("abstract"))
uss = new UnixServerSocket(new UnixSocketAddress(address.getParameter("abstract"), true));
else
uss = new UnixServerSocket(new UnixSocketAddress(address.getParameter("path"), false));
DBusDaemon d = new DBusDaemon();
d.start();
d.sender.start();
d.dbus_server.start();
// accept new connections
while (d._run) {
UnixSocket s = uss.accept();
if ((new Transport.SASL()).auth(Transport.SASL.MODE_SERVER, Transport.SASL.AUTH_EXTERNAL, address.getParameter("guid"), s.getOutputStream(), s.getInputStream(), s)) {
// s.setBlocking(false);
d.addSock(s);
} else
s.close();
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
private static void doTCP(BusAddress address) throws IOException
{
if (Debug.debug) Debug.print(Debug.DEBUG, "enter");
ServerSocket ss = new ServerSocket(Integer.parseInt(address.getParameter("port")),10, InetAddress.getByName(address.getParameter("host")));
DBusDaemon d = new DBusDaemon();
d.start();
d.sender.start();
d.dbus_server.start();
// accept new connections
while (d._run) {
Socket s = ss.accept();
boolean authOK=false;
try {
authOK = (new Transport.SASL()).auth(Transport.SASL.MODE_SERVER, Transport.SASL.AUTH_EXTERNAL, address.getParameter("guid"), s.getOutputStream(), s.getInputStream(), null);
} catch (Exception e) {
if (Debug.debug) Debug. print(Debug.DEBUG, e);
}
if (authOK) {
d.addSock(s);
} else
s.close();
}
if (Debug.debug) Debug.print(Debug.DEBUG, "exit");
}
}
|