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authorMatthew Johnson <mjj29@qadesh.matthew.ath.cx>2009-11-01 12:45:35 +0000
committerMatthew Johnson <mjj29@qadesh.matthew.ath.cx>2009-11-01 12:45:35 +0000
commitd49879de16c25757e4d6be0a5338f062c069bedb (patch)
tree36c4c3aa8d5bd28703b5deb63cde3fa37aaf24e7
parent53e9b6f78197c0d9041d4429b1c5e6ec1b90386f (diff)
read bus address from /home/mjj29
-rw-r--r--changelog1
-rw-r--r--debug.conf2
-rw-r--r--org/freedesktop/dbus/DBusConnection.java33
3 files changed, 34 insertions, 2 deletions
diff --git a/changelog b/changelog
index c169e5f..6f8ee5b 100644
--- a/changelog
+++ b/changelog
@@ -10,6 +10,7 @@ Version 2.6.1:
<Markus -dot- Gaebelein -at- fiducia -dot- de>)
* Make MessageReader/Writer use Buffered streams to try and improve
performance
+ * Support reading session bus address from file in $HOME
Version 2.6:
diff --git a/debug.conf b/debug.conf
index 8320da8..8244833 100644
--- a/debug.conf
+++ b/debug.conf
@@ -8,7 +8,7 @@ org.freedesktop.dbus.AbstractConnection$FallbackContainer = ERR
org.freedesktop.dbus.AbstractConnection$_thread = ERR
org.freedesktop.dbus.AbstractConnection$_sender = ERR
org.freedesktop.dbus.DirectConnection = ERR
-org.freedesktop.dbus.DBusConnection = ERR
+org.freedesktop.dbus.DBusConnection = VERBOSE
org.freedesktop.dbus.DBusConnection$PeerSet = ERR
org.freedesktop.dbus.AbstractConnection$1 = ERR
org.freedesktop.dbus.DBusSignal = ERR
diff --git a/org/freedesktop/dbus/DBusConnection.java b/org/freedesktop/dbus/DBusConnection.java
index e2b6d7d..6262bf5 100644
--- a/org/freedesktop/dbus/DBusConnection.java
+++ b/org/freedesktop/dbus/DBusConnection.java
@@ -14,6 +14,9 @@ import static org.freedesktop.dbus.Gettext._;
import java.lang.reflect.Proxy;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
import java.io.IOException;
import java.text.MessageFormat;
@@ -235,7 +238,35 @@ public class DBusConnection extends AbstractConnection
break;
case SESSION:
s = System.getenv("DBUS_SESSION_BUS_ADDRESS");
- if (null == s) throw new DBusException(_("Cannot Resolve Session Bus Address"));
+ if (null == s) {
+ // address gets stashed in $HOME/.dbus/session-bus/`dbus-uuidgen --get`-`sed 's/:\(.\)\..*/\1/' <<< $DISPLAY`
+ String display = System.getenv("DISPLAY");
+ if (null == display) throw new DBusException(_("Cannot Resolve Session Bus Address"));
+ File uuidfile = new File("/var/lib/dbus/machine-id");
+ if (!uuidfile.exists()) throw new DBusException(_("Cannot Resolve Session Bus Address"));
+ try {
+ BufferedReader r = new BufferedReader(new FileReader(uuidfile));
+ String uuid = r.readLine();
+ String homedir = System.getProperty("user.home");
+ File addressfile = new File(homedir + "/.dbus/session-bus",
+ uuid + "-" + display.replaceAll(":([0-9]*)\\..*", "$1"));
+ if (!addressfile.exists()) throw new DBusException(_("Cannot Resolve Session Bus Address"));
+ r = new BufferedReader(new FileReader(addressfile));
+ String l;
+ while (null != (l = r.readLine())) {
+ if (Debug.debug) Debug.print(Debug.VERBOSE, "Reading D-Bus session data: "+l);
+ if (l.matches("DBUS_SESSION_BUS_ADDRESS.*")) {
+ s = l.replaceAll("^[^=]*=", "");
+ if (Debug.debug) Debug.print(Debug.VERBOSE, "Parsing "+l+" to "+s);
+ }
+ }
+ if (null == s || "".equals(s)) throw new DBusException(_("Cannot Resolve Session Bus Address"));
+ if (Debug.debug) Debug.print(Debug.INFO, "Read bus address "+s+" from file "+addressfile.toString());
+ } catch (Exception e) {
+ if (EXCEPTION_DEBUG && Debug.debug) Debug.print(Debug.ERR, e);
+ throw new DBusException(_("Cannot Resolve Session Bus Address"));
+ }
+ }
break;
default:
throw new DBusException(_("Invalid Bus Type: ")+bustype);