From 39e9eb74c011ee5351ac1796e5df529a70aa8945 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Mon, 26 May 2008 23:08:31 +0000
Subject: new option: "sim.message.prob.mean" new brainstorm.

---
 sources/core/VSProcess.java              | 6 ++++--
 sources/prefs/VSDefaultPrefs.java        | 5 +++--
 sources/simulator/VSSimulatorCanvas.java | 8 +++++++-
 3 files changed, 14 insertions(+), 5 deletions(-)

(limited to 'sources')

diff --git a/sources/core/VSProcess.java b/sources/core/VSProcess.java
index 03b980f..1a7f319 100644
--- a/sources/core/VSProcess.java
+++ b/sources/core/VSProcess.java
@@ -584,9 +584,11 @@ public class VSProcess extends VSPrefs {
      *
      * @return the a random message outage time
      */
-    public synchronized long getARandomMessageOutageTime(final long durationTime) {
+    public synchronized long getARandomMessageOutageTime(final long durationTime, VSProcess receiverProcess) {
+		int percentage = (int) ((getInteger("message.prob.outage") + 
+				receiverProcess.getInteger("message.prob.outage")) / 2);
         /* Check if the message will have an outage or not */
-        if (random.nextInt(100) < getInteger("message.prob.outage")) {
+        if (getRandomPercentage() <= percentage) {
             /* Calculate the random outage time! */
             final long outageTime = globalTime + random.nextLong(durationTime+1) % simulationCanvas.getUntilTime();
             return outageTime;
diff --git a/sources/prefs/VSDefaultPrefs.java b/sources/prefs/VSDefaultPrefs.java
index 1a25409..0de1680 100644
--- a/sources/prefs/VSDefaultPrefs.java
+++ b/sources/prefs/VSDefaultPrefs.java
@@ -193,7 +193,7 @@ public class VSDefaultPrefs extends VSPrefs {
     public void fillDefaultFloats() {
         /* Simulation prefs */
         initFloat("process.clock.variance", 0, "Uhrabweichung");
-        initFloat("sim.clock.speed", 0.5f, "Simulationsgeschwindigkeit");
+        initFloat("sim.clock.speed", 0.5f, "Abspielgeschwindigkeit der Simulation");
     }
 
     /**
@@ -230,6 +230,7 @@ public class VSDefaultPrefs extends VSPrefs {
     public void fillDefaultBooleans() {
         //initBoolean("message.broadcast", false, "Nachrichten sind immer Broadcasts");
         initBoolean("sim.mode.expert", false, "Expertenmodus aktivieren");
-        initBoolean("sim.message.own.recv", false, "Eigene Nachrichten empfangen");
+        initBoolean("sim.message.own.recv", false, "Prozesse empfangen eig. Nachrichten");
+        initBoolean("sim.message.prob.mean", true, "Mittelwerte der Nachrichtausfallw'k. bilden");
     }
 }
diff --git a/sources/simulator/VSSimulatorCanvas.java b/sources/simulator/VSSimulatorCanvas.java
index f4e2044..33a5f18 100644
--- a/sources/simulator/VSSimulatorCanvas.java
+++ b/sources/simulator/VSSimulatorCanvas.java
@@ -1051,7 +1051,13 @@ public class VSSimulatorCanvas extends Canvas implements Runnable, MouseMotionLi
                 } else {
                     durationTime = sendingProcess.getDurationTime();
                     deliverTime = sendingProcess.getGlobalTime() + durationTime;
-                    outageTime = sendingProcess.getARandomMessageOutageTime(durationTime);
+
+					if (prefs.getBoolean("sim.message.prob.mean")) 
+                    	outageTime = sendingProcess.getARandomMessageOutageTime(
+								durationTime, receiverProcess);
+					else
+                    	outageTime = sendingProcess.getARandomMessageOutageTime(
+								durationTime, null);
 
                     /* Only add a 'receiving message' task if the message will not get lost! */
                     if (outageTime == -1) {
-- 
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