From 921df5cbc44c00abe85f04093afe7692e73d490a Mon Sep 17 00:00:00 2001
From: Irfan Sheriff <isheriff@google.com>
Date: Mon, 26 Sep 2011 16:30:15 -0700
Subject: Switch to cfg based signal_poll command

Bug: 5352916
Change-Id: Id2ba7091a5e4cc4c1e14aa2c49e5b943519019bf
---
 wifi/java/android/net/wifi/WifiNative.java       | 16 +++++++++------
 wifi/java/android/net/wifi/WifiStateMachine.java | 25 ++++++++++++++++++++++--
 2 files changed, 33 insertions(+), 8 deletions(-)

(limited to 'wifi')

diff --git a/wifi/java/android/net/wifi/WifiNative.java b/wifi/java/android/net/wifi/WifiNative.java
index a6ea6d4..6ff1bc2 100644
--- a/wifi/java/android/net/wifi/WifiNative.java
+++ b/wifi/java/android/net/wifi/WifiNative.java
@@ -106,12 +106,6 @@ public class WifiNative {
 
     public native static String statusCommand();
 
-    public native static int getRssiCommand();
-
-    public native static int getRssiApproxCommand();
-
-    public native static int getLinkSpeedCommand();
-
     public native static String getMacAddressCommand();
 
     public native static String scanResultsCommand();
@@ -209,6 +203,16 @@ public class WifiNative {
 
     private native static String doStringCommand(String command);
 
+    /** Example output:
+     * RSSI=-65
+     * LINKSPEED=48
+     * NOISE=9999
+     * FREQUENCY=0
+     */
+    public static String signalPoll() {
+        return doStringCommand("SIGNAL_POLL");
+    }
+
     public static boolean wpsPbc() {
         return doBooleanCommand("WPS_PBC");
     }
diff --git a/wifi/java/android/net/wifi/WifiStateMachine.java b/wifi/java/android/net/wifi/WifiStateMachine.java
index 052d332..41fc55d 100644
--- a/wifi/java/android/net/wifi/WifiStateMachine.java
+++ b/wifi/java/android/net/wifi/WifiStateMachine.java
@@ -1362,7 +1362,28 @@ public class WifiStateMachine extends StateMachine {
      * Fetch RSSI and linkspeed on current connection
      */
     private void fetchRssiAndLinkSpeedNative() {
-        int newRssi = WifiNative.getRssiCommand();
+        int newRssi = -1;
+        int newLinkSpeed = -1;
+
+        String signalPoll = WifiNative.signalPoll();
+
+        if (signalPoll != null) {
+            String[] lines = signalPoll.split("\n");
+            for (String line : lines) {
+                String[] prop = line.split("=");
+                if (prop.length < 2) continue;
+                try {
+                    if (prop[0].equals("RSSI")) {
+                        newRssi = Integer.parseInt(prop[1]);
+                    } else if (prop[0].equals("LINKSPEED")) {
+                        newLinkSpeed = Integer.parseInt(prop[1]);
+                    }
+                } catch (NumberFormatException e) {
+                    //Ignore, defaults on rssi and linkspeed are assigned
+                }
+            }
+        }
+
         if (newRssi != -1 && MIN_RSSI < newRssi && newRssi < MAX_RSSI) { // screen out invalid values
             /* some implementations avoid negative values by adding 256
              * so we need to adjust for that here.
@@ -1390,7 +1411,7 @@ public class WifiStateMachine extends StateMachine {
         } else {
             mWifiInfo.setRssi(MIN_RSSI);
         }
-        int newLinkSpeed = WifiNative.getLinkSpeedCommand();
+
         if (newLinkSpeed != -1) {
             mWifiInfo.setLinkSpeed(newLinkSpeed);
         }
-- 
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