DivestOS/Patches/LineageOS-20.0/android_frameworks_base/0030-agnss.goog_override.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Fri, 20 Jan 2023 21:45:50 -0500
Subject: [PATCH] Replace agnss.goog with the Broadcom PSDS server
This is heavily based off of the GrapheneOS patch for their server handling:
https://github.com/GrapheneOS/platform_frameworks_base/commit/f29bedd2aad471b27d1eb6ec3b49e9751d8e0c5a
Change-Id: Idd867bcd55d65d4aae7f9744de4807db46cf4374
Signed-off-by: Tad <tad@spotco.us>
---
.../location/gnss/GnssPsdsDownloader.java | 45 ++++++++++++++-----
1 file changed, 35 insertions(+), 10 deletions(-)
diff --git a/services/core/java/com/android/server/location/gnss/GnssPsdsDownloader.java b/services/core/java/com/android/server/location/gnss/GnssPsdsDownloader.java
index 243910dd9541..f111d5190340 100644
--- a/services/core/java/com/android/server/location/gnss/GnssPsdsDownloader.java
+++ b/services/core/java/com/android/server/location/gnss/GnssPsdsDownloader.java
@@ -18,6 +18,7 @@ package com.android.server.location.gnss;
import android.annotation.Nullable;
import android.net.TrafficStats;
+import android.os.Build;
import android.util.Log;
import com.android.internal.util.TrafficStatsConstants;
@@ -53,20 +54,39 @@ class GnssPsdsDownloader {
private static final int REALTIME_PSDS_SERVER_INDEX = 3;
private static final int MAX_PSDS_TYPE_INDEX = 3;
+ // Broadcom GNSS almanac server URLs
+ private static final String BROADCOM_LONGTERM_PSDS_SERVER_1 = "https://gllto.glpals.com/7day/v5/latest/lto2.dat";
+ private static final String BROADCOM_LONGTERM_PSDS_SERVER_2 = null;
+ private static final String BROADCOM_LONGTERM_PSDS_SERVER_3 = null;
+ private static final String BROADCOM_NORMAL_PSDS_SERVER = "https://gllto.glpals.com/rto/v1/latest/rto.dat";
+ private static final String BROADCOM_REALTIME_PSDS_SERVER = "https://gllto.glpals.com/rtistatus4.dat";
+
private final String[] mLongTermPsdsServers;
private final String[] mPsdsServers;
// to load balance our server requests
private int mNextServerIndex;
+ private static boolean shouldUseBroadcomServer() {
+ boolean supportedDevice = Build.DEVICE.equals("cheetah") || Build.DEVICE.equals("panther") || Build.DEVICE.equals("raven") || Build.DEVICE.equals("oriole") || Build.DEVICE.equals("bluejay") || Build.DEVICE.equals("lynx") || Build.DEVICE.equals("tangorpro") || Build.DEVICE.equals("felix");
+ return supportedDevice;
+ }
+
GnssPsdsDownloader(Properties properties) {
// read PSDS servers from the Properties object
int count = 0;
- String longTermPsdsServer1 = properties.getProperty(
- GnssConfiguration.CONFIG_LONGTERM_PSDS_SERVER_1);
- String longTermPsdsServer2 = properties.getProperty(
- GnssConfiguration.CONFIG_LONGTERM_PSDS_SERVER_2);
- String longTermPsdsServer3 = properties.getProperty(
- GnssConfiguration.CONFIG_LONGTERM_PSDS_SERVER_3);
+ String longTermPsdsServer1;
+ String longTermPsdsServer2;
+ String longTermPsdsServer3;
+
+ if (shouldUseBroadcomServer()) {
+ longTermPsdsServer1 = BROADCOM_LONGTERM_PSDS_SERVER_1;
+ longTermPsdsServer2 = BROADCOM_LONGTERM_PSDS_SERVER_2;
+ longTermPsdsServer3 = BROADCOM_LONGTERM_PSDS_SERVER_3;
+ } else {
+ longTermPsdsServer1 = properties.getProperty(GnssConfiguration.CONFIG_LONGTERM_PSDS_SERVER_1);
+ longTermPsdsServer2 = properties.getProperty(GnssConfiguration.CONFIG_LONGTERM_PSDS_SERVER_2);
+ longTermPsdsServer3 = properties.getProperty(GnssConfiguration.CONFIG_LONGTERM_PSDS_SERVER_3);
+ }
if (longTermPsdsServer1 != null) count++;
if (longTermPsdsServer2 != null) count++;
if (longTermPsdsServer3 != null) count++;
@@ -86,10 +106,15 @@ class GnssPsdsDownloader {
mNextServerIndex = random.nextInt(count);
}
- String normalPsdsServer = properties.getProperty(
- GnssConfiguration.CONFIG_NORMAL_PSDS_SERVER);
- String realtimePsdsServer = properties.getProperty(
- GnssConfiguration.CONFIG_REALTIME_PSDS_SERVER);
+ String normalPsdsServer;
+ String realtimePsdsServer;
+ if (shouldUseBroadcomServer()) {
+ normalPsdsServer = BROADCOM_NORMAL_PSDS_SERVER;
+ realtimePsdsServer = BROADCOM_REALTIME_PSDS_SERVER;
+ } else {
+ normalPsdsServer = properties.getProperty(GnssConfiguration.CONFIG_NORMAL_PSDS_SERVER);
+ realtimePsdsServer = properties.getProperty(GnssConfiguration.CONFIG_REALTIME_PSDS_SERVER);
+ }
mPsdsServers = new String[MAX_PSDS_TYPE_INDEX + 1];
mPsdsServers[NORMAL_PSDS_SERVER_INDEX] = normalPsdsServer;
mPsdsServers[REALTIME_PSDS_SERVER_INDEX] = realtimePsdsServer;