WifiLogger.java revision 674602ce4a5e0c6df7e67230310ad842deb532e9
1a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle/* 2a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * Copyright (C) 2010 The Android Open Source Project 3a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * 4a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * Licensed under the Apache License, Version 2.0 (the "License"); 5a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * you may not use this file except in compliance with the License. 6a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * You may obtain a copy of the License at 7a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * 8a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * http://www.apache.org/licenses/LICENSE-2.0 9a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * 10a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * Unless required by applicable law or agreed to in writing, software 11a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * distributed under the License is distributed on an "AS IS" BASIS, 12a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * See the License for the specific language governing permissions and 14a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle * limitations under the License. 15a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle */ 16a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 17a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwallepackage com.android.server.wifi; 18a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 19674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastavaimport com.android.internal.app.IBatteryStats; 20674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastavaimport com.android.internal.util.Protocol; 21674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava 220bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpandeimport android.support.v4.util.CircularArray; 230bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpandeimport android.util.Base64; 24674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastavaimport android.util.LocalLog; 25a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalleimport android.util.Log; 26a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 270bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpandeimport java.io.ByteArrayOutputStream; 28a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalleimport java.io.FileDescriptor; 290bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpandeimport java.io.IOException; 30a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalleimport java.io.PrintWriter; 310bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpandeimport java.util.Calendar; 320bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpandeimport java.util.HashMap; 330bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpandeimport java.util.zip.Deflater; 34a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 35a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle/** 360bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande * Tracks various logs for framework 37a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle */ 3803ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinheclass WifiLogger { 39a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 40a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle private static final String TAG = "WifiLogger"; 416414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande private static final boolean DBG = false; 420bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 430bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** log level flags; keep these consistent with wifi_logger.h */ 440bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 450bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** No logs whatsoever */ 460bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int VERBOSE_NO_LOG = 0; 470bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** No logs whatsoever */ 480bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int VERBOSE_NORMAL_LOG = 1; 490bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** Be careful since this one can affect performance and power */ 500bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int VERBOSE_LOG_WITH_WAKEUP = 2; 510bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** Be careful since this one can affect performance and power and memory */ 520bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int VERBOSE_DETAILED_LOG_WITH_WAKEUP = 3; 530bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 540bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** ring buffer flags; keep these consistent with wifi_logger.h */ 550bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int RING_BUFFER_FLAG_HAS_BINARY_ENTRIES = 0x00000001; 560bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int RING_BUFFER_FLAG_HAS_ASCII_ENTRIES = 0x00000002; 570bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int RING_BUFFER_FLAG_HAS_PER_PACKET_ENTRIES = 0x00000004; 580bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 590bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** various reason codes */ 600bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int REPORT_REASON_NONE = 0; 610bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int REPORT_REASON_ASSOC_FAILURE = 1; 620bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int REPORT_REASON_AUTH_FAILURE = 2; 630bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int REPORT_REASON_AUTOROAM_FAILURE = 3; 640bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int REPORT_REASON_DHCP_FAILURE = 4; 650bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int REPORT_REASON_UNEXPECTED_DISCONNECT = 5; 660bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int REPORT_REASON_SCAN_FAILURE = 6; 679a41261e4f688411a7038781ca959b2007965f06Vinit Deshpande public static final int REPORT_REASON_USER_ACTION = 7; 680bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 69674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava /** number of ring buffer entries to cache */ 70674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava public static final int MAX_RING_BUFFERS = 10; 710bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 720bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** number of bug reports to hold */ 730bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int MAX_BUG_REPORTS = 4; 740bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 750bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** number of alerts to hold */ 760bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public static final int MAX_ALERT_REPORTS = 1; 770bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 780bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** minimum wakeup interval for each of the log levels */ 790bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private static final int MinWakeupIntervals[] = new int[] { 0, 3600, 60, 10 }; 800bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /** minimum buffer size for each of the log levels */ 810bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private static final int MinBufferSizes[] = new int[] { 0, 16384, 16384, 65536 }; 820bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 830bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private int mLogLevel = VERBOSE_NO_LOG; 840bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private String mFirmwareVersion; 850bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private String mDriverVersion; 860bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private int mSupportedFeatureSet; 870bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private WifiNative.RingBufferStatus[] mRingBuffers; 880bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private WifiNative.RingBufferStatus mPerPacketRingBuffer; 89f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande private WifiStateMachine mWifiStateMachine; 90a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 91f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande public WifiLogger(WifiStateMachine wifiStateMachine) { 92f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande mWifiStateMachine = wifiStateMachine; 93f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande } 9403ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 950bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public synchronized void startLogging(boolean verboseEnabled) { 96a1276378c5a215774193e745568d6dec0d19a722Vinit Deshpande mFirmwareVersion = WifiNative.getFirmwareVersion(); 97a1276378c5a215774193e745568d6dec0d19a722Vinit Deshpande mDriverVersion = WifiNative.getDriverVersion(); 98a1276378c5a215774193e745568d6dec0d19a722Vinit Deshpande mSupportedFeatureSet = WifiNative.getSupportedLoggerFeatureSet(); 99a1276378c5a215774193e745568d6dec0d19a722Vinit Deshpande 1006414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande if (mLogLevel == VERBOSE_NO_LOG) 1016414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande WifiNative.setLoggingEventHandler(mHandler); 102a1276378c5a215774193e745568d6dec0d19a722Vinit Deshpande 1030bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (verboseEnabled) { 1040bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mLogLevel = VERBOSE_LOG_WITH_WAKEUP; 1050bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } else { 1060bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mLogLevel = VERBOSE_NORMAL_LOG; 1070bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1080bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mRingBuffers == null) { 1090bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (fetchRingBuffers()) { 1100bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande startLoggingAllExceptPerPacketBuffers(); 1110bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 11203ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 11303ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 11403ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 1150bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public synchronized void startPacketLog() { 1160bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mPerPacketRingBuffer != null) { 1170bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande startLoggingRingBuffer(mPerPacketRingBuffer); 118a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } else { 1190bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) Log.d(TAG, "There is no per packet ring buffer"); 120a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 121a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 122a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 1230bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public synchronized void stopPacketLog() { 1240bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mPerPacketRingBuffer != null) { 1250bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande stopLoggingRingBuffer(mPerPacketRingBuffer); 1260bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } else { 1270bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) Log.d(TAG, "There is no per packet ring buffer"); 1280bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1290bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1300bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1310bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public synchronized void stopLogging() { 132ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande if (mLogLevel != VERBOSE_NO_LOG) { 133b797893fc1966803d0c013faac42e6396a37a384xinhe //resetLogHandler only can be used when you terminate all logging since all handler will 134b797893fc1966803d0c013faac42e6396a37a384xinhe //be removed. This also stop alert logging 135b797893fc1966803d0c013faac42e6396a37a384xinhe if(!WifiNative.resetLogHandler()) { 136b797893fc1966803d0c013faac42e6396a37a384xinhe Log.e(TAG, "Fail to reset log handler"); 137b797893fc1966803d0c013faac42e6396a37a384xinhe } else { 138b797893fc1966803d0c013faac42e6396a37a384xinhe if (DBG) Log.d(TAG,"Reset log handler"); 139b797893fc1966803d0c013faac42e6396a37a384xinhe } 140ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande stopLoggingAllBuffers(); 141ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande mRingBuffers = null; 142ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande mLogLevel = VERBOSE_NO_LOG; 143ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande } 1440bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1450bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1460bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public synchronized void captureBugReportData(int reason) { 1479a41261e4f688411a7038781ca959b2007965f06Vinit Deshpande BugReport report = captureBugreport(reason, true); 1480bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mLastBugReports.addLast(report); 1490bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1500bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1510bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public synchronized void captureAlertData(int errorCode, byte[] alertData) { 152f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande BugReport report = captureBugreport(errorCode, /* captureFWDump = */ true); 1530bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande report.alertData = alertData; 1540bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mLastAlerts.addLast(report); 1550bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 15603ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 1570bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public synchronized void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1580bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("Chipset information :-----------------------------------------------"); 1590bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("FW Version is: " + mFirmwareVersion); 1600bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("Driver Version is: " + mDriverVersion); 1610bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("Supported Feature set: " + mSupportedFeatureSet); 1620bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1630bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (int i = 0; i < mLastAlerts.size(); i++) { 1640bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("--------------------------------------------------------------------"); 1650bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("Alert dump " + i); 1660bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.print(mLastAlerts.get(i)); 1670bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("--------------------------------------------------------------------"); 1680bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1690bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1700bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (int i = 0; i < mLastBugReports.size(); i++) { 1710bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("--------------------------------------------------------------------"); 1720bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("Bug dump " + i); 1730bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.print(mLastBugReports.get(i)); 1740bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("--------------------------------------------------------------------"); 1750bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1760bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1770bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande pw.println("--------------------------------------------------------------------"); 1780bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 1790bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1800bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /* private methods and data */ 1810bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private static class BugReport { 1826414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande long systemTimeMs; 1836414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande long kernelTimeNanos; 1840bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande int errorCode; 1850bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande HashMap<String, byte[][]> ringBuffers = new HashMap(); 1860bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande byte[] fwMemoryDump; 1870bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande byte[] alertData; 1880bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1890bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public String toString() { 1900bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande StringBuilder builder = new StringBuilder(); 1910bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1920bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande Calendar c = Calendar.getInstance(); 1936414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande c.setTimeInMillis(systemTimeMs); 1946414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande builder.append("system time = ").append( 1950bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande String.format("%tm-%td %tH:%tM:%tS.%tL", c, c, c, c, c, c)).append("\n"); 1960bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 1976414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande long kernelTimeMs = kernelTimeNanos/(1000*1000); 1986414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande builder.append("kernel time = ").append(kernelTimeMs/1000).append(".").append 1996414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande (kernelTimeMs%1000).append("\n"); 2006414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande 2010bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (alertData == null) 2020bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append("reason = ").append(errorCode).append("\n"); 2030bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande else { 2040bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append("errorCode = ").append(errorCode); 2050bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append("data \n"); 2060bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append(compressToBase64(alertData)).append("\n"); 2070bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2080bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2090bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (HashMap.Entry<String, byte[][]> e : ringBuffers.entrySet()) { 2100bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande String ringName = e.getKey(); 2110bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande byte[][] buffers = e.getValue(); 2120bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append("ring-buffer = ").append(ringName).append("\n"); 2130bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2140bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande int size = 0; 2150bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (int i = 0; i < buffers.length; i++) { 2160bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande size += buffers[i].length; 2170bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2180bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2190bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande byte[] buffer = new byte[size]; 2200bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande int index = 0; 2210bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (int i = 0; i < buffers.length; i++) { 2220bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande System.arraycopy(buffers[i], 0, buffer, index, buffers[i].length); 2230bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande index += buffers[i].length; 2240bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2250bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2260bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append(compressToBase64(buffer)); 2270bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append("\n"); 2280bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2290bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2300bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (fwMemoryDump != null) { 2310bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append("FW Memory dump \n"); 2320bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande builder.append(compressToBase64(fwMemoryDump)); 2330bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2340bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2350bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return builder.toString(); 2360bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2370bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2380bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2390bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande static class LimitedCircularArray<E> { 2400bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private CircularArray<E> mArray; 2410bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private int mMax; 2420bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande LimitedCircularArray(int max) { 2430bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mArray = new CircularArray<E>(); 2440bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mMax = max; 2450bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 24603ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 2470bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public final void addLast(E e) { 2480bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mArray.size() >= mMax) 2490bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mArray.popFirst(); 2500bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mArray.addLast(e); 2510bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 25203ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 2530bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public final int size() { 2540bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return mArray.size(); 255a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 256a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 2570bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public final E get(int i) { 2580bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return mArray.get(i); 2590bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 26003ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 261a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 2620bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private final LimitedCircularArray<BugReport> mLastAlerts = 2630bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande new LimitedCircularArray<BugReport>(MAX_ALERT_REPORTS); 2640bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private final LimitedCircularArray<BugReport> mLastBugReports = 2650bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande new LimitedCircularArray<BugReport>(MAX_BUG_REPORTS); 266674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava private final HashMap<String, LimitedCircularArray<byte[]>> mRingBufferData = new HashMap(); 2670bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2680bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private final WifiNative.WifiLoggerEventHandler mHandler = 2690bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande new WifiNative.WifiLoggerEventHandler() { 2700bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande @Override 2710bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public void onRingBufferData(WifiNative.RingBufferStatus status, byte[] buffer) { 2720bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande WifiLogger.this.onRingBufferData(status, buffer); 2730bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2740bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2750bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande @Override 2760bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande public void onWifiAlert(int errorCode, byte[] buffer) { 2770bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande WifiLogger.this.onWifiAlert(errorCode, buffer); 2780bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 2790bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande }; 2800bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 2810bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande synchronized void onRingBufferData(WifiNative.RingBufferStatus status, byte[] buffer) { 282674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava LimitedCircularArray<byte[]> ring = mRingBufferData.get(status.name); 2830bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (ring != null) { 2840bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande ring.addLast(buffer); 2850bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 28603ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 287a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 2880bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande synchronized void onWifiAlert(int errorCode, byte[] buffer) { 289f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande if (mWifiStateMachine != null) { 290f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande mWifiStateMachine.sendMessage( 291f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande WifiStateMachine.CMD_FIRMWARE_ALERT, errorCode, 0, buffer); 292f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande } 293a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 294a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 2950bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private boolean fetchRingBuffers() { 2960bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mRingBuffers != null) return true; 297a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 2980bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mRingBuffers = WifiNative.getRingBufferStatus(); 2990bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mRingBuffers != null) { 3000bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (WifiNative.RingBufferStatus buffer : mRingBuffers) { 3010bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) Log.d(TAG, "RingBufferStatus is: \n" + buffer.name); 3020bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mRingBufferData.containsKey(buffer.name) == false) { 3030bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mRingBufferData.put(buffer.name, 304674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava new LimitedCircularArray<byte[]>(MAX_RING_BUFFERS)); 3050bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 3060bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if ((buffer.flag & RING_BUFFER_FLAG_HAS_PER_PACKET_ENTRIES) != 0) { 3070bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mPerPacketRingBuffer = buffer; 30803ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 309a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 31003ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } else { 3110bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande Log.e(TAG, "no ring buffers found"); 312a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 31303ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 3140bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return mRingBuffers != null; 315a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 316a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 3170bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private boolean startLoggingAllExceptPerPacketBuffers() { 31803ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 3190bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mRingBuffers == null) { 3200bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) Log.d(TAG, "No ring buffers to log anything!"); 3210bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return false; 32203ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 32303ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 3240bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (WifiNative.RingBufferStatus buffer : mRingBuffers){ 3250bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 3260bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if ((buffer.flag & RING_BUFFER_FLAG_HAS_PER_PACKET_ENTRIES) != 0) { 3270bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande /* skip per-packet-buffer */ 3280bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) Log.d(TAG, "skipped per packet logging ring " + buffer.name); 3290bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande continue; 33003ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 3310bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 3320bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande startLoggingRingBuffer(buffer); 33303ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 33403ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 33503ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe return true; 336a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 337a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 3380bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private boolean startLoggingRingBuffer(WifiNative.RingBufferStatus buffer) { 3390bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 3400bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande int minInterval = MinWakeupIntervals[mLogLevel]; 3410bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande int minDataSize = MinBufferSizes[mLogLevel]; 3420bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 3430bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (WifiNative.startLoggingRingBuffer( 3440bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande mLogLevel, 0, minInterval, minDataSize, buffer.name) == false) { 3450bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) Log.e(TAG, "Could not start logging ring " + buffer.name); 3460bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return false; 3470bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 3480bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 3490bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return true; 35003ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 351a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle 3520bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private boolean stopLoggingRingBuffer(WifiNative.RingBufferStatus buffer) { 3530bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (WifiNative.startLoggingRingBuffer(0, 0, 0, 0, buffer.name) == false) { 3540bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) Log.e(TAG, "Could not stop logging ring " + buffer.name); 35503ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 3560bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return true; 3570bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 3580bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 3590bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private boolean stopLoggingAllBuffers() { 360d27cbe81e1b51f09081c667c275019e63a0399a2Vinit Deshpande if (mRingBuffers != null) { 361d27cbe81e1b51f09081c667c275019e63a0399a2Vinit Deshpande for (WifiNative.RingBufferStatus buffer : mRingBuffers) { 362d27cbe81e1b51f09081c667c275019e63a0399a2Vinit Deshpande stopLoggingRingBuffer(buffer); 363d27cbe81e1b51f09081c667c275019e63a0399a2Vinit Deshpande } 3640bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 3650bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return true; 3660bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 36703ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 3680bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private boolean getAllRingBufferData() { 3690bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (mRingBuffers == null) { 3700bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande Log.e(TAG, "Not ring buffers available to collect data!"); 3710bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return false; 3720bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 3730bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 3740bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande for (WifiNative.RingBufferStatus element : mRingBuffers){ 3750bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande boolean result = WifiNative.getRingBufferData(element.name); 3760bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (!result) { 37703ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe Log.e(TAG, "Fail to get ring buffer data of: " + element.name); 37803ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe return false; 37903ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 38003ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 3810bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 38203ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe Log.d(TAG, "getAllRingBufferData Successfully!"); 38303ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe return true; 38403ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe } 38503ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 386f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande private BugReport captureBugreport(int errorCode, boolean captureFWDump) { 3870bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande BugReport report = new BugReport(); 3880bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande report.errorCode = errorCode; 3896414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande report.systemTimeMs = System.currentTimeMillis(); 3906414301b7b685307e8ae8cea6976ed05cc49b254Vinit Deshpande report.kernelTimeNanos = System.nanoTime(); 3910bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 392ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande if (mRingBuffers != null) { 393ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande for (WifiNative.RingBufferStatus buffer : mRingBuffers) { 394ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande /* this will push data in mRingBuffers */ 395ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande WifiNative.getRingBufferData(buffer.name); 396674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava LimitedCircularArray<byte[]> data = mRingBufferData.get(buffer.name); 397ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande byte[][] buffers = new byte[data.size()][]; 398674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava for (int i = 0; i < data.size(); i++) { 399674602ce4a5e0c6df7e67230310ad842deb532e9Vineeta Srivastava buffers[i] = data.get(i).clone(); 400ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande } 401ba5908f65b0470be02ec7b5c035a3aec22eb0c11Vinit Deshpande report.ringBuffers.put(buffer.name, buffers); 4020bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 4030bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 4040bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 405f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande if (captureFWDump) { 406f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande report.fwMemoryDump = WifiNative.getFwMemoryDump(); 407f7db07b9cc88ceef2ca3d77414834d0d75b4ece7Vinit Deshpande } 4080bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return report; 409a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle } 41003ba4a5b108ab2bbdb5d0e7be46ac45c00a6d9ffxinhe 4110bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande private static String compressToBase64(byte[] input) { 4120bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande String result; 4130bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande //compress 4140bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande Deflater compressor = new Deflater(); 4150bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande compressor.setLevel(Deflater.BEST_COMPRESSION); 4160bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande compressor.setInput(input); 4170bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande compressor.finish(); 4180bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length); 4190bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande final byte[] buf = new byte[1024]; 4200bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 4210bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande while (!compressor.finished()) { 4220bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande int count = compressor.deflate(buf); 4230bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande bos.write(buf, 0, count); 4240bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 4250bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 4260bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande try { 4270bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande compressor.end(); 4280bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande bos.close(); 4290bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } catch (IOException e) { 4300bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande Log.e(TAG, "ByteArrayOutputStream close error"); 4310bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande result = android.util.Base64.encodeToString(input, Base64.DEFAULT); 4320bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return result; 4330bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 4340bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 4350bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande byte[] compressed = bos.toByteArray(); 4360bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) { 4370bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande Log.d(TAG," length is:" + (compressed == null? "0" : compressed.length)); 4380bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 4390bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 4400bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande //encode 4410bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande result = android.util.Base64.encodeToString( 4420bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande compressed.length < input.length ? compressed : input , Base64.DEFAULT); 4430bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 4440bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande if (DBG) { 4450bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande Log.d(TAG, "FwMemoryDump length is :" + result.length()); 4460bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 4470bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande 4480bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande return result; 4490bf150b2d69ec62df905bc6f8603437dc4caee1fVinit Deshpande } 450a0d34d3626bd9631039a485d2d428b1b7de390e2Pierre Vandwalle} 451