| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.net; |
| |
| import android.content.Context; |
| import android.os.ConditionVariable; |
| import android.os.Process; |
| import android.util.Log; |
| |
| import org.chromium.base.CalledByNative; |
| import org.chromium.base.JNINamespace; |
| |
| /** |
| * Provides context for the native HTTP operations. |
| */ |
| @JNINamespace("cronet") |
| public class UrlRequestContext { |
| private static final int LOG_NONE = 0; |
| private static final int LOG_DEBUG = 1; |
| private static final int LOG_VERBOSE = 2; |
| private static final String LOG_TAG = "ChromiumNetwork"; |
| |
| /** |
| * Native peer object, owned by UrlRequestContext. |
| */ |
| private long mUrlRequestContextPeer; |
| |
| private final ConditionVariable mStarted = new ConditionVariable(); |
| |
| /** |
| * Constructor. |
| * |
| */ |
| protected UrlRequestContext(Context context, String userAgent, |
| String config) { |
| mUrlRequestContextPeer = nativeCreateRequestContextPeer(context, |
| userAgent, getLoggingLevel(), config); |
| if (mUrlRequestContextPeer == 0) |
| throw new NullPointerException("Context Peer creation failed"); |
| |
| // TODO(mef): Revisit the need of block here. |
| mStarted.block(2000); |
| } |
| |
| /** |
| * Returns the version of this network stack formatted as N.N.N.N/X where |
| * N.N.N.N is the version of Chromium and X is the revision number. |
| */ |
| public static String getVersion() { |
| return Version.getVersion(); |
| } |
| |
| /** |
| * Initializes statistics recorder. |
| */ |
| public void initializeStatistics() { |
| nativeInitializeStatistics(); |
| } |
| |
| /** |
| * Gets current statistics recorded since |initializeStatistics| with |
| * |filter| as a substring as JSON text (an empty |filter| will include all |
| * registered histograms). |
| */ |
| public String getStatisticsJSON(String filter) { |
| return nativeGetStatisticsJSON(filter); |
| } |
| |
| /** |
| * Starts NetLog logging to a file named |fileName| in the |
| * application temporary directory. |fileName| must not be empty. Log level |
| * is LOG_ALL_BUT_BYTES. If the file exists it is truncated before starting. |
| * If actively logging the call is ignored. |
| */ |
| public void startNetLogToFile(String fileName) { |
| nativeStartNetLogToFile(mUrlRequestContextPeer, fileName); |
| } |
| |
| /** |
| * Stops NetLog logging and flushes file to disk. If a logging session is |
| * not in progress this call is ignored. |
| */ |
| public void stopNetLog() { |
| nativeStopNetLog(mUrlRequestContextPeer); |
| } |
| |
| @CalledByNative |
| private void initNetworkThread() { |
| Thread.currentThread().setName("ChromiumNet"); |
| Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
| mStarted.open(); |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| nativeReleaseRequestContextPeer(mUrlRequestContextPeer); |
| super.finalize(); |
| } |
| |
| protected long getUrlRequestContextPeer() { |
| return mUrlRequestContextPeer; |
| } |
| |
| /** |
| * @return loggingLevel see {@link #LOG_NONE}, {@link #LOG_DEBUG} and |
| * {@link #LOG_VERBOSE}. |
| */ |
| private int getLoggingLevel() { |
| int loggingLevel; |
| if (Log.isLoggable(LOG_TAG, Log.VERBOSE)) { |
| loggingLevel = LOG_VERBOSE; |
| } else if (Log.isLoggable(LOG_TAG, Log.DEBUG)) { |
| loggingLevel = LOG_DEBUG; |
| } else { |
| loggingLevel = LOG_NONE; |
| } |
| return loggingLevel; |
| } |
| |
| // Returns an instance URLRequestContextPeer to be stored in |
| // mUrlRequestContextPeer. |
| private native long nativeCreateRequestContextPeer(Context context, |
| String userAgent, int loggingLevel, String config); |
| |
| private native void nativeReleaseRequestContextPeer( |
| long urlRequestContextPeer); |
| |
| private native void nativeInitializeStatistics(); |
| |
| private native String nativeGetStatisticsJSON(String filter); |
| |
| private native void nativeStartNetLogToFile(long urlRequestContextPeer, |
| String fileName); |
| |
| private native void nativeStopNetLog(long urlRequestContextPeer); |
| } |