| // 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.Handler; |
| import android.os.Looper; |
| 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 ChromiumUrlRequestContext { |
| private static final int LOG_NONE = 3; // LOG(FATAL), no VLOG. |
| private static final int LOG_DEBUG = -1; // LOG(FATAL...INFO), VLOG(1) |
| private static final int LOG_VERBOSE = -2; // LOG(FATAL...INFO), VLOG(2) |
| static final String LOG_TAG = "ChromiumNetwork"; |
| |
| /** |
| * Native adapter object, owned by ChromiumUrlRequestContext. |
| */ |
| private long mChromiumUrlRequestContextAdapter; |
| |
| /** |
| * Constructor. |
| */ |
| protected ChromiumUrlRequestContext(Context context, String userAgent, |
| String config) { |
| mChromiumUrlRequestContextAdapter = nativeCreateRequestContextAdapter( |
| context, userAgent, getLoggingLevel(), config); |
| if (mChromiumUrlRequestContextAdapter == 0) { |
| throw new NullPointerException("Context Adapter creation failed"); |
| } |
| // Post a task to UI thread to init native Chromium URLRequestContext. |
| // TODO(xunjieli): This constructor is not supposed to be invoked on |
| // the main thread. Consider making the following code into a blocking |
| // API to handle the case where we are already on main thread. |
| Runnable task = new Runnable() { |
| public void run() { |
| nativeInitRequestContextOnMainThread( |
| mChromiumUrlRequestContextAdapter); |
| } |
| }; |
| new Handler(Looper.getMainLooper()).post(task); |
| } |
| |
| /** |
| * 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(mChromiumUrlRequestContextAdapter, 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(mChromiumUrlRequestContextAdapter); |
| } |
| |
| @CalledByNative |
| private void initNetworkThread() { |
| Thread.currentThread().setName("ChromiumNet"); |
| Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| nativeReleaseRequestContextAdapter(mChromiumUrlRequestContextAdapter); |
| super.finalize(); |
| } |
| |
| protected long getChromiumUrlRequestContextAdapter() { |
| return mChromiumUrlRequestContextAdapter; |
| } |
| |
| /** |
| * @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 ChromiumUrlRequestContextAdapter to be stored in |
| // mChromiumUrlRequestContextAdapter. |
| private native long nativeCreateRequestContextAdapter(Context context, |
| String userAgent, int loggingLevel, String config); |
| |
| private native void nativeReleaseRequestContextAdapter( |
| long chromiumUrlRequestContextAdapter); |
| |
| private native void nativeInitializeStatistics(); |
| |
| private native String nativeGetStatisticsJSON(String filter); |
| |
| private native void nativeStartNetLogToFile( |
| long chromiumUrlRequestContextAdapter, String fileName); |
| |
| private native void nativeStopNetLog(long chromiumUrlRequestContextAdapter); |
| |
| private native void nativeInitRequestContextOnMainThread( |
| long chromiumUrlRequestContextAdapter); |
| } |