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Diffstat (limited to '')
9 files changed, 1047 insertions, 0 deletions
diff --git a/sample_updater/src/com/example/android/systemupdatersample/PayloadSpec.java b/sample_updater/src/com/example/android/systemupdatersample/PayloadSpec.java new file mode 100644 index 000000000..90c5637ea --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/PayloadSpec.java @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample; + +import android.os.UpdateEngine; + +import java.util.List; + +/** + * Payload that will be given to {@link UpdateEngine#applyPayload)}. + */ +public class PayloadSpec { + + /** + * Creates a payload spec {@link Builder} + */ + public static Builder newBuilder() { + return new Builder(); + } + + private String mUrl; + private long mOffset; + private long mSize; + private List<String> mProperties; + + public PayloadSpec(Builder b) { + this.mUrl = b.mUrl; + this.mOffset = b.mOffset; + this.mSize = b.mSize; + this.mProperties = b.mProperties; + } + + public String getUrl() { + return mUrl; + } + + public long getOffset() { + return mOffset; + } + + public long getSize() { + return mSize; + } + + public List<String> getProperties() { + return mProperties; + } + + /** + * payload spec builder. + * + * <p>Usage:</p> + * + * {@code + * PayloadSpec spec = PayloadSpec.newBuilder() + * .url("url") + * .build(); + * } + */ + public static class Builder { + private String mUrl; + private long mOffset; + private long mSize; + private List<String> mProperties; + + public Builder() { + } + + /** + * set url + */ + public Builder url(String url) { + this.mUrl = url; + return this; + } + + /** + * set offset + */ + public Builder offset(long offset) { + this.mOffset = offset; + return this; + } + + /** + * set size + */ + public Builder size(long size) { + this.mSize = size; + return this; + } + + /** + * set properties + */ + public Builder properties(List<String> properties) { + this.mProperties = properties; + return this; + } + + /** + * build {@link PayloadSpec} + */ + public PayloadSpec build() { + return new PayloadSpec(this); + } + } +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/UpdateConfig.java b/sample_updater/src/com/example/android/systemupdatersample/UpdateConfig.java new file mode 100644 index 000000000..cbee18fcb --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/UpdateConfig.java @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample; + +import android.os.Parcel; +import android.os.Parcelable; + +import org.json.JSONException; +import org.json.JSONObject; + +import java.io.File; +import java.io.Serializable; + +/** + * UpdateConfig describes an update. It will be parsed from JSON, which is intended to + * be sent from server to the update app, but in this sample app it will be stored on the device. + */ +public class UpdateConfig implements Parcelable { + + public static final int TYPE_NON_STREAMING = 0; + public static final int TYPE_STREAMING = 1; + + public static final Parcelable.Creator<UpdateConfig> CREATOR = + new Parcelable.Creator<UpdateConfig>() { + @Override + public UpdateConfig createFromParcel(Parcel source) { + return new UpdateConfig(source); + } + + @Override + public UpdateConfig[] newArray(int size) { + return new UpdateConfig[size]; + } + }; + + /** parse update config from json */ + public static UpdateConfig fromJson(String json) throws JSONException { + UpdateConfig c = new UpdateConfig(); + + JSONObject o = new JSONObject(json); + c.mName = o.getString("name"); + c.mUrl = o.getString("url"); + if (TYPE_NON_STREAMING_JSON.equals(o.getString("type"))) { + c.mInstallType = TYPE_NON_STREAMING; + } else if (TYPE_STREAMING_JSON.equals(o.getString("type"))) { + c.mInstallType = TYPE_STREAMING; + } else { + throw new JSONException("Invalid type, expected either " + + "NON_STREAMING or STREAMING, got " + o.getString("type")); + } + if (o.has("metadata")) { + c.mMetadata = new Metadata( + o.getJSONObject("metadata").getInt("offset"), + o.getJSONObject("metadata").getInt("size")); + } + c.mRawJson = json; + return c; + } + + /** + * these strings are represent types in JSON config files + */ + private static final String TYPE_NON_STREAMING_JSON = "NON_STREAMING"; + private static final String TYPE_STREAMING_JSON = "STREAMING"; + + /** name will be visible on UI */ + private String mName; + + /** update zip file URI, can be https:// or file:// */ + private String mUrl; + + /** non-streaming (first saves locally) OR streaming (on the fly) */ + private int mInstallType; + + /** metadata is required only for streaming update */ + private Metadata mMetadata; + + private String mRawJson; + + protected UpdateConfig() { + } + + protected UpdateConfig(Parcel in) { + this.mName = in.readString(); + this.mUrl = in.readString(); + this.mInstallType = in.readInt(); + this.mMetadata = (Metadata) in.readSerializable(); + this.mRawJson = in.readString(); + } + + public UpdateConfig(String name, String url, int installType) { + this.mName = name; + this.mUrl = url; + this.mInstallType = installType; + } + + public String getName() { + return mName; + } + + public String getUrl() { + return mUrl; + } + + public String getRawJson() { + return mRawJson; + } + + public int getInstallType() { + return mInstallType; + } + + /** + * "url" must be the file located on the device. + * + * @return File object for given url + */ + public File getUpdatePackageFile() { + if (mInstallType != TYPE_NON_STREAMING) { + throw new RuntimeException("Expected non-streaming install type"); + } + if (!mUrl.startsWith("file://")) { + throw new RuntimeException("url is expected to start with file://"); + } + return new File(mUrl.substring(7, mUrl.length())); + } + + @Override + public int describeContents() { + return 0; + } + + @Override + public void writeToParcel(Parcel dest, int flags) { + dest.writeString(mName); + dest.writeString(mUrl); + dest.writeInt(mInstallType); + dest.writeSerializable(mMetadata); + dest.writeString(mRawJson); + } + + /** + * Metadata for STREAMING update + */ + public static class Metadata implements Serializable { + + private static final long serialVersionUID = 31042L; + + /** defines beginning of update data in archive */ + private long mOffset; + + /** size of the update data in archive */ + private long mSize; + + public Metadata(long offset, long size) { + this.mOffset = offset; + this.mSize = size; + } + + public long getOffset() { + return mOffset; + } + + public long getSize() { + return mSize; + } + } + +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/ui/MainActivity.java b/sample_updater/src/com/example/android/systemupdatersample/ui/MainActivity.java new file mode 100644 index 000000000..72e1b2469 --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/ui/MainActivity.java @@ -0,0 +1,314 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample.ui; + +import android.app.Activity; +import android.app.AlertDialog; +import android.os.Build; +import android.os.Bundle; +import android.os.UpdateEngine; +import android.os.UpdateEngineCallback; +import android.util.Log; +import android.view.View; +import android.widget.ArrayAdapter; +import android.widget.Button; +import android.widget.ProgressBar; +import android.widget.Spinner; +import android.widget.TextView; +import android.widget.Toast; + +import com.example.android.systemupdatersample.R; +import com.example.android.systemupdatersample.UpdateConfig; +import com.example.android.systemupdatersample.updates.AbNonStreamingUpdate; +import com.example.android.systemupdatersample.util.UpdateConfigs; +import com.example.android.systemupdatersample.util.UpdateEngineErrorCodes; +import com.example.android.systemupdatersample.util.UpdateEngineStatuses; + +import java.util.List; +import java.util.concurrent.atomic.AtomicInteger; + +/** + * UI for SystemUpdaterSample app. + */ +public class MainActivity extends Activity { + + private TextView mTextViewBuild; + private Spinner mSpinnerConfigs; + private TextView mTextViewConfigsDirHint; + private Button mButtonReload; + private Button mButtonApplyConfig; + private Button mButtonStop; + private Button mButtonReset; + private ProgressBar mProgressBar; + private TextView mTextViewStatus; + + private List<UpdateConfig> mConfigs; + private AtomicInteger mUpdateEngineStatus = + new AtomicInteger(UpdateEngine.UpdateStatusConstants.IDLE); + private UpdateEngine mUpdateEngine = new UpdateEngine(); + + /** + * Listen to {@code update_engine} events. + */ + private UpdateEngineCallbackImpl mUpdateEngineCallback = new UpdateEngineCallbackImpl(); + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.activity_main); + + this.mTextViewBuild = findViewById(R.id.textViewBuild); + this.mSpinnerConfigs = findViewById(R.id.spinnerConfigs); + this.mTextViewConfigsDirHint = findViewById(R.id.textViewConfigsDirHint); + this.mButtonReload = findViewById(R.id.buttonReload); + this.mButtonApplyConfig = findViewById(R.id.buttonApplyConfig); + this.mButtonStop = findViewById(R.id.buttonStop); + this.mButtonReset = findViewById(R.id.buttonReset); + this.mProgressBar = findViewById(R.id.progressBar); + this.mTextViewStatus = findViewById(R.id.textViewStatus); + + this.mUpdateEngine.bind(mUpdateEngineCallback); + + this.mTextViewConfigsDirHint.setText(UpdateConfigs.getConfigsRoot(this)); + + uiReset(); + + loadUpdateConfigs(); + } + + @Override + protected void onDestroy() { + this.mUpdateEngine.unbind(); + super.onDestroy(); + } + + /** + * reload button is clicked + */ + public void onReloadClick(View view) { + loadUpdateConfigs(); + } + + /** + * view config button is clicked + */ + public void onViewConfigClick(View view) { + UpdateConfig config = mConfigs.get(mSpinnerConfigs.getSelectedItemPosition()); + new AlertDialog.Builder(this) + .setTitle(config.getName()) + .setMessage(config.getRawJson()) + .setPositiveButton(R.string.close, (dialog, id) -> dialog.dismiss()) + .show(); + } + + /** + * apply config button is clicked + */ + public void onApplyConfigClick(View view) { + new AlertDialog.Builder(this) + .setTitle("Apply Update") + .setMessage("Do you really want to apply this update?") + .setIcon(android.R.drawable.ic_dialog_alert) + .setPositiveButton(android.R.string.ok, (dialog, whichButton) -> { + uiSetUpdating(); + applyUpdate(getSelectedConfig()); + }) + .setNegativeButton(android.R.string.cancel, null) + .show(); + } + + /** + * stop button clicked + */ + public void onStopClick(View view) { + new AlertDialog.Builder(this) + .setTitle("Stop Update") + .setMessage("Do you really want to cancel running update?") + .setIcon(android.R.drawable.ic_dialog_alert) + .setPositiveButton(android.R.string.ok, (dialog, whichButton) -> { + uiReset(); + stopRunningUpdate(); + }) + .setNegativeButton(android.R.string.cancel, null).show(); + } + + /** + * reset button clicked + */ + public void onResetClick(View view) { + new AlertDialog.Builder(this) + .setTitle("Reset Update") + .setMessage("Do you really want to cancel running update" + + " and restore old version?") + .setIcon(android.R.drawable.ic_dialog_alert) + .setPositiveButton(android.R.string.ok, (dialog, whichButton) -> { + uiReset(); + resetUpdate(); + }) + .setNegativeButton(android.R.string.cancel, null).show(); + } + + /** + * Invoked when anything changes. The value of {@code status} will + * be one of the values from {@link UpdateEngine.UpdateStatusConstants}, + * and {@code percent} will be from {@code 0.0} to {@code 1.0}. + */ + private void onStatusUpdate(int status, float percent) { + mProgressBar.setProgress((int) (100 * percent)); + if (mUpdateEngineStatus.get() != status) { + mUpdateEngineStatus.set(status); + runOnUiThread(() -> { + Log.e("UpdateEngine", "StatusUpdate - status=" + + UpdateEngineStatuses.getStatusText(status) + + "/" + status); + setUiStatus(status); + Toast.makeText(this, "Update Status changed", Toast.LENGTH_LONG) + .show(); + }); + } + } + + /** + * Invoked when the payload has been applied, whether successfully or + * unsuccessfully. The value of {@code errorCode} will be one of the + * values from {@link UpdateEngine.ErrorCodeConstants}. + */ + private void onPayloadApplicationComplete(int errorCode) { + runOnUiThread(() -> { + final String state = UpdateEngineErrorCodes.isUpdateSucceeded(errorCode) + ? "SUCCESS" + : "FAILURE"; + Log.i("UpdateEngine", + "Completed - errorCode=" + + UpdateEngineErrorCodes.getCodeName(errorCode) + "/" + errorCode + + " " + state); + Toast.makeText(this, "Update completed", Toast.LENGTH_LONG).show(); + }); + } + + /** resets ui */ + private void uiReset() { + mTextViewBuild.setText(Build.DISPLAY); + mSpinnerConfigs.setEnabled(true); + mButtonReload.setEnabled(true); + mButtonApplyConfig.setEnabled(true); + mButtonStop.setEnabled(false); + mButtonReset.setEnabled(false); + mProgressBar.setProgress(0); + mProgressBar.setEnabled(false); + mProgressBar.setVisibility(ProgressBar.INVISIBLE); + mTextViewStatus.setText(R.string.unknown); + } + + /** sets ui updating mode */ + private void uiSetUpdating() { + mTextViewBuild.setText(Build.DISPLAY); + mSpinnerConfigs.setEnabled(false); + mButtonReload.setEnabled(false); + mButtonApplyConfig.setEnabled(false); + mButtonStop.setEnabled(true); + mProgressBar.setEnabled(true); + mButtonReset.setEnabled(true); + mProgressBar.setVisibility(ProgressBar.VISIBLE); + } + + /** + * loads json configurations from configs dir that is defined in {@link UpdateConfigs}. + */ + private void loadUpdateConfigs() { + mConfigs = UpdateConfigs.getUpdateConfigs(this); + loadConfigsToSpinner(mConfigs); + } + + /** + * @param status update engine status code + */ + private void setUiStatus(int status) { + String statusText = UpdateEngineStatuses.getStatusText(status); + mTextViewStatus.setText(statusText); + } + + private void loadConfigsToSpinner(List<UpdateConfig> configs) { + String[] spinnerArray = UpdateConfigs.configsToNames(configs); + ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<>(this, + android.R.layout.simple_spinner_item, + spinnerArray); + spinnerArrayAdapter.setDropDownViewResource(android.R.layout + .simple_spinner_dropdown_item); + mSpinnerConfigs.setAdapter(spinnerArrayAdapter); + } + + private UpdateConfig getSelectedConfig() { + return mConfigs.get(mSpinnerConfigs.getSelectedItemPosition()); + } + + /** + * Applies the given update + */ + private void applyUpdate(UpdateConfig config) { + if (config.getInstallType() == UpdateConfig.TYPE_NON_STREAMING) { + AbNonStreamingUpdate update = new AbNonStreamingUpdate(mUpdateEngine, config); + try { + update.execute(); + } catch (Exception e) { + Log.e("MainActivity", "Error applying the update", e); + Toast.makeText(this, "Error applying the update", Toast.LENGTH_SHORT) + .show(); + } + } else { + Toast.makeText(this, "Streaming is not implemented", Toast.LENGTH_SHORT) + .show(); + } + } + + /** + * Requests update engine to stop any ongoing update. If an update has been applied, + * leave it as is. + */ + private void stopRunningUpdate() { + Toast.makeText(this, + "stopRunningUpdate is not implemented", + Toast.LENGTH_SHORT).show(); + + } + + /** + * Resets update engine to IDLE state. Requests to cancel any onging update, or to revert if an + * update has been applied. + */ + private void resetUpdate() { + Toast.makeText(this, + "resetUpdate is not implemented", + Toast.LENGTH_SHORT).show(); + } + + /** + * Helper class to delegate UpdateEngine callbacks to MainActivity + */ + class UpdateEngineCallbackImpl extends UpdateEngineCallback { + @Override + public void onStatusUpdate(int status, float percent) { + MainActivity.this.onStatusUpdate(status, percent); + } + + @Override + public void onPayloadApplicationComplete(int errorCode) { + MainActivity.this.onPayloadApplicationComplete(errorCode); + } + } + +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/updates/AbNonStreamingUpdate.java b/sample_updater/src/com/example/android/systemupdatersample/updates/AbNonStreamingUpdate.java new file mode 100644 index 000000000..1b91a1ac3 --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/updates/AbNonStreamingUpdate.java @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample.updates; + +import android.os.UpdateEngine; + +import com.example.android.systemupdatersample.PayloadSpec; +import com.example.android.systemupdatersample.UpdateConfig; +import com.example.android.systemupdatersample.util.PayloadSpecs; + +/** + * Applies A/B (seamless) non-streaming update. + */ +public class AbNonStreamingUpdate { + + private final UpdateEngine mUpdateEngine; + private final UpdateConfig mUpdateConfig; + + public AbNonStreamingUpdate(UpdateEngine updateEngine, UpdateConfig config) { + this.mUpdateEngine = updateEngine; + this.mUpdateConfig = config; + } + + /** + * Start applying the update. This method doesn't wait until end of the update. + * {@code update_engine} works asynchronously. + */ + public void execute() throws Exception { + PayloadSpec payload = PayloadSpecs.forNonStreaming(mUpdateConfig.getUpdatePackageFile()); + + mUpdateEngine.applyPayload( + payload.getUrl(), + payload.getOffset(), + payload.getSize(), + payload.getProperties().toArray(new String[0])); + } + +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/util/PackagePropertyFiles.java b/sample_updater/src/com/example/android/systemupdatersample/util/PackagePropertyFiles.java new file mode 100644 index 000000000..3988b5928 --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/util/PackagePropertyFiles.java @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample.util; + +/** Utility class for property files in a package. */ +public final class PackagePropertyFiles { + + public static final String PAYLOAD_BINARY_FILE_NAME = "payload.bin"; + + public static final String PAYLOAD_HEADER_FILE_NAME = "payload_header.bin"; + + public static final String PAYLOAD_METADATA_FILE_NAME = "payload_metadata.bin"; + + public static final String PAYLOAD_PROPERTIES_FILE_NAME = "payload_properties.txt"; + + /** The zip entry in an A/B OTA package, which will be used by update_verifier. */ + public static final String CARE_MAP_FILE_NAME = "care_map.txt"; + + public static final String METADATA_FILE_NAME = "metadata"; + + /** + * The zip file that claims the compatibility of the update package to check against the Android + * framework to ensure that the package can be installed on the device. + */ + public static final String COMPATIBILITY_ZIP_FILE_NAME = "compatibility.zip"; + + private PackagePropertyFiles() {} +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/util/PayloadSpecs.java b/sample_updater/src/com/example/android/systemupdatersample/util/PayloadSpecs.java new file mode 100644 index 000000000..43c8d75e2 --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/util/PayloadSpecs.java @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample.util; + +import android.annotation.TargetApi; +import android.os.Build; + +import com.example.android.systemupdatersample.PayloadSpec; + +import java.io.BufferedReader; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Enumeration; +import java.util.List; +import java.util.zip.ZipEntry; +import java.util.zip.ZipFile; + +/** The helper class that creates {@link PayloadSpec}. */ +@TargetApi(Build.VERSION_CODES.N) +public final class PayloadSpecs { + + /** + * The payload PAYLOAD_ENTRY is stored in the zip package to comply with the Android OTA package + * format. We want to find out the offset of the entry, so that we can pass it over to the A/B + * updater without making an extra copy of the payload. + * + * <p>According to Android docs, the entries are listed in the order in which they appear in the + * zip file. So we enumerate the entries to identify the offset of the payload file. + * http://developer.android.com/reference/java/util/zip/ZipFile.html#entries() + */ + public static PayloadSpec forNonStreaming(File packageFile) throws IOException { + boolean payloadFound = false; + long payloadOffset = 0; + long payloadSize = 0; + + List<String> properties = new ArrayList<>(); + try (ZipFile zip = new ZipFile(packageFile)) { + Enumeration<? extends ZipEntry> entries = zip.entries(); + long offset = 0; + while (entries.hasMoreElements()) { + ZipEntry entry = entries.nextElement(); + String name = entry.getName(); + // Zip local file header has 30 bytes + filename + sizeof extra field. + // https://en.wikipedia.org/wiki/Zip_(file_format) + long extraSize = entry.getExtra() == null ? 0 : entry.getExtra().length; + offset += 30 + name.length() + extraSize; + + if (entry.isDirectory()) { + continue; + } + + long length = entry.getCompressedSize(); + if (PackagePropertyFiles.PAYLOAD_BINARY_FILE_NAME.equals(name)) { + if (entry.getMethod() != ZipEntry.STORED) { + throw new IOException("Invalid compression method."); + } + payloadFound = true; + payloadOffset = offset; + payloadSize = length; + } else if (PackagePropertyFiles.PAYLOAD_PROPERTIES_FILE_NAME.equals(name)) { + InputStream inputStream = zip.getInputStream(entry); + if (inputStream != null) { + BufferedReader br = new BufferedReader(new InputStreamReader(inputStream)); + String line; + while ((line = br.readLine()) != null) { + properties.add(line); + } + } + } + offset += length; + } + } + + if (!payloadFound) { + throw new IOException("Failed to find payload entry in the given package."); + } + return PayloadSpec.newBuilder() + .url("file://" + packageFile.getAbsolutePath()) + .offset(payloadOffset) + .size(payloadSize) + .properties(properties) + .build(); + } + + /** + * Converts an {@link PayloadSpec} to a string. + */ + public static String toString(PayloadSpec payloadSpec) { + return "<PayloadSpec url=" + payloadSpec.getUrl() + + ", offset=" + payloadSpec.getOffset() + + ", size=" + payloadSpec.getSize() + + ", properties=" + Arrays.toString( + payloadSpec.getProperties().toArray(new String[0])) + + ">"; + } + + private PayloadSpecs() {} + +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/util/UpdateConfigs.java b/sample_updater/src/com/example/android/systemupdatersample/util/UpdateConfigs.java new file mode 100644 index 000000000..089f8b2f2 --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/util/UpdateConfigs.java @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample.util; + +import android.content.Context; + +import com.example.android.systemupdatersample.UpdateConfig; + +import java.io.File; +import java.nio.charset.StandardCharsets; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.List; + +/** + * Utility class for working with json update configurations. + */ +public final class UpdateConfigs { + + private static final String UPDATE_CONFIGS_ROOT = "configs/"; + + /** + * @param configs update configs + * @return list of names + */ + public static String[] configsToNames(List<UpdateConfig> configs) { + return configs.stream().map(UpdateConfig::getName).toArray(String[]::new); + } + + /** + * @param context app context + * @return configs root directory + */ + public static String getConfigsRoot(Context context) { + return Paths.get(context.getFilesDir().toString(), + UPDATE_CONFIGS_ROOT).toString(); + } + + /** + * It parses only {@code .json} files. + * + * @param context application context + * @return list of configs from directory {@link UpdateConfigs#getConfigsRoot} + */ + public static List<UpdateConfig> getUpdateConfigs(Context context) { + File root = new File(getConfigsRoot(context)); + ArrayList<UpdateConfig> configs = new ArrayList<>(); + if (!root.exists()) { + return configs; + } + for (final File f : root.listFiles()) { + if (!f.isDirectory() && f.getName().endsWith(".json")) { + try { + String json = new String(Files.readAllBytes(f.toPath()), + StandardCharsets.UTF_8); + configs.add(UpdateConfig.fromJson(json)); + } catch (Exception e) { + throw new RuntimeException( + "Can't read/parse config file " + f.getName(), e); + } + } + } + return configs; + } + + private UpdateConfigs() {} +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/util/UpdateEngineErrorCodes.java b/sample_updater/src/com/example/android/systemupdatersample/util/UpdateEngineErrorCodes.java new file mode 100644 index 000000000..e63da6298 --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/util/UpdateEngineErrorCodes.java @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample.util; + +import android.os.UpdateEngine; +import android.util.SparseArray; + +import java.util.Arrays; +import java.util.HashSet; +import java.util.Set; + +/** + * Helper class to work with update_engine's error codes. + * Many error codes are defined in {@link UpdateEngine.ErrorCodeConstants}, + * but you can find more in system/update_engine/common/error_code.h. + */ +public final class UpdateEngineErrorCodes { + + /** + * Error code from the update engine. Values must agree with the ones in + * system/update_engine/common/error_code.h. + */ + public static final int UPDATED_BUT_NOT_ACTIVE = 52; + + private static final SparseArray<String> CODE_TO_NAME_MAP = new SparseArray<>(); + + static { + CODE_TO_NAME_MAP.put(0, "SUCCESS"); + CODE_TO_NAME_MAP.put(1, "ERROR"); + CODE_TO_NAME_MAP.put(4, "FILESYSTEM_COPIER_ERROR"); + CODE_TO_NAME_MAP.put(5, "POST_INSTALL_RUNNER_ERROR"); + CODE_TO_NAME_MAP.put(6, "PAYLOAD_MISMATCHED_TYPE_ERROR"); + CODE_TO_NAME_MAP.put(7, "INSTALL_DEVICE_OPEN_ERROR"); + CODE_TO_NAME_MAP.put(8, "KERNEL_DEVICE_OPEN_ERROR"); + CODE_TO_NAME_MAP.put(9, "DOWNLOAD_TRANSFER_ERROR"); + CODE_TO_NAME_MAP.put(10, "PAYLOAD_HASH_MISMATCH_ERROR"); + CODE_TO_NAME_MAP.put(11, "PAYLOAD_SIZE_MISMATCH_ERROR"); + CODE_TO_NAME_MAP.put(12, "DOWNLOAD_PAYLOAD_VERIFICATION_ERROR"); + CODE_TO_NAME_MAP.put(20, "DOWNLOAD_STATE_INITIALIZATION_ERROR"); + CODE_TO_NAME_MAP.put(48, "USER_CANCELLED"); + CODE_TO_NAME_MAP.put(52, "UPDATED_BUT_NOT_ACTIVE"); + } + + /** + * Completion codes returned by update engine indicating that the update + * was successfully applied. + */ + private static final Set<Integer> SUCCEEDED_COMPLETION_CODES = new HashSet<Integer>( + Arrays.asList(UpdateEngine.ErrorCodeConstants.SUCCESS, + // UPDATED_BUT_NOT_ACTIVE is returned when the payload is + // successfully applied but the + // device won't switch to the new slot after the next boot. + UPDATED_BUT_NOT_ACTIVE)); + + /** + * checks if update succeeded using errorCode + */ + public static boolean isUpdateSucceeded(int errorCode) { + return SUCCEEDED_COMPLETION_CODES.contains(errorCode); + } + + /** + * converts error code to error name + */ + public static String getCodeName(int errorCode) { + return CODE_TO_NAME_MAP.get(errorCode); + } + + private UpdateEngineErrorCodes() {} +} diff --git a/sample_updater/src/com/example/android/systemupdatersample/util/UpdateEngineStatuses.java b/sample_updater/src/com/example/android/systemupdatersample/util/UpdateEngineStatuses.java new file mode 100644 index 000000000..6203b201a --- /dev/null +++ b/sample_updater/src/com/example/android/systemupdatersample/util/UpdateEngineStatuses.java @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.example.android.systemupdatersample.util; + +import android.util.SparseArray; + +/** + * Helper class to work with update_engine's error codes. + * Many error codes are defined in {@link UpdateEngine.UpdateStatusConstants}, + * but you can find more in system/update_engine/common/error_code.h. + */ +public final class UpdateEngineStatuses { + + private static final SparseArray<String> STATUS_MAP = new SparseArray<>(); + + static { + STATUS_MAP.put(0, "IDLE"); + STATUS_MAP.put(1, "CHECKING_FOR_UPDATE"); + STATUS_MAP.put(2, "UPDATE_AVAILABLE"); + STATUS_MAP.put(3, "DOWNLOADING"); + STATUS_MAP.put(4, "VERIFYING"); + STATUS_MAP.put(5, "FINALIZING"); + STATUS_MAP.put(6, "UPDATED_NEED_REBOOT"); + STATUS_MAP.put(7, "REPORTING_ERROR_EVENT"); + STATUS_MAP.put(8, "ATTEMPTING_ROLLBACK"); + STATUS_MAP.put(9, "DISABLED"); + } + + /** + * converts status code to status name + */ + public static String getStatusText(int status) { + return STATUS_MAP.get(status); + } + + private UpdateEngineStatuses() {} +} |