added new sample for diagnostic Web server

commonsguy · May 16, 2015 · 2aba536 · 2aba536
1 parent aa7c9fb
commit 2aba536
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diff --git a/Diagnostics/WebServer/app/DebugActivity.keystore b/Diagnostics/WebServer/app/DebugActivity.keystore
diff --git a/Diagnostics/WebServer/app/build.gradle b/Diagnostics/WebServer/app/build.gradle
@@ -0,0 +1,40 @@
+apply plugin: 'com.android.application'
+
+dependencies {
+    compile 'de.greenrobot:eventbus:2.4.0'
+    compile 'com.squareup.picasso:picasso:2.5.2'
+    compile 'com.squareup.retrofit:retrofit:1.9.0'
+    debugCompile 'com.koushikdutta.async:androidasync:2.1.3'
+    debugCompile 'com.github.jknack:handlebars:2.1.0'
+}
+
+android {
+    compileSdkVersion 19
+    buildToolsVersion "21.1.2"
+
+    defaultConfig {
+        versionCode 1
+        versionName "1.0"
+        minSdkVersion 11
+        targetSdkVersion 17
+    }
+
+    signingConfigs {
+        release {
+            storeFile file('DebugActivity.keystore')
+            keyAlias 'HelloConfig'
+            storePassword 'laser.yams.heady.testy'
+            keyPassword 'fw.stabs.steady.wool'
+        }
+    }
+
+    buildTypes {
+        debug {
+            applicationIdSuffix ".d"
+        }
+
+        release {
+            signingConfig signingConfigs.release
+        }
+    }
+}
diff --git a/Diagnostics/WebServer/app/src/debug/AndroidManifest.xml b/Diagnostics/WebServer/app/src/debug/AndroidManifest.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+	package="com.commonsware.android.debug.webserver">
+
+	<application>
+		<activity
+			android:name="PicassoDiagnosticActivity"
+			android:label="@string/picasso_diagnostics"
+			android:theme="@android:style/Theme.NoDisplay"
+			android:taskAffinity="com.commonsware.android.debug.activity.PicassoDiagnosticActivity">
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN"/>
+
+				<category android:name="android.intent.category.LAUNCHER"/>
+			</intent-filter>
+		</activity>
+		<service android:name="PicassoDiagnosticService" />
+	</application>
+
+</manifest>
diff --git a/Diagnostics/WebServer/app/src/debug/assets/picasso.hbs b/Diagnostics/WebServer/app/src/debug/assets/picasso.hbs
@@ -0,0 +1,24 @@
+<html>
+<head><title>Picasso Diagnostics</title></head>
+<body>
+<h1>Picasso Diagnostics</h1>
+<table>
+<tr><th style="text-align:right; padding-right:16px;">Timestamp</th><td>{{timeStamp}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Average Download Size</th><td>{{averageDownloadSize}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Average Original Bitmap Size</th><td>{{averageOriginalBitmapSize}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Average Transformed Bitmap Size</th><td>{{averageTransformedBitmapSize}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Cache Hits</th><td>{{cacheHits}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Cache Misses</th><td>{{cacheMisses}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Download Count</th><td>{{downloadCount}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Max Size</th><td>{{maxSize}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Original Bitmap Count</th><td>{{originalBitmapCount}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Size</th><td>{{size}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Total Download Size</th><td>{{totalDownloadSize}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Total Original Bitmap Size</th><td>{{totalOriginalBitmapSize}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Total Transformed Bitmap Size</th><td>{{totalTransformedBitmapSize}}</td></tr>
+<tr><th style="text-align:right; padding-right:16px;">Transformed Bitmap Count</th><td>{{transformedBitmapCount}}</td></tr>
+</table>
+<hr/>
+<a href="/stop">Stop Service</a>
+</body>
+</html>
diff --git a/...app/src/debug/java/com/commonsware/android/debug/webserver/PicassoDiagnosticActivity.java b/...app/src/debug/java/com/commonsware/android/debug/webserver/PicassoDiagnosticActivity.java
@@ -0,0 +1,31 @@
+/***
+ Copyright (c) 2015 CommonsWare, LLC
+ 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.
+
+ From _The Busy Coder's Guide to Android Development_
+ http://commonsware.com/Android
+ */
+
+package com.commonsware.android.debug.webserver;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+public class PicassoDiagnosticActivity extends Activity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    startService(new Intent(this, PicassoDiagnosticService.class));
+    Toast.makeText(this, "Service running!", Toast.LENGTH_LONG).show();
+    finish();
+  }
+}
diff --git a/.../app/src/debug/java/com/commonsware/android/debug/webserver/PicassoDiagnosticService.java b/.../app/src/debug/java/com/commonsware/android/debug/webserver/PicassoDiagnosticService.java
@@ -0,0 +1,141 @@
+/***
+ Copyright (c) 2015 CommonsWare, LLC
+ 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.
+
+ From _The Busy Coder's Guide to Android Development_
+ http://commonsware.com/Android
+ */
+
+package com.commonsware.android.debug.webserver;
+
+import android.app.Service;
+import android.content.Intent;
+import android.content.res.AssetManager;
+import android.os.IBinder;
+import android.text.format.DateUtils;
+import android.util.Log;
+import com.github.jknack.handlebars.Context;
+import com.github.jknack.handlebars.Handlebars;
+import com.github.jknack.handlebars.Template;
+import com.github.jknack.handlebars.context.FieldValueResolver;
+import com.github.jknack.handlebars.io.AbstractTemplateLoader;
+import com.github.jknack.handlebars.io.StringTemplateSource;
+import com.github.jknack.handlebars.io.TemplateSource;
+import com.koushikdutta.async.http.server.AsyncHttpServer;
+import com.koushikdutta.async.http.server.AsyncHttpServerRequest;
+import com.koushikdutta.async.http.server.AsyncHttpServerResponse;
+import com.koushikdutta.async.http.server.HttpServerRequestCallback;
+import com.squareup.picasso.Picasso;
+import com.squareup.picasso.StatsSnapshot;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+public class PicassoDiagnosticService extends Service {
+  private AsyncHttpServer server;
+  private Handlebars handlebars;
+  private Template t;
+
+  @Override
+  public void onCreate() {
+    super.onCreate();
+
+    handlebars=new Handlebars(new AssetTemplateLoader(getAssets()));
+    server=new AsyncHttpServer();
+
+    try {
+      t=handlebars.compile("picasso.hbs");
+      server.get("/", new MainRequestCallback());
+      server.get("/stop", new StopRequestCallback());
+      server.listen(4999);
+    }
+    catch (IOException e) {
+      Log.e(getClass().getSimpleName(),
+          "Exception starting Web server", e);
+    }
+  }
+
+  @Override
+  public void onDestroy() {
+    server.stop();
+
+    super.onDestroy();
+  }
+
+  @Override
+  public IBinder onBind(Intent intent) {
+    return(null);
+  }
+
+  private class MainRequestCallback implements HttpServerRequestCallback {
+    @Override
+    public void onRequest(AsyncHttpServerRequest request, AsyncHttpServerResponse response) {
+      try {
+        StatsSnapshot ss=Picasso
+            .with(PicassoDiagnosticService.this)
+            .getSnapshot();
+        String formattedTime=DateUtils.formatDateTime(PicassoDiagnosticService.this,
+            ss.timeStamp,
+            DateUtils.FORMAT_SHOW_TIME);
+
+        Context ctxt=Context
+            .newBuilder(ss)
+            .combine("formattedTime", formattedTime)
+            .resolver(FieldValueResolver.INSTANCE)
+            .build();
+
+        response.send(t.apply(ctxt));
+        ctxt.destroy();
+      }
+      catch (IOException e) {
+        Log.e(getClass().getSimpleName(),
+            "Exception serving Web page", e);
+      }
+    }
+  }
+
+  private class StopRequestCallback implements HttpServerRequestCallback {
+    @Override
+    public void onRequest(AsyncHttpServerRequest request, AsyncHttpServerResponse response) {
+      response.send("Goodbye, cruel world!");
+      stopSelf();
+    }
+  }
+
+  private static class AssetTemplateLoader
+      extends AbstractTemplateLoader {
+    private final AssetManager mgr;
+
+    AssetTemplateLoader(AssetManager mgr) {
+      this.mgr=mgr;
+    }
+
+    @Override
+    public TemplateSource sourceAt(String s) throws IOException {
+      return(new StringTemplateSource(s, slurp(mgr.open(s))));
+    }
+  }
+
+  // inspired by http://stackoverflow.com/a/309718/115145
+
+  public static String slurp(final InputStream is) throws IOException {
+    final char[] buffer=new char[1024];
+    final StringBuilder out=new StringBuilder();
+    final InputStreamReader in=new InputStreamReader(is, "UTF-8");
+
+    while (true) {
+      int rsz=in.read(buffer, 0, buffer.length);
+      if (rsz < 0)
+        break;
+      out.append(buffer, 0, rsz);
+    }
+
+    return(out.toString());
+  }
+}