Extract PackagerConnectionSettings to ensure easier reusability of Pa…

…ckagerConnection module

Reviewed By: cwdick

Differential Revision: D4689535

fbshipit-source-id: f698837f407a03bf91521cc5e921c66f5755e6e0

ReactAndroid/src/main/java/com/facebook/react/devsupport/DevInternalSettings.java

@@ -17,6 +17,7 @@
 
 import com.facebook.react.common.annotations.VisibleForTesting;
 import com.facebook.react.modules.debug.interfaces.DeveloperSettings;
+import com.facebook.react.packagerconnection.PackagerConnectionSettings;
 
 /**
  * Helper class for accessing developers settings that should not be accessed outside of the package
@@ -31,7 +32,6 @@ public class DevInternalSettings implements
   private static final String PREFS_FPS_DEBUG_KEY = "fps_debug";
   private static final String PREFS_JS_DEV_MODE_DEBUG_KEY = "js_dev_mode_debug";
   private static final String PREFS_JS_MINIFY_DEBUG_KEY = "js_minify_debug";
-  private static final String PREFS_DEBUG_SERVER_HOST_KEY = "debug_http_host";
   private static final String PREFS_ANIMATIONS_DEBUG_KEY = "animations_debug";
   private static final String PREFS_RELOAD_ON_JS_CHANGE_KEY = "reload_on_js_change";
   private static final String PREFS_INSPECTOR_DEBUG_KEY = "inspector_debug";
@@ -40,13 +40,19 @@ public class DevInternalSettings implements
 
   private final SharedPreferences mPreferences;
   private final Listener mListener;
+  private final PackagerConnectionSettings mPackagerConnectionSettings;
 
   public DevInternalSettings(
       Context applicationContext,
       Listener listener) {
     mListener = listener;
     mPreferences = PreferenceManager.getDefaultSharedPreferences(applicationContext);
     mPreferences.registerOnSharedPreferenceChangeListener(this);
+    mPackagerConnectionSettings = new PackagerConnectionSettings(applicationContext);
+  }
+
+  public PackagerConnectionSettings getPackagerConnectionSettings() {
+    return mPackagerConnectionSettings;
   }
 
   @Override
@@ -73,10 +79,6 @@ public boolean isJSMinifyEnabled() {
     return mPreferences.getBoolean(PREFS_JS_MINIFY_DEBUG_KEY, false);
   }
 
-  public @Nullable String getDebugServerHost() {
-    return mPreferences.getString(PREFS_DEBUG_SERVER_HOST_KEY, null);
-  }
-
   public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
     if (mListener != null) {
       if (PREFS_FPS_DEBUG_KEY.equals(key) ||

ReactAndroid/src/main/java/com/facebook/react/devsupport/DevServerHelper.java

@@ -73,7 +73,6 @@ public class DevServerHelper {
   private static final String ONCHANGE_ENDPOINT_URL_FORMAT =
       "http://%s/onchange";
   private static final String WEBSOCKET_PROXY_URL_FORMAT = "ws://%s/debugger-proxy?role=client";
-  private static final String PACKAGER_CONNECTION_URL_FORMAT = "ws://%s/message?role=android-rn-devserverhelper";
   private static final String PACKAGER_STATUS_URL_FORMAT = "http://%s/status";
   private static final String HEAP_CAPTURE_UPLOAD_URL_FORMAT = "http://%s/jscheapcaptureupload";
   private static final String INSPECTOR_DEVICE_URL_FORMAT = "http://%s/inspector/device?name=%s";
@@ -152,7 +151,7 @@ public void onRequest(@Nullable Object params, JSPackagerClient.Responder respon
         });
         handlers.putAll(new FileIoHandler().handlers());
 
-        mPackagerClient = new JSPackagerClient(getPackagerConnectionURL(), handlers);
+        mPackagerClient = new JSPackagerClient("devserverhelper", mSettings.getPackagerConnectionSettings(), handlers);
         mPackagerClient.init();
 
         return null;
@@ -213,22 +212,18 @@ public static String getReloadAppAction(Context context) {
   }
 
   public String getWebsocketProxyURL() {
-    return String.format(Locale.US, WEBSOCKET_PROXY_URL_FORMAT, getDebugServerHost());
-  }
-
-  private String getPackagerConnectionURL() {
-    return String.format(Locale.US, PACKAGER_CONNECTION_URL_FORMAT, getDebugServerHost());
+    return String.format(Locale.US, WEBSOCKET_PROXY_URL_FORMAT, mSettings.getPackagerConnectionSettings().getDebugServerHost());
   }
 
   public String getHeapCaptureUploadUrl() {
-    return String.format(Locale.US, HEAP_CAPTURE_UPLOAD_URL_FORMAT, getDebugServerHost());
+    return String.format(Locale.US, HEAP_CAPTURE_UPLOAD_URL_FORMAT, mSettings.getPackagerConnectionSettings().getDebugServerHost());
   }
 
   public String getInspectorDeviceUrl() {
     return String.format(
         Locale.US,
         INSPECTOR_DEVICE_URL_FORMAT,
-        getDebugServerHost(),
+        mSettings.getPackagerConnectionSettings().getDebugServerHost(),
         AndroidInfoHelpers.getFriendlyDeviceName());
   }
 
@@ -260,30 +255,6 @@ private boolean getHMR() {
     return mSettings.isHotModuleReplacementEnabled();
   }
 
-  /**
-   * @return the host to use when connecting to the bundle server.
-   */
-  private String getDebugServerHost() {
-    // Check debug server host setting first. If empty try to detect emulator type and use default
-    // hostname for those
-    String hostFromSettings = mSettings.getDebugServerHost();
-
-    if (!TextUtils.isEmpty(hostFromSettings)) {
-      return Assertions.assertNotNull(hostFromSettings);
-    }
-
-    String host = AndroidInfoHelpers.getServerHost();
-
-    if (host.equals(AndroidInfoHelpers.DEVICE_LOCALHOST)) {
-      FLog.w(
-        ReactConstants.TAG,
-        "You seem to be running on device. Run 'adb reverse tcp:8081 tcp:8081' " +
-          "to forward the debug server's port to the device.");
-    }
-
-    return host;
-  }
-
   private static String createBundleURL(String host, String jsModulePath, boolean devMode, boolean hmr, boolean jsMinify) {
     return String.format(Locale.US, BUNDLE_URL_FORMAT, host, jsModulePath, devMode, hmr, jsMinify);
   }
@@ -294,7 +265,7 @@ private static String createResourceURL(String host, String resourcePath) {
 
   public String getDevServerBundleURL(final String jsModulePath) {
     return createBundleURL(
-      getDebugServerHost(),
+      mSettings.getPackagerConnectionSettings().getDebugServerHost(),
       jsModulePath,
       getDevMode(),
       getHMR(),
@@ -438,7 +409,7 @@ public void cancelDownloadBundleFromURL() {
   }
 
   public void isPackagerRunning(final PackagerStatusCallback callback) {
-    String statusURL = createPackagerStatusURL(getDebugServerHost());
+    String statusURL = createPackagerStatusURL(mSettings.getPackagerConnectionSettings().getDebugServerHost());
     Request request = new Request.Builder()
         .url(statusURL)
         .build();
@@ -558,11 +529,11 @@ public void onResponse(Call call, Response response) throws IOException {
   }
 
   private String createOnChangeEndpointUrl() {
-    return String.format(Locale.US, ONCHANGE_ENDPOINT_URL_FORMAT, getDebugServerHost());
+    return String.format(Locale.US, ONCHANGE_ENDPOINT_URL_FORMAT, mSettings.getPackagerConnectionSettings().getDebugServerHost());
   }
 
   private String createLaunchJSDevtoolsCommandUrl() {
-    return String.format(Locale.US, LAUNCH_JS_DEVTOOLS_COMMAND_URL_FORMAT, getDebugServerHost());
+    return String.format(Locale.US, LAUNCH_JS_DEVTOOLS_COMMAND_URL_FORMAT, mSettings.getPackagerConnectionSettings().getDebugServerHost());
   }
 
   public void launchJSDevtools() {
@@ -584,11 +555,11 @@ public void onResponse(Call call, Response response) throws IOException {
   }
 
   public String getSourceMapUrl(String mainModuleName) {
-    return String.format(Locale.US, SOURCE_MAP_URL_FORMAT, getDebugServerHost(), mainModuleName, getDevMode(), getHMR(), getJSMinifyMode());
+    return String.format(Locale.US, SOURCE_MAP_URL_FORMAT, mSettings.getPackagerConnectionSettings().getDebugServerHost(), mainModuleName, getDevMode(), getHMR(), getJSMinifyMode());
   }
 
   public String getSourceUrl(String mainModuleName) {
-    return String.format(Locale.US, BUNDLE_URL_FORMAT, getDebugServerHost(), mainModuleName, getDevMode(), getHMR(), getJSMinifyMode());
+    return String.format(Locale.US, BUNDLE_URL_FORMAT, mSettings.getPackagerConnectionSettings().getDebugServerHost(), mainModuleName, getDevMode(), getHMR(), getJSMinifyMode());
   }
 
   public String getJSBundleURLForRemoteDebugging(String mainModuleName) {
@@ -607,7 +578,7 @@ public String getJSBundleURLForRemoteDebugging(String mainModuleName) {
   public @Nullable File downloadBundleResourceFromUrlSync(
       final String resourcePath,
       final File outputFile) {
-    final String resourceURL = createResourceURL(getDebugServerHost(), resourcePath);
+    final String resourceURL = createResourceURL(mSettings.getPackagerConnectionSettings().getDebugServerHost(), resourcePath);
     final Request request = new Request.Builder()
         .url(resourceURL)
         .build();

ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/BUCK

@@ -2,15 +2,33 @@ include_defs("//ReactAndroid/DEFS")
 
 android_library(
     name = "systeminfo",
-    srcs = glob(["**/*.java"]),
+    srcs = [
+        "AndroidInfoModule.java",
+    ],
+    exported_deps = [
+        ":systeminfo-moduleless",
+    ],
     visibility = [
         "PUBLIC",
     ],
     deps = [
-        react_native_dep("third-party/java/infer-annotations:infer-annotations"),
         react_native_dep("third-party/java/jsr-305:jsr-305"),
         react_native_target("java/com/facebook/react/bridge:bridge"),
         react_native_target("java/com/facebook/react/common:common"),
         react_native_target("java/com/facebook/react/module/annotations:annotations"),
     ],
 )
+
+android_library(
+    name = "systeminfo-moduleless",
+    srcs = [
+        "AndroidInfoHelpers.java",
+    ],
+    visibility = [
+        "PUBLIC",
+    ],
+    deps = [
+        react_native_dep("third-party/java/infer-annotations:infer-annotations"),
+        react_native_dep("third-party/java/jsr-305:jsr-305"),
+    ],
+)

ReactAndroid/src/main/java/com/facebook/react/packagerconnection/BUCK

@@ -13,5 +13,6 @@ android_library(
         react_native_dep("third-party/java/okhttp:okhttp3"),
         react_native_dep("third-party/java/okhttp:okhttp3-ws"),
         react_native_dep("third-party/java/okio:okio"),
+        react_native_target("java/com/facebook/react/modules/systeminfo:systeminfo-moduleless"),
     ],
 )

ReactAndroid/src/main/java/com/facebook/react/packagerconnection/JSPackagerClient.java

@@ -13,7 +13,10 @@
 import java.util.HashMap;
 import java.util.Map;
 
+import android.net.Uri;
+
 import com.facebook.common.logging.FLog;
+import com.facebook.react.modules.systeminfo.AndroidInfoHelpers;
 
 import okhttp3.RequestBody;
 import okhttp3.ResponseBody;
@@ -26,6 +29,7 @@
  */
 final public class JSPackagerClient implements ReconnectingWebSocket.MessageCallback {
   private static final String TAG = JSPackagerClient.class.getSimpleName();
+  private static final String PACKAGER_CONNECTION_URL_FORMAT = "ws://%s/message?device=%s&app=%s&context=%s";
   private static final int PROTOCOL_VERSION = 2;
 
   public class Responder {
@@ -83,8 +87,18 @@ final public void onNotification(@Nullable Object params) {
   private ReconnectingWebSocket mWebSocket;
   private Map<String, RequestHandler> mRequestHandlers;
 
-  public JSPackagerClient(String url, Map<String, RequestHandler> requestHandlers) {
+  public JSPackagerClient(String clientId, PackagerConnectionSettings settings, Map<String, RequestHandler> requestHandlers) {
     super();
+
+    Uri.Builder builder = new Uri.Builder();
+    builder.scheme("ws")
+      .encodedAuthority(settings.getDebugServerHost())
+      .appendPath("message")
+      .appendQueryParameter("device", AndroidInfoHelpers.getFriendlyDeviceName())
+      .appendQueryParameter("app", settings.getPackageName())
+      .appendQueryParameter("clientid", clientId);
+    String url = builder.build().toString();
+
     mWebSocket = new ReconnectingWebSocket(url, this);
     mRequestHandlers = requestHandlers;
   }

ReactAndroid/src/main/java/com/facebook/react/packagerconnection/PackagerConnectionSettings.java

@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.react.packagerconnection;
+
+import javax.annotation.Nullable;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.text.TextUtils;
+
+import com.facebook.common.logging.FLog;
+import com.facebook.infer.annotation.Assertions;
+import com.facebook.react.modules.systeminfo.AndroidInfoHelpers;
+
+public class PackagerConnectionSettings {
+  private static final String TAG = PackagerConnectionSettings.class.getSimpleName();
+  private static final String PREFS_DEBUG_SERVER_HOST_KEY = "debug_http_host";
+
+  private final SharedPreferences mPreferences;
+  private final String mPackageName;
+
+  public PackagerConnectionSettings(Context applicationContext) {
+    mPreferences = PreferenceManager.getDefaultSharedPreferences(applicationContext);
+    mPackageName = applicationContext.getPackageName();
+  }
+
+  public String getDebugServerHost() {
+    // Check host setting first. If empty try to detect emulator type and use default
+    // hostname for those
+    String hostFromSettings = mPreferences.getString(PREFS_DEBUG_SERVER_HOST_KEY, null);
+
+    if (!TextUtils.isEmpty(hostFromSettings)) {
+      return Assertions.assertNotNull(hostFromSettings);
+    }
+
+    String host = AndroidInfoHelpers.getServerHost();
+
+    if (host.equals(AndroidInfoHelpers.DEVICE_LOCALHOST)) {
+      FLog.w(
+        TAG,
+        "You seem to be running on device. Run 'adb reverse tcp:8081 tcp:8081' " +
+          "to forward the debug server's port to the device.");
+    }
+
+    return host;
+  }
+
+  public @Nullable String getPackageName() {
+    return mPackageName;
+  }
+}