Squashed History

src/main/java/org/whispersystems/textsecuregcm/push/GCMSender.java

@@ -0,0 +1,63 @@
+/**
+ * Copyright (C) 2013 Open WhisperSystems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.whispersystems.textsecuregcm.push;
+
+import com.google.android.gcm.server.Constants;
+import com.google.android.gcm.server.Message;
+import com.google.android.gcm.server.Result;
+import com.google.android.gcm.server.Sender;
+import com.yammer.metrics.Metrics;
+import com.yammer.metrics.core.Meter;
+import org.whispersystems.textsecuregcm.controllers.NoSuchUserException;
+import org.whispersystems.textsecuregcm.entities.EncryptedOutgoingMessage;
+
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
+public class GCMSender {
+
+  private final Meter success = Metrics.newMeter(GCMSender.class, "sent", "success", TimeUnit.MINUTES);
+  private final Meter failure = Metrics.newMeter(GCMSender.class, "sent", "failure", TimeUnit.MINUTES);
+
+  private final Sender sender;
+
+  public GCMSender(String apiKey) {
+    this.sender = new Sender(apiKey);
+  }
+
+  public String sendMessage(String gcmRegistrationId, EncryptedOutgoingMessage outgoingMessage)
+      throws IOException, NoSuchUserException
+  {
+    Message gcmMessage = new Message.Builder().addData("type", "message")
+                                              .addData("message", outgoingMessage.serialize())
+                                              .build();
+
+    Result  result = sender.send(gcmMessage, gcmRegistrationId, 5);
+
+    if (result.getMessageId() != null) {
+      success.mark();
+      return result.getCanonicalRegistrationId();
+    } else {
+      failure.mark();
+      if (result.getErrorCodeName().equals(Constants.ERROR_NOT_REGISTERED)) {
+        throw new NoSuchUserException("User no longer registered with GCM.");
+      } else {
+        throw new IOException("GCM Failed: " + result.getErrorCodeName());
+      }
+    }
+  }
+}