Add activity recording capability to gcm internals page. User can refresh, start/stop recording, an…

google_apis/gcm/gcm_stats_recorder.cc

+// 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.
+
+#include "google_apis/gcm/gcm_stats_recorder.h"
+
+#include <deque>
+
+#include "base/logging.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
+
+namespace gcm {
+
+const uint32 MAX_LOGGED_ACTIVITY_COUNT = 100;
+
+namespace {
+
+template <typename T>
+void InsertCircularBuffer(std::deque<T>* q, const T& item) {
+  DCHECK(q);
+  q->push_front(item);
+  if (q->size() > MAX_LOGGED_ACTIVITY_COUNT) {
+    q->pop_back();
+  }
+}
+
+}  // namespace
+
+GCMStatsRecorder::Activity::Activity()
+    : time(base::Time::Now()), type(GCMStatsRecorder::Initiated) {
+}
+
+GCMStatsRecorder::Activity::~Activity() {
+}
+
+std::string GCMStatsRecorder::Activity::GetTypeString() const {
+  switch(type) {
+    case GCMStatsRecorder::Initiated:
+      return "Initiated";
+    case GCMStatsRecorder::RetryRequested:
+      return "RetryRequested";
+    case GCMStatsRecorder::Retry:
+      return "Retry";
+    case GCMStatsRecorder::Success:
+      return "Success";
+    case GCMStatsRecorder::Intermediate:
+      return "Intermediate";
+    case GCMStatsRecorder::Failure:
+      return "Failure";
+    case GCMStatsRecorder::Error:
+      return "Error";
+    default:
+      return "Unknown";
+  }
+}
+
+GCMStatsRecorder::CheckinActivity::CheckinActivity()
+    : android_id(0) {
+}
+
+GCMStatsRecorder::CheckinActivity::~CheckinActivity() {
+}
+
+GCMStatsRecorder::RegisterActivity::RegisterActivity() {
+}
+
+GCMStatsRecorder::RegisterActivity::~RegisterActivity() {
+}
+
+GCMStatsRecorder::SendMessageActivity::SendMessageActivity()
+    : message_len(0) {
+}
+
+GCMStatsRecorder::SendMessageActivity::~SendMessageActivity() {
+}
+
+GCMStatsRecorder::ReceiveMessageActivity::ReceiveMessageActivity()
+    : message_size(0) {
+}
+
+GCMStatsRecorder::ReceiveMessageActivity::~ReceiveMessageActivity() {
+}
+
+GCMStatsRecorder::GCMStatsRecorder() : is_recording_(false) {
+}
+
+GCMStatsRecorder::~GCMStatsRecorder() {
+}
+
+void GCMStatsRecorder::SetRecording(bool recording) {
+  is_recording_ = recording;
+}
+
+void GCMStatsRecorder::Clear() {
+  checkin_activities_.clear();
+  register_activities_.clear();
+  send_activities_.clear();
+  receive_activities_.clear();
+}
+
+void GCMStatsRecorder::RecordCheckin(uint64 android_id, ActivityType type){
+  if (!is_recording_)
+    return;
+  CheckinActivity data;
+  data.type = type;
+  data.android_id = android_id;
+  InsertCircularBuffer(&checkin_activities_, data);

[jianli, 2014/03/18 23:53:23]

It might be a bit more efficient by doing something like:
  CheckinActivity* data = InsertCircularBuffer(&checkin_activities);
  data->type = type;
  ...

InsertCircularBuffer will return the pointer to the inserted data.

[juyik, 2014/03/20 01:09:53]

Done.

+}
+
+void GCMStatsRecorder::RecordRegister(
+    const std::string& app_id,
+    ActivityType type,
+    const std::vector<std::string>& sender_id) {
+  if (!is_recording_)
+    return;
+  RegisterActivity data;
+  data.type = type;
+  data.app_id = app_id;
+  data.sender_id = JoinString(sender_id, ',');
+  InsertCircularBuffer(&register_activities_, data);
+}
+
+void GCMStatsRecorder::RecordRegisterWithStatus(
+    const std::string& app_id,
+    ActivityType type,
+    const std::vector<std::string>& sender_id,
+    std::string status) {
+  if (!is_recording_)
+    return;
+  RegisterActivity data;
+  data.type = type;
+  data.app_id = app_id;
+  data.sender_id = JoinString(sender_id, ',');
+  data.details = status;
+  InsertCircularBuffer(&register_activities_, data);
+}
+
+void GCMStatsRecorder::RecordSend(const std::string& app_id,
+                                  ActivityType type,
+                                  const std::string& receiver_id,
+                                  const std::string& message_id,
+                                  uint64 msg_len) {
+  if (!is_recording_)
+    return;
+  RecordSendWithDetails(app_id,
+                        type,
+                        receiver_id,
+                        message_id,
+                        msg_len,
+                        std::string());
+}
+
+void GCMStatsRecorder::RecordSendWithDetails(const std::string& app_id,
+                                             ActivityType type,
+                                             const std::string& receiver_id,
+                                             const std::string& message_id,
+                                             uint64 msg_len,

[fgorski, 2014/03/18 21:28:37]

you are not using msg_len

[juyik, 2014/03/20 01:09:53]

Done.

+                                             const std::string& details) {
+  if (!is_recording_)
+    return;
+  SendMessageActivity data;
+  data.type = type;
+  data.app_id = app_id;
+  data.receiver_id = receiver_id;
+  data.message_id = message_id;
+  data.details = details;
+  InsertCircularBuffer(&send_activities_, data);
+}
+
+void GCMStatsRecorder::RecordReceiveDataMessage(const std::string& sender_id,
+                                                const std::string& app_id,
+                                                int message_size) {
+  if (!is_recording_)
+    return;
+  ReceiveMessageActivity data;
+  data.type = GCMStatsRecorder::Success;
+  data.app_id = app_id;
+  data.sender_id = sender_id;
+  data.message_size = message_size;
+  InsertCircularBuffer(&receive_activities_, data);
+}
+
+void GCMStatsRecorder::RecordReceiveWithDetails(ActivityType type,
+                                                const std::string& sender_id,
+                                                const std::string& app_id,
+                                                const std::string& details) {
+  if (!is_recording_)
+    return;
+  ReceiveMessageActivity data;
+  data.type = type;
+  data.app_id = app_id;
+  data.sender_id = sender_id;
+  data.details = details;
+  InsertCircularBuffer(&receive_activities_, data);
+}
+
+}  // namespace gcm