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-rw-r--r--toolkit/components/telemetry/TelemetryCommon.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/toolkit/components/telemetry/TelemetryCommon.cpp b/toolkit/components/telemetry/TelemetryCommon.cpp
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+++ b/toolkit/components/telemetry/TelemetryCommon.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsITelemetry.h"
+#include "nsVersionComparator.h"
+#include "mozilla/TimeStamp.h"
+#include "nsIConsoleService.h"
+#include "nsThreadUtils.h"
+
+#include "TelemetryCommon.h"
+
+#include <cstring>
+
+namespace mozilla {
+namespace Telemetry {
+namespace Common {
+
+bool
+IsExpiredVersion(const char* aExpiration)
+{
+ MOZ_ASSERT(aExpiration);
+ // Note: We intentionally don't construct a static Version object here as we
+ // saw odd crashes around this (see bug 1334105).
+ return strcmp(aExpiration, "never") && strcmp(aExpiration, "default") &&
+ (mozilla::Version(aExpiration) <= MOZ_APP_VERSION);
+}
+
+bool
+IsInDataset(uint32_t aDataset, uint32_t aContainingDataset)
+{
+ if (aDataset == aContainingDataset) {
+ return true;
+ }
+
+ // The "optin on release channel" dataset is a superset of the
+ // "optout on release channel one".
+ if (aContainingDataset == nsITelemetry::DATASET_RELEASE_CHANNEL_OPTIN &&
+ aDataset == nsITelemetry::DATASET_RELEASE_CHANNEL_OPTOUT) {
+ return true;
+ }
+
+ return false;
+}
+
+bool
+CanRecordDataset(uint32_t aDataset, bool aCanRecordBase, bool aCanRecordExtended)
+{
+ // If we are extended telemetry is enabled, we are allowed to record
+ // regardless of the dataset.
+ if (aCanRecordExtended) {
+ return true;
+ }
+
+ // If base telemetry data is enabled and we're trying to record base
+ // telemetry, allow it.
+ if (aCanRecordBase &&
+ IsInDataset(aDataset, nsITelemetry::DATASET_RELEASE_CHANNEL_OPTOUT)) {
+ return true;
+ }
+
+ // We're not recording extended telemetry or this is not the base
+ // dataset. Bail out.
+ return false;
+}
+
+nsresult
+MsSinceProcessStart(double* aResult)
+{
+ bool error;
+ *aResult = (TimeStamp::NowLoRes() -
+ TimeStamp::ProcessCreation(error)).ToMilliseconds();
+ if (error) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ return NS_OK;
+}
+
+void
+LogToBrowserConsole(uint32_t aLogLevel, const nsAString& aMsg)
+{
+ if (!NS_IsMainThread()) {
+ nsString msg(aMsg);
+ nsCOMPtr<nsIRunnable> task =
+ NS_NewRunnableFunction([aLogLevel, msg]() { LogToBrowserConsole(aLogLevel, msg); });
+ NS_DispatchToMainThread(task.forget(), NS_DISPATCH_NORMAL);
+ return;
+ }
+
+ nsCOMPtr<nsIConsoleService> console(do_GetService("@mozilla.org/consoleservice;1"));
+ if (!console) {
+ NS_WARNING("Failed to log message to console.");
+ return;
+ }
+
+ nsCOMPtr<nsIScriptError> error(do_CreateInstance(NS_SCRIPTERROR_CONTRACTID));
+ error->Init(aMsg, EmptyString(), EmptyString(), 0, 0, aLogLevel, "chrome javascript");
+ console->LogMessage(error);
+}
+
+} // namespace Common
+} // namespace Telemetry
+} // namespace mozilla