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// Copyright (c) 2013 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.
#ifndef COMPONENTS_POLICY_CORE_COMMON_POLICY_LOAD_STATUS_H_
#define COMPONENTS_POLICY_CORE_COMMON_POLICY_LOAD_STATUS_H_
#include <bitset>
#include "components/policy/policy_export.h"
namespace policy {
// UMA histogram enum for policy load status. Don't change existing constants,
// append additional constants to the end if needed.
enum PolicyLoadStatus {
// Policy load attempt started. This gets logged for each policy load attempt
// to get a baseline on the number of requests, and an arbitrary number of
// the below status codes may get added in addition.
POLICY_LOAD_STATUS_STARTED = 0,
// System failed to determine whether there's policy.
POLICY_LOAD_STATUS_QUERY_FAILED = 1,
// No policy present.
POLICY_LOAD_STATUS_NO_POLICY = 2,
// Data inaccessible, such as non-local policy file.
POLICY_LOAD_STATUS_INACCCESSIBLE = 3,
// Data missing, such as policy file not present.
POLICY_LOAD_STATUS_MISSING = 4,
// Trying with Wow64 redirection disabled.
POLICY_LOAD_STATUS_WOW64_REDIRECTION_DISABLED = 5,
// Data read error, for example file reading errors.
POLICY_LOAD_STATUS_READ_ERROR = 6,
// Data too large to process.
POLICY_LOAD_STATUS_TOO_BIG = 7,
// Parse error.
POLICY_LOAD_STATUS_PARSE_ERROR = 8,
// This must stay last.
POLICY_LOAD_STATUS_SIZE
};
// A helper for collecting statuses for a policy load operation.
class POLICY_EXPORT PolicyLoadStatusSampler {
public:
using StatusSet = std::bitset<POLICY_LOAD_STATUS_SIZE>;
PolicyLoadStatusSampler();
PolicyLoadStatusSampler(const PolicyLoadStatusSampler&) = delete;
PolicyLoadStatusSampler& operator=(const PolicyLoadStatusSampler&) = delete;
virtual ~PolicyLoadStatusSampler();
// Adds a status code.
void Add(PolicyLoadStatus status);
// Returns a set with all statuses.
const StatusSet& GetStatusSet() const { return status_bits_; }
private:
StatusSet status_bits_;
};
// A helper for generating policy load status UMA statistics. On destruction,
// records histogram samples for the collected status codes.
class POLICY_EXPORT PolicyLoadStatusUmaReporter
: public PolicyLoadStatusSampler {
public:
PolicyLoadStatusUmaReporter();
PolicyLoadStatusUmaReporter(const PolicyLoadStatusUmaReporter&) = delete;
PolicyLoadStatusUmaReporter& operator=(const PolicyLoadStatusUmaReporter&) =
delete;
~PolicyLoadStatusUmaReporter() override;
};
} // namespace policy
#endif // COMPONENTS_POLICY_CORE_COMMON_POLICY_LOAD_STATUS_H_
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