Program Listing for File Duration.hpp

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/*
 * Copyright 2010, Object Management Group, Inc.
 * Copyright 2010, PrismTech, Corp.
 * Copyright 2010, Real-Time Innovations, Inc.
 * Copyright 2019, Proyectos y Sistemas de Mantenimiento SL (eProsima).
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OMG_DDS_CORE_DURATION_HPP_
#define OMG_DDS_CORE_DURATION_HPP_

#include <dds/core/types.hpp>

namespace dds {
namespace core {

class OMG_DDS_API Duration
{
public:

    static const Duration zero();       // {0, 0}

    static const Duration infinite();   // {0x7fffffff, 0x7fffffff}

    Duration();

    explicit Duration(
            int32_t sec,
            uint32_t nanosec = 0);

#if __cplusplus >= 199711L
    explicit Duration(
            int64_t sec,
            uint32_t nanosec = 0);
#endif

    static const Duration from_microsecs(
            int64_t microseconds);

    static const Duration from_millisecs(
            int64_t milliseconds);

    static const Duration from_secs(
            double seconds);

    int64_t sec() const;
    void sec(
            int64_t s);

    uint32_t nanosec() const;
    void nanosec(
            uint32_t ns);

    int compare(
            const Duration& that) const;

    bool operator >(
            const Duration& that) const;

    bool operator >=(
            const Duration& that) const;

    bool operator !=(
            const Duration& that) const;

    bool operator ==(
            const Duration& that) const;

    bool operator <=(
            const Duration& that) const;

    bool operator <(
            const Duration& that) const;

    Duration& operator +=(
            const Duration& a_ti);

    Duration& operator -=(
            const Duration& a_ti);

    Duration& operator *=(
            uint64_t factor);

    const Duration operator +(
            const Duration& other) const;

    const Duration operator -(
            const Duration& other) const;
    int64_t to_millisecs() const;

    int64_t to_microsecs() const;

    double to_secs() const;

private:

    int32_t sec_ = 0;
    uint32_t nsec_ = 0;
};

const Duration OMG_DDS_API operator *(
        uint64_t lhs,
        const Duration& rhs);

const Duration OMG_DDS_API operator *(
        const Duration& lhs,
        uint64_t rhs);

const Duration OMG_DDS_API operator /(
        const Duration& lhs,
        uint64_t rhs);

} //namespace core
} //namespace dds

#endif //OMG_DDS_CORE_DURATION_HPP_