// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// The MIT License (MIT)
//
// Copyright (c) 2018-2021 www.open3d.org
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
// ----------------------------------------------------------------------------

#include "open3d/io/rpc/ZMQContext.h"

#include <mutex>
#include <zmq.hpp>
namespace {
std::shared_ptr<zmq::context_t> context_ptr;
std::mutex context_ptr_mutex;
}  // namespace

namespace open3d {
namespace io {
namespace rpc {

std::shared_ptr<zmq::context_t> GetZMQContext() {
    std::lock_guard<std::mutex> lock(context_ptr_mutex);
    if (!context_ptr) {
        context_ptr = std::make_shared<zmq::context_t>();
    }
    return context_ptr;
}

void DestroyZMQContext() {
    std::lock_guard<std::mutex> lock(context_ptr_mutex);
    context_ptr.reset();
}

}  // namespace rpc
}  // namespace io
}  // namespace open3d
