MediaEndpointSessionConfiguration.h   [plain text]

/*
 * Copyright (C) 2015 Ericsson AB. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of Ericsson nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 */

#ifndef MediaEndpointSessionConfiguration_h
#define MediaEndpointSessionConfiguration_h

#if ENABLE(WEB_RTC)

#include "PeerMediaDescription.h"
#include <wtf/CryptographicallyRandomNumber.h>

namespace WebCore {

class MediaEndpointSessionConfiguration : public RefCounted<MediaEndpointSessionConfiguration> {
public:
    static RefPtr<MediaEndpointSessionConfiguration> create()
    {
        return adoptRef(new MediaEndpointSessionConfiguration());
    }
    virtual ~MediaEndpointSessionConfiguration() { }

    uint64_t sessionId() const { return m_sessionId; }
    void setSessionId(uint64_t sessionId) { m_sessionId = sessionId; }

    unsigned sessionVersion() const { return m_sessionVersion; }
    void setSessionVersion(unsigned sessionVersion) { m_sessionVersion = sessionVersion; }

    const Vector<RefPtr<PeerMediaDescription>>& mediaDescriptions() const { return m_mediaDescriptions; }
    void addMediaDescription(RefPtr<PeerMediaDescription>&& description) { m_mediaDescriptions.append(WTFMove(description)); }

    RefPtr<MediaEndpointSessionConfiguration> clone() const
    {
        RefPtr<MediaEndpointSessionConfiguration> copy = create();
        copy->m_sessionId = m_sessionId;
        copy->m_sessionVersion = m_sessionVersion;

        for (auto& mdesc : m_mediaDescriptions)
            copy->m_mediaDescriptions.append(mdesc->clone());

        return copy;
    }

private:
    MediaEndpointSessionConfiguration()
    {
        m_sessionId = cryptographicallyRandomNumber();
        m_sessionId = m_sessionId << 32 | cryptographicallyRandomNumber();
    }

    uint64_t m_sessionId;
    unsigned m_sessionVersion { 0 };

    Vector<RefPtr<PeerMediaDescription>> m_mediaDescriptions;
};

} // namespace WebCore

#endif // ENABLE(WEB_RTC)

#endif // MediaEndpointSessionConfiguration_h