/*
 * Copyright (C) 1996-2020 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */

#ifndef SQUID_ADAPTATION__SERVICE_CONFIG_H
#define SQUID_ADAPTATION__SERVICE_CONFIG_H

#include "adaptation/Elements.h"
#include "base/RefCount.h"
#include "base/YesNoNone.h"
#include "security/PeerOptions.h"
#include "SquidString.h"

namespace Adaptation
{

// manages adaptation service configuration in squid.conf
class ServiceConfig: public RefCountable
{
public:
    ServiceConfig();

    const char *methodStr() const;
    const char *vectPointStr() const;

    bool parse();

public:
    String key;    // service_configConfig name in the configuration file
    String uri;    // service_configConfig URI

    // service_configConfig URI components
    String protocol;
    String host;
    String resource;
    int port;

    Method method;   // what is being adapted (REQMOD vs RESPMOD)
    VectPoint point; // where the adaptation happens (pre- or post-cache)
    bool bypass;

    // options
    long maxConn; ///< maximum number of concurrent service transactions
    SrvBehaviour onOverload; ///< how to handle Max-Connections feature
    bool routing; ///< whether this service may determine the next service(s)
    bool ipv6;    ///< whether this service uses IPv6 transport (default IPv4)

    // security settings for adaptation service
    Security::PeerOptions secure;
    YesNoNone connectionEncryption; ///< whether this service uses only secure connections

protected:
    Method parseMethod(const char *buf) const;
    VectPoint parseVectPoint(const char *buf) const;

    /// interpret parsed values
    bool grokBool(bool &var, const char *name, const char *value);
    bool grokUri(const char *value);
    bool grokLong(long &var, const char *name, const char *value);
    /// handle on-overload configuration option
    bool grokOnOverload(SrvBehaviour &var, const char *value);
    /// handle name=value configuration option with name unknown to Squid
    virtual bool grokExtension(const char *name, const char *value);
};

} // namespace Adaptation

#endif /* SQUID_ADAPTATION__SERVICE_CONFIG_H */

