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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape security libraries.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

/*
** Base class definitions for network access functions (ref: prnetdb.h)
*/

#if defined(_RCNETDB_H)
#else
#define _RCNETDB_H

#include "rclock.h"
#include "rcbase.h"

#include <prnetdb.h>

class PR_IMPLEMENT(RCNetAddr): public RCBase
{
public:
    typedef enum {
        any = PR_IpAddrAny,             /* assign logical INADDR_ANY */
        loopback = PR_IpAddrLoopback    /* assign logical INADDR_LOOPBACK */
    } HostValue;

    RCNetAddr();                        /* default constructor is unit'd object */
    RCNetAddr(const RCNetAddr&);        /* copy constructor */
    RCNetAddr(HostValue, PRUint16 port);/* init'd w/ 'special' assignments */
    RCNetAddr(const RCNetAddr&, PRUint16 port);
                                        /* copy w/ port reassigment */

    virtual ~RCNetAddr();

    void operator=(const RCNetAddr&);

    virtual PRBool operator==(const RCNetAddr&) const;
                                        /* compare of all relavent fields */
    virtual PRBool EqualHost(const RCNetAddr&) const;
                                        /* compare of just host field */


public:

    void operator=(const PRNetAddr*);   /* construction from more primitive data */
    operator const PRNetAddr*() const;  /* extraction of underlying representation */
    virtual PRStatus FromString(const char* string);
                                        /* initialization from an ASCII string */
    virtual PRStatus ToString(char *string, PRSize size) const;
                                        /* convert internal fromat to a string */

private:

    PRNetAddr address;

};  /* RCNetAddr */

/*
** Class: RCHostLookup
**
** Abstractions to look up host names and addresses.
**
** This is a stateful class. One looks up the host by name or by
** address, then enumerates over a possibly empty array of network
** addresses. The storage for the addresses is owned by the class.
*/

class RCHostLookup: public RCBase
{
public:
    virtual ~RCHostLookup();

    RCHostLookup();

    virtual PRStatus ByName(const char* name);
    virtual PRStatus ByAddress(const RCNetAddr&);

    virtual const RCNetAddr* operator[](PRUintn);

private:
    RCLock ml;
    PRIntn max_index;
    RCNetAddr* address;

    RCHostLookup(const RCHostLookup&);
    RCHostLookup& operator=(const RCHostLookup&);
};

inline RCNetAddr::RCNetAddr(): RCBase() { }
inline RCNetAddr::operator const PRNetAddr*() const { return &address; }


#endif /* defined(_RCNETDB_H) */

/* RCNetdb.h */