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rcnetdb.h (2597B)

      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 /*
      7 ** Base class definitions for network access functions (ref: prnetdb.h)
      8 */
      9 
     10 #if defined(_RCNETDB_H)
     11 #else
     12 #define _RCNETDB_H
     13 
     14 #include "rclock.h"
     15 #include "rcbase.h"
     16 
     17 #include <prnetdb.h>
     18 
     19 class PR_IMPLEMENT(RCNetAddr): public RCBase
     20 {
     21 public:
     22    typedef enum {
     23        any = PR_IpAddrAny,             /* assign logical INADDR_ANY */
     24        loopback = PR_IpAddrLoopback    /* assign logical INADDR_LOOPBACK */
     25    } HostValue;
     26 
     27    RCNetAddr();                        /* default constructor is unit'd object */
     28    RCNetAddr(const RCNetAddr&);        /* copy constructor */
     29    RCNetAddr(HostValue, PRUint16 port);/* init'd w/ 'special' assignments */
     30    RCNetAddr(const RCNetAddr&, PRUint16 port);
     31    /* copy w/ port reassigment */
     32 
     33    virtual ~RCNetAddr();
     34 
     35    void operator=(const RCNetAddr&);
     36 
     37    virtual PRBool operator==(const RCNetAddr&) const;
     38    /* compare of all relavent fields */
     39    virtual PRBool EqualHost(const RCNetAddr&) const;
     40    /* compare of just host field */
     41 
     42 
     43 public:
     44 
     45    void operator=(const PRNetAddr*);   /* construction from more primitive data */
     46    operator const PRNetAddr*() const;  /* extraction of underlying representation */
     47    virtual PRStatus FromString(const char* string);
     48    /* initialization from an ASCII string */
     49    virtual PRStatus ToString(char *string, PRSize size) const;
     50    /* convert internal fromat to a string */
     51 
     52 private:
     53 
     54    PRNetAddr address;
     55 
     56 };  /* RCNetAddr */
     57 
     58 /*
     59 ** Class: RCHostLookup
     60 **
     61 ** Abstractions to look up host names and addresses.
     62 **
     63 ** This is a stateful class. One looks up the host by name or by
     64 ** address, then enumerates over a possibly empty array of network
     65 ** addresses. The storage for the addresses is owned by the class.
     66 */
     67 
     68 class RCHostLookup: public RCBase
     69 {
     70 public:
     71    virtual ~RCHostLookup();
     72 
     73    RCHostLookup();
     74 
     75    virtual PRStatus ByName(const char* name);
     76    virtual PRStatus ByAddress(const RCNetAddr&);
     77 
     78    virtual const RCNetAddr* operator[](PRUintn);
     79 
     80 private:
     81    RCLock ml;
     82    PRIntn max_index;
     83    RCNetAddr* address;
     84 
     85    RCHostLookup(const RCHostLookup&);
     86    RCHostLookup& operator=(const RCHostLookup&);
     87 };
     88 
     89 inline RCNetAddr::RCNetAddr(): RCBase() { }
     90 inline RCNetAddr::operator const PRNetAddr*() const {
     91    return &address;
     92 }
     93 
     94 
     95 #endif /* defined(_RCNETDB_H) */
     96 
     97 /* RCNetdb.h */