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// Copyright (c) 2002 David Muse
// See the COPYING file for more information.
#ifndef RUDIMENTS_HOSTENTRY_H
#define RUDIMENTS_HOSTENTRY_H
#include <rudiments/private/hostentryincludes.h>
// The hostentry class provides methods for retrieving entries from /etc/hosts
class hostentry {
public:
// If you need to quickly look up a specific field, use one of
// these methods.
//
// These methods return true on success and false on failure.
static bool getAliasList(const char *hostname,
char ***aliaslist);
static bool getAddressType(const char *hostname,
int *addresstype);
static bool getAddressLength(const char *hostname,
int *addresslength);
static bool getAddressList(const char *hostname,
char ***addresslist);
static bool getAddressString(const char *hostname,
int index,
char **addressstring);
static bool getName(const char *address,
int len, int type,
char **name);
static bool getAliasList(const char *address,
int len, int type,
char ***aliaslist);
static bool getAddressList(const char *address,
int len, int type,
char ***addresslist);
static bool getAddressString(const char *address,
int len, int type,
int index,
char **addressstring);
// If you need to look up a host entry and refer to multiple
// fields, use these methods.
hostentry();
~hostentry();
bool initialize(const char *hostname);
// Looks up a host entry by name.
bool initialize(const char *address, int len, int type);
// Looks up a host entry by address.
char *getName() const;
char **getAliasList() const;
int getAddressType() const;
int getAddressLength() const;
char **getAddressList() const;
char *getAddressString(int index) const;
void print() const;
// Prints out the host entry.
#ifdef RUDIMENTS_HAS_THREADS
static bool needsMutex();
// If your system doesn't support gethostbyname_r()
// and gethostbyaddr_r() then this class needs a
// mutex to assure thread safety.
//
// This method returns true if this class needs a mutex
// to operate safely in a threaded environment and false
// otherwise.
static void setMutex(pthread_mutex_t *mutex);
// Allows you to supply a mutex is the class needs it.
// If your application is not multithreaded, then
// there is no need to supply a mutex.
#endif
#include <rudiments/private/hostentry.h>
};
#endif
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