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// Copyright (c) 2002 David Muse
// See the COPYING file for more information.
#ifndef RUDIMENTS_PROTOCOLENTRY_H
#define RUDIMENTS_PROTOCOLENTRY_H
#include <rudiments/private/protocolentryincludes.h>
// The protocolentry class provides methods for retrieving
// entries from /etc/protocols
class protocolentry {
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 *protocolname,
char ***aliaslist);
static bool getNumber(const char *protocolname,
int *number);
static bool getName(int number, char **name);
static bool getAliasList(int number, char ***aliaslist);
// If you need to look up a protocol entry and refer to multiple
// fields, use these methods.
protocolentry();
~protocolentry();
bool initialize(const char *protocolname);
// Looks up a protocol entry by name.
// Returns true on success and false on failure.
bool initialize(int number);
// Looks up a protocol entry by number.
// Returns true on success and false on failure.
char *getName() const;
char **getAliasList() const;
int getNumber() const;
void print() const;
// Prints out the protocol entry.
#ifdef RUDIMENTS_HAS_THREADS
static bool needsMutex();
// If your system doesn't support getprotobyname_r()
// and getprotobynumber_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/protocolentry.h>
};
#endif
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