Wt::WRandom Class Reference

Random number generator. More...

#include <Wt/WRandom>

Static Public Member Functions
static unsigned int	get ()
	Returns a random number. More...
static std::string	generateId (int length=16)
	A utility method to generate a random id. More...

Detailed Description

Random number generator.

If an implementation is available for your OS, this class generates high-entropy random numbers, suitable for secret ids (e.g. this is used to generate Wt's session IDs).

Member Function Documentation

generateId()

std::string Wt::WRandom::generateId ( int  length = 16 )

static

A utility method to generate a random id.

The id is composed of small and capitalized roman characters and numbers [a-zA-Z0-9].

See also

get()

get()

unsigned int Wt::WRandom::get ( )

static

Returns a random number.

This returns a high-entropy (non deterministic) random number on platforms for which this is supported (currently only Linux, Windows and MacOS X).