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rofl::crandom Class Reference

Public Member Functions

 crandom (size_t vallen=sizeof(uint32_t))
 
 crandom (crandom &r)
 
crandomoperator= (const crandom &r)
 
crandomrand (size_t length)
 
size_t randlen ()
 
uint8_t uint8 ()
 
uint16_t uint16 ()
 
uint32_t uint32 ()
 
uint64_t uint64 ()
 
- Public Member Functions inherited from rofl::cmemory
 cmemory (size_t len=CMEMORY_DEFAULT_SIZE)
 Constructor. Allocates a new memory area with specified size (default: 1024 bytes). More...
 
 cmemory (uint8_t *data, size_t datalen)
 Constructor. Allocates a new memory area and clones specified buffer. More...
 
 cmemory (cmemory const &m)
 Copy constructor. More...
 
virtual ~cmemory ()
 Destructor. Calls C-function free() for allocated memory area.
 
cmemoryoperator= (cmemory const &m)
 Assignment operator. More...
 
uint8_t & operator[] (size_t index) const
 Index operator. More...
 
bool operator== (cmemory const &m) const
 Comparison operator. More...
 
bool operator!= (cmemory const &m) const
 Comparison operator (unequal). More...
 
bool operator< (cmemory const &m) const
 Less than operator. More...
 
bool operator> (cmemory const &m) const
 Less than operator. More...
 
cmemory operator& (cmemory const &m) const
 AND operator. More...
 
cmemoryoperator+= (cmemory const &m)
 Append operator with assignment to this cmemory instance. More...
 
cmemory operator+ (cmemory const &m)
 Append operator with assignment to temporary cmemory instance. More...
 
uint8_t * somem () const
 Returns pointer to start of allocated memory area.
 
size_t memlen () const
 Returns length of allocated memory area.
 
virtual void assign (uint8_t *buf, size_t buflen)
 Overwrites memory area with plain buffer specified. Resizes internal memory as necessary. More...
 
virtual size_t length () const
 
virtual uint8_t * resize (size_t len)
 Resizes allocated memory area by calling C-function realloc(). More...
 
uint8_t * insert (uint8_t *ptr, size_t len)
 Inserts len bytes at pointer ptr into allocated memory area. More...
 
uint8_t * insert (unsigned int offset, size_t len)
 Inserts len bytes at start of allocated memory area plus offset. More...
 
void remove (uint8_t *ptr, size_t len)
 Removes len bytes starting at pointer ptr from allocated memory area. More...
 
void remove (unsigned int offset, size_t len)
 Removes len bytes starting at offset relative to the allocated memory area. More...
 
unsigned int find_first_of (uint8_t value, unsigned int start)
 Returns index of first byte with value "value" found in allocated memory area starting at offset "start". More...
 
void clear ()
 Clears the allocated memory area by setting all bytes to 0.
 
virtual void pack (uint8_t *buf, size_t buflen)
 Copies content of this cmemory instance to specified buffer.
 
virtual void unpack (uint8_t *buf, size_t buflen)
 Copies content of specified buffer into this cmemory instance .
 
virtual std::string toString () const
 map onto std::string instance
 
virtual bool empty () const
 Returns boolean value empty/non empty.
 

Static Public Member Functions

static double draw_random_number ()
 returns a random number between 0 and 1
 

Friends

std::ostream & operator<< (std::ostream &os, crandom const &rand)
 
Inheritance diagram for rofl::crandom:
rofl::cmemory

Member Function Documentation

crandom & crandom::rand ( size_t  length)

return random number of length "length"

size_t crandom::randlen ( )

return length of random number

uint16_t crandom::uint16 ( )

convenience method: return uint16_t

uint32_t crandom::uint32 ( )

convenience method: return uint32_t

uint64_t crandom::uint64 ( )

convenience method: return uint64_t

uint8_t crandom::uint8 ( )

convenience method: return uint8_t


The documentation for this class was generated from the following files: