wibble 1.1
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Buffer whose starting can be moved back and forth, useful to decapsulate stacked network packets. More...
#include <netbuffer.h>
Public Member Functions | |
NetBuffer () throw () | |
NetBuffer (size_t size) | |
NetBuffer (void *buf, size_t size, bool own=true) | |
NetBuffer (const void *buf, size_t size) | |
NetBuffer (const Buffer &buf) throw () | |
NetBuffer (const NetBuffer &buf) throw () | |
NetBuffer & | operator= (const Buffer &buf) |
NetBuffer & | operator= (const NetBuffer &buf) |
const void * | data (size_t ofs=0) const throw () |
Return a pointer to the buffer. | |
void * | data (size_t ofs=0) throw () |
Return a pointer to the buffer. | |
size_t | size () const throw () |
Return the buffer size. | |
template<class T > | |
bool | fits (size_t ofs=0) const throw () |
Check if the buffer is long enough to contain a structure T at the given offset. | |
template<class T > | |
const T * | cast (size_t ofs=0) const |
Access the buffer contents as a structure T at the given offset. | |
NetBuffer | operator+ (size_t ofs) |
Return another NetBuffer starting ofs bytes from the beginning of this one. | |
const NetBuffer | after (size_t ofs) const |
Return another NetBuffer starting ofs bytes from the beginning of this one. | |
template<class T > | |
const NetBuffer | after () const |
Return another NetBuffer starting just after sizeof(T) from the beginning of this one. | |
NetBuffer & | operator+= (size_t ofs) |
Move the starting point of this buffer ofs bytes from the beginning. | |
template<class T > | |
void | skip () |
Move the starting point of this buffer sizeof(T) bytes from the beginning. | |
void | skip (size_t t) |
Move the starting point of this buffer ofs bytes from the beginning. | |
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Buffer () throw () | |
Create a 0-lenght buffer. | |
Buffer (size_t size) | |
Create a buffer with the specified size. | |
Buffer (void *buf, size_t size, bool own=true) | |
Create a buffer from existing data. | |
Buffer (const void *buf, size_t size) | |
Create a buffer with a copy of the given data. | |
Buffer (const Buffer &buf) throw () | |
~Buffer () | |
Buffer & | operator= (const Buffer &buf) |
void * | data () throw () |
Return a pointer to the buffer. | |
const void * | data () const throw () |
Return a pointer to the buffer. | |
size_t | size () const throw () |
Return the buffer size. | |
void | resize (size_t newSize) |
Resize the buffer to hold exactly the specified amount of bytes. | |
bool | operator== (const Buffer &buf) const throw () |
Compare the contents of two buffers. | |
bool | operator!= (const Buffer &buf) const throw () |
bool | operator< (const Buffer &buf) const throw () |
Compare the contents of two buffers. | |
std::string | print_preview (unsigned size) const |
Render a c-string escaped print preview of maximum size buffer bytes. | |
Public Attributes | |
size_t | cursor |
Offset in bytes of the NetBuffer start, from the beginning of the memory area we manage. | |
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Data * | item |
Buffer whose starting can be moved back and forth, useful to decapsulate stacked network packets.
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inline |
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inline |
Return another NetBuffer starting just after sizeof(T) from the beginning of this one.
References skip().
Referenced by operator+().
Return another NetBuffer starting ofs bytes from the beginning of this one.
References skip().
Referenced by TestNetBuffer::skipBytes().
Access the buffer contents as a structure T at the given offset.
References cursor, wibble::sys::Buffer::data(), and size().
Referenced by TestNetBuffer::startAtBeginning().
Return a pointer to the buffer.
References cursor, and wibble::sys::Buffer::data().
Return a pointer to the buffer.
References cursor, and wibble::sys::Buffer::data().
Referenced by TestNetBuffer::startAtBeginning().
Check if the buffer is long enough to contain a structure T at the given offset.
References cursor, and size().
Referenced by TestNetBuffer::startAtBeginning().
Move the starting point of this buffer ofs bytes from the beginning.
References skip().
References cursor, and wibble::sys::Buffer::operator=().
References cursor, and wibble::sys::Buffer::operator=().
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inline |
Return the buffer size.
References cursor, and wibble::sys::Buffer::size().
Referenced by cast(), fits(), skip(), and TestNetBuffer::startAtBeginning().
Move the starting point of this buffer sizeof(T) bytes from the beginning.
References skip().
Referenced by after(), after(), operator+=(), and skip().
size_t wibble::sys::NetBuffer::cursor |
Offset in bytes of the NetBuffer start, from the beginning of the memory area we manage.
Referenced by cast(), data(), data(), fits(), operator=(), operator=(), size(), and skip().