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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */
/* */
/* NXCOMP, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#ifndef Types_H
#define Types_H
using namespace std;
#include <vector>
#include <list>
#include <map>
#include <set>
#include "MD5.h"
//
// This is MD5 length.
//
#define MD5_LENGTH 16
//
// Types of repositories. Replace the original
// clear() methods from STL in order to actually
// free the unused memory.
//
class Message;
class T_data : public vector < unsigned char >
{
public:
unsigned char *begin()
{
return &*(vector < unsigned char >::begin());
}
const unsigned char *begin() const
{
return &*(vector < unsigned char >::begin());
}
// Avoid overriding clear() when using libc++. Fiddling with STL internals
// doesn't really seem like a good idea to me anyway.
#ifndef _LIBCPP_VECTOR
void clear()
{
#if defined(__STL_USE_STD_ALLOCATORS) || defined(__GLIBCPP_INTERNAL_VECTOR_H)
#if defined(__GLIBCPP_INTERNAL_VECTOR_H)
_Destroy(_M_start, _M_finish);
#else /* #if defined(__GLIBCPP_INTERNAL_VECTOR_H) */
destroy(_M_start, _M_finish);
#endif /* #if defined(__GLIBCPP_INTERNAL_VECTOR_H) */
_M_deallocate(_M_start, _M_end_of_storage - _M_start);
_M_start = _M_finish = _M_end_of_storage = 0;
#else /* #if defined(__STL_USE_STD_ALLOCATORS) || defined(__GLIBCPP_INTERNAL_VECTOR_H) */
#if defined(_GLIBCXX_VECTOR)
_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish);
_M_deallocate(this->_M_impl._M_start, this->_M_impl._M_end_of_storage - this->_M_impl._M_start);
this->_M_impl._M_start = this->_M_impl._M_finish = this->_M_impl._M_end_of_storage = 0;
#else /* #if defined(_GLIBCXX_VECTOR) */
destroy(start, finish);
deallocate();
start = finish = end_of_storage = 0;
#endif /* #if defined(_GLIBCXX_VECTOR) */
#endif /* #if defined(__STL_USE_STD_ALLOCATORS) || defined(__GLIBCPP_INTERNAL_VECTOR_H) */
}
#endif /* #ifdef _LIBCPP_VECTOR */
};
class T_messages : public vector < Message * >
{
public:
// Avoid overriding clear() when using libc++. Fiddling with STL internals
// doesn't really seem like a good idea to me anyway.
#ifndef _LIBCPP_VECTOR
void clear()
{
#if defined(__STL_USE_STD_ALLOCATORS) || defined(__GLIBCPP_INTERNAL_VECTOR_H)
#if defined(__GLIBCPP_INTERNAL_VECTOR_H)
_Destroy(_M_start, _M_finish);
#else /* #if defined(__GLIBCPP_INTERNAL_VECTOR_H) */
destroy(_M_start, _M_finish);
#endif /* #if defined(__GLIBCPP_INTERNAL_VECTOR_H) */
_M_deallocate(_M_start, _M_end_of_storage - _M_start);
_M_start = _M_finish = _M_end_of_storage = 0;
#else /* #if defined(__STL_USE_STD_ALLOCATORS) || defined(__GLIBCPP_INTERNAL_VECTOR_H) */
#if defined(_GLIBCXX_VECTOR)
_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish);
_M_deallocate(this->_M_impl._M_start, this->_M_impl._M_end_of_storage - this->_M_impl._M_start);
this->_M_impl._M_start = this->_M_impl._M_finish = this->_M_impl._M_end_of_storage = 0;
#else /* #if defined(_GLIBCXX_VECTOR) */
destroy(start, finish);
deallocate();
start = finish = end_of_storage = 0;
#endif /* #if defined(_GLIBCXX_VECTOR) */
#endif /* #if defined(__STL_USE_STD_ALLOCATORS) || defined(__GLIBCPP_INTERNAL_VECTOR_H) */
}
#endif /* #ifndef _LIBCPP_VECTOR */
};
typedef md5_byte_t * T_checksum;
struct T_less
{
bool operator()(T_checksum a, T_checksum b) const
{
return (memcmp(a, b, MD5_LENGTH) < 0);
}
};
typedef map < T_checksum, int, T_less > T_checksums;
class Split;
typedef list < Split * > T_splits;
class File;
struct T_older
{
bool operator()(File *a, File *b) const;
};
typedef set < File *, T_older > T_files;
typedef list < int > T_list;
//
// Used to accommodate data to be read and
// written to a socket.
//
typedef struct
{
T_data data_;
int length_;
int start_;
}
T_buffer;
//
// The message store operation that was
// executed for the message. The channels
// use these values to determine how to
// handle the message after it has been
// received at the decoding side.
//
enum T_store_action
{
is_hit,
is_added,
is_discarded,
is_removed,
is_added_compat = 0,
is_hit_compat = 1
};
#define IS_HIT (control -> isProtoStep8() == 1 ? is_hit : is_hit_compat)
#define IS_ADDED (control -> isProtoStep8() == 1 ? is_added : is_added_compat)
enum T_checksum_action
{
use_checksum,
discard_checksum
};
enum T_data_action
{
use_data,
discard_data
};
//
// Message is going to be weighted for
// deletion at insert or cleanup time?
//
enum T_rating
{
rating_for_insert,
rating_for_clean
};
//
// How to handle the writes to the X
// and proxy connections.
//
enum T_write
{
write_immediate,
write_delayed
};
enum T_flush
{
flush_if_needed,
flush_if_any
};
//
// This is the value to indicate an
// invalid position in the message
// store.
//
static const int nothing = -1;
#endif /* Types_H */
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