forked from OpenSIPS/opensips
/
context.c
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/
context.c
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/*
* Copyright (C) 2014 OpenSIPS Solutions
*
* This file is part of opensips, a free SIP server.
*
* opensips is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* opensips is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* History:
* --------
* 2014-12-10 initial version (liviu)
*/
#include "str.h"
#include "mem/mem.h"
#include "context.h"
/* Pointer to the current processing context */
context_p current_processing_ctx = NULL;
unsigned int context_sizes[CONTEXT_COUNT];
static unsigned int type_sizes[CONTEXT_COUNT][3];
static unsigned int type_offsets[CONTEXT_COUNT][3];
context_p context_alloc(void)
{
context_p ctx;
ctx = pkg_malloc(context_size(CONTEXT_GLOBAL));
if (!ctx) {
LM_ERR("no more pkg mem\n");
return NULL;
}
return ctx;
}
inline int context_register_int(enum osips_context type)
{
context_sizes[type] += sizeof(int);
type_offsets[type][1] += sizeof(int);
type_offsets[type][2] += sizeof(int);
return type_sizes[type][0]++;
}
inline int context_register_str(enum osips_context type)
{
context_sizes[type] += sizeof(str);
type_offsets[type][2] += sizeof(str);
return type_sizes[type][1]++;
}
inline int context_register_ptr(enum osips_context type)
{
context_sizes[type] += sizeof(void *);
return type_sizes[type][2]++;
}
inline void context_put_int(enum osips_context type, context_p ctx,
int pos, int data)
{
#ifdef DBG_QM_MALLOC
if (pos < 0 || pos >= type_sizes[type][0]) {
LM_CRIT("Bad pos: %d (%d)\n", pos, type_sizes[type][0]);
abort();
}
#endif
if (!ctx)
LM_CRIT("NULL context given\n");
((int *)ctx)[pos] = data;
}
inline void context_put_str(enum osips_context type, context_p ctx,
int pos, str *data)
{
#ifdef DBG_QM_MALLOC
if (pos < 0 || pos >= type_sizes[type][1]) {
LM_CRIT("Bad pos: %d (%d)\n", pos, type_sizes[type][1]);
abort();
}
#endif
if (!ctx)
LM_CRIT("NULL context given\n");
((str *)((char *)ctx + type_offsets[type][1]))[pos] = *data;
}
inline void context_put_ptr(enum osips_context type, context_p ctx,
int pos, void *data)
{
#ifdef DBG_QM_MALLOC
if (pos < 0 || pos >= type_sizes[type][2]) {
LM_CRIT("Bad pos: %d (%d)\n", pos, type_sizes[type][2]);
abort();
}
#endif
if (!ctx)
LM_CRIT("NULL context given\n");
((void **)((char *)ctx + type_offsets[type][2]))[pos] = data;
}
inline int context_get_int(enum osips_context type, context_p ctx, int pos)
{
#ifdef DBG_QM_MALLOC
if (pos < 0 || pos >= type_sizes[type][0]) {
LM_CRIT("Bad pos: %d (%d)\n", pos, type_sizes[type][0]);
abort();
}
#endif
if (!ctx)
LM_CRIT("NULL context given\n");
return ((int *)ctx)[pos];
}
inline str *context_get_str(enum osips_context type, context_p ctx, int pos)
{
#ifdef DBG_QM_MALLOC
if (pos < 0 || pos >= type_sizes[type][1]) {
LM_CRIT("Bad pos: %d (%d)\n", pos, type_sizes[type][1]);
abort();
}
#endif
if (!ctx)
LM_CRIT("NULL context given\n");
return &((str *)((char *)ctx + type_offsets[type][1]))[pos];
}
inline void *context_get_ptr(enum osips_context type, context_p ctx, int pos)
{
#ifdef DBG_QM_MALLOC
if (pos < 0 || pos >= type_sizes[type][2]) {
LM_CRIT("Bad pos: %d (%d)\n", pos, type_sizes[type][2]);
abort();
}
#endif
if (!ctx)
LM_CRIT("NULL context given\n");
return ((void **)((char *)ctx + type_offsets[type][2]))[pos];
}