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/* Copyright (C) 2014 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*/
#ifndef __UTIL_LUA_H__
#define __UTIL_LUA_H__
#ifdef HAVE_LUA
typedef struct LuaStreamingBuffer_ {
const uint8_t *data;
uint32_t data_len;
uint8_t flags;
} LuaStreamingBuffer;
#define LUA_FLOW_LOCKED_BY_PARENT 0
#define LUA_FLOW_NOT_LOCKED_BY_PARENT 1
/* gets */
/** \brief get tv pointer from the lua state */
ThreadVars *LuaStateGetThreadVars(lua_State *luastate);
Packet *LuaStateGetPacket(lua_State *luastate);
void *LuaStateGetTX(lua_State *luastate);
/** \brief get flow pointer from lua state
*
* \param locked_by_parent[out] bool indicating if flow is locked
* (LUA_FLOW_LOCKED_BY_PARENT) or unlocked
* (LUA_FLOW_NOT_LOCKED_BY_PARENT)
*
* \retval f flow poiner or NULL if it was not set
*/
Flow *LuaStateGetFlow(lua_State *luastate, int *locked_by_parent);
PacketAlert *LuaStateGetPacketAlert(lua_State *luastate);
/** \brief get file pointer from the lua state */
File *LuaStateGetFile(lua_State *luastate);
LuaStreamingBuffer *LuaStateGetStreamingBuffer(lua_State *luastate);
int LuaStateGetDirection(lua_State *luastate);
/* sets */
void LuaStateSetPacket(lua_State *luastate, Packet *p);
void LuaStateSetTX(lua_State *luastate, void *tx);
/** \brief set a flow pointer in the lua state
*
* \param f flow pointer
* \param locked_by_parent bool indicating if flow is locked
* (LUA_FLOW_LOCKED_BY_PARENT) or unlocked
* (LUA_FLOW_NOT_LOCKED_BY_PARENT)
*/
void LuaStateSetFlow(lua_State *luastate, Flow *f, int locked_by_parent);
void LuaStateSetPacketAlert(lua_State *luastate, PacketAlert *pa);
void LuaStateSetFile(lua_State *luastate, File *file);
void LuaStateSetThreadVars(lua_State *luastate, ThreadVars *tv);
void LuaStateSetStreamingBuffer(lua_State *luastate, LuaStreamingBuffer *b);
void LuaStateSetDirection(lua_State *luastate, int direction);
void LuaPrintStack(lua_State *state);
int LuaPushStringBuffer(lua_State *luastate, const uint8_t *input, size_t input_len);
#endif /* HAVE_LUA */
#endif /* __UTIL_LUA_H__ */
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