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Alfredo Cardigliano 2019-10-09 11:24:26 +02:00
parent 1f3c824814
commit b203201b91
3 changed files with 144 additions and 0 deletions
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71
src/SyslogLuaEngine.cpp Normal file
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/*
*
* (C) 2019 - ntop.org
*
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* 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
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "ntop_includes.h"
/* ****************************************** */
SyslogLuaEngine::SyslogLuaEngine(const char *script_name, NetworkInterface *iface) : LuaEngine() {
initialized = false;
snprintf(script_path, sizeof(script_path), "%s/%s/%s.lua",
ntop->getPrefs()->get_scripts_dir(), SYSLOG_SCRIPTS_PATH, script_name);
ntop->fixPath(script_path);
if (run_script(script_path, iface, true /* Load only */) < 0) {
ntop->getTrace()->traceEvent(TRACE_ERROR, "Failure loading %s", script_path);
return;
}
initialized = true;
/* Calling setup() */
lua_getglobal(L, "setup"); /* Called function */
lua_pushstring(L, script_name); /* push 1st argument */
pcall(1 /* 1 argument */, 0);
}
/* ****************************************** */
SyslogLuaEngine::~SyslogLuaEngine() {
if (!initialized)
return;
/* Calling teardown() */
lua_getglobal(L, "teardown"); /* Called function */
if (lua_isfunction(L, -1))
pcall(0 /* 1 argument */, 0);
}
/* ****************************************** */
bool SyslogLuaEngine::pcall(int num_args, int num_results) {
if (!initialized)
return false;
if (lua_pcall(L, num_args, num_results, 0)) {
ntop->getTrace()->traceEvent(TRACE_WARNING, "Script failure [%s]", lua_tostring(L, -1));
return false;
}
return true;
}