ebt_handler.h

// -*- mode: C; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil -*-
// vim: set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:

/*************************************************************************
 * Copyright 2016 Ent. Services Development Corporation LP
 *
 * Redistribution and use of this software in source and binary forms,
 * with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *   Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 *   Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer
 *   in the documentation and/or other materials provided with the
 *   distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 ************************************************************************/

#ifndef _INCLUDE_EBT_HANDLER_H_
#define _INCLUDE_EBT_HANDLER_H_

//!
//! @file net/ebt_handler.h
//! This file needs a description
//!

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typedef struct ebt_rule_t {
    char ebtrule[1024];
} ebt_rule;

typedef struct ebt_chain_t {
    char name[64];
    char policyname[64];
    char counters[64];
    ebt_rule *rules;
    int max_rules;
    int ref_count;
} ebt_chain;

typedef struct ebt_table_t {
    char name[64];
    ebt_chain *chains;
    int max_chains;
} ebt_table;

typedef struct ebt_handler_t {
    ebt_table *tables;
    int max_tables;
    int init;
    char ebt_filter_file[EUCA_MAX_PATH];
    char ebt_nat_file[EUCA_MAX_PATH];
    char ebt_asc_file[EUCA_MAX_PATH];
    char cmdprefix[EUCA_MAX_PATH];
} ebt_handler;

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//! @{
//! @name EB Tables API
int ebt_handler_init(ebt_handler *ebth, const char *cmdprefix);
int ebt_handler_free(ebt_handler *ebth);
int ebt_handler_close(ebt_handler *ebth);

int ebt_system_save(ebt_handler *ebth);
int ebt_system_restore(ebt_handler *ebth);

int ebt_handler_repopulate(ebt_handler *ebth);
int ebt_handler_deploy(ebt_handler *ebth);
int ebt_handler_update_refcounts(ebt_handler *ebth);

int ebt_handler_add_table(ebt_handler *ebth, char *tablename);
ebt_table *ebt_handler_find_table(ebt_handler *ebth, char *findtable);

int ebt_table_add_chain(ebt_handler *ebth, char *tablename, char *chainname, char *policyname, char *counters);
ebt_chain *ebt_table_find_chain(ebt_handler *ebth, char *tablename, char *findchain);

int ebt_chain_add_rule(ebt_handler *ebth, char *tablename, char *chainname, char *newrule);
ebt_rule *ebt_chain_find_rule(ebt_handler *ebth, char *tablename, char *chainname, char *findrule);

int ebt_chain_flush(ebt_handler *ebth, char *tablename, char *chainname);
int ebt_chain_flush_rule(ebt_handler *ebth, char *tablename, char *chainname, char *findrule);

int ebt_table_deletechainmatch(ebt_handler *ebth, char *tablename, char *chainmatch);
int ebt_table_deletechainempty(ebt_handler *ebth, char *tablename);

int ebt_handler_print(ebt_handler *ebth);
//! @}

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#endif /* ! _INCLUDE_EBT_HANDLER_H_ */