xref: /netbsd-src/external/bsd/unbound/dist/pythonmod/pythonmod.h (revision 91f7d55fb697b5e0475da4718fa34c3a3ebeac85)

/*
 * pythonmod.h: module header file
 *
 * Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
 *                     Marek Vavrusa  (xvavru00 AT stud.fit.vutbr.cz)
 *
 * This software is open source.
 *
 * Redistribution and use 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.
 *
 *    * Neither the name of the organization nor the names of its
 *      contributors may be used to endorse or promote products derived from this
 *      software without specific prior written permission.
 *
 * 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 REGENTS 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
 * POSSIBILITY OF SUCH DAMAGE.
 */
/**
 * \file
 * Python module for unbound.  Calls python script.
 */
#ifndef PYTHONMOD_H
#define PYTHONMOD_H
#include "util/module.h"
#include "services/outbound_list.h"

/**
 * Get the module function block.
 * @return: function block with function pointers to module methods.
 */
struct module_func_block* pythonmod_get_funcblock(void);

/** python module init */
int pythonmod_init(struct module_env* env, int id);

/** python module deinit */
void pythonmod_deinit(struct module_env* env, int id);

/** python module operate on a query */
void pythonmod_operate(struct module_qstate* qstate, enum module_ev event,
	int id, struct outbound_entry* outbound);

/** python module  */
void pythonmod_inform_super(struct module_qstate* qstate, int id,
	struct module_qstate* super);

/** python module cleanup query state */
void pythonmod_clear(struct module_qstate* qstate, int id);

/** python module alloc size routine */
size_t pythonmod_get_mem(struct module_env* env, int id);

/** Declared here for fptr_wlist access. The definition is in interface.i. */
int python_inplace_cb_reply_generic(struct query_info* qinfo,
	struct module_qstate* qstate, struct reply_info* rep, int rcode,
	struct edns_data* edns, struct edns_option** opt_list_out,
	struct comm_reply* repinfo, struct regional* region,
	struct timeval* start_time, int id, void* python_callback);

/** Declared here for fptr_wlist access. The definition is in interface.i. */
int python_inplace_cb_query_generic(
        struct query_info* qinfo, uint16_t flags, struct module_qstate* qstate,
        struct sockaddr_storage* addr, socklen_t addrlen,
        uint8_t* zone, size_t zonelen, struct regional* region, int id,
        void* python_callback);

/** Declared here for fptr_wlist access. The definition is in interface.i. */
int python_inplace_cb_query_response(struct module_qstate* qstate,
    struct dns_msg* response, int id, void* python_callback);

/** Declared here for fptr_wlist access. The definition is in interface.i. */
int python_inplace_cb_edns_back_parsed_call(struct module_qstate* qstate,
    int id, void* python_callback);

#endif /* PYTHONMOD_H */