Adding upstream version 5.7.5.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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84
daemon/engine.h
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84
daemon/engine.h
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/* Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#pragma once
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/*
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* @internal These are forward decls to allow building modules with engine but without Lua.
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*/
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struct lua_State;
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#include "lib/utils.h"
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#include "lib/resolve.h"
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#include "daemon/network.h"
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struct engine {
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struct network net;
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struct kr_context resolver;
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module_array_t modules;
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array_t(const struct kr_cdb_api *) backends;
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knot_mm_t *pool;
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char *hostname;
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struct lua_State *L;
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};
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int engine_init(struct engine *engine, knot_mm_t *pool);
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void engine_deinit(struct engine *engine);
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/** Perform a lua command within the sandbox.
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*
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* @return zero on success.
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* The result will be returned on the lua stack - an error message in case of failure.
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* http://www.lua.org/manual/5.1/manual.html#lua_pcall */
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int engine_cmd(struct lua_State *L, const char *str, bool raw);
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/** Execute current chunk in the sandbox */
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int engine_pcall(struct lua_State *L, int argc);
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int engine_load_sandbox(struct engine *engine);
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int engine_loadconf(struct engine *engine, const char *config_path);
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/** Start the lua engine and execute the config. */
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int engine_start(struct engine *engine);
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void engine_stop(struct engine *engine);
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int engine_register(struct engine *engine, const char *name, const char *precedence, const char* ref);
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int engine_unregister(struct engine *engine, const char *name);
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/** Set/get the per engine hostname */
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char *engine_get_hostname(struct engine *engine);
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int engine_set_hostname(struct engine *engine, const char *hostname);
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/** Load root hints from a zonefile (or config-time default if NULL).
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*
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* @return error message or NULL (statically allocated)
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* @note exported to be usable from the hints module.
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*/
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KR_EXPORT
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const char* engine_hint_root_file(struct kr_context *ctx, const char *file);
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/* @internal Array of ip address shorthand. */
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typedef array_t(char*) addr_array_t;
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typedef array_t(const char*) config_array_t;
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typedef struct {
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int fd;
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endpoint_flags_t flags; /**< .sock_type isn't meaningful here */
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} flagged_fd_t;
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typedef array_t(flagged_fd_t) flagged_fd_array_t;
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struct args {
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addr_array_t addrs, addrs_tls;
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flagged_fd_array_t fds;
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int control_fd;
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int forks;
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config_array_t config;
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const char *rundir;
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bool interactive;
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bool quiet;
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bool tty_binary_output;
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};
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/** Pointer to kresd arguments. */
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KR_EXPORT extern struct args *the_args;
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