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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:26:00 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:26:00 +0000 |
commit | 830407e88f9d40d954356c3754f2647f91d5c06a (patch) | |
tree | d6a0ece6feea91f3c656166dbaa884ef8a29740e /daemon/engine.h | |
parent | Initial commit. (diff) | |
download | knot-resolver-upstream/5.6.0.tar.xz knot-resolver-upstream/5.6.0.zip |
Adding upstream version 5.6.0.upstream/5.6.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'daemon/engine.h')
-rw-r--r-- | daemon/engine.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/daemon/engine.h b/daemon/engine.h new file mode 100644 index 0000000..63accd3 --- /dev/null +++ b/daemon/engine.h @@ -0,0 +1,84 @@ +/* Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz> + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#pragma once + +/* + * @internal These are forward decls to allow building modules with engine but without Lua. + */ +struct lua_State; + +#include "lib/utils.h" +#include "lib/resolve.h" +#include "daemon/network.h" + +struct engine { + struct kr_context resolver; + struct network net; + module_array_t modules; + array_t(const struct kr_cdb_api *) backends; + knot_mm_t *pool; + char *hostname; + struct lua_State *L; +}; + +int engine_init(struct engine *engine, knot_mm_t *pool); +void engine_deinit(struct engine *engine); + +/** Perform a lua command within the sandbox. + * + * @return zero on success. + * The result will be returned on the lua stack - an error message in case of failure. + * http://www.lua.org/manual/5.1/manual.html#lua_pcall */ +int engine_cmd(struct lua_State *L, const char *str, bool raw); + +/** Execute current chunk in the sandbox */ +int engine_pcall(struct lua_State *L, int argc); + +int engine_load_sandbox(struct engine *engine); +int engine_loadconf(struct engine *engine, const char *config_path); + +/** Start the lua engine and execute the config. */ +int engine_start(struct engine *engine); +void engine_stop(struct engine *engine); +int engine_register(struct engine *engine, const char *name, const char *precedence, const char* ref); +int engine_unregister(struct engine *engine, const char *name); + +/** Set/get the per engine hostname */ +char *engine_get_hostname(struct engine *engine); +int engine_set_hostname(struct engine *engine, const char *hostname); + +/** Load root hints from a zonefile (or config-time default if NULL). + * + * @return error message or NULL (statically allocated) + * @note exported to be usable from the hints module. + */ +KR_EXPORT +const char* engine_hint_root_file(struct kr_context *ctx, const char *file); + +/* @internal Array of ip address shorthand. */ +typedef array_t(char*) addr_array_t; + +typedef array_t(const char*) config_array_t; + +typedef struct { + int fd; + endpoint_flags_t flags; /**< .sock_type isn't meaningful here */ +} flagged_fd_t; +typedef array_t(flagged_fd_t) flagged_fd_array_t; + +struct args { + addr_array_t addrs, addrs_tls; + flagged_fd_array_t fds; + int control_fd; + int forks; + config_array_t config; + const char *rundir; + bool interactive; + bool quiet; + bool tty_binary_output; +}; + +/** Pointer to kresd arguments. */ +KR_EXPORT extern struct args *the_args; |