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/*
* Copyright (C) Roman Arutyunyan
* Copyright (C) Dmitry Volyntsev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NGX_JS_H_INCLUDED_
#define _NGX_JS_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <njs.h>
#include <njs_rbtree.h>
#include <njs_arr.h>
#include "ngx_js_fetch.h"
#include "ngx_js_shared_dict.h"
#if (NJS_HAVE_QUICKJS)
#include <qjs.h>
#endif
#define NGX_ENGINE_NJS 1
#define NGX_ENGINE_QJS 2
#define NGX_JS_UNSET 0
#define NGX_JS_DEPRECATED 1
#define NGX_JS_STRING 2
#define NGX_JS_BUFFER 4
#define NGX_JS_BOOLEAN 8
#define NGX_JS_NUMBER 16
#define NGX_JS_BOOL_FALSE 0
#define NGX_JS_BOOL_TRUE 1
#define NGX_JS_BOOL_UNSET 2
#define NGX_NJS_VAR_NOCACHE 1
#define ngx_js_buffer_type(btype) ((btype) & ~NGX_JS_DEPRECATED)
/*
* This static table solves the problem of a native QuickJS approach
* which uses a static variables of type JSClassID and JS_NewClassID() to
* allocate class ids for custom classes. The static variables approach
* causes a problem when two modules linked with -Wl,-Bsymbolic-functions flag
* are loaded dynamically.
*/
#define NGX_QJS_CLASS_ID_OFFSET (QJS_CORE_CLASS_ID_LAST)
#define NGX_QJS_CLASS_ID_CONSOLE (NGX_QJS_CLASS_ID_OFFSET + 1)
#define NGX_QJS_CLASS_ID_HTTP_REQUEST (NGX_QJS_CLASS_ID_OFFSET + 2)
#define NGX_QJS_CLASS_ID_HTTP_PERIODIC (NGX_QJS_CLASS_ID_OFFSET + 3)
#define NGX_QJS_CLASS_ID_HTTP_VARS (NGX_QJS_CLASS_ID_OFFSET + 4)
#define NGX_QJS_CLASS_ID_HTTP_HEADERS_IN (NGX_QJS_CLASS_ID_OFFSET + 5)
#define NGX_QJS_CLASS_ID_HTTP_HEADERS_OUT (NGX_QJS_CLASS_ID_OFFSET + 6)
#define NGX_QJS_CLASS_ID_STREAM_SESSION (NGX_QJS_CLASS_ID_OFFSET + 7)
#define NGX_QJS_CLASS_ID_STREAM_PERIODIC (NGX_QJS_CLASS_ID_OFFSET + 8)
#define NGX_QJS_CLASS_ID_STREAM_FLAGS (NGX_QJS_CLASS_ID_OFFSET + 9)
#define NGX_QJS_CLASS_ID_STREAM_VARS (NGX_QJS_CLASS_ID_OFFSET + 10)
#define NGX_QJS_CLASS_ID_SHARED (NGX_QJS_CLASS_ID_OFFSET + 11)
#define NGX_QJS_CLASS_ID_SHARED_DICT (NGX_QJS_CLASS_ID_OFFSET + 12)
#define NGX_QJS_CLASS_ID_SHARED_DICT_ERROR (NGX_QJS_CLASS_ID_OFFSET + 13)
typedef struct ngx_js_loc_conf_s ngx_js_loc_conf_t;
typedef struct ngx_js_event_s ngx_js_event_t;
typedef struct ngx_js_dict_s ngx_js_dict_t;
typedef struct ngx_js_ctx_s ngx_js_ctx_t;
typedef struct ngx_engine_s ngx_engine_t;
typedef ngx_pool_t *(*ngx_external_pool_pt)(njs_external_ptr_t e);
typedef void (*ngx_js_event_finalize_pt)(njs_external_ptr_t e, ngx_int_t rc);
typedef ngx_resolver_t *(*ngx_external_resolver_pt)(njs_external_ptr_t e);
typedef ngx_msec_t (*ngx_external_timeout_pt)(njs_external_ptr_t e);
typedef ngx_flag_t (*ngx_external_flag_pt)(njs_external_ptr_t e);
typedef ngx_flag_t (*ngx_external_size_pt)(njs_external_ptr_t e);
typedef ngx_ssl_t *(*ngx_external_ssl_pt)(njs_external_ptr_t e);
typedef ngx_js_ctx_t *(*ngx_js_external_ctx_pt)(njs_external_ptr_t e);
typedef struct {
ngx_str_t name;
ngx_str_t path;
u_char *file;
ngx_uint_t line;
} ngx_js_named_path_t;
struct ngx_js_event_s {
void *ctx;
njs_opaque_value_t function;
njs_opaque_value_t *args;
ngx_socket_t fd;
NJS_RBTREE_NODE (node);
njs_uint_t nargs;
void (*destructor)(ngx_js_event_t *event);
ngx_event_t ev;
void *data;
};
typedef struct {
void **data;
ngx_uint_t head;
ngx_uint_t tail;
ngx_uint_t size;
ngx_uint_t capacity;
} ngx_js_queue_t;
#define NGX_JS_COMMON_MAIN_CONF \
ngx_js_dict_t *dicts; \
ngx_array_t *periodics \
#define _NGX_JS_COMMON_LOC_CONF \
ngx_uint_t type; \
ngx_engine_t *engine; \
ngx_uint_t reuse; \
ngx_js_queue_t *reuse_queue; \
ngx_str_t cwd; \
ngx_array_t *imports; \
ngx_array_t *paths; \
\
ngx_array_t *preload_objects; \
\
size_t buffer_size; \
size_t max_response_body_size; \
ngx_msec_t timeout
#if defined(NGX_HTTP_SSL) || defined(NGX_STREAM_SSL)
#define NGX_JS_COMMON_LOC_CONF \
_NGX_JS_COMMON_LOC_CONF; \
\
ngx_ssl_t *ssl; \
ngx_str_t ssl_ciphers; \
ngx_uint_t ssl_protocols; \
ngx_flag_t ssl_verify; \
ngx_int_t ssl_verify_depth; \
ngx_str_t ssl_trusted_certificate
#else
#define NGX_JS_COMMON_LOC_CONF _NGX_JS_COMMON_LOC_CONF
#endif
#define NGX_JS_COMMON_CTX \
ngx_engine_t *engine; \
ngx_log_t *log; \
njs_opaque_value_t args[3]; \
njs_opaque_value_t retval; \
njs_arr_t *rejected_promises; \
njs_rbtree_t waiting_events; \
ngx_socket_t event_id
#define ngx_js_add_event(ctx, event) \
njs_rbtree_insert(&(ctx)->waiting_events, &(event)->node)
#define ngx_js_del_event(ctx, event) \
do { \
if ((event)->destructor) { \
(event)->destructor(event); \
} \
\
njs_rbtree_delete(&(ctx)->waiting_events, &(event)->node); \
} while (0)
typedef struct {
NGX_JS_COMMON_MAIN_CONF;
} ngx_js_main_conf_t;
struct ngx_js_loc_conf_s {
NGX_JS_COMMON_LOC_CONF;
};
typedef struct {
ngx_str_t fname;
unsigned flags;
} ngx_js_set_t;
struct ngx_js_ctx_s {
NGX_JS_COMMON_CTX;
};
typedef struct {
void *external;
} ngx_js_opaque_t;
typedef struct ngx_engine_opts_s {
unsigned engine;
union {
struct {
njs_vm_meta_t *metas;
njs_module_t **addons;
} njs;
#if (NJS_HAVE_QUICKJS)
struct {
uintptr_t *metas;
qjs_module_t **addons;
} qjs;
#endif
} u;
njs_str_t file;
ngx_js_loc_conf_t *conf;
ngx_engine_t *(*clone)(ngx_js_ctx_t *ctx,
ngx_js_loc_conf_t *cf, njs_int_t pr_id,
void *external);
void (*destroy)(ngx_engine_t *e, ngx_js_ctx_t *ctx,
ngx_js_loc_conf_t *conf);
} ngx_engine_opts_t;
typedef struct {
u_char *code;
size_t code_size;
} ngx_js_code_entry_t;
struct ngx_engine_s {
union {
struct {
njs_vm_t *vm;
} njs;
#if (NJS_HAVE_QUICKJS)
struct {
JSContext *ctx;
} qjs;
#endif
} u;
ngx_int_t (*compile)(ngx_js_loc_conf_t *conf, ngx_log_t *lg,
u_char *start, size_t size);
ngx_int_t (*call)(ngx_js_ctx_t *ctx, ngx_str_t *fname,
njs_opaque_value_t *args,
njs_uint_t nargs);
ngx_engine_t *(*clone)(ngx_js_ctx_t *ctx,
ngx_js_loc_conf_t *cf, njs_int_t pr_id,
void *external);
void *(*external)(ngx_engine_t *e);
ngx_int_t (*pending)(ngx_engine_t *e);
ngx_int_t (*string)(ngx_engine_t *e,
njs_opaque_value_t *value,
ngx_str_t *str);
void (*destroy)(ngx_engine_t *e, ngx_js_ctx_t *ctx,
ngx_js_loc_conf_t *conf);
unsigned type;
const char *name;
njs_mp_t *pool;
njs_arr_t *precompiled;
};
#define ngx_external_connection(vm, e) \
(*((ngx_connection_t **) ((u_char *) (e) + njs_vm_meta(vm, 0))))
#define ngx_external_pool(vm, e) \
((ngx_external_pool_pt) njs_vm_meta(vm, 1))(e)
#define ngx_external_resolver(vm, e) \
((ngx_external_resolver_pt) njs_vm_meta(vm, 2))(e)
#define ngx_external_resolver_timeout(vm, e) \
((ngx_external_timeout_pt) njs_vm_meta(vm, 3))(e)
#define ngx_external_event_finalize(vm) \
((ngx_js_event_finalize_pt) njs_vm_meta(vm, 4))
#define ngx_external_ssl(vm, e) \
((ngx_external_ssl_pt) njs_vm_meta(vm, 5))(e)
#define ngx_external_ssl_verify(vm, e) \
((ngx_external_flag_pt) njs_vm_meta(vm, 6))(e)
#define ngx_external_fetch_timeout(vm, e) \
((ngx_external_timeout_pt) njs_vm_meta(vm, 7))(e)
#define ngx_external_buffer_size(vm, e) \
((ngx_external_size_pt) njs_vm_meta(vm, 8))(e)
#define ngx_external_max_response_buffer_size(vm, e) \
((ngx_external_size_pt) njs_vm_meta(vm, 9))(e)
#define NGX_JS_MAIN_CONF_INDEX 10
#define ngx_main_conf(vm) \
((ngx_js_main_conf_t *) njs_vm_meta(vm, NGX_JS_MAIN_CONF_INDEX))
#define ngx_external_ctx(vm, e) \
((ngx_js_external_ctx_pt) njs_vm_meta(vm, 11))(e)
#define ngx_js_prop(vm, type, value, start, len) \
((type == NGX_JS_STRING) ? njs_vm_value_string_create(vm, value, start, len) \
: njs_vm_value_buffer_set(vm, value, start, len))
void ngx_js_ctx_init(ngx_js_ctx_t *ctx, ngx_log_t *log);
#define ngx_js_ctx_pending(ctx) \
((ctx)->engine->pending(ctx->engine) \
|| !njs_rbtree_is_empty(&(ctx)->waiting_events))
#define ngx_js_ctx_external(ctx) \
((ctx)->engine->external(ctx->engine))
void ngx_js_ctx_destroy(ngx_js_ctx_t *ctx, ngx_js_loc_conf_t *conf);
ngx_int_t ngx_js_call(njs_vm_t *vm, njs_function_t *func,
njs_opaque_value_t *args, njs_uint_t nargs);
ngx_int_t ngx_js_exception(njs_vm_t *vm, ngx_str_t *s);
ngx_engine_t *ngx_njs_clone(ngx_js_ctx_t *ctx, ngx_js_loc_conf_t *cf,
void *external);
#if (NJS_HAVE_QUICKJS)
typedef struct ngx_qjs_event_s ngx_qjs_event_t;
typedef union {
njs_opaque_value_t opaque;
JSValue value;
} ngx_qjs_value_t;
struct ngx_qjs_event_s {
void *ctx;
JSValue function;
JSValue *args;
ngx_socket_t fd;
NJS_RBTREE_NODE (node);
njs_uint_t nargs;
void (*destructor)(ngx_qjs_event_t *event);
ngx_event_t ev;
void *data;
};
#define ngx_qjs_arg(val) (((ngx_qjs_value_t *) &(val))->value)
ngx_engine_t *ngx_qjs_clone(ngx_js_ctx_t *ctx, ngx_js_loc_conf_t *cf,
void *external);
void ngx_engine_qjs_destroy(ngx_engine_t *e, ngx_js_ctx_t *ctx,
ngx_js_loc_conf_t *conf);
ngx_int_t ngx_qjs_call(ngx_js_ctx_t *ctx, JSValue function,
JSValue *argv, int argc);
ngx_int_t ngx_qjs_exception(ngx_engine_t *e, ngx_str_t *s);
ngx_int_t ngx_qjs_integer(JSContext *cx, JSValueConst val, ngx_int_t *n);
ngx_int_t ngx_qjs_string(ngx_engine_t *e, JSValueConst val, ngx_str_t *str);
#define ngx_qjs_prop(cx, type, start, len) \
((type == NGX_JS_STRING) ? qjs_string_create(cx, start, len) \
: qjs_buffer_create(cx, (u_char *) start, len))
#define ngx_qjs_meta(cx, i) \
((uintptr_t *) JS_GetRuntimeOpaque(JS_GetRuntime(cx)))[i]
#define ngx_qjs_external_connection(cx, e) \
(*((ngx_connection_t **) ((u_char *) (e) + ngx_qjs_meta(cx, 0))))
#define ngx_qjs_external_pool(cx, e) \
((ngx_external_pool_pt) ngx_qjs_meta(cx, 1))(e)
#define ngx_qjs_external_resolver(cx, e) \
((ngx_external_resolver_pt) ngx_qjs_meta(vm, 2))(e)
#define ngx_qjs_external_resolver_timeout(cx, e) \
((ngx_external_timeout_pt) ngx_qjs_meta(cx, 3))(e)
#define ngx_qjs_external_event_finalize(cx) \
((ngx_js_event_finalize_pt) ngx_qjs_meta(cx, 4))
#define ngx_qjs_external_ssl(cx, e) \
((ngx_external_ssl_pt) ngx_qjs_meta(cx, 5))(e)
#define ngx_qjs_external_ssl_verify(cx, e) \
((ngx_external_flag_pt) ngx_qjs_meta(cx, 6))(e)
#define ngx_qjs_external_fetch_timeout(cx, e) \
((ngx_external_timeout_pt) ngx_qjs_meta(cx, 7))(e)
#define ngx_qjs_external_buffer_size(cx, e) \
((ngx_external_size_pt) ngx_qjs_meta(cx, 8))(e)
#define ngx_qjs_external_max_response_buffer_size(cx, e) \
((ngx_external_size_pt) ngx_qjs_meta(cx, 9))(e)
#define ngx_qjs_main_conf(cx) \
((ngx_js_main_conf_t *) ngx_qjs_meta(cx, NGX_JS_MAIN_CONF_INDEX))
#define ngx_qjs_external_ctx(cx, e) \
((ngx_js_external_ctx_pt) ngx_qjs_meta(cx, 11))(e)
extern qjs_module_t qjs_zlib_module;
extern qjs_module_t ngx_qjs_ngx_module;
extern qjs_module_t ngx_qjs_ngx_shared_dict_module;
#endif
njs_int_t ngx_js_ext_log(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs,
njs_index_t level, njs_value_t *retval);
void ngx_js_log(njs_vm_t *vm, njs_external_ptr_t external,
ngx_uint_t level, const char *fmt, ...);
void ngx_js_logger(ngx_connection_t *c, ngx_uint_t level,
const u_char *start, size_t length);
char * ngx_js_import(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
char * ngx_js_engine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
char * ngx_js_preload_object(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
ngx_int_t ngx_js_merge_vm(ngx_conf_t *cf, ngx_js_loc_conf_t *conf,
ngx_js_loc_conf_t *prev,
ngx_int_t (*init_vm)(ngx_conf_t *cf, ngx_js_loc_conf_t *conf));
ngx_int_t ngx_js_init_conf_vm(ngx_conf_t *cf, ngx_js_loc_conf_t *conf,
ngx_engine_opts_t *opt);
ngx_js_loc_conf_t *ngx_js_create_conf(ngx_conf_t *cf, size_t size);
char * ngx_js_merge_conf(ngx_conf_t *cf, void *parent, void *child,
ngx_int_t (*init_vm)(ngx_conf_t *cf, ngx_js_loc_conf_t *conf));
char *ngx_js_shared_dict_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf,
void *tag);
njs_int_t ngx_js_ext_string(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
njs_int_t ngx_js_ext_uint(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
njs_int_t ngx_js_ext_constant(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
njs_int_t ngx_js_ext_flags(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
ngx_int_t ngx_js_string(njs_vm_t *vm, njs_value_t *value, njs_str_t *str);
ngx_int_t ngx_js_integer(njs_vm_t *vm, njs_value_t *value, ngx_int_t *n);
const char *ngx_js_errno_string(int errnum);
ngx_js_queue_t *ngx_js_queue_create(ngx_pool_t *pool, ngx_uint_t capacity);
ngx_int_t ngx_js_queue_push(ngx_js_queue_t *queue, void *item);
void *ngx_js_queue_pop(ngx_js_queue_t *queue);
extern njs_module_t ngx_js_ngx_module;
extern njs_module_t njs_webcrypto_module;
extern njs_module_t njs_xml_module;
extern njs_module_t njs_zlib_module;
#endif /* _NGX_JS_H_INCLUDED_ */
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