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[njs] Refactored externals.

Dmitry Volyntsev
March 20, 2020 10:58AM
details: https://hg.nginx.org/njs/rev/573d264cb7e7
branches:
changeset: 1358:573d264cb7e7
user: Dmitry Volyntsev <xeioex@nginx.com>
date: Fri Mar 20 17:33:06 2020 +0300
description:
Refactored externals.

This closes #16 issue on Github.

diffstat:

nginx/ngx_http_js_module.c | 1115 +++++++++++++++++++-------------------
nginx/ngx_stream_js_module.c | 473 +++++++---------
src/njs.h | 122 +++-
src/njs_array.c | 5 +-
src/njs_array.h | 5 +-
src/njs_array_buffer.c | 1 +
src/njs_crypto.c | 1 +
src/njs_date.c | 1 +
src/njs_error.c | 2 +
src/njs_extern.c | 529 ++++++++---------
src/njs_extern.h | 45 -
src/njs_function.c | 2 +-
src/njs_function.h | 2 +-
src/njs_json.c | 17 +-
src/njs_main.h | 1 -
src/njs_module.c | 1 +
src/njs_object.c | 9 +-
src/njs_object_prop.c | 32 +-
src/njs_promise.c | 1 +
src/njs_regexp.c | 1 +
src/njs_shell.c | 185 ++---
src/njs_symbol.h | 19 -
src/njs_value.c | 225 +------
src/njs_value.h | 74 +-
src/njs_vm.c | 41 +-
src/njs_vm.h | 11 -
src/test/njs_benchmark.c | 45 +-
src/test/njs_externals_test.c | 705 +++++++++++++-----------
src/test/njs_externals_test.h | 3 +-
src/test/njs_interactive_test.c | 6 +-
src/test/njs_unit_test.c | 535 +++++++++++-------
test/njs_expect_test.exp | 26 +-
32 files changed, 2120 insertions(+), 2120 deletions(-)

diffs (truncated from 6020 to 1000 lines):

diff -r 224494c53bbf -r 573d264cb7e7 nginx/ngx_http_js_module.c
--- a/nginx/ngx_http_js_module.c Wed Mar 18 18:29:17 2020 +0300
+++ b/nginx/ngx_http_js_module.c Fri Mar 20 17:33:06 2020 +0300
@@ -13,34 +13,34 @@


typedef struct {
- njs_vm_t *vm;
- ngx_array_t *paths;
- const njs_extern_t *req_proto;
+ njs_vm_t *vm;
+ ngx_array_t *paths;
+ njs_external_proto_t req_proto;
} ngx_http_js_main_conf_t;


typedef struct {
- ngx_str_t content;
+ ngx_str_t content;
} ngx_http_js_loc_conf_t;


typedef struct {
- njs_vm_t *vm;
- ngx_log_t *log;
- ngx_uint_t done;
- ngx_int_t status;
- njs_opaque_value_t request;
- njs_opaque_value_t request_body;
- ngx_str_t redirect_uri;
- njs_opaque_value_t promise_callbacks[2];
+ njs_vm_t *vm;
+ ngx_log_t *log;
+ ngx_uint_t done;
+ ngx_int_t status;
+ njs_opaque_value_t request;
+ njs_opaque_value_t request_body;
+ ngx_str_t redirect_uri;
+ njs_opaque_value_t promise_callbacks[2];
} ngx_http_js_ctx_t;


typedef struct {
- ngx_http_request_t *request;
- njs_vm_event_t vm_event;
- void *unused;
- ngx_int_t ident;
+ ngx_http_request_t *request;
+ njs_vm_event_t vm_event;
+ void *unused;
+ ngx_int_t ident;
} ngx_http_js_event_t;


@@ -55,24 +55,20 @@ static ngx_int_t ngx_http_js_init_vm(ngx
static void ngx_http_js_cleanup_ctx(void *data);
static void ngx_http_js_cleanup_vm(void *data);

-static njs_int_t ngx_http_js_ext_get_string(njs_vm_t *vm, njs_value_t *value,
- void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_keys_header(njs_vm_t *vm, void *obj,
+static njs_int_t ngx_http_js_ext_get_string(njs_vm_t *vm,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
+static njs_int_t ngx_http_js_ext_keys_header(njs_vm_t *vm, njs_value_t *value,
njs_value_t *keys, uintptr_t data);
static ngx_table_elt_t *ngx_http_js_get_header(ngx_list_part_t *part,
u_char *data, size_t len);
-static njs_int_t ngx_http_js_ext_get_header_out(njs_vm_t *vm,
- njs_value_t *value, void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_set_header_out(njs_vm_t *vm, void *obj,
- uintptr_t data, njs_str_t *value);
-static njs_int_t ngx_http_js_ext_delete_header_out(njs_vm_t *vm, void *obj,
- uintptr_t data, njs_bool_t delete);
-static njs_int_t ngx_http_js_ext_keys_header_out(njs_vm_t *vm, void *obj,
- njs_value_t *keys); /*FIXME*/
-static njs_int_t ngx_http_js_ext_get_status(njs_vm_t *vm, njs_value_t *value,
- void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_set_status(njs_vm_t *vm, void *obj,
- uintptr_t data, njs_str_t *value);
+static njs_int_t ngx_http_js_ext_header_out(njs_vm_t *vm,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
+static njs_int_t ngx_http_js_ext_keys_header_out(njs_vm_t *vm,
+ njs_value_t *value, njs_value_t *keys);
+static njs_int_t ngx_http_js_ext_status(njs_vm_t *vm, njs_object_prop_t *prop,
+ njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
static njs_int_t ngx_http_js_ext_send_header(njs_vm_t *vm, njs_value_t *args,
njs_uint_t nargs, njs_index_t unused);
static njs_int_t ngx_http_js_ext_send(njs_vm_t *vm, njs_value_t *args,
@@ -85,32 +81,30 @@ static njs_int_t ngx_http_js_ext_interna
njs_value_t *args, njs_uint_t nargs, njs_index_t unused);

static njs_int_t ngx_http_js_ext_log(njs_vm_t *vm, njs_value_t *args,
- njs_uint_t nargs, njs_index_t unused);
-static njs_int_t ngx_http_js_ext_warn(njs_vm_t *vm, njs_value_t *args,
- njs_uint_t nargs, njs_index_t unused);
-static njs_int_t ngx_http_js_ext_error(njs_vm_t *vm, njs_value_t *args,
- njs_uint_t nargs, njs_index_t unused);
-static njs_int_t ngx_http_js_ext_log_core(njs_vm_t *vm, njs_value_t *args,
- njs_uint_t nargs, ngx_uint_t level);
+ njs_uint_t nargs, njs_index_t level);

static njs_int_t ngx_http_js_ext_get_http_version(njs_vm_t *vm,
- njs_value_t *value, void *obj, uintptr_t data);
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
static njs_int_t ngx_http_js_ext_get_remote_address(njs_vm_t *vm,
- njs_value_t *value, void *obj, uintptr_t data);
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
static njs_int_t ngx_http_js_ext_get_request_body(njs_vm_t *vm,
- njs_value_t *value, void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_get_header_in(njs_vm_t *vm, njs_value_t *value,
- void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_keys_header_in(njs_vm_t *vm, void *obj,
- njs_value_t *keys); /*FIXME*/
-static njs_int_t ngx_http_js_ext_get_arg(njs_vm_t *vm, njs_value_t *value,
- void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_keys_arg(njs_vm_t *vm, void *obj,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
+static njs_int_t ngx_http_js_ext_get_header_in(njs_vm_t *vm,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
+static njs_int_t ngx_http_js_ext_keys_header_in(njs_vm_t *vm,
+ njs_value_t *value, njs_value_t *keys);
+static njs_int_t ngx_http_js_ext_get_arg(njs_vm_t *vm,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
+static njs_int_t ngx_http_js_ext_keys_arg(njs_vm_t *vm, njs_value_t *value,
njs_value_t *keys);
-static njs_int_t ngx_http_js_ext_get_variable(njs_vm_t *vm, njs_value_t *value,
- void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_set_variable(njs_vm_t *vm, void *obj,
- uintptr_t data, njs_str_t *value);
+static njs_int_t ngx_http_js_ext_variables(njs_vm_t *vm,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
static njs_int_t ngx_http_js_ext_subrequest(njs_vm_t *vm, njs_value_t *args,
njs_uint_t nargs, njs_index_t unused);
static ngx_int_t ngx_http_js_subrequest(ngx_http_request_t *r,
@@ -118,10 +112,12 @@ static ngx_int_t ngx_http_js_subrequest(
ngx_http_request_t **sr);
static ngx_int_t ngx_http_js_subrequest_done(ngx_http_request_t *r,
void *data, ngx_int_t rc);
-static njs_int_t ngx_http_js_ext_get_parent(njs_vm_t *vm, njs_value_t *value,
- void *obj, uintptr_t data);
-static njs_int_t ngx_http_js_ext_get_reply_body(njs_vm_t *vm,
- njs_value_t *value, void *obj, uintptr_t data);
+static njs_int_t ngx_http_js_ext_get_parent(njs_vm_t *vm,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);
+static njs_int_t ngx_http_js_ext_get_response_body(njs_vm_t *vm,
+ njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
+ njs_value_t *retval);

static njs_host_event_t ngx_http_js_set_timer(njs_external_ptr_t external,
uint64_t delay, njs_vm_event_t vm_event);
@@ -211,251 +207,234 @@ ngx_module_t ngx_http_js_module = {

static njs_external_t ngx_http_js_ext_request[] = {

- { njs_str("uri"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_string,
- NULL,
- NULL,
- NULL,
- NULL,
- offsetof(ngx_http_request_t, uri) },
-
- { njs_str("method"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_string,
- NULL,
- NULL,
- NULL,
- NULL,
- offsetof(ngx_http_request_t, method_name) },
-
- { njs_str("httpVersion"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_http_version,
- NULL,
- NULL,
- NULL,
- NULL,
- 0 },
-
- { njs_str("remoteAddress"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_remote_address,
- NULL,
- NULL,
- NULL,
- NULL,
- 0 },
-
- { njs_str("parent"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_parent,
- NULL,
- NULL,
- NULL,
- NULL,
- 0 },
-
- { njs_str("requestBody"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_request_body,
- NULL,
- NULL,
- NULL,
- NULL,
- 0 },
-
- { njs_str("responseBody"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_reply_body,
- NULL,
- NULL,
- NULL,
- NULL,
- 0 },
-
- { njs_str("headersIn"),
- NJS_EXTERN_OBJECT,
- NULL,
- 0,
- ngx_http_js_ext_get_header_in,
- NULL,
- NULL,
- ngx_http_js_ext_keys_header_in,
- NULL,
- 0 },
-
- { njs_str("args"),
- NJS_EXTERN_OBJECT,
- NULL,
- 0,
- ngx_http_js_ext_get_arg,
- NULL,
- NULL,
- ngx_http_js_ext_keys_arg,
- NULL,
- 0 },
-
- { njs_str("variables"),
- NJS_EXTERN_OBJECT,
- NULL,
- 0,
- ngx_http_js_ext_get_variable,
- ngx_http_js_ext_set_variable,
- NULL,
- NULL,
- NULL,
- 0 },
-
- { njs_str("status"),
- NJS_EXTERN_PROPERTY,
- NULL,
- 0,
- ngx_http_js_ext_get_status,
- ngx_http_js_ext_set_status,
- NULL,
- NULL,
- NULL,
- 0 },
-
- { njs_str("headersOut"),
- NJS_EXTERN_OBJECT,
- NULL,
- 0,
- ngx_http_js_ext_get_header_out,
- ngx_http_js_ext_set_header_out,
- ngx_http_js_ext_delete_header_out,
- ngx_http_js_ext_keys_header_out,
- NULL,
- 0 },
-
- { njs_str("subrequest"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_subrequest,
- 0 },
-
- { njs_str("log"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_log,
- 0 },
-
- { njs_str("warn"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_warn,
- 0 },
-
- { njs_str("error"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_error,
- 0 },
-
- { njs_str("sendHeader"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_send_header,
- 0 },
-
- { njs_str("send"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_send,
- 0 },
-
- { njs_str("finish"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_finish,
- 0 },
-
- { njs_str("return"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_return,
- 0 },
-
- { njs_str("internalRedirect"),
- NJS_EXTERN_METHOD,
- NULL,
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_http_js_ext_internal_redirect,
- 0 },
-};
-
-
-static njs_external_t ngx_http_js_externals[] = {
-
- { njs_str("request"),
- NJS_EXTERN_OBJECT,
- ngx_http_js_ext_request,
- njs_nitems(ngx_http_js_ext_request),
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- 0 },
+ {
+ .flags = NJS_EXTERN_PROPERTY | NJS_EXTERN_SYMBOL,
+ .name.symbol = NJS_SYMBOL_TO_STRING_TAG,
+ .u.property = {
+ .value = "Request",
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("uri"),
+ .enumerable = 1,
+ .u.property = {
+ .handler = ngx_http_js_ext_get_string,
+ .magic32 = offsetof(ngx_http_request_t, uri),
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("method"),
+ .enumerable = 1,
+ .u.property = {
+ .handler = ngx_http_js_ext_get_string,
+ .magic32 = offsetof(ngx_http_request_t, method_name),
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("httpVersion"),
+ .enumerable = 1,
+ .u.property = {
+ .handler = ngx_http_js_ext_get_http_version,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("remoteAddress"),
+ .enumerable = 1,
+ .u.property = {
+ .handler = ngx_http_js_ext_get_remote_address,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("requestBody"),
+ .enumerable = 1,
+ .u.property = {
+ .handler = ngx_http_js_ext_get_request_body,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("parent"),
+ .u.property = {
+ .handler = ngx_http_js_ext_get_parent,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("responseBody"),
+ .enumerable = 1,
+ .u.property = {
+ .handler = ngx_http_js_ext_get_response_body,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_OBJECT,
+ .name.string = njs_str("headersIn"),
+ .enumerable = 1,
+ .u.object = {
+ .enumerable = 1,
+ .prop_handler = ngx_http_js_ext_get_header_in,
+ .keys = ngx_http_js_ext_keys_header_in,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_OBJECT,
+ .name.string = njs_str("args"),
+ .enumerable = 1,
+ .u.object = {
+ .enumerable = 1,
+ .prop_handler = ngx_http_js_ext_get_arg,
+ .keys = ngx_http_js_ext_keys_arg,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_OBJECT,
+ .name.string = njs_str("variables"),
+ .u.object = {
+ .writable = 1,
+ .prop_handler = ngx_http_js_ext_variables,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_PROPERTY,
+ .name.string = njs_str("status"),
+ .writable = 1,
+ .enumerable = 1,
+ .u.property = {
+ .handler = ngx_http_js_ext_status,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_OBJECT,
+ .name.string = njs_str("headersOut"),
+ .enumerable = 1,
+ .u.object = {
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .prop_handler = ngx_http_js_ext_header_out,
+ .keys = ngx_http_js_ext_keys_header_out,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("subrequest"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_subrequest,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("log"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_log,
+ .magic8 = NGX_LOG_INFO,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("warn"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_log,
+ .magic8 = NGX_LOG_WARN,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("error"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_log,
+ .magic8 = NGX_LOG_ERR,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("sendHeader"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_send_header,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("send"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_send,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("finish"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_finish,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("return"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_return,
+ }
+ },
+
+ {
+ .flags = NJS_EXTERN_METHOD,
+ .name.string = njs_str("internalRedirect"),
+ .writable = 1,
+ .configurable = 1,
+ .enumerable = 1,
+ .u.method = {
+ .native = ngx_http_js_ext_internal_redirect,
+ }
+ },
+
};


@@ -745,7 +724,7 @@ ngx_http_js_init_vm(ngx_http_request_t *
}

rc = njs_vm_external_create(ctx->vm, njs_value_arg(&ctx->request),
- jmcf->req_proto, r);
+ jmcf->req_proto, r, 0);
if (rc != NJS_OK) {
return NGX_ERROR;
}
@@ -777,29 +756,32 @@ ngx_http_js_cleanup_vm(void *data)


static njs_int_t
-ngx_http_js_ext_get_string(njs_vm_t *vm, njs_value_t *value, void *obj,
- uintptr_t data)
+ngx_http_js_ext_get_string(njs_vm_t *vm, njs_object_prop_t *prop,
+ njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
- char *p = obj;
-
+ char *p;
ngx_str_t *field;

- field = (ngx_str_t *) (p + data);
-
- return njs_vm_value_string_set(vm, value, field->data, field->len);
+ p = njs_vm_external(vm, value);
+ if (p == NULL) {
+ njs_value_undefined_set(retval);
+ return NJS_DECLINED;
+ }
+
+ field = (ngx_str_t *) (p + njs_vm_prop_magic32(prop));
+
+ return njs_vm_value_string_set(vm, retval, field->data, field->len);
}


static njs_int_t
-ngx_http_js_ext_keys_header(njs_vm_t *vm, void *obj, njs_value_t *keys,
+ngx_http_js_ext_keys_header(njs_vm_t *vm, njs_value_t *value, njs_value_t *keys,
uintptr_t data)
{
- char *p = obj;
-
+ char *p;
njs_int_t rc, cookie, x_for;
ngx_uint_t item;
ngx_list_t *headers;
- njs_value_t *value;
ngx_list_part_t *part;
ngx_table_elt_t *header, *h;

@@ -808,6 +790,11 @@ ngx_http_js_ext_keys_header(njs_vm_t *vm
return NJS_ERROR;
}

+ p = njs_vm_external(vm, value);
+ if (p == NULL) {
+ return NJS_OK;
+ }
+
headers = (ngx_list_t *) (p + data);
part = &headers->part;
item = 0;
@@ -903,78 +890,96 @@ ngx_http_js_get_header(ngx_list_part_t *


static njs_int_t
-ngx_http_js_ext_get_header_out(njs_vm_t *vm, njs_value_t *value, void *obj,
- uintptr_t data)
+ngx_http_js_ext_header_out(njs_vm_t *vm, njs_object_prop_t *prop,
+ njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
u_char *p, *start;
- njs_str_t *v;
+ njs_int_t rc;
+ ngx_int_t n;
+ njs_str_t *v, s, name;
ngx_str_t *hdr;
ngx_table_elt_t *h;
ngx_http_request_t *r;
u_char content_len[NGX_OFF_T_LEN];

- r = (ngx_http_request_t *) obj;
- v = (njs_str_t *) data;
+ r = njs_vm_external(vm, value);
+ if (r == NULL) {
+ if (retval != NULL) {
+ njs_value_undefined_set(retval);
+ }
+
+ return NJS_DECLINED;
+ }
+
+ rc = njs_vm_prop_name(vm, prop, &name);
+ if (rc != NJS_OK) {
+ if (retval != NULL) {
+ njs_value_undefined_set(retval);
+ }
+
+ return NJS_DECLINED;
+ }
+
+ v = &name;
+
+ if (retval != NULL && setval == NULL) {
+ if (v->length == njs_length("Content-Type")
+ && ngx_strncasecmp(v->start, (u_char *) "Content-Type",
+ v->length) == 0)
+ {
+ hdr = &r->headers_out.content_type;
+ return njs_vm_value_string_set(vm, retval, hdr->data, hdr->len);
+ }
+
+ if (v->length == njs_length("Content-Length")
+ && ngx_strncasecmp(v->start, (u_char *) "Content-Length",
+ v->length) == 0)
+ {
+ if (r->headers_out.content_length == NULL
+ && r->headers_out.content_length_n >= 0)
+ {
+ p = ngx_sprintf(content_len, "%O",
+ r->headers_out.content_length_n);
+
+ start = njs_vm_value_string_alloc(vm, retval, p - content_len);
+ if (start == NULL) {
+ return NJS_ERROR;
+ }
+
+ ngx_memcpy(start, content_len, p - content_len);
+
+ return NJS_OK;
+ }
+ }
+
+ h = ngx_http_js_get_header(&r->headers_out.headers.part, v->start,
+ v->length);
+ if (h == NULL) {
+ njs_value_undefined_set(retval);
+ return NJS_DECLINED;
+ }
+
+ return njs_vm_value_string_set(vm, retval, h->value.data, h->value.len);
+ }
+
+ if (setval != NULL) {
+ rc = ngx_http_js_string(vm, setval, &s);
+ if (rc != NJS_OK) {
+ return NJS_ERROR;
+ }
+
+ } else {
+ s.length = 0;
+ s.start = NULL;
+ }

if (v->length == njs_length("Content-Type")
&& ngx_strncasecmp(v->start, (u_char *) "Content-Type",
v->length) == 0)
{
- hdr = &r->headers_out.content_type;
- return njs_vm_value_string_set(vm, value, hdr->data, hdr->len);
- }
-
- if (v->length == njs_length("Content-Length")
- && ngx_strncasecmp(v->start, (u_char *) "Content-Length",
- v->length) == 0)
- {
- if (r->headers_out.content_length == NULL
- && r->headers_out.content_length_n >= 0)
- {
- p = ngx_sprintf(content_len, "%O", r->headers_out.content_length_n);
-
- start = njs_vm_value_string_alloc(vm, value, p - content_len);
- if (start == NULL) {
- return NJS_ERROR;
- }
-
- ngx_memcpy(start, content_len, p - content_len);
-
- return NJS_OK;
- }
- }
-
- h = ngx_http_js_get_header(&r->headers_out.headers.part, v->start,
- v->length);
- if (h == NULL) {
- njs_value_undefined_set(value);
- return NJS_OK;
- }
-
- return njs_vm_value_string_set(vm, value, h->value.data, h->value.len);
-}
-
-
-static njs_int_t
-ngx_http_js_ext_set_header_out(njs_vm_t *vm, void *obj, uintptr_t data,
- njs_str_t *value)
-{
- u_char *p;
- ngx_int_t n;
- njs_str_t *v;
- ngx_table_elt_t *h;
- ngx_http_request_t *r;
-
- r = (ngx_http_request_t *) obj;
- v = (njs_str_t *) data;
-
- if (v->length == njs_length("Content-Type")
- && ngx_strncasecmp(v->start, (u_char *) "Content-Type",
- v->length) == 0)
- {
- r->headers_out.content_type.len = value->length;
+ r->headers_out.content_type.len = s.length;
r->headers_out.content_type_len = r->headers_out.content_type.len;
- r->headers_out.content_type.data = value->start;
+ r->headers_out.content_type.data = s.start;
r->headers_out.content_type_lowcase = NULL;

return NJS_OK;
@@ -983,12 +988,12 @@ ngx_http_js_ext_set_header_out(njs_vm_t
h = ngx_http_js_get_header(&r->headers_out.headers.part, v->start,
v->length);

- if (h != NULL && value->length == 0) {
+ if (h != NULL && s.length == 0) {
h->hash = 0;
h = NULL;
}

- if (h == NULL && value->length != 0) {
+ if (h == NULL && s.length != 0) {
h = ngx_list_push(&r->headers_out.headers);
if (h == NULL) {
return NJS_ERROR;
@@ -1006,15 +1011,15 @@ ngx_http_js_ext_set_header_out(njs_vm_t
}

if (h != NULL) {
- p = ngx_pnalloc(r->pool, value->length);
+ p = ngx_pnalloc(r->pool, s.length);
if (p == NULL) {
return NJS_ERROR;
}

- ngx_memcpy(p, value->start, value->length);
+ ngx_memcpy(p, s.start, s.length);

h->value.data = p;
- h->value.len = value->length;
+ h->value.len = s.length;
h->hash = 1;
}

@@ -1030,7 +1035,7 @@ ngx_http_js_ext_set_header_out(njs_vm_t
v->length) == 0)
{
if (h != NULL) {
- n = ngx_atoi(value->start, value->length);
+ n = ngx_atoi(s.start, s.length);
if (n == NGX_ERROR) {
h->hash = 0;
njs_vm_error(vm, "failed converting argument to integer");
@@ -1050,53 +1055,44 @@ ngx_http_js_ext_set_header_out(njs_vm_t


static njs_int_t
-ngx_http_js_ext_delete_header_out(njs_vm_t *vm, void *obj, uintptr_t data,
- njs_bool_t unused)
+ngx_http_js_ext_keys_header_out(njs_vm_t *vm, njs_value_t *value,
+ njs_value_t *keys)
{
- njs_str_t value;
-
- value = njs_str_value("");
-
- return ngx_http_js_ext_set_header_out(vm, obj, data, &value);
-}
-
-
-static njs_int_t
-ngx_http_js_ext_keys_header_out(njs_vm_t *vm, void *obj, njs_value_t *keys)
-{
- return ngx_http_js_ext_keys_header(vm, obj, keys,
+ return ngx_http_js_ext_keys_header(vm, value, keys,
offsetof(ngx_http_request_t, headers_out.headers));
}


static njs_int_t
-ngx_http_js_ext_get_status(njs_vm_t *vm, njs_value_t *value, void *obj,
- uintptr_t data)
+ngx_http_js_ext_status(njs_vm_t *vm, njs_object_prop_t *prop,
+ njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
+ njs_int_t rc;
+ ngx_int_t n;
+ njs_str_t s;
ngx_http_request_t *r;

- r = (ngx_http_request_t *) obj;
-
- njs_value_number_set(value, r->headers_out.status);
-
- return NJS_OK;
-}
-
-
-static njs_int_t
-ngx_http_js_ext_set_status(njs_vm_t *vm, void *obj, uintptr_t data,
- njs_str_t *value)
-{
- ngx_int_t n;
- ngx_http_request_t *r;
-
- n = ngx_atoi(value->start, value->length);
+ r = njs_vm_external(vm, value);
+ if (r == NULL) {
+ njs_value_undefined_set(retval);
+ return NJS_DECLINED;
+ }
+
+ if (setval == NULL) {
+ njs_value_number_set(retval, r->headers_out.status);
+ return NJS_OK;
+ }
+
+ rc = ngx_http_js_string(vm, setval, &s);
+ if (rc != NJS_OK) {
+ return NJS_ERROR;
+ }
+
+ n = ngx_atoi(s.start, s.length);
if (n == NGX_ERROR) {
return NJS_ERROR;
}

- r = (ngx_http_request_t *) obj;
-
r->headers_out.status = n;

return NJS_OK;
@@ -1110,7 +1106,8 @@ ngx_http_js_ext_send_header(njs_vm_t *vm
ngx_http_request_t *r;

r = njs_vm_external(vm, njs_arg(args, nargs, 0));
- if (njs_slow_path(r == NULL)) {
+ if (r == NULL) {
+ njs_vm_error(vm, "\"this\" is not an external");
return NJS_ERROR;
}

@@ -1139,7 +1136,8 @@ ngx_http_js_ext_send(njs_vm_t *vm, njs_v
ngx_http_request_t *r;

r = njs_vm_external(vm, njs_arg(args, nargs, 0));
- if (njs_slow_path(r == NULL)) {
+ if (r == NULL) {
+ njs_vm_error(vm, "\"this\" is not an external");
return NJS_ERROR;
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Subject Author Views Posted

[njs] Refactored externals.

Dmitry Volyntsev 52 March 20, 2020 10:58AM



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