mirror of https://github.com/nodejs/node.git
130 lines
4.2 KiB
C
130 lines
4.2 KiB
C
#include <node_api.h>
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#include <assert.h>
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#include "../../js-native-api/common.h"
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#define MAX_ARGUMENTS 10
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#define RESERVED_ARGS 3
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static napi_value MakeCallback(napi_env env, napi_callback_info info) {
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size_t argc = MAX_ARGUMENTS;
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size_t n;
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napi_value args[MAX_ARGUMENTS];
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// NOLINTNEXTLINE (readability/null_usage)
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NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
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NAPI_ASSERT(env, argc > 0, "Wrong number of arguments");
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napi_value async_context_wrap = args[0];
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napi_value recv = args[1];
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napi_value func = args[2];
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napi_value argv[MAX_ARGUMENTS - RESERVED_ARGS];
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for (n = RESERVED_ARGS; n < argc; n += 1) {
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argv[n - RESERVED_ARGS] = args[n];
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}
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napi_valuetype func_type;
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NAPI_CALL(env, napi_typeof(env, func, &func_type));
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napi_async_context context;
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NAPI_CALL(env, napi_unwrap(env, async_context_wrap, (void**)&context));
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napi_value result;
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if (func_type == napi_function) {
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NAPI_CALL(env, napi_make_callback(
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env, context, recv, func, argc - RESERVED_ARGS, argv, &result));
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} else {
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NAPI_ASSERT(env, false, "Unexpected argument type");
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}
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return result;
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}
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static void AsyncDestroyCb(napi_env env, void* data, void* hint) {
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napi_status status = napi_async_destroy(env, (napi_async_context)data);
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// We cannot use NAPI_ASSERT_RETURN_VOID because we need to have a JS stack
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// below in order to use exceptions.
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assert(status == napi_ok);
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}
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#define CREATE_ASYNC_RESOURCE_ARGC 2
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static napi_value CreateAsyncResource(napi_env env, napi_callback_info info) {
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napi_value async_context_wrap;
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NAPI_CALL(env, napi_create_object(env, &async_context_wrap));
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size_t argc = CREATE_ASYNC_RESOURCE_ARGC;
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napi_value args[CREATE_ASYNC_RESOURCE_ARGC];
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// NOLINTNEXTLINE (readability/null_usage)
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NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
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napi_value resource = args[0];
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napi_value js_destroy_on_finalizer = args[1];
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napi_valuetype resource_type;
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NAPI_CALL(env, napi_typeof(env, resource, &resource_type));
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if (resource_type != napi_object) {
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resource = NULL;
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}
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napi_value resource_name;
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NAPI_CALL(env, napi_create_string_utf8(
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env, "test_async", NAPI_AUTO_LENGTH, &resource_name));
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napi_async_context context;
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NAPI_CALL(env, napi_async_init(env, resource, resource_name, &context));
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bool destroy_on_finalizer = true;
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if (argc == 2) {
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NAPI_CALL(env, napi_get_value_bool(env, js_destroy_on_finalizer, &destroy_on_finalizer));
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}
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if (resource_type == napi_object && destroy_on_finalizer) {
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NAPI_CALL(env, napi_add_finalizer(
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env, resource, (void*)context, AsyncDestroyCb, NULL, NULL));
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}
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NAPI_CALL(env, napi_wrap(env, async_context_wrap, context, NULL, NULL, NULL));
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return async_context_wrap;
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}
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#define DESTROY_ASYNC_RESOURCE_ARGC 1
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static napi_value DestroyAsyncResource(napi_env env, napi_callback_info info) {
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size_t argc = DESTROY_ASYNC_RESOURCE_ARGC;
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napi_value args[DESTROY_ASYNC_RESOURCE_ARGC];
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// NOLINTNEXTLINE (readability/null_usage)
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NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
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NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
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napi_value async_context_wrap = args[0];
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napi_async_context async_context;
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NAPI_CALL(env,
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napi_remove_wrap(env, async_context_wrap, (void**)&async_context));
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NAPI_CALL(env, napi_async_destroy(env, async_context));
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return async_context_wrap;
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}
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static
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napi_value Init(napi_env env, napi_value exports) {
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napi_value fn;
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NAPI_CALL(env, napi_create_function(
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// NOLINTNEXTLINE (readability/null_usage)
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env, NULL, NAPI_AUTO_LENGTH, MakeCallback, NULL, &fn));
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NAPI_CALL(env, napi_set_named_property(env, exports, "makeCallback", fn));
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NAPI_CALL(env, napi_create_function(
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// NOLINTNEXTLINE (readability/null_usage)
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env, NULL, NAPI_AUTO_LENGTH, CreateAsyncResource, NULL, &fn));
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NAPI_CALL(env, napi_set_named_property(
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env, exports, "createAsyncResource", fn));
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NAPI_CALL(env, napi_create_function(
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// NOLINTNEXTLINE (readability/null_usage)
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env, NULL, NAPI_AUTO_LENGTH, DestroyAsyncResource, NULL, &fn));
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NAPI_CALL(env, napi_set_named_property(
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env, exports, "destroyAsyncResource", fn));
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return exports;
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}
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NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)
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