/var/runtime/node_modules/@aws-sdk/node_modules/aws-crt/source
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#ifndef AWS_CRT_NODEJS_MODULE_H#define AWS_CRT_NODEJS_MODULE_H/** * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * SPDX-License-Identifier: Apache-2.0. */ #include <aws/common/byte_buf.h>#include <aws/common/logging.h>#include <aws/common/string.h> #define WIN32_LEAN_AND_MEAN /* Suppress compiler warnings from node_api.h. * See: https://github.com/nodejs/node/pull/49103 */#if defined(__clang__) || defined(__GNUC__)# pragma GCC diagnostic push# pragma GCC diagnostic ignored "-Wstrict-prototypes"#endif #define NAPI_VERSION 4#include <node_api.h> #if defined(__clang__) || defined(__GNUC__)# pragma GCC diagnostic pop#endif #define AWS_CRT_NODEJS_PACKAGE_ID 11 struct aws_client_bootstrap;struct aws_event_loop;struct aws_event_loop_group; enum aws_crt_nodejs_errors { AWS_CRT_NODEJS_ERROR_THREADSAFE_FUNCTION_NULL_NAPI_ENV = AWS_ERROR_ENUM_BEGIN_RANGE(AWS_CRT_NODEJS_PACKAGE_ID), AWS_CRT_NODEJS_ERROR_NAPI_FAILURE, AWS_CRT_NODEJS_ERROR_EVENT_STREAM_USER_CLOSE, AWS_CRT_NODEJS_ERROR_END_RANGE = AWS_ERROR_ENUM_END_RANGE(AWS_CRT_NODEJS_PACKAGE_ID)}; enum aws_napi_log_subject { AWS_LS_NODEJS_CRT_GENERAL = AWS_LOG_SUBJECT_BEGIN_RANGE(AWS_CRT_NODEJS_PACKAGE_ID), AWS_LS_NODEJS_CRT_LAST = AWS_LOG_SUBJECT_END_RANGE(AWS_CRT_NODEJS_PACKAGE_ID),}; /* * Helper functions for constructing JS objects. * * These create and attach properties of the associated JS type to an object. For each type, two versions * exist - one version taking the parameter value directly, another taking a pointer making it optional. In this * case, if the pointer is NULL, nothing is done. */int aws_napi_attach_object_property_boolean(napi_value object, napi_env env, const char *key_name, bool value); int aws_napi_attach_object_property_optional_boolean( napi_value object, napi_env env, const char *key_name, const bool *value); int aws_napi_attach_object_property_u64(napi_value object, napi_env env, const char *key_name, uint64_t value); int aws_napi_attach_object_property_optional_u64( napi_value object, napi_env env, const char *key_name, const uint64_t *value); int aws_napi_attach_object_property_u32(napi_value object, napi_env env, const char *key_name, uint32_t value); int aws_napi_attach_object_property_optional_u32( napi_value object, napi_env env, const char *key_name, const uint32_t *value); int aws_napi_attach_object_property_i32(napi_value object, napi_env env, const char *key_name, int32_t value); int aws_napi_attach_object_property_u16(napi_value object, napi_env env, const char *key_name, uint16_t value); int aws_napi_attach_object_property_optional_u16( napi_value object, napi_env env, const char *key_name, const uint16_t *value); int aws_napi_attach_object_property_string( napi_value object, napi_env env, const char *key_name, struct aws_byte_cursor value); int aws_napi_attach_object_property_optional_string( napi_value object, napi_env env, const char *key_name, const struct aws_byte_cursor *value); int aws_napi_attach_object_property_binary_as_finalizable_external( napi_value object, napi_env env, const char *key_name, struct aws_byte_buf *data_buffer); /* * Helper functions for deconstructing JS objects into native data. */ enum aws_napi_get_named_property_result { AWS_NGNPR_VALID_VALUE, AWS_NGNPR_INVALID_VALUE, AWS_NGNPR_NO_VALUE,}; /* * Gets the property on an object, if it exists, with the supplied name. If 'type' is not napi_undefined, then * the type of the property must match the passed in value. */enum aws_napi_get_named_property_result aws_napi_get_named_property( napi_env env, napi_value object, const char *name, napi_valuetype type, napi_value *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_boolean_as_uint8( napi_env env, napi_value object, const char *name, uint8_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_uint8( napi_env env, napi_value object, const char *name, uint8_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_int8( napi_env env, napi_value object, const char *name, int8_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_uint16( napi_env env, napi_value object, const char *name, uint16_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_int16( napi_env env, napi_value object, const char *name, int16_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_uint32( napi_env env, napi_value object, const char *name, uint32_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_int32( napi_env env, napi_value object, const char *name, int32_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_uint64( napi_env env, napi_value object, const char *name, uint64_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_int64( napi_env env, napi_value object, const char *name, int64_t *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_boolean( napi_env env, napi_value object, const char *name, bool *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_as_bytebuf( napi_env env, napi_value object, const char *name, napi_valuetype type, struct aws_byte_buf *result); enum aws_napi_get_named_property_result aws_napi_get_named_property_buffer_length( napi_env env, napi_value object, const char *name, napi_valuetype type, size_t *length_out); int aws_napi_get_property_array_size( napi_env env, napi_value object, const char *property_name, size_t *array_size_out); int aws_napi_value_get_storage_length(napi_env env, napi_value value, size_t *storage_length); int aws_napi_value_bytebuf_append( napi_env env, napi_value value, struct aws_byte_buf *output_buffer, struct aws_byte_cursor *bytes_written_cursor); napi_status aws_byte_buf_init_from_napi(struct aws_byte_buf *buf, napi_env env, napi_value node_str);struct aws_string *aws_string_new_from_napi(napi_env env, napi_value node_str);/** Copies data from cur into a new ArrayBuffer, then returns a DataView to the buffer. */napi_status aws_napi_create_dataview_from_byte_cursor( napi_env env, const struct aws_byte_cursor *cur, napi_value *result); bool aws_napi_is_null_or_undefined(napi_env env, napi_value value); void aws_napi_throw_last_error(napi_env env);void aws_napi_throw_last_error_with_context(napi_env env, const char *context); struct uv_loop_s *aws_napi_get_node_uv_loop(void);struct aws_event_loop *aws_napi_get_node_event_loop(void);struct aws_event_loop_group *aws_napi_get_node_elg(void);struct aws_client_bootstrap *aws_napi_get_default_client_bootstrap(void); const char *aws_napi_status_to_str(napi_status status); /* * Wrapper around napi_create_external_arraybuffer, * The function returns `napi_ok` if array buffer is created successfully in nodejs. Otherwise returns the error code. * The user is responsible to release/proceed the `external_data` if the creation failed. * * `aws_napi_create_external_arraybuffer` handles the creation of the arraybuffer from the `external_data`. As * some runtimes other than Node.js have dropped support for external buffers, the napi function call will fail in such * case. If the call failed, the function will directly create an arraybuffer in Node and copy the data of external * buffer into it. Once data copied, the `finalize_cb` will be immediately invoked to release the external data. * */napi_status aws_napi_create_external_arraybuffer( napi_env env, void *external_data, size_t byte_length, napi_finalize finalize_cb, void *finalize_hint, napi_value *result); /** * Gets the allocator used to allocate native resources in the node environment, should be used * by all binding code in this extension */struct aws_allocator *aws_napi_get_allocator(void); /** * Wrapper around napi_call_function that automatically substitutes undefined for a null this_ptr * and un-pins the function reference when the call completes. Also handles known recoverable * call failure cases before returning. Does not care about return value, since this is a non-blocking * call into node. * * @return napi_ok - call was successful * napi_closing - function has been released, and is shutting down, execution is ok to continue though * other napi_status values - unhandled, up to caller */napi_status aws_napi_dispatch_threadsafe_function( napi_env env, napi_threadsafe_function tsfn, napi_value this_ptr, napi_value function, size_t argc, napi_value *argv); /** * Wrapper around napi_create_threadsafe_function, * aws_napi_release_threadsafe_function needed to clean up the threadsafe function * Note: If you want to release a thread safe function from within that thread safe function's callback, call unref * instead, and the function will be finalized later by the environment. */napi_status aws_napi_create_threadsafe_function( napi_env env, napi_value function, const char *name, napi_threadsafe_function_call_js call_js, void *context, napi_threadsafe_function *result); /** * Wrapper around napi_acquire_threadsafe_function, * check the function before acquiring it. */napi_status aws_napi_acquire_threadsafe_function(napi_threadsafe_function function); /** * Wrapper around napi_release_threadsafe_function, * check the function before releasing it. */napi_status aws_napi_release_threadsafe_function( napi_threadsafe_function function, napi_threadsafe_function_release_mode mode); /** * Wrapper around napi_unref_threadsafe_function, * Incase release the threadsafe function from that function is needed, unref will let env go * and the function will be cleaned up as env clean itself up */napi_status aws_napi_unref_threadsafe_function(napi_env env, napi_threadsafe_function function); /** * Wrapper around napi_call_threadsafe_function that always queues (napi_tsfn_nonblocking) * and pins the function reference until the call completes */napi_status aws_napi_queue_threadsafe_function(napi_threadsafe_function function, void *user_data); /** * Disable the thread safe function operations. The function will prevent any access to threadsafe function * including acquire, release, function call and so on. */napi_value aws_napi_disable_threadsafe_function(napi_env env, napi_callback_info info); /* * One of these will be allocated each time the module init function is called * Any global state that isn't thread safe or requires clean up should be stored * on this so that it can be tracked and cleaned up */struct aws_napi_context { napi_env env; struct aws_allocator *allocator; struct aws_napi_logger_ctx *logger;}; #define _AWS_NAPI_ERROR_MSG(call, source) "N-API call failed: " call "\n @ " source#define _AWS_NAPI_PASTE(x) x#define _AWS_NAPI_TOSTR(x) #x#define _AWS_NAPI_TOSTRING(x) _AWS_NAPI_TOSTR(x)#define _AWS_NAPI_SOURCE __FILE__ ":" _AWS_NAPI_TOSTRING(__LINE__) #define AWS_NAPI_LOGF_ERROR(...) \ do { \ fprintf(stderr, __VA_ARGS__); \ fprintf(stderr, "\n"); \ } while (0) #define AWS_NAPI_LOGF_FATAL(...) \ do { \ fprintf(stderr, __VA_ARGS__); \ fprintf(stderr, "\n"); \ } while (0) /* * AWS_NAPI_CALL(env, napi_xxx(args...), { return NULL; }) will ensure that a failed result is logged as an error * immediately */#define AWS_NAPI_CALL(env, call, on_fail) \ do { \ napi_status status = (call); \ if (status != napi_ok) { \ AWS_NAPI_LOGF_ERROR( \ _AWS_NAPI_PASTE(_AWS_NAPI_ERROR_MSG(#call, _AWS_NAPI_SOURCE)) _AWS_NAPI_PASTE(": %s"), \ aws_napi_status_to_str(status)); \ on_fail; \ } \ } while (0) /* * AWS_NAPI_ENSURE(env, napi_xxx(args...)) is for when logging is not available, or a failure should immediately * end the process. The file and line of the call will be reported. */#define AWS_NAPI_ENSURE(env, call) \ do { \ (void)env; \ napi_status status = (call); \ if (status != napi_ok) { \ AWS_NAPI_LOGF_FATAL( \ _AWS_NAPI_PASTE(_AWS_NAPI_ERROR_MSG(#call, _AWS_NAPI_SOURCE)) _AWS_NAPI_PASTE(": %s"), \ aws_napi_status_to_str(status)); \ aws_fatal_assert(#call, __FILE__, __LINE__); \ } \ } while (0) #define AWS_CLEAN_THREADSAFE_FUNCTION(binding_name, function_name) \ if (binding_name->function_name != NULL) { \ AWS_NAPI_ENSURE(NULL, aws_napi_release_threadsafe_function(binding_name->function_name, napi_tsfn_abort)); \ binding_name->function_name = NULL; \ } #define EXTRACT_REQUIRED_NAPI_PROPERTY(property_name, function_name, call_expression, success_block, void_handle) \ { \ enum aws_napi_get_named_property_result gpr = call_expression; \ if (gpr == AWS_NGNPR_VALID_VALUE) { \ success_block; \ } else if (gpr == AWS_NGNPR_INVALID_VALUE) { \ AWS_LOGF_ERROR( \ AWS_LS_NODEJS_CRT_GENERAL, \ "id=%p %s - %s: %s", \ ((void *)void_handle), \ function_name, \ "invalid value for property", \ property_name); \ return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT); \ } else { \ AWS_LOGF_ERROR( \ AWS_LS_NODEJS_CRT_GENERAL, \ "id=%p %s - %s: %s", \ ((void *)void_handle), \ function_name, \ "failed to extract required property", \ property_name); \ return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT); \ } \ } #define EXTRACT_OPTIONAL_NAPI_PROPERTY(property_name, function_name, call_expression, success_block, void_handle) \ { \ enum aws_napi_get_named_property_result gpr = call_expression; \ if (gpr == AWS_NGNPR_VALID_VALUE) { \ success_block; \ } else if (gpr == AWS_NGNPR_INVALID_VALUE) { \ AWS_LOGF_ERROR( \ AWS_LS_NODEJS_CRT_GENERAL, \ "id=%p %s - %s: %s", \ ((void *)void_handle), \ function_name, \ "invalid value for property", \ property_name); \ return aws_raise_error(AWS_ERROR_INVALID_ARGUMENT); \ } \ } #endif /* AWS_CRT_NODEJS_MODULE_H */