mirror of
https://github.com/valitydev/thrift.git
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ccae884739
Disable native method table usage. git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@799693 13f79535-47bb-0310-9956-ffa450edef68
607 lines
18 KiB
C
607 lines
18 KiB
C
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include <struct.h>
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#include <constants.h>
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#include "macros.h"
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#ifndef HAVE_STRLCPY
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static
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size_t
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strlcpy (char *dst, const char *src, size_t dst_sz)
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{
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size_t n;
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for (n = 0; n < dst_sz; n++) {
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if ((*dst++ = *src++) == '\0')
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break;
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}
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if (n < dst_sz)
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return n;
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if (n > 0)
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*(dst - 1) = '\0';
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return n + strlen (src);
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}
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#endif
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static native_proto_method_table *mt;
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static native_proto_method_table *default_mt;
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// static VALUE last_proto_class = Qnil;
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#define IS_CONTAINER(ttype) ((ttype) == TTYPE_MAP || (ttype) == TTYPE_LIST || (ttype) == TTYPE_SET)
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#define STRUCT_FIELDS(obj) rb_const_get(CLASS_OF(obj), fields_const_id)
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// static void set_native_proto_function_pointers(VALUE protocol) {
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// VALUE method_table_object = rb_const_get(CLASS_OF(protocol), rb_intern("@native_method_table"));
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// // TODO: check nil?
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// Data_Get_Struct(method_table_object, native_proto_method_table, mt);
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// }
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// static void check_native_proto_method_table(VALUE protocol) {
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// VALUE protoclass = CLASS_OF(protocol);
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// if (protoclass != last_proto_class) {
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// last_proto_class = protoclass;
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// if (rb_funcall(protocol, native_qmark_method_id, 0) == Qtrue) {
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// set_native_proto_function_pointers(protocol);
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// } else {
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// mt = default_mt;
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// }
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// }
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// }
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//-------------------------------------------
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// Writing section
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//-------------------------------------------
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// default fn pointers for protocol stuff here
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VALUE default_write_bool(VALUE protocol, VALUE value) {
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rb_funcall(protocol, write_boolean_method_id, 1, value);
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return Qnil;
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}
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VALUE default_write_byte(VALUE protocol, VALUE value) {
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rb_funcall(protocol, write_byte_method_id, 1, value);
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return Qnil;
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}
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VALUE default_write_i16(VALUE protocol, VALUE value) {
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rb_funcall(protocol, write_i16_method_id, 1, value);
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return Qnil;
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}
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VALUE default_write_i32(VALUE protocol, VALUE value) {
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rb_funcall(protocol, write_i32_method_id, 1, value);
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return Qnil;
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}
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VALUE default_write_i64(VALUE protocol, VALUE value) {
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rb_funcall(protocol, write_i64_method_id, 1, value);
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return Qnil;
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}
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VALUE default_write_double(VALUE protocol, VALUE value) {
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rb_funcall(protocol, write_double_method_id, 1, value);
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return Qnil;
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}
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VALUE default_write_string(VALUE protocol, VALUE value) {
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rb_funcall(protocol, write_string_method_id, 1, value);
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return Qnil;
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}
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VALUE default_write_list_begin(VALUE protocol, VALUE etype, VALUE length) {
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rb_funcall(protocol, write_list_begin_method_id, 2, etype, length);
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return Qnil;
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}
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VALUE default_write_list_end(VALUE protocol) {
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rb_funcall(protocol, write_list_end_method_id, 0);
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return Qnil;
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}
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VALUE default_write_set_begin(VALUE protocol, VALUE etype, VALUE length) {
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rb_funcall(protocol, write_set_begin_method_id, 2, etype, length);
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return Qnil;
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}
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VALUE default_write_set_end(VALUE protocol) {
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rb_funcall(protocol, write_set_end_method_id, 0);
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return Qnil;
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}
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VALUE default_write_map_begin(VALUE protocol, VALUE ktype, VALUE vtype, VALUE length) {
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rb_funcall(protocol, write_map_begin_method_id, 3, ktype, vtype, length);
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return Qnil;
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}
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VALUE default_write_map_end(VALUE protocol) {
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rb_funcall(protocol, write_map_end_method_id, 0);
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return Qnil;
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}
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VALUE default_write_struct_begin(VALUE protocol, VALUE struct_name) {
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rb_funcall(protocol, write_struct_begin_method_id, 1, struct_name);
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return Qnil;
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}
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VALUE default_write_struct_end(VALUE protocol) {
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rb_funcall(protocol, write_struct_end_method_id, 0);
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return Qnil;
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}
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VALUE default_write_field_begin(VALUE protocol, VALUE name, VALUE type, VALUE id) {
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rb_funcall(protocol, write_field_begin_method_id, 3, name, type, id);
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return Qnil;
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}
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VALUE default_write_field_end(VALUE protocol) {
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rb_funcall(protocol, write_field_end_method_id, 0);
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return Qnil;
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}
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VALUE default_write_field_stop(VALUE protocol) {
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rb_funcall(protocol, write_field_stop_method_id, 0);
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return Qnil;
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}
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VALUE default_read_field_begin(VALUE protocol) {
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return rb_funcall(protocol, read_field_begin_method_id, 0);
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}
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VALUE default_read_field_end(VALUE protocol) {
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return rb_funcall(protocol, read_field_end_method_id, 0);
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}
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VALUE default_read_map_begin(VALUE protocol) {
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return rb_funcall(protocol, read_map_begin_method_id, 0);
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}
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VALUE default_read_map_end(VALUE protocol) {
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return rb_funcall(protocol, read_map_end_method_id, 0);
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}
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VALUE default_read_list_begin(VALUE protocol) {
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return rb_funcall(protocol, read_list_begin_method_id, 0);
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}
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VALUE default_read_list_end(VALUE protocol) {
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return rb_funcall(protocol, read_list_end_method_id, 0);
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}
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VALUE default_read_set_begin(VALUE protocol) {
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return rb_funcall(protocol, read_set_begin_method_id, 0);
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}
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VALUE default_read_set_end(VALUE protocol) {
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return rb_funcall(protocol, read_set_end_method_id, 0);
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}
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VALUE default_read_byte(VALUE protocol) {
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return rb_funcall(protocol, read_byte_method_id, 0);
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}
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VALUE default_read_bool(VALUE protocol) {
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return rb_funcall(protocol, read_bool_method_id, 0);
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}
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VALUE default_read_i16(VALUE protocol) {
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return rb_funcall(protocol, read_i16_method_id, 0);
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}
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VALUE default_read_i32(VALUE protocol) {
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return rb_funcall(protocol, read_i32_method_id, 0);
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}
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VALUE default_read_i64(VALUE protocol) {
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return rb_funcall(protocol, read_i64_method_id, 0);
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}
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VALUE default_read_double(VALUE protocol) {
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return rb_funcall(protocol, read_double_method_id, 0);
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}
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VALUE default_read_string(VALUE protocol) {
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return rb_funcall(protocol, read_string_method_id, 0);
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}
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VALUE default_read_struct_begin(VALUE protocol) {
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return rb_funcall(protocol, read_struct_begin_method_id, 0);
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}
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VALUE default_read_struct_end(VALUE protocol) {
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return rb_funcall(protocol, read_struct_end_method_id, 0);
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}
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static void set_default_proto_function_pointers() {
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default_mt = ALLOC(native_proto_method_table);
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default_mt->write_field_begin = default_write_field_begin;
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default_mt->write_field_stop = default_write_field_stop;
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default_mt->write_map_begin = default_write_map_begin;
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default_mt->write_map_end = default_write_map_end;
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default_mt->write_list_begin = default_write_list_begin;
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default_mt->write_list_end = default_write_list_end;
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default_mt->write_set_begin = default_write_set_begin;
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default_mt->write_set_end = default_write_set_end;
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default_mt->write_byte = default_write_byte;
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default_mt->write_bool = default_write_bool;
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default_mt->write_i16 = default_write_i16;
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default_mt->write_i32 = default_write_i32;
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default_mt->write_i64 = default_write_i64;
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default_mt->write_double = default_write_double;
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default_mt->write_string = default_write_string;
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default_mt->write_struct_begin = default_write_struct_begin;
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default_mt->write_struct_end = default_write_struct_end;
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default_mt->write_field_end = default_write_field_end;
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default_mt->read_struct_begin = default_read_struct_begin;
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default_mt->read_struct_end = default_read_struct_end;
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default_mt->read_field_begin = default_read_field_begin;
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default_mt->read_field_end = default_read_field_end;
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default_mt->read_map_begin = default_read_map_begin;
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default_mt->read_map_end = default_read_map_end;
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default_mt->read_list_begin = default_read_list_begin;
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default_mt->read_list_end = default_read_list_end;
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default_mt->read_set_begin = default_read_set_begin;
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default_mt->read_set_end = default_read_set_end;
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default_mt->read_byte = default_read_byte;
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default_mt->read_bool = default_read_bool;
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default_mt->read_i16 = default_read_i16;
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default_mt->read_i32 = default_read_i32;
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default_mt->read_i64 = default_read_i64;
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default_mt->read_double = default_read_double;
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default_mt->read_string = default_read_string;
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}
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// end default protocol methods
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static VALUE rb_thrift_struct_write(VALUE self, VALUE protocol);
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static void write_anything(int ttype, VALUE value, VALUE protocol, VALUE field_info);
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VALUE get_field_value(VALUE obj, VALUE field_name) {
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char name_buf[RSTRING_LEN(field_name) + 1];
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name_buf[0] = '@';
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strlcpy(&name_buf[1], RSTRING_PTR(field_name), sizeof(name_buf));
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VALUE value = rb_ivar_get(obj, rb_intern(name_buf));
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return value;
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}
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static void write_container(int ttype, VALUE field_info, VALUE value, VALUE protocol) {
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int sz, i;
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if (ttype == TTYPE_MAP) {
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VALUE keys;
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VALUE key;
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VALUE val;
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Check_Type(value, T_HASH);
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VALUE key_info = rb_hash_aref(field_info, key_sym);
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VALUE keytype_value = rb_hash_aref(key_info, type_sym);
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int keytype = FIX2INT(keytype_value);
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VALUE value_info = rb_hash_aref(field_info, value_sym);
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VALUE valuetype_value = rb_hash_aref(value_info, type_sym);
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int valuetype = FIX2INT(valuetype_value);
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keys = rb_funcall(value, keys_method_id, 0);
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sz = RARRAY_LEN(keys);
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mt->write_map_begin(protocol, keytype_value, valuetype_value, INT2FIX(sz));
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for (i = 0; i < sz; i++) {
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key = rb_ary_entry(keys, i);
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val = rb_hash_aref(value, key);
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if (IS_CONTAINER(keytype)) {
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write_container(keytype, key_info, key, protocol);
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} else {
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write_anything(keytype, key, protocol, key_info);
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}
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if (IS_CONTAINER(valuetype)) {
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write_container(valuetype, value_info, val, protocol);
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} else {
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write_anything(valuetype, val, protocol, value_info);
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}
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}
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mt->write_map_end(protocol);
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} else if (ttype == TTYPE_LIST) {
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Check_Type(value, T_ARRAY);
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sz = RARRAY_LEN(value);
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VALUE element_type_info = rb_hash_aref(field_info, element_sym);
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VALUE element_type_value = rb_hash_aref(element_type_info, type_sym);
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int element_type = FIX2INT(element_type_value);
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mt->write_list_begin(protocol, element_type_value, INT2FIX(sz));
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for (i = 0; i < sz; ++i) {
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VALUE val = rb_ary_entry(value, i);
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if (IS_CONTAINER(element_type)) {
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write_container(element_type, element_type_info, val, protocol);
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} else {
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write_anything(element_type, val, protocol, element_type_info);
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}
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}
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mt->write_list_end(protocol);
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} else if (ttype == TTYPE_SET) {
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VALUE items;
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if (TYPE(value) == T_ARRAY) {
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items = value;
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} else {
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if (rb_cSet == CLASS_OF(value)) {
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items = rb_funcall(value, entries_method_id, 0);
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} else {
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Check_Type(value, T_HASH);
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items = rb_funcall(value, keys_method_id, 0);
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}
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}
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sz = RARRAY_LEN(items);
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VALUE element_type_info = rb_hash_aref(field_info, element_sym);
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VALUE element_type_value = rb_hash_aref(element_type_info, type_sym);
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int element_type = FIX2INT(element_type_value);
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mt->write_set_begin(protocol, element_type_value, INT2FIX(sz));
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for (i = 0; i < sz; i++) {
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VALUE val = rb_ary_entry(items, i);
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if (IS_CONTAINER(element_type)) {
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write_container(element_type, element_type_info, val, protocol);
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} else {
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write_anything(element_type, val, protocol, element_type_info);
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}
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}
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mt->write_set_end(protocol);
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} else {
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rb_raise(rb_eNotImpError, "can't write container of type: %d", ttype);
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}
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}
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static void write_anything(int ttype, VALUE value, VALUE protocol, VALUE field_info) {
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if (ttype == TTYPE_BOOL) {
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mt->write_bool(protocol, value);
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} else if (ttype == TTYPE_BYTE) {
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mt->write_byte(protocol, value);
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} else if (ttype == TTYPE_I16) {
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mt->write_i16(protocol, value);
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} else if (ttype == TTYPE_I32) {
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mt->write_i32(protocol, value);
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} else if (ttype == TTYPE_I64) {
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mt->write_i64(protocol, value);
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} else if (ttype == TTYPE_DOUBLE) {
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mt->write_double(protocol, value);
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} else if (ttype == TTYPE_STRING) {
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mt->write_string(protocol, value);
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} else if (IS_CONTAINER(ttype)) {
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write_container(ttype, field_info, value, protocol);
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} else if (ttype == TTYPE_STRUCT) {
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rb_thrift_struct_write(value, protocol);
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} else {
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rb_raise(rb_eNotImpError, "Unknown type for binary_encoding: %d", ttype);
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}
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}
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static VALUE rb_thrift_struct_write(VALUE self, VALUE protocol) {
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// call validate
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rb_funcall(self, validate_method_id, 0);
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// check_native_proto_method_table(protocol);
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// write struct begin
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mt->write_struct_begin(protocol, rb_class_name(CLASS_OF(self)));
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// iterate through all the fields here
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VALUE struct_fields = STRUCT_FIELDS(self);
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VALUE struct_field_ids_unordered = rb_funcall(struct_fields, keys_method_id, 0);
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VALUE struct_field_ids_ordered = rb_funcall(struct_field_ids_unordered, sort_method_id, 0);
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int i = 0;
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for (i=0; i < RARRAY_LEN(struct_field_ids_ordered); i++) {
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VALUE field_id = rb_ary_entry(struct_field_ids_ordered, i);
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VALUE field_info = rb_hash_aref(struct_fields, field_id);
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VALUE ttype_value = rb_hash_aref(field_info, type_sym);
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int ttype = FIX2INT(ttype_value);
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VALUE field_name = rb_hash_aref(field_info, name_sym);
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VALUE field_value = get_field_value(self, field_name);
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if (!NIL_P(field_value)) {
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mt->write_field_begin(protocol, field_name, ttype_value, field_id);
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write_anything(ttype, field_value, protocol, field_info);
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mt->write_field_end(protocol);
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}
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}
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mt->write_field_stop(protocol);
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// write struct end
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mt->write_struct_end(protocol);
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return Qnil;
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}
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//-------------------------------------------
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// Reading section
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//-------------------------------------------
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static VALUE rb_thrift_struct_read(VALUE self, VALUE protocol);
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static void set_field_value(VALUE obj, VALUE field_name, VALUE value) {
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char name_buf[RSTRING_LEN(field_name) + 1];
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name_buf[0] = '@';
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strlcpy(&name_buf[1], RSTRING_PTR(field_name), sizeof(name_buf));
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rb_ivar_set(obj, rb_intern(name_buf), value);
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}
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static VALUE read_anything(VALUE protocol, int ttype, VALUE field_info) {
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VALUE result = Qnil;
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if (ttype == TTYPE_BOOL) {
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result = mt->read_bool(protocol);
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} else if (ttype == TTYPE_BYTE) {
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result = mt->read_byte(protocol);
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} else if (ttype == TTYPE_I16) {
|
|
result = mt->read_i16(protocol);
|
|
} else if (ttype == TTYPE_I32) {
|
|
result = mt->read_i32(protocol);
|
|
} else if (ttype == TTYPE_I64) {
|
|
result = mt->read_i64(protocol);
|
|
} else if (ttype == TTYPE_STRING) {
|
|
result = mt->read_string(protocol);
|
|
} else if (ttype == TTYPE_DOUBLE) {
|
|
result = mt->read_double(protocol);
|
|
} else if (ttype == TTYPE_STRUCT) {
|
|
VALUE klass = rb_hash_aref(field_info, class_sym);
|
|
result = rb_class_new_instance(0, NULL, klass);
|
|
rb_thrift_struct_read(result, protocol);
|
|
} else if (ttype == TTYPE_MAP) {
|
|
int i;
|
|
|
|
VALUE map_header = mt->read_map_begin(protocol);
|
|
int key_ttype = FIX2INT(rb_ary_entry(map_header, 0));
|
|
int value_ttype = FIX2INT(rb_ary_entry(map_header, 1));
|
|
int num_entries = FIX2INT(rb_ary_entry(map_header, 2));
|
|
|
|
VALUE key_info = rb_hash_aref(field_info, key_sym);
|
|
VALUE value_info = rb_hash_aref(field_info, value_sym);
|
|
|
|
result = rb_hash_new();
|
|
|
|
for (i = 0; i < num_entries; ++i) {
|
|
VALUE key, val;
|
|
|
|
key = read_anything(protocol, key_ttype, key_info);
|
|
val = read_anything(protocol, value_ttype, value_info);
|
|
|
|
rb_hash_aset(result, key, val);
|
|
}
|
|
|
|
mt->read_map_end(protocol);
|
|
} else if (ttype == TTYPE_LIST) {
|
|
int i;
|
|
|
|
VALUE list_header = mt->read_list_begin(protocol);
|
|
int element_ttype = FIX2INT(rb_ary_entry(list_header, 0));
|
|
int num_elements = FIX2INT(rb_ary_entry(list_header, 1));
|
|
result = rb_ary_new2(num_elements);
|
|
|
|
for (i = 0; i < num_elements; ++i) {
|
|
rb_ary_push(result, read_anything(protocol, element_ttype, rb_hash_aref(field_info, element_sym)));
|
|
}
|
|
|
|
|
|
mt->read_list_end(protocol);
|
|
} else if (ttype == TTYPE_SET) {
|
|
VALUE items;
|
|
int i;
|
|
|
|
VALUE set_header = mt->read_set_begin(protocol);
|
|
int element_ttype = FIX2INT(rb_ary_entry(set_header, 0));
|
|
int num_elements = FIX2INT(rb_ary_entry(set_header, 1));
|
|
items = rb_ary_new2(num_elements);
|
|
|
|
for (i = 0; i < num_elements; ++i) {
|
|
rb_ary_push(items, read_anything(protocol, element_ttype, rb_hash_aref(field_info, element_sym)));
|
|
}
|
|
|
|
|
|
mt->read_set_end(protocol);
|
|
|
|
result = rb_class_new_instance(1, &items, rb_cSet);
|
|
} else {
|
|
rb_raise(rb_eNotImpError, "read_anything not implemented for type %d!", ttype);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static VALUE rb_thrift_struct_read(VALUE self, VALUE protocol) {
|
|
// check_native_proto_method_table(protocol);
|
|
|
|
// read struct begin
|
|
mt->read_struct_begin(protocol);
|
|
|
|
VALUE struct_fields = STRUCT_FIELDS(self);
|
|
|
|
// read each field
|
|
while (true) {
|
|
VALUE field_header = mt->read_field_begin(protocol);
|
|
VALUE field_type_value = rb_ary_entry(field_header, 1);
|
|
int field_type = FIX2INT(field_type_value);
|
|
|
|
if (field_type == TTYPE_STOP) {
|
|
break;
|
|
}
|
|
|
|
// make sure we got a type we expected
|
|
VALUE field_info = rb_hash_aref(struct_fields, rb_ary_entry(field_header, 2));
|
|
|
|
if (!NIL_P(field_info)) {
|
|
int specified_type = FIX2INT(rb_hash_aref(field_info, type_sym));
|
|
if (field_type == specified_type) {
|
|
// read the value
|
|
VALUE name = rb_hash_aref(field_info, name_sym);
|
|
set_field_value(self, name, read_anything(protocol, field_type, field_info));
|
|
} else {
|
|
rb_funcall(protocol, skip_method_id, 1, field_type_value);
|
|
}
|
|
} else {
|
|
rb_funcall(protocol, skip_method_id, 1, field_type_value);
|
|
}
|
|
|
|
// read field end
|
|
mt->read_field_end(protocol);
|
|
}
|
|
|
|
// read struct end
|
|
mt->read_struct_end(protocol);
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
void Init_struct() {
|
|
VALUE struct_module = rb_const_get(thrift_module, rb_intern("Struct"));
|
|
|
|
rb_define_method(struct_module, "write", rb_thrift_struct_write, 1);
|
|
rb_define_method(struct_module, "read", rb_thrift_struct_read, 1);
|
|
|
|
set_default_proto_function_pointers();
|
|
mt = default_mt;
|
|
}
|
|
|