1 /*
2 Copyright (c) 2013, 2021, Oracle and/or its affiliates. All rights
3 reserved.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License, version 2.0,
7 as published by the Free Software Foundation.
8
9 This program is also distributed with certain software (including
10 but not limited to OpenSSL) that is licensed under separate terms,
11 as designated in a particular file or component or in included license
12 documentation. The authors of MySQL hereby grant you an additional
13 permission to link the program and your derivative works with the
14 separately licensed software that they have included with MySQL.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License, version 2.0, for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
24 02110-1301 USA
25 */
26
27
28 #include <NdbApi.hpp>
29
30 #include "adapter_global.h"
31 #include "js_wrapper_macros.h"
32 #include "Record.h"
33 #include "NativeMethodCall.h"
34
35 #include "NdbTypeEncoders.h"
36
37 using namespace v8;
38
39 Handle<Value> getColumnOffset_wrapper(const Arguments &);
40 Handle<Value> getBufferSize_wrapper(const Arguments &);
41 Handle<Value> setNull_wrapper(const Arguments &);
42 Handle<Value> setNotNull_wrapper(const Arguments &);
43 Handle<Value> isNull_wrapper(const Arguments &);
44 Handle<Value> record_encoderRead(const Arguments &);
45 Handle<Value> record_encoderWrite(const Arguments &);
46
47 class RecordEnvelopeClass : public Envelope {
48 public:
RecordEnvelopeClass()49 RecordEnvelopeClass() : Envelope("Record") {
50 DEFINE_JS_FUNCTION(Envelope::stencil, "getColumnOffset", getColumnOffset_wrapper);
51 DEFINE_JS_FUNCTION(Envelope::stencil, "getBufferSize", getBufferSize_wrapper);
52 DEFINE_JS_FUNCTION(Envelope::stencil, "setNull", setNull_wrapper);
53 DEFINE_JS_FUNCTION(Envelope::stencil, "isNull", isNull_wrapper);
54 DEFINE_JS_FUNCTION(Envelope::stencil, "encoderRead", record_encoderRead);
55 DEFINE_JS_FUNCTION(Envelope::stencil, "encoderWrite", record_encoderWrite);
56 }
57 };
58
59 RecordEnvelopeClass RecordEnvelope;
60
61
62 /**** CALL THIS FROM C++ CODE TO CREATE A WRAPPED RECORD OBJECT.
63 *****/
Record_Wrapper(const Record * rec)64 Handle<Value> Record_Wrapper(const Record *rec) {
65 HandleScope scope;
66
67 Local<Object> js_record = RecordEnvelope.newWrapper();
68 wrapPointerInObject(rec, RecordEnvelope, js_record);
69 freeFromGC(rec, js_record);
70 return scope.Close(js_record);
71 }
72
73
getColumnOffset_wrapper(const Arguments & args)74 Handle<Value> getColumnOffset_wrapper(const Arguments &args) {
75 DEBUG_MARKER(UDEB_DETAIL);
76 HandleScope scope;
77
78 REQUIRE_ARGS_LENGTH(1);
79
80 typedef NativeConstMethodCall_1_<size_t, const Record, int> NCALL;
81
82 NCALL ncall(& Record::getColumnOffset, args);
83 ncall.run();
84
85 return scope.Close(ncall.jsReturnVal());
86 }
87
88
getBufferSize_wrapper(const Arguments & args)89 Handle<Value> getBufferSize_wrapper(const Arguments &args) {
90 DEBUG_MARKER(UDEB_DETAIL);
91 HandleScope scope;
92
93 REQUIRE_ARGS_LENGTH(0);
94
95 typedef NativeConstMethodCall_0_<size_t, const Record> NCALL;
96
97 NCALL ncall(& Record::getBufferSize, args);
98 ncall.run();
99
100 return scope.Close(ncall.jsReturnVal());
101 }
102
setNull_wrapper(const Arguments & args)103 Handle<Value> setNull_wrapper(const Arguments &args) {
104 DEBUG_MARKER(UDEB_DEBUG);
105 HandleScope scope;
106
107 REQUIRE_ARGS_LENGTH(2);
108
109 typedef NativeVoidConstMethodCall_2_<const Record, int, char *> NCALL;
110
111 NCALL ncall(& Record::setNull, args);
112 ncall.run();
113
114 return scope.Close(ncall.jsReturnVal());
115 }
116
isNull_wrapper(const Arguments & args)117 Handle<Value> isNull_wrapper(const Arguments &args) {
118 DEBUG_MARKER(UDEB_DETAIL);
119 HandleScope scope;
120
121 REQUIRE_ARGS_LENGTH(2);
122
123 typedef NativeConstMethodCall_2_<uint32_t, const Record, int, char *> NCALL;
124
125 NCALL ncall(& Record::isNull, args);
126 ncall.run();
127
128 return scope.Close(ncall.jsReturnVal());
129 }
130
131
132 /* read(columnNumber, buffer)
133 */
record_encoderRead(const Arguments & args)134 Handle<Value> record_encoderRead(const Arguments & args) {
135 HandleScope scope;
136 const Record * record = unwrapPointer<Record *>(args.Holder());
137 int columnNumber = args[0]->Uint32Value();
138 char * buffer = node::Buffer::Data(args[1]->ToObject());
139
140 const NdbDictionary::Column * col = record->getColumn(columnNumber);
141 size_t offset = record->getColumnOffset(columnNumber);
142
143 const NdbTypeEncoder * encoder = getEncoderForColumn(col);
144
145 return encoder->read(col, buffer, offset);
146 }
147
148
149 /* write(columnNumber, buffer, value)
150 */
record_encoderWrite(const Arguments & args)151 Handle<Value> record_encoderWrite(const Arguments & args) {
152 HandleScope scope;
153
154 const Record * record = unwrapPointer<const Record *>(args.Holder());
155 int columnNumber = args[0]->Uint32Value();
156 char * buffer = node::Buffer::Data(args[1]->ToObject());
157
158 record->setNotNull(columnNumber, buffer);
159
160 const NdbDictionary::Column * col = record->getColumn(columnNumber);
161 size_t offset = record->getColumnOffset(columnNumber);
162
163 const NdbTypeEncoder * encoder = getEncoderForColumn(col);
164 Handle<Value> error = encoder->write(col, args[2], buffer, offset);
165
166 return scope.Close(error);
167 }
168
169