1 /*
2 Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License, version 2.0,
6 as published by the Free Software Foundation.
7
8 This program is also distributed with certain software (including
9 but not limited to OpenSSL) that is licensed under separate terms,
10 as designated in a particular file or component or in included license
11 documentation. The authors of MySQL hereby grant you an additional
12 permission to link the program and your derivative works with the
13 separately licensed software that they have included with MySQL.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25 /* NOTE
26
27 JavaScript accessor methods are used to get properties from an NdbError;
28 the NdbError must remain valid while accessed from JavaScript.
29
30 After an NdbTransaction is closed, any reference to an NdbError from the
31 NdbTransaction or its NdbOperations becomes invalid.
32
33 */
34
35 #include <NdbApi.hpp>
36
37 #include "adapter_global.h"
38 #include "js_wrapper_macros.h"
39 #include "Record.h"
40 #include "NativeMethodCall.h"
41 #include "NdbWrapperErrors.h"
42
43 using namespace v8;
44
45 void get_status(Local<String>, const AccessorInfo &);
46 void get_classification(Local<String>, const AccessorInfo &);
47 void get_code(Local<String>, const AccessorInfo &);
48 void get_mysql_code(Local<String>, const AccessorInfo &);
49 void get_message(Local<String>, const AccessorInfo &);
50
51
52 class NdbErrorEnvelopeClass : public Envelope {
53 public:
NdbErrorEnvelopeClass()54 NdbErrorEnvelopeClass() : Envelope("NdbError") {
55 addAccessor("status", get_status);
56 addAccessor("classification", get_classification);
57 addAccessor("code", get_code);
58 addAccessor("handler_error_code", get_mysql_code);
59 addAccessor("message", get_message);
60 }
61 };
62
63 NdbErrorEnvelopeClass NdbErrorEnvelope;
64
65 // TODO: Verify that all callers have a HandleScope
NdbError_Wrapper(const NdbError & err)66 Local<Value> NdbError_Wrapper(const NdbError &err) {
67 return NdbErrorEnvelope.wrap(& err);
68 }
69
70 #define V8STRING(MSG) scope.Escape(String::NewFromUtf8(info.GetIsolate(), MSG))
71
72 #define V8INTEGER(V) scope.Escape(Integer::New(info.GetIsolate(), V))
73
74 #define MAP_CODE(CODE) \
75 case NdbError::CODE: \
76 info.GetReturnValue().Set(V8STRING(#CODE)); \
77 return;
78
79
get_status(Local<String> property,const AccessorInfo & info)80 void get_status(Local<String> property, const AccessorInfo &info) {
81 EscapableHandleScope scope(info.GetIsolate());
82 const NdbError *err = unwrapPointer<const NdbError *>(info.Holder());
83
84 switch(err->status) {
85 MAP_CODE(Success);
86 MAP_CODE(TemporaryError);
87 MAP_CODE(PermanentError);
88 MAP_CODE(UnknownResult);
89 }
90 info.GetReturnValue().Set(V8STRING("-unknown-"));
91 }
92
93
get_classification(Local<String> property,const AccessorInfo & info)94 void get_classification(Local<String> property, const AccessorInfo &info) {
95 EscapableHandleScope scope(info.GetIsolate());
96 const NdbError *err = unwrapPointer<const NdbError *>(info.Holder());
97
98 switch(err->classification) {
99 MAP_CODE(NoError);
100 MAP_CODE(ApplicationError);
101 MAP_CODE(NoDataFound);
102 MAP_CODE(ConstraintViolation);
103 MAP_CODE(SchemaError);
104 MAP_CODE(UserDefinedError);
105 MAP_CODE(InsufficientSpace);
106 MAP_CODE(TemporaryResourceError);
107 MAP_CODE(NodeRecoveryError);
108 MAP_CODE(OverloadError);
109 MAP_CODE(TimeoutExpired);
110 MAP_CODE(UnknownResultError);
111 MAP_CODE(InternalError);
112 MAP_CODE(FunctionNotImplemented);
113 MAP_CODE(UnknownErrorCode);
114 MAP_CODE(NodeShutdown);
115 MAP_CODE(SchemaObjectExists);
116 MAP_CODE(InternalTemporary);
117 }
118 info.GetReturnValue().Set(V8STRING("-unknown-"));
119 }
120
get_code(Local<String> property,const AccessorInfo & info)121 void get_code(Local<String> property, const AccessorInfo &info) {
122 EscapableHandleScope scope(info.GetIsolate());
123 const NdbError *err = unwrapPointer<const NdbError *>(info.Holder());
124
125 info.GetReturnValue().Set(V8INTEGER(err->code));
126 }
127
get_mysql_code(Local<String> property,const AccessorInfo & info)128 void get_mysql_code(Local<String> property, const AccessorInfo &info) {
129 EscapableHandleScope scope(info.GetIsolate());
130 const NdbError *err = unwrapPointer<const NdbError *>(info.Holder());
131
132 info.GetReturnValue().Set(V8INTEGER(err->mysql_code));
133 }
134
get_message(Local<String> property,const AccessorInfo & info)135 void get_message(Local<String> property, const AccessorInfo &info) {
136 EscapableHandleScope scope(info.GetIsolate());
137 const NdbError *err = unwrapPointer<const NdbError *>(info.Holder());
138
139 info.GetReturnValue().Set(V8STRING(err->message));
140 }
141
142