1 /*
2 Copyright (c) 2003, 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 #include <ndb_global.h>
26 #include <BaseString.hpp>
27
28 #include "DebuggerNames.hpp"
29
30 #include <BlockNumbers.h>
31 #include <BlockNames.hpp>
32 #include <GlobalSignalNumbers.h>
33 #include <signaldata/SignalDataPrint.hpp>
34
35 static const char * localSignalNames[MAX_GSN+1];
36 static SignalDataPrintFunction localPrintFunctions[MAX_GSN+1];
37 static const char * localBlockNames[NO_OF_BLOCKS];
38
39 static
40 int
initSignalNames(const char * dst[],const GsnName src[],unsigned short len)41 initSignalNames(const char * dst[], const GsnName src[], unsigned short len){
42 unsigned i;
43 for(i = 0; i<=MAX_GSN; i++)
44 dst[i] = 0;
45
46 for(i = 0; i<len; i++){
47 unsigned short gsn = src[i].gsn;
48 const char * name = src[i].name;
49
50 if(dst[gsn] != 0 && name != 0){
51 if(strcmp(dst[gsn], name) != 0){
52 fprintf(stderr,
53 "Multiple definition of signal name for gsn: %d (%s, %s)\n",
54 gsn, dst[gsn], name);
55 exit(0);
56 }
57 }
58 dst[gsn] = name;
59 }
60 return 0;
61 }
62
63 static
64 int
initSignalPrinters(SignalDataPrintFunction dst[],const NameFunctionPair src[])65 initSignalPrinters(SignalDataPrintFunction dst[],
66 const NameFunctionPair src[]){
67 unsigned i;
68 for(i = 0; i<=MAX_GSN; i++)
69 dst[i] = 0;
70
71 unsigned short gsn;
72 for(i = 0; (gsn = src[i].gsn) > 0; i++){
73 SignalDataPrintFunction fun = src[i].function;
74
75 if(dst[gsn] != 0 && fun != 0){
76 if(dst[gsn] != fun){
77 fprintf(stderr,
78 "Multiple definition of signal print function for gsn: %d\n",
79 gsn);
80 exit(0);
81 }
82 }
83 dst[gsn] = fun;
84 }
85 return 0;
86 }
87
88 static
89 int
initBlockNames(const char * dst[],const BlockName src[],unsigned len)90 initBlockNames(const char * dst[],
91 const BlockName src[],
92 unsigned len){
93 unsigned i;
94 for(i = 0; i<NO_OF_BLOCKS; i++)
95 dst[i] = 0;
96
97 for(i = 0; i<len; i++){
98 const int index = src[i].number - MIN_BLOCK_NO;
99 if((index < 0 && index >= NO_OF_BLOCKS) || dst[index] != 0){
100 fprintf(stderr,
101 "Invalid block name definition: %d %s\n",
102 src[i].number, src[i].name);
103 exit(0);
104 }
105 dst[index] = src[i].name;
106 }
107 return 0;
108 }
109
110 /**
111 * Run static initializer
112 */
113 static const int
114 xxx_DUMMY_SIGNAL_NAMES_xxx = initSignalNames(localSignalNames,
115 SignalNames,
116 NO_OF_SIGNAL_NAMES);
117 static const int
118 xxx_DUMMY_PRINT_FUNCTIONS_xxx = initSignalPrinters(localPrintFunctions,
119 SignalDataPrintFunctions);
120
121 static const int
122 xxx_DUMMY_BLOCK_NAMES_xxx = initBlockNames(localBlockNames,
123 BlockNames,
124 NO_OF_BLOCK_NAMES);
125
126 const char *
getSignalName(unsigned short gsn,const char * defVal)127 getSignalName(unsigned short gsn, const char * defVal){
128 if(gsn > 0 && gsn <= MAX_GSN)
129 return (localSignalNames[gsn] ? localSignalNames[gsn] : defVal);
130 return defVal;
131 }
132
133 unsigned short
getGsn(const char * signalName)134 getGsn(const char * signalName){
135 return 0;
136 }
137
138 const char *
getBlockName(unsigned short blockNo,const char * ret)139 getBlockName(unsigned short blockNo, const char * ret){
140 if(blockNo >= MIN_BLOCK_NO && blockNo <= MAX_BLOCK_NO)
141 return localBlockNames[blockNo-MIN_BLOCK_NO];
142 if (ret == 0) {
143 static char buf[20];
144 BaseString::snprintf(buf, sizeof(buf), "BLOCK#%d", (int)blockNo);
145 return buf;
146 }
147 return ret;
148 }
149
150 unsigned short
getBlockNo(const char * blockName)151 getBlockNo(const char * blockName){
152 for(int i = 0; i<NO_OF_BLOCKS; i++)
153 if(localBlockNames[i] != 0 && strcmp(localBlockNames[i], blockName) == 0)
154 return i + MIN_BLOCK_NO;
155 return 0;
156 }
157
158 SignalDataPrintFunction
findPrintFunction(unsigned short gsn)159 findPrintFunction(unsigned short gsn){
160 if(gsn > 0 && gsn <= MAX_GSN)
161 return localPrintFunctions[gsn];
162 return 0;
163 }
164