1 /* 2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * A class to manage AccessBridge debugging 28 */ 29 30 #include "AccessBridgeDebug.h" 31 #include <stdarg.h> 32 #include <stdio.h> 33 #include <windows.h> 34 #include <cstdlib> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 static FILE* logFP = nullptr; 41 static char* filePath = nullptr; 42 43 void initializeFileLogger() { 44 const char* var = "JAVA_ACCESSBRIDGE_LOGFILE"; 45 filePath = getenv(var); 46 if (filePath != nullptr) { 47 logFP = fopen(filePath, "w"); 48 if (logFP == nullptr) { 49 PrintDebugString("couldnot open file %s", filePath); 50 } 51 } 52 } 53 54 void finalizeFileLogger() { 55 if (logFP) { 56 fclose(logFP); 57 logFP = nullptr; 58 } 59 } 60 /** 61 * print a GetLastError message 62 */ 63 char *printError(char *msg) { 64 LPVOID lpMsgBuf = NULL; 65 static char retbuf[256]; 66 67 if (msg != NULL) { 68 strncpy((char *)retbuf, msg, sizeof(retbuf)); 69 // if msg text is >= 256 ensure buffer is null terminated 70 retbuf[255] = '\0'; 71 } 72 if (!FormatMessage( 73 FORMAT_MESSAGE_ALLOCATE_BUFFER | 74 FORMAT_MESSAGE_FROM_SYSTEM | 75 FORMAT_MESSAGE_IGNORE_INSERTS, 76 NULL, 77 GetLastError(), 78 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language 79 (LPTSTR) &lpMsgBuf, 80 0, 81 NULL )) 82 { 83 PrintDebugString(" %s: FormatMessage failed", msg); 84 } else { 85 PrintDebugString(" %s: %s", msg, (char *)lpMsgBuf); 86 } 87 if (lpMsgBuf != NULL) { 88 strncat((char *)retbuf, ": ", sizeof(retbuf) - strlen(retbuf) - 1); 89 strncat((char *)retbuf, (char *)lpMsgBuf, sizeof(retbuf) - strlen(retbuf) - 1); 90 } 91 return (char *)retbuf; 92 } 93 94 95 /** 96 * Send debugging info to the appropriate place 97 */ 98 void PrintDebugString(char *msg, ...) { 99 #ifdef DEBUGGING_ON 100 char buf[1024]; 101 va_list argprt; 102 103 va_start(argprt, msg); // set up argptr 104 vsprintf(buf, msg, argprt); 105 #ifdef SEND_TO_OUTPUT_DEBUG_STRING 106 OutputDebugString(buf); 107 #endif 108 #ifdef SEND_TO_CONSOLE 109 printf(buf); 110 printf("\r\n"); 111 #endif 112 #endif 113 if (logFP) { 114 va_list args; 115 va_start(args, msg); 116 vfprintf(logFP, msg, args); 117 va_end(args); 118 } 119 } 120 121 /** 122 * Send Java debugging info to the appropriate place 123 */ 124 void PrintJavaDebugString2(char *msg, ...) { 125 #ifdef JAVA_DEBUGGING_ON 126 char buf[1024]; 127 va_list argprt; 128 129 va_start(argprt, msg); // set up argptr 130 vsprintf(buf, msg, argprt); 131 #ifdef SEND_TO_OUTPUT_DEBUG_STRING 132 OutputDebugString(buf); 133 #endif 134 #ifdef SEND_TO_CONSOLE 135 printf(buf); 136 printf("\r\n"); 137 #endif 138 #endif 139 if (logFP) { 140 va_list args; 141 va_start(args, msg); 142 vfprintf(logFP, msg, args); 143 va_end(args); 144 } 145 } 146 /** 147 * Wide version of the method to send debugging info to the appropriate place 148 */ 149 void wPrintDebugString(wchar_t *msg, ...) { 150 #ifdef DEBUGGING_ON 151 char buf[1024]; 152 char charmsg[256]; 153 va_list argprt; 154 155 va_start(argprt, msg); // set up argptr 156 sprintf(charmsg, "%ls", msg); // convert format string to multi-byte 157 vsprintf(buf, charmsg, argprt); 158 #ifdef SEND_TO_OUTPUT_DEBUG_STRING 159 OutputDebugString(buf); 160 #endif 161 #ifdef SEND_TO_CONSOLE 162 printf(buf); 163 printf("\r\n"); 164 #endif 165 #endif 166 if (logFP) { 167 va_list args; 168 va_start(args, msg); 169 vfwprintf(logFP, msg, args); 170 va_end(args); 171 } 172 } 173 174 /** 175 * Wide version of the method to send Java debugging info to the appropriate place 176 */ 177 void wPrintJavaDebugString(wchar_t *msg, ...) { 178 #ifdef JAVA_DEBUGGING_ON 179 char buf[1024]; 180 char charmsg[256]; 181 va_list argprt; 182 183 va_start(argprt, msg); // set up argptr 184 sprintf(charmsg, "%ls", msg); // convert format string to multi-byte 185 vsprintf(buf, charmsg, argprt); 186 #ifdef SEND_TO_OUTPUT_DEBUG_STRING 187 OutputDebugString(buf); 188 #endif 189 #ifdef SEND_TO_CONSOLE 190 printf(buf); 191 printf("\r\n"); 192 #endif 193 #endif 194 if (logFP){ 195 va_list args; 196 va_start(args, msg); 197 vfwprintf(logFP, msg, args); 198 va_end(args); 199 } 200 } 201 #ifdef __cplusplus 202 } 203 #endif