1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <stddef.h> 28 #include <assert.h> 29 #include <string.h> 30 #include <syslog.h> 31 32 #include "jsyslog.h" 33 34 #define ILL_ARG_EX_CLASS_DESC "java/lang/IllegalArgumentException" 35 #define THROWABLE_CLASS_DESC "java/lang/Throwable" 36 37 #define CLASS_FIELD_DESC(class_desc) "L" class_desc ";" 38 39 /* 40 * syslog(3c) ident string 41 */ 42 static char jsyslog_ident[32]; 43 44 /* 45 * Log the given message with the given severity. 46 */ 47 /*ARGSUSED*/ 48 JNIEXPORT void JNICALL 49 Java_com_sun_solaris_service_logging_SyslogHandler_syslog(JNIEnv *env, 50 jclass clazz, jint severity, jstring messageObj) 51 { 52 const char *message; 53 54 if (messageObj == NULL) { 55 jclass exceptionClass; 56 57 if (!(exceptionClass = (*env)->FindClass(env, 58 ILL_ARG_EX_CLASS_DESC))) 59 return; /* exception thrown */ 60 (*env)->Throw(env, (*env)->NewObject(env, exceptionClass, 61 (*env)->GetStaticMethodID(env, exceptionClass, "<init>", 62 "()" CLASS_FIELD_DESC(THROWABLE_CLASS_DESC)))); 63 return; 64 } 65 66 if (!(message = (*env)->GetStringUTFChars(env, messageObj, NULL))) 67 return; /* exception thrown */ 68 syslog(severity, "%s", message); 69 (*env)->ReleaseStringUTFChars(env, messageObj, message); 70 } 71 72 /* 73 * Invoke openlog(3c). 74 */ 75 /*ARGSUSED*/ 76 JNIEXPORT void JNICALL 77 Java_com_sun_solaris_service_logging_SyslogHandler_openlog(JNIEnv *env, 78 jclass clazz, jstring identObj, jint logopt, jint facility) 79 { 80 const char *ident; 81 82 if (identObj == NULL) { 83 jclass exceptionClass; 84 85 if (!(exceptionClass = (*env)->FindClass(env, 86 ILL_ARG_EX_CLASS_DESC))) 87 return; /* exception thrown */ 88 (*env)->Throw(env, (*env)->NewObject(env, exceptionClass, 89 (*env)->GetStaticMethodID(env, exceptionClass, "<init>", 90 "()" CLASS_FIELD_DESC(THROWABLE_CLASS_DESC)))); 91 return; 92 } 93 94 if (!(ident = (*env)->GetStringUTFChars(env, identObj, NULL))) 95 return; /* exception thrown */ 96 (void) strlcpy(jsyslog_ident, ident, sizeof (jsyslog_ident)); 97 openlog(jsyslog_ident, logopt, facility); 98 99 (*env)->ReleaseStringUTFChars(env, identObj, ident); 100 } 101 102 /* 103 * Invoke closelog(3c). 104 */ 105 /*ARGSUSED*/ 106 JNIEXPORT void JNICALL 107 Java_com_sun_solaris_service_logging_SyslogHandler_closelog(JNIEnv *env, 108 jclass clazz) 109 { 110 closelog(); 111 } 112