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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <string.h>
28 #include <dtrace_jni.h>
29
30 /*
31 * This file creates instances of the following Java classes:
32 * - org.opensolaris.os.dtrace.ProbeDescription
33 * - org.opensolaris.os.dtrace.ProbeInfo
34 */
35
36 jobject
dtj_new_probedesc(dtj_java_consumer_t * jc,const dtrace_probedesc_t * probedesc)37 dtj_new_probedesc(dtj_java_consumer_t *jc, const dtrace_probedesc_t *probedesc)
38 {
39 JNIEnv *jenv = jc->dtjj_jenv;
40
41 jstring jprov = NULL;
42 jstring jmod = NULL;
43 jstring jfunc = NULL;
44 jstring jname = NULL;
45 jobject jprobedesc = NULL;
46
47 jprov = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_provider);
48 if ((*jenv)->ExceptionCheck(jenv)) {
49 goto cleanup;
50 }
51 jmod = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_mod);
52 if ((*jenv)->ExceptionCheck(jenv)) {
53 goto cleanup;
54 }
55 jfunc = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_func);
56 if ((*jenv)->ExceptionCheck(jenv)) {
57 goto cleanup;
58 }
59 jname = (*jenv)->NewStringUTF(jenv, probedesc->dtpd_name);
60 if ((*jenv)->ExceptionCheck(jenv)) {
61 goto cleanup;
62 }
63 jprobedesc = (*jenv)->NewObject(jenv, g_probedesc_jc,
64 g_probedescinit_jm, jprov, jmod, jfunc, jname);
65 if ((*jenv)->ExceptionCheck(jenv)) {
66 goto cleanup;
67 }
68 /* Does not throw exceptions */
69 (*jenv)->SetIntField(jenv, jprobedesc, g_probedesc_id_jf,
70 probedesc->dtpd_id);
71
72 cleanup:
73
74 (*jenv)->DeleteLocalRef(jenv, jprov);
75 (*jenv)->DeleteLocalRef(jenv, jmod);
76 (*jenv)->DeleteLocalRef(jenv, jfunc);
77 (*jenv)->DeleteLocalRef(jenv, jname);
78 return (jprobedesc);
79 }
80
81 jobject
dtj_new_probeinfo(dtj_java_consumer_t * jc,const dtrace_probeinfo_t * probeinfo)82 dtj_new_probeinfo(dtj_java_consumer_t *jc, const dtrace_probeinfo_t *probeinfo)
83 {
84 JNIEnv *jenv = jc->dtjj_jenv;
85
86 jobject jprobeattr = NULL;
87 jobject jargattr = NULL;
88 jobject jprobeinfo = NULL; /* return value */
89
90 jprobeattr = dtj_new_attribute(jc, &probeinfo->dtp_attr);
91 if ((*jenv)->ExceptionCheck(jenv)) {
92 return (NULL);
93 }
94 jargattr = dtj_new_attribute(jc, &probeinfo->dtp_arga);
95 if ((*jenv)->ExceptionCheck(jenv)) {
96 (*jenv)->DeleteLocalRef(jenv, jprobeattr);
97 return (NULL);
98 }
99
100 jprobeinfo = (*jenv)->NewObject(jenv, g_probeinfo_jc,
101 g_probeinfoinit_jm, jprobeattr, jargattr);
102
103 (*jenv)->DeleteLocalRef(jenv, jprobeattr);
104 (*jenv)->DeleteLocalRef(jenv, jargattr);
105 return (jprobeinfo);
106 }
107