/*

 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include "util.h"

#include "ThreadGroupReferenceImpl.h"

#include "inStream.h"

#include "outStream.h"

static jboolean

name(PacketInputStream *in, PacketOutputStream *out)

{

    JNIEnv *env;

    jthreadGroup group;

    env = getEnv();

    group = inStream_readThreadGroupRef(env, in);

    if (inStream_error(in)) {

        return JNI_TRUE;

    }

    WITH_LOCAL_REFS(env, 1) {

        jvmtiThreadGroupInfo info;

        (void)memset(&info, 0, sizeof(info));

        threadGroupInfo(group, &info);

        (void)outStream_writeString(out, info.name == NULL ? "" : info.name);

        if ( info.name != NULL )

            jvmtiDeallocate(info.name);

    } END_WITH_LOCAL_REFS(env);

    return JNI_TRUE;

}

static jboolean

parent(PacketInputStream *in, PacketOutputStream *out)

{

    JNIEnv *env;

    jthreadGroup group;

    env = getEnv();

    group = inStream_readThreadGroupRef(env, in);

    if (inStream_error(in)) {

        return JNI_TRUE;

    }

    WITH_LOCAL_REFS(env, 1) {

        jvmtiThreadGroupInfo info;

        (void)memset(&info, 0, sizeof(info));

        threadGroupInfo(group, &info);

        (void)outStream_writeObjectRef(env, out, info.parent);

        if ( info.name != NULL )

            jvmtiDeallocate(info.name);

    } END_WITH_LOCAL_REFS(env);

    return JNI_TRUE;

}

static jboolean

children(PacketInputStream *in, PacketOutputStream *out)

{

     JNIEnv *env;

     jthreadGroup group;

     env = getEnv();

     group = inStream_readThreadGroupRef(env, in);

     if (inStream_error(in)) {

         return JNI_TRUE;

     }

     WITH_LOCAL_REFS(env, 1) {

         jvmtiError error;

         jint threadCount;

         jint groupCount;

         jthread *theThreads;

         jthread *theGroups;

         error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadGroupChildren)(gdata->jvmti, group,

                                              &threadCount,&theThreads,

                                              &groupCount, &theGroups);

         if (error != JVMTI_ERROR_NONE) {

             outStream_setError(out, map2jdwpError(error));

         } else {

             int i;

             /* Squish out all of the debugger-spawned threads */

             threadCount = filterDebugThreads(theThreads, threadCount);

             (void)outStream_writeInt(out, threadCount);

             for (i = 0; i < threadCount; i++) {

                 (void)outStream_writeObjectRef(env, out, theThreads[i]);

             }

             (void)outStream_writeInt(out, groupCount);

             for (i = 0; i < groupCount; i++) {

                 (void)outStream_writeObjectRef(env, out, theGroups[i]);

             }

             jvmtiDeallocate(theGroups);

             jvmtiDeallocate(theThreads);

         }

     } END_WITH_LOCAL_REFS(env);

     return JNI_TRUE;

}

void *ThreadGroupReference_Cmds[] = { (void *)3,

                                      (void *)name,

                                      (void *)parent,

                                      (void *)children };