/*
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* Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdatomic.h>
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#include "util.h"
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#include "DDMImpl.h"
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#include "inStream.h"
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#include "outStream.h"
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static _Atomic(jboolean) ddmIsActive = ATOMIC_VAR_INIT(JNI_FALSE);
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static void
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SendDdmBroadcast(JNIEnv* env, jboolean connected)
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{
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WITH_LOCAL_REFS(env, 2) {
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jclass ddm_class = JNI_FUNC_PTR(env,FindClass)(env, "org/apache/harmony/dalvik/ddmc/DdmServer");
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if (JNI_FUNC_PTR(env,ExceptionCheck)(env)) {
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JNI_FUNC_PTR(env,ExceptionClear)(env);
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goto end;
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}
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jmethodID broadcast = JNI_FUNC_PTR(env,GetStaticMethodID)(env, ddm_class, "broadcast", "(I)V");
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if (broadcast == NULL) {
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ERROR_MESSAGE(("JDWP Cannot find DdmServer.broadcast(I)V method!"));
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JNI_FUNC_PTR(env,ExceptionDescribe)(env);
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JNI_FUNC_PTR(env,ExceptionClear)(env);
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goto end;
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}
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jint event =
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connected == JNI_TRUE ? 1 /* DdmServer.CONNECTED */ : 2 /*DdmServer.DISCONNECTED */;
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JNI_FUNC_PTR(env,CallStaticVoidMethod)(env, ddm_class, broadcast, event);
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if (JNI_FUNC_PTR(env,ExceptionCheck)(env)) {
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LOG_ERROR(("DdmServer.broadcast %d failed", event));
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JNI_FUNC_PTR(env,ExceptionDescribe)(env);
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JNI_FUNC_PTR(env,ExceptionClear)(env);
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}
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if (!connected) {
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// If we are disconnecting we also need to call DdmVmInternal.threadNotify(false)
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jclass ddm_vm_internal =
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JNI_FUNC_PTR(env,FindClass)(env, "org/apache/harmony/dalvik/ddmc/DdmVmInternal");
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jmethodID thread_notify =
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JNI_FUNC_PTR(env,GetStaticMethodID)(env, ddm_vm_internal, "threadNotify", "(Z)V");
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if (thread_notify == NULL) {
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ERROR_MESSAGE(("JDWP Cannot find DdmVmInternal.threadNotify(Z)V method!"));
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JNI_FUNC_PTR(env,ExceptionDescribe)(env);
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JNI_FUNC_PTR(env,ExceptionClear)(env);
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goto end;
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}
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JNI_FUNC_PTR(env,CallStaticVoidMethod)(env, ddm_vm_internal, thread_notify, JNI_FALSE);
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if (JNI_FUNC_PTR(env,ExceptionCheck)(env)) {
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LOG_ERROR(("DdmVmInternal.threadNotify(false) failed"));
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JNI_FUNC_PTR(env,ExceptionDescribe)(env);
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JNI_FUNC_PTR(env,ExceptionClear)(env);
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}
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}
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end: ;
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} END_WITH_LOCAL_REFS(env);
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}
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static jboolean
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chunk(PacketInputStream *in, PacketOutputStream *out)
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{
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int i;
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jint type_in;
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jint type_out;
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jint len_in;
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jint len_out;
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jbyte* data_in;
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jbyte* data_out;
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jvmtiError error;
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type_in = inStream_readInt(in);
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len_in = inStream_readInt(in);
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data_in = inStream_readBytes(in, len_in, (jbyte*)jvmtiAllocate(len_in));
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (gdata->ddm_process_chunk == NULL) {
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jvmtiDeallocate(data_in);
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outStream_setError(out, JDWP_ERROR(NOT_IMPLEMENTED));
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return JNI_TRUE;
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}
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jboolean ddm_newly_active = !atomic_exchange(&ddmIsActive, JNI_TRUE);
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if (ddm_newly_active) {
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SendDdmBroadcast(getEnv(), /* connected */JNI_TRUE);
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}
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LOG_JVMTI(("com.android.art.internal.ddm.process_chunk()"));
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error = gdata->ddm_process_chunk(gdata->jvmti,
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type_in,
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len_in,
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data_in,
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&type_out,
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&len_out,
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&data_out);
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jvmtiDeallocate(data_in);
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if (error != JVMTI_ERROR_NONE) {
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// For backwards-compatibility we do not actually return any error or any data at all
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// here.
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LOG_MISC(("Suppressing error from com.android.art.internal.ddm.process_chunk for backwards "
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"compatibility. Error was %s (%d)", jvmtiErrorText(error), error));
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return JNI_TRUE;
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}
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outStream_writeInt(out, type_out);
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outStream_writeByteArray(out, len_out, data_out);
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jvmtiDeallocate(data_out);
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return JNI_TRUE;
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}
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void DDM_initialize(void)
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{
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atomic_exchange(&ddmIsActive, gdata->ddmInitiallyActive);
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}
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void DDM_onDisconnect(void)
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{
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jboolean was_active = atomic_exchange(&ddmIsActive, JNI_FALSE);
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if (was_active) {
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JNIEnv* env = getEnv();
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SendDdmBroadcast(getEnv(), /*connected*/ JNI_FALSE);
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}
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}
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void *DDM_Cmds[] = { (void *)1
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,(void *)chunk
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};
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