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Java example source code file (outStream.h)

This example Java source code file (outStream.h) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

frameid, initial_segment_size, jdwp_outstream_h, max_segment_size, packetdata, packetoutputstream

The outStream.h Java example source code

/*
 * Copyright (c) 1998, 2008, 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.
 */

#ifndef JDWP_OUTSTREAM_H
#define JDWP_OUTSTREAM_H

#include "transport.h"
#include "FrameID.h"

struct bag;

#define INITIAL_SEGMENT_SIZE   300
#define MAX_SEGMENT_SIZE     10000

typedef struct PacketData {
    int length;
    jbyte *data;
    struct PacketData *next;
} PacketData;

typedef struct PacketOutputStream {
    jbyte *current;
    jint left;
    struct PacketData *segment;
    struct PacketData firstSegment;
    jvmtiError error;
    jboolean sent;
    jdwpPacket packet;
    jbyte initialSegment[INITIAL_SEGMENT_SIZE];
    struct bag *ids;
} PacketOutputStream;

void outStream_initCommand(PacketOutputStream *stream, jint id,
                           jbyte flags, jbyte commandSet, jbyte command);
void outStream_initReply(PacketOutputStream *stream, jint id);

jint outStream_id(PacketOutputStream *stream);
jbyte outStream_command(PacketOutputStream *stream);

jdwpError outStream_writeBoolean(PacketOutputStream *stream, jboolean val);
jdwpError outStream_writeByte(PacketOutputStream *stream, jbyte val);
jdwpError outStream_writeChar(PacketOutputStream *stream, jchar val);
jdwpError outStream_writeShort(PacketOutputStream *stream, jshort val);
jdwpError outStream_writeInt(PacketOutputStream *stream, jint val);
jdwpError outStream_writeLong(PacketOutputStream *stream, jlong val);
jdwpError outStream_writeFloat(PacketOutputStream *stream, jfloat val);
jdwpError outStream_writeDouble(PacketOutputStream *stream, jdouble val);
jdwpError outStream_writeObjectRef(JNIEnv *env, PacketOutputStream *stream, jobject val);
jdwpError outStream_writeObjectTag(JNIEnv *env, PacketOutputStream *stream, jobject val);
jdwpError outStream_writeFrameID(PacketOutputStream *stream, FrameID val);
jdwpError outStream_writeMethodID(PacketOutputStream *stream, jmethodID val);
jdwpError outStream_writeFieldID(PacketOutputStream *stream, jfieldID val);
jdwpError outStream_writeLocation(PacketOutputStream *stream, jlocation val);
jdwpError outStream_writeByteArray(PacketOutputStream*stream, jint length, jbyte *bytes);
jdwpError outStream_writeString(PacketOutputStream *stream, char *string);
jdwpError outStream_writeValue(JNIEnv *env, struct PacketOutputStream *out,
                          jbyte typeKey, jvalue value);
jdwpError outStream_skipBytes(PacketOutputStream *stream, jint count);

jdwpError outStream_error(PacketOutputStream *stream);
void outStream_setError(PacketOutputStream *stream, jdwpError error);

void outStream_sendReply(PacketOutputStream *stream);
void outStream_sendCommand(PacketOutputStream *stream);

void outStream_destroy(PacketOutputStream *stream);

#endif

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