/protocols/ss7/mtp/mtp-api/src/main/java/org/mobicents/protocols/ss7/mtp/Mtp3TransferPrimitive.java
Java | 234 lines | 164 code | 39 blank | 31 comment | 4 complexity | 8d10494e0082c622c7e5cc24710d204e MD5 | raw file
Possible License(s): LGPL-3.0, GPL-3.0, LGPL-2.1, GPL-2.0, CC-BY-SA-3.0, CC0-1.0, Apache-2.0, BSD-3-Clause
- /*
- * JBoss, Home of Professional Open Source
- * Copyright 2011, Red Hat, Inc. and individual contributors
- * by the @authors tag. See the copyright.txt in the distribution for a
- * full listing of individual contributors.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This software 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this software; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
- */
-
- package org.mobicents.protocols.ss7.mtp;
-
- /**
- * @author sergey vetyutnev
- *
- */
- public class Mtp3TransferPrimitive {
-
- protected int si; // service indicator
- protected int ni; // network indicator
- protected int mp; // message priority
- protected int opc;
- protected int dpc;
- protected int sls;
- protected byte[] data;
-
- public Mtp3TransferPrimitive() {
- }
-
- public Mtp3TransferPrimitive(int si, int ni, int mp, int opc, int dpc, int sls, byte[] data) {
- this.si = si;
- this.ni = ni;
- this.mp = mp;
- this.opc = opc;
- this.dpc = dpc;
- this.sls = sls;
- this.data = data;
- }
-
- public int getSi() {
- return this.si;
- }
-
- public int getNi() {
- return this.ni;
- }
-
- public int getMp() {
- return this.mp;
- }
-
- public int getOpc() {
- return this.opc;
- }
-
- public int getDpc() {
- return this.dpc;
- }
-
- public int getSls() {
- return this.sls;
- }
-
- public byte[] getData() {
- return this.data;
- }
-
- public void setSi(int si) {
- this.si = si;
- }
-
- public void setNi(int ni) {
- this.ni = ni;
- }
-
- public void setMp(int mp) {
- this.mp = mp;
- }
-
- public void setOpc( int opc ) {
- this.opc = opc;
- }
-
- public void setDpc( int dpc ) {
- this.dpc = dpc;
- }
-
- public void setSls( int sls ) {
- this.sls = sls;
- }
-
- public void setData(byte[] data) {
- this.data = data;
- }
-
-
- public void decodeMtp3(byte[] msg) {
-
- // sio
- int sio = msg[0];
- this.si = sio & 0x0F;
- int ssi = (sio & 0xF0) >> 4;
- this.ni = ssi >> 2;
- this.mp = ssi & 0x03;
-
- // routing label
- byte b1 = msg[1];
- byte b2 = msg[2];
- byte b3 = msg[3];
- byte b4 = msg[4];
- this.dpc = ((b2 & 0x3f) << 8) | (b1 & 0xff);
- this.opc = ((b4 & 0x0f) << 10) | ((b3 & 0xff) << 2) | ((b2 & 0xc0) >> 6);
- this.sls = ((b4 & 0xf0) >> 4);
-
- // msu data
- this.data = new byte[msg.length - 5];
- System.arraycopy(msg, 5, this.data, 0, this.data.length);
- }
-
- public byte[] encodeMtp3() {
-
- byte[] res = new byte[this.data.length + 5];
-
- // sio
- int ssi = (this.ni & 0x03) << 2 | (this.mp & 0x03);
- res[0] = (byte) (((ssi & 0x0F) << 4) | (this.si & 0x0F));
-
- // routing label
- res[1] = (byte) dpc;
- res[2] = (byte) (((dpc >> 8) & 0x3F) | ((this.opc & 0x03) << 6));
- res[3] = (byte) (this.opc >> 2);
- res[4] = (byte) (((this.opc >> 10) & 0x0F) | ((sls & 0x0F) << 4));
-
- // msu data
- System.arraycopy(this.data, 0, res, 5, this.data.length);
-
- return res;
- }
-
- @Override
- public String toString() {
-
- StringBuilder sb = new StringBuilder();
- sb.append("MTP-TRANSFER: OPC=");
- sb.append(this.opc);
- sb.append(", DPC=");
- sb.append(this.dpc);
- sb.append(", SLS=");
- sb.append(this.sls);
-
- if (this.data != null) {
- sb.append(", MsgLen=");
- sb.append(this.data.length);
- }
-
- sb.append(", NI=");
- switch (this.ni) {
- case 0:
- sb.append("National");
- break;
- case 1:
- sb.append("NationalSpare");
- break;
- case 2:
- sb.append("International");
- break;
- case 3:
- sb.append("InternationalSpare");
- break;
- default:
- sb.append(this.ni);
- break;
- }
-
- sb.append(", SI=");
- switch (this.si) {
- case 0:
- sb.append("SNMM");
- break;
- case 1:
- sb.append("SNTMM");
- break;
- case 2:
- sb.append("SNTMM Special");
- break;
- case 3:
- sb.append("SCCP");
- break;
- case 4:
- sb.append("TUP");
- break;
- case 5:
- sb.append("ISDN");
- break;
- case 6:
- sb.append("DUP-1");
- break;
- case 7:
- sb.append("DUP-1");
- break;
- case 8:
- sb.append("MTP Testing");
- break;
- case 9:
- sb.append("Broadband ISDN");
- break;
- case 10:
- sb.append("Satellite ISDN");
- break;
- default:
- sb.append(this.si);
- break;
- }
-
- sb.append(", MP=");
- sb.append(this.mp);
-
- return sb.toString();
- }
- }
-
-