Examples with BitwiseInputStream com.android.internal.util.BitwiseInputStream used on opensource projects

Example 36 with BitwiseInputStream

use of com.android.internal.util.BitwiseInputStream in project XobotOS by xamarin.

the class SmsMessage method parsePduFromEfRecord.

/**
     * Decodes 3GPP2 sms stored in CSIM/RUIM cards As per 3GPP2 C.S0015-0
     */
private void parsePduFromEfRecord(byte[] pdu) {
    ByteArrayInputStream bais = new ByteArrayInputStream(pdu);
    DataInputStream dis = new DataInputStream(bais);
    SmsEnvelope env = new SmsEnvelope();
    CdmaSmsAddress addr = new CdmaSmsAddress();
    CdmaSmsSubaddress subAddr = new CdmaSmsSubaddress();
    try {
        env.messageType = dis.readByte();
        while (dis.available() > 0) {
            int parameterId = dis.readByte();
            int parameterLen = dis.readByte();
            byte[] parameterData = new byte[parameterLen];
            switch(parameterId) {
                case TELESERVICE_IDENTIFIER:
                    /*
                         * 16 bit parameter that identifies which upper layer
                         * service access point is sending or should receive
                         * this message
                         */
                    env.teleService = dis.readUnsignedShort();
                    Log.i(LOG_TAG, "teleservice = " + env.teleService);
                    break;
                case SERVICE_CATEGORY:
                    /*
                         * 16 bit parameter that identifies type of service as
                         * in 3GPP2 C.S0015-0 Table 3.4.3.2-1
                         */
                    env.serviceCategory = dis.readUnsignedShort();
                    break;
                case ORIGINATING_ADDRESS:
                case DESTINATION_ADDRESS:
                    dis.read(parameterData, 0, parameterLen);
                    BitwiseInputStream addrBis = new BitwiseInputStream(parameterData);
                    addr.digitMode = addrBis.read(1);
                    addr.numberMode = addrBis.read(1);
                    int numberType = 0;
                    if (addr.digitMode == CdmaSmsAddress.DIGIT_MODE_8BIT_CHAR) {
                        numberType = addrBis.read(3);
                        addr.ton = numberType;
                        if (addr.numberMode == CdmaSmsAddress.NUMBER_MODE_NOT_DATA_NETWORK)
                            addr.numberPlan = addrBis.read(4);
                    }
                    addr.numberOfDigits = addrBis.read(8);
                    byte[] data = new byte[addr.numberOfDigits];
                    byte b = 0x00;
                    if (addr.digitMode == CdmaSmsAddress.DIGIT_MODE_4BIT_DTMF) {
                        /* As per 3GPP2 C.S0005-0 Table 2.7.1.3.2.4-4 */
                        for (int index = 0; index < addr.numberOfDigits; index++) {
                            b = (byte) (0xF & addrBis.read(4));
                            // convert the value if it is 4-bit DTMF to 8
                            // bit
                            data[index] = convertDtmfToAscii(b);
                        }
                    } else if (addr.digitMode == CdmaSmsAddress.DIGIT_MODE_8BIT_CHAR) {
                        if (addr.numberMode == CdmaSmsAddress.NUMBER_MODE_NOT_DATA_NETWORK) {
                            for (int index = 0; index < addr.numberOfDigits; index++) {
                                b = (byte) (0xFF & addrBis.read(8));
                                data[index] = b;
                            }
                        } else if (addr.numberMode == CdmaSmsAddress.NUMBER_MODE_DATA_NETWORK) {
                            if (numberType == 2)
                                Log.e(LOG_TAG, "TODO: Originating Addr is email id");
                            else
                                Log.e(LOG_TAG, "TODO: Originating Addr is data network address");
                        } else {
                            Log.e(LOG_TAG, "Originating Addr is of incorrect type");
                        }
                    } else {
                        Log.e(LOG_TAG, "Incorrect Digit mode");
                    }
                    addr.origBytes = data;
                    Log.i(LOG_TAG, "Originating Addr=" + addr.toString());
                    break;
                case ORIGINATING_SUB_ADDRESS:
                case DESTINATION_SUB_ADDRESS:
                    dis.read(parameterData, 0, parameterLen);
                    BitwiseInputStream subAddrBis = new BitwiseInputStream(parameterData);
                    subAddr.type = subAddrBis.read(3);
                    subAddr.odd = subAddrBis.readByteArray(1)[0];
                    int subAddrLen = subAddrBis.read(8);
                    byte[] subdata = new byte[subAddrLen];
                    for (int index = 0; index < subAddrLen; index++) {
                        b = (byte) (0xFF & subAddrBis.read(4));
                        // convert the value if it is 4-bit DTMF to 8 bit
                        subdata[index] = convertDtmfToAscii(b);
                    }
                    subAddr.origBytes = subdata;
                    break;
                case BEARER_REPLY_OPTION:
                    dis.read(parameterData, 0, parameterLen);
                    BitwiseInputStream replyOptBis = new BitwiseInputStream(parameterData);
                    env.bearerReply = replyOptBis.read(6);
                    break;
                case CAUSE_CODES:
                    dis.read(parameterData, 0, parameterLen);
                    BitwiseInputStream ccBis = new BitwiseInputStream(parameterData);
                    env.replySeqNo = ccBis.readByteArray(6)[0];
                    env.errorClass = ccBis.readByteArray(2)[0];
                    if (env.errorClass != 0x00)
                        env.causeCode = ccBis.readByteArray(8)[0];
                    break;
                case BEARER_DATA:
                    dis.read(parameterData, 0, parameterLen);
                    env.bearerData = parameterData;
                    break;
                default:
                    throw new Exception("unsupported parameterId (" + parameterId + ")");
            }
        }
        bais.close();
        dis.close();
    } catch (Exception ex) {
        Log.e(LOG_TAG, "parsePduFromEfRecord: conversion from pdu to SmsMessage failed" + ex);
    }
    // link the filled objects to this SMS
    originatingAddress = addr;
    env.origAddress = addr;
    env.origSubaddress = subAddr;
    mEnvelope = env;
    mPdu = pdu;
    parseSms();
}

Example 37 with BitwiseInputStream

use of com.android.internal.util.BitwiseInputStream in project XobotOS by xamarin.

the class BearerData method decodeIs91Cli.

/**
     * IS-91 CLI message (callback number) decoding
     * (See 3GPP2 C.S0015-A, Table 4.3.1.4.1-1)
     *
     * Protocol Summary: The data payload may contain 1-32 digits,
     * encoded using standard 4-bit DTMF, which are treated as a
     * callback number.
     */
private static void decodeIs91Cli(BearerData bData) throws CodingException {
    BitwiseInputStream inStream = new BitwiseInputStream(bData.userData.payload);
    // 4-bit packed DTMF digit encoding.
    int dataLen = inStream.available() / 4;
    int numFields = bData.userData.numFields;
    if ((dataLen > 14) || (dataLen < 3) || (dataLen < numFields)) {
        throw new CodingException("IS-91 voicemail status decoding failed");
    }
    CdmaSmsAddress addr = new CdmaSmsAddress();
    addr.digitMode = CdmaSmsAddress.DIGIT_MODE_4BIT_DTMF;
    addr.origBytes = bData.userData.payload;
    addr.numberOfDigits = (byte) numFields;
    decodeSmsAddress(addr);
    bData.callbackNumber = addr;
}

Example 38 with BitwiseInputStream

use of com.android.internal.util.BitwiseInputStream in project android_frameworks_base by DirtyUnicorns.

the class BitwiseStreamsTest method testThree.

@SmallTest
public void testThree() throws Exception {
    int offset = 4;
    byte[] inBuf = HexDump.hexStringToByteArray("00031040900112488ea794e0");
    BitwiseOutputStream outStream = new BitwiseOutputStream(30);
    outStream.skip(offset);
    for (int i = 0; i < inBuf.length; i++) outStream.write(8, inBuf[i]);
    BitwiseInputStream inStream = new BitwiseInputStream(outStream.toByteArray());
    inStream.skip(offset);
    byte[] inBufDup = new byte[inBuf.length];
    for (int i = 0; i < inBufDup.length; i++) inBufDup[i] = (byte) inStream.read(8);
    assertEquals(HexDump.toHexString(inBuf), HexDump.toHexString(inBufDup));
}

Example 39 with BitwiseInputStream

use of com.android.internal.util.BitwiseInputStream in project android_frameworks_base by DirtyUnicorns.

the class BitwiseStreamsTest method testOne.

@SmallTest
public void testOne() throws Exception {
    int offset = 3;
    byte[] inBuf = HexDump.hexStringToByteArray("FFDD");
    BitwiseOutputStream outStream = new BitwiseOutputStream(30);
    outStream.skip(offset);
    for (int i = 0; i < inBuf.length; i++) outStream.write(8, inBuf[i]);
    byte[] outBuf = outStream.toByteArray();
    BitwiseInputStream inStream = new BitwiseInputStream(outBuf);
    byte[] inBufDup = new byte[inBuf.length];
    inStream.skip(offset);
    for (int i = 0; i < inBufDup.length; i++) inBufDup[i] = (byte) inStream.read(8);
    assertEquals(HexDump.toHexString(inBuf), HexDump.toHexString(inBufDup));
}

Example 40 with BitwiseInputStream

use of com.android.internal.util.BitwiseInputStream in project android_frameworks_base by AOSPA.

the class BitwiseStreamsTest method testTwo.

@SmallTest
public void testTwo() throws Exception {
    int offset = 3;
    byte[] inBuf = HexDump.hexStringToByteArray("11d4f29c0e9ad3c36e72584e064d9b53");
    BitwiseOutputStream outStream = new BitwiseOutputStream(30);
    outStream.skip(offset);
    for (int i = 0; i < inBuf.length; i++) outStream.write(8, inBuf[i]);
    BitwiseInputStream inStream = new BitwiseInputStream(outStream.toByteArray());
    inStream.skip(offset);
    byte[] inBufDup = new byte[inBuf.length];
    for (int i = 0; i < inBufDup.length; i++) inBufDup[i] = (byte) inStream.read(8);
    assertEquals(HexDump.toHexString(inBuf), HexDump.toHexString(inBufDup));
}