cdma sms is91 support (8203dc1b) · Commits · e / os / android_frameworks_base

telephony/java/com/android/internal/telephony/cdma/sms/BearerData.java

+128 −1

Original line number	Diff line number	Diff line
		@@ -919,6 +919,122 @@ public final class BearerData {
		}
		}

		/**
		* IS-91 Voice Mail message decoding
		* (See 3GPP2 C.S0015-A, Table 4.3.1.4.1-1)
		* (For character encodings, see TIA/EIA/IS-91, Annex B)
		*
		* Protocol Summary: The user data payload may contain 3-14
		* characters. The first two characters are parsed as a number
		* and indicate the number of voicemails. The third character is
		* either a SPACE or '!' to indicate normal or urgent priority,
		* respectively. Any following characters are treated as normal
		* text user data payload.
		*
		* Note that the characters encoding is 6-bit packed.
		*/
		private static void decodeIs91VoicemailStatus(BearerData bData)
		throws BitwiseInputStream.AccessException, CodingException
		{
		BitwiseInputStream inStream = new BitwiseInputStream(bData.userData.payload);
		int dataLen = inStream.available() / 6; // 6-bit packed character encoding.
		int numFields = bData.userData.numFields;
		if ((dataLen > 14) \|\| (dataLen < 3) \|\| (dataLen < numFields)) {
		throw new CodingException("IS-91 voicemail status decoding failed");
		}
		try {
		StringBuffer strbuf = new StringBuffer(dataLen);
		while (inStream.available() >= 6) {
		strbuf.append(UserData.IA5_MAP[inStream.read(6)]);
		}
		String data = strbuf.toString();
		bData.numberOfMessages = Integer.parseInt(data.substring(0, 2));
		char prioCode = data.charAt(2);
		if (prioCode == ' ') {
		bData.priority = PRIORITY_NORMAL;
		} else if (prioCode == '!') {
		bData.priority = PRIORITY_URGENT;
		} else {
		throw new CodingException("IS-91 voicemail status decoding failed: " +
		"illegal priority setting (" + prioCode + ")");
		}
		bData.priorityIndicatorSet = true;
		bData.userData.payloadStr = data.substring(3, numFields - 3);
		} catch (java.lang.NumberFormatException ex) {
		throw new CodingException("IS-91 voicemail status decoding failed: " + ex);
		} catch (java.lang.IndexOutOfBoundsException ex) {
		throw new CodingException("IS-91 voicemail status decoding failed: " + ex);
		}
		}

		/**
		* IS-91 Short Message decoding
		* (See 3GPP2 C.S0015-A, Table 4.3.1.4.1-1)
		* (For character encodings, see TIA/EIA/IS-91, Annex B)
		*
		* Protocol Summary: The user data payload may contain 1-14
		* characters, which are treated as normal text user data payload.
		* Note that the characters encoding is 6-bit packed.
		*/
		private static void decodeIs91ShortMessage(BearerData bData)
		throws BitwiseInputStream.AccessException, CodingException
		{
		BitwiseInputStream inStream = new BitwiseInputStream(bData.userData.payload);
		int dataLen = inStream.available() / 6; // 6-bit packed character encoding.
		int numFields = bData.userData.numFields;
		if ((dataLen > 14) \|\| (dataLen < numFields)) {
		throw new CodingException("IS-91 voicemail status decoding failed");
		}
		StringBuffer strbuf = new StringBuffer(dataLen);
		for (int i = 0; i < numFields; i++) {
		strbuf.append(UserData.IA5_MAP[inStream.read(6)]);
		}
		bData.userData.payloadStr = strbuf.toString();
		}

		/**
		* 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);
		int dataLen = inStream.available() / 4; // 4-bit packed DTMF digit encoding.
		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;
		}

		private static void decodeIs91(BearerData bData)
		throws BitwiseInputStream.AccessException, CodingException
		{
		switch (bData.userData.msgType) {
		case UserData.IS91_MSG_TYPE_VOICEMAIL_STATUS:
		decodeIs91VoicemailStatus(bData);
		break;
		case UserData.IS91_MSG_TYPE_CLI:
		decodeIs91Cli(bData);
		break;
		case UserData.IS91_MSG_TYPE_SHORT_MESSAGE_FULL:
		case UserData.IS91_MSG_TYPE_SHORT_MESSAGE:
		decodeIs91ShortMessage(bData);
		break;
		default:
		throw new CodingException("unsupported IS-91 message type (" +
		bData.userData.msgType + ")");
		}
		}

		private static void decodeReplyOption(BearerData bData, BitwiseInputStream inStream)
		throws BitwiseInputStream.AccessException, CodingException
		{
		@@ -1219,8 +1335,19 @@ public final class BearerData {
		throw new CodingException("missing MESSAGE_IDENTIFIER subparam");
		}
		if (bData.userData != null) {
		if (bData.userData.msgEncoding == UserData.ENCODING_IS91_EXTENDED_PROTOCOL) {
		if ((foundSubparamMask ^
		(1 << SUBPARAM_MESSAGE_IDENTIFIER) ^
		(1 << SUBPARAM_USER_DATA))
		!= 0) {
		Log.e(LOG_TAG, "IS-91 must occur without extra subparams (" +
		foundSubparamMask + ")");
		}
		decodeIs91(bData);
		} else {
		decodeUserDataPayload(bData.userData, bData.hasUserDataHeader);
		}
		}
		return bData;
		} catch (BitwiseInputStream.AccessException ex) {
		Log.e(LOG_TAG, "BearerData decode failed: " + ex);

telephony/java/com/android/internal/telephony/cdma/sms/UserData.java

+14 −1

Original line number	Diff line number	Diff line
		@@ -39,6 +39,15 @@ public class UserData {
		public static final int ENCODING_GSM_7BIT_ALPHABET = 0x09;
		public static final int ENCODING_GSM_DCS = 0x0A;

		/**
		* IS-91 message types.
		* (See TIA/EIS/IS-91-A-ENGL 1999, table 3.7.1.1-3)
		*/
		public static final int IS91_MSG_TYPE_VOICEMAIL_STATUS = 0x82;
		public static final int IS91_MSG_TYPE_SHORT_MESSAGE_FULL = 0x83;
		public static final int IS91_MSG_TYPE_CLI = 0x84;
		public static final int IS91_MSG_TYPE_SHORT_MESSAGE = 0x85;

		/**
		* IA5 data encoding character mappings.
		* (See CCITT Rec. T.50 Tables 1 and 3)
		@@ -46,6 +55,11 @@ public class UserData {
		* Note this mapping is the the same as for printable ASCII
		* characters, with a 0x20 offset, meaning that the ASCII SPACE
		* character occurs with code 0x20.
		*
		* Note this mapping is also equivalent to that used by the IS-91
		* protocol, except for the latter using only 6 bits, and hence
		* mapping only entries up to the '_' character.
		*
		*/
		public static final char[] IA5_MAP = {
		' ', '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/',
		@@ -96,7 +110,6 @@ public class UserData {
		public int msgEncoding;
		public boolean msgEncodingSet = false;

		// XXX needed when encoding is IS91 or DCS (not supported yet):
		public int msgType;

		/**

tests/AndroidTests/src/com/android/unit_tests/CdmaSmsTest.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,8 @@ import android.test.suitebuilder.annotation.SmallTest;

		import java.util.Iterator;

		import java.lang.Integer;

		import android.util.Log;

		public class CdmaSmsTest extends AndroidTestCase {
		@@ -679,4 +681,15 @@ public class CdmaSmsTest extends AndroidTestCase {
		assertEquals(revBearerData.displayModeSet, true);
		assertEquals(revBearerData.displayMode, bearerData.displayMode);
		}

		@SmallTest
		public void testIs91() throws Exception {
		String pdu1 = "000320001001070c2039acc13880";
		BearerData bd1 = BearerData.decode(HexDump.hexStringToByteArray(pdu1));
		assertEquals(bd1.callbackNumber.address, "3598271");
		String pdu4 = "000320001001080c283c314724b34e";
		BearerData bd4 = BearerData.decode(HexDump.hexStringToByteArray(pdu4));
		assertEquals(bd4.userData.payloadStr, "ABCDEFG");
		}

		}