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Merge "Preprocessing Teleservice Id 0xFDEA SMS WAP"

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am: 597234f119

Change-Id: I63b3906b26643d50d0208e4231306b9cf830e977
This commit is contained in:
Brad Ebinger
2019-08-28 17:12:27 -07:00
committed by android-build-merger
parent c302ce55ab 597234f119
commit 18f96879c2
2 changed files with 86 additions and 0 deletions
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83
telephony/java/com/android/internal/telephony/cdma/SmsMessage.java
View File

@@ -677,6 +677,89 @@ public class SmsMessage extends SmsMessageBase {
parseSms();
}
/**
* Pre-processes an SMS WAP for Teleservice Id 0xFDEA(65002).
*
* It requires an additional header parsing to extract new Message Identifier and new User Data
* from WDP SMS User Data.
*
* - WDP SMS User Data Subparameter =
* |User Data SUBPARAMETER_ID ~ NUM_FIELDS| + |CHARi| + |RESERVED|
*
* - WDP SMS User Data Subparameter CHARi =
* |New Message Identifier Subparameter(HEADER_IND = 0)| +
* |New User Data Subparameter(MSG_ENCODING = ENCODING_OCTET)|
*
* @return true if preprocessing is successful, false otherwise.
*/
public boolean preprocessCdmaFdeaWap() {
try {
BitwiseInputStream inStream = new BitwiseInputStream(mUserData);
// Message Identifier SUBPARAMETER_ID(0x00)
if (inStream.read(8) != 0x00) {
Rlog.e(LOG_TAG, "Invalid FDEA WDP Header Message Identifier SUBPARAMETER_ID");
return false;
}
// Message Identifier SUBPARAM_LEN(0x03)
if (inStream.read(8) != 0x03) {
Rlog.e(LOG_TAG, "Invalid FDEA WDP Header Message Identifier SUBPARAM_LEN");
return false;
}
// Message Identifier MESSAGE_TYPE
mBearerData.messageType = inStream.read(4);
// Message Identifier MESSAGE_ID
int msgId = inStream.read(8) << 8;
msgId |= inStream.read(8);
mBearerData.messageId = msgId;
mMessageRef = msgId;
// Message Identifier HEADER_IND
mBearerData.hasUserDataHeader = (inStream.read(1) == 1);
if (mBearerData.hasUserDataHeader) {
Rlog.e(LOG_TAG, "Invalid FDEA WDP Header Message Identifier HEADER_IND");
return false;
}
// Message Identifier RESERVED
inStream.skip(3);
// User Data SUBPARAMETER_ID(0x01)
if (inStream.read(8) != 0x01) {
Rlog.e(LOG_TAG, "Invalid FDEA WDP Header User Data SUBPARAMETER_ID");
return false;
}
// User Data SUBPARAM_LEN
int userDataLen = inStream.read(8) * 8;
// User Data MSG_ENCODING
mBearerData.userData.msgEncoding = inStream.read(5);
int consumedBits = 5;
if (mBearerData.userData.msgEncoding != UserData.ENCODING_OCTET) {
Rlog.e(LOG_TAG, "Invalid FDEA WDP Header User Data MSG_ENCODING");
return false;
}
// User Data NUM_FIELDS
mBearerData.userData.numFields = inStream.read(8);
consumedBits += 8;
int remainingBits = userDataLen - consumedBits;
int dataBits = mBearerData.userData.numFields * 8;
dataBits = dataBits < remainingBits ? dataBits : remainingBits;
mBearerData.userData.payload = inStream.readByteArray(dataBits);
mUserData = mBearerData.userData.payload;
return true;
} catch (BitwiseInputStream.AccessException ex) {
Rlog.e(LOG_TAG, "Fail to preprocess FDEA WAP: " + ex);
}
return false;
}
/**
* Parses a SMS message from its BearerData stream.
*/

3
telephony/java/com/android/internal/telephony/cdma/sms/SmsEnvelope.java
View File

@@ -39,6 +39,9 @@ public final class SmsEnvelope {
static public final int TELESERVICE_WEMT = 0x1005;
static public final int TELESERVICE_SCPT = 0x1006;
/** Carriers specific Teleservice IDs. */
public static final int TELESERVICE_FDEA_WAP = 0xFDEA; // 65002
/**
* The following are defined as extensions to the standard teleservices
*/