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Bug 778093 - Part 4/9: support basic ETWS Primary Notification message, r=hsinyi

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This commit is contained in:
Vicamo Yang 2012-12-04 10:41:15 +08:00
parent be687e70b2
commit 38cb676f42
2 changed files with 114 additions and 1 deletions
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2
dom/system/gonk/ril_consts.js
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@ -937,6 +937,8 @@ this.CB_FORMAT_ETWS = 1;
this.CB_FORMAT_CMAS = 2;
this.CB_FORMAT_UMTS = 3;
this.CB_MESSAGE_SIZE_ETWS = 56;
// GSM Cell Broadcast Geographical Scope
// See 3GPP TS 23.041 clause 9.4.1.2.1
this.CB_GSM_GEOGRAPHICAL_SCOPE_NAMES = [

113
dom/system/gonk/ril_worker.js
View File

@ -5504,7 +5504,20 @@ RIL[UNSOLICITED_RESPONSE_SIM_STATUS_CHANGED] = function UNSOLICITED_RESPONSE_SIM
this.getICCStatus();
};
RIL[UNSOLICITED_RESPONSE_CDMA_NEW_SMS] = null;
RIL[UNSOLICITED_RESPONSE_NEW_BROADCAST_SMS] = null;
RIL[UNSOLICITED_RESPONSE_NEW_BROADCAST_SMS] = function UNSOLICITED_RESPONSE_NEW_BROADCAST_SMS(length) {
let message;
try {
message = GsmPDUHelper.readCbMessage(Buf.readUint32());
} catch (e) {
if (DEBUG) {
debug("Failed to parse Cell Broadcast message: " + JSON.stringify(e));
}
return;
}
message.rilMessageType = "cellbroadcast-received";
this.sendDOMMessage(message);
};
RIL[UNSOLICITED_CDMA_RUIM_SMS_STORAGE_FULL] = null;
RIL[UNSOLICITED_RESTRICTED_STATE_CHANGED] = null;
RIL[UNSOLICITED_ENTER_EMERGENCY_CALLBACK_MODE] = null;
@ -6926,6 +6939,104 @@ let GsmPDUHelper = {
Buf.writeUint16(0);
Buf.writeUint16(0);
},
/**
* Read GSM CBS message serial number.
*
* @param msg
* message object for output.
*
* @see 3GPP TS 23.041 section 9.4.1.2.1
*/
readCbSerialNumber: function readCbSerialNumber(msg) {
let serial = Buf.readUint8() << 8 | Buf.readUint8();
msg.geographicalScope = (serial >>> 14) & 0x03;
msg.messageCode = (serial >>> 4) & 0x03FF;
msg.updateNumber = serial & 0x0F;
},
/**
* Read GSM CBS message message identifier.
*
* @param msg
* message object for output.
*
* @see 3GPP TS 23.041 section 9.4.1.2.2
*/
readCbMessageIdentifier: function readCbMessageIdentifier(msg) {
msg.messageId = Buf.readUint8() << 8 | Buf.readUint8();
},
/**
* Read ETWS Primary Notification message warning type.
*
* @param msg
* message object for output.
*
* @see 3GPP TS 23.041 section 9.3.24
*/
readCbWarningType: function readCbWarningType(msg) {
let word = Buf.readUint8() << 8 | Buf.readUint8();
msg.etws = {
warningType: (word >>> 9) & 0x7F,
popup: word & 0x80 ? true : false,
emergencyUserAlert: word & 0x100 ? true : false
};
},
/**
* Read Cell GSM/ETWS/UMTS Broadcast Message.
*
* @param pduLength
* total length of the incoming PDU in octets.
*/
readCbMessage: function readCbMessage(pduLength) {
// Validity GSM ETWS UMTS
let msg = {
// Internally used in ril_worker:
updateNumber: null, // O O O
format: null, // O O O
// DOM attributes:
geographicalScope: null, // O O O
messageCode: null, // O O O
messageId: null, // O O O
messageClass: GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_NORMAL], // O x O
etws: null // ? O ?
/*{
warningType: null, // X O X
popup: false, // X O X
emergencyUserAlert: false, // X O X
}*/
};
if (pduLength <= CB_MESSAGE_SIZE_ETWS) {
msg.format = CB_FORMAT_ETWS;
return this.readEtwsCbMessage(msg);
}
return null;
},
/**
* Read ETWS Primary Notification Message.
*
* @param msg
* message object for output.
*
* @see 3GPP TS 23.041 clause 9.4.1.3
*/
readEtwsCbMessage: function readEtwsCbMessage(msg) {
this.readCbSerialNumber(msg);
this.readCbMessageIdentifier(msg);
this.readCbWarningType(msg);
// Octet 7..56 is Warning Security Information. However, according to
// section 9.4.1.3.6, `The UE shall ignore this parameter.` So we just skip
// processing it here.
return msg;
},
};
let StkCommandParamsFactory = {