void RPMessage::write(RLFrame& dest) const
{
// All relay-layer messages (GSM 04.11 7.3) have the same 2-byte header.
dest.resize(bitsNeeded());
size_t wp=0;
dest.writeField(wp,0,5);
// Note that we add one for the n->ms direction.
// See GSM 04.11 8.2.2 Table 8.3
dest.writeField(wp,MTI()+1,3);
dest.writeField(wp,mReference,8);
// After the header, fill in the body.
writeBody(dest,wp);
}
void RPMessage::parse(const RLFrame& frame)
{
size_t rp = 8;
// FIXME -- A consistency check of PD and MTI would be good.
mReference = frame.readField(rp,8);
parseBody(frame,rp);
}
/**
Process the RPDU.
@param mobileID The sender's IMSI.
@param RPDU The RPDU to process.
@return true if successful.
*/
bool handleRPDU(const L3MobileIdentity& mobileID, const RLFrame& RPDU)
{
LOG(DEBUG) << "SMS: handleRPDU MTI=" << RPDU.MTI();
switch ((RPMessage::MessageType)RPDU.MTI()) {
case RPMessage::Data: {
ostringstream body;
RPDU.hex(body);
return sendSIP(mobileID, gConfig.getStr("SIP.SMSC"), body.str().data());
}
case RPMessage::Ack:
case RPMessage::SMMA:
return true;
case RPMessage::Error:
default:
return false;
}
}
/**
Process the RPDU.
@param mobileID The sender's IMSI.
@param RPDU The RPDU to process.
@return true if successful.
*/
bool handleRPDU(TransactionEntry *transaction, const RLFrame& RPDU)
{
LOG(DEBUG) << "SMS: handleRPDU MTI=" << RPDU.MTI();
switch ((RPMessage::MessageType)RPDU.MTI()) {
case RPMessage::Data: {
string contentType = gConfig.getStr("SMS.MIMEType");
ostringstream body;
if (contentType == "text/plain") {
// TODO: Clean this mess up!
RPData data;
data.parse(RPDU);
TLSubmit submit;
submit.parse(data.TPDU());
body << submit.UD().decode();
} else if (contentType == "application/vnd.3gpp.sms") {
RPDU.hex(body);
} else {
LOG(ALERT) << "\"" << contentType << "\" is not a valid SMS payload type";
}
const char* address = NULL;
if (gConfig.defines("SIP.SMSC")) address = gConfig.getStr("SIP.SMSC").c_str();
/* The SMSC is not defined, we are using an older version */
if (address == NULL) {
RPData data;
data.parse(RPDU);
TLSubmit submit;
submit.parse(data.TPDU());
address = submit.DA().digits();
}
return sendSIP(transaction, address, body.str().data(),contentType.c_str());
}
case RPMessage::Ack:
case RPMessage::SMMA:
return true;
case RPMessage::Error:
default:
return false;
}
}
/**
Process the incomming RPDU.
@param mobileID The sender's IMSI.
@param RPDU The RPDU to process.
@return true if successful.
*/
bool MOSMSMachine::handleRPDU(const RLFrame& RPDU)
{
LOG(DEBUG) << "SMS: handleRPDU MTI=" << RPDU.MTI();
switch ((RPMessage::MessageType)RPDU.MTI()) {
case RPMessage::Data: {
string contentType = gConfig.getStr("SMS.MIMEType");
ostringstream body;
string toAddress = "";
if (contentType == "text/plain") {
RPData data;
data.parse(RPDU);
TLSubmit submit;
submit.parse(data.TPDU());
body << submit.UD().decode(); // (pat) TODO: efficiencize this.
toAddress = string(submit.DA().digits());
} else if (contentType == "application/vnd.3gpp.sms") {
toAddress = "smsc"; // If encoded this is expected in destination address
RPDU.hex(body);
} else {
LOG(ERR) << "\"" << contentType << "\" is not a valid SMS payload type";
}
// Steps:
// 1 -- Complete transaction record.
// 2 -- Send TL-SUBMIT to the server.
// 3 -- Wait for response or timeout.
// 4 -- Return true for OK or ACCEPTED, false otherwise.
// Step 1 and 2 -- Complete the transaction record and send TL-SUMBIT to server.
// Form the TLAddress into a CalledPartyNumber for the transaction.
// Attach calledParty and message body to the transaction.
SipDialog::newSipDialogMOSMS(tran()->tranID(), tran()->subscriber(), toAddress, body.str(), contentType);
return true;
}
case RPMessage::Ack:
case RPMessage::SMMA:
return true;
case RPMessage::Error:
default:
return false;
}
}
