一、setDataProfile(apn.modemCognitive->??aosp apn not invoke setDataProfilesAsNeeded??)：
DcTracker.setDataProfilesAsNeeded
->for (ApnSetting apn : mAllApnSettings) {
->if (apn.modemCognitive) {
->...->RIL.setDataProfile->RIL_REQUEST_SET_DATA_PROFILE->...->ril_service.cpp
->RadioImpl::setDataProfile->RIL_REQUEST_SET_DATA_PROFILE->...->reference-ril.c.onRequest->??
Telephony.Carriers.MODEM_COGNITIVE:
/**
* Is the apn setting to be set in modem
* <P>Type: INTEGER (boolean)</P>
*@hide
*/
public static final String MODEM_COGNITIVE = "modem_cognitive";
(setModemCognitive:
DevicePolicyManager.getOverrideApns->DevicePolicyManagerService.getOverrideApns
->getOverrideApnsUnchecked->ApnSetting.makeApnSetting->setModemCognitive)
二、requestNetwork set mApnSetting(from APN_TYPE_DUN/mAllApnSettings):
DcTracker.requestNetwork->...->trySetupData
->int radioTech = mPhone.getServiceState().getRilDataRadioTechnology();
->ArrayList<ApnSetting> waitingApns =
buildWaitingApns(apnContext.getApnType(), radioTech);
->...(APN_TYPE_DUN/mPreferredApn/mAllApnSettings(
->for (ApnSetting apn : mAllApnSettings) {
->if (apn.canHandleType(requestedApnType)) {
->ServiceState.bitmaskHasTech(apn.networkTypeBitmask,
ServiceState.rilRadioTechnologyToNetworkType(radioTech))))
->apnContext.setWaitingApns(waitingApns);->RetryManager.setWaitingApns->mWaitingApns
->setupData
->apnSetting = apnContext.getNextApnSetting();->RetryManager.getNextApnSetting->mWaitingApns.get
->apnContext.setApnSetting(apnSetting);->apnContext.mApnSetting
mPreferredApn(from apnContext.getApnSetting):
DcTracker.requestNetwork->...->setupData->EVENT_DATA_SETUP_COMPLETE->...->onDataSetupComplete
->ApnSetting apn = apnContext.getApnSetting();->ApnContext.mApnSetting
->mPreferredApn = apn;
->setPreferredApn(mPreferredApn.id)
buildWaitingApns:
/**
* Build a list of APNs to be used to create PDP‘s.
private ArrayList<ApnSetting> buildWaitingApns(String requestedApnType, int radioTech) {
setupDataCall mApnSetting(from apnContext.getApnSetting):
DataConnection.DcInactiveState.processMessage->EVENT_CONNECT
->initConnection->mApnSetting = apnContext.getApnSetting();->ApnContext.mApnSetting
->onConnect(ConnectionParams cp)
->DataProfile dp = DcTracker.createDataProfile(mApnSetting, cp.mProfileId);
->DataServiceManager.setupDataCall(dp)->...->RIL.setupDataCall(DataProfile dataProfile)
->// Convert to HAL data profile
DataProfileInfo dpi = convertToHalDataProfile(dataProfile);
->radioProxy.setupDataCall(rr.mSerial, dataRat, dpi,
dataProfile.isModemCognitive())
mRilDataRadioTechnology(getRilDataRadioTechnology):
ServiceStateTracker.EVENT_POLL_STATE_GPRS
->NetworkRegistrationState networkRegState = (NetworkRegistrationState) ar.result;
->int newDataRat = ServiceState.networkTypeToRilRadioTechnology(
networkRegState.getAccessNetworkTechnology());->mAccessNetworkTechnology
->ServiceState.setRilDataRadioTechnology(newDataRat)->this.mRilDataRadioTechnology = newDataRat;<-getRilDataRadioTechnology
NetworkRegistrationState.mAccessNetworkTechnology(from mCi):
CellularNetworkService.getNetworkRegistrationState->mPhone.mCi.getDataRegistrationState->GET_PS_REGISTRATION_STATE_DONE
->...->getRegistrationStateFromResult->createRegistrationStateFromDataRegState(Object result)
->if (result instanceof android.hardware.radio.V1_0.DataRegStateResult) {
->android.hardware.radio.V1_0.DataRegStateResult dataRegState =
(android.hardware.radio.V1_0.DataRegStateResult) result;
->int accessNetworkTechnology = getAccessNetworkTechnologyFromRat(dataRegState.rat);->ServiceState.rilRadioTechnologyToNetworkType(rilRat)
->return new NetworkRegistrationState(transportType, domain, regState,
accessNetworkTechnology, reasonForDenial, emergencyOnly, availableServices,
cellIdentity, maxDataCalls);->mAccessNetworkTechnology = accessNetworkTechnology;
->...(V1_2)
(ServiceStateTracker.pollState
->mRegStateManagers.get(AccessNetworkConstants.TransportType.WWAN)
.getNetworkRegistrationState(NetworkRegistrationState.DOMAIN_PS,
obtainMessage(EVENT_POLL_STATE_GPRS, mPollingContext));
private final SparseArray<NetworkRegistrationManager> mRegStateManagers = new SparseArray<>();
NetworkRegistrationManager)
ServiceState
public static int rilRadioTechnologyToNetworkType(@RilRadioTechnology int rt) {
switch(rt) {
case ServiceState.RIL_RADIO_TECHNOLOGY_GPRS:
return TelephonyManager.NETWORK_TYPE_GPRS;
case ServiceState.RIL_RADIO_TECHNOLOGY_EDGE:
return TelephonyManager.NETWORK_TYPE_EDGE;
case ServiceState.RIL_RADIO_TECHNOLOGY_UMTS:
return TelephonyManager.NETWORK_TYPE_UMTS;
case ServiceState.RIL_RADIO_TECHNOLOGY_HSDPA:
return TelephonyManager.NETWORK_TYPE_HSDPA;
case ServiceState.RIL_RADIO_TECHNOLOGY_HSUPA:
return TelephonyManager.NETWORK_TYPE_HSUPA;
case ServiceState.RIL_RADIO_TECHNOLOGY_HSPA:
return TelephonyManager.NETWORK_TYPE_HSPA;
case ServiceState.RIL_RADIO_TECHNOLOGY_IS95A:
case ServiceState.RIL_RADIO_TECHNOLOGY_IS95B:
return TelephonyManager.NETWORK_TYPE_CDMA;
case ServiceState.RIL_RADIO_TECHNOLOGY_1xRTT:
return TelephonyManager.NETWORK_TYPE_1xRTT;
case ServiceState.RIL_RADIO_TECHNOLOGY_EVDO_0:
return TelephonyManager.NETWORK_TYPE_EVDO_0;
case ServiceState.RIL_RADIO_TECHNOLOGY_EVDO_A:
return TelephonyManager.NETWORK_TYPE_EVDO_A;
case ServiceState.RIL_RADIO_TECHNOLOGY_EVDO_B:
return TelephonyManager.NETWORK_TYPE_EVDO_B;
case ServiceState.RIL_RADIO_TECHNOLOGY_EHRPD:
return TelephonyManager.NETWORK_TYPE_EHRPD;
case ServiceState.RIL_RADIO_TECHNOLOGY_LTE:
return TelephonyManager.NETWORK_TYPE_LTE;
case ServiceState.RIL_RADIO_TECHNOLOGY_HSPAP:
return TelephonyManager.NETWORK_TYPE_HSPAP;
case ServiceState.RIL_RADIO_TECHNOLOGY_GSM:
return TelephonyManager.NETWORK_TYPE_GSM;
case ServiceState.RIL_RADIO_TECHNOLOGY_TD_SCDMA:
return TelephonyManager.NETWORK_TYPE_TD_SCDMA;
case ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN:
return TelephonyManager.NETWORK_TYPE_IWLAN;
case ServiceState.RIL_RADIO_TECHNOLOGY_LTE_CA:
return TelephonyManager.NETWORK_TYPE_LTE_CA;
default:
return TelephonyManager.NETWORK_TYPE_UNKNOWN;
}
}