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Commit 65530b75 authored by Nathan Harold's avatar Nathan Harold Committed by Gerrit Code Review
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Merge "Remove Kernel Command Line Support for CDMA Config"

parents 1b87c970 c7ecbd8f
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+2 −84
Original line number Diff line number Diff line
@@ -110,8 +110,6 @@ import com.android.internal.telephony.RILConstants;
import com.android.internal.telephony.SmsApplication;
import com.android.telephony.Rlog;

import java.io.FileInputStream;
import java.io.IOException;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
@@ -124,8 +122,6 @@ import java.util.Objects;
import java.util.UUID;
import java.util.concurrent.Executor;
import java.util.function.Consumer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Provides access to information about the telephony services on
@@ -2388,7 +2384,8 @@ public class TelephonyManager {
            return PhoneConstants.PHONE_TYPE_CDMA;

        case RILConstants.NETWORK_MODE_LTE_ONLY:
            if (getLteOnCdmaModeStatic() == PhoneConstants.LTE_ON_CDMA_TRUE) {
            if (TelephonyProperties.lte_on_cdma_device().orElse(
                    PhoneConstants.LTE_ON_CDMA_FALSE) == PhoneConstants.LTE_ON_CDMA_TRUE) {
                return PhoneConstants.PHONE_TYPE_CDMA;
            } else {
                return PhoneConstants.PHONE_TYPE_GSM;
@@ -2398,35 +2395,6 @@ public class TelephonyManager {
        }
    }

    /**
     * The contents of the /proc/cmdline file
     */
    @UnsupportedAppUsage
    private static String getProcCmdLine()
    {
        String cmdline = "";
        FileInputStream is = null;
        try {
            is = new FileInputStream("/proc/cmdline");
            byte [] buffer = new byte[2048];
            int count = is.read(buffer);
            if (count > 0) {
                cmdline = new String(buffer, 0, count);
            }
        } catch (IOException e) {
            Rlog.d(TAG, "No /proc/cmdline exception=" + e);
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                }
            }
        }
        Rlog.d(TAG, "/proc/cmdline=" + cmdline);
        return cmdline;
    }

    /**
     * @return The max value for the timeout passed in {@link #requestNumberVerification}.
     * @hide
@@ -2436,56 +2404,6 @@ public class TelephonyManager {
        return MAX_NUMBER_VERIFICATION_TIMEOUT_MILLIS;
    }

    /** Kernel command line */
    private static final String sKernelCmdLine = getProcCmdLine();

    /** Pattern for selecting the product type from the kernel command line */
    private static final Pattern sProductTypePattern =
        Pattern.compile("\\sproduct_type\\s*=\\s*(\\w+)");

    /** The ProductType used for LTE on CDMA devices */
    private static final String sLteOnCdmaProductType =
            TelephonyProperties.lte_on_cdma_product_type().orElse("");

    /**
     * Return if the current radio is LTE on CDMA. This
     * is a tri-state return value as for a period of time
     * the mode may be unknown.
     *
     * @return {@link PhoneConstants#LTE_ON_CDMA_UNKNOWN}, {@link PhoneConstants#LTE_ON_CDMA_FALSE}
     * or {@link PhoneConstants#LTE_ON_CDMA_TRUE}
     *
     * @hide
     */
    @UnsupportedAppUsage
    public static int getLteOnCdmaModeStatic() {
        int retVal;
        int curVal;
        String productType = "";

        curVal = TelephonyProperties.lte_on_cdma_device().orElse(
            PhoneConstants.LTE_ON_CDMA_UNKNOWN);
        retVal = curVal;
        if (retVal == PhoneConstants.LTE_ON_CDMA_UNKNOWN) {
            Matcher matcher = sProductTypePattern.matcher(sKernelCmdLine);
            if (matcher.find()) {
                productType = matcher.group(1);
                if (sLteOnCdmaProductType.equals(productType)) {
                    retVal = PhoneConstants.LTE_ON_CDMA_TRUE;
                } else {
                    retVal = PhoneConstants.LTE_ON_CDMA_FALSE;
                }
            } else {
                retVal = PhoneConstants.LTE_ON_CDMA_FALSE;
            }
        }

        Rlog.d(TAG, "getLteOnCdmaMode=" + retVal + " curVal=" + curVal +
                " product_type='" + productType +
                "' lteOnCdmaProductType='" + sLteOnCdmaProductType + "'");
        return retVal;
    }

    //
    //
    // Current Network