Load ncm regexs config to tetherableUsbRegexs if isUsingNcm=true
If config_tether_ncm_regexs is configured, load it to
tetherableUsbRegexs if ncm is used for TETHERING_USB. Load it to
tetherableNcmRegexs if ncm is used for TETHERING_NCM.
Bug: 185649441
Test: atest TetheringTests
Original-Change: https://android-review.googlesource.com/1755176
Merged-In: I0c542560bd04e8c0a6a78d632da5a00a34d9a3fa
Change-Id: I0c542560bd04e8c0a6a78d632da5a00a34d9a3fa
diff --git a/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java b/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
index d2f44d3..b6240c4 100644
--- a/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
+++ b/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
@@ -170,8 +170,16 @@
mUsbTetheringFunction = getUsbTetheringFunction(res);
- tetherableUsbRegexs = getResourceStringArray(res, R.array.config_tether_usb_regexs);
- tetherableNcmRegexs = getResourceStringArray(res, R.array.config_tether_ncm_regexs);
+ final String[] ncmRegexs = getResourceStringArray(res, R.array.config_tether_ncm_regexs);
+ // If usb tethering use NCM and config_tether_ncm_regexs is not empty, use
+ // config_tether_ncm_regexs for tetherableUsbRegexs.
+ if (isUsingNcm() && (ncmRegexs.length != 0)) {
+ tetherableUsbRegexs = ncmRegexs;
+ tetherableNcmRegexs = EMPTY_STRING_ARRAY;
+ } else {
+ tetherableUsbRegexs = getResourceStringArray(res, R.array.config_tether_usb_regexs);
+ tetherableNcmRegexs = ncmRegexs;
+ }
// TODO: Evaluate deleting this altogether now that Wi-Fi always passes
// us an interface name. Careful consideration needs to be given to
// implications for Settings and for provisioning checks.
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
index 0f940d8..c0c2ab9 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
@@ -30,6 +30,7 @@
import static com.android.networkstack.tethering.TetheringConfiguration.TETHER_USB_NCM_FUNCTION;
import static com.android.networkstack.tethering.TetheringConfiguration.TETHER_USB_RNDIS_FUNCTION;
+import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@@ -600,4 +601,48 @@
private void setTetherForceUsbFunctions(final int value) {
setTetherForceUsbFunctions(Integer.toString(value));
}
+
+ @Test
+ public void testNcmRegexs() throws Exception {
+ final String[] rndisRegexs = {"test_rndis\\d"};
+ final String[] ncmRegexs = {"test_ncm\\d"};
+ final String[] rndisNcmRegexs = {"test_rndis\\d", "test_ncm\\d"};
+
+ // cfg.isUsingNcm = false.
+ when(mResources.getInteger(R.integer.config_tether_usb_functions)).thenReturn(
+ TETHER_USB_RNDIS_FUNCTION);
+ setUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ assertUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+
+ setUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+ assertUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+
+ // cfg.isUsingNcm = true.
+ when(mResources.getInteger(R.integer.config_tether_usb_functions)).thenReturn(
+ TETHER_USB_NCM_FUNCTION);
+ setUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ assertUsbAndNcmRegexs(ncmRegexs, new String[0]);
+
+ setUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+ assertUsbAndNcmRegexs(rndisNcmRegexs, new String[0]);
+
+ // Check USB regex is not overwritten by the NCM regex after force to use rndis from
+ // Settings.
+ setUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ setTetherForceUsbFunctions(TETHER_USB_RNDIS_FUNCTION);
+ assertUsbAndNcmRegexs(rndisRegexs, ncmRegexs);
+ }
+
+ private void setUsbAndNcmRegexs(final String[] usbRegexs, final String[] ncmRegexs) {
+ when(mResources.getStringArray(R.array.config_tether_usb_regexs)).thenReturn(usbRegexs);
+ when(mResources.getStringArray(R.array.config_tether_ncm_regexs)).thenReturn(ncmRegexs);
+ }
+
+ private void assertUsbAndNcmRegexs(final String[] usbRegexs, final String[] ncmRegexs) {
+ final TetheringConfiguration cfg =
+ new TetheringConfiguration(mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
+ assertArrayEquals(usbRegexs, cfg.tetherableUsbRegexs);
+ assertArrayEquals(ncmRegexs, cfg.tetherableNcmRegexs);
+ }
+
}
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
index 5aebca0..f999dfa 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
@@ -2665,12 +2665,6 @@
forceUsbTetheringUse(TETHER_USB_NCM_FUNCTION);
verifyUsbTetheringStopDueToSettingChange(TEST_NCM_IFNAME);
- // TODO: move this into setup after allowing configure TEST_NCM_REGEX into
- // config_tether_usb_regexs and config_tether_ncm_regexs at the same time.
- when(mResources.getStringArray(R.array.config_tether_usb_regexs))
- .thenReturn(new String[] {TEST_RNDIS_REGEX, TEST_NCM_REGEX});
- sendConfigurationChanged();
-
// If TETHERING_USB is forced to use ncm function, TETHERING_NCM would no longer be
// available.
final ResultListener ncmResult = new ResultListener(TETHER_ERROR_SERVICE_UNAVAIL);