Merge "gn2bp: Remove unnecessary hack"
diff --git a/tests/cts/net/src/android/net/cts/NsdManagerTest.kt b/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
index d598830..2b5c305 100644
--- a/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
+++ b/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
@@ -88,9 +88,13 @@
 import kotlin.test.fail
 
 private const val TAG = "NsdManagerTest"
-private const val SERVICE_TYPE = "_nmt._tcp"
 private const val TIMEOUT_MS = 2000L
 private const val NO_CALLBACK_TIMEOUT_MS = 200L
+// Registration may take a long time if there are devices with the same hostname on the network,
+// as the device needs to try another name and probe again. This is especially true since when using
+// mdnsresponder the usual hostname is "Android", and on conflict "Android-2", "Android-3", ... are
+// tried sequentially
+private const val REGISTRATION_TIMEOUT_MS = 10_000L
 private const val DBG = false
 
 private val nsdShim = NsdShimImpl.newInstance()
@@ -107,6 +111,7 @@
 
     private val cm by lazy { context.getSystemService(ConnectivityManager::class.java) }
     private val serviceName = "NsdTest%09d".format(Random().nextInt(1_000_000_000))
+    private val serviceType = "_nmt%09d._tcp".format(Random().nextInt(1_000_000_000))
     private val handlerThread = HandlerThread(NsdManagerTest::class.java.simpleName)
 
     private lateinit var testNetwork1: TestTapNetwork
@@ -143,13 +148,14 @@
         }
 
         inline fun <reified V : NsdEvent> expectCallbackEventually(
+            timeoutMs: Long = TIMEOUT_MS,
             crossinline predicate: (V) -> Boolean = { true }
-        ): V = nextEvents.poll(TIMEOUT_MS) { e -> e is V && predicate(e) } as V?
-                ?: fail("Callback for ${V::class.java.simpleName} not seen after $TIMEOUT_MS ms")
+        ): V = nextEvents.poll(timeoutMs) { e -> e is V && predicate(e) } as V?
+                ?: fail("Callback for ${V::class.java.simpleName} not seen after $timeoutMs ms")
 
-        inline fun <reified V : NsdEvent> expectCallback(): V {
-            val nextEvent = nextEvents.poll(TIMEOUT_MS)
-            assertNotNull(nextEvent, "No callback received after $TIMEOUT_MS ms")
+        inline fun <reified V : NsdEvent> expectCallback(timeoutMs: Long = TIMEOUT_MS): V {
+            val nextEvent = nextEvents.poll(timeoutMs)
+            assertNotNull(nextEvent, "No callback received after $timeoutMs ms")
             assertTrue(nextEvent is V, "Expected ${V::class.java.simpleName} but got " +
                     nextEvent.javaClass.simpleName)
             return nextEvent
@@ -328,7 +334,7 @@
     @Test
     fun testNsdManager() {
         val si = NsdServiceInfo()
-        si.serviceType = SERVICE_TYPE
+        si.serviceType = serviceType
         si.serviceName = serviceName
         // Test binary data with various bytes
         val testByteArray = byteArrayOf(-128, 127, 2, 1, 0, 1, 2)
@@ -373,11 +379,12 @@
         val registrationRecord = NsdRegistrationRecord()
         // Test registering without an Executor
         nsdManager.registerService(si, NsdManager.PROTOCOL_DNS_SD, registrationRecord)
-        val registeredInfo = registrationRecord.expectCallback<ServiceRegistered>().serviceInfo
+        val registeredInfo = registrationRecord.expectCallback<ServiceRegistered>(
+                REGISTRATION_TIMEOUT_MS).serviceInfo
 
         val discoveryRecord = NsdDiscoveryRecord()
         // Test discovering without an Executor
-        nsdManager.discoverServices(SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD, discoveryRecord)
+        nsdManager.discoverServices(serviceType, NsdManager.PROTOCOL_DNS_SD, discoveryRecord)
 
         // Expect discovery started
         discoveryRecord.expectCallback<DiscoveryStarted>()
@@ -417,12 +424,13 @@
 
         // Register service again to see if NsdManager can discover it
         val si2 = NsdServiceInfo()
-        si2.serviceType = SERVICE_TYPE
+        si2.serviceType = serviceType
         si2.serviceName = serviceName
         si2.port = localPort
         val registrationRecord2 = NsdRegistrationRecord()
         nsdManager.registerService(si2, NsdManager.PROTOCOL_DNS_SD, registrationRecord2)
-        val registeredInfo2 = registrationRecord2.expectCallback<ServiceRegistered>().serviceInfo
+        val registeredInfo2 = registrationRecord2.expectCallback<ServiceRegistered>(
+                REGISTRATION_TIMEOUT_MS).serviceInfo
 
         // Expect a service record to be discovered (and filter the ones
         // that are unrelated to this test)
@@ -450,7 +458,7 @@
         assumeTrue(TestUtils.shouldTestTApis())
 
         val si = NsdServiceInfo()
-        si.serviceType = SERVICE_TYPE
+        si.serviceType = serviceType
         si.serviceName = this.serviceName
         si.port = 12345 // Test won't try to connect so port does not matter
 
@@ -459,7 +467,7 @@
 
         tryTest {
             val discoveryRecord = NsdDiscoveryRecord()
-            nsdShim.discoverServices(nsdManager, SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD,
+            nsdShim.discoverServices(nsdManager, serviceType, NsdManager.PROTOCOL_DNS_SD,
                     testNetwork1.network, Executor { it.run() }, discoveryRecord)
 
             val foundInfo = discoveryRecord.waitForServiceDiscovered(
@@ -484,7 +492,7 @@
         assumeTrue(TestUtils.shouldTestTApis())
 
         val si = NsdServiceInfo()
-        si.serviceType = SERVICE_TYPE
+        si.serviceType = serviceType
         si.serviceName = this.serviceName
         si.port = 12345 // Test won't try to connect so port does not matter
 
@@ -497,7 +505,7 @@
 
         tryTest {
             val specifier = TestNetworkSpecifier(testNetwork1.iface.interfaceName)
-            nsdShim.discoverServices(nsdManager, SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD,
+            nsdShim.discoverServices(nsdManager, serviceType, NsdManager.PROTOCOL_DNS_SD,
                     NetworkRequest.Builder()
                             .removeCapability(NET_CAPABILITY_TRUSTED)
                             .addTransportType(TRANSPORT_TEST)
@@ -506,7 +514,7 @@
                     executor, discoveryRecord)
 
             val discoveryStarted = discoveryRecord.expectCallback<DiscoveryStarted>()
-            assertEquals(SERVICE_TYPE, discoveryStarted.serviceType)
+            assertEquals(serviceType, discoveryStarted.serviceType)
 
             val serviceDiscovered = discoveryRecord.expectCallback<ServiceFound>()
             assertEquals(registeredInfo1.serviceName, serviceDiscovered.serviceInfo.serviceName)
@@ -552,7 +560,7 @@
         assumeTrue(TestUtils.shouldTestTApis())
 
         val si = NsdServiceInfo()
-        si.serviceType = SERVICE_TYPE
+        si.serviceType = serviceType
         si.serviceName = this.serviceName
         si.port = 12345 // Test won't try to connect so port does not matter
 
@@ -563,7 +571,7 @@
         val specifier = TestNetworkSpecifier(testNetwork1.iface.interfaceName)
 
         tryTest {
-            nsdShim.discoverServices(nsdManager, SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD,
+            nsdShim.discoverServices(nsdManager, serviceType, NsdManager.PROTOCOL_DNS_SD,
                     NetworkRequest.Builder()
                             .removeCapability(NET_CAPABILITY_TRUSTED)
                             .addTransportType(TRANSPORT_TEST)
@@ -585,7 +593,7 @@
         assumeTrue(TestUtils.shouldTestTApis())
 
         val si = NsdServiceInfo()
-        si.serviceType = SERVICE_TYPE
+        si.serviceType = serviceType
         si.serviceName = this.serviceName
         si.port = 12345 // Test won't try to connect so port does not matter
 
@@ -595,7 +603,7 @@
             val resolveRecord = NsdResolveRecord()
 
             val discoveryRecord = NsdDiscoveryRecord()
-            nsdManager.discoverServices(SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD, discoveryRecord)
+            nsdManager.discoverServices(serviceType, NsdManager.PROTOCOL_DNS_SD, discoveryRecord)
 
             val foundInfo1 = discoveryRecord.waitForServiceDiscovered(
                     serviceName, testNetwork1.network)
@@ -610,7 +618,7 @@
             val cb = resolveRecord.expectCallback<ServiceResolved>()
             cb.serviceInfo.let {
                 // Resolved service type has leading dot
-                assertEquals(".$SERVICE_TYPE", it.serviceType)
+                assertEquals(".$serviceType", it.serviceType)
                 assertEquals(registeredInfo.serviceName, it.serviceName)
                 assertEquals(si.port, it.port)
                 assertEquals(testNetwork1.network, nsdShim.getNetwork(it))
@@ -629,7 +637,7 @@
         assumeTrue(TestUtils.shouldTestTApis())
 
         val si = NsdServiceInfo()
-        si.serviceType = SERVICE_TYPE
+        si.serviceType = serviceType
         si.serviceName = this.serviceName
         si.network = testNetwork1.network
         si.port = 12345 // Test won't try to connect so port does not matter
@@ -643,7 +651,7 @@
 
         tryTest {
             // Discover service on testNetwork1.
-            nsdShim.discoverServices(nsdManager, SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD,
+            nsdShim.discoverServices(nsdManager, serviceType, NsdManager.PROTOCOL_DNS_SD,
                 testNetwork1.network, Executor { it.run() }, discoveryRecord)
             // Expect that service is found on testNetwork1
             val foundInfo = discoveryRecord.waitForServiceDiscovered(
@@ -651,14 +659,14 @@
             assertEquals(testNetwork1.network, nsdShim.getNetwork(foundInfo))
 
             // Discover service on testNetwork2.
-            nsdShim.discoverServices(nsdManager, SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD,
+            nsdShim.discoverServices(nsdManager, serviceType, NsdManager.PROTOCOL_DNS_SD,
                 testNetwork2.network, Executor { it.run() }, discoveryRecord2)
             // Expect that discovery is started then no other callbacks.
             discoveryRecord2.expectCallback<DiscoveryStarted>()
             discoveryRecord2.assertNoCallback()
 
             // Discover service on all networks (not specify any network).
-            nsdShim.discoverServices(nsdManager, SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD,
+            nsdShim.discoverServices(nsdManager, serviceType, NsdManager.PROTOCOL_DNS_SD,
                 null as Network? /* network */, Executor { it.run() }, discoveryRecord3)
             // Expect that service is found on testNetwork1
             val foundInfo3 = discoveryRecord3.waitForServiceDiscovered(
@@ -676,7 +684,7 @@
     fun testNsdManager_RegisterServiceNameWithNonStandardCharacters() {
         val serviceNames = "^Nsd.Test|Non-#AsCiI\\Characters&\\ufffe テスト 測試"
         val si = NsdServiceInfo().apply {
-            serviceType = SERVICE_TYPE
+            serviceType = this@NsdManagerTest.serviceType
             serviceName = serviceNames
             port = 12345 // Test won't try to connect so port does not matter
         }
@@ -684,13 +692,13 @@
         // Register the service name which contains non-standard characters.
         val registrationRecord = NsdRegistrationRecord()
         nsdManager.registerService(si, NsdManager.PROTOCOL_DNS_SD, registrationRecord)
-        registrationRecord.expectCallback<ServiceRegistered>()
+        registrationRecord.expectCallback<ServiceRegistered>(REGISTRATION_TIMEOUT_MS)
 
         tryTest {
             // Discover that service name.
             val discoveryRecord = NsdDiscoveryRecord()
             nsdManager.discoverServices(
-                SERVICE_TYPE, NsdManager.PROTOCOL_DNS_SD, discoveryRecord
+                serviceType, NsdManager.PROTOCOL_DNS_SD, discoveryRecord
             )
             val foundInfo = discoveryRecord.waitForServiceDiscovered(serviceNames)
 
@@ -742,7 +750,7 @@
         nsdShim.registerService(nsdManager, si, NsdManager.PROTOCOL_DNS_SD, executor, record)
         // We may not always get the name that we tried to register;
         // This events tells us the name that was registered.
-        val cb = record.expectCallback<ServiceRegistered>()
+        val cb = record.expectCallback<ServiceRegistered>(REGISTRATION_TIMEOUT_MS)
         return cb.serviceInfo
     }