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Merge "NsdService: disentangle NativeDaemonConnector from ctor" am: fa97f11b20 am: 47748b754c

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am: 5d0bd13538

Change-Id: Ic8ddf92c7c64d4214a75bea6d6e5083f4612a76a
This commit is contained in:
Hugo Benichi
2017-04-27 13:06:59 +00:00
committed by android-build-merger
parent 9fc7343cfb 6d70644998
commit f659a6775f
1 changed files with 81 additions and 106 deletions
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179
services/core/java/com/android/server/NsdService.java
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@@ -39,6 +39,7 @@ import android.util.SparseArray;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.util.Arrays;
import java.util.HashMap;
import java.util.concurrent.CountDownLatch;
@@ -65,8 +66,8 @@ public class NsdService extends INsdManager.Stub {
private final Context mContext;
private final NsdSettings mNsdSettings;
private final NsdStateMachine mNsdStateMachine;
private final NativeDaemonConnector mNativeConnector;
private final CountDownLatch mNativeDaemonConnected = new CountDownLatch(1);
private final DaemonConnection mDaemon;
private final NativeCallbackReceiver mDaemonCallback;
/**
* Clients receiving asynchronous messages
@@ -546,18 +547,13 @@ public class NsdService extends INsdManager.Stub {
}
@VisibleForTesting
NsdService(Context ctx, NsdSettings settings, Handler handler) {
NsdService(Context ctx, NsdSettings settings, Handler handler, DaemonConnectionSupplier fn) {
mContext = ctx;
mNsdSettings = settings;
NativeCallbackReceiver callback = new NativeCallbackReceiver();
mNativeConnector = new NativeDaemonConnector(callback, "mdns", 10, MDNS_TAG, 25, null);
mNsdStateMachine = new NsdStateMachine(TAG, handler);
mNsdStateMachine.start();
Thread th = new Thread(mNativeConnector, MDNS_TAG);
th.start();
mDaemonCallback = new NativeCallbackReceiver();
mDaemon = fn.get(mDaemonCallback);
}
public static NsdService create(Context context) throws InterruptedException {
@@ -565,8 +561,8 @@ public class NsdService extends INsdManager.Stub {
HandlerThread thread = new HandlerThread(TAG);
thread.start();
Handler handler = new Handler(thread.getLooper());
NsdService service = new NsdService(context, settings, handler);
service.mNativeDaemonConnected.await();
NsdService service = new NsdService(context, settings, handler, DaemonConnection::new);
service.mDaemonCallback.awaitConnection();
return service;
}
@@ -665,14 +661,23 @@ public class NsdService extends INsdManager.Stub {
}
class NativeCallbackReceiver implements INativeDaemonConnectorCallbacks {
public void onDaemonConnected() {
mNativeDaemonConnected.countDown();
private final CountDownLatch connected = new CountDownLatch(1);
public void awaitConnection() throws InterruptedException {
connected.await();
}
@Override
public void onDaemonConnected() {
connected.countDown();
}
@Override
public boolean onCheckHoldWakeLock(int code) {
return false;
}
@Override
public boolean onEvent(int code, String raw, String[] cooked) {
// TODO: NDC translates a message to a callback, we could enhance NDC to
// directly interact with a state machine through messages
@@ -682,132 +687,102 @@ public class NsdService extends INsdManager.Stub {
}
}
private boolean startMDnsDaemon() {
if (DBG) Slog.d(TAG, "startMDnsDaemon");
interface DaemonConnectionSupplier {
DaemonConnection get(NativeCallbackReceiver callback);
}
@VisibleForTesting
public static class DaemonConnection {
final NativeDaemonConnector mNativeConnector;
DaemonConnection(NativeCallbackReceiver callback) {
mNativeConnector = new NativeDaemonConnector(callback, "mdns", 10, MDNS_TAG, 25, null);
new Thread(mNativeConnector, MDNS_TAG).start();
}
public boolean execute(Object... args) {
if (DBG) {
Slog.d(TAG, "mdnssd " + Arrays.toString(args));
}
try {
mNativeConnector.execute("mdnssd", "start-service");
mNativeConnector.execute("mdnssd", args);
} catch (NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to start daemon" + e);
Slog.e(TAG, "Failed to execute mdnssd " + Arrays.toString(args), e);
return false;
}
return true;
}
public boolean execute(Command cmd) {
if (DBG) {
Slog.d(TAG, cmd.toString());
}
try {
mNativeConnector.execute(cmd);
} catch (NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to execute " + cmd, e);
return false;
}
return true;
}
}
private boolean startMDnsDaemon() {
return mDaemon.execute("start-service");
}
private boolean stopMDnsDaemon() {
if (DBG) Slog.d(TAG, "stopMDnsDaemon");
try {
mNativeConnector.execute("mdnssd", "stop-service");
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to start daemon" + e);
return false;
}
return true;
return mDaemon.execute("stop-service");
}
private boolean registerService(int regId, NsdServiceInfo service) {
if (DBG) Slog.d(TAG, "registerService: " + regId + " " + service);
try {
Command cmd = new Command("mdnssd", "register", regId, service.getServiceName(),
service.getServiceType(), service.getPort(),
Base64.encodeToString(service.getTxtRecord(), Base64.DEFAULT)
.replace("\n", ""));
mNativeConnector.execute(cmd);
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to execute registerService " + e);
return false;
if (DBG) {
Slog.d(TAG, "registerService: " + regId + " " + service);
}
return true;
String name = service.getServiceName();
String type = service.getServiceType();
int port = service.getPort();
byte[] textRecord = service.getTxtRecord();
String record = Base64.encodeToString(textRecord, Base64.DEFAULT).replace("\n", "");
Command cmd = new Command("mdnssd", "register", regId, name, type, port, record);
return mDaemon.execute(cmd);
}
private boolean unregisterService(int regId) {
if (DBG) Slog.d(TAG, "unregisterService: " + regId);
try {
mNativeConnector.execute("mdnssd", "stop-register", regId);
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to execute unregisterService " + e);
return false;
}
return true;
return mDaemon.execute("stop-register", regId);
}
private boolean updateService(int regId, DnsSdTxtRecord t) {
if (DBG) Slog.d(TAG, "updateService: " + regId + " " + t);
try {
if (t == null) return false;
mNativeConnector.execute("mdnssd", "update", regId, t.size(), t.getRawData());
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to updateServices " + e);
if (t == null) {
return false;
}
return true;
return mDaemon.execute("update", regId, t.size(), t.getRawData());
}
private boolean discoverServices(int discoveryId, String serviceType) {
if (DBG) Slog.d(TAG, "discoverServices: " + discoveryId + " " + serviceType);
try {
mNativeConnector.execute("mdnssd", "discover", discoveryId, serviceType);
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to discoverServices " + e);
return false;
}
return true;
return mDaemon.execute("discover", discoveryId, serviceType);
}
private boolean stopServiceDiscovery(int discoveryId) {
if (DBG) Slog.d(TAG, "stopServiceDiscovery: " + discoveryId);
try {
mNativeConnector.execute("mdnssd", "stop-discover", discoveryId);
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to stopServiceDiscovery " + e);
return false;
}
return true;
return mDaemon.execute("stop-discover", discoveryId);
}
private boolean resolveService(int resolveId, NsdServiceInfo service) {
if (DBG) Slog.d(TAG, "resolveService: " + resolveId + " " + service);
try {
mNativeConnector.execute("mdnssd", "resolve", resolveId, service.getServiceName(),
service.getServiceType(), "local.");
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to resolveService " + e);
return false;
}
return true;
String name = service.getServiceName();
String type = service.getServiceType();
return mDaemon.execute("resolve", resolveId, name, type, "local.");
}
private boolean stopResolveService(int resolveId) {
if (DBG) Slog.d(TAG, "stopResolveService: " + resolveId);
try {
mNativeConnector.execute("mdnssd", "stop-resolve", resolveId);
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to stop resolve " + e);
return false;
}
return true;
return mDaemon.execute("stop-resolve", resolveId);
}
private boolean getAddrInfo(int resolveId, String hostname) {
if (DBG) Slog.d(TAG, "getAdddrInfo: " + resolveId);
try {
mNativeConnector.execute("mdnssd", "getaddrinfo", resolveId, hostname);
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to getAddrInfo " + e);
return false;
}
return true;
return mDaemon.execute("getaddrinfo", resolveId, hostname);
}
private boolean stopGetAddrInfo(int resolveId) {
if (DBG) Slog.d(TAG, "stopGetAdddrInfo: " + resolveId);
try {
mNativeConnector.execute("mdnssd", "stop-getaddrinfo", resolveId);
} catch(NativeDaemonConnectorException e) {
Slog.e(TAG, "Failed to stopGetAddrInfo " + e);
return false;
}
return true;
return mDaemon.execute("stop-getaddrinfo", resolveId);
}
@Override