LineageOS/android_packages_modules_Connectivity
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Implement service found callback

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Service found should be notified when receives the
onServiceNameDiscovered callbacks from
MdnsServiceBrowserListener.

Bug: 254166302
Test: atest FrameworksNetTests CtsNetTestCases
Change-Id: I3f41b4fe85cd85ad356fa764663187a88914412c
This commit is contained in:
Paul Hu
2023-01-13 23:26:49 +08:00
parent 23fa202478
commit 019621e070
3 changed files with 95 additions and 3 deletions
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67
service-t/src/com/android/server/NsdService.java
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@@ -17,6 +17,7 @@
package com.android.server;
import static android.net.ConnectivityManager.NETID_UNSET;
import static android.net.nsd.NsdManager.MDNS_DISCOVERY_MANAGER_EVENT;
import static android.net.nsd.NsdManager.MDNS_SERVICE_EVENT;
import static android.provider.DeviceConfig.NAMESPACE_CONNECTIVITY;
@@ -182,7 +183,9 @@ public class NsdService extends INsdManager.Stub {
@Override
public void onServiceNameDiscovered(@NonNull MdnsServiceInfo serviceInfo) {
// TODO: implement service name discovered callback.
mNsdStateMachine.sendMessage(MDNS_DISCOVERY_MANAGER_EVENT, mTransactionId,
NsdManager.SERVICE_FOUND,
new MdnsEvent(mClientId, mReqServiceInfo.getServiceType(), serviceInfo));
}
@Override
@@ -191,6 +194,24 @@ public class NsdService extends INsdManager.Stub {
}
}
/**
* Data class of mdns service callback information.
*/
private static class MdnsEvent {
final int mClientId;
@NonNull
final String mRequestedServiceType;
@NonNull
final MdnsServiceInfo mMdnsServiceInfo;
MdnsEvent(int clientId, @NonNull String requestedServiceType,
@NonNull MdnsServiceInfo mdnsServiceInfo) {
mClientId = clientId;
mRequestedServiceType = requestedServiceType;
mMdnsServiceInfo = mdnsServiceInfo;
}
}
private class NsdStateMachine extends StateMachine {
private final DefaultState mDefaultState = new DefaultState();
@@ -636,6 +657,11 @@ public class NsdService extends INsdManager.Stub {
return NOT_HANDLED;
}
break;
case MDNS_DISCOVERY_MANAGER_EVENT:
if (!handleMdnsDiscoveryManagerEvent(msg.arg1, msg.arg2, msg.obj)) {
return NOT_HANDLED;
}
break;
default:
return NOT_HANDLED;
}
@@ -798,6 +824,45 @@ public class NsdService extends INsdManager.Stub {
}
return true;
}
private NsdServiceInfo buildNsdServiceInfoFromMdnsEvent(final MdnsEvent event) {
final MdnsServiceInfo serviceInfo = event.mMdnsServiceInfo;
final String serviceType = event.mRequestedServiceType;
final String serviceName = serviceInfo.getServiceInstanceName();
final NsdServiceInfo servInfo = new NsdServiceInfo(serviceName, serviceType);
final Network network = serviceInfo.getNetwork();
setServiceNetworkForCallback(
servInfo,
network == null ? NETID_UNSET : network.netId,
serviceInfo.getInterfaceIndex());
return servInfo;
}
private boolean handleMdnsDiscoveryManagerEvent(
int transactionId, int code, Object obj) {
final ClientInfo clientInfo = mIdToClientInfoMap.get(transactionId);
if (clientInfo == null) {
Log.e(TAG, String.format(
"id %d for %d has no client mapping", transactionId, code));
return false;
}
final MdnsEvent event = (MdnsEvent) obj;
final int clientId = event.mClientId;
if (DBG) {
Log.d(TAG, String.format("MdnsDiscoveryManager event code=%s transactionId=%d",
NsdManager.nameOf(code), transactionId));
}
switch (code) {
case NsdManager.SERVICE_FOUND:
clientInfo.onServiceFound(
clientId, buildNsdServiceInfoFromMdnsEvent(event));
break;
default:
return false;
}
return true;
}
}
}