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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.net.mdns.aidl;
import android.net.mdns.aidl.DiscoveryInfo;
import android.net.mdns.aidl.GetAddressInfo;
import android.net.mdns.aidl.IMDnsEventListener;
import android.net.mdns.aidl.RegistrationInfo;
import android.net.mdns.aidl.ResolutionInfo;
/** {@hide} */
interface IMDns {
/**
* Start the MDNSResponder daemon.
*
* @throws ServiceSpecificException with unix errno EALREADY if daemon is already running.
*/
void startDaemon();
/**
* Stop the MDNSResponder daemon.
*
* @throws ServiceSpecificException with unix errno EBUSY if daemon is still in use.
*/
void stopDaemon();
/**
* Start registering a service.
* This operation will send a service registration request to MDNSResponder. Register a listener
* via IMDns#registerEventListener to get the registration result SERVICE_REGISTERED/
* SERVICE_REGISTRATION_FAILED from callback IMDnsEventListener#onServiceRegistrationStatus.
*
* @param info The service information to register.
*
* @throws ServiceSpecificException with one of the following error values:
* - Unix errno EBUSY if request id is already in use.
* - kDNSServiceErr_* list in dns_sd.h if registration fail.
*/
void registerService(in RegistrationInfo info);
/**
* Start discovering services.
* This operation will send a request to MDNSResponder to discover services. Register a listener
* via IMDns#registerEventListener to get the discovery result SERVICE_FOUND/SERVICE_LOST/
* SERVICE_DISCOVERY_FAILED from callback IMDnsEventListener#onServiceDiscoveryStatus.
*
* @param info The service to discover.
*
* @throws ServiceSpecificException with one of the following error values:
* - Unix errno EBUSY if request id is already in use.
* - kDNSServiceErr_* list in dns_sd.h if discovery fail.
*/
void discover(in DiscoveryInfo info);
/**
* Start resolving the target service.
* This operation will send a request to MDNSResponder to resolve the target service. Register a
* listener via IMDns#registerEventListener to get the resolution result SERVICE_RESOLVED/
* SERVICE_RESOLUTION_FAILED from callback IMDnsEventListener#onServiceResolutionStatus.
*
* @param info The service to resolve.
*
* @throws ServiceSpecificException with one of the following error values:
* - Unix errno EBUSY if request id is already in use.
* - kDNSServiceErr_* list in dns_sd.h if resolution fail.
*/
void resolve(in ResolutionInfo info);
/**
* Start getting the target service address.
* This operation will send a request to MDNSResponder to get the target service address.
* Register a listener via IMDns#registerEventListener to get the query result
* SERVICE_GET_ADDR_SUCCESS/SERVICE_GET_ADDR_FAILED from callback
* IMDnsEventListener#onGettingServiceAddressStatus.
*
* @param info the getting service address information.
*
* @throws ServiceSpecificException with one of the following error values:
* - Unix errno EBUSY if request id is already in use.
* - kDNSServiceErr_* list in dns_sd.h if getting address fail.
*/
void getServiceAddress(in GetAddressInfo info);
/**
* Stop a operation which's requested before.
*
* @param id the operation id to be stopped.
*
* @throws ServiceSpecificException with unix errno ESRCH if request id is not in use.
*/
void stopOperation(int id);
/**
* Register an event listener.
*
* @param listener The listener to be registered.
*
* @throws ServiceSpecificException with one of the following error values:
* - Unix errno EINVAL if listener is null.
* - Unix errno EEXIST if register duplicated listener.
*/
void registerEventListener(in IMDnsEventListener listener);
/**
* Unregister an event listener.
*
* @param listener The listener to be unregistered.
*
* @throws ServiceSpecificException with unix errno EINVAL if listener is null.
*/
void unregisterEventListener(in IMDnsEventListener listener);
}
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