Revert "Add DhcpLeaseCallbacks"

This reverts commit dc018dd943f0c11e0b9172dee0db0966871af20d.

Reason for revert: crashes tethering: b/149458372

Bug: 149458372
Change-Id: I1fad8528443d8cc133f719aad042cb22d3a8e2a0

3 files changed, 3 insertions, 70 deletions

diff --git a/common/networkstackclient/src/android/net/dhcp/DhcpLeaseParcelable.aidl b/common/networkstackclient/src/android/net/dhcp/DhcpLeaseParcelable.aidl
deleted file mode 100644
index ba3390d..0000000
--- a/common/networkstackclient/src/android/net/dhcp/DhcpLeaseParcelable.aidl
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * Copyright (c) 2020, 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 perNmissions and
- * limitations under the License.
- */
-
-package android.net.dhcp;
-
-parcelable DhcpLeaseParcelable {
-    // Client ID of the lease; may be null.
-    byte[] clientId;
-    // MAC address provided by the client.
-    byte[] hwAddr;
-    // IPv4 address of the lease, in network byte order.
-    int netAddr;
-    // Prefix length of the lease (0-32)
-    int prefixLength;
-    // Expiration time of the lease, to compare with SystemClock.elapsedRealtime().
-    long expTime;
-    // Hostname provided by the client, if any, or null.
-    String hostname;
-}
\ No newline at end of file
diff --git a/common/networkstackclient/src/android/net/dhcp/IDhcpLeaseCallbacks.aidl b/common/networkstackclient/src/android/net/dhcp/IDhcpLeaseCallbacks.aidl
deleted file mode 100644
index cf2dfa8..0000000
--- a/common/networkstackclient/src/android/net/dhcp/IDhcpLeaseCallbacks.aidl
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * Copyright (c) 2020, 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 perNmissions and
- * limitations under the License.
- */
-
-package android.net.dhcp;
-
-import android.net.dhcp.DhcpLeaseParcelable;
-
-oneway interface IDhcpLeaseCallbacks {
-    /**
-     * Called when a lease is committed or released on the DHCP server.
-     *
-     * <p>This only reports lease changes after assigning a lease, or after releasing a lease
-     * following a DHCPRELEASE: this callback will not be fired when a lease just expires.
-     * @param newLeases The new list of leases tracked by the server.
-     */
-    void onLeasesChanged(in List<DhcpLeaseParcelable> newLeases);
-}
\ No newline at end of file
diff --git a/common/networkstackclient/src/android/net/dhcp/IDhcpServer.aidl b/common/networkstackclient/src/android/net/dhcp/IDhcpServer.aidl
index dd93174..559433b 100644
--- a/common/networkstackclient/src/android/net/dhcp/IDhcpServer.aidl
+++ b/common/networkstackclient/src/android/net/dhcp/IDhcpServer.aidl
@@ -18,7 +18,6 @@ package android.net.dhcp;
 
 import android.net.INetworkStackStatusCallback;
 import android.net.dhcp.DhcpServingParamsParcel;
-import android.net.dhcp.IDhcpLeaseCallbacks;
 
 /** @hide */
 oneway interface IDhcpServer {
@@ -27,11 +26,7 @@ oneway interface IDhcpServer {
     const int STATUS_INVALID_ARGUMENT = 2;
     const int STATUS_UNKNOWN_ERROR = 3;
 
-    void start(in INetworkStackStatusCallback cb) = 0;
-    void startWithCallbacks(in INetworkStackStatusCallback statusCb,
-        in IDhcpLeaseCallbacks leaseCb) = 3;
-    void updateParams(in DhcpServingParamsParcel params, in INetworkStackStatusCallback cb) = 1;
-    void stop(in INetworkStackStatusCallback cb) = 2;
-
-    // Next available ID: 4
+    void start(in INetworkStackStatusCallback cb);
+    void updateParams(in DhcpServingParamsParcel params, in INetworkStackStatusCallback cb);
+    void stop(in INetworkStackStatusCallback cb);
 }