recovery: Implement a volume manager

This is a copy of the pre-binderized vold which has been converted to
use direct calls instead of sockets and stripped down to only what is
needed to support recovery.

Change-Id: Ic82d929e052b5ba70ecf7b475e0a223d77d9687e
diff --git a/volume_manager/ResponseCode.h b/volume_manager/ResponseCode.h
new file mode 100644
index 0000000..47b1401
--- /dev/null
+++ b/volume_manager/ResponseCode.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * Copyright (C) 2019 The LineageOS 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.
+ */
+
+#ifndef _RESPONSECODE_H
+#define _RESPONSECODE_H
+
+class ResponseCode {
+  public:
+    // 100 series - Requestion action was initiated; expect another reply
+    // before proceeding with a new command.
+    static const int ActionInitiated = 100;
+
+    static const int VolumeListResult = 110;
+    static const int AsecListResult = 111;
+    static const int StorageUsersListResult = 112;
+    static const int CryptfsGetfieldResult = 113;
+
+    // 200 series - Requested action has been successfully completed
+    static const int CommandOkay = 200;
+    static const int ShareStatusResult = 210;
+    static const int AsecPathResult = 211;
+    static const int ShareEnabledResult = 212;
+    static const int PasswordTypeResult = 213;
+
+    // 400 series - The command was accepted but the requested action
+    // did not take place.
+    static const int OperationFailed = 400;
+    static const int OpFailedNoMedia = 401;
+    static const int OpFailedMediaBlank = 402;
+    static const int OpFailedMediaCorrupt = 403;
+    static const int OpFailedVolNotMounted = 404;
+    static const int OpFailedStorageBusy = 405;
+    static const int OpFailedStorageNotFound = 406;
+
+    // 500 series - The command was not accepted and the requested
+    // action did not take place.
+    static const int CommandSyntaxError = 500;
+    static const int CommandParameterError = 501;
+    static const int CommandNoPermission = 502;
+
+    // 600 series - Unsolicited broadcasts
+    static const int UnsolicitedInformational = 600;
+    static const int VolumeStateChange = 605;
+    static const int VolumeMountFailedBlank = 610;
+    static const int VolumeMountFailedDamaged = 611;
+    static const int VolumeMountFailedNoMedia = 612;
+    static const int VolumeUuidChange = 613;
+    static const int VolumeUserLabelChange = 614;
+
+    static const int ShareAvailabilityChange = 620;
+
+    static const int VolumeDiskInserted = 630;
+    static const int VolumeDiskRemoved = 631;
+    static const int VolumeBadRemoval = 632;
+
+    static const int DiskCreated = 640;
+    static const int DiskSizeChanged = 641;
+    static const int DiskLabelChanged = 642;
+    static const int DiskScanned = 643;
+    static const int DiskSysPathChanged = 644;
+    static const int DiskDestroyed = 649;
+
+    static const int VolumeCreated = 650;
+    static const int VolumeStateChanged = 651;
+    static const int VolumeFsTypeChanged = 652;
+    static const int VolumeFsUuidChanged = 653;
+    static const int VolumeFsLabelChanged = 654;
+    static const int VolumePathChanged = 655;
+    static const int VolumeDestroyed = 659;
+
+    static const int MoveStatus = 660;
+    static const int BenchmarkResult = 661;
+    static const int TrimResult = 662;
+
+    static int convertFromErrno();
+};
+#endif