1 files changed, 118 insertions, 0 deletions
diff --git a/cmds/backup/backup.cpp b/cmds/backup/backup.cpp
new file mode 100644
index 000000000000..d4e669b5d9e8
--- /dev/null
+++ b/cmds/backup/backup.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2009 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.
+ */
+
+#include <utils/BackupHelpers.h>
+#include <utils/String8.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+
+using namespace android;
+
+#include <unistd.h>
+
+int
+usage(int argc, const char** argv)
+{
+    const char* p = argv[0];
+
+    fprintf(stderr, "%s: Backs up your data.\n"
+                    "\n"
+                    "usage: %s\n"
+                    "  Prints all of the data that can be backed up to stdout.\n"
+                    "\n"
+                    "usage: %s list FILE\n"
+                    "  Lists the backup entities in the file.\n"
+                    "\n"
+                    "usage: %s print NAME FILE\n"
+                    "  Prints the entity named NAME in FILE.\n",
+                    p, p, p, p);
+    return 1;
+}
+
+int
+perform_full_backup()
+{
+    printf("this would have written all of your data to stdout\n");
+    return 0;
+}
+
+int
+perform_list(const char* filename)
+{
+    int err;
+    int fd;
+
+    fd = open(filename, O_RDONLY);
+    if (fd == -1) {
+        fprintf(stderr, "Error opening: %s\n", filename);
+        return 1;
+    }
+
+    BackupDataReader reader(fd);
+    bool done;
+    int type;
+
+    while (reader.ReadNextHeader(&done, &type) == 0) {
+        if (done) {
+            break;
+        }
+        switch (type) {
+            case BACKUP_HEADER_ENTITY_V1:
+            {
+                String8 key;
+                size_t dataSize;
+                err = reader.ReadEntityHeader(&key, &dataSize);
+                if (err == 0) {
+                    printf("   entity: %s (%d bytes)\n", key.string(), dataSize);
+                } else {
+                    printf("   Error reading entity header\n");
+                }
+                break;
+            }
+            default:
+            {
+                printf("Unknown chunk type: 0x%08x\n", type);
+                break;
+            }
+        }
+    }
+
+    return 0;
+}
+
+int perform_print(const char* entityname, const char* filename)
+{
+    printf("perform_print(%s, %s);", entityname, filename);
+    return 0;
+}
+
+int
+main(int argc, const char** argv)
+{
+    if (argc <= 1) {
+        return perform_full_backup();
+    }
+    if (argc == 3 && 0 == strcmp(argv[1], "list")) {
+        return perform_list(argv[2]);
+    }
+    if (argc == 4 && 0 == strcmp(argv[1], "print")) {
+        return perform_print(argv[2], argv[3]);
+    }
+    return usage(argc, argv);
+}
+