1 files changed, 111 insertions, 0 deletions
diff --git a/src/rocksdb/tools/blob_dump.cc b/src/rocksdb/tools/blob_dump.cc
new file mode 100644
index 000000000..1f75eb20d
--- /dev/null
+++ b/src/rocksdb/tools/blob_dump.cc
@@ -0,0 +1,111 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#ifndef ROCKSDB_LITE
+#include <getopt.h>
+
+#include <cstdio>
+#include <string>
+#include <unordered_map>
+
+#include "utilities/blob_db/blob_dump_tool.h"
+
+using ROCKSDB_NAMESPACE::Status;
+using ROCKSDB_NAMESPACE::blob_db::BlobDumpTool;
+
+int main(int argc, char** argv) {
+  using DisplayType = BlobDumpTool::DisplayType;
+  const std::unordered_map<std::string, DisplayType> display_types = {
+      {"none", DisplayType::kNone},
+      {"raw", DisplayType::kRaw},
+      {"hex", DisplayType::kHex},
+      {"detail", DisplayType::kDetail},
+  };
+  const struct option options[] = {
+      {"help", no_argument, nullptr, 'h'},
+      {"file", required_argument, nullptr, 'f'},
+      {"show_key", optional_argument, nullptr, 'k'},
+      {"show_blob", optional_argument, nullptr, 'b'},
+      {"show_uncompressed_blob", optional_argument, nullptr, 'r'},
+      {"show_summary", optional_argument, nullptr, 's'},
+  };
+  DisplayType show_key = DisplayType::kRaw;
+  DisplayType show_blob = DisplayType::kNone;
+  DisplayType show_uncompressed_blob = DisplayType::kNone;
+  bool show_summary = false;
+  std::string file;
+  while (true) {
+    int c = getopt_long(argc, argv, "hk::b::f:", options, nullptr);
+    if (c < 0) {
+      break;
+    }
+    std::string arg_str(optarg ? optarg : "");
+    switch (c) {
+      case 'h':
+        fprintf(stdout,
+                "Usage: blob_dump --file=filename "
+                "[--show_key[=none|raw|hex|detail]] "
+                "[--show_blob[=none|raw|hex|detail]] "
+                "[--show_uncompressed_blob[=none|raw|hex|detail]] "
+                "[--show_summary]\n");
+        return 0;
+      case 'f':
+        file = optarg;
+        break;
+      case 'k':
+        if (optarg) {
+          if (display_types.count(arg_str) == 0) {
+            fprintf(stderr, "Unrecognized key display type.\n");
+            return -1;
+          }
+          show_key = display_types.at(arg_str);
+        }
+        break;
+      case 'b':
+        if (optarg) {
+          if (display_types.count(arg_str) == 0) {
+            fprintf(stderr, "Unrecognized blob display type.\n");
+            return -1;
+          }
+          show_blob = display_types.at(arg_str);
+        } else {
+          show_blob = DisplayType::kHex;
+        }
+        break;
+      case 'r':
+        if (optarg) {
+          if (display_types.count(arg_str) == 0) {
+            fprintf(stderr, "Unrecognized blob display type.\n");
+            return -1;
+          }
+          show_uncompressed_blob = display_types.at(arg_str);
+        } else {
+          show_uncompressed_blob = DisplayType::kHex;
+        }
+        break;
+      case 's':
+        show_summary = true;
+        break;
+      default:
+        fprintf(stderr, "Unrecognized option.\n");
+        return -1;
+    }
+  }
+  BlobDumpTool tool;
+  Status s =
+      tool.Run(file, show_key, show_blob, show_uncompressed_blob, show_summary);
+  if (!s.ok()) {
+    fprintf(stderr, "Failed: %s\n", s.ToString().c_str());
+    return -1;
+  }
+  return 0;
+}
+#else
+#include <stdio.h>
+int main(int /*argc*/, char** /*argv*/) {
+  fprintf(stderr, "Not supported in lite mode.\n");
+  return -1;
+}
+#endif  // ROCKSDB_LITE