[GitHub] [arrow] shefali163 commented on a diff in pull request #12914: ARROW-2034: [C++] Filesystem implementation for Azure Blob Storage

[GitBox <gi...@apache.org>]

shefali163 commented on code in PR #12914:
URL: https://github.com/apache/arrow/pull/12914#discussion_r862498378


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cpp/src/arrow/filesystem/azure/azurefs.cc:
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@@ -0,0 +1,1651 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 "arrow/filesystem/azure/azurefs.h"
+
+#include <algorithm>
+#include <atomic>
+#include <azure/core/credentials/credentials.hpp>
+#include <azure/identity/client_secret_credential.hpp>
+#include <azure/identity/managed_identity_credential.hpp>
+#include <azure/storage/blobs.hpp>
+#include <azure/storage/files/datalake.hpp>
+#include <chrono>
+#include <condition_variable>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <sstream>
+#include <thread>
+#include <unordered_map>
+#include <utility>
+
+#ifdef _WIN32
+// Undefine preprocessor macros that interfere with AWS function / method names
+#ifdef GetMessage
+#undef GetMessage
+#endif
+#ifdef GetObject
+#undef GetObject
+#endif
+#endif
+
+#include "arrow/util/windows_fixup.h"
+
+#include "arrow/buffer.h"
+#include "arrow/filesystem/filesystem.h"
+#include "arrow/filesystem/path_util.h"
+#include "arrow/filesystem/util_internal.h"
+#include "arrow/io/interfaces.h"
+#include "arrow/io/memory.h"
+#include "arrow/io/util_internal.h"
+#include "arrow/result.h"
+#include "arrow/status.h"
+#include "arrow/util/async_generator.h"
+#include "arrow/util/atomic_shared_ptr.h"
+#include "arrow/util/checked_cast.h"
+#include "arrow/util/future.h"
+#include "arrow/util/key_value_metadata.h"
+#include "arrow/util/logging.h"
+#include "arrow/util/optional.h"
+#include "arrow/util/task_group.h"
+#include "arrow/util/thread_pool.h"
+
+namespace arrow {
+
+using internal::Uri;
+
+namespace fs {
+
+static const char kSep = '/';
+
+// -----------------------------------------------------------------------
+// AzureOptions implementation
+
+AzureOptions::AzureOptions() {}
+
+void AzureOptions::ConfigureAnonymousCredentials(const std::string& account_name) {
+  account_dfs_url = "https://" + account_name + ".dfs.core.windows.net/";
+  account_blob_url = "https://" + account_name + ".blob.core.windows.net/";
+  credentials_kind = AzureCredentialsKind::Anonymous;
+}
+
+void AzureOptions::ConfigureAccountKeyCredentials(const std::string& account_name,
+                                                  const std::string& account_key) {
+  account_dfs_url = "https://" + account_name + ".dfs.core.windows.net/";
+  account_blob_url = "https://" + account_name + ".blob.core.windows.net/";
+  storage_credentials_provider =
+      std::make_shared<Azure::Storage::StorageSharedKeyCredential>(account_name,
+                                                                   account_key);
+  credentials_kind = AzureCredentialsKind::StorageCredentials;
+}
+
+void AzureOptions::ConfigureConnectionStringCredentials(
+    const std::string& connection_string_uri) {
+  auto account_name =
+      Azure::Storage::_internal::ParseConnectionString(connection_string_uri).AccountName;

Review Comment:
   Will check for a public API and update



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