Repo created

libs/platform/downloader_defines.hpp

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+#pragma once
+
+#include "base/assert.hpp"
+
+#include <cstdint>
+#include <string>
+#include <utility>
+
+namespace downloader
+{
+enum class DownloadStatus
+{
+  InProgress,
+  Completed,
+  Failed,
+  FileNotFound,
+  FailedSHA,
+};
+
+inline std::string DebugPrint(DownloadStatus status)
+{
+  switch (status)
+  {
+  case DownloadStatus::InProgress: return "In progress";
+  case DownloadStatus::Completed: return "Completed";
+  case DownloadStatus::Failed: return "Failed";
+  case DownloadStatus::FileNotFound: return "File not found";
+  case DownloadStatus::FailedSHA: return "Failed SHA check";
+  }
+  UNREACHABLE();
+}
+
+struct Progress
+{
+  static int64_t constexpr kUnknownTotalSize = -1;
+
+  static Progress constexpr Unknown() { return {0, kUnknownTotalSize}; }
+
+  bool IsUnknown() const { return m_bytesTotal == kUnknownTotalSize; }
+
+  int64_t m_bytesDownloaded = 0;
+  /// Total can be kUnknownTotalSize if size is unknown.
+  int64_t m_bytesTotal = 0;
+};
+
+inline std::string DebugPrint(Progress const & progress)
+{
+  std::ostringstream out;
+  out << "(downloaded " << progress.m_bytesDownloaded << " bytes out of " << progress.m_bytesTotal << " bytes)";
+  return out.str();
+}
+}  // namespace downloader