Module: Rufio::NativeScannerZigFFI

Extended by:
Fiddle::Importer
Defined in:
lib/rufio/native_scanner_zig.rb

Overview

Zig拡張の非同期FFI層Ruby側は「ハンドル（u64）だけ」を持つ

Constant Summary collapse

LIB_PATH = 
File.expand_path('native/rufio_zig.bundle', __dir__)

Class Method Summary collapse

Class Method Details

.available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rufio/native_scanner_zig.rb', line 53

def available?
  load! unless @loaded
  @available
end

.load! ⇒ Object 



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# File 'lib/rufio/native_scanner_zig.rb', line 18

def load!
  return @available if @loaded

  @loaded = true

  if File.exist?(LIB_PATH)
    begin
      # 動的ライブラリをロード
      dlload LIB_PATH

      # ABI Boundary: Ruby ABI非依存のC関数（非同期版）
      extern 'uint64_t core_async_create()'
      extern 'int32_t core_async_scan(uint64_t, const char*)'
      extern 'int32_t core_async_scan_fast(uint64_t, const char*, size_t)'
      extern 'uint8_t core_async_get_state(uint64_t)'
      extern 'void core_async_get_progress(uint64_t, void*, void*)'
      extern 'void core_async_cancel(uint64_t)'
      extern 'size_t core_async_get_count(uint64_t)'
      extern 'size_t core_async_get_name(uint64_t, size_t, void*, size_t)'
      extern 'int32_t core_async_get_attrs(uint64_t, size_t, void*, void*, void*, void*, void*)'
      extern 'void core_async_destroy(uint64_t)'
      extern 'char* core_async_version()'

      @available = true
    rescue StandardError => e
      warn "Failed to load zig extension: #{e.message}" if ENV['RUFIO_DEBUG']
      @available = false
    end
  else
    @available = false
  end

  @available
end

.version ⇒ Object

バージョン取得



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# File 'lib/rufio/native_scanner_zig.rb', line 59

def version
  core_async_version.to_s
end