Initial commit: FunASR Speech Recognition Toolkit

Add complete FunASR codebase including models, runtime, and documentation.

runtime/http/bin/io_context_pool.hpp

@@ -0,0 +1,59 @@
+/**
+ * Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights
+ * Reserved. MIT License  (https://opensource.org/licenses/MIT)
+ */
+/* 2023-2024 by zhaomingwork@qq.com */
+//
+// io_context_pool.hpp
+// ~~~~~~~~~~~~~~~~~~~
+// copy some codes from  http://www.boost.org/
+
+#ifndef HTTP_SERVER2_IO_SERVICE_POOL_HPP
+#define HTTP_SERVER2_IO_SERVICE_POOL_HPP
+
+#include <asio.hpp>
+#include <list>
+#include <memory>
+#include <vector>
+
+namespace http {
+namespace server2 {
+
+/// A pool of io_context objects.
+class io_context_pool
+{
+public:
+  /// Construct the io_context pool.
+  explicit io_context_pool(std::size_t pool_size);
+
+  /// Run all io_context objects in the pool.
+  void run();
+
+  /// Stop all io_context objects in the pool.
+  void stop();
+
+  /// Get an io_context to use.
+  asio::io_context& get_io_context();
+
+private:
+  io_context_pool(const io_context_pool&) = delete;
+  io_context_pool& operator=(const io_context_pool&) = delete;
+
+  typedef std::shared_ptr<::asio::io_context> io_context_ptr;
+  typedef asio::executor_work_guard<
+    asio::io_context::executor_type> io_context_work;
+
+  /// The pool of io_contexts.
+  std::vector<io_context_ptr> io_contexts_;
+
+  /// The work that keeps the io_contexts running.
+  std::list<io_context_work> work_;
+
+  /// The next io_context to use for a connection.
+  std::size_t next_io_context_;
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_IO_SERVICE_POOL_HPP