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-rw-r--r--3rdparty/asio/include/asio/basic_socket_acceptor.hpp1586
1 files changed, 1124 insertions, 462 deletions
diff --git a/3rdparty/asio/include/asio/basic_socket_acceptor.hpp b/3rdparty/asio/include/asio/basic_socket_acceptor.hpp
index 9554bb9ed30..baa0c53ae6c 100644
--- a/3rdparty/asio/include/asio/basic_socket_acceptor.hpp
+++ b/3rdparty/asio/include/asio/basic_socket_acceptor.hpp
@@ -2,7 +2,7 @@
// basic_socket_acceptor.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,37 +16,42 @@
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
-#include "asio/basic_io_object.hpp"
+#include "asio/any_io_executor.hpp"
#include "asio/basic_socket.hpp"
#include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
#include "asio/detail/throw_error.hpp"
#include "asio/detail/type_traits.hpp"
#include "asio/error.hpp"
+#include "asio/execution_context.hpp"
#include "asio/socket_base.hpp"
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/null_socket_service.hpp"
+#elif defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_socket_service.hpp"
+#else
+# include "asio/detail/reactive_socket_service.hpp"
+#endif
+
#if defined(ASIO_HAS_MOVE)
# include <utility>
#endif // defined(ASIO_HAS_MOVE)
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/socket_acceptor_service.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/null_socket_service.hpp"
-# define ASIO_SVC_T detail::null_socket_service<Protocol>
-# elif defined(ASIO_HAS_IOCP)
-# include "asio/detail/win_iocp_socket_service.hpp"
-# define ASIO_SVC_T detail::win_iocp_socket_service<Protocol>
-# else
-# include "asio/detail/reactive_socket_service.hpp"
-# define ASIO_SVC_T detail::reactive_socket_service<Protocol>
-# endif
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
#include "asio/detail/push_options.hpp"
namespace asio {
+#if !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
+#define ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = any_io_executor>
+class basic_socket_acceptor;
+
+#endif // !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
+
/// Provides the ability to accept new connections.
/**
* The basic_socket_acceptor class template is used for accepting new socket
@@ -56,10 +61,16 @@ namespace asio {
* @e Distinct @e objects: Safe.@n
* @e Shared @e objects: Unsafe.
*
+ * Synchronous @c accept operations are thread safe, if the underlying
+ * operating system calls are also thread safe. This means that it is permitted
+ * to perform concurrent calls to synchronous @c accept operations on a single
+ * socket object. Other synchronous operations, such as @c open or @c close, are
+ * not thread safe.
+ *
* @par Example
* Opening a socket acceptor with the SO_REUSEADDR option enabled:
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
* acceptor.open(endpoint.protocol());
* acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
@@ -67,21 +78,34 @@ namespace asio {
* acceptor.listen();
* @endcode
*/
-template <typename Protocol
- ASIO_SVC_TPARAM_DEF1(= socket_acceptor_service<Protocol>)>
+template <typename Protocol, typename Executor>
class basic_socket_acceptor
- : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>,
- public socket_base
+ : public socket_base
{
public:
/// The type of the executor associated with the object.
- typedef io_context::executor_type executor_type;
+ typedef Executor executor_type;
+
+ /// Rebinds the acceptor type to another executor.
+ template <typename Executor1>
+ struct rebind_executor
+ {
+ /// The socket type when rebound to the specified executor.
+ typedef basic_socket_acceptor<Protocol, Executor1> other;
+ };
/// The native representation of an acceptor.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined native_handle_type;
+#elif defined(ASIO_WINDOWS_RUNTIME)
+ typedef typename detail::null_socket_service<
+ Protocol>::native_handle_type native_handle_type;
+#elif defined(ASIO_HAS_IOCP)
+ typedef typename detail::win_iocp_socket_service<
+ Protocol>::native_handle_type native_handle_type;
#else
- typedef typename ASIO_SVC_T::native_handle_type native_handle_type;
+ typedef typename detail::reactive_socket_service<
+ Protocol>::native_handle_type native_handle_type;
#endif
/// The protocol type.
@@ -96,12 +120,31 @@ public:
* connections. The open() function must be called before the acceptor can
* accept new socket connections.
*
- * @param io_context The io_context object that the acceptor will use to
+ * @param ex The I/O executor that the acceptor will use, by default, to
* dispatch handlers for any asynchronous operations performed on the
* acceptor.
*/
- explicit basic_socket_acceptor(asio::io_context& io_context)
- : basic_io_object<ASIO_SVC_T>(io_context)
+ explicit basic_socket_acceptor(const executor_type& ex)
+ : impl_(0, ex)
+ {
+ }
+
+ /// Construct an acceptor without opening it.
+ /**
+ * This constructor creates an acceptor without opening it to listen for new
+ * connections. The open() function must be called before the acceptor can
+ * accept new socket connections.
+ *
+ * @param context An execution context which provides the I/O executor that
+ * the acceptor will use, by default, to dispatch handlers for any
+ * asynchronous operations performed on the acceptor.
+ */
+ template <typename ExecutionContext>
+ explicit basic_socket_acceptor(ExecutionContext& context,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
+ : impl_(0, 0, context)
{
}
@@ -109,7 +152,7 @@ public:
/**
* This constructor creates an acceptor and automatically opens it.
*
- * @param io_context The io_context object that the acceptor will use to
+ * @param ex The I/O executor that the acceptor will use, by default, to
* dispatch handlers for any asynchronous operations performed on the
* acceptor.
*
@@ -117,12 +160,37 @@ public:
*
* @throws asio::system_error Thrown on failure.
*/
- basic_socket_acceptor(asio::io_context& io_context,
- const protocol_type& protocol)
- : basic_io_object<ASIO_SVC_T>(io_context)
+ basic_socket_acceptor(const executor_type& ex, const protocol_type& protocol)
+ : impl_(0, ex)
{
asio::error_code ec;
- this->get_service().open(this->get_implementation(), protocol, ec);
+ impl_.get_service().open(impl_.get_implementation(), protocol, ec);
+ asio::detail::throw_error(ec, "open");
+ }
+
+ /// Construct an open acceptor.
+ /**
+ * This constructor creates an acceptor and automatically opens it.
+ *
+ * @param context An execution context which provides the I/O executor that
+ * the acceptor will use, by default, to dispatch handlers for any
+ * asynchronous operations performed on the acceptor.
+ *
+ * @param protocol An object specifying protocol parameters to be used.
+ *
+ * @throws asio::system_error Thrown on failure.
+ */
+ template <typename ExecutionContext>
+ basic_socket_acceptor(ExecutionContext& context,
+ const protocol_type& protocol,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value,
+ defaulted_constraint
+ >::type = defaulted_constraint())
+ : impl_(0, 0, context)
+ {
+ asio::error_code ec;
+ impl_.get_service().open(impl_.get_implementation(), protocol, ec);
asio::detail::throw_error(ec, "open");
}
@@ -131,7 +199,7 @@ public:
* This constructor creates an acceptor and automatically opens it to listen
* for new connections on the specified endpoint.
*
- * @param io_context The io_context object that the acceptor will use to
+ * @param ex The I/O executor that the acceptor will use, by default, to
* dispatch handlers for any asynchronous operations performed on the
* acceptor.
*
@@ -145,31 +213,83 @@ public:
*
* @note This constructor is equivalent to the following code:
* @code
- * basic_socket_acceptor<Protocol> acceptor(io_context);
+ * basic_socket_acceptor<Protocol> acceptor(my_context);
* acceptor.open(endpoint.protocol());
* if (reuse_addr)
* acceptor.set_option(socket_base::reuse_address(true));
* acceptor.bind(endpoint);
- * acceptor.listen(listen_backlog);
+ * acceptor.listen();
* @endcode
*/
- basic_socket_acceptor(asio::io_context& io_context,
+ basic_socket_acceptor(const executor_type& ex,
const endpoint_type& endpoint, bool reuse_addr = true)
- : basic_io_object<ASIO_SVC_T>(io_context)
+ : impl_(0, ex)
{
asio::error_code ec;
const protocol_type protocol = endpoint.protocol();
- this->get_service().open(this->get_implementation(), protocol, ec);
+ impl_.get_service().open(impl_.get_implementation(), protocol, ec);
asio::detail::throw_error(ec, "open");
if (reuse_addr)
{
- this->get_service().set_option(this->get_implementation(),
+ impl_.get_service().set_option(impl_.get_implementation(),
socket_base::reuse_address(true), ec);
asio::detail::throw_error(ec, "set_option");
}
- this->get_service().bind(this->get_implementation(), endpoint, ec);
+ impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
asio::detail::throw_error(ec, "bind");
- this->get_service().listen(this->get_implementation(),
+ impl_.get_service().listen(impl_.get_implementation(),
+ socket_base::max_listen_connections, ec);
+ asio::detail::throw_error(ec, "listen");
+ }
+
+ /// Construct an acceptor opened on the given endpoint.
+ /**
+ * This constructor creates an acceptor and automatically opens it to listen
+ * for new connections on the specified endpoint.
+ *
+ * @param context An execution context which provides the I/O executor that
+ * the acceptor will use, by default, to dispatch handlers for any
+ * asynchronous operations performed on the acceptor.
+ *
+ * @param endpoint An endpoint on the local machine on which the acceptor
+ * will listen for new connections.
+ *
+ * @param reuse_addr Whether the constructor should set the socket option
+ * socket_base::reuse_address.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note This constructor is equivalent to the following code:
+ * @code
+ * basic_socket_acceptor<Protocol> acceptor(my_context);
+ * acceptor.open(endpoint.protocol());
+ * if (reuse_addr)
+ * acceptor.set_option(socket_base::reuse_address(true));
+ * acceptor.bind(endpoint);
+ * acceptor.listen();
+ * @endcode
+ */
+ template <typename ExecutionContext>
+ basic_socket_acceptor(ExecutionContext& context,
+ const endpoint_type& endpoint, bool reuse_addr = true,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
+ : impl_(0, 0, context)
+ {
+ asio::error_code ec;
+ const protocol_type protocol = endpoint.protocol();
+ impl_.get_service().open(impl_.get_implementation(), protocol, ec);
+ asio::detail::throw_error(ec, "open");
+ if (reuse_addr)
+ {
+ impl_.get_service().set_option(impl_.get_implementation(),
+ socket_base::reuse_address(true), ec);
+ asio::detail::throw_error(ec, "set_option");
+ }
+ impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
+ asio::detail::throw_error(ec, "bind");
+ impl_.get_service().listen(impl_.get_implementation(),
socket_base::max_listen_connections, ec);
asio::detail::throw_error(ec, "listen");
}
@@ -179,7 +299,7 @@ public:
* This constructor creates an acceptor object to hold an existing native
* acceptor.
*
- * @param io_context The io_context object that the acceptor will use to
+ * @param ex The I/O executor that the acceptor will use, by default, to
* dispatch handlers for any asynchronous operations performed on the
* acceptor.
*
@@ -189,12 +309,41 @@ public:
*
* @throws asio::system_error Thrown on failure.
*/
- basic_socket_acceptor(asio::io_context& io_context,
+ basic_socket_acceptor(const executor_type& ex,
const protocol_type& protocol, const native_handle_type& native_acceptor)
- : basic_io_object<ASIO_SVC_T>(io_context)
+ : impl_(0, ex)
+ {
+ asio::error_code ec;
+ impl_.get_service().assign(impl_.get_implementation(),
+ protocol, native_acceptor, ec);
+ asio::detail::throw_error(ec, "assign");
+ }
+
+ /// Construct a basic_socket_acceptor on an existing native acceptor.
+ /**
+ * This constructor creates an acceptor object to hold an existing native
+ * acceptor.
+ *
+ * @param context An execution context which provides the I/O executor that
+ * the acceptor will use, by default, to dispatch handlers for any
+ * asynchronous operations performed on the acceptor.
+ *
+ * @param protocol An object specifying protocol parameters to be used.
+ *
+ * @param native_acceptor A native acceptor.
+ *
+ * @throws asio::system_error Thrown on failure.
+ */
+ template <typename ExecutionContext>
+ basic_socket_acceptor(ExecutionContext& context,
+ const protocol_type& protocol, const native_handle_type& native_acceptor,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
+ : impl_(0, 0, context)
{
asio::error_code ec;
- this->get_service().assign(this->get_implementation(),
+ impl_.get_service().assign(impl_.get_implementation(),
protocol, native_acceptor, ec);
asio::detail::throw_error(ec, "assign");
}
@@ -208,10 +357,11 @@ public:
* will occur.
*
* @note Following the move, the moved-from object is in the same state as if
- * constructed using the @c basic_socket_acceptor(io_context&) constructor.
+ * constructed using the @c basic_socket_acceptor(const executor_type&)
+ * constructor.
*/
- basic_socket_acceptor(basic_socket_acceptor&& other)
- : basic_io_object<ASIO_SVC_T>(std::move(other))
+ basic_socket_acceptor(basic_socket_acceptor&& other) ASIO_NOEXCEPT
+ : impl_(std::move(other.impl_))
{
}
@@ -223,16 +373,17 @@ public:
* will occur.
*
* @note Following the move, the moved-from object is in the same state as if
- * constructed using the @c basic_socket_acceptor(io_context&) constructor.
+ * constructed using the @c basic_socket_acceptor(const executor_type&)
+ * constructor.
*/
basic_socket_acceptor& operator=(basic_socket_acceptor&& other)
{
- basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+ impl_ = std::move(other.impl_);
return *this;
}
// All socket acceptors have access to each other's implementations.
- template <typename Protocol1 ASIO_SVC_TPARAM1>
+ template <typename Protocol1, typename Executor1>
friend class basic_socket_acceptor;
/// Move-construct a basic_socket_acceptor from an acceptor of another
@@ -244,17 +395,17 @@ public:
* will occur.
*
* @note Following the move, the moved-from object is in the same state as if
- * constructed using the @c basic_socket(io_context&) constructor.
+ * constructed using the @c basic_socket_acceptor(const executor_type&)
+ * constructor.
*/
- template <typename Protocol1 ASIO_SVC_TPARAM1>
- basic_socket_acceptor(
- basic_socket_acceptor<Protocol1 ASIO_SVC_TARG1>&& other,
- typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
- : basic_io_object<ASIO_SVC_T>(
- other.get_service().get_io_context())
+ template <typename Protocol1, typename Executor1>
+ basic_socket_acceptor(basic_socket_acceptor<Protocol1, Executor1>&& other,
+ typename constraint<
+ is_convertible<Protocol1, Protocol>::value
+ && is_convertible<Executor1, Executor>::value
+ >::type = 0)
+ : impl_(std::move(other.impl_))
{
- this->get_service().template converting_move_construct<Protocol1>(
- this->get_implementation(), other.get_implementation());
}
/// Move-assign a basic_socket_acceptor from an acceptor of another protocol
@@ -266,15 +417,18 @@ public:
* will occur.
*
* @note Following the move, the moved-from object is in the same state as if
- * constructed using the @c basic_socket(io_context&) constructor.
+ * constructed using the @c basic_socket_acceptor(const executor_type&)
+ * constructor.
*/
- template <typename Protocol1 ASIO_SVC_TPARAM1>
- typename enable_if<is_convertible<Protocol1, Protocol>::value,
- basic_socket_acceptor>::type& operator=(
- basic_socket_acceptor<Protocol1 ASIO_SVC_TARG1>&& other)
+ template <typename Protocol1, typename Executor1>
+ typename constraint<
+ is_convertible<Protocol1, Protocol>::value
+ && is_convertible<Executor1, Executor>::value,
+ basic_socket_acceptor&
+ >::type operator=(basic_socket_acceptor<Protocol1, Executor1>&& other)
{
basic_socket_acceptor tmp(std::move(other));
- basic_io_object<ASIO_SVC_T>::operator=(std::move(tmp));
+ impl_ = std::move(tmp.impl_);
return *this;
}
#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -289,45 +443,11 @@ public:
{
}
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
- /// (Deprecated: Use get_executor().) Get the io_context associated with the
- /// object.
- /**
- * This function may be used to obtain the io_context object that the I/O
- * object uses to dispatch handlers for asynchronous operations.
- *
- * @return A reference to the io_context object that the I/O object will use
- * to dispatch handlers. Ownership is not transferred to the caller.
- */
- asio::io_context& get_io_context()
- {
- return basic_io_object<ASIO_SVC_T>::get_io_context();
- }
-
- /// (Deprecated: Use get_executor().) Get the io_context associated with the
- /// object.
- /**
- * This function may be used to obtain the io_context object that the I/O
- * object uses to dispatch handlers for asynchronous operations.
- *
- * @return A reference to the io_context object that the I/O object will use
- * to dispatch handlers. Ownership is not transferred to the caller.
- */
- asio::io_context& get_io_service()
- {
- return basic_io_object<ASIO_SVC_T>::get_io_service();
- }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
/// Get the executor associated with the object.
executor_type get_executor() ASIO_NOEXCEPT
{
- return basic_io_object<ASIO_SVC_T>::get_executor();
+ return impl_.get_executor();
}
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
/// Open the acceptor using the specified protocol.
/**
@@ -340,14 +460,14 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* acceptor.open(asio::ip::tcp::v4());
* @endcode
*/
void open(const protocol_type& protocol = protocol_type())
{
asio::error_code ec;
- this->get_service().open(this->get_implementation(), protocol, ec);
+ impl_.get_service().open(impl_.get_implementation(), protocol, ec);
asio::detail::throw_error(ec, "open");
}
@@ -362,7 +482,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* asio::error_code ec;
* acceptor.open(asio::ip::tcp::v4(), ec);
* if (ec)
@@ -374,7 +494,7 @@ public:
ASIO_SYNC_OP_VOID open(const protocol_type& protocol,
asio::error_code& ec)
{
- this->get_service().open(this->get_implementation(), protocol, ec);
+ impl_.get_service().open(impl_.get_implementation(), protocol, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -392,7 +512,7 @@ public:
const native_handle_type& native_acceptor)
{
asio::error_code ec;
- this->get_service().assign(this->get_implementation(),
+ impl_.get_service().assign(impl_.get_implementation(),
protocol, native_acceptor, ec);
asio::detail::throw_error(ec, "assign");
}
@@ -410,7 +530,7 @@ public:
ASIO_SYNC_OP_VOID assign(const protocol_type& protocol,
const native_handle_type& native_acceptor, asio::error_code& ec)
{
- this->get_service().assign(this->get_implementation(),
+ impl_.get_service().assign(impl_.get_implementation(),
protocol, native_acceptor, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -418,7 +538,7 @@ public:
/// Determine whether the acceptor is open.
bool is_open() const
{
- return this->get_service().is_open(this->get_implementation());
+ return impl_.get_service().is_open(impl_.get_implementation());
}
/// Bind the acceptor to the given local endpoint.
@@ -433,7 +553,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
* acceptor.open(endpoint.protocol());
* acceptor.bind(endpoint);
@@ -442,7 +562,7 @@ public:
void bind(const endpoint_type& endpoint)
{
asio::error_code ec;
- this->get_service().bind(this->get_implementation(), endpoint, ec);
+ impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
asio::detail::throw_error(ec, "bind");
}
@@ -458,7 +578,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
* acceptor.open(endpoint.protocol());
* asio::error_code ec;
@@ -472,7 +592,7 @@ public:
ASIO_SYNC_OP_VOID bind(const endpoint_type& endpoint,
asio::error_code& ec)
{
- this->get_service().bind(this->get_implementation(), endpoint, ec);
+ impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -489,7 +609,7 @@ public:
void listen(int backlog = socket_base::max_listen_connections)
{
asio::error_code ec;
- this->get_service().listen(this->get_implementation(), backlog, ec);
+ impl_.get_service().listen(impl_.get_implementation(), backlog, ec);
asio::detail::throw_error(ec, "listen");
}
@@ -505,7 +625,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::error_code ec;
* acceptor.listen(asio::socket_base::max_listen_connections, ec);
@@ -517,7 +637,7 @@ public:
*/
ASIO_SYNC_OP_VOID listen(int backlog, asio::error_code& ec)
{
- this->get_service().listen(this->get_implementation(), backlog, ec);
+ impl_.get_service().listen(impl_.get_implementation(), backlog, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -534,7 +654,7 @@ public:
void close()
{
asio::error_code ec;
- this->get_service().close(this->get_implementation(), ec);
+ impl_.get_service().close(impl_.get_implementation(), ec);
asio::detail::throw_error(ec, "close");
}
@@ -550,7 +670,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::error_code ec;
* acceptor.close(ec);
@@ -562,10 +682,62 @@ public:
*/
ASIO_SYNC_OP_VOID close(asio::error_code& ec)
{
- this->get_service().close(this->get_implementation(), ec);
+ impl_.get_service().close(impl_.get_implementation(), ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
+ /// Release ownership of the underlying native acceptor.
+ /**
+ * This function causes all outstanding asynchronous accept operations to
+ * finish immediately, and the handlers for cancelled operations will be
+ * passed the asio::error::operation_aborted error. Ownership of the
+ * native acceptor is then transferred to the caller.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note This function is unsupported on Windows versions prior to Windows
+ * 8.1, and will fail with asio::error::operation_not_supported on
+ * these platforms.
+ */
+#if defined(ASIO_MSVC) && (ASIO_MSVC >= 1400) \
+ && (!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0603)
+ __declspec(deprecated("This function always fails with "
+ "operation_not_supported when used on Windows versions "
+ "prior to Windows 8.1."))
+#endif
+ native_handle_type release()
+ {
+ asio::error_code ec;
+ native_handle_type s = impl_.get_service().release(
+ impl_.get_implementation(), ec);
+ asio::detail::throw_error(ec, "release");
+ return s;
+ }
+
+ /// Release ownership of the underlying native acceptor.
+ /**
+ * This function causes all outstanding asynchronous accept operations to
+ * finish immediately, and the handlers for cancelled operations will be
+ * passed the asio::error::operation_aborted error. Ownership of the
+ * native acceptor is then transferred to the caller.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @note This function is unsupported on Windows versions prior to Windows
+ * 8.1, and will fail with asio::error::operation_not_supported on
+ * these platforms.
+ */
+#if defined(ASIO_MSVC) && (ASIO_MSVC >= 1400) \
+ && (!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0603)
+ __declspec(deprecated("This function always fails with "
+ "operation_not_supported when used on Windows versions "
+ "prior to Windows 8.1."))
+#endif
+ native_handle_type release(asio::error_code& ec)
+ {
+ return impl_.get_service().release(impl_.get_implementation(), ec);
+ }
+
/// Get the native acceptor representation.
/**
* This function may be used to obtain the underlying representation of the
@@ -574,7 +746,7 @@ public:
*/
native_handle_type native_handle()
{
- return this->get_service().native_handle(this->get_implementation());
+ return impl_.get_service().native_handle(impl_.get_implementation());
}
/// Cancel all asynchronous operations associated with the acceptor.
@@ -588,7 +760,7 @@ public:
void cancel()
{
asio::error_code ec;
- this->get_service().cancel(this->get_implementation(), ec);
+ impl_.get_service().cancel(impl_.get_implementation(), ec);
asio::detail::throw_error(ec, "cancel");
}
@@ -602,7 +774,7 @@ public:
*/
ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
{
- this->get_service().cancel(this->get_implementation(), ec);
+ impl_.get_service().cancel(impl_.get_implementation(), ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -621,7 +793,7 @@ public:
* @par Example
* Setting the SOL_SOCKET/SO_REUSEADDR option:
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::acceptor::reuse_address option(true);
* acceptor.set_option(option);
@@ -631,7 +803,7 @@ public:
void set_option(const SettableSocketOption& option)
{
asio::error_code ec;
- this->get_service().set_option(this->get_implementation(), option, ec);
+ impl_.get_service().set_option(impl_.get_implementation(), option, ec);
asio::detail::throw_error(ec, "set_option");
}
@@ -650,7 +822,7 @@ public:
* @par Example
* Setting the SOL_SOCKET/SO_REUSEADDR option:
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::acceptor::reuse_address option(true);
* asio::error_code ec;
@@ -665,7 +837,7 @@ public:
ASIO_SYNC_OP_VOID set_option(const SettableSocketOption& option,
asio::error_code& ec)
{
- this->get_service().set_option(this->get_implementation(), option, ec);
+ impl_.get_service().set_option(impl_.get_implementation(), option, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -684,7 +856,7 @@ public:
* @par Example
* Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::acceptor::reuse_address option;
* acceptor.get_option(option);
@@ -692,10 +864,10 @@ public:
* @endcode
*/
template <typename GettableSocketOption>
- void get_option(GettableSocketOption& option)
+ void get_option(GettableSocketOption& option) const
{
asio::error_code ec;
- this->get_service().get_option(this->get_implementation(), option, ec);
+ impl_.get_service().get_option(impl_.get_implementation(), option, ec);
asio::detail::throw_error(ec, "get_option");
}
@@ -714,7 +886,7 @@ public:
* @par Example
* Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::acceptor::reuse_address option;
* asio::error_code ec;
@@ -728,9 +900,9 @@ public:
*/
template <typename GettableSocketOption>
ASIO_SYNC_OP_VOID get_option(GettableSocketOption& option,
- asio::error_code& ec)
+ asio::error_code& ec) const
{
- this->get_service().get_option(this->get_implementation(), option, ec);
+ impl_.get_service().get_option(impl_.get_implementation(), option, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -748,7 +920,7 @@ public:
* @par Example
* Getting the number of bytes ready to read:
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::acceptor::non_blocking_io command(true);
* socket.io_control(command);
@@ -758,7 +930,7 @@ public:
void io_control(IoControlCommand& command)
{
asio::error_code ec;
- this->get_service().io_control(this->get_implementation(), command, ec);
+ impl_.get_service().io_control(impl_.get_implementation(), command, ec);
asio::detail::throw_error(ec, "io_control");
}
@@ -776,7 +948,7 @@ public:
* @par Example
* Getting the number of bytes ready to read:
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::acceptor::non_blocking_io command(true);
* asio::error_code ec;
@@ -791,7 +963,7 @@ public:
ASIO_SYNC_OP_VOID io_control(IoControlCommand& command,
asio::error_code& ec)
{
- this->get_service().io_control(this->get_implementation(), command, ec);
+ impl_.get_service().io_control(impl_.get_implementation(), command, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -808,7 +980,7 @@ public:
*/
bool non_blocking() const
{
- return this->get_service().non_blocking(this->get_implementation());
+ return impl_.get_service().non_blocking(impl_.get_implementation());
}
/// Sets the non-blocking mode of the acceptor.
@@ -827,7 +999,7 @@ public:
void non_blocking(bool mode)
{
asio::error_code ec;
- this->get_service().non_blocking(this->get_implementation(), mode, ec);
+ impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
asio::detail::throw_error(ec, "non_blocking");
}
@@ -847,7 +1019,7 @@ public:
ASIO_SYNC_OP_VOID non_blocking(
bool mode, asio::error_code& ec)
{
- this->get_service().non_blocking(this->get_implementation(), mode, ec);
+ impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -867,7 +1039,7 @@ public:
*/
bool native_non_blocking() const
{
- return this->get_service().native_non_blocking(this->get_implementation());
+ return impl_.get_service().native_non_blocking(impl_.get_implementation());
}
/// Sets the non-blocking mode of the native acceptor implementation.
@@ -888,8 +1060,8 @@ public:
void native_non_blocking(bool mode)
{
asio::error_code ec;
- this->get_service().native_non_blocking(
- this->get_implementation(), mode, ec);
+ impl_.get_service().native_non_blocking(
+ impl_.get_implementation(), mode, ec);
asio::detail::throw_error(ec, "native_non_blocking");
}
@@ -911,8 +1083,8 @@ public:
ASIO_SYNC_OP_VOID native_non_blocking(
bool mode, asio::error_code& ec)
{
- this->get_service().native_non_blocking(
- this->get_implementation(), mode, ec);
+ impl_.get_service().native_non_blocking(
+ impl_.get_implementation(), mode, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -926,7 +1098,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint();
* @endcode
@@ -934,8 +1106,8 @@ public:
endpoint_type local_endpoint() const
{
asio::error_code ec;
- endpoint_type ep = this->get_service().local_endpoint(
- this->get_implementation(), ec);
+ endpoint_type ep = impl_.get_service().local_endpoint(
+ impl_.get_implementation(), ec);
asio::detail::throw_error(ec, "local_endpoint");
return ep;
}
@@ -952,7 +1124,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::error_code ec;
* asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint(ec);
@@ -964,7 +1136,7 @@ public:
*/
endpoint_type local_endpoint(asio::error_code& ec) const
{
- return this->get_service().local_endpoint(this->get_implementation(), ec);
+ return impl_.get_service().local_endpoint(impl_.get_implementation(), ec);
}
/// Wait for the acceptor to become ready to read, ready to write, or to have
@@ -978,7 +1150,7 @@ public:
* @par Example
* Waiting for an acceptor to become readable.
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* acceptor.wait(asio::ip::tcp::acceptor::wait_read);
* @endcode
@@ -986,7 +1158,7 @@ public:
void wait(wait_type w)
{
asio::error_code ec;
- this->get_service().wait(this->get_implementation(), w, ec);
+ impl_.get_service().wait(impl_.get_implementation(), w, ec);
asio::detail::throw_error(ec, "wait");
}
@@ -1003,7 +1175,7 @@ public:
* @par Example
* Waiting for an acceptor to become readable.
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::error_code ec;
* acceptor.wait(asio::ip::tcp::acceptor::wait_read, ec);
@@ -1011,7 +1183,7 @@ public:
*/
ASIO_SYNC_OP_VOID wait(wait_type w, asio::error_code& ec)
{
- this->get_service().wait(this->get_implementation(), w, ec);
+ impl_.get_service().wait(impl_.get_implementation(), w, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -1030,9 +1202,9 @@ public:
* const asio::error_code& error // Result of operation
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
*
* @par Example
* @code
@@ -1046,34 +1218,34 @@ public:
*
* ...
*
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* acceptor.async_wait(
* asio::ip::tcp::acceptor::wait_read,
* wait_handler);
* @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
*/
- template <typename WaitHandler>
- ASIO_INITFN_RESULT_TYPE(WaitHandler,
+ template <
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
+ WaitHandler ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(WaitHandler,
void (asio::error_code))
- async_wait(wait_type w, ASIO_MOVE_ARG(WaitHandler) handler)
+ async_wait(wait_type w,
+ ASIO_MOVE_ARG(WaitHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a WaitHandler.
- ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_wait(this->get_implementation(),
- w, ASIO_MOVE_CAST(WaitHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- async_completion<WaitHandler,
- void (asio::error_code)> init(handler);
-
- this->get_service().async_wait(this->get_implementation(),
- w, init.completion_handler);
-
- return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ return async_initiate<WaitHandler, void (asio::error_code)>(
+ initiate_async_wait(this), handler, w);
}
#if !defined(ASIO_NO_EXTENSIONS)
@@ -1089,24 +1261,20 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
- * asio::ip::tcp::socket socket(io_context);
+ * asio::ip::tcp::socket socket(my_context);
* acceptor.accept(socket);
* @endcode
*/
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename Protocol1, typename SocketService>
- void accept(basic_socket<Protocol1, SocketService>& peer,
- typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename Protocol1>
- void accept(basic_socket<Protocol1>& peer,
- typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ template <typename Protocol1, typename Executor1>
+ void accept(basic_socket<Protocol1, Executor1>& peer,
+ typename constraint<
+ is_convertible<Protocol, Protocol1>::value
+ >::type = 0)
{
asio::error_code ec;
- this->get_service().accept(this->get_implementation(),
+ impl_.get_service().accept(impl_.get_implementation(),
peer, static_cast<endpoint_type*>(0), ec);
asio::detail::throw_error(ec, "accept");
}
@@ -1123,9 +1291,9 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
- * asio::ip::tcp::socket socket(io_context);
+ * asio::ip::tcp::socket socket(my_context);
* asio::error_code ec;
* acceptor.accept(socket, ec);
* if (ec)
@@ -1134,20 +1302,14 @@ public:
* }
* @endcode
*/
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename Protocol1, typename SocketService>
+ template <typename Protocol1, typename Executor1>
ASIO_SYNC_OP_VOID accept(
- basic_socket<Protocol1, SocketService>& peer,
- asio::error_code& ec,
- typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename Protocol1>
- ASIO_SYNC_OP_VOID accept(
- basic_socket<Protocol1>& peer, asio::error_code& ec,
- typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ basic_socket<Protocol1, Executor1>& peer, asio::error_code& ec,
+ typename constraint<
+ is_convertible<Protocol, Protocol1>::value
+ >::type = 0)
{
- this->get_service().accept(this->get_implementation(),
+ impl_.get_service().accept(impl_.get_implementation(),
peer, static_cast<endpoint_type*>(0), ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -1168,9 +1330,9 @@ public:
* const asio::error_code& error // Result of operation.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
*
* @par Example
* @code
@@ -1184,45 +1346,37 @@ public:
*
* ...
*
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
- * asio::ip::tcp::socket socket(io_context);
+ * asio::ip::tcp::socket socket(my_context);
* acceptor.async_accept(socket, accept_handler);
* @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
*/
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename Protocol1, typename SocketService, typename AcceptHandler>
- ASIO_INITFN_RESULT_TYPE(AcceptHandler,
- void (asio::error_code))
- async_accept(basic_socket<Protocol1, SocketService>& peer,
- ASIO_MOVE_ARG(AcceptHandler) handler,
- typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename Protocol1, typename AcceptHandler>
- ASIO_INITFN_RESULT_TYPE(AcceptHandler,
+ template <typename Protocol1, typename Executor1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
+ AcceptHandler ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(AcceptHandler,
void (asio::error_code))
- async_accept(basic_socket<Protocol1>& peer,
- ASIO_MOVE_ARG(AcceptHandler) handler,
- typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ async_accept(basic_socket<Protocol1, Executor1>& peer,
+ ASIO_MOVE_ARG(AcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
+ typename constraint<
+ is_convertible<Protocol, Protocol1>::value
+ >::type = 0)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a AcceptHandler.
- ASIO_ACCEPT_HANDLER_CHECK(AcceptHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_accept(this->get_implementation(),
- peer, static_cast<endpoint_type*>(0),
- ASIO_MOVE_CAST(AcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- async_completion<AcceptHandler,
- void (asio::error_code)> init(handler);
-
- this->get_service().async_accept(this->get_implementation(),
- peer, static_cast<endpoint_type*>(0), init.completion_handler);
-
- return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ return async_initiate<AcceptHandler, void (asio::error_code)>(
+ initiate_async_accept(this), handler,
+ &peer, static_cast<endpoint_type*>(0));
}
/// Accept a new connection and obtain the endpoint of the peer
@@ -1241,23 +1395,19 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
- * asio::ip::tcp::socket socket(io_context);
+ * asio::ip::tcp::socket socket(my_context);
* asio::ip::tcp::endpoint endpoint;
* acceptor.accept(socket, endpoint);
* @endcode
*/
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename SocketService>
- void accept(basic_socket<protocol_type, SocketService>& peer,
+ template <typename Executor1>
+ void accept(basic_socket<protocol_type, Executor1>& peer,
endpoint_type& peer_endpoint)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- void accept(basic_socket<protocol_type>& peer, endpoint_type& peer_endpoint)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
{
asio::error_code ec;
- this->get_service().accept(this->get_implementation(),
+ impl_.get_service().accept(impl_.get_implementation(),
peer, &peer_endpoint, ec);
asio::detail::throw_error(ec, "accept");
}
@@ -1278,9 +1428,9 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
- * asio::ip::tcp::socket socket(io_context);
+ * asio::ip::tcp::socket socket(my_context);
* asio::ip::tcp::endpoint endpoint;
* asio::error_code ec;
* acceptor.accept(socket, endpoint, ec);
@@ -1290,18 +1440,12 @@ public:
* }
* @endcode
*/
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename SocketService>
- ASIO_SYNC_OP_VOID accept(
- basic_socket<protocol_type, SocketService>& peer,
- endpoint_type& peer_endpoint, asio::error_code& ec)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- ASIO_SYNC_OP_VOID accept(basic_socket<protocol_type>& peer,
+ template <typename Executor1>
+ ASIO_SYNC_OP_VOID accept(basic_socket<protocol_type, Executor1>& peer,
endpoint_type& peer_endpoint, asio::error_code& ec)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
{
- this->get_service().accept(
- this->get_implementation(), peer, &peer_endpoint, ec);
+ impl_.get_service().accept(
+ impl_.get_implementation(), peer, &peer_endpoint, ec);
ASIO_SYNC_OP_VOID_RETURN(ec);
}
@@ -1327,40 +1471,32 @@ public:
* const asio::error_code& error // Result of operation.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
*/
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename SocketService, typename AcceptHandler>
- ASIO_INITFN_RESULT_TYPE(AcceptHandler,
- void (asio::error_code))
- async_accept(basic_socket<protocol_type, SocketService>& peer,
- endpoint_type& peer_endpoint, ASIO_MOVE_ARG(AcceptHandler) handler)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- template <typename AcceptHandler>
- ASIO_INITFN_RESULT_TYPE(AcceptHandler,
+ template <typename Executor1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
+ AcceptHandler ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(AcceptHandler,
void (asio::error_code))
- async_accept(basic_socket<protocol_type>& peer,
- endpoint_type& peer_endpoint, ASIO_MOVE_ARG(AcceptHandler) handler)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ async_accept(basic_socket<protocol_type, Executor1>& peer,
+ endpoint_type& peer_endpoint,
+ ASIO_MOVE_ARG(AcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a AcceptHandler.
- ASIO_ACCEPT_HANDLER_CHECK(AcceptHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_accept(this->get_implementation(), peer,
- &peer_endpoint, ASIO_MOVE_CAST(AcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- async_completion<AcceptHandler,
- void (asio::error_code)> init(handler);
-
- this->get_service().async_accept(this->get_implementation(),
- peer, &peer_endpoint, init.completion_handler);
-
- return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ return async_initiate<AcceptHandler, void (asio::error_code)>(
+ initiate_async_accept(this), handler, &peer, &peer_endpoint);
}
#endif // !defined(ASIO_NO_EXTENSIONS)
@@ -1380,17 +1516,18 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::socket socket(acceptor.accept());
* @endcode
*/
- typename Protocol::socket accept()
+ typename Protocol::socket::template rebind_executor<executor_type>::other
+ accept()
{
asio::error_code ec;
- typename Protocol::socket peer(
- this->get_service().accept(
- this->get_implementation(), 0, 0, ec));
+ typename Protocol::socket::template rebind_executor<
+ executor_type>::other peer(impl_.get_executor());
+ impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
asio::detail::throw_error(ec, "accept");
return peer;
}
@@ -1411,7 +1548,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::socket socket(acceptor.accept(ec));
* if (ec)
@@ -1420,9 +1557,13 @@ public:
* }
* @endcode
*/
- typename Protocol::socket accept(asio::error_code& ec)
+ typename Protocol::socket::template rebind_executor<executor_type>::other
+ accept(asio::error_code& ec)
{
- return this->get_service().accept(this->get_implementation(), 0, 0, ec);
+ typename Protocol::socket::template rebind_executor<
+ executor_type>::other peer(impl_.get_executor());
+ impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+ return peer;
}
/// Start an asynchronous accept.
@@ -1437,13 +1578,16 @@ public:
* completes. Copies will be made of the handler as required. The function
* signature of the handler must be:
* @code void handler(
- * const asio::error_code& error, // Result of operation.
- * typename Protocol::socket peer // On success, the newly accepted socket.
+ * // Result of operation.
+ * const asio::error_code& error,
+ * // On success, the newly accepted socket.
+ * typename Protocol::socket::template
+ * rebind_executor<executor_type>::other peer
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
*
* @par Example
* @code
@@ -1458,37 +1602,80 @@ public:
*
* ...
*
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* acceptor.async_accept(accept_handler);
* @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
*/
- template <typename MoveAcceptHandler>
- ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
- void (asio::error_code, typename Protocol::socket))
- async_accept(ASIO_MOVE_ARG(MoveAcceptHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a MoveAcceptHandler.
- ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
- handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_accept(
- this->get_implementation(), static_cast<asio::io_context*>(0),
- static_cast<endpoint_type*>(0),
- ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- async_completion<MoveAcceptHandler,
+ template <
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ executor_type>::other)) MoveAcceptHandler
+ ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
void (asio::error_code,
- typename Protocol::socket)> init(handler);
-
- this->get_service().async_accept(
- this->get_implementation(), static_cast<asio::io_context*>(0),
- static_cast<endpoint_type*>(0), init.completion_handler);
+ typename Protocol::socket::template
+ rebind_executor<executor_type>::other))
+ async_accept(
+ ASIO_MOVE_ARG(MoveAcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
+ {
+ return async_initiate<MoveAcceptHandler,
+ void (asio::error_code, typename Protocol::socket::template
+ rebind_executor<executor_type>::other)>(
+ initiate_async_move_accept(this), handler,
+ impl_.get_executor(), static_cast<endpoint_type*>(0),
+ static_cast<typename Protocol::socket::template
+ rebind_executor<executor_type>::other*>(0));
+ }
- return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ /// Accept a new connection.
+ /**
+ * This function is used to accept a new connection from a peer. The function
+ * call will block until a new connection has been accepted successfully or
+ * an error occurs.
+ *
+ * This overload requires that the Protocol template parameter satisfy the
+ * AcceptableProtocol type requirements.
+ *
+ * @param ex The I/O executor object to be used for the newly
+ * accepted socket.
+ *
+ * @returns A socket object representing the newly accepted connection.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @par Example
+ * @code
+ * asio::ip::tcp::acceptor acceptor(my_context);
+ * ...
+ * asio::ip::tcp::socket socket(acceptor.accept());
+ * @endcode
+ */
+ template <typename Executor1>
+ typename Protocol::socket::template rebind_executor<Executor1>::other
+ accept(const Executor1& ex,
+ typename constraint<
+ is_executor<Executor1>::value
+ || execution::is_executor<Executor1>::value
+ >::type = 0)
+ {
+ asio::error_code ec;
+ typename Protocol::socket::template
+ rebind_executor<Executor1>::other peer(ex);
+ impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+ asio::detail::throw_error(ec, "accept");
+ return peer;
}
/// Accept a new connection.
@@ -1500,8 +1687,8 @@ public:
* This overload requires that the Protocol template parameter satisfy the
* AcceptableProtocol type requirements.
*
- * @param io_context The io_context object to be used for the newly accepted
- * socket.
+ * @param context The I/O execution context object to be used for the newly
+ * accepted socket.
*
* @returns A socket object representing the newly accepted connection.
*
@@ -1509,17 +1696,23 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::socket socket(acceptor.accept());
* @endcode
*/
- typename Protocol::socket accept(asio::io_context& io_context)
+ template <typename ExecutionContext>
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other
+ accept(ExecutionContext& context,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
{
asio::error_code ec;
- typename Protocol::socket peer(
- this->get_service().accept(this->get_implementation(),
- &io_context, static_cast<endpoint_type*>(0), ec));
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other peer(context);
+ impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
asio::detail::throw_error(ec, "accept");
return peer;
}
@@ -1533,7 +1726,7 @@ public:
* This overload requires that the Protocol template parameter satisfy the
* AcceptableProtocol type requirements.
*
- * @param io_context The io_context object to be used for the newly accepted
+ * @param ex The I/O executor object to be used for the newly accepted
* socket.
*
* @param ec Set to indicate what error occurred, if any.
@@ -1543,20 +1736,69 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
+ * ...
+ * asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
+ * if (ec)
+ * {
+ * // An error occurred.
+ * }
+ * @endcode
+ */
+ template <typename Executor1>
+ typename Protocol::socket::template rebind_executor<Executor1>::other
+ accept(const Executor1& ex, asio::error_code& ec,
+ typename constraint<
+ is_executor<Executor1>::value
+ || execution::is_executor<Executor1>::value
+ >::type = 0)
+ {
+ typename Protocol::socket::template
+ rebind_executor<Executor1>::other peer(ex);
+ impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+ return peer;
+ }
+
+ /// Accept a new connection.
+ /**
+ * This function is used to accept a new connection from a peer. The function
+ * call will block until a new connection has been accepted successfully or
+ * an error occurs.
+ *
+ * This overload requires that the Protocol template parameter satisfy the
+ * AcceptableProtocol type requirements.
+ *
+ * @param context The I/O execution context object to be used for the newly
+ * accepted socket.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns On success, a socket object representing the newly accepted
+ * connection. On error, a socket object where is_open() is false.
+ *
+ * @par Example
+ * @code
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
- * asio::ip::tcp::socket socket(acceptor.accept(io_context2, ec));
+ * asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
* if (ec)
* {
* // An error occurred.
* }
* @endcode
*/
- typename Protocol::socket accept(
- asio::io_context& io_context, asio::error_code& ec)
+ template <typename ExecutionContext>
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other
+ accept(ExecutionContext& context, asio::error_code& ec,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
{
- return this->get_service().accept(this->get_implementation(),
- &io_context, static_cast<endpoint_type*>(0), ec);
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other peer(context);
+ impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+ return peer;
}
/// Start an asynchronous accept.
@@ -1567,7 +1809,7 @@ public:
* This overload requires that the Protocol template parameter satisfy the
* AcceptableProtocol type requirements.
*
- * @param io_context The io_context object to be used for the newly accepted
+ * @param ex The I/O executor object to be used for the newly accepted
* socket.
*
* @param handler The handler to be called when the accept operation
@@ -1575,12 +1817,13 @@ public:
* signature of the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
- * typename Protocol::socket peer // On success, the newly accepted socket.
+ * typename Protocol::socket::template rebind_executor<
+ * Executor1>::other peer // On success, the newly accepted socket.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
*
* @par Example
* @code
@@ -1595,36 +1838,125 @@ public:
*
* ...
*
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
- * acceptor.async_accept(io_context2, accept_handler);
+ * acceptor.async_accept(my_context2, accept_handler);
* @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
*/
- template <typename MoveAcceptHandler>
- ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
- void (asio::error_code, typename Protocol::socket))
- async_accept(asio::io_context& io_context,
- ASIO_MOVE_ARG(MoveAcceptHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a MoveAcceptHandler.
- ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
- handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_accept(this->get_implementation(),
- &io_context, static_cast<endpoint_type*>(0),
- ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- async_completion<MoveAcceptHandler,
+ template <typename Executor1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ Executor1>::other)) MoveAcceptHandler
+ ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
void (asio::error_code,
- typename Protocol::socket)> init(handler);
-
- this->get_service().async_accept(this->get_implementation(),
- &io_context, static_cast<endpoint_type*>(0), init.completion_handler);
+ typename Protocol::socket::template rebind_executor<
+ Executor1>::other))
+ async_accept(const Executor1& ex,
+ ASIO_MOVE_ARG(MoveAcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
+ typename constraint<
+ is_executor<Executor1>::value
+ || execution::is_executor<Executor1>::value
+ >::type = 0)
+ {
+ typedef typename Protocol::socket::template rebind_executor<
+ Executor1>::other other_socket_type;
+
+ return async_initiate<MoveAcceptHandler,
+ void (asio::error_code, other_socket_type)>(
+ initiate_async_move_accept(this), handler,
+ ex, static_cast<endpoint_type*>(0),
+ static_cast<other_socket_type*>(0));
+ }
- return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ /// Start an asynchronous accept.
+ /**
+ * This function is used to asynchronously accept a new connection. The
+ * function call always returns immediately.
+ *
+ * This overload requires that the Protocol template parameter satisfy the
+ * AcceptableProtocol type requirements.
+ *
+ * @param context The I/O execution context object to be used for the newly
+ * accepted socket.
+ *
+ * @param handler The handler to be called when the accept operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * typename Protocol::socket::template rebind_executor<
+ * typename ExecutionContext::executor_type>::other peer
+ * // On success, the newly accepted socket.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @par Example
+ * @code
+ * void accept_handler(const asio::error_code& error,
+ * asio::ip::tcp::socket peer)
+ * {
+ * if (!error)
+ * {
+ * // Accept succeeded.
+ * }
+ * }
+ *
+ * ...
+ *
+ * asio::ip::tcp::acceptor acceptor(my_context);
+ * ...
+ * acceptor.async_accept(my_context2, accept_handler);
+ * @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
+ */
+ template <typename ExecutionContext,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other)) MoveAcceptHandler
+ ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
+ void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other))
+ async_accept(ExecutionContext& context,
+ ASIO_MOVE_ARG(MoveAcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
+ {
+ typedef typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other other_socket_type;
+
+ return async_initiate<MoveAcceptHandler,
+ void (asio::error_code, other_socket_type)>(
+ initiate_async_move_accept(this), handler,
+ context.get_executor(), static_cast<endpoint_type*>(0),
+ static_cast<other_socket_type*>(0));
}
/// Accept a new connection.
@@ -1645,18 +1977,20 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::endpoint endpoint;
* asio::ip::tcp::socket socket(acceptor.accept(endpoint));
* @endcode
*/
- typename Protocol::socket accept(endpoint_type& peer_endpoint)
+ typename Protocol::socket::template rebind_executor<executor_type>::other
+ accept(endpoint_type& peer_endpoint)
{
asio::error_code ec;
- typename Protocol::socket peer(
- this->get_service().accept(this->get_implementation(),
- static_cast<asio::io_context*>(0), &peer_endpoint, ec));
+ typename Protocol::socket::template rebind_executor<
+ executor_type>::other peer(impl_.get_executor());
+ impl_.get_service().accept(impl_.get_implementation(),
+ peer, &peer_endpoint, ec);
asio::detail::throw_error(ec, "accept");
return peer;
}
@@ -1680,7 +2014,7 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::endpoint endpoint;
* asio::ip::tcp::socket socket(acceptor.accept(endpoint, ec));
@@ -1690,11 +2024,14 @@ public:
* }
* @endcode
*/
- typename Protocol::socket accept(
- endpoint_type& peer_endpoint, asio::error_code& ec)
+ typename Protocol::socket::template rebind_executor<executor_type>::other
+ accept(endpoint_type& peer_endpoint, asio::error_code& ec)
{
- return this->get_service().accept(this->get_implementation(),
- static_cast<asio::io_context*>(0), &peer_endpoint, ec);
+ typename Protocol::socket::template rebind_executor<
+ executor_type>::other peer(impl_.get_executor());
+ impl_.get_service().accept(impl_.get_implementation(),
+ peer, &peer_endpoint, ec);
+ return peer;
}
/// Start an asynchronous accept.
@@ -1714,13 +2051,16 @@ public:
* completes. Copies will be made of the handler as required. The function
* signature of the handler must be:
* @code void handler(
- * const asio::error_code& error, // Result of operation.
- * typename Protocol::socket peer // On success, the newly accepted socket.
+ * // Result of operation.
+ * const asio::error_code& error,
+ * // On success, the newly accepted socket.
+ * typename Protocol::socket::template
+ * rebind_executor<executor_type>::other peer
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
*
* @par Example
* @code
@@ -1735,38 +2075,42 @@ public:
*
* ...
*
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::endpoint endpoint;
* acceptor.async_accept(endpoint, accept_handler);
* @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
*/
- template <typename MoveAcceptHandler>
- ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
- void (asio::error_code, typename Protocol::socket))
- async_accept(endpoint_type& peer_endpoint,
- ASIO_MOVE_ARG(MoveAcceptHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a MoveAcceptHandler.
- ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
- handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_accept(this->get_implementation(),
- static_cast<asio::io_context*>(0), &peer_endpoint,
- ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- async_completion<MoveAcceptHandler,
+ template <
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ executor_type>::other)) MoveAcceptHandler
+ ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
void (asio::error_code,
- typename Protocol::socket)> init(handler);
-
- this->get_service().async_accept(this->get_implementation(),
- static_cast<asio::io_context*>(0), &peer_endpoint,
- init.completion_handler);
-
- return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ typename Protocol::socket::template
+ rebind_executor<executor_type>::other))
+ async_accept(endpoint_type& peer_endpoint,
+ ASIO_MOVE_ARG(MoveAcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
+ {
+ return async_initiate<MoveAcceptHandler,
+ void (asio::error_code, typename Protocol::socket::template
+ rebind_executor<executor_type>::other)>(
+ initiate_async_move_accept(this), handler,
+ impl_.get_executor(), &peer_endpoint,
+ static_cast<typename Protocol::socket::template
+ rebind_executor<executor_type>::other*>(0));
}
/// Accept a new connection.
@@ -1778,7 +2122,7 @@ public:
* This overload requires that the Protocol template parameter satisfy the
* AcceptableProtocol type requirements.
*
- * @param io_context The io_context object to be used for the newly accepted
+ * @param ex The I/O executor object to be used for the newly accepted
* socket.
*
* @param peer_endpoint An endpoint object into which the endpoint of the
@@ -1790,20 +2134,26 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::endpoint endpoint;
* asio::ip::tcp::socket socket(
- * acceptor.accept(io_context2, endpoint));
+ * acceptor.accept(my_context2, endpoint));
* @endcode
*/
- typename Protocol::socket accept(
- asio::io_context& io_context, endpoint_type& peer_endpoint)
+ template <typename Executor1>
+ typename Protocol::socket::template rebind_executor<Executor1>::other
+ accept(const Executor1& ex, endpoint_type& peer_endpoint,
+ typename constraint<
+ is_executor<Executor1>::value
+ || execution::is_executor<Executor1>::value
+ >::type = 0)
{
asio::error_code ec;
- typename Protocol::socket peer(
- this->get_service().accept(this->get_implementation(),
- &io_context, &peer_endpoint, ec));
+ typename Protocol::socket::template
+ rebind_executor<Executor1>::other peer(ex);
+ impl_.get_service().accept(impl_.get_implementation(),
+ peer, &peer_endpoint, ec);
asio::detail::throw_error(ec, "accept");
return peer;
}
@@ -1817,7 +2167,52 @@ public:
* This overload requires that the Protocol template parameter satisfy the
* AcceptableProtocol type requirements.
*
- * @param io_context The io_context object to be used for the newly accepted
+ * @param context The I/O execution context object to be used for the newly
+ * accepted socket.
+ *
+ * @param peer_endpoint An endpoint object into which the endpoint of the
+ * remote peer will be written.
+ *
+ * @returns A socket object representing the newly accepted connection.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @par Example
+ * @code
+ * asio::ip::tcp::acceptor acceptor(my_context);
+ * ...
+ * asio::ip::tcp::endpoint endpoint;
+ * asio::ip::tcp::socket socket(
+ * acceptor.accept(my_context2, endpoint));
+ * @endcode
+ */
+ template <typename ExecutionContext>
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other
+ accept(ExecutionContext& context, endpoint_type& peer_endpoint,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
+ {
+ asio::error_code ec;
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other peer(context);
+ impl_.get_service().accept(impl_.get_implementation(),
+ peer, &peer_endpoint, ec);
+ asio::detail::throw_error(ec, "accept");
+ return peer;
+ }
+
+ /// Accept a new connection.
+ /**
+ * This function is used to accept a new connection from a peer. The function
+ * call will block until a new connection has been accepted successfully or
+ * an error occurs.
+ *
+ * This overload requires that the Protocol template parameter satisfy the
+ * AcceptableProtocol type requirements.
+ *
+ * @param ex The I/O executor object to be used for the newly accepted
* socket.
*
* @param peer_endpoint An endpoint object into which the endpoint of the
@@ -1830,22 +2225,80 @@ public:
*
* @par Example
* @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::endpoint endpoint;
* asio::ip::tcp::socket socket(
- * acceptor.accept(io_context2, endpoint, ec));
+ * acceptor.accept(my_context2, endpoint, ec));
* if (ec)
* {
* // An error occurred.
* }
* @endcode
*/
- typename Protocol::socket accept(asio::io_context& io_context,
- endpoint_type& peer_endpoint, asio::error_code& ec)
+ template <typename Executor1>
+ typename Protocol::socket::template rebind_executor<Executor1>::other
+ accept(const executor_type& ex,
+ endpoint_type& peer_endpoint, asio::error_code& ec,
+ typename constraint<
+ is_executor<Executor1>::value
+ || execution::is_executor<Executor1>::value
+ >::type = 0)
{
- return this->get_service().accept(this->get_implementation(),
- &io_context, &peer_endpoint, ec);
+ typename Protocol::socket::template
+ rebind_executor<Executor1>::other peer(ex);
+ impl_.get_service().accept(impl_.get_implementation(),
+ peer, &peer_endpoint, ec);
+ return peer;
+ }
+
+ /// Accept a new connection.
+ /**
+ * This function is used to accept a new connection from a peer. The function
+ * call will block until a new connection has been accepted successfully or
+ * an error occurs.
+ *
+ * This overload requires that the Protocol template parameter satisfy the
+ * AcceptableProtocol type requirements.
+ *
+ * @param context The I/O execution context object to be used for the newly
+ * accepted socket.
+ *
+ * @param peer_endpoint An endpoint object into which the endpoint of the
+ * remote peer will be written.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns On success, a socket object representing the newly accepted
+ * connection. On error, a socket object where is_open() is false.
+ *
+ * @par Example
+ * @code
+ * asio::ip::tcp::acceptor acceptor(my_context);
+ * ...
+ * asio::ip::tcp::endpoint endpoint;
+ * asio::ip::tcp::socket socket(
+ * acceptor.accept(my_context2, endpoint, ec));
+ * if (ec)
+ * {
+ * // An error occurred.
+ * }
+ * @endcode
+ */
+ template <typename ExecutionContext>
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other
+ accept(ExecutionContext& context,
+ endpoint_type& peer_endpoint, asio::error_code& ec,
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
+ {
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other peer(context);
+ impl_.get_service().accept(impl_.get_implementation(),
+ peer, &peer_endpoint, ec);
+ return peer;
}
/// Start an asynchronous accept.
@@ -1856,7 +2309,7 @@ public:
* This overload requires that the Protocol template parameter satisfy the
* AcceptableProtocol type requirements.
*
- * @param io_context The io_context object to be used for the newly accepted
+ * @param ex The I/O executor object to be used for the newly accepted
* socket.
*
* @param peer_endpoint An endpoint object into which the endpoint of the
@@ -1869,12 +2322,13 @@ public:
* signature of the handler must be:
* @code void handler(
* const asio::error_code& error, // Result of operation.
- * typename Protocol::socket peer // On success, the newly accepted socket.
+ * typename Protocol::socket::template rebind_executor<
+ * Executor1>::other peer // On success, the newly accepted socket.
* ); @endcode
* Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
*
* @par Example
* @code
@@ -1889,48 +2343,256 @@ public:
*
* ...
*
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
* ...
* asio::ip::tcp::endpoint endpoint;
- * acceptor.async_accept(io_context2, endpoint, accept_handler);
+ * acceptor.async_accept(my_context2, endpoint, accept_handler);
* @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
*/
- template <typename MoveAcceptHandler>
- ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
- void (asio::error_code, typename Protocol::socket))
- async_accept(asio::io_context& io_context,
- endpoint_type& peer_endpoint,
- ASIO_MOVE_ARG(MoveAcceptHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a MoveAcceptHandler.
- ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
- handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_accept(
- this->get_implementation(), &io_context, &peer_endpoint,
- ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
- async_completion<MoveAcceptHandler,
+ template <typename Executor1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ Executor1>::other)) MoveAcceptHandler
+ ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
void (asio::error_code,
- typename Protocol::socket)> init(handler);
-
- this->get_service().async_accept(this->get_implementation(),
- &io_context, &peer_endpoint, init.completion_handler);
+ typename Protocol::socket::template rebind_executor<
+ Executor1>::other))
+ async_accept(const Executor1& ex, endpoint_type& peer_endpoint,
+ ASIO_MOVE_ARG(MoveAcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
+ typename constraint<
+ is_executor<Executor1>::value
+ || execution::is_executor<Executor1>::value
+ >::type = 0)
+ {
+ typedef typename Protocol::socket::template rebind_executor<
+ Executor1>::other other_socket_type;
+
+ return async_initiate<MoveAcceptHandler,
+ void (asio::error_code, other_socket_type)>(
+ initiate_async_move_accept(this), handler,
+ ex, &peer_endpoint,
+ static_cast<other_socket_type*>(0));
+ }
- return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+ /// Start an asynchronous accept.
+ /**
+ * This function is used to asynchronously accept a new connection. The
+ * function call always returns immediately.
+ *
+ * This overload requires that the Protocol template parameter satisfy the
+ * AcceptableProtocol type requirements.
+ *
+ * @param context The I/O execution context object to be used for the newly
+ * accepted socket.
+ *
+ * @param peer_endpoint An endpoint object into which the endpoint of the
+ * remote peer will be written. Ownership of the peer_endpoint object is
+ * retained by the caller, which must guarantee that it is valid until the
+ * handler is called.
+ *
+ * @param handler The handler to be called when the accept operation
+ * completes. Copies will be made of the handler as required. The function
+ * signature of the handler must be:
+ * @code void handler(
+ * const asio::error_code& error, // Result of operation.
+ * typename Protocol::socket::template rebind_executor<
+ * typename ExecutionContext::executor_type>::other peer
+ * // On success, the newly accepted socket.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @par Example
+ * @code
+ * void accept_handler(const asio::error_code& error,
+ * asio::ip::tcp::socket peer)
+ * {
+ * if (!error)
+ * {
+ * // Accept succeeded.
+ * }
+ * }
+ *
+ * ...
+ *
+ * asio::ip::tcp::acceptor acceptor(my_context);
+ * ...
+ * asio::ip::tcp::endpoint endpoint;
+ * acceptor.async_accept(my_context2, endpoint, accept_handler);
+ * @endcode
+ *
+ * @par Per-Operation Cancellation
+ * On POSIX or Windows operating systems, this asynchronous operation supports
+ * cancellation for the following asio::cancellation_type values:
+ *
+ * @li @c cancellation_type::terminal
+ *
+ * @li @c cancellation_type::partial
+ *
+ * @li @c cancellation_type::total
+ */
+ template <typename ExecutionContext,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other)) MoveAcceptHandler
+ ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
+ ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
+ void (asio::error_code,
+ typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other))
+ async_accept(ExecutionContext& context,
+ endpoint_type& peer_endpoint,
+ ASIO_MOVE_ARG(MoveAcceptHandler) handler
+ ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
+ typename constraint<
+ is_convertible<ExecutionContext&, execution_context&>::value
+ >::type = 0)
+ {
+ typedef typename Protocol::socket::template rebind_executor<
+ typename ExecutionContext::executor_type>::other other_socket_type;
+
+ return async_initiate<MoveAcceptHandler,
+ void (asio::error_code, other_socket_type)>(
+ initiate_async_move_accept(this), handler,
+ context.get_executor(), &peer_endpoint,
+ static_cast<other_socket_type*>(0));
}
#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+private:
+ // Disallow copying and assignment.
+ basic_socket_acceptor(const basic_socket_acceptor&) ASIO_DELETED;
+ basic_socket_acceptor& operator=(
+ const basic_socket_acceptor&) ASIO_DELETED;
+
+ class initiate_async_wait
+ {
+ public:
+ typedef Executor executor_type;
+
+ explicit initiate_async_wait(basic_socket_acceptor* self)
+ : self_(self)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return self_->get_executor();
+ }
+
+ template <typename WaitHandler>
+ void operator()(ASIO_MOVE_ARG(WaitHandler) handler, wait_type w) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a WaitHandler.
+ ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+ detail::non_const_lvalue<WaitHandler> handler2(handler);
+ self_->impl_.get_service().async_wait(
+ self_->impl_.get_implementation(), w,
+ handler2.value, self_->impl_.get_executor());
+ }
+
+ private:
+ basic_socket_acceptor* self_;
+ };
+
+ class initiate_async_accept
+ {
+ public:
+ typedef Executor executor_type;
+
+ explicit initiate_async_accept(basic_socket_acceptor* self)
+ : self_(self)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return self_->get_executor();
+ }
+
+ template <typename AcceptHandler, typename Protocol1, typename Executor1>
+ void operator()(ASIO_MOVE_ARG(AcceptHandler) handler,
+ basic_socket<Protocol1, Executor1>* peer,
+ endpoint_type* peer_endpoint) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a AcceptHandler.
+ ASIO_ACCEPT_HANDLER_CHECK(AcceptHandler, handler) type_check;
+
+ detail::non_const_lvalue<AcceptHandler> handler2(handler);
+ self_->impl_.get_service().async_accept(
+ self_->impl_.get_implementation(), *peer, peer_endpoint,
+ handler2.value, self_->impl_.get_executor());
+ }
+
+ private:
+ basic_socket_acceptor* self_;
+ };
+
+ class initiate_async_move_accept
+ {
+ public:
+ typedef Executor executor_type;
+
+ explicit initiate_async_move_accept(basic_socket_acceptor* self)
+ : self_(self)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return self_->get_executor();
+ }
+
+ template <typename MoveAcceptHandler, typename Executor1, typename Socket>
+ void operator()(ASIO_MOVE_ARG(MoveAcceptHandler) handler,
+ const Executor1& peer_ex, endpoint_type* peer_endpoint, Socket*) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a MoveAcceptHandler.
+ ASIO_MOVE_ACCEPT_HANDLER_CHECK(
+ MoveAcceptHandler, handler, Socket) type_check;
+
+ detail::non_const_lvalue<MoveAcceptHandler> handler2(handler);
+ self_->impl_.get_service().async_move_accept(
+ self_->impl_.get_implementation(), peer_ex, peer_endpoint,
+ handler2.value, self_->impl_.get_executor());
+ }
+
+ private:
+ basic_socket_acceptor* self_;
+ };
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+ detail::io_object_impl<
+ detail::null_socket_service<Protocol>, Executor> impl_;
+#elif defined(ASIO_HAS_IOCP)
+ detail::io_object_impl<
+ detail::win_iocp_socket_service<Protocol>, Executor> impl_;
+#else
+ detail::io_object_impl<
+ detail::reactive_socket_service<Protocol>, Executor> impl_;
+#endif
};
} // namespace asio
#include "asio/detail/pop_options.hpp"
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
#endif // ASIO_BASIC_SOCKET_ACCEPTOR_HPP