9#if defined( RESTINIO_FREEBSD_TARGET ) || defined( RESTINIO_MACOS_TARGET )
12 #include <sys/sendfile.h>
26template <
typename Socket >
27class sendfile_operation_runner_t final
28 :
public sendfile_operation_runner_base_t< Socket >
39 using base_type_t::base_type_t;
44#if defined( RESTINIO_FREEBSD_TARGET ) || defined( RESTINIO_MACOS_TARGET )
50 if(
static_cast< off_t
>( -1 ) != n )
56 const asio_ns::error_code ec{ errno, asio_ns::error::get_system_category() };
77 auto const n = ::read(
80 std::min< file_size_t >(
81 this->m_remained_size, this->m_chunk_size ) );
91 asio_ns::error::get_system_category() },
99 asio_ns::error::get_system_category() },
107 asio_ns::async_write(
111 static_cast< std::size_t
>( n ) },
112 asio_ns::bind_executor(
136 return [
this, ctx = this->shared_from_this()]
138 (
const asio_ns::error_code & ec, std::size_t written )
noexcept
179 if( !
m_socket.native_non_blocking() )
181 asio_ns::error_code ec;
182 m_socket.native_non_blocking(
true, ec );
194#if defined( RESTINIO_FREEBSD_TARGET )
197 call_native_sendfile() noexcept
210 static_cast< size_t >(
216 SF_FLAGS( 16, SF_NOCACHE )
236#elif defined( RESTINIO_MACOS_TARGET )
239 call_native_sendfile() noexcept
246 static_cast< off_t
>(
295 asio_ns::ip::tcp::socket::wait_write,
296 asio_ns::bind_executor(
298 [
this, ctx = this->shared_from_this() ]
300 (
const asio_ns::error_code & ec )
noexcept {
332 using base_type_t::base_type_t;
347 if( !try_turn_non_blocking_mode() )
360 (void)try_initiate_waiting_for_write_readiness();
364 const auto n = call_native_sendfile();
368 if( errno == EAGAIN || errno == EINTR )
370 if( !try_initiate_waiting_for_write_readiness() )
377 errno, asio_ns::error::get_system_category() },
387 (void)try_initiate_waiting_for_write_readiness();
A base runner of sendfile operation (keeps all the data).
after_sendfile_cb_t m_after_sendfile_cb
const file_size_t m_chunk_size
file_size_t m_remained_size
file_offset_t m_next_write_offset
file_descriptor_t m_file_descriptor
default_asio_executor m_executor
file_size_t m_transfered_size
RESTINIO_NODISCARD bool try_turn_non_blocking_mode() noexcept
sendfile_operation_runner_t(const sendfile_operation_runner_t &)=delete
void init_next_write() noexcept
RESTINIO_NODISCARD auto call_native_sendfile() noexcept
RESTINIO_NODISCARD bool try_initiate_waiting_for_write_readiness() noexcept
virtual void start() override
sendfile_operation_runner_t(sendfile_operation_runner_t &&)=delete
A runner of sendfile operation.
std::unique_ptr< char[] > m_buffer
auto make_async_write_handler() noexcept
Helper method for making a lambda for async_write completion handler.
virtual void start() override
sendfile_operation_runner_t(const sendfile_operation_runner_t &)=delete
sendfile_operation_runner_t & operator=(const sendfile_operation_runner_t &)=delete
void init_next_write() noexcept
sendfile_operation_runner_t(sendfile_operation_runner_t &&)=delete
#define RESTINIO_NODISCARD
sendfile_t sendfile(file_descriptor_holder_t fd, file_meta_t meta, file_size_t chunk_size=sendfile_default_chunk_size) noexcept
std::uint64_t file_size_t
@ async_write_call_failed
A call to async_write failed. The corresponding write operation wasn't done.
constexpr const_buffer_t const_buffer(const void *str, std::size_t size) noexcept
asio_ns::error_code make_asio_compaible_error(asio_convertible_error_t err) noexcept
Make restinio error_code compatible with asio_ns::error_code.