// // detail/socket_ops.hpp // ~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2016 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) // #ifndef BOOST_ASIO_DETAIL_SOCKET_OPS_HPP #define BOOST_ASIO_DETAIL_SOCKET_OPS_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> #include <boost/system/error_code.hpp> #include <boost/asio/detail/shared_ptr.hpp> #include <boost/asio/detail/socket_types.hpp> #include <boost/asio/detail/weak_ptr.hpp> #include <boost/asio/detail/push_options.hpp> namespace boost { namespace asio { namespace detail { namespace socket_ops { // Socket state bits. enum { // The user wants a non-blocking socket. user_set_non_blocking = 1, // The socket has been set non-blocking. internal_non_blocking = 2, // Helper "state" used to determine whether the socket is non-blocking. non_blocking = user_set_non_blocking | internal_non_blocking, // User wants connection_aborted errors, which are disabled by default. enable_connection_aborted = 4, // The user set the linger option. Needs to be checked when closing. user_set_linger = 8, // The socket is stream-oriented. stream_oriented = 16, // The socket is datagram-oriented. datagram_oriented = 32, // The socket may have been dup()-ed. possible_dup = 64 }; typedef unsigned char state_type; struct noop_deleter { void operator()(void*) {} }; typedef shared_ptr<void> shared_cancel_token_type; typedef weak_ptr<void> weak_cancel_token_type; #if !defined(BOOST_ASIO_WINDOWS_RUNTIME) BOOST_ASIO_DECL socket_type accept(socket_type s, socket_addr_type* addr, std::size_t* addrlen, boost::system::error_code& ec); BOOST_ASIO_DECL socket_type sync_accept(socket_type s, state_type state, socket_addr_type* addr, std::size_t* addrlen, boost::system::error_code& ec); #if defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL void complete_iocp_accept(socket_type s, void* output_buffer, DWORD address_length, socket_addr_type* addr, std::size_t* addrlen, socket_type new_socket, boost::system::error_code& ec); #else // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL bool non_blocking_accept(socket_type s, state_type state, socket_addr_type* addr, std::size_t* addrlen, boost::system::error_code& ec, socket_type& new_socket); #endif // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL int bind(socket_type s, const socket_addr_type* addr, std::size_t addrlen, boost::system::error_code& ec); BOOST_ASIO_DECL int close(socket_type s, state_type& state, bool destruction, boost::system::error_code& ec); BOOST_ASIO_DECL bool set_user_non_blocking(socket_type s, state_type& state, bool value, boost::system::error_code& ec); BOOST_ASIO_DECL bool set_internal_non_blocking(socket_type s, state_type& state, bool value, boost::system::error_code& ec); BOOST_ASIO_DECL int shutdown(socket_type s, int what, boost::system::error_code& ec); BOOST_ASIO_DECL int connect(socket_type s, const socket_addr_type* addr, std::size_t addrlen, boost::system::error_code& ec); BOOST_ASIO_DECL void sync_connect(socket_type s, const socket_addr_type* addr, std::size_t addrlen, boost::system::error_code& ec); #if defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL void complete_iocp_connect(socket_type s, boost::system::error_code& ec); #endif // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL bool non_blocking_connect(socket_type s, boost::system::error_code& ec); BOOST_ASIO_DECL int socketpair(int af, int type, int protocol, socket_type sv[2], boost::system::error_code& ec); BOOST_ASIO_DECL bool sockatmark(socket_type s, boost::system::error_code& ec); BOOST_ASIO_DECL size_t available(socket_type s, boost::system::error_code& ec); BOOST_ASIO_DECL int listen(socket_type s, int backlog, boost::system::error_code& ec); #if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__) typedef WSABUF buf; #else // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__) typedef iovec buf; #endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__) BOOST_ASIO_DECL void init_buf(buf& b, void* data, size_t size); BOOST_ASIO_DECL void init_buf(buf& b, const void* data, size_t size); BOOST_ASIO_DECL signed_size_type recv(socket_type s, buf* bufs, size_t count, int flags, boost::system::error_code& ec); BOOST_ASIO_DECL size_t sync_recv(socket_type s, state_type state, buf* bufs, size_t count, int flags, bool all_empty, boost::system::error_code& ec); #if defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL void complete_iocp_recv(state_type state, const weak_cancel_token_type& cancel_token, bool all_empty, boost::system::error_code& ec, size_t bytes_transferred); #else // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL bool non_blocking_recv(socket_type s, buf* bufs, size_t count, int flags, bool is_stream, boost::system::error_code& ec, size_t& bytes_transferred); #endif // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL signed_size_type recvfrom(socket_type s, buf* bufs, size_t count, int flags, socket_addr_type* addr, std::size_t* addrlen, boost::system::error_code& ec); BOOST_ASIO_DECL size_t sync_recvfrom(socket_type s, state_type state, buf* bufs, size_t count, int flags, socket_addr_type* addr, std::size_t* addrlen, boost::system::error_code& ec); #if defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL void complete_iocp_recvfrom( const weak_cancel_token_type& cancel_token, boost::system::error_code& ec); #else // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL bool non_blocking_recvfrom(socket_type s, buf* bufs, size_t count, int flags, socket_addr_type* addr, std::size_t* addrlen, boost::system::error_code& ec, size_t& bytes_transferred); #endif // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL signed_size_type recvmsg(socket_type s, buf* bufs, size_t count, int in_flags, int& out_flags, boost::system::error_code& ec); BOOST_ASIO_DECL size_t sync_recvmsg(socket_type s, state_type state, buf* bufs, size_t count, int in_flags, int& out_flags, boost::system::error_code& ec); #if defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL void complete_iocp_recvmsg( const weak_cancel_token_type& cancel_token, boost::system::error_code& ec); #else // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL bool non_blocking_recvmsg(socket_type s, buf* bufs, size_t count, int in_flags, int& out_flags, boost::system::error_code& ec, size_t& bytes_transferred); #endif // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL signed_size_type send(socket_type s, const buf* bufs, size_t count, int flags, boost::system::error_code& ec); BOOST_ASIO_DECL size_t sync_send(socket_type s, state_type state, const buf* bufs, size_t count, int flags, bool all_empty, boost::system::error_code& ec); #if defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL void complete_iocp_send( const weak_cancel_token_type& cancel_token, boost::system::error_code& ec); #else // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL bool non_blocking_send(socket_type s, const buf* bufs, size_t count, int flags, boost::system::error_code& ec, size_t& bytes_transferred); #endif // defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL signed_size_type sendto(socket_type s, const buf* bufs, size_t count, int flags, const socket_addr_type* addr, std::size_t addrlen, boost::system::error_code& ec); BOOST_ASIO_DECL size_t sync_sendto(socket_type s, state_type state, const buf* bufs, size_t count, int flags, const socket_addr_type* addr, std::size_t addrlen, boost::system::error_code& ec); #if !defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL bool non_blocking_sendto(socket_type s, const buf* bufs, size_t count, int flags, const socket_addr_type* addr, std::size_t addrlen, boost::system::error_code& ec, size_t& bytes_transferred); #endif // !defined(BOOST_ASIO_HAS_IOCP) BOOST_ASIO_DECL socket_type socket(int af, int type, int protocol, boost::system::error_code& ec); BOOST_ASIO_DECL int setsockopt(socket_type s, state_type& state, int level, int optname, const void* optval, std::size_t optlen, boost::system::error_code& ec); BOOST_ASIO_DECL int getsockopt(socket_type s, state_type state, int level, int optname, void* optval, size_t* optlen, boost::system::error_code& ec); BOOST_ASIO_DECL int getpeername(socket_type s, socket_addr_type* addr, std::size_t* addrlen, bool cached, boost::system::error_code& ec); BOOST_ASIO_DECL int getsockname(socket_type s, socket_addr_type* addr, std::size_t* addrlen, boost::system::error_code& ec); BOOST_ASIO_DECL int ioctl(socket_type s, state_type& state, int cmd, ioctl_arg_type* arg, boost::system::error_code& ec); BOOST_ASIO_DECL int select(int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfds, timeval* timeout, boost::system::error_code& ec); BOOST_ASIO_DECL int poll_read(socket_type s, state_type state, boost::system::error_code& ec); BOOST_ASIO_DECL int poll_write(socket_type s, state_type state, boost::system::error_code& ec); BOOST_ASIO_DECL int poll_connect(socket_type s, boost::system::error_code& ec); #endif // !defined(BOOST_ASIO_WINDOWS_RUNTIME) BOOST_ASIO_DECL const char* inet_ntop(int af, const void* src, char* dest, size_t length, unsigned long scope_id, boost::system::error_code& ec); BOOST_ASIO_DECL int inet_pton(int af, const char* src, void* dest, unsigned long* scope_id, boost::system::error_code& ec); BOOST_ASIO_DECL int gethostname(char* name, int namelen, boost::system::error_code& ec); #if !defined(BOOST_ASIO_WINDOWS_RUNTIME) BOOST_ASIO_DECL boost::system::error_code getaddrinfo(const char* host, const char* service, const addrinfo_type& hints, addrinfo_type** result, boost::system::error_code& ec); BOOST_ASIO_DECL boost::system::error_code background_getaddrinfo( const weak_cancel_token_type& cancel_token, const char* host, const char* service, const addrinfo_type& hints, addrinfo_type** result, boost::system::error_code& ec); BOOST_ASIO_DECL void freeaddrinfo(addrinfo_type* ai); BOOST_ASIO_DECL boost::system::error_code getnameinfo( const socket_addr_type* addr, std::size_t addrlen, char* host, std::size_t hostlen, char* serv, std::size_t servlen, int flags, boost::system::error_code& ec); BOOST_ASIO_DECL boost::system::error_code sync_getnameinfo( const socket_addr_type* addr, std::size_t addrlen, char* host, std::size_t hostlen, char* serv, std::size_t servlen, int sock_type, boost::system::error_code& ec); BOOST_ASIO_DECL boost::system::error_code background_getnameinfo( const weak_cancel_token_type& cancel_token, const socket_addr_type* addr, std::size_t addrlen, char* host, std::size_t hostlen, char* serv, std::size_t servlen, int sock_type, boost::system::error_code& ec); #endif // !defined(BOOST_ASIO_WINDOWS_RUNTIME) BOOST_ASIO_DECL u_long_type network_to_host_long(u_long_type value); BOOST_ASIO_DECL u_long_type host_to_network_long(u_long_type value); BOOST_ASIO_DECL u_short_type network_to_host_short(u_short_type value); BOOST_ASIO_DECL u_short_type host_to_network_short(u_short_type value); } // namespace socket_ops } // namespace detail } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #if defined(BOOST_ASIO_HEADER_ONLY) # include <boost/asio/detail/impl/socket_ops.ipp> #endif // defined(BOOST_ASIO_HEADER_ONLY) #endif // BOOST_ASIO_DETAIL_SOCKET_OPS_HPP