1 // 2 // detail/socket_ops.hpp 3 // ~~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com) 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 // 10 11 #ifndef ASIO_DETAIL_SOCKET_OPS_HPP 12 #define ASIO_DETAIL_SOCKET_OPS_HPP 13 14 15 #include "asio/detail/config.hpp" 16 17 #include "asio/error_code.hpp" 18 #include "asio/detail/shared_ptr.hpp" 19 #include "asio/detail/socket_types.hpp" 20 #include "asio/detail/weak_ptr.hpp" 21 22 #include "asio/detail/push_options.hpp" 23 24 namespace asio { 25 namespace detail { 26 namespace socket_ops { 27 28 // Socket state bits. 29 enum 30 { 31 // The user wants a non-blocking socket. 32 user_set_non_blocking = 1, 33 34 // The socket has been set non-blocking. 35 internal_non_blocking = 2, 36 37 // Helper "state" used to determine whether the socket is non-blocking. 38 non_blocking = user_set_non_blocking | internal_non_blocking, 39 40 // User wants connection_aborted errors, which are disabled by default. 41 enable_connection_aborted = 4, 42 43 // The user set the linger option. Needs to be checked when closing. 44 user_set_linger = 8, 45 46 // The socket is stream-oriented. 47 stream_oriented = 16, 48 49 // The socket is datagram-oriented. 50 datagram_oriented = 32, 51 52 // The socket may have been dup()-ed. 53 possible_dup = 64 54 }; 55 56 typedef unsigned char state_type; 57 58 struct noop_deleter { void operator()(void*) {} }; 59 typedef shared_ptr<void> shared_cancel_token_type; 60 typedef weak_ptr<void> weak_cancel_token_type; 61 62 63 ASIO_DECL socket_type accept(socket_type s, socket_addr_type* addr, 64 std::size_t* addrlen, asio::error_code& ec); 65 66 ASIO_DECL socket_type sync_accept(socket_type s, 67 state_type state, socket_addr_type* addr, 68 std::size_t* addrlen, asio::error_code& ec); 69 70 71 ASIO_DECL bool non_blocking_accept(socket_type s, 72 state_type state, socket_addr_type* addr, std::size_t* addrlen, 73 asio::error_code& ec, socket_type& new_socket); 74 75 76 ASIO_DECL int bind(socket_type s, const socket_addr_type* addr, 77 std::size_t addrlen, asio::error_code& ec); 78 79 ASIO_DECL int close(socket_type s, state_type& state, 80 bool destruction, asio::error_code& ec); 81 82 ASIO_DECL bool set_user_non_blocking(socket_type s, 83 state_type& state, bool value, asio::error_code& ec); 84 85 ASIO_DECL bool set_internal_non_blocking(socket_type s, 86 state_type& state, bool value, asio::error_code& ec); 87 88 ASIO_DECL int shutdown(socket_type s, 89 int what, asio::error_code& ec); 90 91 ASIO_DECL int connect(socket_type s, const socket_addr_type* addr, 92 std::size_t addrlen, asio::error_code& ec); 93 94 ASIO_DECL void sync_connect(socket_type s, const socket_addr_type* addr, 95 std::size_t addrlen, asio::error_code& ec); 96 97 98 ASIO_DECL bool non_blocking_connect(socket_type s, 99 asio::error_code& ec); 100 101 ASIO_DECL int socketpair(int af, int type, int protocol, 102 socket_type sv[2], asio::error_code& ec); 103 104 ASIO_DECL bool sockatmark(socket_type s, asio::error_code& ec); 105 106 ASIO_DECL size_t available(socket_type s, asio::error_code& ec); 107 108 ASIO_DECL int listen(socket_type s, 109 int backlog, asio::error_code& ec); 110 111 typedef iovec buf; 112 113 ASIO_DECL void init_buf(buf& b, void* data, size_t size); 114 115 ASIO_DECL void init_buf(buf& b, const void* data, size_t size); 116 117 ASIO_DECL signed_size_type recv(socket_type s, buf* bufs, 118 size_t count, int flags, asio::error_code& ec); 119 120 ASIO_DECL size_t sync_recv(socket_type s, state_type state, buf* bufs, 121 size_t count, int flags, bool all_empty, asio::error_code& ec); 122 123 124 ASIO_DECL bool non_blocking_recv(socket_type s, 125 buf* bufs, size_t count, int flags, bool is_stream, 126 asio::error_code& ec, size_t& bytes_transferred); 127 128 129 ASIO_DECL signed_size_type recvfrom(socket_type s, buf* bufs, 130 size_t count, int flags, socket_addr_type* addr, 131 std::size_t* addrlen, asio::error_code& ec); 132 133 ASIO_DECL size_t sync_recvfrom(socket_type s, state_type state, 134 buf* bufs, size_t count, int flags, socket_addr_type* addr, 135 std::size_t* addrlen, asio::error_code& ec); 136 137 138 ASIO_DECL bool non_blocking_recvfrom(socket_type s, 139 buf* bufs, size_t count, int flags, 140 socket_addr_type* addr, std::size_t* addrlen, 141 asio::error_code& ec, size_t& bytes_transferred); 142 143 144 ASIO_DECL signed_size_type recvmsg(socket_type s, buf* bufs, 145 size_t count, int in_flags, int& out_flags, 146 asio::error_code& ec); 147 148 ASIO_DECL size_t sync_recvmsg(socket_type s, state_type state, 149 buf* bufs, size_t count, int in_flags, int& out_flags, 150 asio::error_code& ec); 151 152 153 ASIO_DECL bool non_blocking_recvmsg(socket_type s, 154 buf* bufs, size_t count, int in_flags, int& out_flags, 155 asio::error_code& ec, size_t& bytes_transferred); 156 157 158 ASIO_DECL signed_size_type send(socket_type s, const buf* bufs, 159 size_t count, int flags, asio::error_code& ec); 160 161 ASIO_DECL size_t sync_send(socket_type s, state_type state, 162 const buf* bufs, size_t count, int flags, 163 bool all_empty, asio::error_code& ec); 164 165 166 ASIO_DECL bool non_blocking_send(socket_type s, 167 const buf* bufs, size_t count, int flags, 168 asio::error_code& ec, size_t& bytes_transferred); 169 170 171 ASIO_DECL signed_size_type sendto(socket_type s, const buf* bufs, 172 size_t count, int flags, const socket_addr_type* addr, 173 std::size_t addrlen, asio::error_code& ec); 174 175 ASIO_DECL size_t sync_sendto(socket_type s, state_type state, 176 const buf* bufs, size_t count, int flags, const socket_addr_type* addr, 177 std::size_t addrlen, asio::error_code& ec); 178 179 180 ASIO_DECL bool non_blocking_sendto(socket_type s, 181 const buf* bufs, size_t count, int flags, 182 const socket_addr_type* addr, std::size_t addrlen, 183 asio::error_code& ec, size_t& bytes_transferred); 184 185 186 ASIO_DECL socket_type socket(int af, int type, int protocol, 187 asio::error_code& ec); 188 189 ASIO_DECL int setsockopt(socket_type s, state_type& state, 190 int level, int optname, const void* optval, 191 std::size_t optlen, asio::error_code& ec); 192 193 ASIO_DECL int getsockopt(socket_type s, state_type state, 194 int level, int optname, void* optval, 195 size_t* optlen, asio::error_code& ec); 196 197 ASIO_DECL int getpeername(socket_type s, socket_addr_type* addr, 198 std::size_t* addrlen, bool cached, asio::error_code& ec); 199 200 ASIO_DECL int getsockname(socket_type s, socket_addr_type* addr, 201 std::size_t* addrlen, asio::error_code& ec); 202 203 ASIO_DECL int ioctl(socket_type s, state_type& state, 204 int cmd, ioctl_arg_type* arg, asio::error_code& ec); 205 206 ASIO_DECL int select(int nfds, fd_set* readfds, fd_set* writefds, 207 fd_set* exceptfds, timeval* timeout, asio::error_code& ec); 208 209 ASIO_DECL int poll_read(socket_type s, 210 state_type state, asio::error_code& ec); 211 212 ASIO_DECL int poll_write(socket_type s, 213 state_type state, asio::error_code& ec); 214 215 ASIO_DECL int poll_connect(socket_type s, asio::error_code& ec); 216 217 218 ASIO_DECL const char* inet_ntop(int af, const void* src, char* dest, 219 size_t length, unsigned long scope_id, asio::error_code& ec); 220 221 ASIO_DECL int inet_pton(int af, const char* src, void* dest, 222 unsigned long* scope_id, asio::error_code& ec); 223 224 ASIO_DECL int gethostname(char* name, 225 int namelen, asio::error_code& ec); 226 227 228 ASIO_DECL asio::error_code getaddrinfo(const char* host, 229 const char* service, const addrinfo_type& hints, 230 addrinfo_type** result, asio::error_code& ec); 231 232 ASIO_DECL asio::error_code background_getaddrinfo( 233 const weak_cancel_token_type& cancel_token, const char* host, 234 const char* service, const addrinfo_type& hints, 235 addrinfo_type** result, asio::error_code& ec); 236 237 ASIO_DECL void freeaddrinfo(addrinfo_type* ai); 238 239 ASIO_DECL asio::error_code getnameinfo( 240 const socket_addr_type* addr, std::size_t addrlen, 241 char* host, std::size_t hostlen, char* serv, 242 std::size_t servlen, int flags, asio::error_code& ec); 243 244 ASIO_DECL asio::error_code sync_getnameinfo( 245 const socket_addr_type* addr, std::size_t addrlen, 246 char* host, std::size_t hostlen, char* serv, 247 std::size_t servlen, int sock_type, asio::error_code& ec); 248 249 ASIO_DECL asio::error_code background_getnameinfo( 250 const weak_cancel_token_type& cancel_token, 251 const socket_addr_type* addr, std::size_t addrlen, 252 char* host, std::size_t hostlen, char* serv, 253 std::size_t servlen, int sock_type, asio::error_code& ec); 254 255 256 ASIO_DECL u_long_type network_to_host_long(u_long_type value); 257 258 ASIO_DECL u_long_type host_to_network_long(u_long_type value); 259 260 ASIO_DECL u_short_type network_to_host_short(u_short_type value); 261 262 ASIO_DECL u_short_type host_to_network_short(u_short_type value); 263 264 } // namespace socket_ops 265 } // namespace detail 266 } // namespace asio 267 268 #include "asio/detail/pop_options.hpp" 269 270 # include "asio/detail/impl/socket_ops.ipp" 271 272 #endif // ASIO_DETAIL_SOCKET_OPS_HPP 273
