1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to 5 * deal in the Software without restriction, including without limitation the 6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 7 * sell copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 19 * IN THE SOFTWARE. 20 */ 21 22 #ifndef UV_WIN_INTERNAL_H_ 23 #define UV_WIN_INTERNAL_H_ 24 25 #include "uv.h" 26 #include "../uv-common.h" 27 28 #include "uv/tree.h" 29 #include "winapi.h" 30 #include "winsock.h" 31 32 #define UV_LOOP_MAGIC 0x700B700BU 33 34 #ifdef _MSC_VER 35 # define INLINE __inline 36 # define UV_THREAD_LOCAL __declspec( thread ) 37 #else 38 # define INLINE inline 39 # define UV_THREAD_LOCAL __thread 40 #endif 41 42 43 #ifdef _DEBUG 44 45 extern UV_THREAD_LOCAL int uv__crt_assert_enabled; 46 47 #define UV_BEGIN_DISABLE_CRT_ASSERT() \ 48 { \ 49 int uv__saved_crt_assert_enabled = uv__crt_assert_enabled; \ 50 uv__crt_assert_enabled = FALSE; 51 52 53 #define UV_END_DISABLE_CRT_ASSERT() \ 54 uv__crt_assert_enabled = uv__saved_crt_assert_enabled; \ 55 } 56 57 #else 58 #define UV_BEGIN_DISABLE_CRT_ASSERT() 59 #define UV_END_DISABLE_CRT_ASSERT() 60 #endif 61 62 /* 63 * TCP 64 */ 65 66 typedef enum { 67 UV__IPC_SOCKET_XFER_NONE = 0, 68 UV__IPC_SOCKET_XFER_TCP_CONNECTION, 69 UV__IPC_SOCKET_XFER_TCP_SERVER 70 } uv__ipc_socket_xfer_type_t; 71 72 typedef struct { 73 WSAPROTOCOL_INFOW socket_info; 74 uint32_t delayed_error; 75 } uv__ipc_socket_xfer_info_t; 76 77 int uv__tcp_listen(uv_tcp_t* handle, int backlog, uv_connection_cb cb); 78 int uv__tcp_accept(uv_tcp_t* server, uv_tcp_t* client); 79 int uv__tcp_read_start(uv_tcp_t* handle, uv_alloc_cb alloc_cb, 80 uv_read_cb read_cb); 81 int uv__tcp_write(uv_loop_t* loop, uv_write_t* req, uv_tcp_t* handle, 82 const uv_buf_t bufs[], unsigned int nbufs, uv_write_cb cb); 83 int uv__tcp_try_write(uv_tcp_t* handle, const uv_buf_t bufs[], 84 unsigned int nbufs); 85 86 void uv__process_tcp_read_req(uv_loop_t* loop, uv_tcp_t* handle, uv_req_t* req); 87 void uv__process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle, 88 uv_write_t* req); 89 void uv__process_tcp_accept_req(uv_loop_t* loop, uv_tcp_t* handle, 90 uv_req_t* req); 91 void uv__process_tcp_connect_req(uv_loop_t* loop, uv_tcp_t* handle, 92 uv_connect_t* req); 93 void uv__process_tcp_shutdown_req(uv_loop_t* loop, 94 uv_tcp_t* stream, 95 uv_shutdown_t* req); 96 97 void uv__tcp_close(uv_loop_t* loop, uv_tcp_t* tcp); 98 void uv__tcp_endgame(uv_loop_t* loop, uv_tcp_t* handle); 99 100 int uv__tcp_xfer_export(uv_tcp_t* handle, 101 int pid, 102 uv__ipc_socket_xfer_type_t* xfer_type, 103 uv__ipc_socket_xfer_info_t* xfer_info); 104 int uv__tcp_xfer_import(uv_tcp_t* tcp, 105 uv__ipc_socket_xfer_type_t xfer_type, 106 uv__ipc_socket_xfer_info_t* xfer_info); 107 108 109 /* 110 * UDP 111 */ 112 void uv__process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle, uv_req_t* req); 113 void uv__process_udp_send_req(uv_loop_t* loop, uv_udp_t* handle, 114 uv_udp_send_t* req); 115 116 void uv__udp_close(uv_loop_t* loop, uv_udp_t* handle); 117 void uv__udp_endgame(uv_loop_t* loop, uv_udp_t* handle); 118 119 120 /* 121 * Pipes 122 */ 123 int uv__create_stdio_pipe_pair(uv_loop_t* loop, 124 uv_pipe_t* parent_pipe, HANDLE* child_pipe_ptr, unsigned int flags); 125 126 int uv__pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb); 127 int uv__pipe_accept(uv_pipe_t* server, uv_stream_t* client); 128 int uv__pipe_read_start(uv_pipe_t* handle, uv_alloc_cb alloc_cb, 129 uv_read_cb read_cb); 130 void uv__pipe_read_stop(uv_pipe_t* handle); 131 int uv__pipe_write(uv_loop_t* loop, 132 uv_write_t* req, 133 uv_pipe_t* handle, 134 const uv_buf_t bufs[], 135 size_t nbufs, 136 uv_stream_t* send_handle, 137 uv_write_cb cb); 138 void uv__pipe_shutdown(uv_loop_t* loop, uv_pipe_t* handle, uv_shutdown_t* req); 139 140 void uv__process_pipe_read_req(uv_loop_t* loop, uv_pipe_t* handle, 141 uv_req_t* req); 142 void uv__process_pipe_write_req(uv_loop_t* loop, uv_pipe_t* handle, 143 uv_write_t* req); 144 void uv__process_pipe_accept_req(uv_loop_t* loop, uv_pipe_t* handle, 145 uv_req_t* raw_req); 146 void uv__process_pipe_connect_req(uv_loop_t* loop, uv_pipe_t* handle, 147 uv_connect_t* req); 148 void uv__process_pipe_shutdown_req(uv_loop_t* loop, uv_pipe_t* handle, 149 uv_shutdown_t* req); 150 151 void uv__pipe_close(uv_loop_t* loop, uv_pipe_t* handle); 152 void uv__pipe_endgame(uv_loop_t* loop, uv_pipe_t* handle); 153 154 155 /* 156 * TTY 157 */ 158 void uv__console_init(void); 159 160 int uv__tty_read_start(uv_tty_t* handle, uv_alloc_cb alloc_cb, 161 uv_read_cb read_cb); 162 int uv__tty_read_stop(uv_tty_t* handle); 163 int uv__tty_write(uv_loop_t* loop, uv_write_t* req, uv_tty_t* handle, 164 const uv_buf_t bufs[], unsigned int nbufs, uv_write_cb cb); 165 int uv__tty_try_write(uv_tty_t* handle, const uv_buf_t bufs[], 166 unsigned int nbufs); 167 void uv__tty_close(uv_tty_t* handle); 168 169 void uv__process_tty_read_req(uv_loop_t* loop, uv_tty_t* handle, 170 uv_req_t* req); 171 void uv__process_tty_write_req(uv_loop_t* loop, uv_tty_t* handle, 172 uv_write_t* req); 173 #define uv__process_tty_accept_req(loop, handle, req) abort() 174 #define uv__process_tty_connect_req(loop, handle, req) abort() 175 void uv__process_tty_shutdown_req(uv_loop_t* loop, 176 uv_tty_t* stream, 177 uv_shutdown_t* req); 178 void uv__tty_endgame(uv_loop_t* loop, uv_tty_t* handle); 179 180 181 /* 182 * Poll watchers 183 */ 184 void uv__process_poll_req(uv_loop_t* loop, uv_poll_t* handle, 185 uv_req_t* req); 186 187 int uv__poll_close(uv_loop_t* loop, uv_poll_t* handle); 188 void uv__poll_endgame(uv_loop_t* loop, uv_poll_t* handle); 189 190 191 /* 192 * Loop watchers 193 */ 194 void uv__loop_watcher_endgame(uv_loop_t* loop, uv_handle_t* handle); 195 196 void uv__prepare_invoke(uv_loop_t* loop); 197 void uv__check_invoke(uv_loop_t* loop); 198 void uv__idle_invoke(uv_loop_t* loop); 199 200 void uv__once_init(void); 201 202 203 /* 204 * Async watcher 205 */ 206 void uv__async_close(uv_loop_t* loop, uv_async_t* handle); 207 void uv__async_endgame(uv_loop_t* loop, uv_async_t* handle); 208 209 void uv__process_async_wakeup_req(uv_loop_t* loop, uv_async_t* handle, 210 uv_req_t* req); 211 212 213 /* 214 * Signal watcher 215 */ 216 void uv__signals_init(void); 217 int uv__signal_dispatch(int signum); 218 219 void uv__signal_close(uv_loop_t* loop, uv_signal_t* handle); 220 void uv__signal_endgame(uv_loop_t* loop, uv_signal_t* handle); 221 222 void uv__process_signal_req(uv_loop_t* loop, uv_signal_t* handle, 223 uv_req_t* req); 224 225 226 /* 227 * Spawn 228 */ 229 void uv__process_proc_exit(uv_loop_t* loop, uv_process_t* handle); 230 void uv__process_close(uv_loop_t* loop, uv_process_t* handle); 231 void uv__process_endgame(uv_loop_t* loop, uv_process_t* handle); 232 233 234 /* 235 * FS 236 */ 237 void uv__fs_init(void); 238 239 240 /* 241 * FS Event 242 */ 243 void uv__process_fs_event_req(uv_loop_t* loop, uv_req_t* req, 244 uv_fs_event_t* handle); 245 void uv__fs_event_close(uv_loop_t* loop, uv_fs_event_t* handle); 246 void uv__fs_event_endgame(uv_loop_t* loop, uv_fs_event_t* handle); 247 248 249 /* 250 * Stat poller. 251 */ 252 void uv__fs_poll_endgame(uv_loop_t* loop, uv_fs_poll_t* handle); 253 254 255 /* 256 * Utilities. 257 */ 258 void uv__util_init(void); 259 260 uint64_t uv__hrtime(unsigned int scale); 261 __declspec(noreturn) void uv_fatal_error(const int errorno, const char* syscall); 262 int uv__convert_utf16_to_utf8(const WCHAR* utf16, size_t utf16len, char** utf8); 263 int uv__copy_utf16_to_utf8(const WCHAR* utf16, size_t utf16len, char* utf8, size_t *size); 264 int uv__convert_utf8_to_utf16(const char* utf8, WCHAR** utf16); 265 266 typedef int (WINAPI *uv__peersockfunc)(SOCKET, struct sockaddr*, int*); 267 268 int uv__getsockpeername(const uv_handle_t* handle, 269 uv__peersockfunc func, 270 struct sockaddr* name, 271 int* namelen, 272 int delayed_error); 273 274 int uv__random_rtlgenrandom(void* buf, size_t buflen); 275 276 277 /* 278 * Process stdio handles. 279 */ 280 int uv__stdio_create(uv_loop_t* loop, 281 const uv_process_options_t* options, 282 BYTE** buffer_ptr); 283 void uv__stdio_destroy(BYTE* buffer); 284 void uv__stdio_noinherit(BYTE* buffer); 285 int uv__stdio_verify(BYTE* buffer, WORD size); 286 WORD uv__stdio_size(BYTE* buffer); 287 HANDLE uv__stdio_handle(BYTE* buffer, int fd); 288 289 290 /* 291 * Winapi and ntapi utility functions 292 */ 293 void uv__winapi_init(void); 294 295 296 /* 297 * Winsock utility functions 298 */ 299 void uv__winsock_init(void); 300 301 int uv__ntstatus_to_winsock_error(NTSTATUS status); 302 303 BOOL uv__get_acceptex_function(SOCKET socket, LPFN_ACCEPTEX* target); 304 BOOL uv__get_connectex_function(SOCKET socket, LPFN_CONNECTEX* target); 305 306 int WSAAPI uv__wsarecv_workaround(SOCKET socket, WSABUF* buffers, 307 DWORD buffer_count, DWORD* bytes, DWORD* flags, WSAOVERLAPPED *overlapped, 308 LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine); 309 int WSAAPI uv__wsarecvfrom_workaround(SOCKET socket, WSABUF* buffers, 310 DWORD buffer_count, DWORD* bytes, DWORD* flags, struct sockaddr* addr, 311 int* addr_len, WSAOVERLAPPED *overlapped, 312 LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine); 313 314 int WSAAPI uv__msafd_poll(SOCKET socket, AFD_POLL_INFO* info_in, 315 AFD_POLL_INFO* info_out, OVERLAPPED* overlapped); 316 317 /* Whether there are any non-IFS LSPs stacked on TCP */ 318 extern int uv_tcp_non_ifs_lsp_ipv4; 319 extern int uv_tcp_non_ifs_lsp_ipv6; 320 321 /* Ip address used to bind to any port at any interface */ 322 extern struct sockaddr_in uv_addr_ip4_any_; 323 extern struct sockaddr_in6 uv_addr_ip6_any_; 324 325 /* 326 * Wake all loops with fake message 327 */ 328 void uv__wake_all_loops(void); 329 330 /* 331 * Init system wake-up detection 332 */ 333 void uv__init_detect_system_wakeup(void); 334 335 #endif /* UV_WIN_INTERNAL_H_ */ 336