mirror of https://github.com/lukechilds/node.git
Bert Belder
14 years ago
9 changed files with 2 additions and 532 deletions
@ -1,473 +0,0 @@ |
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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/*
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* This file contains all winsock-related stuff. |
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* Socketpair() for winsock is implemented here. |
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* There are also functions to create a non-overlapped socket (which windows normally doesn't do) |
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* and to create a socketpair that has one synchronous and one async socket. |
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* Synchronous sockets are required because async sockets can't be used by child processes. |
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*/ |
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#include <platform_win32_winsock.h> |
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namespace node { |
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/*
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* Guids and typedefs for winsock extension functions |
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* Mingw32 doesn't have these :-( |
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*/ |
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#ifndef WSAID_ACCEPTEX |
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const GUID WSAID_ACCEPTEX = |
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{0xb5367df1, 0xcbac, 0x11cf, {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}; |
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const GUID WSAID_CONNECTEX = |
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{0x25a207b9, 0xddf3, 0x4660, {0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e}}; |
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const GUID WSAID_GETACCEPTEXSOCKADDRS = |
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{0xb5367df2, 0xcbac, 0x11cf, {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}; |
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const GUID WSAID_DISCONNECTEX = |
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{0x7fda2e11, 0x8630, 0x436f, {0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}; |
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const GUID WSAID_TRANSMITFILE = |
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{0xb5367df0, 0xcbac, 0x11cf, {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}; |
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typedef BOOL(*LPFN_ACCEPTEX) |
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(SOCKET sListenSocket, |
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SOCKET sAcceptSocket, |
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PVOID lpOutputBuffer, |
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DWORD dwReceiveDataLength, |
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DWORD dwLocalAddressLength, |
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DWORD dwRemoteAddressLength, |
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LPDWORD lpdwBytesReceived, |
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LPOVERLAPPED lpOverlapped); |
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typedef BOOL(*LPFN_CONNECTEX) |
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(SOCKET s, |
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const struct sockaddr *name, |
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int namelen, |
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PVOID lpSendBuffer, |
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DWORD dwSendDataLength, |
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LPDWORD lpdwBytesSent, |
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LPOVERLAPPED lpOverlapped); |
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typedef void(*LPFN_GETACCEPTEXSOCKADDRS) |
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(PVOID lpOutputBuffer, |
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DWORD dwReceiveDataLength, |
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DWORD dwLocalAddressLength, |
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DWORD dwRemoteAddressLength, |
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LPSOCKADDR *LocalSockaddr, |
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LPINT LocalSockaddrLength, |
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LPSOCKADDR *RemoteSockaddr, |
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LPINT RemoteSockaddrLength); |
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typedef BOOL(*LPFN_DISCONNECTEX) |
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(SOCKET hSocket, |
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LPOVERLAPPED lpOverlapped, |
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DWORD dwFlags, |
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DWORD reserved); |
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typedef BOOL(*LPFN_TRANSMITFILE) |
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(SOCKET hSocket, |
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HANDLE hFile, |
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DWORD nNumberOfBytesToWrite, |
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DWORD nNumberOfBytesPerSend, |
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LPOVERLAPPED lpOverlapped, |
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LPTRANSMIT_FILE_BUFFERS lpTransmitBuffers, |
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DWORD dwFlags); |
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#endif |
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/*
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* Winsock version data goes here |
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*/ |
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static WSAData winsock_info; |
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/*
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* Cache for WSAPROTOCOL_INFOW structures for protocols used in node |
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* [0] TCP/IP |
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* [1] UDP/IP |
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* [2] TCP/IPv6 |
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* [3] UDP/IPv6 |
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*/ |
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static WSAPROTOCOL_INFOW proto_info_cache[4]; |
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/*
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* Pointers to winsock extension functions that have to be retrieved dynamically |
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*/ |
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static struct WINSOCK_EXTENSION_FUNCTIONS { |
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//LPFN_CONNECTEX ConnectEx;
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//LPFN_ACCEPTEX AcceptEx;
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//LPFN_GETACCEPTEXSOCKADDRS GetAcceptExSockAddrs;
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LPFN_DISCONNECTEX DisconnectEx; |
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//LPFN_TRANSMITFILE TransmitFile;
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} wsexf; |
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/*
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* Does the about the same as perror(), but for winsock errors |
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*/ |
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void wsa_perror(const char *prefix) { |
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DWORD errorno = WSAGetLastError(); |
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const char *errmsg = NULL; |
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | |
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FORMAT_MESSAGE_IGNORE_INSERTS, NULL, errorno, |
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&errmsg, 0, NULL); |
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if (!errmsg) { |
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errmsg = "Unknown error\n"; |
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} |
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// FormatMessage messages include a newline character
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if (prefix) { |
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fprintf(stderr, "%s: %s", prefix, errmsg); |
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} else { |
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fputs(errmsg, stderr); |
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} |
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} |
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/*
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* Retrieves a pointer to a WSAPROTOCOL_INFOW structure |
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* related to a certain winsock protocol from the cache |
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*/ |
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inline static WSAPROTOCOL_INFOW *wsa_get_cached_proto_info(int af, int type, int proto) { |
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assert(proto == IPPROTO_IP |
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|| proto == IPPROTO_TCP |
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|| proto == IPPROTO_UDP); |
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switch (af) { |
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case AF_INET: |
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switch (type) { |
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case SOCK_STREAM: |
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return &proto_info_cache[0]; |
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case SOCK_DGRAM: |
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return &proto_info_cache[1]; |
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} |
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break; |
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case AF_INET6: |
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switch (type) { |
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case SOCK_STREAM: |
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return &proto_info_cache[2]; |
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case SOCK_DGRAM: |
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return &proto_info_cache[3]; |
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} |
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break; |
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} |
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WSASetLastError(WSAEPROTONOSUPPORT); |
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return NULL; |
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} |
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/*
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* Creates a synchronous, non-overlapped socket. |
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* (The sockets that are created with socket() or accept() are always in overlapped mode.) |
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* Doubles the winsock api, e.g. returns a SOCKET handle, not an FD |
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*/ |
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SOCKET wsa_sync_socket(int af, int type, int proto) { |
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WSAPROTOCOL_INFOW *protoInfo = wsa_get_cached_proto_info(af, type, proto); |
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if (protoInfo == NULL) |
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return INVALID_SOCKET; |
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return WSASocketW(af, type, proto, protoInfo, 0, 0); |
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} |
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/*
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* Create a socketpair using the protocol specified |
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* This function uses winsock semantics, it returns SOCKET handles, not FDs |
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* Currently supports TCP/IPv4 socket pairs only |
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*/ |
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int wsa_socketpair(int af, int type, int proto, SOCKET sock[2]) { |
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assert(af == AF_INET |
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&& type == SOCK_STREAM |
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&& (proto == IPPROTO_IP || proto == IPPROTO_TCP)); |
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SOCKET listen_sock; |
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SOCKADDR_IN addr1; |
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SOCKADDR_IN addr2; |
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int addr1_len = sizeof (addr1); |
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int addr2_len = sizeof (addr2); |
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sock[1] = INVALID_SOCKET; |
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sock[2] = INVALID_SOCKET; |
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if ((listen_sock = socket(af, type, proto)) == INVALID_SOCKET) |
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goto error; |
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memset((void*)&addr1, 0, sizeof(addr1)); |
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addr1.sin_family = af; |
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addr1.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
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addr1.sin_port = 0; |
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if (bind(listen_sock, (SOCKADDR*)&addr1, addr1_len) == SOCKET_ERROR) |
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goto error; |
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if (getsockname(listen_sock, (SOCKADDR*)&addr1, &addr1_len) == SOCKET_ERROR) |
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goto error; |
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if (listen(listen_sock, 1)) |
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goto error; |
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if ((sock[0] = socket(af, type, proto)) == INVALID_SOCKET) |
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goto error; |
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if (connect(sock[0], (SOCKADDR*)&addr1, addr1_len)) |
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goto error; |
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if ((sock[1] = accept(listen_sock, 0, 0)) == INVALID_SOCKET) |
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goto error; |
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if (getpeername(sock[0], (SOCKADDR*)&addr1, &addr1_len) == SOCKET_ERROR) |
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goto error; |
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if (getsockname(sock[1], (SOCKADDR*)&addr2, &addr2_len) == SOCKET_ERROR) |
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goto error; |
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if (addr1_len != addr2_len |
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|| addr1.sin_addr.s_addr != addr2.sin_addr.s_addr |
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|| addr1.sin_port != addr2.sin_port) |
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goto error; |
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closesocket(listen_sock); |
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return 0; |
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error: |
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int error = WSAGetLastError(); |
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if (listen_sock != INVALID_SOCKET) |
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closesocket(listen_sock); |
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if (sock[0] != INVALID_SOCKET) |
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closesocket(sock[0]); |
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if (sock[1] != INVALID_SOCKET) |
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closesocket(sock[1]); |
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WSASetLastError(error); |
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return SOCKET_ERROR; |
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} |
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/*
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* Create a sync-async socketpair using the protocol specified, |
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* returning a synchronous socket and an asynchronous socket. |
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* Upon completion asyncSocket is opened with the WSA_FLAG_OVERLAPPED flag set, |
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* syncSocket won't have it set. |
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* Currently supports TCP/IPv4 socket pairs only |
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*/ |
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int wsa_sync_async_socketpair(int af, int type, int proto, SOCKET *syncSocket, SOCKET *asyncSocket) { |
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assert(af == AF_INET |
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&& type == SOCK_STREAM |
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&& (proto == IPPROTO_IP || proto == IPPROTO_TCP)); |
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SOCKET listen_sock; |
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SOCKET sock1 = INVALID_SOCKET; |
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SOCKET sock2 = INVALID_SOCKET; |
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SOCKADDR_IN addr1; |
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SOCKADDR_IN addr2; |
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int addr1_len = sizeof (addr1); |
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int addr2_len = sizeof (addr2); |
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if ((listen_sock = socket(af, type, proto)) == INVALID_SOCKET) |
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goto error; |
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memset((void*)&addr1, 0, sizeof(addr1)); |
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addr1.sin_family = af; |
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addr1.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
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addr1.sin_port = 0; |
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if (bind(listen_sock, (SOCKADDR*)&addr1, addr1_len) == SOCKET_ERROR) |
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goto error; |
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if (getsockname(listen_sock, (SOCKADDR*)&addr1, &addr1_len) == SOCKET_ERROR) |
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goto error; |
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if (listen(listen_sock, 1)) |
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goto error; |
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if ((sock1 = wsa_sync_socket(af, type, proto)) == INVALID_SOCKET) |
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goto error; |
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if (connect(sock1, (SOCKADDR*)&addr1, addr1_len)) |
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goto error; |
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if ((sock2 = accept(listen_sock, 0, 0)) == INVALID_SOCKET) |
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goto error; |
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if (getpeername(sock1, (SOCKADDR*)&addr1, &addr1_len) == SOCKET_ERROR) |
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goto error; |
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if (getsockname(sock2, (SOCKADDR*)&addr2, &addr2_len) == SOCKET_ERROR) |
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goto error; |
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if (addr1_len != addr2_len |
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|| addr1.sin_addr.s_addr != addr2.sin_addr.s_addr |
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|| addr1.sin_port != addr2.sin_port) |
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goto error; |
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closesocket(listen_sock); |
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*syncSocket = sock1; |
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*asyncSocket = sock2; |
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return 0; |
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error: |
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int error = WSAGetLastError(); |
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if (listen_sock != INVALID_SOCKET) |
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closesocket(listen_sock); |
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if (sock1 != INVALID_SOCKET) |
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closesocket(sock1); |
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if (sock2 != INVALID_SOCKET) |
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closesocket(sock2); |
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WSASetLastError(error); |
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return SOCKET_ERROR; |
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} |
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/*
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* Retrieves a WSAPROTOCOL_INFOW structure for a certain protocol |
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*/ |
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static void wsa_get_proto_info(int af, int type, int proto, WSAPROTOCOL_INFOW *target) { |
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WSAPROTOCOL_INFOW *info_buffer = NULL; |
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unsigned long info_buffer_length = 0; |
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int protocol_count, i, error; |
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if (WSCEnumProtocols(NULL, NULL, &info_buffer_length, &error) != SOCKET_ERROR) { |
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error = WSAEOPNOTSUPP; |
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goto error; |
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} |
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info_buffer = (WSAPROTOCOL_INFOW *)malloc(info_buffer_length); |
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if ((protocol_count = WSCEnumProtocols(NULL, info_buffer, &info_buffer_length, &error)) == SOCKET_ERROR) |
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goto error; |
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for (i = 0; i < protocol_count; i++) { |
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if (af == info_buffer[i].iAddressFamily |
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&& type == info_buffer[i].iSocketType |
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&& proto == info_buffer[i].iProtocol |
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&& info_buffer[i].dwServiceFlags1 & XP1_IFS_HANDLES) { |
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memcpy(target, (WSAPROTOCOL_INFOW*)&info_buffer[i], sizeof(WSAPROTOCOL_INFOW)); |
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free(info_buffer); |
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return; |
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} |
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} |
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error = WSAEPROTONOSUPPORT; |
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error: |
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WSASetLastError(error); |
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wsa_perror("Error obtaining winsock protocol information"); |
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if (info_buffer != NULL) { |
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free(info_buffer); |
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} |
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} |
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/*
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* Initializes (fills) the WSAPROTOCOL_INFOW structure cache |
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*/ |
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static void wsa_init_proto_info_cache() { |
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wsa_get_proto_info(AF_INET, SOCK_STREAM, IPPROTO_TCP, &proto_info_cache[0]); |
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wsa_get_proto_info(AF_INET, SOCK_DGRAM, IPPROTO_UDP, &proto_info_cache[1]); |
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//wsa_get_proto_info(AF_INET6, SOCK_STREAM, IPPROTO_TCP, &proto_info_cache[2]);
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//wsa_get_proto_info(AF_INET6, SOCK_DGRAM, IPPROTO_UDP, &proto_info_cache[3]);
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} |
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/*
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* Gets the pointer to a winsock extension function |
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*/ |
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inline static void wsa_get_extension_function(SOCKET socket, GUID guid, void **target) { |
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DWORD bytes; |
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|
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if (WSAIoctl(socket, |
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SIO_GET_EXTENSION_FUNCTION_POINTER, |
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&guid, |
|
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sizeof(guid), |
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(void*)target, |
|
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sizeof(*target), |
|
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&bytes, |
|
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NULL, |
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NULL) == SOCKET_ERROR) { |
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|
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*target = NULL; |
|
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wsa_perror("WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER)"); |
|
||||
} |
|
||||
} |
|
||||
|
|
||||
|
|
||||
/*
|
|
||||
* Retrieves the needed winsock extension function pointers for the tcp/ip subsystem, |
|
||||
* storing them in the `wsexf` cache |
|
||||
*/ |
|
||||
/*
|
|
||||
inline static void wsa_init_extension_functions() { |
|
||||
SOCKET dummy = socket(AF_INET, SOCK_STREAM, IPPROTO_IP); |
|
||||
|
|
||||
if (dummy == INVALID_SOCKET) { |
|
||||
memset((void*)&wsexf, 0, sizeof(wsexf)); |
|
||||
wsa_perror("socket"); |
|
||||
return; |
|
||||
} |
|
||||
|
|
||||
wsa_get_extension_function(dummy, WSAID_CONNECTEX, (void**)&wsexf.ConnectEx ); |
|
||||
wsa_get_extension_function(dummy, WSAID_ACCEPTEX, (void**)&wsexf.AcceptEx ); |
|
||||
wsa_get_extension_function(dummy, WSAID_GETACCEPTEXSOCKADDRS, (void**)&wsexf.GetAcceptExSockAddrs); |
|
||||
wsa_get_extension_function(dummy, WSAID_DISCONNECTEX, (void**)&wsexf.DisconnectEx ); |
|
||||
wsa_get_extension_function(dummy, WSAID_TRANSMITFILE, (void**)&wsexf.TransmitFile ); |
|
||||
|
|
||||
closesocket(dummy); |
|
||||
} |
|
||||
*/ |
|
||||
|
|
||||
|
|
||||
/*
|
|
||||
* Initializes winsock and winsock-related stuff |
|
||||
*/ |
|
||||
void wsa_init() { |
|
||||
WORD version = MAKEWORD(2, 2); |
|
||||
if (WSAStartup(version, &winsock_info)) { |
|
||||
wsa_perror("WSAStartup"); |
|
||||
} |
|
||||
|
|
||||
wsa_init_proto_info_cache(); |
|
||||
//wsa_init_extension_functions();
|
|
||||
} |
|
||||
|
|
||||
|
|
||||
} // namespace node
|
|
||||
@ -1,46 +0,0 @@ |
|||||
// Copyright Joyent, Inc. and other Node contributors.
|
|
||||
//
|
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
||||
// copy of this software and associated documentation files (the
|
|
||||
// "Software"), to deal in the Software without restriction, including
|
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
||||
// persons to whom the Software is furnished to do so, subject to the
|
|
||||
// following conditions:
|
|
||||
//
|
|
||||
// The above copyright notice and this permission notice shall be included
|
|
||||
// in all copies or substantial portions of the Software.
|
|
||||
//
|
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
||||
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
||||
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
||||
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
||||
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
||||
|
|
||||
#ifndef NODE_PLATFORM_WIN32_WINSOCK_H_ |
|
||||
#define NODE_PLATFORM_WIN32_WINSOCK_H_ |
|
||||
|
|
||||
#include <platform_win32.h> |
|
||||
|
|
||||
#include <winsock2.h> |
|
||||
#include <mswsock.h> |
|
||||
#include <ws2tcpip.h> |
|
||||
#include <ws2spi.h> |
|
||||
|
|
||||
namespace node { |
|
||||
|
|
||||
void wsa_init(); |
|
||||
|
|
||||
void wsa_perror(const char* prefix = ""); |
|
||||
|
|
||||
SOCKET wsa_sync_socket(int af, int type, int proto); |
|
||||
|
|
||||
int wsa_socketpair(int af, int type, int proto, SOCKET sock[2]); |
|
||||
int wsa_sync_async_socketpair(int af, int type, int proto, SOCKET *syncSocket, SOCKET *asyncSocket); |
|
||||
|
|
||||
|
|
||||
} // namespace node
|
|
||||
|
|
||||
#endif // NODE_PLATFORM_WIN32_WINSOCK_H_
|
|
||||
Loading…
Reference in new issue