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Unified Diff: mozilla/nsprpub/pr/src/md/windows/w95sock.c

Issue 14249009: Change the NSS and NSPR source tree to the new directory structure to be (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/nss/
Patch Set: Created 7 years, 8 months ago
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Index: mozilla/nsprpub/pr/src/md/windows/w95sock.c
===================================================================
--- mozilla/nsprpub/pr/src/md/windows/w95sock.c (revision 191424)
+++ mozilla/nsprpub/pr/src/md/windows/w95sock.c (working copy)
@@ -1,766 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/* Win95 Sockets module
- *
- */
-
-#include "primpl.h"
-
-#define READ_FD 1
-#define WRITE_FD 2
-#define CONNECT_FD 3
-
-static PRInt32 socket_io_wait(
- PROsfd osfd,
- PRInt32 fd_type,
- PRIntervalTime timeout);
-
-
-/* --- SOCKET IO --------------------------------------------------------- */
-
-/*
- * we only want to call WSAIoctl() on Vista and later
- * so don't pay for it at build time (and avoid including winsock2.h)
- */
-
-/* from ws2def.h */
-#define IOC_IN 0x80000000 /* copy in parameters */
-#define IOC_VENDOR 0x18000000
-#define _WSAIOW(x,y) (IOC_IN|(x)|(y))
-/* from MSWSockDef.h */
-#define SIO_SET_COMPATIBILITY_MODE _WSAIOW(IOC_VENDOR,300)
-
-typedef enum _WSA_COMPATIBILITY_BEHAVIOR_ID {
- WsaBehaviorAll = 0,
- WsaBehaviorReceiveBuffering,
- WsaBehaviorAutoTuning
-} WSA_COMPATIBILITY_BEHAVIOR_ID, *PWSA_COMPATIBILITY_BEHAVIOR_ID;
-
-/* from sdkddkver.h */
-#define NTDDI_WIN6 0x06000000 /* Windows Vista */
-
-/* from winsock2.h */
-#define WSAEVENT HANDLE
-
-#define WSAOVERLAPPED OVERLAPPED
-typedef struct _OVERLAPPED * LPWSAOVERLAPPED;
-
-typedef void (CALLBACK * LPWSAOVERLAPPED_COMPLETION_ROUTINE)(
- IN DWORD dwError,
- IN DWORD cbTransferred,
- IN LPWSAOVERLAPPED lpOverlapped,
- IN DWORD dwFlags
-);
-
-typedef int (__stdcall * WSAIOCTLPROC) (
- SOCKET s,
- DWORD dwIoControlCode,
- LPVOID lpvInBuffer,
- DWORD cbInBuffer,
- LPVOID lpvOutBuffer,
- DWORD cbOutBuffer,
- LPDWORD lpcbBytesReturned,
- LPWSAOVERLAPPED lpOverlapped,
- LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine
-);
-
-typedef struct _WSA_COMPATIBILITY_MODE {
- WSA_COMPATIBILITY_BEHAVIOR_ID BehaviorId;
- ULONG TargetOsVersion;
-} WSA_COMPATIBILITY_MODE, *PWSA_COMPATIBILITY_MODE;
-
-static HMODULE libWinsock2 = NULL;
-static WSAIOCTLPROC wsaioctlProc = NULL;
-static PRBool socketSetCompatMode = PR_FALSE;
-static PRBool socketFixInet6RcvBuf = PR_FALSE;
-
-void _PR_MD_InitSockets(void)
-{
- OSVERSIONINFO osvi;
-
- memset(&osvi, 0, sizeof(osvi));
- osvi.dwOSVersionInfoSize = sizeof(osvi);
- GetVersionEx(&osvi);
-
- /* if Vista or later... */
- if (osvi.dwMajorVersion >= 6)
- {
- libWinsock2 = LoadLibraryW(L"Ws2_32.dll");
- if (libWinsock2)
- {
- wsaioctlProc = (WSAIOCTLPROC)GetProcAddress(libWinsock2,
- "WSAIoctl");
- if (wsaioctlProc)
- {
- socketSetCompatMode = PR_TRUE;
- }
- }
- }
- else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
- {
- /* if Windows XP (32-bit) */
- socketFixInet6RcvBuf = PR_TRUE;
- }
-}
-
-void _PR_MD_CleanupSockets(void)
-{
- socketSetCompatMode = PR_FALSE;
- wsaioctlProc = NULL;
- if (libWinsock2)
- {
- FreeLibrary(libWinsock2);
- libWinsock2 = NULL;
- }
-}
-
-PROsfd
-_PR_MD_SOCKET(int af, int type, int flags)
-{
- SOCKET sock;
- u_long one = 1;
-
- sock = socket(af, type, flags);
-
- if (sock == INVALID_SOCKET )
- {
- _PR_MD_MAP_SOCKET_ERROR(WSAGetLastError());
- return (PROsfd)sock;
- }
-
- /*
- ** Make the socket Non-Blocking
- */
- if (ioctlsocket( sock, FIONBIO, &one) != 0)
- {
- PR_SetError(PR_UNKNOWN_ERROR, WSAGetLastError());
- closesocket(sock);
- return -1;
- }
-
- if ((af == AF_INET || af == AF_INET6) &&
- type == SOCK_STREAM && socketSetCompatMode)
- {
- WSA_COMPATIBILITY_MODE mode;
- char dummy[4];
- int ret_dummy;
-
- mode.BehaviorId = WsaBehaviorAutoTuning;
- mode.TargetOsVersion = NTDDI_WIN6;
- if (wsaioctlProc(sock, SIO_SET_COMPATIBILITY_MODE,
- (char *)&mode, sizeof(mode),
- dummy, 4, &ret_dummy, 0, NULL) == SOCKET_ERROR)
- {
- int err = WSAGetLastError();
- PR_LOG(_pr_io_lm, PR_LOG_DEBUG, ("WSAIoctl() failed with %d", err));
-
- /* SIO_SET_COMPATIBILITY_MODE may not be supported.
- ** If the call to WSAIoctl() fails with WSAEOPNOTSUPP,
- ** don't close the socket.
- */
- }
- }
-
- if (af == AF_INET6 && socketFixInet6RcvBuf)
- {
- int bufsize;
- int len = sizeof(bufsize);
- int rv;
-
- /* Windows XP 32-bit returns an error on getpeername() for AF_INET6
- * sockets if the receive buffer size is greater than 65535 before
- * the connection is initiated. The default receive buffer size may
- * be 128000 so fix it here to always be <= 65535. See bug 513659
- * and IBM DB2 support technote "Receive/Send IPv6 Socket Size
- * Problem in Windows XP SP2 & SP3".
- */
- rv = getsockopt(sock, SOL_SOCKET, SO_RCVBUF, (char*)&bufsize, &len);
- if (rv == 0 && bufsize > 65535)
- {
- bufsize = 65535;
- setsockopt(sock, SOL_SOCKET, SO_RCVBUF, (char*)&bufsize, len);
- }
- }
-
- return (PROsfd)sock;
-}
-
-/*
-** _MD_CloseSocket() -- Close a socket
-**
-*/
-PRInt32
-_MD_CloseSocket(PROsfd osfd)
-{
- PRInt32 rv;
-
- rv = closesocket((SOCKET) osfd );
- if (rv < 0)
- _PR_MD_MAP_CLOSE_ERROR(WSAGetLastError());
-
- return rv;
-}
-
-PRInt32
-_MD_SocketAvailable(PRFileDesc *fd)
-{
- PRInt32 result;
-
- if (ioctlsocket(fd->secret->md.osfd, FIONREAD, &result) < 0) {
- PR_SetError(PR_BAD_DESCRIPTOR_ERROR, WSAGetLastError());
- return -1;
- }
- return result;
-}
-
-PROsfd _MD_Accept(
- PRFileDesc *fd,
- PRNetAddr *raddr,
- PRUint32 *rlen,
- PRIntervalTime timeout )
-{
- PROsfd osfd = fd->secret->md.osfd;
- SOCKET sock;
- PRInt32 rv, err;
-
- while ((sock = accept(osfd, (struct sockaddr *) raddr, rlen)) == -1)
- {
- err = WSAGetLastError();
- if ((err == WSAEWOULDBLOCK) && (!fd->secret->nonblocking))
- {
- if ((rv = socket_io_wait(osfd, READ_FD, timeout)) < 0)
- {
- break;
- }
- }
- else
- {
- _PR_MD_MAP_ACCEPT_ERROR(err);
- break;
- }
- }
- return(sock);
-} /* end _MD_accept() */
-
-PRInt32
-_PR_MD_CONNECT(PRFileDesc *fd, const PRNetAddr *addr, PRUint32 addrlen,
- PRIntervalTime timeout)
-{
- PROsfd osfd = fd->secret->md.osfd;
- PRInt32 rv;
- int err;
-
- if ((rv = connect(osfd, (struct sockaddr *) addr, addrlen)) == -1)
- {
- err = WSAGetLastError();
- if ((!fd->secret->nonblocking) && (err == WSAEWOULDBLOCK))
- {
- rv = socket_io_wait(osfd, CONNECT_FD, timeout);
- if ( rv < 0 )
- {
- return(-1);
- }
- else
- {
- PR_ASSERT(rv > 0);
- /* it's connected */
- return(0);
- }
- }
- _PR_MD_MAP_CONNECT_ERROR(err);
- }
- return rv;
-}
-
-PRInt32
-_PR_MD_BIND(PRFileDesc *fd, const PRNetAddr *addr, PRUint32 addrlen)
-{
- PRInt32 rv;
-
- rv = bind(fd->secret->md.osfd, (const struct sockaddr *)&(addr->inet), addrlen);
-
- if (rv == SOCKET_ERROR) {
- _PR_MD_MAP_BIND_ERROR(WSAGetLastError());
- return -1;
- }
-
- return 0;
-}
-
-PRInt32
-_PR_MD_LISTEN(PRFileDesc *fd, PRIntn backlog)
-{
- PRInt32 rv;
-
- rv = listen(fd->secret->md.osfd, backlog);
-
- if (rv == SOCKET_ERROR) {
- _PR_MD_MAP_DEFAULT_ERROR(WSAGetLastError());
- return -1;
- }
-
- return 0;
-}
-
-PRInt32
-_PR_MD_RECV(PRFileDesc *fd, void *buf, PRInt32 amount, PRIntn flags,
- PRIntervalTime timeout)
-{
- PROsfd osfd = fd->secret->md.osfd;
- PRInt32 rv, err;
- int osflags;
-
- if (0 == flags) {
- osflags = 0;
- } else {
- PR_ASSERT(PR_MSG_PEEK == flags);
- osflags = MSG_PEEK;
- }
- while ((rv = recv( osfd, buf, amount, osflags)) == -1)
- {
- if (((err = WSAGetLastError()) == WSAEWOULDBLOCK)
- && (!fd->secret->nonblocking))
- {
- rv = socket_io_wait(osfd, READ_FD, timeout);
- if ( rv < 0 )
- {
- return -1;
- }
- }
- else
- {
- _PR_MD_MAP_RECV_ERROR(err);
- break;
- }
- } /* end while() */
- return(rv);
-}
-
-PRInt32
-_PR_MD_SEND(PRFileDesc *fd, const void *buf, PRInt32 amount, PRIntn flags,
- PRIntervalTime timeout)
-{
- PROsfd osfd = fd->secret->md.osfd;
- PRInt32 rv, err;
- PRInt32 bytesSent = 0;
-
- while(bytesSent < amount )
- {
- while ((rv = send( osfd, buf, amount, 0 )) == -1)
- {
- if (((err = WSAGetLastError()) == WSAEWOULDBLOCK)
- && (!fd->secret->nonblocking))
- {
- rv = socket_io_wait(osfd, WRITE_FD, timeout);
- if ( rv < 0 )
- {
- return -1;
- }
- }
- else
- {
- _PR_MD_MAP_SEND_ERROR(err);
- return -1;
- }
- }
- bytesSent += rv;
- if (fd->secret->nonblocking)
- {
- break;
- }
- if (bytesSent < amount)
- {
- rv = socket_io_wait(osfd, WRITE_FD, timeout);
- if ( rv < 0 )
- {
- return -1;
- }
- }
- }
- return bytesSent;
-}
-
-PRInt32
-_PR_MD_SENDTO(PRFileDesc *fd, const void *buf, PRInt32 amount, PRIntn flags,
- const PRNetAddr *addr, PRUint32 addrlen, PRIntervalTime timeout)
-{
- PROsfd osfd = fd->secret->md.osfd;
- PRInt32 rv, err;
- PRInt32 bytesSent = 0;
-
- while(bytesSent < amount)
- {
- while ((rv = sendto( osfd, buf, amount, 0, (struct sockaddr *) addr,
- addrlen)) == -1)
- {
- if (((err = WSAGetLastError()) == WSAEWOULDBLOCK)
- && (!fd->secret->nonblocking))
- {
- rv = socket_io_wait(osfd, WRITE_FD, timeout);
- if ( rv < 0 )
- {
- return -1;
- }
- }
- else
- {
- _PR_MD_MAP_SENDTO_ERROR(err);
- return -1;
- }
- }
- bytesSent += rv;
- if (fd->secret->nonblocking)
- {
- break;
- }
- if (bytesSent < amount)
- {
- rv = socket_io_wait(osfd, WRITE_FD, timeout);
- if (rv < 0)
- {
- return -1;
- }
- }
- }
- return bytesSent;
-}
-
-PRInt32
-_PR_MD_RECVFROM(PRFileDesc *fd, void *buf, PRInt32 amount, PRIntn flags,
- PRNetAddr *addr, PRUint32 *addrlen, PRIntervalTime timeout)
-{
- PROsfd osfd = fd->secret->md.osfd;
- PRInt32 rv, err;
-
- while ((rv = recvfrom( osfd, buf, amount, 0, (struct sockaddr *) addr,
- addrlen)) == -1)
- {
- if (((err = WSAGetLastError()) == WSAEWOULDBLOCK)
- && (!fd->secret->nonblocking))
- {
- rv = socket_io_wait(osfd, READ_FD, timeout);
- if ( rv < 0)
- {
- return -1;
- }
- }
- else
- {
- _PR_MD_MAP_RECVFROM_ERROR(err);
- break;
- }
- }
- return(rv);
-}
-
-PRInt32
-_PR_MD_WRITEV(PRFileDesc *fd, const PRIOVec *iov, PRInt32 iov_size, PRIntervalTime timeout)
-{
- int index;
- int sent = 0;
- int rv;
-
- for (index=0; index < iov_size; index++)
- {
- rv = _PR_MD_SEND(fd, iov[index].iov_base, iov[index].iov_len, 0, timeout);
- if (rv > 0)
- sent += rv;
- if ( rv != iov[index].iov_len )
- {
- if (rv < 0)
- {
- if (fd->secret->nonblocking
- && (PR_GetError() == PR_WOULD_BLOCK_ERROR)
- && (sent > 0))
- {
- return sent;
- }
- else
- {
- return -1;
- }
- }
- /* Only a nonblocking socket can have partial sends */
- PR_ASSERT(fd->secret->nonblocking);
- return sent;
- }
- }
- return sent;
-}
-
-PRInt32
-_PR_MD_SHUTDOWN(PRFileDesc *fd, PRIntn how)
-{
-PRInt32 rv;
-
- rv = shutdown(fd->secret->md.osfd, how);
- if (rv < 0)
- _PR_MD_MAP_SHUTDOWN_ERROR(WSAGetLastError());
- return rv;
-}
-
-PRStatus
-_PR_MD_GETSOCKNAME(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *len)
-{
- PRInt32 rv;
-
- rv = getsockname((SOCKET)fd->secret->md.osfd, (struct sockaddr *)addr, len);
- if (rv==0) {
- return PR_SUCCESS;
- } else {
- _PR_MD_MAP_GETSOCKNAME_ERROR(WSAGetLastError());
- return PR_FAILURE;
- }
-}
-
-PRStatus
-_PR_MD_GETPEERNAME(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *len)
-{
- PRInt32 rv;
-
- rv = getpeername((SOCKET)fd->secret->md.osfd, (struct sockaddr *)addr, len);
- if (rv==0) {
- return PR_SUCCESS;
- } else {
- _PR_MD_MAP_GETPEERNAME_ERROR(WSAGetLastError());
- return PR_FAILURE;
- }
-}
-
-PRStatus
-_PR_MD_GETSOCKOPT(PRFileDesc *fd, PRInt32 level, PRInt32 optname, char* optval, PRInt32* optlen)
-{
- PRInt32 rv;
-
- rv = getsockopt((SOCKET)fd->secret->md.osfd, level, optname, optval, optlen);
- if (rv==0) {
- return PR_SUCCESS;
- } else {
- _PR_MD_MAP_GETSOCKOPT_ERROR(WSAGetLastError());
- return PR_FAILURE;
- }
-}
-
-PRStatus
-_PR_MD_SETSOCKOPT(PRFileDesc *fd, PRInt32 level, PRInt32 optname, const char* optval, PRInt32 optlen)
-{
- PRInt32 rv;
-
- rv = setsockopt((SOCKET)fd->secret->md.osfd, level, optname, optval, optlen);
- if (rv==0) {
- return PR_SUCCESS;
- } else {
- _PR_MD_MAP_SETSOCKOPT_ERROR(WSAGetLastError());
- return PR_FAILURE;
- }
-}
-
-void
-_MD_MakeNonblock(PRFileDesc *f)
-{
- return; /* do nothing */
-}
-
-
-
-/*
- * socket_io_wait --
- *
- * Wait for socket i/o, periodically checking for interrupt.
- *
- * This function returns 1 on success. On failure, it returns
- * -1 and sets the error codes. It never returns 0.
- */
-#define _PR_INTERRUPT_CHECK_INTERVAL_SECS 5
-
-static PRInt32 socket_io_wait(
- PROsfd osfd,
- PRInt32 fd_type,
- PRIntervalTime timeout)
-{
- PRInt32 rv = -1;
- struct timeval tv;
- PRThread *me = _PR_MD_CURRENT_THREAD();
- PRIntervalTime elapsed, remaining;
- PRBool wait_for_remaining;
- fd_set rd_wr, ex;
- int err, len;
-
- switch (timeout) {
- case PR_INTERVAL_NO_WAIT:
- PR_SetError(PR_IO_TIMEOUT_ERROR, 0);
- break;
- case PR_INTERVAL_NO_TIMEOUT:
- /*
- * This is a special case of the 'default' case below.
- * Please see the comments there.
- */
- tv.tv_sec = _PR_INTERRUPT_CHECK_INTERVAL_SECS;
- tv.tv_usec = 0;
- FD_ZERO(&rd_wr);
- FD_ZERO(&ex);
- do {
- FD_SET(osfd, &rd_wr);
- FD_SET(osfd, &ex);
- switch( fd_type )
- {
- case READ_FD:
- rv = _MD_SELECT(0, &rd_wr, NULL, NULL, &tv);
- break;
- case WRITE_FD:
- rv = _MD_SELECT(0, NULL, &rd_wr, NULL, &tv);
- break;
- case CONNECT_FD:
- rv = _MD_SELECT(0, NULL, &rd_wr, &ex, &tv);
- break;
- default:
- PR_ASSERT(0);
- break;
- } /* end switch() */
- if (rv == -1 )
- {
- _PR_MD_MAP_SELECT_ERROR(WSAGetLastError());
- break;
- }
- if ( rv > 0 && fd_type == CONNECT_FD )
- {
- /*
- * Call Sleep(0) to work around a Winsock timing bug.
- */
- Sleep(0);
- if (FD_ISSET((SOCKET)osfd, &ex))
- {
- len = sizeof(err);
- if (getsockopt(osfd, SOL_SOCKET, SO_ERROR,
- (char *) &err, &len) == SOCKET_ERROR)
- {
- _PR_MD_MAP_GETSOCKOPT_ERROR(WSAGetLastError());
- return -1;
- }
- if (err != 0)
- _PR_MD_MAP_CONNECT_ERROR(err);
- else
- PR_SetError(PR_UNKNOWN_ERROR, 0);
- return -1;
- }
- if (FD_ISSET((SOCKET)osfd, &rd_wr))
- {
- /* it's connected */
- return 1;
- }
- PR_ASSERT(0);
- }
- if (_PR_PENDING_INTERRUPT(me)) {
- me->flags &= ~_PR_INTERRUPT;
- PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0);
- rv = -1;
- break;
- }
- } while (rv == 0);
- break;
- default:
- remaining = timeout;
- FD_ZERO(&rd_wr);
- FD_ZERO(&ex);
- do {
- /*
- * We block in _MD_SELECT for at most
- * _PR_INTERRUPT_CHECK_INTERVAL_SECS seconds,
- * so that there is an upper limit on the delay
- * before the interrupt bit is checked.
- */
- wait_for_remaining = PR_TRUE;
- tv.tv_sec = PR_IntervalToSeconds(remaining);
- if (tv.tv_sec > _PR_INTERRUPT_CHECK_INTERVAL_SECS) {
- wait_for_remaining = PR_FALSE;
- tv.tv_sec = _PR_INTERRUPT_CHECK_INTERVAL_SECS;
- tv.tv_usec = 0;
- } else {
- tv.tv_usec = PR_IntervalToMicroseconds(
- remaining -
- PR_SecondsToInterval(tv.tv_sec));
- }
- FD_SET(osfd, &rd_wr);
- FD_SET(osfd, &ex);
- switch( fd_type )
- {
- case READ_FD:
- rv = _MD_SELECT(0, &rd_wr, NULL, NULL, &tv);
- break;
- case WRITE_FD:
- rv = _MD_SELECT(0, NULL, &rd_wr, NULL, &tv);
- break;
- case CONNECT_FD:
- rv = _MD_SELECT(0, NULL, &rd_wr, &ex, &tv);
- break;
- default:
- PR_ASSERT(0);
- break;
- } /* end switch() */
- if (rv == -1)
- {
- _PR_MD_MAP_SELECT_ERROR(WSAGetLastError());
- break;
- }
- if ( rv > 0 && fd_type == CONNECT_FD )
- {
- /*
- * Call Sleep(0) to work around a Winsock timing bug.
- */
- Sleep(0);
- if (FD_ISSET((SOCKET)osfd, &ex))
- {
- len = sizeof(err);
- if (getsockopt(osfd, SOL_SOCKET, SO_ERROR,
- (char *) &err, &len) == SOCKET_ERROR)
- {
- _PR_MD_MAP_GETSOCKOPT_ERROR(WSAGetLastError());
- return -1;
- }
- if (err != 0)
- _PR_MD_MAP_CONNECT_ERROR(err);
- else
- PR_SetError(PR_UNKNOWN_ERROR, 0);
- return -1;
- }
- if (FD_ISSET((SOCKET)osfd, &rd_wr))
- {
- /* it's connected */
- return 1;
- }
- PR_ASSERT(0);
- }
- if (_PR_PENDING_INTERRUPT(me)) {
- me->flags &= ~_PR_INTERRUPT;
- PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0);
- rv = -1;
- break;
- }
- /*
- * We loop again if _MD_SELECT timed out and the
- * timeout deadline has not passed yet.
- */
- if (rv == 0 )
- {
- if (wait_for_remaining) {
- elapsed = remaining;
- } else {
- elapsed = PR_SecondsToInterval(tv.tv_sec)
- + PR_MicrosecondsToInterval(tv.tv_usec);
- }
- if (elapsed >= remaining) {
- PR_SetError(PR_IO_TIMEOUT_ERROR, 0);
- rv = -1;
- break;
- } else {
- remaining = remaining - elapsed;
- }
- }
- } while (rv == 0 );
- break;
- }
- return(rv);
-} /* end socket_io_wait() */
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