duke@435: /*
duke@435:  * Copyright 1999-2005 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: //
duke@435: // Because the interruptible IO has been dropped for HotSpot/Linux,
duke@435: // the following HPI interface is very different from HotSparc.
duke@435: //
duke@435: 
duke@435: #include <unistd.h>
duke@435: #include <sys/socket.h>
duke@435: #include <sys/poll.h>
duke@435: #include <sys/ioctl.h>
duke@435: #include <netdb.h>
duke@435: 
duke@435: // HPI_FileInterface
duke@435: 
duke@435: inline int hpi::close(int fd) {
duke@435:   return ::close(fd);
duke@435: }
duke@435: 
duke@435: inline size_t hpi::read(int fd, void *buf, unsigned int nBytes) {
duke@435:   size_t res;
duke@435:   RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res);
duke@435:   return res;
duke@435: }
duke@435: 
duke@435: inline size_t hpi::write(int fd, const void *buf, unsigned int nBytes) {
duke@435:   size_t res;
duke@435:   RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res);
duke@435:   return res;
duke@435: }
duke@435: 
duke@435: 
duke@435: // HPI_SocketInterface
duke@435: 
duke@435: inline int hpi::socket_close(int fd) {
duke@435:   return ::close(fd);
duke@435: }
duke@435: 
duke@435: inline int hpi::socket(int domain, int type, int protocol) {
duke@435:   return ::socket(domain, type, protocol);
duke@435: }
duke@435: 
duke@435: inline int hpi::recv(int fd, char *buf, int nBytes, int flags) {
duke@435:   RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, (unsigned int) flags));
duke@435: }
duke@435: 
duke@435: inline int hpi::send(int fd, char *buf, int nBytes, int flags) {
duke@435:   RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, (unsigned int) flags));
duke@435: }
duke@435: 
never@657: inline int hpi::raw_send(int fd, char *buf, int nBytes, int flags) {
never@657:   return send(fd, buf, nBytes, flags);
never@657: }
never@657: 
duke@435: inline int hpi::timeout(int fd, long timeout) {
duke@435:   julong prevtime,newtime;
duke@435:   struct timeval t;
duke@435: 
duke@435:   gettimeofday(&t, NULL);
duke@435:   prevtime = ((julong)t.tv_sec * 1000)  +  t.tv_usec / 1000;
duke@435: 
duke@435:   for(;;) {
duke@435:     struct pollfd pfd;
duke@435: 
duke@435:     pfd.fd = fd;
duke@435:     pfd.events = POLLIN | POLLERR;
duke@435: 
duke@435:     int res = ::poll(&pfd, 1, timeout);
duke@435: 
duke@435:     if (res == OS_ERR && errno == EINTR) {
duke@435: 
duke@435:       // On Linux any value < 0 means "forever"
duke@435: 
duke@435:       if(timeout >= 0) {
duke@435:         gettimeofday(&t, NULL);
duke@435:         newtime = ((julong)t.tv_sec * 1000)  +  t.tv_usec / 1000;
duke@435:         timeout -= newtime - prevtime;
duke@435:         if(timeout <= 0)
duke@435:           return OS_OK;
duke@435:         prevtime = newtime;
duke@435:       }
duke@435:     } else
duke@435:       return res;
duke@435:   }
duke@435: }
duke@435: 
duke@435: inline int hpi::listen(int fd, int count) {
duke@435:   return ::listen(fd, count);
duke@435: }
duke@435: 
duke@435: inline int hpi::connect(int fd, struct sockaddr *him, int len) {
duke@435:   RESTARTABLE_RETURN_INT(::connect(fd, him, len));
duke@435: }
duke@435: 
duke@435: inline int hpi::accept(int fd, struct sockaddr *him, int *len) {
duke@435:   // This cast is from int to unsigned int on linux.  Since we
duke@435:   // only pass the parameter "len" around the vm and don't try to
duke@435:   // fetch it's value, this cast is safe for now. The java.net group
duke@435:   // may need and want to change this interface someday if socklen_t goes
duke@435:   // to 64 bits on some platform that we support.
duke@435:   // Linux doc says this can't return EINTR, unlike accept() on Solaris
duke@435: 
duke@435:   return ::accept(fd, him, (socklen_t *)len);
duke@435: }
duke@435: 
duke@435: inline int hpi::recvfrom(int fd, char *buf, int nBytes, int flags,
duke@435:                          sockaddr *from, int *fromlen) {
duke@435:   RESTARTABLE_RETURN_INT(::recvfrom(fd, buf, nBytes, (unsigned int) flags, from, (socklen_t *)fromlen));
duke@435: }
duke@435: 
duke@435: inline int hpi::sendto(int fd, char *buf, int len, int flags,
duke@435:                         struct sockaddr *to, int tolen) {
duke@435:   RESTARTABLE_RETURN_INT(::sendto(fd, buf, len, (unsigned int) flags, to, tolen));
duke@435: }
duke@435: 
duke@435: inline int hpi::socket_available(int fd, jint *pbytes) {
duke@435:   // Linux doc says EINTR not returned, unlike Solaris
duke@435:   int ret = ::ioctl(fd, FIONREAD, pbytes);
duke@435: 
duke@435:   //%% note ioctl can return 0 when successful, JVM_SocketAvailable
duke@435:   // is expected to return 0 on failure and 1 on success to the jdk.
duke@435:   return (ret < 0) ? 0 : 1;
duke@435: }
duke@435: 
duke@435: 
duke@435: // following methods have been updated to avoid problems in
duke@435: // hpi's sockets calls based on sys_api_td.c (JDK1.3)
duke@435: 
duke@435: /*
duke@435: HPIDECL(socket_shutdown, "socket_shutdown", _socket, SocketShutdown,
duke@435:         int, "%d",
duke@435:         (int fd, int howto),
duke@435:         ("fd = %d, howto = %d", fd, howto),
duke@435:         (fd, howto));
duke@435:         */
duke@435: inline int hpi::socket_shutdown(int fd, int howto){
duke@435:   return ::shutdown(fd, howto);
duke@435: }
duke@435: 
duke@435: /*
duke@435: HPIDECL(bind, "bind", _socket, Bind,
duke@435:         int, "%d",
duke@435:         (int fd, struct sockaddr *him, int len),
duke@435:         ("fd = %d, him = %p, len = %d",
duke@435:          fd, him, len),
duke@435:         (fd, him, len));
duke@435: */
duke@435: inline int hpi::bind(int fd, struct sockaddr *him, int len){
duke@435:   return ::bind(fd, him, len);
duke@435: }
duke@435: 
duke@435: /*
duke@435: HPIDECL(get_sock_name, "get_sock_name", _socket, GetSocketName,
duke@435:         int, "%d",
duke@435:         (int fd, struct sockaddr *him, int *len),
duke@435:         ("fd = %d, him = %p, len = %p",
duke@435:          fd, him, len),
duke@435:         (fd, him, len));
duke@435:         */
duke@435: inline int hpi::get_sock_name(int fd, struct sockaddr *him, int *len){
duke@435:   return ::getsockname(fd, him, (socklen_t *)len);
duke@435: }
duke@435: 
duke@435: /*
duke@435: HPIDECL(get_host_name, "get_host_name", _socket, GetHostName, int, "%d",
duke@435:         (char *hostname, int namelen),
duke@435:         ("hostname = %p, namelen = %d",
duke@435:          hostname, namelen),
duke@435:         (hostname, namelen));
duke@435:         */
duke@435: inline int hpi::get_host_name(char* name, int namelen){
duke@435:   return ::gethostname(name, namelen);
duke@435: }
duke@435: 
duke@435: /*
duke@435: HPIDECL(get_sock_opt, "get_sock_opt", _socket, SocketGetOption, int, "%d",
duke@435:         (int fd, int level, int optname, char *optval, int* optlen),
duke@435:         ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %p",
duke@435:          fd, level, optname, optval, optlen),
duke@435:         (fd, level, optname, optval, optlen));
duke@435:         */
duke@435: inline int hpi::get_sock_opt(int fd, int level, int optname,
duke@435:                              char *optval, int* optlen){
duke@435:   return ::getsockopt(fd, level, optname, optval, (socklen_t *)optlen);
duke@435: }
duke@435: 
duke@435: /*
duke@435: HPIDECL(set_sock_opt, "set_sock_opt", _socket, SocketSetOption, int, "%d",
duke@435:         (int fd, int level, int optname, const char *optval, int optlen),
duke@435:         ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %d",
duke@435:          fd, level, optname, optval, optlen),
duke@435:         (fd, level, optname, optval, optlen));
duke@435:         */
duke@435: inline int hpi::set_sock_opt(int fd, int level, int optname,
duke@435:                              const char *optval, int optlen){
duke@435:   return ::setsockopt(fd, level, optname, optval, optlen);
duke@435: }
duke@435: 
duke@435: 
duke@435: // Reconciliation History
duke@435: // hpi_solaris.hpp      1.9 99/08/30 16:31:23
duke@435: // End