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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <ndb_global.h>
#include <my_net.h>
#include <NdbTCP.h>
extern "C"
int
Ndb_getInAddr(struct in_addr * dst, const char *address) {
// DBUG_ENTER("Ndb_getInAddr");
{
int tmp_errno;
struct hostent tmp_hostent, *hp;
char buff[GETHOSTBYNAME_BUFF_SIZE];
hp = my_gethostbyname_r(address,&tmp_hostent,buff,sizeof(buff),
&tmp_errno);
if (hp)
{
memcpy(dst, hp->h_addr, min(sizeof(*dst), (size_t) hp->h_length));
my_gethostbyname_r_free();
return 0; //DBUG_RETURN(0);
}
my_gethostbyname_r_free();
}
/* Try it as aaa.bbb.ccc.ddd. */
dst->s_addr = inet_addr(address);
if (dst->s_addr !=
#ifdef INADDR_NONE
INADDR_NONE
#else
-1
#endif
)
{
return 0; //DBUG_RETURN(0);
}
// DBUG_PRINT("error",("inet_addr(%s) - %d - %s",
// address, errno, strerror(errno)));
return -1; //DBUG_RETURN(-1);
}
#ifndef DBUG_OFF
extern "C"
int NDB_CLOSE_SOCKET(int fd)
{
DBUG_PRINT("info", ("NDB_CLOSE_SOCKET(%d)", fd));
return _NDB_CLOSE_SOCKET(fd);
}
#endif
#if 0
int
Ndb_getInAddr(struct in_addr * dst, const char *address) {
struct hostent host, * hostPtr;
char buf[1024];
int h_errno;
hostPtr = gethostbyname_r(address, &host, &buf[0], 1024, &h_errno);
if (hostPtr != NULL) {
dst->s_addr = ((struct in_addr *) *hostPtr->h_addr_list)->s_addr;
return 0;
}
/* Try it as aaa.bbb.ccc.ddd. */
dst->s_addr = inet_addr(address);
if (dst->s_addr != -1) {
return 0;
}
return -1;
}
#endif
int Ndb_check_socket_hup(NDB_SOCKET_TYPE sock)
{
#ifdef HAVE_POLL
struct pollfd pfd[1];
int r;
pfd[0].fd= sock;
pfd[0].events= POLLHUP | POLLIN | POLLOUT | POLLNVAL;
pfd[0].revents= 0;
r= poll(pfd,1,0);
if(pfd[0].revents & (POLLHUP|POLLERR))
return 1;
return 0;
#else /* HAVE_POLL */
fd_set readfds, writefds, errorfds;
struct timeval tv= {0,0};
int s_err;
int s_err_size= sizeof(s_err);
FD_ZERO(&readfds);
FD_ZERO(&writefds);
FD_ZERO(&errorfds);
FD_SET(sock, &readfds);
FD_SET(sock, &writefds);
FD_SET(sock, &errorfds);
if(select(1, &readfds, &writefds, &errorfds, &tv)<0)
return 1;
if(FD_ISSET(sock,&errorfds))
return 1;
s_err=0;
if (getsockopt(sock, SOL_SOCKET, SO_ERROR, (char*) &s_err, &s_err_size) != 0)
return(1);
if (s_err)
{ /* getsockopt could succeed */
return(1); /* but return an error... */
}
return 0;
#endif /* HAVE_POLL */
}
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