/* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include "NdbTCP.h" int Ndb_getInAddr(struct in_addr * dst, const char *address) { struct hostent * hostPtr; /* Try it as aaa.bbb.ccc.ddd. */ dst->s_addr = inet_addr(address); if (dst->s_addr != -1) { return 0; } hostPtr = gethostbyname(address); if (hostPtr != NULL) { dst->s_addr = ((struct in_addr *) *hostPtr->h_addr_list)->s_addr; return 0; } return -1; } int Ndb_check_socket_hup(NDB_SOCKET_TYPE sock) { 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)==SOCKET_ERROR) 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; }