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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [librpc/] [src/] [rpc/] [clnt_generic.c] - Rev 593
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/* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part. Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California 94043 */ #if defined(LIBC_SCCS) && !defined(lint) /*static char *sccsid = "from: @(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";*/ /*static char *sccsid = "from: @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC";*/ static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_generic.c,v 1.9 1999/08/28 00:00:35 peter Exp $"; #endif /* * Copyright (C) 1987, Sun Microsystems, Inc. */ #include <rpc/rpc.h> #include <sys/socket.h> #include <sys/errno.h> #include <netdb.h> #include <string.h> /* * Generic client creation: takes (hostname, program-number, protocol) and * returns client handle. Default options are set, which the user can * change using the rpc equivalent of ioctl()'s. */ CLIENT * clnt_create(hostname, prog, vers, proto) char *hostname; u_long prog; u_long vers; char *proto; { struct hostent *h; struct protoent *p; struct sockaddr_in sin; #ifndef __rtems__ struct sockaddr_un sun; #endif int sock; struct timeval tv; CLIENT *client; #ifndef __rtems__ if (!strcmp(proto, "unix")) { bzero((char *)&sun, sizeof(sun)); sun.sun_family = AF_UNIX; strcpy(sun.sun_path, hostname); sun.sun_len = sizeof(sun.sun_len) + sizeof(sun.sun_family) + strlen(sun.sun_path) + 1; sock = RPC_ANYSOCK; client = clntunix_create(&sun, prog, vers, &sock, 0, 0); if (client == NULL) return(NULL); tv.tv_sec = 25; tv.tv_usec = 0; clnt_control(client, CLSET_TIMEOUT, &tv); return(client); } #endif h = gethostbyname(hostname); if (h == NULL) { rpc_createerr.cf_stat = RPC_UNKNOWNHOST; return (NULL); } if (h->h_addrtype != AF_INET) { /* * Only support INET for now */ rpc_createerr.cf_stat = RPC_SYSTEMERROR; rpc_createerr.cf_error.re_errno = EAFNOSUPPORT; return (NULL); } memset(&sin, 0, sizeof(sin)); sin.sin_len = sizeof(struct sockaddr_in); sin.sin_family = h->h_addrtype; sin.sin_port = 0; memcpy((char*)&sin.sin_addr, h->h_addr, h->h_length); p = getprotobyname(proto); if (p == NULL) { rpc_createerr.cf_stat = RPC_UNKNOWNPROTO; rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; return (NULL); } sock = RPC_ANYSOCK; switch (p->p_proto) { case IPPROTO_UDP: tv.tv_sec = 5; tv.tv_usec = 0; client = clntudp_create(&sin, prog, vers, tv, &sock); if (client == NULL) { return (NULL); } #if 0 /* XXX do we need this? */ tv.tv_sec = 25; tv.tv_usec = 0; clnt_control(client, CLSET_TIMEOUT, &tv); #endif break; case IPPROTO_TCP: client = clnttcp_create(&sin, prog, vers, &sock, 0, 0); if (client == NULL) { return (NULL); } #if 0 /* XXX do we need this? */ tv.tv_sec = 25; tv.tv_usec = 0; clnt_control(client, CLSET_TIMEOUT, &tv); #endif break; default: rpc_createerr.cf_stat = RPC_SYSTEMERROR; rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; return (NULL); } return (client); }
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