diff options
Diffstat (limited to 'REORG.TODO/sunrpc/clnt_gen.c')
| -rw-r--r-- | REORG.TODO/sunrpc/clnt_gen.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/clnt_gen.c b/REORG.TODO/sunrpc/clnt_gen.c new file mode 100644 index 0000000000..542f85dd35 --- /dev/null +++ b/REORG.TODO/sunrpc/clnt_gen.c @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2010, Oracle America, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * * Neither the name of the "Oracle America, Inc." nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <alloca.h> +#include <errno.h> +#include <string.h> +#include <rpc/rpc.h> +#include <sys/socket.h> +#include <netdb.h> +#include <shlib-compat.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 (const char *hostname, u_long prog, u_long vers, + const char *proto) +{ + struct protoent protobuf, *p; + size_t prtbuflen; + char *prttmpbuf; + struct sockaddr_in sin; + struct sockaddr_un sun; + int sock; + struct timeval tv; + CLIENT *client; + + if (strcmp (proto, "unix") == 0) + { + __bzero ((char *)&sun, sizeof (sun)); + sun.sun_family = AF_UNIX; + strcpy (sun.sun_path, hostname); + sock = RPC_ANYSOCK; + client = clntunix_create (&sun, prog, vers, &sock, 0, 0); + if (client == NULL) + return NULL; +#if 0 + /* This is not wanted. This would disable the user from having + a timeout in the clnt_call() call. Only a call to cnlt_control() + by the user should set the timeout value. */ + tv.tv_sec = 25; + tv.tv_usec = 0; + clnt_control (client, CLSET_TIMEOUT, (char *)&tv); +#endif + return client; + } + + if (__libc_rpc_gethostbyname (hostname, &sin) != 0) + return NULL; + + prtbuflen = 1024; + prttmpbuf = __alloca (prtbuflen); + while (__getprotobyname_r (proto, &protobuf, prttmpbuf, prtbuflen, &p) != 0 + || p == NULL) + if (errno != ERANGE) + { + struct rpc_createerr *ce = &get_rpc_createerr (); + ce->cf_stat = RPC_UNKNOWNPROTO; + ce->cf_error.re_errno = EPFNOSUPPORT; + return NULL; + } + else + { + /* Enlarge the buffer. */ + prtbuflen *= 2; + prttmpbuf = __alloca (prtbuflen); + } + + 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 + /* This is not wanted. This would disable the user from having + a timeout in the clnt_call() call. Only a call to cnlt_control() + by the user should set the timeout value. */ + tv.tv_sec = 25; + clnt_control (client, CLSET_TIMEOUT, (char *)&tv); +#endif + break; + case IPPROTO_TCP: + client = clnttcp_create (&sin, prog, vers, &sock, 0, 0); + if (client == NULL) + { + return NULL; + } +#if 0 + /* This is not wanted. This would disable the user from having + a timeout in the clnt_call() call. Only a call to cnlt_control() + by the user should set the timeout value. */ + tv.tv_sec = 25; + tv.tv_usec = 0; + clnt_control (client, CLSET_TIMEOUT, (char *)&tv); +#endif + break; + default: + { + struct rpc_createerr *ce = &get_rpc_createerr (); + ce->cf_stat = RPC_SYSTEMERROR; + ce->cf_error.re_errno = EPFNOSUPPORT; + } + return (NULL); + } + return client; +} +#ifdef EXPORT_RPC_SYMBOLS +libc_hidden_def (clnt_create) +#else +libc_hidden_nolink_sunrpc (clnt_create, GLIBC_2_0) +#endif |