diff options
Diffstat (limited to 'rpc/rpc-lib/src/xdr-rpcclnt.c')
| -rw-r--r-- | rpc/rpc-lib/src/xdr-rpcclnt.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/rpc/rpc-lib/src/xdr-rpcclnt.c b/rpc/rpc-lib/src/xdr-rpcclnt.c new file mode 100644 index 000000000..810d1961b --- /dev/null +++ b/rpc/rpc-lib/src/xdr-rpcclnt.c @@ -0,0 +1,117 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include <rpc/rpc.h> +#include <rpc/pmap_clnt.h> +#include <arpa/inet.h> +#include <rpc/xdr.h> +#include <sys/uio.h> +#include <rpc/auth_unix.h> +#include <errno.h> + +#include "mem-pool.h" +#include "xdr-rpc.h" +#include "xdr-common.h" +#include "logging.h" +#include "common-utils.h" + +/* Decodes the XDR format in msgbuf into rpc_msg. + * The remaining payload is returned into payload. + */ +int +xdr_to_rpc_reply (char *msgbuf, size_t len, struct rpc_msg *reply, + struct iovec *payload, char *verfbytes) +{ + XDR xdr; + int ret = -EINVAL; + + GF_VALIDATE_OR_GOTO ("rpc", msgbuf, out); + GF_VALIDATE_OR_GOTO ("rpc", reply, out); + + memset (reply, 0, sizeof (struct rpc_msg)); + + reply->acpted_rply.ar_verf = _null_auth; + reply->acpted_rply.ar_results.where = NULL; + reply->acpted_rply.ar_results.proc = (xdrproc_t)(xdr_void); + + xdrmem_create (&xdr, msgbuf, len, XDR_DECODE); + if (!xdr_replymsg (&xdr, reply)) { + gf_log ("rpc", GF_LOG_WARNING, "failed to decode reply msg"); + ret = -errno; + goto out; + } + if (payload) { + payload->iov_base = xdr_decoded_remaining_addr (xdr); + payload->iov_len = xdr_decoded_remaining_len (xdr); + } + + ret = 0; +out: + return ret; +} + + +int +rpc_request_to_xdr (struct rpc_msg *request, char *dest, size_t len, + struct iovec *dst) +{ + XDR xdr; + int ret = -1; + + GF_VALIDATE_OR_GOTO ("rpc", dest, out); + GF_VALIDATE_OR_GOTO ("rpc", request, out); + GF_VALIDATE_OR_GOTO ("rpc", dst, out); + + xdrmem_create (&xdr, dest, len, XDR_ENCODE); + if (!xdr_callmsg (&xdr, request)) { + gf_log ("rpc", GF_LOG_WARNING, "failed to encode call msg"); + goto out; + } + + dst->iov_base = dest; + dst->iov_len = xdr_encoded_length (xdr); + + ret = 0; + +out: + return ret; +} + + +int +auth_unix_cred_to_xdr (struct authunix_parms *au, char *dest, size_t len, + struct iovec *iov) +{ + XDR xdr; + int ret = -1; + + GF_VALIDATE_OR_GOTO ("rpc", au, out); + GF_VALIDATE_OR_GOTO ("rpc", dest, out); + GF_VALIDATE_OR_GOTO ("rpc", iov, out); + + xdrmem_create (&xdr, dest, len, XDR_DECODE); + + if (!xdr_authunix_parms (&xdr, au)) { + gf_log ("rpc", GF_LOG_WARNING, "failed to decode authunix parms"); + goto out; + } + + iov->iov_base = dest; + iov->iov_len = xdr_encoded_length (xdr); + + ret = 0; +out: + return ret; +} |
