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-rw-r--r--rpc/rpc-lib/src/xdr-rpcclnt.c105
1 files changed, 105 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 00000000000..8dcdcfeda83
--- /dev/null
+++ b/rpc/rpc-lib/src/xdr-rpcclnt.c
@@ -0,0 +1,105 @@
+/*
+ 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.
+*/
+
+#include <rpc/rpc.h>
+#include <rpc/xdr.h>
+#include <sys/uio.h>
+#include <rpc/auth_unix.h>
+#include <errno.h>
+
+#include "xdr-rpc.h"
+#include "xdr-common.h"
+#include <glusterfs/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");
+ 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;
+}