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/*
Copyright (c) 2018 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 "portmap-xdr.h"
#include "protocol-common.h"
#include "rpc-clnt.h"
#include "xdr-generic.h"
#include "xlator.h"
/* Defining a minimal RPC client program for portmap signout
*/
char *clnt_pmap_signout_procs[GF_PMAP_MAXVALUE] = {
[GF_PMAP_SIGNOUT] = "SIGNOUT",
};
rpc_clnt_prog_t clnt_pmap_signout_prog = {
.progname = "Gluster Portmap",
.prognum = GLUSTER_PMAP_PROGRAM,
.progver = GLUSTER_PMAP_VERSION,
.procnames = clnt_pmap_signout_procs,
};
static int
mgmt_pmap_signout_cbk (struct rpc_req *req, struct iovec *iov, int count,
void *myframe)
{
pmap_signout_rsp rsp = {0,};
int ret = 0;
if (-1 == req->rpc_status) {
rsp.op_ret = -1;
rsp.op_errno = EINVAL;
goto out;
}
ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_pmap_signout_rsp);
if (ret < 0) {
gf_log (THIS->name, GF_LOG_ERROR, "XDR decoding failed");
rsp.op_ret = -1;
rsp.op_errno = EINVAL;
goto out;
}
if (-1 == rsp.op_ret) {
gf_log (THIS->name, GF_LOG_ERROR,
"failed to register the port with glusterd");
goto out;
}
out:
return 0;
}
int
rpc_clnt_mgmt_pmap_signout (glusterfs_ctx_t *ctx, char *brickname)
{
int ret = 0;
pmap_signout_req req = {0, };
call_frame_t *frame = NULL;
cmd_args_t *cmd_args = NULL;
char brick_name[PATH_MAX] = {0,};
struct iovec iov = {0, };
struct iobuf *iobuf = NULL;
struct iobref *iobref = NULL;
ssize_t xdr_size = 0;
frame = create_frame (THIS, ctx->pool);
cmd_args = &ctx->cmd_args;
if (!cmd_args->brick_port && (!cmd_args->brick_name || !brickname)) {
gf_log ("fsd-mgmt", GF_LOG_DEBUG,
"portmapper signout arguments not given");
goto out;
}
if (cmd_args->volfile_server_transport &&
!strcmp(cmd_args->volfile_server_transport, "rdma")) {
snprintf (brick_name, sizeof(brick_name), "%s.rdma",
cmd_args->brick_name);
req.brick = brick_name;
} else {
if (brickname)
req.brick = brickname;
else
req.brick = cmd_args->brick_name;
}
req.port = cmd_args->brick_port;
req.rdma_port = cmd_args->brick_port2;
/* mgmt_submit_request is not available in libglusterfs.
* Need to serialize and submit manually.
*/
iobref = iobref_new ();
if (!iobref) {
goto out;
}
xdr_size = xdr_sizeof ((xdrproc_t)xdr_pmap_signout_req, &req);
iobuf = iobuf_get2 (ctx->iobuf_pool, xdr_size);
if (!iobuf) {
goto out;
};
iobref_add (iobref, iobuf);
iov.iov_base = iobuf->ptr;
iov.iov_len = iobuf_pagesize (iobuf);
/* Create the xdr payload */
ret = xdr_serialize_generic (iov, &req,
(xdrproc_t)xdr_pmap_signout_req);
if (ret == -1) {
gf_log (THIS->name, GF_LOG_WARNING,
"failed to create XDR payload");
goto out;
}
iov.iov_len = ret;
ret = rpc_clnt_submit (ctx->mgmt, &clnt_pmap_signout_prog,
GF_PMAP_SIGNOUT, mgmt_pmap_signout_cbk,
&iov, 1,
NULL, 0, iobref, frame, NULL, 0, NULL, 0, NULL);
out:
if (iobref)
iobref_unref (iobref);
if (iobuf)
iobuf_unref (iobuf);
return ret;
}
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