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-rw-r--r--glusterfsd/src/glusterfsd-mgmt.c1811
1 files changed, 1712 insertions, 99 deletions
diff --git a/glusterfsd/src/glusterfsd-mgmt.c b/glusterfsd/src/glusterfsd-mgmt.c
index c674533e4..1c9220927 100644
--- a/glusterfsd/src/glusterfsd-mgmt.c
+++ b/glusterfsd/src/glusterfsd-mgmt.c
@@ -1,26 +1,17 @@
/*
- Copyright (c) 2007-2009 Gluster, Inc. <http://www.gluster.com>
- This file is part of GlusterFS.
-
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
-*/
+ Copyright (c) 2007-2012 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 <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
+#include <signal.h>
#ifndef _CONFIG_H
#define _CONFIG_H
@@ -36,34 +27,1191 @@
#include "rpc-clnt.h"
#include "protocol-common.h"
#include "glusterfs3.h"
-#include "portmap.h"
+#include "portmap-xdr.h"
+#include "xdr-generic.h"
#include "glusterfsd.h"
+#include "rpcsvc.h"
+#include "cli1-xdr.h"
+#include "statedump.h"
+#include "syncop.h"
+#include "xlator.h"
-static char is_mgmt_rpc_reconnect;
-
-typedef ssize_t (*mgmt_serialize_t) (struct iovec outmsg, void *args);
-
-
+static gf_boolean_t is_mgmt_rpc_reconnect = _gf_false;
int glusterfs_mgmt_pmap_signin (glusterfs_ctx_t *ctx);
int glusterfs_volfile_fetch (glusterfs_ctx_t *ctx);
int glusterfs_process_volfp (glusterfs_ctx_t *ctx, FILE *fp);
+int glusterfs_graph_unknown_options (glusterfs_graph_t *graph);
+int emancipate(glusterfs_ctx_t *ctx, int ret);
int
-mgmt_cbk_spec (void *data)
+mgmt_cbk_spec (struct rpc_clnt *rpc, void *mydata, void *data)
{
glusterfs_ctx_t *ctx = NULL;
+ xlator_t *this = NULL;
- ctx = glusterfs_ctx_get ();
+ this = mydata;
+ ctx = glusterfsd_ctx;
gf_log ("mgmt", GF_LOG_INFO, "Volume file changed");
glusterfs_volfile_fetch (ctx);
return 0;
}
-rpcclnt_cb_actor_t gluster_cbk_actors[] = {
+
+int
+mgmt_cbk_event (struct rpc_clnt *rpc, void *mydata, void *data)
+{
+ return 0;
+}
+
+struct iobuf *
+glusterfs_serialize_reply (rpcsvc_request_t *req, void *arg,
+ struct iovec *outmsg, xdrproc_t xdrproc)
+{
+ struct iobuf *iob = NULL;
+ ssize_t retlen = -1;
+ ssize_t xdr_size = 0;
+
+ /* First, get the io buffer into which the reply in arg will
+ * be serialized.
+ */
+ xdr_size = xdr_sizeof (xdrproc, arg);
+ iob = iobuf_get2 (req->svc->ctx->iobuf_pool, xdr_size);
+ if (!iob) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Failed to get iobuf");
+ goto ret;
+ }
+
+ iobuf_to_iovec (iob, outmsg);
+ /* Use the given serializer to translate the give C structure in arg
+ * to XDR format which will be written into the buffer in outmsg.
+ */
+ /* retlen is used to received the error since size_t is unsigned and we
+ * need -1 for error notification during encoding.
+ */
+ retlen = xdr_serialize_generic (*outmsg, arg, xdrproc);
+ if (retlen == -1) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Failed to encode message");
+ goto ret;
+ }
+
+ outmsg->iov_len = retlen;
+ret:
+ if (retlen == -1) {
+ iob = NULL;
+ }
+
+ return iob;
+}
+
+int
+glusterfs_submit_reply (rpcsvc_request_t *req, void *arg,
+ struct iovec *payload, int payloadcount,
+ struct iobref *iobref, xdrproc_t xdrproc)
+{
+ struct iobuf *iob = NULL;
+ int ret = -1;
+ struct iovec rsp = {0,};
+ char new_iobref = 0;
+
+ if (!req) {
+ GF_ASSERT (req);
+ goto out;
+ }
+
+ if (!iobref) {
+ iobref = iobref_new ();
+ if (!iobref) {
+ gf_log (THIS->name, GF_LOG_ERROR, "out of memory");
+ goto out;
+ }
+
+ new_iobref = 1;
+ }
+
+ iob = glusterfs_serialize_reply (req, arg, &rsp, xdrproc);
+ if (!iob) {
+ gf_log_callingfn (THIS->name, GF_LOG_ERROR, "Failed to serialize reply");
+ } else {
+ iobref_add (iobref, iob);
+ }
+
+ ret = rpcsvc_submit_generic (req, &rsp, 1, payload, payloadcount,
+ iobref);
+
+ /* Now that we've done our job of handing the message to the RPC layer
+ * we can safely unref the iob in the hope that RPC layer must have
+ * ref'ed the iob on receiving into the txlist.
+ */
+ if (ret == -1) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Reply submission failed");
+ goto out;
+ }
+
+ ret = 0;
+out:
+ if (iob)
+ iobuf_unref (iob);
+
+ if (new_iobref && iobref)
+ iobref_unref (iobref);
+
+ return ret;
+}
+
+int
+glusterfs_terminate_response_send (rpcsvc_request_t *req, int op_ret)
+{
+ gd1_mgmt_brick_op_rsp rsp = {0,};
+ dict_t *dict = NULL;
+ int ret = 0;
+
+ rsp.op_ret = op_ret;
+ rsp.op_errno = 0;
+ rsp.op_errstr = "";
+ dict = dict_new ();
+
+ if (dict)
+ ret = dict_allocate_and_serialize (dict, &rsp.output.output_val,
+ &rsp.output.output_len);
+
+
+ if (ret == 0)
+ ret = glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+
+ GF_FREE (rsp.output.output_val);
+ if (dict)
+ dict_unref (dict);
+ return ret;
+}
+
+int
+glusterfs_handle_terminate (rpcsvc_request_t *req)
+{
+
+ glusterfs_terminate_response_send (req, 0);
+ cleanup_and_exit (SIGTERM);
+ return 0;
+}
+
+int
+glusterfs_translator_info_response_send (rpcsvc_request_t *req, int ret,
+ char *msg, dict_t *output)
+{
+ gd1_mgmt_brick_op_rsp rsp = {0,};
+ gf_boolean_t free_ptr = _gf_false;
+ GF_ASSERT (req);
+
+ rsp.op_ret = ret;
+ rsp.op_errno = 0;
+ if (ret && msg && msg[0])
+ rsp.op_errstr = msg;
+ else
+ rsp.op_errstr = "";
+
+ ret = -1;
+ if (output) {
+ ret = dict_allocate_and_serialize (output,
+ &rsp.output.output_val,
+ &rsp.output.output_len);
+ }
+ if (!ret)
+ free_ptr = _gf_true;
+
+ glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ ret = 0;
+ if (free_ptr)
+ GF_FREE (rsp.output.output_val);
+ return ret;
+}
+
+int
+glusterfs_xlator_op_response_send (rpcsvc_request_t *req, int op_ret,
+ char *msg, dict_t *output)
+{
+ gd1_mgmt_brick_op_rsp rsp = {0,};
+ int ret = -1;
+ gf_boolean_t free_ptr = _gf_false;
+ GF_ASSERT (req);
+
+ rsp.op_ret = op_ret;
+ rsp.op_errno = 0;
+ if (op_ret && msg && msg[0])
+ rsp.op_errstr = msg;
+ else
+ rsp.op_errstr = "";
+
+ if (output) {
+ ret = dict_allocate_and_serialize (output,
+ &rsp.output.output_val,
+ &rsp.output.output_len);
+ }
+ if (!ret)
+ free_ptr = _gf_true;
+
+ ret = glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+
+ if (free_ptr)
+ GF_FREE (rsp.output.output_val);
+
+ return ret;
+}
+
+int
+glusterfs_handle_translator_info_get (rpcsvc_request_t *req)
+{
+ int32_t ret = -1;
+ gd1_mgmt_brick_op_req xlator_req = {0,};
+ dict_t *dict = NULL;
+ xlator_t *this = NULL;
+ gf1_cli_top_op top_op = 0;
+ uint32_t blk_size = 0;
+ uint32_t blk_count = 0;
+ double time = 0;
+ double throughput = 0;
+ xlator_t *any = NULL;
+ xlator_t *xlator = NULL;
+ glusterfs_graph_t *active = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ char msg[2048] = {0,};
+ dict_t *output = NULL;
+
+ GF_ASSERT (req);
+ this = THIS;
+ GF_ASSERT (this);
+
+ ret = xdr_to_generic (req->msg[0], &xlator_req,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_req);
+ if (ret < 0) {
+ //failed to decode msg;
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ dict = dict_new ();
+ ret = dict_unserialize (xlator_req.input.input_val,
+ xlator_req.input.input_len,
+ &dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to "
+ "unserialize req-buffer to dictionary");
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, "top-op", (int32_t *)&top_op);
+ if ((!ret) && (GF_CLI_TOP_READ_PERF == top_op ||
+ GF_CLI_TOP_WRITE_PERF == top_op)) {
+ ret = dict_get_uint32 (dict, "blk-size", &blk_size);
+ if (ret)
+ goto cont;
+ ret = dict_get_uint32 (dict, "blk-cnt", &blk_count);
+ if (ret)
+ goto cont;
+
+ if (GF_CLI_TOP_READ_PERF == top_op) {
+ ret = glusterfs_volume_top_read_perf
+ (blk_size, blk_count, xlator_req.name,
+ &throughput, &time);
+ } else if ( GF_CLI_TOP_WRITE_PERF == top_op) {
+ ret = glusterfs_volume_top_write_perf
+ (blk_size, blk_count, xlator_req.name,
+ &throughput, &time);
+ }
+ ret = dict_set_double (dict, "time", time);
+ if (ret)
+ goto cont;
+ ret = dict_set_double (dict, "throughput", throughput);
+ if (ret)
+ goto cont;
+ }
+cont:
+ ctx = glusterfsd_ctx;
+ GF_ASSERT (ctx);
+ active = ctx->active;
+ any = active->first;
+
+ xlator = xlator_search_by_name (any, xlator_req.name);
+ if (!xlator) {
+ snprintf (msg, sizeof (msg), "xlator %s is not loaded",
+ xlator_req.name);
+ goto out;
+ }
+
+ output = dict_new ();
+ ret = xlator->notify (xlator, GF_EVENT_TRANSLATOR_INFO, dict, output);
+
+out:
+ ret = glusterfs_translator_info_response_send (req, ret, msg, output);
+
+ free (xlator_req.name);
+ free (xlator_req.input.input_val);
+ if (output)
+ dict_unref (output);
+ if (dict)
+ dict_unref (dict);
+ return ret;
+}
+
+int
+glusterfs_volume_top_write_perf (uint32_t blk_size, uint32_t blk_count,
+ char *brick_path, double *throughput,
+ double *time)
+{
+ int32_t fd = -1;
+ int32_t input_fd = -1;
+ char export_path[PATH_MAX];
+ char *buf = NULL;
+ int32_t iter = 0;
+ int32_t ret = -1;
+ uint64_t total_blks = 0;
+ struct timeval begin, end = {0,};
+
+ GF_ASSERT (brick_path);
+ GF_ASSERT (throughput);
+ GF_ASSERT (time);
+ if (!(blk_size > 0) || ! (blk_count > 0))
+ goto out;
+
+ snprintf (export_path, sizeof (export_path), "%s/%s",
+ brick_path, ".gf-tmp-stats-perf");
+
+ fd = open (export_path, O_CREAT|O_RDWR, S_IRWXU);
+ if (-1 == fd) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Could not open tmp file");
+ goto out;
+ }
+
+ buf = GF_MALLOC (blk_size * sizeof(*buf), gf_common_mt_char);
+ if (!buf) {
+ ret = -1;
+ goto out;
+ }
+
+ input_fd = open ("/dev/zero", O_RDONLY);
+ if (-1 == input_fd) {
+ ret = -1;
+ gf_log ("glusterd",GF_LOG_ERROR, "Unable to open input file");
+ goto out;
+ }
+
+ gettimeofday (&begin, NULL);
+ for (iter = 0; iter < blk_count; iter++) {
+ ret = read (input_fd, buf, blk_size);
+ if (ret != blk_size) {
+ ret = -1;
+ goto out;
+ }
+ ret = write (fd, buf, blk_size);
+ if (ret != blk_size) {
+ ret = -1;
+ goto out;
+ }
+ total_blks += ret;
+ }
+ ret = 0;
+ if (total_blks != ((uint64_t)blk_size * blk_count)) {
+ gf_log ("glusterd", GF_LOG_WARNING, "Error in write");
+ ret = -1;
+ goto out;
+ }
+
+ gettimeofday (&end, NULL);
+ *time = (end.tv_sec - begin.tv_sec) * 1e6
+ + (end.tv_usec - begin.tv_usec);
+ *throughput = total_blks / *time;
+ gf_log ("glusterd", GF_LOG_INFO, "Throughput %.2f Mbps time %.2f secs "
+ "bytes written %"PRId64, *throughput, *time, total_blks);
+
+out:
+ if (fd >= 0)
+ close (fd);
+ if (input_fd >= 0)
+ close (input_fd);
+ GF_FREE (buf);
+ unlink (export_path);
+
+ return ret;
+}
+
+int
+glusterfs_volume_top_read_perf (uint32_t blk_size, uint32_t blk_count,
+ char *brick_path, double *throughput,
+ double *time)
+{
+ int32_t fd = -1;
+ int32_t input_fd = -1;
+ int32_t output_fd = -1;
+ char export_path[PATH_MAX];
+ char *buf = NULL;
+ int32_t iter = 0;
+ int32_t ret = -1;
+ uint64_t total_blks = 0;
+ struct timeval begin, end = {0,};
+
+ GF_ASSERT (brick_path);
+ GF_ASSERT (throughput);
+ GF_ASSERT (time);
+ if (!(blk_size > 0) || ! (blk_count > 0))
+ goto out;
+
+ snprintf (export_path, sizeof (export_path), "%s/%s",
+ brick_path, ".gf-tmp-stats-perf");
+ fd = open (export_path, O_CREAT|O_RDWR, S_IRWXU);
+ if (-1 == fd) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Could not open tmp file");
+ goto out;
+ }
+
+ buf = GF_MALLOC (blk_size * sizeof(*buf), gf_common_mt_char);
+ if (!buf) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Could not allocate memory");
+ goto out;
+ }
+
+ input_fd = open ("/dev/zero", O_RDONLY);
+ if (-1 == input_fd) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Could not open input file");
+ goto out;
+ }
+
+ output_fd = open ("/dev/null", O_RDWR);
+ if (-1 == output_fd) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_ERROR, "Could not open output file");
+ goto out;
+ }
+
+ for (iter = 0; iter < blk_count; iter++) {
+ ret = read (input_fd, buf, blk_size);
+ if (ret != blk_size) {
+ ret = -1;
+ goto out;
+ }
+ ret = write (fd, buf, blk_size);
+ if (ret != blk_size) {
+ ret = -1;
+ goto out;
+ }
+ }
+
+ ret = fsync (fd);
+ if (ret) {
+ gf_log ("glusterd", GF_LOG_ERROR, "could not flush cache");
+ goto out;
+ }
+ ret = lseek (fd, 0L, 0);
+ if (ret != 0) {
+ gf_log ("glusterd", GF_LOG_ERROR,
+ "could not seek back to start");
+ ret = -1;
+ goto out;
+ }
+ gettimeofday (&begin, NULL);
+ for (iter = 0; iter < blk_count; iter++) {
+ ret = read (fd, buf, blk_size);
+ if (ret != blk_size) {
+ ret = -1;
+ goto out;
+ }
+ ret = write (output_fd, buf, blk_size);
+ if (ret != blk_size) {
+ ret = -1;
+ goto out;
+ }
+ total_blks += ret;
+ }
+ ret = 0;
+ if (total_blks != ((uint64_t)blk_size * blk_count)) {
+ ret = -1;
+ gf_log ("glusterd", GF_LOG_WARNING, "Error in read");
+ goto out;
+ }
+
+ gettimeofday (&end, NULL);
+ *time = (end.tv_sec - begin.tv_sec) * 1e6
+ + (end.tv_usec - begin.tv_usec);
+ *throughput = total_blks / *time;
+ gf_log ("glusterd", GF_LOG_INFO, "Throughput %.2f Mbps time %.2f secs "
+ "bytes read %"PRId64, *throughput, *time, total_blks);
+
+out:
+ if (fd >= 0)
+ close (fd);
+ if (input_fd >= 0)
+ close (input_fd);
+ if (output_fd >= 0)
+ close (output_fd);
+ GF_FREE (buf);
+ unlink (export_path);
+
+ return ret;
+}
+
+int
+glusterfs_handle_translator_op (rpcsvc_request_t *req)
+{
+ int32_t ret = -1;
+ gd1_mgmt_brick_op_req xlator_req = {0,};
+ dict_t *input = NULL;
+ xlator_t *xlator = NULL;
+ xlator_t *any = NULL;
+ dict_t *output = NULL;
+ char key[2048] = {0};
+ char *xname = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ glusterfs_graph_t *active = NULL;
+ xlator_t *this = NULL;
+ int i = 0;
+ int count = 0;
+
+ GF_ASSERT (req);
+ this = THIS;
+ GF_ASSERT (this);
+
+ ret = xdr_to_generic (req->msg[0], &xlator_req,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_req);
+ if (ret < 0) {
+ //failed to decode msg;
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ ctx = glusterfsd_ctx;
+ active = ctx->active;
+ any = active->first;
+ input = dict_new ();
+ ret = dict_unserialize (xlator_req.input.input_val,
+ xlator_req.input.input_len,
+ &input);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to "
+ "unserialize req-buffer to dictionary");
+ goto out;
+ } else {
+ input->extra_stdfree = xlator_req.input.input_val;
+ }
+
+ ret = dict_get_int32 (input, "count", &count);
+
+ output = dict_new ();
+ if (!output) {
+ ret = -1;
+ goto out;
+ }
+
+ for (i = 0; i < count; i++) {
+ snprintf (key, sizeof (key), "xl-%d", i);
+ ret = dict_get_str (input, key, &xname);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Couldn't get "
+ "xlator %s ", key);
+ goto out;
+ }
+ xlator = xlator_search_by_name (any, xname);
+ if (!xlator) {
+ gf_log (this->name, GF_LOG_ERROR, "xlator %s is not "
+ "loaded", xname);
+ goto out;
+ }
+ }
+ for (i = 0; i < count; i++) {
+ snprintf (key, sizeof (key), "xl-%d", i);
+ ret = dict_get_str (input, key, &xname);
+ xlator = xlator_search_by_name (any, xname);
+ XLATOR_NOTIFY (xlator, GF_EVENT_TRANSLATOR_OP, input, output);
+ if (ret)
+ break;
+ }
+out:
+ glusterfs_xlator_op_response_send (req, ret, "", output);
+ if (input)
+ dict_unref (input);
+ if (output)
+ dict_unref (output);
+ free (xlator_req.name); //malloced by xdr
+
+ return 0;
+}
+
+
+int
+glusterfs_handle_defrag (rpcsvc_request_t *req)
+{
+ int32_t ret = -1;
+ gd1_mgmt_brick_op_req xlator_req = {0,};
+ dict_t *dict = NULL;
+ xlator_t *xlator = NULL;
+ xlator_t *any = NULL;
+ dict_t *output = NULL;
+ char msg[2048] = {0};
+ glusterfs_ctx_t *ctx = NULL;
+ glusterfs_graph_t *active = NULL;
+ xlator_t *this = NULL;
+
+ GF_ASSERT (req);
+ this = THIS;
+ GF_ASSERT (this);
+
+ ctx = glusterfsd_ctx;
+ GF_ASSERT (ctx);
+
+ active = ctx->active;
+ if (!active) {
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ any = active->first;
+ ret = xdr_to_generic (req->msg[0], &xlator_req,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_req);
+ if (ret < 0) {
+ //failed to decode msg;
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+ dict = dict_new ();
+ if (!dict)
+ goto out;
+
+ ret = dict_unserialize (xlator_req.input.input_val,
+ xlator_req.input.input_len,
+ &dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to "
+ "unserialize req-buffer to dictionary");
+ goto out;
+ }
+ xlator = xlator_search_by_name (any, xlator_req.name);
+ if (!xlator) {
+ snprintf (msg, sizeof (msg), "xlator %s is not loaded",
+ xlator_req.name);
+ goto out;
+ }
+
+ output = dict_new ();
+ if (!output) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = xlator->notify (xlator, GF_EVENT_VOLUME_DEFRAG, dict, output);
+
+ ret = glusterfs_translator_info_response_send (req, ret,
+ msg, output);
+out:
+ if (dict)
+ dict_unref (dict);
+ free (xlator_req.input.input_val); // malloced by xdr
+ if (output)
+ dict_unref (output);
+ free (xlator_req.name); //malloced by xdr
+
+ return ret;
+
+}
+int
+glusterfs_handle_brick_status (rpcsvc_request_t *req)
+{
+ int ret = -1;
+ gd1_mgmt_brick_op_req brick_req = {0,};
+ gd1_mgmt_brick_op_rsp rsp = {0,};
+ glusterfs_ctx_t *ctx = NULL;
+ glusterfs_graph_t *active = NULL;
+ xlator_t *this = NULL;
+ xlator_t *any = NULL;
+ xlator_t *xlator = NULL;
+ dict_t *dict = NULL;
+ dict_t *output = NULL;
+ char *volname = NULL;
+ char *xname = NULL;
+ uint32_t cmd = 0;
+ char *msg = NULL;
+
+ GF_ASSERT (req);
+ this = THIS;
+ GF_ASSERT (this);
+
+ ret = xdr_to_generic (req->msg[0], &brick_req,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_req);
+ if (ret < 0) {
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ dict = dict_new ();
+ ret = dict_unserialize (brick_req.input.input_val,
+ brick_req.input.input_len, &dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR, "Failed to unserialize "
+ "req-buffer to dictionary");
+ goto out;
+ }
+
+ ret = dict_get_uint32 (dict, "cmd", &cmd);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Couldn't get status op");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Couldn't get volname");
+ goto out;
+ }
+
+ ctx = glusterfsd_ctx;
+ GF_ASSERT (ctx);
+ active = ctx->active;
+ any = active->first;
+
+ ret = gf_asprintf (&xname, "%s-server", volname);
+ if (-1 == ret) {
+ gf_log (this->name, GF_LOG_ERROR, "Out of memory");
+ goto out;
+ }
+
+ xlator = xlator_search_by_name (any, xname);
+ if (!xlator) {
+ gf_log (this->name, GF_LOG_ERROR, "xlator %s is not loaded",
+ xname);
+ ret = -1;
+ goto out;
+ }
+
+
+ output = dict_new ();
+ switch (cmd & GF_CLI_STATUS_MASK) {
+ case GF_CLI_STATUS_MEM:
+ ret = 0;
+ gf_proc_dump_mem_info_to_dict (output);
+ gf_proc_dump_mempool_info_to_dict (ctx, output);
+ break;
+
+ case GF_CLI_STATUS_CLIENTS:
+ ret = xlator->dumpops->priv_to_dict (xlator, output);
+ break;
+
+ case GF_CLI_STATUS_INODE:
+ ret = xlator->dumpops->inode_to_dict (xlator, output);
+ break;
+
+ case GF_CLI_STATUS_FD:
+ ret = xlator->dumpops->fd_to_dict (xlator, output);
+ break;
+
+ case GF_CLI_STATUS_CALLPOOL:
+ ret = 0;
+ gf_proc_dump_pending_frames_to_dict (ctx->pool, output);
+ break;
+
+ default:
+ ret = -1;
+ msg = gf_strdup ("Unknown status op");
+ break;
+ }
+ rsp.op_ret = ret;
+ rsp.op_errno = 0;
+ if (ret && msg)
+ rsp.op_errstr = msg;
+ else
+ rsp.op_errstr = "";
+
+ ret = dict_allocate_and_serialize (output, &rsp.output.output_val,
+ &rsp.output.output_len);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to serialize output dict to rsp");
+ goto out;
+ }
+
+ glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ ret = 0;
+
+out:
+ if (dict)
+ dict_unref (dict);
+ if (output)
+ dict_unref (output);
+ free (brick_req.input.input_val);
+ GF_FREE (xname);
+ GF_FREE (msg);
+ GF_FREE (rsp.output.output_val);
+
+ return ret;
+}
+
+
+int
+glusterfs_handle_node_status (rpcsvc_request_t *req)
+{
+ int ret = -1;
+ gd1_mgmt_brick_op_req node_req = {0,};
+ gd1_mgmt_brick_op_rsp rsp = {0,};
+ glusterfs_ctx_t *ctx = NULL;
+ glusterfs_graph_t *active = NULL;
+ xlator_t *any = NULL;
+ xlator_t *node = NULL;
+ xlator_t *subvol = NULL;
+ dict_t *dict = NULL;
+ dict_t *output = NULL;
+ char *volname = NULL;
+ char *node_name = NULL;
+ char *subvol_name = NULL;
+ uint32_t cmd = 0;
+ char *msg = NULL;
+
+ GF_ASSERT (req);
+
+ ret = xdr_to_generic (req->msg[0], &node_req,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_req);
+ if (ret < 0) {
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ dict = dict_new ();
+ ret = dict_unserialize (node_req.input.input_val,
+ node_req.input.input_len, &dict);
+ if (ret < 0) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Failed to unserialize "
+ "req buffer to dictionary");
+ goto out;
+ }
+
+ ret = dict_get_uint32 (dict, "cmd", &cmd);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Couldn't get status op");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Couldn't get volname");
+ goto out;
+ }
+
+ ctx = glusterfsd_ctx;
+ GF_ASSERT (ctx);
+ active = ctx->active;
+ any = active->first;
+
+ if ((cmd & GF_CLI_STATUS_NFS) != 0)
+ ret = gf_asprintf (&node_name, "%s", "nfs-server");
+ else if ((cmd & GF_CLI_STATUS_SHD) != 0)
+ ret = gf_asprintf (&node_name, "%s", "glustershd");
+ else {
+ ret = -1;
+ goto out;
+ }
+ if (ret == -1) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Failed to set node xlator name");
+ goto out;
+ }
+
+ node = xlator_search_by_name (any, node_name);
+ if (!node) {
+ ret = -1;
+ gf_log (THIS->name, GF_LOG_ERROR, "%s xlator is not loaded",
+ node_name);
+ goto out;
+ }
+
+ if ((cmd & GF_CLI_STATUS_NFS) != 0)
+ ret = gf_asprintf (&subvol_name, "%s", volname);
+ else if ((cmd & GF_CLI_STATUS_SHD) != 0)
+ ret = gf_asprintf (&subvol_name, "%s-replicate-0", volname);
+ else {
+ ret = -1;
+ goto out;
+ }
+ if (ret == -1) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Failed to set node xlator name");
+ goto out;
+ }
+
+ subvol = xlator_search_by_name (node, subvol_name);
+ if (!subvol) {
+ ret = -1;
+ gf_log (THIS->name, GF_LOG_ERROR, "%s xlator is not loaded",
+ subvol_name);
+ goto out;
+ }
+
+ output = dict_new ();
+ switch (cmd & GF_CLI_STATUS_MASK) {
+ case GF_CLI_STATUS_MEM:
+ ret = 0;
+ gf_proc_dump_mem_info_to_dict (output);
+ gf_proc_dump_mempool_info_to_dict (ctx, output);
+ break;
+
+ case GF_CLI_STATUS_CLIENTS:
+ // clients not availbale for SHD
+ if ((cmd & GF_CLI_STATUS_SHD) != 0)
+ break;
+
+ ret = dict_set_str (output, "volname", volname);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Error setting volname to dict");
+ goto out;
+ }
+ ret = node->dumpops->priv_to_dict (node, output);
+ break;
+
+ case GF_CLI_STATUS_INODE:
+ ret = 0;
+ inode_table_dump_to_dict (subvol->itable, "conn0",
+ output);
+ ret = dict_set_int32 (output, "conncount", 1);
+ break;
+
+ case GF_CLI_STATUS_FD:
+ // cannot find fd-tables in nfs-server graph
+ // TODO: finish once found
+ break;
+
+ case GF_CLI_STATUS_CALLPOOL:
+ ret = 0;
+ gf_proc_dump_pending_frames_to_dict (ctx->pool, output);
+ break;
+
+ default:
+ ret = -1;
+ msg = gf_strdup ("Unknown status op");
+ gf_log (THIS->name, GF_LOG_ERROR, "%s", msg);
+ break;
+ }
+ rsp.op_ret = ret;
+ rsp.op_errno = 0;
+ if (ret && msg)
+ rsp.op_errstr = msg;
+ else
+ rsp.op_errstr = "";
+
+ ret = dict_allocate_and_serialize (output, &rsp.output.output_val,
+ &rsp.output.output_len);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Failed to serialize output dict to rsp");
+ goto out;
+ }
+
+ glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ ret = 0;
+
+out:
+ if (dict)
+ dict_unref (dict);
+ free (node_req.input.input_val);
+ GF_FREE (msg);
+ GF_FREE (rsp.output.output_val);
+ GF_FREE (node_name);
+ GF_FREE (subvol_name);
+
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
+int
+glusterfs_handle_nfs_profile (rpcsvc_request_t *req)
+{
+ int ret = -1;
+ gd1_mgmt_brick_op_req nfs_req = {0,};
+ gd1_mgmt_brick_op_rsp rsp = {0,};
+ dict_t *dict = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ glusterfs_graph_t *active = NULL;
+ xlator_t *any = NULL;
+ xlator_t *nfs = NULL;
+ xlator_t *subvol = NULL;
+ char *volname = NULL;
+ dict_t *output = NULL;
+
+ GF_ASSERT (req);
+
+ ret = xdr_to_generic (req->msg[0], &nfs_req,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_req);
+ if (ret < 0) {
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ dict = dict_new ();
+ ret = dict_unserialize (nfs_req.input.input_val,
+ nfs_req.input.input_len, &dict);
+ if (ret < 0) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Failed to "
+ "unserialize req-buffer to dict");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Couldn't get volname");
+ goto out;
+ }
+
+ ctx = glusterfsd_ctx;
+ GF_ASSERT (ctx);
+
+ active = ctx->active;
+ any = active->first;
+
+ // is this needed?
+ // are problems possible by searching for subvol directly from "any"?
+ nfs = xlator_search_by_name (any, "nfs-server");
+ if (!nfs) {
+ ret = -1;
+ gf_log (THIS->name, GF_LOG_ERROR, "xlator nfs-server is "
+ "not loaded");
+ goto out;
+ }
+
+ subvol = xlator_search_by_name (nfs, volname);
+ if (!subvol) {
+ ret = -1;
+ gf_log (THIS->name, GF_LOG_ERROR, "xlator %s is no loaded",
+ volname);
+ goto out;
+ }
+
+ output = dict_new ();
+ ret = subvol->notify (subvol, GF_EVENT_TRANSLATOR_INFO, dict, output);
+
+ rsp.op_ret = ret;
+ rsp.op_errno = 0;
+ rsp.op_errstr = "";
+
+ ret = dict_allocate_and_serialize (output, &rsp.output.output_val,
+ &rsp.output.output_len);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Failed to serialize output dict to rsp");
+ goto out;
+ }
+
+ glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ ret = 0;
+
+out:
+ free (nfs_req.input.input_val);
+ if (dict)
+ dict_unref (dict);
+ if (output)
+ dict_unref (output);
+ GF_FREE (rsp.output.output_val);
+
+ gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
+ return ret;
+}
+
+int
+glusterfs_handle_volume_barrier_op (rpcsvc_request_t *req)
+{
+ int32_t ret = -1;
+ gd1_mgmt_brick_op_req xlator_req = {0,};
+ dict_t *dict = NULL;
+ xlator_t *xlator = NULL;
+ xlator_t *any = NULL;
+ dict_t *output = NULL;
+ char msg[2048] = {0};
+ glusterfs_ctx_t *ctx = NULL;
+ glusterfs_graph_t *active = NULL;
+ xlator_t *this = NULL;
+
+ GF_ASSERT (req);
+ this = THIS;
+ GF_ASSERT (this);
+
+ ctx = glusterfsd_ctx;
+ GF_ASSERT (ctx);
+
+ active = ctx->active;
+ if (!active) {
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ any = active->first;
+ ret = xdr_to_generic (req->msg[0], &xlator_req,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_req);
+ if (ret < 0) {
+ //failed to decode msg;
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+ dict = dict_new ();
+ if (!dict)
+ goto out;
+
+ ret = dict_unserialize (xlator_req.input.input_val,
+ xlator_req.input.input_len,
+ &dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to "
+ "unserialize req-buffer to dictionary");
+ goto out;
+ }
+ xlator = xlator_search_by_name (any, xlator_req.name);
+ if (!xlator) {
+ snprintf (msg, sizeof (msg), "xlator %s is not loaded",
+ xlator_req.name);
+ goto out;
+ }
+
+ output = dict_new ();
+ if (!output) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = xlator->notify (xlator, GF_EVENT_VOLUME_BARRIER_OP,
+ dict, output);
+
+ ret = glusterfs_translator_info_response_send (req, ret,
+ msg, output);
+out:
+ if (dict)
+ dict_unref (dict);
+ free (xlator_req.input.input_val); // malloced by xdr
+ if (output)
+ dict_unref (output);
+ free (xlator_req.name); //malloced by xdr
+
+ return ret;
+
+}
+int
+glusterfs_handle_rpc_msg (rpcsvc_request_t *req)
+{
+ int ret = -1;
+ /* for now, nothing */
+ return ret;
+}
+
+rpcclnt_cb_actor_t mgmt_cbk_actors[] = {
[GF_CBK_FETCHSPEC] = {"FETCHSPEC", GF_CBK_FETCHSPEC, mgmt_cbk_spec },
+ [GF_CBK_EVENT_NOTIFY] = {"EVENTNOTIFY", GF_CBK_EVENT_NOTIFY,
+ mgmt_cbk_event},
};
@@ -71,7 +1219,7 @@ struct rpcclnt_cb_program mgmt_cbk_prog = {
.progname = "GlusterFS Callback",
.prognum = GLUSTER_CBK_PROGRAM,
.progver = GLUSTER_CBK_VERSION,
- .actors = gluster_cbk_actors,
+ .actors = mgmt_cbk_actors,
.numactors = GF_CBK_MAXVALUE,
};
@@ -97,6 +1245,7 @@ char *clnt_handshake_procs[GF_HNDSK_MAXVALUE] = {
[GF_HNDSK_SETVOLUME] = "SETVOLUME",
[GF_HNDSK_GETSPEC] = "GETSPEC",
[GF_HNDSK_PING] = "PING",
+ [GF_HNDSK_EVENT_NOTIFY] = "EVENTNOTIFY",
};
rpc_clnt_prog_t clnt_handshake_prog = {
@@ -106,38 +1255,62 @@ rpc_clnt_prog_t clnt_handshake_prog = {
.procnames = clnt_handshake_procs,
};
+rpcsvc_actor_t glusterfs_actors[] = {
+ [GLUSTERD_BRICK_NULL] = {"NULL", GLUSTERD_BRICK_NULL, glusterfs_handle_rpc_msg, NULL, 0, DRC_NA},
+ [GLUSTERD_BRICK_TERMINATE] = {"TERMINATE", GLUSTERD_BRICK_TERMINATE, glusterfs_handle_terminate, NULL, 0, DRC_NA},
+ [GLUSTERD_BRICK_XLATOR_INFO] = {"TRANSLATOR INFO", GLUSTERD_BRICK_XLATOR_INFO, glusterfs_handle_translator_info_get, NULL, 0, DRC_NA},
+ [GLUSTERD_BRICK_XLATOR_OP] = {"TRANSLATOR OP", GLUSTERD_BRICK_XLATOR_OP, glusterfs_handle_translator_op, NULL, 0, DRC_NA},
+ [GLUSTERD_BRICK_STATUS] = {"STATUS", GLUSTERD_BRICK_STATUS, glusterfs_handle_brick_status, NULL, 0, DRC_NA},
+ [GLUSTERD_BRICK_XLATOR_DEFRAG] = {"TRANSLATOR DEFRAG", GLUSTERD_BRICK_XLATOR_DEFRAG, glusterfs_handle_defrag, NULL, 0, DRC_NA},
+ [GLUSTERD_NODE_PROFILE] = {"NFS PROFILE", GLUSTERD_NODE_PROFILE, glusterfs_handle_nfs_profile, NULL, 0, DRC_NA},
+ [GLUSTERD_NODE_STATUS] = {"NFS STATUS", GLUSTERD_NODE_STATUS, glusterfs_handle_node_status, NULL, 0, DRC_NA},
+ [GLUSTERD_VOLUME_BARRIER_OP] = {"VOLUME BARRIER OP", GLUSTERD_VOLUME_BARRIER_OP, glusterfs_handle_volume_barrier_op, NULL, 0, DRC_NA},
+};
+
+struct rpcsvc_program glusterfs_mop_prog = {
+ .progname = "Gluster Brick operations",
+ .prognum = GD_BRICK_PROGRAM,
+ .progver = GD_BRICK_VERSION,
+ .actors = glusterfs_actors,
+ .numactors = GLUSTERD_BRICK_MAXVALUE,
+ .synctask = _gf_true,
+};
+
int
mgmt_submit_request (void *req, call_frame_t *frame,
glusterfs_ctx_t *ctx,
rpc_clnt_prog_t *prog, int procnum,
- mgmt_serialize_t sfunc, fop_cbk_fn_t cbkfn)
+ fop_cbk_fn_t cbkfn, xdrproc_t xdrproc)
{
int ret = -1;
int count = 0;
struct iovec iov = {0, };
struct iobuf *iobuf = NULL;
struct iobref *iobref = NULL;
+ ssize_t xdr_size = 0;
iobref = iobref_new ();
if (!iobref) {
goto out;
}
- iobuf = iobuf_get (ctx->iobuf_pool);
- if (!iobuf) {
- goto out;
- };
+ if (req) {
+ xdr_size = xdr_sizeof (xdrproc, req);
- iobref_add (iobref, iobuf);
+ iobuf = iobuf_get2 (ctx->iobuf_pool, xdr_size);
+ if (!iobuf) {
+ goto out;
+ };
- iov.iov_base = iobuf->ptr;
- iov.iov_len = 128 * GF_UNIT_KB;
+ iobref_add (iobref, iobuf);
+ iov.iov_base = iobuf->ptr;
+ iov.iov_len = iobuf_pagesize (iobuf);
- /* Create the xdr payload */
- if (req && sfunc) {
- ret = sfunc (iov, req);
+ /* Create the xdr payload */
+ ret = xdr_serialize_generic (iov, req, xdrproc);
if (ret == -1) {
+ gf_log (THIS->name, GF_LOG_WARNING, "failed to create XDR payload");
goto out;
}
iov.iov_len = ret;
@@ -153,14 +1326,18 @@ out:
if (iobref)
iobref_unref (iobref);
+ if (iobuf)
+ iobuf_unref (iobuf);
return ret;
}
/* XXX: move these into @ctx */
-static char oldvolfile[131072];
+static char *oldvolfile = NULL;
static int oldvollen = 0;
+
+
int
mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
void *myframe)
@@ -171,6 +1348,7 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
int ret = 0;
ssize_t size = 0;
FILE *tmpfp = NULL;
+ char *volfilebuf = NULL;
frame = myframe;
ctx = frame->this->ctx;
@@ -180,9 +1358,9 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
goto out;
}
- ret = xdr_to_getspec_rsp (*iov, &rsp);
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_gf_getspec_rsp);
if (ret < 0) {
- gf_log (frame->this->name, GF_LOG_ERROR, "error");
+ gf_log (frame->this->name, GF_LOG_ERROR, "XDR decoding error");
ret = -1;
goto out;
}
@@ -190,15 +1368,18 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
if (-1 == rsp.op_ret) {
gf_log (frame->this->name, GF_LOG_ERROR,
"failed to get the 'volume file' from server");
- ret = -1;
+ ret = rsp.op_errno;
goto out;
}
ret = 0;
size = rsp.op_ret;
- if (size == oldvollen && (memcmp (oldvolfile, rsp.spec, size) == 0))
+ if (size == oldvollen && (memcmp (oldvolfile, rsp.spec, size) == 0)) {
+ gf_log (frame->this->name, GF_LOG_INFO,
+ "No change in volfile, continuing");
goto out;
+ }
tmpfp = tmpfile ();
if (!tmpfp) {
@@ -208,23 +1389,78 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
fwrite (rsp.spec, size, 1, tmpfp);
fflush (tmpfp);
+ if (ferror (tmpfp)) {
+ ret = -1;
+ goto out;
+ }
+
+ /* Check if only options have changed. No need to reload the
+ * volfile if topology hasn't changed.
+ * glusterfs_volfile_reconfigure returns 3 possible return states
+ * return 0 =======> reconfiguration of options has succeeded
+ * return 1 =======> the graph has to be reconstructed and all the xlators should be inited
+ * return -1(or -ve) =======> Some Internal Error occurred during the operation
+ */
+
+ ret = glusterfs_volfile_reconfigure (oldvollen, tmpfp, ctx, oldvolfile);
+ if (ret == 0) {
+ gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,
+ "No need to re-load volfile, reconfigure done");
+ if (oldvolfile)
+ volfilebuf = GF_REALLOC (oldvolfile, size);
+ else
+ volfilebuf = GF_CALLOC (1, size, gf_common_mt_char);
+ if (!volfilebuf) {
+ ret = -1;
+ goto out;
+ }
+ oldvolfile = volfilebuf;
+ oldvollen = size;
+ memcpy (oldvolfile, rsp.spec, size);
+ goto out;
+ }
+
+ if (ret < 0) {
+ gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG, "Reconfigure failed !!");
+ goto out;
+ }
ret = glusterfs_process_volfp (ctx, tmpfp);
+ /* tmpfp closed */
+ tmpfp = NULL;
if (ret)
goto out;
+ if (oldvolfile)
+ volfilebuf = GF_REALLOC (oldvolfile, size);
+ else
+ volfilebuf = GF_CALLOC (1, size, gf_common_mt_char);
+
+ if (!volfilebuf) {
+ ret = -1;
+ goto out;
+ }
+ oldvolfile = volfilebuf;
oldvollen = size;
memcpy (oldvolfile, rsp.spec, size);
if (!is_mgmt_rpc_reconnect) {
glusterfs_mgmt_pmap_signin (ctx);
- is_mgmt_rpc_reconnect = 1;
+ is_mgmt_rpc_reconnect = _gf_true;
}
out:
STACK_DESTROY (frame->root);
- if (rsp.spec)
- free (rsp.spec);
+ free (rsp.spec);
+
+ emancipate (ctx, ret);
+
+ // Stop if server is running at an unsupported op-version
+ if (ENOTSUP == ret) {
+ gf_log ("mgmt", GF_LOG_ERROR, "Server is operating at an "
+ "op-version which is not supported");
+ cleanup_and_exit (0);
+ }
if (ret && ctx && !ctx->active) {
/* Do it only for the first time */
@@ -235,6 +1471,11 @@ out:
ctx->cmd_args.volfile_id);
cleanup_and_exit (0);
}
+
+
+ if (tmpfp)
+ fclose (tmpfp);
+
return 0;
}
@@ -246,6 +1487,7 @@ glusterfs_volfile_fetch (glusterfs_ctx_t *ctx)
gf_getspec_req req = {0, };
int ret = 0;
call_frame_t *frame = NULL;
+ dict_t *dict = NULL;
cmd_args = &ctx->cmd_args;
@@ -254,58 +1496,380 @@ glusterfs_volfile_fetch (glusterfs_ctx_t *ctx)
req.key = cmd_args->volfile_id;
req.flags = 0;
+ dict = dict_new ();
+ if (!dict) {
+ ret = -1;
+ goto out;
+ }
+
+ // Set the supported min and max op-versions, so glusterd can make a
+ // decision
+ ret = dict_set_int32 (dict, "min-op-version", GD_OP_VERSION_MIN);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Failed to set min-op-version"
+ " in request dict");
+ goto out;
+ }
+
+ ret = dict_set_int32 (dict, "max-op-version", GD_OP_VERSION_MAX);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_ERROR, "Failed to set max-op-version"
+ " in request dict");
+ goto out;
+ }
+
+ ret = dict_allocate_and_serialize (dict, &req.xdata.xdata_val,
+ &req.xdata.xdata_len);
+ if (ret < 0) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "Failed to serialize dictionary");
+ goto out;
+ }
+
ret = mgmt_submit_request (&req, frame, ctx, &clnt_handshake_prog,
- GF_HNDSK_GETSPEC, xdr_from_getspec_req,
- mgmt_getspec_cbk);
+ GF_HNDSK_GETSPEC, mgmt_getspec_cbk,
+ (xdrproc_t)xdr_gf_getspec_req);
+out:
+ return ret;
+}
+
+int32_t
+mgmt_event_notify_cbk (struct rpc_req *req, struct iovec *iov, int count,
+ void *myframe)
+{
+ gf_event_notify_rsp rsp = {0,};
+ call_frame_t *frame = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ int ret = 0;
+
+ frame = myframe;
+ ctx = frame->this->ctx;
+
+ if (-1 == req->rpc_status) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_gf_event_notify_rsp);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR, "XDR decoding error");
+ ret = -1;
+ goto out;
+ }
+
+ if (-1 == rsp.op_ret) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "failed to get the rsp from server");
+ ret = -1;
+ goto out;
+ }
+out:
+ free (rsp.dict.dict_val); //malloced by xdr
+ return ret;
+
+}
+
+int32_t
+glusterfs_rebalance_event_notify_cbk (struct rpc_req *req, struct iovec *iov,
+ int count, void *myframe)
+{
+ gf_event_notify_rsp rsp = {0,};
+ call_frame_t *frame = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ int ret = 0;
+
+ frame = myframe;
+ ctx = frame->this->ctx;
+
+ if (-1 == req->rpc_status) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "failed to get the rsp from server");
+ ret = -1;
+ goto out;
+ }
+
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_gf_event_notify_rsp);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR, "XDR decoding error");
+ ret = -1;
+ goto out;
+ }
+
+ if (-1 == rsp.op_ret) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "Received error (%s) from server",
+ strerror (rsp.op_errno));
+ ret = -1;
+ goto out;
+ }
+out:
+ free (rsp.dict.dict_val); //malloced by xdr
return ret;
+
}
+int32_t
+glusterfs_rebalance_event_notify (dict_t *dict)
+{
+ glusterfs_ctx_t *ctx = NULL;
+ gf_event_notify_req req = {0,};
+ int32_t ret = -1;
+ cmd_args_t *cmd_args = NULL;
+ call_frame_t *frame = NULL;
+
+ ctx = glusterfsd_ctx;
+ cmd_args = &ctx->cmd_args;
+
+ frame = create_frame (THIS, ctx->pool);
+
+ req.op = GF_EN_DEFRAG_STATUS;
+
+ if (dict) {
+ ret = dict_set_str (dict, "volname", cmd_args->volfile_id);
+ if (ret)
+ gf_log ("", GF_LOG_ERROR, "failed to set volname");
+
+ ret = dict_allocate_and_serialize (dict, &req.dict.dict_val,
+ &req.dict.dict_len);
+ }
+
+ ret = mgmt_submit_request (&req, frame, ctx, &clnt_handshake_prog,
+ GF_HNDSK_EVENT_NOTIFY,
+ glusterfs_rebalance_event_notify_cbk,
+ (xdrproc_t)xdr_gf_event_notify_req);
+
+ GF_FREE (req.dict.dict_val);
+
+ STACK_DESTROY (frame->root);
+ return ret;
+}
static int
mgmt_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event,
void *data)
{
- xlator_t *this = NULL;
- glusterfs_ctx_t *ctx = NULL;
+ xlator_t *this = NULL;
+ glusterfs_ctx_t *ctx = NULL;
int ret = 0;
+ server_cmdline_t *server = NULL;
+ rpc_transport_t *rpc_trans = NULL;
+ int need_term = 0;
+ int emval = 0;
this = mydata;
+ rpc_trans = rpc->conn.trans;
ctx = this->ctx;
switch (event) {
+ case RPC_CLNT_DISCONNECT:
+ if (!ctx->active) {
+ gf_log ("glusterfsd-mgmt", GF_LOG_ERROR,
+ "failed to connect with remote-host: %s (%s)",
+ ctx->cmd_args.volfile_server,
+ strerror (errno));
+ server = ctx->cmd_args.curr_server;
+ if (server->list.next == &ctx->cmd_args.volfile_servers) {
+ need_term = 1;
+ emval = ENOTCONN;
+ gf_log("glusterfsd-mgmt", GF_LOG_INFO,
+ "Exhausted all volfile servers");
+ break;
+ }
+ server = list_entry (server->list.next, typeof(*server),
+ list);
+ ctx->cmd_args.curr_server = server;
+ ctx->cmd_args.volfile_server = server->volfile_server;
+
+ ret = dict_set_str (rpc_trans->options,
+ "remote-host",
+ server->volfile_server);
+ if (ret != 0) {
+ gf_log ("glusterfsd-mgmt", GF_LOG_ERROR,
+ "failed to set remote-host: %s",
+ server->volfile_server);
+ need_term = 1;
+ emval = ENOTCONN;
+ break;
+ }
+ gf_log ("glusterfsd-mgmt", GF_LOG_INFO,
+ "connecting to next volfile server %s",
+ server->volfile_server);
+ }
+ break;
case RPC_CLNT_CONNECT:
- rpc_clnt_set_connected (ctx->mgmt);
+ rpc_clnt_set_connected (&((struct rpc_clnt*)ctx->mgmt)->conn);
ret = glusterfs_volfile_fetch (ctx);
- if (ret && ctx && (ctx->active == NULL)) {
- /* Do it only for the first time */
- /* Exit the process.. there is some wrong options */
- gf_log ("mgmt", GF_LOG_ERROR,
- "failed to fetch volume file (key:%s)",
- ctx->cmd_args.volfile_id);
- cleanup_and_exit (0);
+ if (ret) {
+ emval = ret;
+ if (!ctx->active) {
+ need_term = 1;
+ gf_log ("glusterfsd-mgmt", GF_LOG_ERROR,
+ "failed to fetch volume file (key:%s)",
+ ctx->cmd_args.volfile_id);
+ break;
+
+ }
}
if (is_mgmt_rpc_reconnect)
glusterfs_mgmt_pmap_signin (ctx);
+
+ break;
+ default:
break;
+ }
+
+ if (need_term) {
+ emancipate (ctx, emval);
+ cleanup_and_exit (1);
+ }
+
+ return 0;
+}
+
+int
+glusterfs_rpcsvc_notify (rpcsvc_t *rpc, void *xl, rpcsvc_event_t event,
+ void *data)
+{
+ if (!xl || !data) {
+ goto out;
+ }
+
+ switch (event) {
+ case RPCSVC_EVENT_ACCEPT:
+ {
+ break;
+ }
+ case RPCSVC_EVENT_DISCONNECT:
+ {
+ break;
+ }
+
default:
break;
}
+out:
return 0;
}
+int
+glusterfs_listener_init (glusterfs_ctx_t *ctx)
+{
+ cmd_args_t *cmd_args = NULL;
+ rpcsvc_t *rpc = NULL;
+ dict_t *options = NULL;
+ int ret = -1;
+
+ cmd_args = &ctx->cmd_args;
+
+ if (ctx->listener)
+ return 0;
+
+ if (!cmd_args->sock_file)
+ return 0;
+
+ ret = rpcsvc_transport_unix_options_build (&options,
+ cmd_args->sock_file);
+ if (ret)
+ goto out;
+
+ rpc = rpcsvc_init (THIS, ctx, options, 8);
+ if (rpc == NULL) {
+ goto out;
+ }
+
+ ret = rpcsvc_register_notify (rpc, glusterfs_rpcsvc_notify, THIS);
+ if (ret) {
+ goto out;
+ }
+
+ ret = rpcsvc_create_listeners (rpc, options, "glusterfsd");
+ if (ret < 1) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = rpcsvc_program_register (rpc, &glusterfs_mop_prog);
+ if (ret) {
+ goto out;
+ }
+
+ ctx->listener = rpc;
+
+out:
+ return ret;
+}
+
+int
+glusterfs_listener_stop (glusterfs_ctx_t *ctx)
+{
+ cmd_args_t *cmd_args = NULL;
+ rpcsvc_t *rpc = NULL;
+ rpcsvc_listener_t *listener = NULL;
+ rpcsvc_listener_t *next = NULL;
+ int ret = 0;
+ xlator_t *this = NULL;
+
+ GF_ASSERT (ctx);
+
+ rpc = ctx->listener;
+ ctx->listener = NULL;
+
+ (void) rpcsvc_program_unregister(rpc, &glusterfs_mop_prog);
+
+ list_for_each_entry_safe (listener, next, &rpc->listeners, list) {
+ rpcsvc_listener_destroy (listener);
+ }
+
+ (void) rpcsvc_unregister_notify (rpc, glusterfs_rpcsvc_notify, THIS);
+
+ GF_FREE (rpc);
+
+ cmd_args = &ctx->cmd_args;
+ if (cmd_args->sock_file) {
+ ret = unlink (cmd_args->sock_file);
+ if (ret && (ENOENT == errno)) {
+ ret = 0;
+ }
+ }
+
+ if (ret) {
+ this = THIS;
+ gf_log (this->name, GF_LOG_ERROR, "Failed to unlink listener "
+ "socket %s, error: %s", cmd_args->sock_file,
+ strerror (errno));
+ }
+ return ret;
+}
+
+int
+glusterfs_mgmt_notify (int32_t op, void *data, ...)
+{
+ int ret = 0;
+ switch (op)
+ {
+ case GF_EN_DEFRAG_STATUS:
+ ret = glusterfs_rebalance_event_notify ((dict_t*) data);
+ break;
+
+ default:
+ gf_log ("", GF_LOG_ERROR, "Invalid op");
+ break;
+ }
+
+ return ret;
+}
int
glusterfs_mgmt_init (glusterfs_ctx_t *ctx)
{
cmd_args_t *cmd_args = NULL;
struct rpc_clnt *rpc = NULL;
- struct rpc_clnt_config rpc_cfg = {0,};
dict_t *options = NULL;
int ret = -1;
- int port = 6969;
+ int port = GF_DEFAULT_BASE_PORT;
char *host = NULL;
cmd_args = &ctx->cmd_args;
@@ -313,10 +1877,6 @@ glusterfs_mgmt_init (glusterfs_ctx_t *ctx)
if (ctx->mgmt)
return 0;
- options = dict_new ();
- if (!options)
- goto out;
-
if (cmd_args->volfile_server_port)
port = cmd_args->volfile_server_port;
@@ -324,45 +1884,76 @@ glusterfs_mgmt_init (glusterfs_ctx_t *ctx)
if (cmd_args->volfile_server)
host = cmd_args->volfile_server;
- rpc_cfg.remote_host = host;
- rpc_cfg.remote_port = port;
-
- ret = dict_set_int32 (options, "remote-port", port);
+ ret = rpc_transport_inet_options_build (&options, host, port);
if (ret)
goto out;
- ret = dict_set_str (options, "remote-host", host);
- if (ret)
+ rpc = rpc_clnt_new (options, THIS->ctx, THIS->name, 8);
+ if (!rpc) {
+ ret = -1;
+ gf_log (THIS->name, GF_LOG_WARNING, "failed to create rpc clnt");
goto out;
+ }
- ret = dict_set_str (options, "transport.address-family", "inet");
- if (ret)
+ ret = rpc_clnt_register_notify (rpc, mgmt_rpc_notify, THIS);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_WARNING,
+ "failed to register notify function");
goto out;
+ }
- ret = dict_set_str (options, "transport-type", "socket");
- if (ret)
- goto out;
-
- rpc = rpc_clnt_init (&rpc_cfg, options, THIS->ctx, THIS->name);
- if (!rpc) {
- ret = -1;
+ ret = rpcclnt_cbk_program_register (rpc, &mgmt_cbk_prog, THIS);
+ if (ret) {
+ gf_log (THIS->name, GF_LOG_WARNING,
+ "failed to register callback function");
goto out;
}
+ ctx->notify = glusterfs_mgmt_notify;
+
+ /* This value should be set before doing the 'rpc_clnt_start()' as
+ the notify function uses this variable */
ctx->mgmt = rpc;
- ret = rpc_clnt_register_notify (rpc, mgmt_rpc_notify, THIS);
- if (ret)
+ ret = rpc_clnt_start (rpc);
+out:
+ return ret;
+}
+
+static int
+mgmt_pmap_signin2_cbk (struct rpc_req *req, struct iovec *iov, int count,
+ void *myframe)
+{
+ pmap_signin_rsp rsp = {0,};
+ call_frame_t *frame = NULL;
+ int ret = 0;
+
+ frame = myframe;
+
+ if (-1 == req->rpc_status) {
+ rsp.op_ret = -1;
+ rsp.op_errno = EINVAL;
goto out;
+ }
- ret = rpcclnt_cbk_program_register (rpc, &mgmt_cbk_prog);
- if (ret)
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_pmap_signin_rsp);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR, "XDR decode error");
+ rsp.op_ret = -1;
+ rsp.op_errno = EINVAL;
goto out;
+ }
+ if (-1 == rsp.op_ret) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "failed to register the port with glusterd");
+ goto out;
+ }
out:
- return ret;
-}
+ STACK_DESTROY (frame->root);
+ return 0;
+}
static int
mgmt_pmap_signin_cbk (struct rpc_req *req, struct iovec *iov, int count,
@@ -371,6 +1962,10 @@ mgmt_pmap_signin_cbk (struct rpc_req *req, struct iovec *iov, int count,
pmap_signin_rsp rsp = {0,};
call_frame_t *frame = NULL;
int ret = 0;
+ pmap_signin_req pmap_req = {0, };
+ cmd_args_t *cmd_args = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ char brick_name[PATH_MAX] = {0,};
frame = myframe;
@@ -380,9 +1975,9 @@ mgmt_pmap_signin_cbk (struct rpc_req *req, struct iovec *iov, int count,
goto out;
}
- ret = xdr_to_pmap_signin_rsp (*iov, &rsp);
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_pmap_signin_rsp);
if (ret < 0) {
- gf_log (frame->this->name, GF_LOG_ERROR, "error");
+ gf_log (frame->this->name, GF_LOG_ERROR, "XDR decode error");
rsp.op_ret = -1;
rsp.op_errno = EINVAL;
goto out;
@@ -393,6 +1988,27 @@ mgmt_pmap_signin_cbk (struct rpc_req *req, struct iovec *iov, int count,
"failed to register the port with glusterd");
goto out;
}
+
+ ctx = glusterfsd_ctx;
+ cmd_args = &ctx->cmd_args;
+
+ if (!cmd_args->brick_port2) {
+ /* We are done with signin process */
+ goto out;
+ }
+
+ snprintf (brick_name, PATH_MAX, "%s.rdma", cmd_args->brick_name);
+ pmap_req.port = cmd_args->brick_port2;
+ pmap_req.brick = brick_name;
+
+ ret = mgmt_submit_request (&pmap_req, frame, ctx, &clnt_pmap_prog,
+ GF_PMAP_SIGNIN, mgmt_pmap_signin2_cbk,
+ (xdrproc_t)xdr_pmap_signin_req);
+ if (ret)
+ goto out;
+
+ return 0;
+
out:
STACK_DESTROY (frame->root);
@@ -420,8 +2036,8 @@ glusterfs_mgmt_pmap_signin (glusterfs_ctx_t *ctx)
req.brick = cmd_args->brick_name;
ret = mgmt_submit_request (&req, frame, ctx, &clnt_pmap_prog,
- GF_PMAP_SIGNIN, xdr_from_pmap_signin_req,
- mgmt_pmap_signin_cbk);
+ GF_PMAP_SIGNIN, mgmt_pmap_signin_cbk,
+ (xdrproc_t)xdr_pmap_signin_req);
out:
return ret;
@@ -433,10 +2049,8 @@ mgmt_pmap_signout_cbk (struct rpc_req *req, struct iovec *iov, int count,
void *myframe)
{
pmap_signout_rsp rsp = {0,};
- call_frame_t *frame = NULL;
int ret = 0;
-
- frame = myframe;
+ glusterfs_ctx_t *ctx = NULL;
if (-1 == req->rpc_status) {
rsp.op_ret = -1;
@@ -444,22 +2058,21 @@ mgmt_pmap_signout_cbk (struct rpc_req *req, struct iovec *iov, int count,
goto out;
}
- ret = xdr_to_pmap_signout_rsp (*iov, &rsp);
+ ctx = glusterfsd_ctx;
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_pmap_signout_rsp);
if (ret < 0) {
- gf_log (frame->this->name, GF_LOG_ERROR, "error");
+ 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 (frame->this->name, GF_LOG_ERROR,
+ gf_log (THIS->name, GF_LOG_ERROR,
"failed to register the port with glusterd");
goto out;
}
out:
- if (frame)
- STACK_DESTROY (frame->root);
return 0;
}
@@ -485,8 +2098,8 @@ glusterfs_mgmt_pmap_signout (glusterfs_ctx_t *ctx)
req.brick = cmd_args->brick_name;
ret = mgmt_submit_request (&req, frame, ctx, &clnt_pmap_prog,
- GF_PMAP_SIGNOUT, xdr_from_pmap_signout_req,
- mgmt_pmap_signout_cbk);
+ GF_PMAP_SIGNOUT, mgmt_pmap_signout_cbk,
+ (xdrproc_t)xdr_pmap_signout_req);
out:
return ret;
}
generated by cgit (git 2.34.1) at 2026-01-05 14:32:54 +0000