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-rw-r--r--glusterfsd/src/glusterfsd-mgmt.c1047
1 files changed, 561 insertions, 486 deletions
diff --git a/glusterfsd/src/glusterfsd-mgmt.c b/glusterfsd/src/glusterfsd-mgmt.c
index e2622d35d..1c9220927 100644
--- a/glusterfsd/src/glusterfsd-mgmt.c
+++ b/glusterfsd/src/glusterfsd-mgmt.c
@@ -1,28 +1,17 @@
/*
- Copyright (c) 2007-2011 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>
-#include <pthread.h>
#ifndef _CONFIG_H
#define _CONFIG_H
@@ -42,31 +31,41 @@
#include "xdr-generic.h"
#include "glusterfsd.h"
-#include "glusterfsd-mem-types.h"
#include "rpcsvc.h"
#include "cli1-xdr.h"
#include "statedump.h"
#include "syncop.h"
+#include "xlator.h"
-static char is_mgmt_rpc_reconnect;
+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;
}
+
+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)
@@ -134,12 +133,11 @@ glusterfs_submit_reply (rpcsvc_request_t *req, void *arg,
iob = glusterfs_serialize_reply (req, arg, &rsp, xdrproc);
if (!iob) {
- gf_log (THIS->name, GF_LOG_ERROR, "Failed to serialize reply");
- goto out;
+ gf_log_callingfn (THIS->name, GF_LOG_ERROR, "Failed to serialize reply");
+ } else {
+ iobref_add (iobref, iob);
}
- iobref_add (iobref, iob);
-
ret = rpcsvc_submit_generic (req, &rsp, 1, payload, payloadcount,
iobref);
@@ -177,52 +175,23 @@ glusterfs_terminate_response_send (rpcsvc_request_t *req, int op_ret)
if (dict)
ret = dict_allocate_and_serialize (dict, &rsp.output.output_val,
- (size_t *)&rsp.output.output_len);
+ &rsp.output.output_len);
if (ret == 0)
ret = glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
(xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
- if (rsp.output.output_val)
- GF_FREE (rsp.output.output_val);
+ GF_FREE (rsp.output.output_val);
if (dict)
dict_unref (dict);
return ret;
}
int
-glusterfs_listener_stop (void)
-{
- glusterfs_ctx_t *ctx = NULL;
- cmd_args_t *cmd_args = NULL;
- int ret = 0;
- xlator_t *this = NULL;
-
- ctx = glusterfs_ctx_get ();
- GF_ASSERT (ctx);
- 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 linstener "
- "socket %s, error: %s", cmd_args->sock_file,
- strerror (errno));
- }
- return ret;
-}
-
-int
glusterfs_handle_terminate (rpcsvc_request_t *req)
{
- (void) glusterfs_listener_stop ();
glusterfs_terminate_response_send (req, 0);
cleanup_and_exit (SIGTERM);
return 0;
@@ -247,80 +216,20 @@ glusterfs_translator_info_response_send (rpcsvc_request_t *req, int ret,
if (output) {
ret = dict_allocate_and_serialize (output,
&rsp.output.output_val,
- (size_t *)&rsp.output.output_len);
+ &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);
+ 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_handle_translator_info_get_cont (gfd_vol_top_priv_t *priv)
-{
- int ret = -1;
- 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;
- dict_t *dict = NULL;
-
- GF_ASSERT (priv);
-
- dict = dict_new ();
- ret = dict_unserialize (priv->xlator_req.input.input_val,
- priv->xlator_req.input.input_len, &dict);
- if (ret) {
- gf_log ("glusterd", GF_LOG_ERROR, "Unable to unserialize dict");
- goto cont;
- }
- ret = dict_set_double (dict, "time", priv->time);
- if (ret)
- goto cont;
- ret = dict_set_double (dict, "throughput", priv->throughput);
- if (ret)
- goto cont;
-
-cont:
- ctx = glusterfs_ctx_get ();
- GF_ASSERT (ctx);
- active = ctx->active;
- any = active->first;
-
- xlator = xlator_search_by_name (any, priv->xlator_req.name);
- if (!xlator) {
- snprintf (msg, sizeof (msg), "xlator %s is not loaded",
- priv->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 (priv->req, ret,
- msg, output);
-
- if (priv->xlator_req.name)
- free (priv->xlator_req.name);
- if (priv->xlator_req.input.input_val)
- free (priv->xlator_req.input.input_val);
- if (dict)
- dict_unref (dict);
- if (output)
- dict_unref (output);
- GF_FREE (priv);
-
- return ret;
-}
-
-int
glusterfs_xlator_op_response_send (rpcsvc_request_t *req, int op_ret,
char *msg, dict_t *output)
{
@@ -339,7 +248,7 @@ glusterfs_xlator_op_response_send (rpcsvc_request_t *req, int op_ret,
if (output) {
ret = dict_allocate_and_serialize (output,
&rsp.output.output_val,
- (size_t *)&rsp.output.output_len);
+ &rsp.output.output_len);
}
if (!ret)
free_ptr = _gf_true;
@@ -356,28 +265,35 @@ glusterfs_xlator_op_response_send (rpcsvc_request_t *req, int op_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;
- gfd_vol_top_priv_t *priv = NULL;
- pthread_t tid = -1;
+ 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);
- if (!xdr_to_generic (req->msg[0], &xlator_req,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_req)) {
+ 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 ();
+ dict = dict_new ();
ret = dict_unserialize (xlator_req.input.input_val,
xlator_req.input.input_len,
&dict);
@@ -388,14 +304,6 @@ glusterfs_handle_translator_info_get (rpcsvc_request_t *req)
goto out;
}
- priv = GF_MALLOC (sizeof (gfd_vol_top_priv_t), gfd_mt_vol_top_priv_t);
- if (!priv) {
- gf_log ("glusterd", GF_LOG_ERROR, "failed to allocate memory");
- goto out;
- }
- priv->xlator_req = xlator_req;
- priv->req = req;
-
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)) {
@@ -405,61 +313,73 @@ glusterfs_handle_translator_info_get (rpcsvc_request_t *req)
ret = dict_get_uint32 (dict, "blk-cnt", &blk_count);
if (ret)
goto cont;
- priv->blk_size = blk_size;
- priv->blk_count = blk_count;
+
if (GF_CLI_TOP_READ_PERF == top_op) {
- ret = pthread_create (&tid, NULL,
- glusterfs_volume_top_read_perf,
- priv);
+ 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 = pthread_create (&tid, NULL,
- glusterfs_volume_top_write_perf,
- priv);
+ ret = glusterfs_volume_top_write_perf
+ (blk_size, blk_count, xlator_req.name,
+ &throughput, &time);
}
- if (ret) {
- gf_log ("glusterd", GF_LOG_ERROR,
- "Thread create failed");
+ ret = dict_set_double (dict, "time", time);
+ if (ret)
+ goto cont;
+ ret = dict_set_double (dict, "throughput", throughput);
+ if (ret)
goto cont;
- }
- gf_log ("glusterd", GF_LOG_DEBUG, "Created new thread with "
- "tid %u", (unsigned int)tid);
- goto out;
}
cont:
- priv->throughput = 0;
- priv->time = 0;
- ret = glusterfs_handle_translator_info_get_cont (priv);
+ 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;
}
-void *
-glusterfs_volume_top_write_perf (void *args)
+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;
- uint32_t blk_size = 0;
- uint32_t blk_count = 0;
int32_t iter = 0;
int32_t ret = -1;
uint64_t total_blks = 0;
struct timeval begin, end = {0,};
- double throughput = 0;
- double time = 0;
- gfd_vol_top_priv_t *priv = NULL;
-
- GF_ASSERT (args);
- priv = (gfd_vol_top_priv_t *)args;
- blk_size = priv->blk_size;
- blk_count = priv->blk_count;
+ 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",
- priv->xlator_req.name, ".gf-tmp-stats-perf");
+ brick_path, ".gf-tmp-stats-perf");
fd = open (export_path, O_CREAT|O_RDWR, S_IRWXU);
if (-1 == fd) {
@@ -503,55 +423,46 @@ glusterfs_volume_top_write_perf (void *args)
}
gettimeofday (&end, NULL);
- time = (end.tv_sec - begin.tv_sec) * 1e6
+ *time = (end.tv_sec - begin.tv_sec) * 1e6
+ (end.tv_usec - begin.tv_usec);
- throughput = total_blks / time;
+ *throughput = total_blks / *time;
gf_log ("glusterd", GF_LOG_INFO, "Throughput %.2f Mbps time %.2f secs "
- "bytes written %"PRId64, throughput, time, total_blks);
+ "bytes written %"PRId64, *throughput, *time, total_blks);
out:
- priv->throughput = throughput;
- priv->time = time;
-
if (fd >= 0)
close (fd);
if (input_fd >= 0)
close (input_fd);
- if (buf)
- GF_FREE (buf);
+ GF_FREE (buf);
unlink (export_path);
- (void)glusterfs_handle_translator_info_get_cont (priv);
-
- return NULL;
+ return ret;
}
-void *
-glusterfs_volume_top_read_perf (void *args)
+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;
- uint32_t blk_size = 0;
- uint32_t blk_count = 0;
int32_t iter = 0;
int32_t ret = -1;
uint64_t total_blks = 0;
struct timeval begin, end = {0,};
- double throughput = 0;
- double time = 0;
- gfd_vol_top_priv_t *priv = NULL;
-
- GF_ASSERT (args);
- priv = (gfd_vol_top_priv_t *)args;
- blk_size = priv->blk_size;
- blk_count = priv->blk_count;
+ 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",
- priv->xlator_req.name, ".gf-tmp-stats-perf");
+ brick_path, ".gf-tmp-stats-perf");
fd = open (export_path, O_CREAT|O_RDWR, S_IRWXU);
if (-1 == fd) {
ret = -1;
@@ -627,33 +538,27 @@ glusterfs_volume_top_read_perf (void *args)
}
gettimeofday (&end, NULL);
- time = (end.tv_sec - begin.tv_sec) * 1e6
- + (end.tv_usec - begin.tv_usec);
- throughput = total_blks / time;
+ *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);
+ "bytes read %"PRId64, *throughput, *time, total_blks);
out:
- priv->throughput = throughput;
- priv->time = time;
-
if (fd >= 0)
close (fd);
if (input_fd >= 0)
close (input_fd);
if (output_fd >= 0)
close (output_fd);
- if (buf)
- GF_FREE (buf);
+ GF_FREE (buf);
unlink (export_path);
- (void)glusterfs_handle_translator_info_get_cont (priv);
-
- return NULL;
+ return ret;
}
int
-glusterfs_handle_translator_op (void *data)
+glusterfs_handle_translator_op (rpcsvc_request_t *req)
{
int32_t ret = -1;
gd1_mgmt_brick_op_req xlator_req = {0,};
@@ -668,20 +573,20 @@ glusterfs_handle_translator_op (void *data)
xlator_t *this = NULL;
int i = 0;
int count = 0;
- rpcsvc_request_t *req = data;
GF_ASSERT (req);
this = THIS;
GF_ASSERT (this);
- if (!xdr_to_generic (req->msg[0], &xlator_req,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_req)) {
+ 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 = glusterfs_ctx_get ();
+ ctx = glusterfsd_ctx;
active = ctx->active;
any = active->first;
input = dict_new ();
@@ -734,8 +639,7 @@ out:
dict_unref (input);
if (output)
dict_unref (output);
- if (xlator_req.name)
- free (xlator_req.name); //malloced by xdr
+ free (xlator_req.name); //malloced by xdr
return 0;
}
@@ -759,7 +663,7 @@ glusterfs_handle_defrag (rpcsvc_request_t *req)
this = THIS;
GF_ASSERT (this);
- ctx = glusterfs_ctx_get ();
+ ctx = glusterfsd_ctx;
GF_ASSERT (ctx);
active = ctx->active;
@@ -769,8 +673,9 @@ glusterfs_handle_defrag (rpcsvc_request_t *req)
}
any = active->first;
- if (!xdr_to_generic (req->msg[0], &xlator_req,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_req)) {
+ 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;
@@ -808,12 +713,10 @@ glusterfs_handle_defrag (rpcsvc_request_t *req)
out:
if (dict)
dict_unref (dict);
- if (xlator_req.input.input_val)
- free (xlator_req.input.input_val); // malloced by xdr
+ free (xlator_req.input.input_val); // malloced by xdr
if (output)
dict_unref (output);
- if (xlator_req.name)
- free (xlator_req.name); //malloced by xdr
+ free (xlator_req.name); //malloced by xdr
return ret;
@@ -840,8 +743,9 @@ glusterfs_handle_brick_status (rpcsvc_request_t *req)
this = THIS;
GF_ASSERT (this);
- if (!xdr_to_generic (req->msg[0], &brick_req,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_req)) {
+ 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;
}
@@ -867,7 +771,7 @@ glusterfs_handle_brick_status (rpcsvc_request_t *req)
goto out;
}
- ctx = glusterfs_ctx_get ();
+ ctx = glusterfsd_ctx;
GF_ASSERT (ctx);
active = ctx->active;
any = active->first;
@@ -925,39 +829,30 @@ glusterfs_handle_brick_status (rpcsvc_request_t *req)
rsp.op_errstr = "";
ret = dict_allocate_and_serialize (output, &rsp.output.output_val,
- (size_t *)&rsp.output.output_len);
+ &rsp.output.output_len);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Failed to serialize output dict to rsp");
goto out;
}
- ret = glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ 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);
- if (brick_req.input.input_val)
- free (brick_req.input.input_val);
- if (xname)
- GF_FREE (xname);
- if (msg)
- GF_FREE (msg);
- if (rsp.output.output_val)
- GF_FREE (rsp.output.output_val);
+ free (brick_req.input.input_val);
+ GF_FREE (xname);
+ GF_FREE (msg);
+ GF_FREE (rsp.output.output_val);
return ret;
}
-static int
-glusterfs_command_done (int ret, call_frame_t *sync_frame, void *data)
-{
- STACK_DESTROY (sync_frame->root);
- return 0;
-}
int
glusterfs_handle_node_status (rpcsvc_request_t *req)
@@ -980,8 +875,9 @@ glusterfs_handle_node_status (rpcsvc_request_t *req)
GF_ASSERT (req);
- if (!xdr_to_generic (req->msg[0], &node_req,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_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;
}
@@ -1007,7 +903,7 @@ glusterfs_handle_node_status (rpcsvc_request_t *req)
goto out;
}
- ctx = glusterfs_ctx_get ();
+ ctx = glusterfsd_ctx;
GF_ASSERT (ctx);
active = ctx->active;
any = active->first;
@@ -1109,29 +1005,25 @@ glusterfs_handle_node_status (rpcsvc_request_t *req)
rsp.op_errstr = "";
ret = dict_allocate_and_serialize (output, &rsp.output.output_val,
- (size_t *)&rsp.output.output_len);
+ &rsp.output.output_len);
if (ret) {
gf_log (THIS->name, GF_LOG_ERROR,
"Failed to serialize output dict to rsp");
goto out;
}
- ret = glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ 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 (node_req.input.input_val)
- free (node_req.input.input_val);
- if (msg)
- GF_FREE (msg);
- if (rsp.output.output_val)
- GF_FREE (rsp.output.output_val);
- if (node_name)
- GF_FREE (node_name);
- if (subvol_name)
- GF_FREE (subvol_name);
+ 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;
@@ -1154,8 +1046,9 @@ glusterfs_handle_nfs_profile (rpcsvc_request_t *req)
GF_ASSERT (req);
- if (!xdr_to_generic (req->msg[0], &nfs_req,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_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;
}
@@ -1175,7 +1068,7 @@ glusterfs_handle_nfs_profile (rpcsvc_request_t *req)
goto out;
}
- ctx = glusterfs_ctx_get ();
+ ctx = glusterfsd_ctx;
GF_ASSERT (ctx);
active = ctx->active;
@@ -1207,73 +1100,118 @@ glusterfs_handle_nfs_profile (rpcsvc_request_t *req)
rsp.op_errstr = "";
ret = dict_allocate_and_serialize (output, &rsp.output.output_val,
- (size_t *)&rsp.output.output_len);
+ &rsp.output.output_len);
if (ret) {
gf_log (THIS->name, GF_LOG_ERROR,
- "Failed to serialize ouput dict to rsp");
+ "Failed to serialize output dict to rsp");
goto out;
}
- ret = glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
- (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ glusterfs_submit_reply (req, &rsp, NULL, 0, NULL,
+ (xdrproc_t)xdr_gd1_mgmt_brick_op_rsp);
+ ret = 0;
out:
- if (nfs_req.input.input_val)
- free (nfs_req.input.input_val);
+ free (nfs_req.input.input_val);
if (dict)
dict_unref (dict);
if (output)
dict_unref (output);
- if (rsp.output.output_val)
- free (rsp.output.output_val);
+ GF_FREE (rsp.output.output_val);
gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
return ret;
}
int
-glusterfs_handle_rpc_msg (rpcsvc_request_t *req)
+glusterfs_handle_volume_barrier_op (rpcsvc_request_t *req)
{
- int ret = -1;
- xlator_t *this = THIS;
- call_frame_t *frame = NULL;
+ 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);
- switch (req->procnum) {
- case GLUSTERD_BRICK_TERMINATE:
- ret = glusterfs_handle_terminate (req);
- break;
- case GLUSTERD_BRICK_XLATOR_INFO:
- ret = glusterfs_handle_translator_info_get (req);
- break;
- case GLUSTERD_BRICK_XLATOR_OP:
- frame = create_frame (this, this->ctx->pool);
- if (!frame)
- goto out;
- ret = synctask_new (this->ctx->env,
- glusterfs_handle_translator_op,
- glusterfs_command_done, frame, req);
- break;
- case GLUSTERD_BRICK_STATUS:
- ret = glusterfs_handle_brick_status (req);
- break;
- case GLUSTERD_BRICK_XLATOR_DEFRAG:
- ret = glusterfs_handle_defrag (req);
- break;
- case GLUSTERD_NODE_PROFILE:
- ret = glusterfs_handle_nfs_profile (req);
- break;
- case GLUSTERD_NODE_STATUS:
- ret = glusterfs_handle_node_status (req);
- default:
- break;
+
+ 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 gluster_cbk_actors[] = {
+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},
};
@@ -1281,7 +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,
};
@@ -1307,6 +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 = {
@@ -1317,14 +1256,15 @@ rpc_clnt_prog_t clnt_handshake_prog = {
};
rpcsvc_actor_t glusterfs_actors[] = {
- [GLUSTERD_BRICK_NULL] = { "NULL", GLUSTERD_BRICK_NULL, glusterfs_handle_rpc_msg, NULL, NULL, 0},
- [GLUSTERD_BRICK_TERMINATE] = { "TERMINATE", GLUSTERD_BRICK_TERMINATE, glusterfs_handle_rpc_msg, NULL, NULL, 0},
- [GLUSTERD_BRICK_XLATOR_INFO] = { "TRANSLATOR INFO", GLUSTERD_BRICK_XLATOR_INFO, glusterfs_handle_rpc_msg, NULL, NULL, 0},
- [GLUSTERD_BRICK_XLATOR_OP] = { "TRANSLATOR OP", GLUSTERD_BRICK_XLATOR_OP, glusterfs_handle_rpc_msg, NULL, NULL, 0},
- [GLUSTERD_BRICK_STATUS] = {"STATUS", GLUSTERD_BRICK_STATUS, glusterfs_handle_rpc_msg, NULL, NULL, 0},
- [GLUSTERD_BRICK_XLATOR_DEFRAG] = { "TRANSLATOR DEFRAG", GLUSTERD_BRICK_XLATOR_DEFRAG, glusterfs_handle_rpc_msg, NULL, NULL, 0},
- [GLUSTERD_NODE_PROFILE] = {"NFS PROFILE", GLUSTERD_NODE_PROFILE, glusterfs_handle_rpc_msg, NULL, NULL, 0},
- [GLUSTERD_NODE_STATUS] = {"NFS STATUS", GLUSTERD_NODE_STATUS, glusterfs_handle_rpc_msg, NULL, NULL, 0}
+ [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 = {
@@ -1333,6 +1273,7 @@ struct rpcsvc_program glusterfs_mop_prog = {
.progver = GD_BRICK_VERSION,
.actors = glusterfs_actors,
.numactors = GLUSTERD_BRICK_MAXVALUE,
+ .synctask = _gf_true,
};
int
@@ -1392,156 +1333,10 @@ out:
/* XXX: move these into @ctx */
-static char oldvolfile[131072];
+static char *oldvolfile = NULL;
static int oldvollen = 0;
-static int
-xlator_equal_rec (xlator_t *xl1, xlator_t *xl2)
-{
- xlator_list_t *trav1 = NULL;
- xlator_list_t *trav2 = NULL;
- int ret = 0;
- if (xl1 == NULL || xl2 == NULL) {
- gf_log ("xlator", GF_LOG_DEBUG, "invalid argument");
- return -1;
- }
-
- trav1 = xl1->children;
- trav2 = xl2->children;
-
- while (trav1 && trav2) {
- ret = xlator_equal_rec (trav1->xlator, trav2->xlator);
- if (ret) {
- gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,
- "xlators children not equal");
- goto out;
- }
-
- trav1 = trav1->next;
- trav2 = trav2->next;
- }
-
- if (trav1 || trav2) {
- ret = -1;
- goto out;
- }
-
- if (strcmp (xl1->name, xl2->name)) {
- ret = -1;
- goto out;
- }
-out :
- return ret;
-}
-
-static gf_boolean_t
-is_graph_topology_equal (glusterfs_graph_t *graph1,
- glusterfs_graph_t *graph2)
-{
- xlator_t *trav1 = NULL;
- xlator_t *trav2 = NULL;
- gf_boolean_t ret = _gf_true;
-
- trav1 = graph1->first;
- trav2 = graph2->first;
-
- ret = xlator_equal_rec (trav1, trav2);
-
- if (ret) {
- gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,
- "graphs are not equal");
- ret = _gf_false;
- goto out;
- }
-
- ret = _gf_true;
- gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,
- "graphs are equal");
-
-out:
- return ret;
-}
-
-/* Function has 3types of return value 0, -ve , 1
- * 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
- */
-static int
-glusterfs_volfile_reconfigure (FILE *newvolfile_fp)
-{
- glusterfs_graph_t *oldvolfile_graph = NULL;
- glusterfs_graph_t *newvolfile_graph = NULL;
- FILE *oldvolfile_fp = NULL;
- glusterfs_ctx_t *ctx = NULL;
-
- int ret = -1;
-
- oldvolfile_fp = tmpfile ();
- if (!oldvolfile_fp)
- goto out;
-
- if (!oldvollen) {
- ret = 1; // Has to call INIT for the whole graph
- goto out;
- }
- fwrite (oldvolfile, oldvollen, 1, oldvolfile_fp);
- fflush (oldvolfile_fp);
-
-
- oldvolfile_graph = glusterfs_graph_construct (oldvolfile_fp);
- if (!oldvolfile_graph) {
- goto out;
- }
-
- newvolfile_graph = glusterfs_graph_construct (newvolfile_fp);
- if (!newvolfile_graph) {
- goto out;
- }
-
- if (!is_graph_topology_equal (oldvolfile_graph,
- newvolfile_graph)) {
-
- ret = 1;
- gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,
- "Graph topology not equal(should call INIT)");
- goto out;
- }
-
- gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,
- "Only options have changed in the new "
- "graph");
-
- ctx = glusterfs_ctx_get ();
-
- if (!ctx) {
- gf_log ("glusterfsd-mgmt", GF_LOG_ERROR,
- "glusterfs_ctx_get() returned NULL");
- goto out;
- }
-
- oldvolfile_graph = ctx->active;
-
- if (!oldvolfile_graph) {
- gf_log ("glusterfsd-mgmt", GF_LOG_ERROR,
- "glusterfs_ctx->active is NULL");
- goto out;
- }
-
- /* */
- ret = glusterfs_graph_reconfigure (oldvolfile_graph,
- newvolfile_graph);
- if (ret) {
- gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,
- "Could not reconfigure new options in old graph");
- goto out;
- }
-
- ret = 0;
-out:
- return ret;
-}
int
mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
@@ -1553,6 +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;
@@ -1572,7 +1368,7 @@ 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;
}
@@ -1593,6 +1389,10 @@ 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.
@@ -1602,10 +1402,19 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
* return -1(or -ve) =======> Some Internal Error occurred during the operation
*/
- ret = glusterfs_volfile_reconfigure (tmpfp);
+ 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;
@@ -1617,21 +1426,41 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,
}
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 */
@@ -1642,6 +1471,11 @@ out:
ctx->cmd_args.volfile_id);
cleanup_and_exit (0);
}
+
+
+ if (tmpfp)
+ fclose (tmpfp);
+
return 0;
}
@@ -1653,6 +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;
@@ -1661,59 +1496,235 @@ 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, 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;
- cmd_args_t *cmd_args = 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;
- cmd_args = &ctx->cmd_args;
+
switch (event) {
case RPC_CLNT_DISCONNECT:
if (!ctx->active) {
- cmd_args->max_connect_attempts--;
gf_log ("glusterfsd-mgmt", GF_LOG_ERROR,
- "failed to connect with remote-host: %s",
+ "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,
- "%d connect attempts left",
- cmd_args->max_connect_attempts);
- if (0 >= cmd_args->max_connect_attempts)
- cleanup_and_exit (1);
+ "connecting to next volfile server %s",
+ server->volfile_server);
}
break;
case RPC_CLNT_CONNECT:
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;
}
@@ -1792,6 +1803,66 @@ out:
}
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;
@@ -1826,16 +1897,20 @@ glusterfs_mgmt_init (glusterfs_ctx_t *ctx)
ret = rpc_clnt_register_notify (rpc, mgmt_rpc_notify, THIS);
if (ret) {
- gf_log (THIS->name, GF_LOG_WARNING, "failed to register notify function");
+ gf_log (THIS->name, GF_LOG_WARNING,
+ "failed to register notify function");
goto out;
}
- ret = rpcclnt_cbk_program_register (rpc, &mgmt_cbk_prog);
+ ret = rpcclnt_cbk_program_register (rpc, &mgmt_cbk_prog, THIS);
if (ret) {
- gf_log (THIS->name, GF_LOG_WARNING, "failed to register callback function");
+ 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;
@@ -1914,7 +1989,7 @@ mgmt_pmap_signin_cbk (struct rpc_req *req, struct iovec *iov, int count,
goto out;
}
- ctx = glusterfs_ctx_get ();
+ ctx = glusterfsd_ctx;
cmd_args = &ctx->cmd_args;
if (!cmd_args->brick_port2) {
@@ -1983,7 +2058,7 @@ mgmt_pmap_signout_cbk (struct rpc_req *req, struct iovec *iov, int count,
goto out;
}
- ctx = glusterfs_ctx_get ();
+ ctx = glusterfsd_ctx;
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");
generated by cgit (git 2.34.1) at 2026-01-05 13:29:54 +0000