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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-handler.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handler.c163
1 files changed, 113 insertions, 50 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index ff8fe3225..ff2c8e71c 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -445,7 +445,8 @@ out:
}
int32_t
-glusterd_op_txn_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx)
+glusterd_op_txn_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx,
+ char *err_str, size_t err_len)
{
int32_t ret = -1;
xlator_t *this = NULL;
@@ -464,6 +465,8 @@ glusterd_op_txn_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx)
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Unable to acquire local lock, ret: %d", ret);
+ snprintf (err_str, err_len, "Another transaction is in progress. "
+ "Please try again after sometime.");
goto out;
}
@@ -951,7 +954,7 @@ glusterd_handle_cli_bd_op (rpcsvc_request_t *req)
gf_cli_req cli_req = { {0,} };
dict_t *dict = NULL;
char *volname = NULL;
- char *op_errstr = NULL;
+ char op_errstr[2048] = {0,};
glusterd_op_t cli_op = GD_OP_BD_OP;
GF_ASSERT (req);
@@ -989,7 +992,8 @@ glusterd_handle_cli_bd_op (rpcsvc_request_t *req)
goto out;
}
- ret = glusterd_op_begin (req, GD_OP_BD_OP, dict);
+ ret = glusterd_op_begin (req, GD_OP_BD_OP, dict, op_errstr,
+ sizeof (op_errstr));
gf_cmd_log ("bd op: %s", ((ret == 0) ? "SUCCESS": "FAILED"));
out:
if (ret && dict)
@@ -999,11 +1003,11 @@ out:
glusterd_op_sm ();
if (ret) {
- if (!op_errstr)
- op_errstr = gf_strdup ("operation failed");
+ if (op_errstr[0] == '\0')
+ snprintf (op_errstr, sizeof (op_errstr),
+ "Operation failed");
ret = glusterd_op_send_cli_response (cli_op, ret, 0,
req, NULL, op_errstr);
- GF_FREE (op_errstr);
}
return ret;
@@ -1171,11 +1175,12 @@ out:
}
int32_t
-glusterd_op_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx)
+glusterd_op_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx,
+ char *err_str, size_t err_len)
{
int ret = -1;
- ret = glusterd_op_txn_begin (req, op, ctx);
+ ret = glusterd_op_txn_begin (req, op, ctx, err_str, err_len);
return ret;
}
@@ -1188,8 +1193,11 @@ glusterd_handle_reset_volume (rpcsvc_request_t *req)
dict_t *dict = NULL;
glusterd_op_t cli_op = GD_OP_RESET_VOLUME;
char *volname = NULL;
+ char err_str[2048] = {0,};
+ xlator_t *this = NULL;
GF_ASSERT (req);
+ this = THIS;
ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
if (ret < 0) {
@@ -1206,8 +1214,10 @@ glusterd_handle_reset_volume (rpcsvc_request_t *req)
cli_req.dict.dict_len,
&dict);
if (ret < 0) {
- gf_log ("glusterd", GF_LOG_ERROR, "failed to "
+ gf_log (this->name, GF_LOG_ERROR, "failed to "
"unserialize req-buffer to dictionary");
+ snprintf (err_str, sizeof (err_str), "Unable to decode "
+ "the command");
goto out;
} else {
dict->extra_stdfree = cli_req.dict.dict_val;
@@ -1216,18 +1226,24 @@ glusterd_handle_reset_volume (rpcsvc_request_t *req)
ret = dict_get_str (dict, "volname", &volname);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "failed to get volname");
+ snprintf (err_str, sizeof (err_str), "Failed to get volume "
+ "name");
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
- ret = glusterd_op_begin (req, GD_OP_RESET_VOLUME, dict);
+ ret = glusterd_op_begin (req, GD_OP_RESET_VOLUME, dict,
+ err_str, sizeof (err_str));
out:
glusterd_friend_sm ();
glusterd_op_sm ();
if (ret) {
+ if (err_str[0] == '\0')
+ snprintf (err_str, sizeof (err_str),
+ "Operation failed");
ret = glusterd_op_send_cli_response (cli_op, ret, 0, req,
- dict, "operation failed");
+ dict, err_str);
if (dict)
dict_unref (dict);
}
@@ -1248,6 +1264,8 @@ glusterd_handle_set_volume (rpcsvc_request_t *req)
char *volname = NULL;
char *op_errstr = NULL;
gf_boolean_t help = _gf_false;
+ char err_str[2048] = {0,};
+ xlator_t *this = NULL;
GF_ASSERT (req);
@@ -1266,9 +1284,11 @@ glusterd_handle_set_volume (rpcsvc_request_t *req)
cli_req.dict.dict_len,
&dict);
if (ret < 0) {
- gf_log ("glusterd", GF_LOG_ERROR,
+ gf_log (this->name, GF_LOG_ERROR,
"failed to "
"unserialize req-buffer to dictionary");
+ snprintf (err_str, sizeof (err_str), "Unable to decode "
+ "the command");
goto out;
} else {
dict->extra_stdfree = cli_req.dict.dict_val;
@@ -1277,8 +1297,9 @@ glusterd_handle_set_volume (rpcsvc_request_t *req)
ret = dict_get_str (dict, "volname", &volname);
if (ret) {
- gf_log ("", GF_LOG_WARNING, "Unable to get volume name, while"
- "handling volume set command");
+ snprintf (err_str, sizeof (err_str), "Failed to get volume "
+ "name while handling volume set command");
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
@@ -1291,19 +1312,22 @@ glusterd_handle_set_volume (rpcsvc_request_t *req)
ret = dict_get_str (dict, "key1", &key);
if (ret) {
- gf_log ("", GF_LOG_WARNING, "Unable to get key, while "
- "handling volume set for %s",volname);
+ snprintf (err_str, sizeof (err_str), "Failed to get key while"
+ " handling volume set for %s", volname);
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
ret = dict_get_str (dict, "value1", &value);
if (ret) {
- gf_log ("", GF_LOG_WARNING, "Unable to get value, while"
- "handling volume set for %s",volname);
+ snprintf (err_str, sizeof (err_str), "Failed to get value while"
+ " handling volume set for %s", volname);
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
- ret = glusterd_op_begin (req, GD_OP_SET_VOLUME, dict);
+ ret = glusterd_op_begin (req, GD_OP_SET_VOLUME, dict,
+ err_str, sizeof (err_str));
out:
glusterd_friend_sm ();
@@ -1312,9 +1336,13 @@ out:
if (help)
ret = glusterd_op_send_cli_response (cli_op, ret, 0, req, dict,
(op_errstr)? op_errstr:"");
- else if (ret)
+ else if (ret) {
+ if (err_str[0] == '\0')
+ snprintf (err_str, sizeof (err_str),
+ "Operation failed");
ret = glusterd_op_send_cli_response (cli_op, ret, 0, req,
- dict, "operation failed");
+ dict, err_str);
+ }
if (op_errstr)
GF_FREE (op_errstr);
@@ -1332,8 +1360,10 @@ glusterd_handle_sync_volume (rpcsvc_request_t *req)
char *volname = NULL;
gf1_cli_sync_volume flags = 0;
char *hostname = NULL;
+ xlator_t *this = NULL;
GF_ASSERT (req);
+ this = THIS;
ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
if (ret < 0) {
@@ -1350,9 +1380,11 @@ glusterd_handle_sync_volume (rpcsvc_request_t *req)
cli_req.dict.dict_len,
&dict);
if (ret < 0) {
- gf_log ("glusterd", GF_LOG_ERROR,
+ gf_log (this->name, GF_LOG_ERROR,
"failed to "
"unserialize req-buffer to dictionary");
+ snprintf (msg, sizeof (msg), "Unable to decode the "
+ "command");
goto out;
} else {
dict->extra_stdfree = cli_req.dict.dict_val;
@@ -1361,7 +1393,8 @@ glusterd_handle_sync_volume (rpcsvc_request_t *req)
ret = dict_get_str (dict, "hostname", &hostname);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "failed to get hostname");
+ snprintf (msg, sizeof (msg), "Failed to get hostname");
+ gf_log (this->name, GF_LOG_ERROR, "%s", msg);
goto out;
}
@@ -1369,24 +1402,26 @@ glusterd_handle_sync_volume (rpcsvc_request_t *req)
if (ret) {
ret = dict_get_int32 (dict, "flags", (int32_t*)&flags);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "Unable to get volume"
- "name, or flags");
+ snprintf (msg, sizeof (msg), "Failed to get volume name"
+ " or flags");
+ gf_log (this->name, GF_LOG_ERROR, "%s", msg);
goto out;
}
}
- gf_log ("glusterd", GF_LOG_INFO, "Received volume sync req "
- "for volume %s",
- (flags & GF_CLI_SYNC_ALL) ? "all" : volname);
+ gf_log (this->name, GF_LOG_INFO, "Received volume sync req "
+ "for volume %s", (flags & GF_CLI_SYNC_ALL) ? "all" : volname);
if (!glusterd_is_local_addr (hostname)) {
ret = -1;
snprintf (msg, sizeof (msg), "sync from localhost"
" not allowed");
+ gf_log (this->name, GF_LOG_ERROR, "%s", msg);
goto out;
}
- ret = glusterd_op_begin (req, GD_OP_SYNC_VOLUME, dict);
+ ret = glusterd_op_begin (req, GD_OP_SYNC_VOLUME, dict,
+ msg, sizeof (msg));
out:
if (ret) {
@@ -2017,8 +2052,11 @@ glusterd_handle_cli_profile_volume (rpcsvc_request_t *req)
glusterd_op_t cli_op = GD_OP_PROFILE_VOLUME;
char *volname = NULL;
int32_t op = 0;
+ char err_str[2048] = {0,};
+ xlator_t *this = NULL;
GF_ASSERT (req);
+ this = THIS;
ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
if (ret < 0) {
@@ -2037,19 +2075,22 @@ glusterd_handle_cli_profile_volume (rpcsvc_request_t *req)
ret = dict_get_str (dict, "volname", &volname);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "failed to get volname");
+ snprintf (err_str, sizeof (err_str), "Unable to get volume "
+ "name");
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
- gf_log (THIS->name, GF_LOG_INFO, "Received volume profile req "
+ gf_log (this->name, GF_LOG_INFO, "Received volume profile req "
"for volume %s", volname);
ret = dict_get_int32 (dict, "op", &op);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "failed to get op");
+ snprintf (err_str, sizeof (err_str), "Unable to get operation");
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
- ret = glusterd_op_begin (req, cli_op, dict);
+ ret = glusterd_op_begin (req, cli_op, dict, err_str, sizeof (err_str));
out:
glusterd_friend_sm ();
@@ -2057,13 +2098,16 @@ out:
free (cli_req.dict.dict_val);
if (ret) {
+ if (err_str[0] == '\0')
+ snprintf (err_str, sizeof (err_str),
+ "Operation failed");
ret = glusterd_op_send_cli_response (cli_op, ret, 0, req,
- dict, "operation failed");
+ dict, err_str);
if (dict)
dict_unref (dict);
}
- gf_log (THIS->name, GF_LOG_DEBUG, "Returning %d", ret);
+ gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret);
return ret;
}
@@ -2845,8 +2889,11 @@ glusterd_handle_status_volume (rpcsvc_request_t *req)
char *volname = 0;
gf_cli_req cli_req = {{0,}};
glusterd_op_t cli_op = GD_OP_STATUS_VOLUME;
+ char err_str[2048] = {0,};
+ xlator_t *this = NULL;
GF_ASSERT (req);
+ this = THIS;
ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
if (ret < 0) {
@@ -2862,8 +2909,10 @@ glusterd_handle_status_volume (rpcsvc_request_t *req)
ret = dict_unserialize (cli_req.dict.dict_val,
cli_req.dict.dict_len, &dict);
if (ret < 0) {
- gf_log (THIS->name, GF_LOG_ERROR, "failed to "
+ gf_log (this->name, GF_LOG_ERROR, "failed to "
"unserialize buffer");
+ snprintf (err_str, sizeof (err_str), "Unable to decode "
+ "the command");
goto out;
}
@@ -2876,25 +2925,29 @@ glusterd_handle_status_volume (rpcsvc_request_t *req)
if (!(cmd & GF_CLI_STATUS_ALL)) {
ret = dict_get_str (dict, "volname", &volname);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR,
- "failed to get volname");
+ snprintf (err_str, sizeof (err_str), "Unable to get "
+ "volume name");
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
- gf_log (THIS->name, GF_LOG_INFO,
- "Received status volume req "
- "for volume %s", volname);
+ gf_log (this->name, GF_LOG_INFO,
+ "Received status volume req for volume %s", volname);
}
- ret = glusterd_op_begin (req, GD_OP_STATUS_VOLUME, dict);
+ ret = glusterd_op_begin (req, GD_OP_STATUS_VOLUME, dict,
+ err_str, sizeof (err_str));
out:
glusterd_friend_sm ();
glusterd_op_sm ();
if (ret) {
+ if (err_str[0] == '\0')
+ snprintf (err_str, sizeof (err_str),
+ "Operation failed");
ret = glusterd_op_send_cli_response (cli_op, ret, 0, req,
- dict, "operation failed");
+ dict, err_str);
if (dict)
dict_unref (dict);
}
@@ -2911,8 +2964,11 @@ glusterd_handle_cli_clearlocks_volume (rpcsvc_request_t *req)
glusterd_op_t cli_op = GD_OP_CLEARLOCKS_VOLUME;
char *volname = NULL;
dict_t *dict = NULL;
+ char err_str[2048] = {0,};
+ xlator_t *this = NULL;
GF_ASSERT (req);
+ this = THIS;
ret = -1;
ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
@@ -2928,36 +2984,43 @@ glusterd_handle_cli_clearlocks_volume (rpcsvc_request_t *req)
cli_req.dict.dict_len,
&dict);
if (ret < 0) {
- gf_log (THIS->name, GF_LOG_ERROR,
+ gf_log (this->name, GF_LOG_ERROR,
"failed to unserialize req-buffer to"
" dictionary");
+ snprintf (err_str, sizeof (err_str), "unable to decode "
+ "the command");
goto out;
}
} else {
ret = -1;
- gf_log (THIS->name, GF_LOG_ERROR, "Empty cli request.");
+ gf_log (this->name, GF_LOG_ERROR, "Empty cli request.");
goto out;
}
ret = dict_get_str (dict, "volname", &volname);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "failed to get volname");
+ snprintf (err_str, sizeof (err_str), "Unable to get volume "
+ "name");
+ gf_log (this->name, GF_LOG_ERROR, "%s", err_str);
goto out;
}
- gf_log (THIS->name, GF_LOG_INFO, "Received clear-locks volume req "
+ gf_log (this->name, GF_LOG_INFO, "Received clear-locks volume req "
"for volume %s", volname);
- ret = glusterd_op_begin (req, cli_op, dict);
+ ret = glusterd_op_begin (req, cli_op, dict, err_str, sizeof (err_str));
out:
glusterd_friend_sm ();
glusterd_op_sm ();
if (ret) {
+ if (err_str[0] == '\0')
+ snprintf (err_str, sizeof (err_str),
+ "Operation failed");
ret = glusterd_op_send_cli_response (cli_op, ret, 0, req,
- dict, "operation failed");
+ dict, err_str);
if (dict)
dict_unref (dict);
}