コード例 #1
0
size_t
del_entry_fn(void *data, char *buffer, gf_boolean_t encode)
{
    char *tmpbuf = NULL;
    size_t bufsz = 0;
    struct changelog_entry_fields *ce = NULL;

    ce = (struct changelog_entry_fields *)data;

    if (encode) {
        tmpbuf = uuid_utoa(ce->cef_uuid);
        CHANGELOG_FILL_BUFFER(buffer, bufsz, tmpbuf, strlen(tmpbuf));
    } else {
        CHANGELOG_FILL_BUFFER(buffer, bufsz, ce->cef_uuid, sizeof(uuid_t));
    }

    CHANGELOG_FILL_BUFFER(buffer, bufsz, "/", 1);
    CHANGELOG_FILL_BUFFER(buffer, bufsz, ce->cef_bname, strlen(ce->cef_bname));
    CHANGELOG_FILL_BUFFER(buffer, bufsz, "\0", 1);

    if (ce->cef_path[0] == '\0') {
        CHANGELOG_FILL_BUFFER(buffer, bufsz, "\0", 1);
    } else {
        CHANGELOG_FILL_BUFFER(buffer, bufsz, ce->cef_path,
                              strlen(ce->cef_path));
    }

    return bufsz;
}
コード例 #2
0
static int
glusterd_syctasked_mgmt_v3_unlock (rpcsvc_request_t *req,
                                  gd1_mgmt_v3_unlock_req *unlock_req,
                                  glusterd_op_lock_ctx_t *ctx)
{
        int32_t                         ret         = -1;
        xlator_t                       *this        = NULL;

        this = THIS;
        GF_ASSERT (this);
        GF_ASSERT (req);
        GF_ASSERT (ctx);

        /* Trying to release multiple mgmt_v3 locks */
        ret = glusterd_multiple_mgmt_v3_unlock (ctx->dict, ctx->uuid);
        if (ret) {
                gf_log (this->name, GF_LOG_ERROR,
                        "Failed to release mgmt_v3 locks for %s",
                        uuid_utoa(ctx->uuid));
        }

        ret = glusterd_mgmt_v3_unlock_send_resp (req, ret);

        gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
        return ret;
}
コード例 #3
0
int32_t
quota_conf_write_gfid (int fd, void *buf, char type)
{
        int ret        = 0;

        ret = gf_nwrite (fd, buf, 16);
        if (ret != 16) {
                ret = -1;
                goto out;
        }

        ret = gf_nwrite (fd, &type, 1);
        if (ret != 1) {
                ret = -1;
                goto out;
        }

        ret = 0;

out:
        if (ret < 0)
                gf_log_callingfn ("quota", GF_LOG_ERROR, "failed to write "
                                  "gfid %s to a quota conf", uuid_utoa (buf));

        return ret;
}
コード例 #4
0
static int
glusterd_synctasked_mgmt_v3_lock (rpcsvc_request_t *req,
                                gd1_mgmt_v3_lock_req *lock_req,
                                glusterd_op_lock_ctx_t *ctx)
{
        int32_t                         ret         = -1;
        xlator_t                       *this        = NULL;
        uint32_t                        op_errno    = 0;

        this = THIS;
        GF_ASSERT (this);
        GF_ASSERT (req);
        GF_ASSERT (ctx);
        GF_ASSERT (ctx->dict);

        /* Trying to acquire multiple mgmt_v3 locks */
        ret = glusterd_multiple_mgmt_v3_lock (ctx->dict, ctx->uuid, &op_errno);
        if (ret)
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        GD_MSG_MGMTV3_LOCK_GET_FAIL,
                        "Failed to acquire mgmt_v3 locks for %s",
                         uuid_utoa (ctx->uuid));

        ret = glusterd_mgmt_v3_lock_send_resp (req, ret, op_errno);

        gf_msg_trace (this->name, 0, "Returning %d", ret);
        return ret;
}
コード例 #5
0
int
gf_sql_update_delete_wind (gf_sql_connection_t  *sql_conn,
                          gfdb_db_record_t     *gfdb_db_record)
{
        int ret = -1;
        char *gfid_str          = NULL;
        char *pargfid_str       = NULL;

        CHECK_SQL_CONN (sql_conn, out);
        GF_VALIDATE_OR_GOTO (GFDB_STR_SQLITE3, gfdb_db_record, out);

        gfid_str = gf_strdup (uuid_utoa(gfdb_db_record->gfid));
        if (!gfid_str) {
                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                        LG_MSG_CREATE_FAILED, "Creating gfid string failed.");
                goto out;
        }

        pargfid_str = gf_strdup (uuid_utoa(gfdb_db_record->pargfid));
        if (!pargfid_str) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_CREATE_FAILED, "Creating pargfid_str "
                                "string failed.");
                        goto out;
        }

        if (gfdb_db_record->link_consistency) {
                ret = gf_sql_update_link_flags (sql_conn, gfid_str, pargfid_str,
                                        gfdb_db_record->file_name, 1,
                                        _gf_false);
                if (ret) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_UPDATE_FAILED,
                                "Failed updating link flags in wind");
                        goto out;
                }
        }

        ret = 0;
out:
        GF_FREE (gfid_str);
        GF_FREE (pargfid_str);
        return ret;
}
コード例 #6
0
int32_t
glusterd_conn_build_socket_filepath (char *rundir, uuid_t uuid,
                                     char *socketpath, int len)
{
        char sockfilepath[PATH_MAX] = {0,};

        snprintf (sockfilepath, sizeof (sockfilepath), "%s/run-%s",
                  rundir, uuid_utoa (uuid));

        glusterd_set_socket_filepath (sockfilepath, socketpath, len);
        return 0;
}
コード例 #7
0
ファイル: nfs-common.c プロジェクト: Apekhsha/glusterfs
int
nfs_inode_loc_fill (inode_t *inode, loc_t *loc, int how)
{
        char            *resolvedpath = NULL;
        inode_t         *parent = NULL;
        int             ret = -EFAULT;

        if ((!inode) || (!loc))
                return ret;

        /* If gfid is not null, then the inode is already linked to
         * the inode table, and not a newly created one. For newly
         * created inode, inode_path returns null gfid as the path.
         */
        if (!gf_uuid_is_null (inode->gfid)) {
                ret = inode_path (inode, NULL, &resolvedpath);
                if (ret < 0) {
                        gf_msg (GF_NFS, GF_LOG_ERROR, 0,
                                NFS_MSG_PATH_RESOLVE_FAIL, "path resolution "
                                "failed %s", resolvedpath);
                        goto err;
                }
        }

        if (resolvedpath == NULL) {
                char tmp_path[GFID_STR_PFX_LEN + 1] = {0,};
                snprintf (tmp_path, sizeof (tmp_path), "<gfid:%s>",
                          uuid_utoa (loc->gfid));
                resolvedpath = gf_strdup (tmp_path);
        } else {
                parent = inode_parent (inode, loc->pargfid, NULL);
        }

        ret = nfs_loc_fill (loc, inode, parent, resolvedpath);
        if (ret < 0) {
                gf_msg (GF_NFS, GF_LOG_ERROR, -ret,
                        NFS_MSG_LOC_FILL_RESOLVE_FAIL,
                        "loc fill resolution failed %s", resolvedpath);
                goto err;
        }

        ret = 0;
err:
        if (parent)
                inode_unref (parent);

        GF_FREE (resolvedpath);

        return ret;
}
コード例 #8
0
ファイル: glfs-master.c プロジェクト: Xarthisius/glusterfs
int
glfs_graph_setup (struct glfs *fs, glusterfs_graph_t *graph)
{
	if (fs->active_subvol == graph->top)
		return 0;

	pthread_mutex_lock (&fs->mutex);
	{
		fs->active_subvol = graph->top;
		pthread_cond_broadcast (&fs->cond);
	}
	pthread_mutex_unlock (&fs->mutex);

	gf_log ("glfs-master", GF_LOG_INFO, "switched to graph %s (%d)",
		uuid_utoa ((unsigned char *)graph->graph_uuid), graph->id);

	return 0;
}
コード例 #9
0
{
	int ret = -1;
	loc_t loc = {0,};
	dict_t *xattr = NULL;
	dict_t *old_xattr = NULL;
	afr_private_t *priv = NULL;
	int i = 0;

	priv = this->private;

	loc.inode = inode_ref (inode);
	gf_uuid_copy (loc.gfid, inode->gfid);

        gf_msg (this->name, GF_LOG_INFO, 0,
                AFR_MSG_SELF_HEAL_INFO, "performing metadata selfheal on %s",
		uuid_utoa (inode->gfid));

	ret = syncop_getxattr (priv->children[source], &loc, &xattr, NULL,
                               NULL, NULL);
	if (ret < 0) {
		ret = -EIO;
                goto out;
	}

	afr_delete_ignorable_xattrs (xattr);

	for (i = 0; i < priv->child_count; i++) {
                if (old_xattr) {
                        dict_unref (old_xattr);
                        old_xattr = NULL;
                }
コード例 #10
0
static int
glusterd_handle_mgmt_v3_unlock_fn (rpcsvc_request_t *req)
{
        gd1_mgmt_v3_unlock_req  lock_req        = {{0},};
        int32_t                 ret             = -1;
        glusterd_op_lock_ctx_t *ctx             = NULL;
        glusterd_peerinfo_t    *peerinfo        = NULL;
        xlator_t               *this            = NULL;
        gf_boolean_t            is_synctasked   = _gf_false;
        gf_boolean_t            free_ctx        = _gf_false;

        this = THIS;
        GF_ASSERT (this);
        GF_ASSERT (req);

        ret = xdr_to_generic (req->msg[0], &lock_req,
                              (xdrproc_t)xdr_gd1_mgmt_v3_unlock_req);
        if (ret < 0) {
                gf_log (this->name, GF_LOG_ERROR, "Failed to decode unlock "
                        "request received from peer");
                req->rpc_err = GARBAGE_ARGS;
                goto out;
        }

        gf_log (this->name, GF_LOG_DEBUG, "Received volume unlock req "
                "from uuid: %s", uuid_utoa (lock_req.uuid));

        if (glusterd_friend_find_by_uuid (lock_req.uuid, &peerinfo)) {
                gf_log (this->name, GF_LOG_WARNING, "%s doesn't "
                        "belong to the cluster. Ignoring request.",
                        uuid_utoa (lock_req.uuid));
                ret = -1;
                goto out;
        }

        ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_lock_ctx_t);
        if (!ctx) {
                ret = -1;
                goto out;
        }

        uuid_copy (ctx->uuid, lock_req.uuid);
        ctx->req = req;

        ctx->dict = dict_new ();
        if (!ctx->dict) {
                ret = -1;
                goto out;
        }

        ret = dict_unserialize (lock_req.dict.dict_val,
                                lock_req.dict.dict_len, &ctx->dict);
        if (ret) {
                gf_log (this->name, GF_LOG_WARNING,
                        "failed to unserialize the dictionary");
                goto out;
        }

        is_synctasked = dict_get_str_boolean (ctx->dict,
                                              "is_synctasked", _gf_false);
        if (is_synctasked) {
                ret = glusterd_syctasked_mgmt_v3_unlock (req, &lock_req, ctx);
                /* The above function does not take ownership of ctx.
                 * Therefore we need to free the ctx explicitly. */
                free_ctx = _gf_true;
        }
        else {
                ret = glusterd_op_state_machine_mgmt_v3_unlock (req, &lock_req,
                                                                ctx);
        }

out:

        if (ret || free_ctx) {
                if (ctx->dict)
                        dict_unref (ctx->dict);
                if (ctx)
                        GF_FREE (ctx);
        }

        free (lock_req.dict.dict_val);

        gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
        return ret;
}
コード例 #11
0
static int
glusterd_handle_post_validate_fn (rpcsvc_request_t *req)
{
        int32_t                         ret       = -1;
        gd1_mgmt_v3_post_val_req         op_req    = {{0},};
        glusterd_peerinfo_t            *peerinfo  = NULL;
        xlator_t                       *this      = NULL;
        char                           *op_errstr = NULL;
        dict_t                         *dict      = NULL;
        dict_t                         *rsp_dict  = NULL;

        this = THIS;
        GF_ASSERT (this);
        GF_ASSERT (req);

        ret = xdr_to_generic (req->msg[0], &op_req,
                              (xdrproc_t)xdr_gd1_mgmt_v3_post_val_req);
        if (ret < 0) {
                gf_log (this->name, GF_LOG_ERROR,
                        "Failed to decode post validation "
                        "request received from peer");
                req->rpc_err = GARBAGE_ARGS;
                goto out;
        }

        if (glusterd_friend_find_by_uuid (op_req.uuid, &peerinfo)) {
                gf_log (this->name, GF_LOG_WARNING, "%s doesn't "
                        "belong to the cluster. Ignoring request.",
                        uuid_utoa (op_req.uuid));
                ret = -1;
                goto out;
        }

        dict = dict_new ();
        if (!dict)
                goto out;

        ret = dict_unserialize (op_req.dict.dict_val,
                                op_req.dict.dict_len, &dict);
        if (ret) {
                gf_log (this->name, GF_LOG_WARNING,
                        "failed to unserialize the dictionary");
                goto out;
        }

        rsp_dict = dict_new ();
        if (!rsp_dict) {
                gf_log (this->name, GF_LOG_ERROR,
                        "Failed to get new dictionary");
                return -1;
        }

        ret = gd_mgmt_v3_post_validate_fn (op_req.op, op_req.op_ret, dict,
                                           &op_errstr, rsp_dict);

        if (ret) {
                gf_log (this->name, GF_LOG_ERROR,
                        "Post Validation failed on operation %s",
                        gd_op_list[op_req.op]);
        }

        ret = glusterd_mgmt_v3_post_validate_send_resp (req, op_req.op,
                                                       ret, op_errstr,
                                                       rsp_dict);
        if (ret) {
                gf_log (this->name, GF_LOG_ERROR,
                        "Failed to send Post Validation "
                        "response for operation %s",
                        gd_op_list[op_req.op]);
                goto out;
        }

out:
        if (op_errstr && (strcmp (op_errstr, "")))
                GF_FREE (op_errstr);

        free (op_req.dict.dict_val);

        if (dict)
                dict_unref (dict);

        if (rsp_dict)
                dict_unref (rsp_dict);

        gf_log (this->name, GF_LOG_TRACE, "Returning %d", ret);
        return ret;
}
コード例 #12
0
int
gf_sql_insert_unwind (gf_sql_connection_t  *sql_conn,
                     gfdb_db_record_t     *gfdb_db_record)
{

        int ret = -1;
        gfdb_time_t *modtime    = NULL;
        gf_boolean_t its_wind   = _gf_true;/*remains true for this function*/
        char *gfid_str = NULL;
        char *pargfid_str = NULL;

        CHECK_SQL_CONN (sql_conn, out);
        GF_VALIDATE_OR_GOTO (GFDB_STR_SQLITE3, gfdb_db_record, out);

        gfid_str = gf_strdup (uuid_utoa(gfdb_db_record->gfid));
        if (!gfid_str) {
                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                        LG_MSG_CREATE_FAILED, "Creating gfid string failed.");
                goto out;
        }

        /*Only update if recording unwind is set*/
        if (gfdb_db_record->do_record_times &&
                gfdb_db_record->do_record_uwind_time) {
                modtime = &gfdb_db_record->gfdb_unwind_change_time;
                ret = gf_update_time (sql_conn, gfid_str, modtime,
                        gfdb_db_record->do_record_counters,
                        (!its_wind),
                        isreadfop (gfdb_db_record->gfdb_fop_type));
                if (ret) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_UPDATE_FAILED, "Failed update unwind "
                                "time in DB");
                        goto out;
                }
        }

        /*For link creation and changes we use link updated*/
        if (gfdb_db_record->islinkupdate &&
                isdentryfop(gfdb_db_record->gfdb_fop_type)) {

                pargfid_str = gf_strdup(uuid_utoa(gfdb_db_record->pargfid));
                if (!pargfid_str) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_CREATE_FAILED,
                                "Creating pargfid_str string failed.");
                        goto out;
                }

                ret = gf_sql_update_link_flags (sql_conn, gfid_str, pargfid_str,
                                        gfdb_db_record->file_name, 0, _gf_true);
                if (ret) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_UPDATE_FAILED, "Failed updating link "
                                "flags in unwind");
                        goto out;
                }
        }

        ret = 0;
out:
        GF_FREE (gfid_str);
        GF_FREE (pargfid_str);
        return ret;
}
コード例 #13
0
static int
glusterd_handle_mgmt_v3_unlock_fn (rpcsvc_request_t *req)
{
        gd1_mgmt_v3_unlock_req  lock_req        = {{0},};
        int32_t                 ret             = -1;
        glusterd_op_lock_ctx_t *ctx             = NULL;
        xlator_t               *this            = NULL;
        gf_boolean_t            is_synctasked   = _gf_false;
        gf_boolean_t            free_ctx        = _gf_false;

        this = THIS;
        GF_ASSERT (this);
        GF_ASSERT (req);

        ret = xdr_to_generic (req->msg[0], &lock_req,
                              (xdrproc_t)xdr_gd1_mgmt_v3_unlock_req);
        if (ret < 0) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        GD_MSG_REQ_DECODE_FAIL, "Failed to decode unlock "
                        "request received from peer");
                req->rpc_err = GARBAGE_ARGS;
                goto out;
        }

        gf_msg_debug (this->name, 0, "Received volume unlock req "
                "from uuid: %s", uuid_utoa (lock_req.uuid));

        if (glusterd_peerinfo_find_by_uuid (lock_req.uuid) == NULL) {
                gf_msg (this->name, GF_LOG_WARNING, 0,
                        GD_MSG_PEER_NOT_FOUND, "%s doesn't "
                        "belong to the cluster. Ignoring request.",
                        uuid_utoa (lock_req.uuid));
                ret = -1;
                goto out;
        }

        ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_lock_ctx_t);
        if (!ctx) {
                ret = -1;
                goto out;
        }

        gf_uuid_copy (ctx->uuid, lock_req.uuid);
        ctx->req = req;

        ctx->dict = dict_new ();
        if (!ctx->dict) {
                ret = -1;
                goto out;
        }

        ret = dict_unserialize (lock_req.dict.dict_val,
                                lock_req.dict.dict_len, &ctx->dict);
        if (ret) {
                gf_msg (this->name, GF_LOG_WARNING, 0,
                        GD_MSG_DICT_UNSERIALIZE_FAIL,
                        "failed to unserialize the dictionary");
                goto out;
        }

        is_synctasked = dict_get_str_boolean (ctx->dict,
                                              "is_synctasked", _gf_false);
        if (is_synctasked) {
                ret = glusterd_syctasked_mgmt_v3_unlock (req, &lock_req, ctx);
                if (ret) {
                        gf_msg (this->name, GF_LOG_ERROR, 0,
                                GD_MSG_MGMTV3_UNLOCK_FAIL,
                                "Failed to release mgmt_v3_locks");
                        /* Ignore the return code, as it shouldn't be propagated
                         * from the handler function so as to avoid double
                         * deletion of the req
                         */
                        ret = 0;
                }

                /* The above function does not take ownership of ctx.
                 * Therefore we need to free the ctx explicitly. */
                free_ctx = _gf_true;
        }
        else {
                /* Shouldn't ignore the return code here, and it should
                 * be propagated from the handler function as in failure
                 * case it doesn't delete the req object
                 */
                ret = glusterd_op_state_machine_mgmt_v3_unlock (req, &lock_req,
                                                                ctx);
                if (ret)
                        gf_msg (this->name, GF_LOG_ERROR, 0,
                                GD_MSG_MGMTV3_UNLOCK_FAIL,
                                "Failed to release mgmt_v3_locks");
        }

out:

        if (ctx && (ret || free_ctx)) {
                if (ctx->dict)
                        dict_unref (ctx->dict);

                GF_FREE (ctx);
        }

        free (lock_req.dict.dict_val);

        gf_msg_trace (this->name, 0, "Returning %d", ret);
        return ret;
}
コード例 #14
0
static int
glusterd_handle_post_validate_fn (rpcsvc_request_t *req)
{
        int32_t                         ret       = -1;
        gd1_mgmt_v3_post_val_req         op_req    = {{0},};
        xlator_t                       *this      = NULL;
        char                           *op_errstr = NULL;
        dict_t                         *dict      = NULL;
        dict_t                         *rsp_dict  = NULL;

        this = THIS;
        GF_ASSERT (this);
        GF_ASSERT (req);

        ret = xdr_to_generic (req->msg[0], &op_req,
                              (xdrproc_t)xdr_gd1_mgmt_v3_post_val_req);
        if (ret < 0) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        GD_MSG_REQ_DECODE_FAIL,
                        "Failed to decode post validation "
                        "request received from peer");
                req->rpc_err = GARBAGE_ARGS;
                goto out;
        }

        if (glusterd_peerinfo_find_by_uuid (op_req.uuid) == NULL) {
                gf_msg (this->name, GF_LOG_WARNING, 0,
                        GD_MSG_PEER_NOT_FOUND, "%s doesn't "
                        "belong to the cluster. Ignoring request.",
                        uuid_utoa (op_req.uuid));
                ret = -1;
                goto out;
        }

        dict = dict_new ();
        if (!dict)
                goto out;

        ret = dict_unserialize (op_req.dict.dict_val,
                                op_req.dict.dict_len, &dict);
        if (ret) {
                gf_msg (this->name, GF_LOG_WARNING, 0,
                        GD_MSG_DICT_UNSERIALIZE_FAIL,
                        "failed to unserialize the dictionary");
                goto out;
        }

        rsp_dict = dict_new ();
        if (!rsp_dict) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        GD_MSG_DICT_CREATE_FAIL,
                        "Failed to get new dictionary");
                return -1;
        }

        ret = gd_mgmt_v3_post_validate_fn (op_req.op, op_req.op_ret, dict,
                                           &op_errstr, rsp_dict);

        if (ret) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        GD_MSG_POST_VALIDATION_FAIL,
                        "Post Validation failed on operation %s",
                        gd_op_list[op_req.op]);
        }

        ret = glusterd_mgmt_v3_post_validate_send_resp (req, op_req.op,
                                                       ret, op_errstr,
                                                       rsp_dict);
        if (ret) {
                gf_msg (this->name, GF_LOG_ERROR, 0,
                        GD_MSG_MGMTV3_OP_RESP_FAIL,
                        "Failed to send Post Validation "
                        "response for operation %s",
                        gd_op_list[op_req.op]);
                goto out;
        }

out:
        if (op_errstr && (strcmp (op_errstr, "")))
                GF_FREE (op_errstr);

        free (op_req.dict.dict_val);

        if (dict)
                dict_unref (dict);

        if (rsp_dict)
                dict_unref (rsp_dict);

        /* Return 0 from handler to avoid double deletion of req obj */
        return 0;
}
コード例 #15
0
int
gf_sql_delete_unwind (gf_sql_connection_t  *sql_conn,
                          gfdb_db_record_t     *gfdb_db_record)
{
        int ret = -1;
        char *gfid_str = NULL;
        char *pargfid_str = NULL;
        gfdb_time_t *modtime    = NULL;

        CHECK_SQL_CONN (sql_conn, out);
        GF_VALIDATE_OR_GOTO (GFDB_STR_SQLITE3, gfdb_db_record, out);

        gfid_str = gf_strdup (uuid_utoa(gfdb_db_record->gfid));
        if (!gfid_str) {
                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                        LG_MSG_CREATE_FAILED, "Creating gfid string failed.");
                goto out;
        }

        /*Nuke all the entries for this GFID from DB*/
        if (gfdb_db_record->gfdb_fop_path == GFDB_FOP_UNDEL_ALL) {
                gf_sql_delete_all(sql_conn, gfid_str);
        }
        /*Remove link entries only*/
        else if (gfdb_db_record->gfdb_fop_path == GFDB_FOP_UNDEL) {

                pargfid_str = gf_strdup(uuid_utoa(gfdb_db_record->pargfid));
                if (!pargfid_str) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_CREATE_FAILED, "Creating pargfid_str "
                                "string failed.");
                        goto out;
                }

                /* Special performance case:
                 * Updating wind time in unwind for delete. This is done here
                 * as in the wind path we will not know whether its the last
                 * link or not. For a last link there is not use to update any
                 * wind or unwind time!*/
                if (gfdb_db_record->do_record_times) {
                        /*Update the wind write times*/
                        modtime = &gfdb_db_record->gfdb_wind_change_time;
                        ret = gf_update_time (sql_conn, gfid_str, modtime,
                                gfdb_db_record->do_record_counters,
                                _gf_true,
                                isreadfop (gfdb_db_record->gfdb_fop_type));
                        if (ret) {
                                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                        LG_MSG_UPDATE_FAILED,
                                        "Failed update wind time in DB");
                                goto out;
                        }
                }

                modtime = &gfdb_db_record->gfdb_unwind_change_time;

                ret = gf_sql_delete_link(sql_conn, gfid_str, pargfid_str,
                                        gfdb_db_record->file_name);
                if (ret) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_DELETE_FAILED, "Failed deleting link");
                        goto out;
                }

                if (gfdb_db_record->do_record_times &&
                        gfdb_db_record->do_record_uwind_time) {
                        ret = gf_update_time (sql_conn, gfid_str, modtime,
                                gfdb_db_record->do_record_counters,
                                _gf_false,
                                isreadfop(gfdb_db_record->gfdb_fop_type));
                        if (ret) {
                                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                        LG_MSG_UPDATE_FAILED, "Failed update "
                                        "unwind time in DB");
                                goto out;
                        }
                }
        } else {
                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                        LG_MSG_INVALID_UPLINK, "Invalid unlink option");
                goto out;
        }
        ret = 0;
out:
        GF_FREE (gfid_str);
        GF_FREE (pargfid_str);
        return ret;
}
コード例 #16
0
int
gf_sql_insert_wind (gf_sql_connection_t  *sql_conn,
                   gfdb_db_record_t     *gfdb_db_record)
{
        int ret                 = -1;
        gfdb_time_t *modtime    = NULL;
        char *pargfid_str       = NULL;
        char *gfid_str          = NULL;
        char *old_pargfid_str   = NULL;
        gf_boolean_t its_wind   = _gf_true;/*remains true for this function*/



        CHECK_SQL_CONN (sql_conn, out);
        GF_VALIDATE_OR_GOTO (GFDB_STR_SQLITE3, gfdb_db_record, out);


        gfid_str = gf_strdup (uuid_utoa (gfdb_db_record->gfid));
        if (!gfid_str) {
                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                        LG_MSG_CREATE_FAILED, "Creating gfid string failed.");
                goto out;
        }

        modtime = &gfdb_db_record->gfdb_wind_change_time;

        /* handle all dentry based operations */
        if (isdentryfop (gfdb_db_record->gfdb_fop_type)) {
                /*Parent GFID is always set*/
                pargfid_str = gf_strdup (uuid_utoa (gfdb_db_record->pargfid));
                if (!pargfid_str) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_CREATE_FAILED, "Creating gfid string "
                                "failed.");
                        goto out;
                }

                /* handle create, mknod */
                if (isdentrycreatefop (gfdb_db_record->gfdb_fop_type)) {
                        /*insert link*/
                        ret = gf_sql_insert_link(sql_conn,
                                        gfid_str, pargfid_str,
                                        gfdb_db_record->file_name,
                                        gfdb_db_record->file_path,
                                        gfdb_db_record->link_consistency,
                                        gfdb_db_record->ignore_errors);
                        if (ret) {
                                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                        LG_MSG_INSERT_FAILED, "Failed "
                                        "inserting link in DB");
                                goto out;
                        }
                        gfdb_db_record->islinkupdate = gfdb_db_record->
                                                        link_consistency;

                        /*
                         * Only for create/mknod insert wind time
                         * for the first time
                         * */
                        ret = gf_sql_insert_write_wind_time (sql_conn, gfid_str,
                                                                modtime);
                        if (ret) {
                                gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                        LG_MSG_INSERT_FAILED, "Failed "
                                        "inserting wind time in DB");
                                goto out;
                        }
                        goto out;
                }
                /*handle rename, link */
                else {
                        /*rename*/
                        if (strlen (gfdb_db_record->old_file_name) != 0) {
                                old_pargfid_str = gf_strdup (uuid_utoa (
                                                gfdb_db_record->old_pargfid));
                                if (!old_pargfid_str) {
                                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR,
                                                0, LG_MSG_CREATE_FAILED,
                                                "Creating gfid string failed.");
                                        goto out;
                                }
                                gf_sql_update_link (sql_conn, gfid_str,
                                                pargfid_str,
                                                gfdb_db_record->file_name,
                                                gfdb_db_record->file_path,
                                                old_pargfid_str,
                                                gfdb_db_record->old_file_name,
                                                gfdb_db_record->
                                                        link_consistency);
                                if (ret) {
                                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR,
                                                0, LG_MSG_UPDATE_FAILED,
                                                "Failed updating link");
                                        goto out;
                                }
                                gfdb_db_record->islinkupdate = gfdb_db_record->
                                                        link_consistency;
                        }
                        /*link*/
                        else {
                                ret = gf_sql_insert_link (sql_conn,
                                        gfid_str, pargfid_str,
                                        gfdb_db_record->file_name,
                                        gfdb_db_record->file_path,
                                        gfdb_db_record->link_consistency,
                                        gfdb_db_record->ignore_errors);
                                if (ret) {
                                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR,
                                                0, LG_MSG_INSERT_FAILED,
                                                "Failed inserting link in DB");
                                        goto out;
                                }
                                gfdb_db_record->islinkupdate = gfdb_db_record->
                                                        link_consistency;
                        }
                }
        }

        /* update times only when said!*/
        if (gfdb_db_record->do_record_times) {
                /*All fops update times read or write*/
                ret = gf_update_time (sql_conn, gfid_str, modtime,
                        gfdb_db_record->do_record_counters,
                        its_wind,
                        isreadfop (gfdb_db_record->gfdb_fop_type));
                if (ret) {
                        gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
                                LG_MSG_UPDATE_FAILED, "Failed update wind time"
                                " in DB");
                        goto out;
                }
        }

        ret = 0;
out:
        GF_FREE (gfid_str);
        GF_FREE (pargfid_str);
        GF_FREE (old_pargfid_str);
        return ret;
}
コード例 #17
0
ファイル: glfs-handleops.c プロジェクト: iitx24/glusterfs
struct glfs_object *
glfs_h_create_from_handle (struct glfs *fs, unsigned char *handle, int len,
			   struct stat *stat)
{
	loc_t               loc = {0, };
	int                 ret = -1;
	struct iatt         iatt = {0, };
	inode_t            *newinode = NULL;
	xlator_t           *subvol = NULL;
	struct glfs_object *object = NULL;

	/* validate in args */
	if ((fs == NULL) || (handle == NULL) || (len != GFAPI_HANDLE_LENGTH)) {
		errno = EINVAL;
		return NULL;
	}

	__glfs_entry_fs (fs);

	/* get the active volume */
	subvol = glfs_active_subvol (fs);
	if (!subvol) {
		errno = EIO;
		goto out;
	}

	memcpy (loc.gfid, handle, GFAPI_HANDLE_LENGTH);

	newinode = inode_find (subvol->itable, loc.gfid);
	if (newinode)
		loc.inode = newinode;
	else {
		loc.inode = inode_new (subvol->itable);
		if (!loc.inode) {
			errno = ENOMEM;
			goto out;
		}
	}

	ret = syncop_lookup (subvol, &loc, 0, &iatt, 0, 0);
        DECODE_SYNCOP_ERR (ret);
	if (ret) {
		gf_log (subvol->name, GF_LOG_WARNING,
			"inode refresh of %s failed: %s",
			uuid_utoa (loc.gfid), strerror (errno));
		goto out;
	}

	newinode = inode_link (loc.inode, 0, 0, &iatt);
	if (newinode)
		inode_lookup (newinode);
	else {
		gf_log (subvol->name, GF_LOG_WARNING,
			"inode linking of %s failed: %s",
			uuid_utoa (loc.gfid), strerror (errno));
		errno = EINVAL;
		goto out;
	}

	/* populate stat */
	if (stat)
		glfs_iatt_to_stat (fs, &iatt, stat);

	object = GF_CALLOC (1, sizeof(struct glfs_object),
			    glfs_mt_glfs_object_t);
	if (object == NULL) {
		errno = ENOMEM;
		ret = -1;
		goto out;
	}

	/* populate the return object */
	object->inode = newinode;
	uuid_copy (object->gfid, object->inode->gfid);

out:
	/* TODO: Check where the inode ref is being held? */
	loc_wipe (&loc);

	glfs_subvol_done (fs, subvol);

	return object;
}
コード例 #18
0
static char *
binary_to_ascii (uuid_t uuid)
{
        return uuid_utoa (uuid);
}
コード例 #19
0
    *off = offset;
}

int
changelog_encode_ascii(xlator_t *this, changelog_log_data_t *cld)
{
    size_t off = 0;
    size_t gfid_len = 0;
    char *gfid_str = NULL;
    char *buffer = NULL;
    changelog_priv_t *priv = NULL;

    priv = this->private;

    gfid_str = uuid_utoa(cld->cld_gfid);
    gfid_len = strlen(gfid_str);

    /* extra bytes for decorations */
    buffer = alloca(gfid_len + cld->cld_ptr_len + 10);
    CHANGELOG_STORE_ASCII(priv, buffer, off, gfid_str, gfid_len, cld);

    if (cld->cld_xtra_records)
        changelog_encode_write_xtra(cld, buffer, &off, _gf_true);

    CHANGELOG_FILL_BUFFER(buffer, off, "\0", 1);

    return changelog_write_change(priv, buffer, off);
}

int