--- a/src/dbfs/link.c Fri Oct 17 20:12:20 2008 +0300
+++ b/src/dbfs/link.c Tue Oct 21 21:42:17 2008 +0300
@@ -25,7 +25,7 @@
if (_dbfs_mode(type) != S_IFLNK)
EERROR(err = EINVAL, "wrong type: %s", type);
- INFO("[dbfs.readlink %p] -> ino=%lu, type=%s, link=%s", req, (unsigned long int) ino, type, link);
+ INFO("\t[dbfs.readlink %p] -> ino=%lu, type=%s, link=%s", req, (unsigned long int) ino, type, link);
// reply
if ((err = fuse_reply_readlink(req, link)))
@@ -78,3 +78,65 @@
}
+#define SETERR(err_var, err_val, bool_val) ((err_var) = bool_val ? (err_val) : 0)
+
+void dbfs_unlink_res (const struct evsql_result_info *res, void *arg) {
+ struct fuse_req *req = arg;
+ int err = 0;
+
+ // check the results
+ if ((err = dbfs_check_result(res, 1, 0)))
+ goto error;
+
+ INFO("\t[dbfs.unlink %p] -> OK", req);
+
+ // reply
+ if ((err = fuse_reply_err(req, 0)))
+ EERROR(err, "fuse_reply_readlink");
+
+error:
+ if (err && (err = fuse_reply_err(req, err)))
+ EWARNING(err, "fuse_reply_err");
+
+ // free
+ evsql_result_free(res);
+}
+
+void dbfs_unlink (struct fuse_req *req, fuse_ino_t parent, const char *name) {
+ struct dbfs *ctx = fuse_req_userdata(req);
+ int err;
+
+ INFO("[dbfs.unlink %p] parent=%lu, name=%s", req, parent, name);
+
+ const char *sql =
+ "DELETE"
+ " FROM file_tree"
+ " WHERE parent = $1::int4 AND name = $2::varchar";
+
+ static struct evsql_query_params params = EVSQL_PARAMS(EVSQL_FMT_BINARY) {
+ EVSQL_PARAM ( UINT32 ),
+ EVSQL_PARAM ( STRING ),
+
+ EVSQL_PARAMS_END
+ };
+
+ // build params
+ if (SETERR(err, (0
+ || evsql_param_uint32(¶ms, 0, parent)
+ || evsql_param_string(¶ms, 1, name)
+ ), EIO))
+ goto error;
+
+ // query
+ if (SETERR(err, evsql_query_params(ctx->db, NULL, sql, ¶ms, dbfs_unlink_res, req) == NULL, EIO))
+ goto error;
+
+ // XXX: handle interrupts
+
+ // wait
+ return;
+
+error:
+ if ((err = fuse_reply_err(req, err)))
+ EWARNING(err, "fuse_reply_err");
+}