1 files changed, 48 insertions, 0 deletions
diff --git a/include/crm/common/xml_io.h b/include/crm/common/xml_io.h
new file mode 100644
index 0000000..a5e454c
--- /dev/null
+++ b/include/crm/common/xml_io.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2004-2024 the Pacemaker project contributors
+ *
+ * The version control history for this file may have further details.
+ *
+ * This source code is licensed under the GNU Lesser General Public License
+ * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
+ */
+
+#ifndef PCMK__CRM_COMMON_XML_IO__H
+#define PCMK__CRM_COMMON_XML_IO__H
+
+#include <libxml/tree.h>    // xmlNode
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \file
+ * \brief Wrappers for and extensions to XML input/output functions
+ * \ingroup core
+ */
+
+/* Define compression parameters for IPC messages
+ *
+ * Compression costs a LOT, so we don't want to do it unless we're hitting
+ * message limits. Currently, we use 128KB as the threshold, because higher
+ * values don't play well with the heartbeat stack. With an earlier limit of
+ * 10KB, compressing 184 of 1071 messages accounted for 23% of the total CPU
+ * used by the cib.
+ */
+#define CRM_BZ2_BLOCKS      4
+#define CRM_BZ2_WORK        20
+#define CRM_BZ2_THRESHOLD   (128 * 1024)
+
+void save_xml_to_file(const xmlNode *xml, const char *desc,
+                      const char *filename);
+
+#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
+#include <crm/common/xml_io_compat.h>
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // PCMK__CRM_COMMON_XML_IO__H