1 files changed, 57 insertions, 0 deletions
diff --git a/src/bin/pg_basebackup/receivelog.h b/src/bin/pg_basebackup/receivelog.h
new file mode 100644
index 0000000..e04333b
--- /dev/null
+++ b/src/bin/pg_basebackup/receivelog.h
@@ -0,0 +1,57 @@
+/*-------------------------------------------------------------------------
+ *
+ * receivelog.h
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ *
+ * IDENTIFICATION
+ *		  src/bin/pg_basebackup/receivelog.h
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef RECEIVELOG_H
+#define RECEIVELOG_H
+
+#include "access/xlogdefs.h"
+#include "libpq-fe.h"
+#include "walmethods.h"
+
+/*
+ * Called before trying to read more data or when a segment is
+ * finished. Return true to stop streaming.
+ */
+typedef bool (*stream_stop_callback) (XLogRecPtr segendpos, uint32 timeline, bool segment_finished);
+
+/*
+ * Global parameters when receiving xlog stream. For details about the individual fields,
+ * see the function comment for ReceiveXlogStream().
+ */
+typedef struct StreamCtl
+{
+	XLogRecPtr	startpos;		/* Start position for streaming */
+	TimeLineID	timeline;		/* Timeline to stream data from */
+	char	   *sysidentifier;	/* Validate this system identifier and
+								 * timeline */
+	int			standby_message_timeout;	/* Send status messages this often */
+	bool		synchronous;	/* Flush immediately WAL data on write */
+	bool		mark_done;		/* Mark segment as done in generated archive */
+	bool		do_sync;		/* Flush to disk to ensure consistent state of
+								 * data */
+
+	stream_stop_callback stream_stop;	/* Stop streaming when returns true */
+
+	pgsocket	stop_socket;	/* if valid, watch for input on this socket
+								 * and check stream_stop() when there is any */
+
+	WalWriteMethod *walmethod;	/* How to write the WAL */
+	char	   *partial_suffix; /* Suffix appended to partially received files */
+	char	   *replication_slot;	/* Replication slot to use, or NULL */
+} StreamCtl;
+
+
+
+extern bool CheckServerVersionForStreaming(PGconn *conn);
+extern bool ReceiveXlogStream(PGconn *conn,
+							  StreamCtl *stream);
+
+#endif							/* RECEIVELOG_H */