Split "action" functions to individual files

repmgr3's repmgr.c file was not far off 10,000 lines - this will make it easier to manage individual parts of the code.
2026-03-22 22:56:29 +00:00 · 2017-04-26 22:58:21 +09:00
parent 230eab28a9
commit bcf55b4f72
9 changed files with 426 additions and 345 deletions
--- a/repmgr-action-cluster.c
+++ b/repmgr-action-cluster.c
@@ -0,0 +1,113 @@
+/*
+ * repmgr-action-cluster.c
+ *
+ * Implements cluster information actions for the repmgr command line utility
+ *
+ * Copyright (c) 2ndQuadrant, 2010-2017
+ */
+
+#include "repmgr.h"
+
+#include "repmgr-client-global.h"
+#include "repmgr-action-cluster.h"
+
+/*
+ * CLUSTER EVENT
+ *
+ * Parameters:
+ *   --limit[=20]
+ *   --all
+ *   --node_[id|name]
+ *   --event
+ */
+void
+do_cluster_event(void)
+{
+	PGconn			 *conn;
+	PQExpBufferData	  query;
+	PQExpBufferData	  where_clause;
+	PGresult		 *res;
+	int			 	  i;
+
+	conn = establish_db_connection(config_file_options.conninfo, true);
+
+	initPQExpBuffer(&query);
+	initPQExpBuffer(&where_clause);
+
+	appendPQExpBuffer(&query,
+					  " SELECT node_id, event, successful, \n"
+					  "        TO_CHAR(event_timestamp, 'YYYY-MM-DD HH24:MI:SS') AS timestamp, \n"
+					  "        details \n"
+					  "   FROM repmgr.events");
+
+	if (runtime_options.node_id != UNKNOWN_NODE_ID)
+	{
+		append_where_clause(&where_clause,
+							"node_id=%i", runtime_options.node_id);
+	}
+
+	if (runtime_options.event[0] != '\0')
+	{
+		char *escaped = escape_string(conn, runtime_options.event);
+
+		if (escaped == NULL)
+		{
+			log_error(_("unable to escape value provided for event"));
+		}
+		else
+		{
+			append_where_clause(&where_clause,
+								"event='%s'",
+								escaped);
+			pfree(escaped);
+		}
+	}
+
+	appendPQExpBuffer(&query, "\n%s\n",
+					  where_clause.data);
+
+	appendPQExpBuffer(&query,
+					  " ORDER BY timestamp DESC");
+
+	if (runtime_options.all == false && runtime_options.limit > 0)
+	{
+		appendPQExpBuffer(&query, " LIMIT %i",
+						  runtime_options.limit);
+	}
+
+	log_debug("do_cluster_event():\n%s", query.data);
+	res = PQexec(conn, query.data);
+
+	if (PQresultStatus(res) != PGRES_TUPLES_OK)
+	{
+		log_error(_("unable to execute event query:\n  %s"),
+				  PQerrorMessage(conn));
+		PQclear(res);
+		PQfinish(conn);
+		exit(ERR_DB_QUERY);
+	}
+
+	if (PQntuples(res) == 0) {
+		printf(_("no matching events found\n"));
+		PQclear(res);
+		PQfinish(conn);
+		return;
+	}
+
+	/* XXX improve formatting */
+	puts("node_id,event,ok,timestamp,details");
+	puts("----------------------------------");
+	for(i = 0; i < PQntuples(res); i++)
+	{
+		printf("%s,%s,%s,%s,%s\n",
+			   PQgetvalue(res, i, 0),
+			   PQgetvalue(res, i, 1),
+			   PQgetvalue(res, i, 2),
+			   PQgetvalue(res, i, 3),
+			   PQgetvalue(res, i, 4));
+	}
+
+	PQclear(res);
+
+	PQfinish(conn);
+}