log_replication_connections.patch

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 8e2a2c5..5f83adf 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -3380,6 +3380,21 @@ local0.*    /var/log/postgresql
       </listitem>
      </varlistentry>
 
+     <varlistentry id="guc-log-replication-connections" xreflabel="log_replication_connections">
+      <term><varname>log_replication_connections</varname> (<type>boolean</type>)</term>
+      <indexterm>
+       <primary><varname>log_replication_connections</> configuration parameter</primary>
+      </indexterm>
+      <listitem>
+       <para>
+        Causes each successful replication connection to the server to be
+        logged. This parameter can only be set in the
+        <filename>postgresql.conf</> file or on the server command line.
+        The default is on.
+       </para>
+      </listitem>
+     </varlistentry>
+
      <varlistentry id="guc-log-disconnections" xreflabel="log_disconnections">
       <term><varname>log_disconnections</varname> (<type>boolean</type>)</term>
       <indexterm>
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 179048f..a128e21 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -199,6 +199,7 @@ int			AuthenticationTimeout = 60;
 
 bool		log_hostname;		/* for ps display and logging */
 bool		Log_connections = false;
+bool		Log_replication_connections = false;
 bool		Db_user_namespace = false;
 
 bool		enable_bonjour = false;
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index b227e6c..3c941b1 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -3137,6 +3137,7 @@ set_debug_options(int debug_flag, GucContext context, GucSource source)
 	if (debug_flag >= 1 && context == PGC_POSTMASTER)
 	{
 		SetConfigOption("log_connections", "true", context, source);
+		SetConfigOption("log_replication_connections", "true", context, source);
 		SetConfigOption("log_disconnections", "true", context, source);
 	}
 	if (debug_flag >= 2)
diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c
index 76890f2..d09633e 100644
--- a/src/backend/utils/init/postinit.c
+++ b/src/backend/utils/init/postinit.c
@@ -219,22 +219,25 @@ PerformAuthentication(Port *port)
 		elog(FATAL, "could not disable timer for authorization timeout");
 
 	/*
-	 * Log connection for streaming replication even if Log_connections
-	 * disabled.
+	 * Log connection for streaming replication if Log_replication_connections
+	 * is enabled.
 	 */
 	if (am_walsender)
 	{
-		if (port->remote_port[0])
-			ereport(LOG,
-					(errmsg("replication connection authorized: user=%s host=%s port=%s",
-							port->user_name,
-							port->remote_host,
-							port->remote_port)));
-		else
-			ereport(LOG,
-				(errmsg("replication connection authorized: user=%s host=%s",
-						port->user_name,
-						port->remote_host)));
+		if (Log_replication_connections)
+		{
+			if (port->remote_port[0])
+				ereport(LOG,
+						(errmsg("replication connection authorized: user=%s host=%s port=%s",
+								port->user_name,
+								port->remote_host,
+								port->remote_port)));
+			else
+				ereport(LOG,
+						(errmsg("replication connection authorized: user=%s host=%s",
+								port->user_name,
+								port->remote_host)));
+		}
 	}
 	else if (Log_connections)
 		ereport(LOG,
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index e4dea31..94c58a4 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -803,6 +803,14 @@ static struct config_bool ConfigureNamesBool[] =
 		false, NULL, NULL
 	},
 	{
+		{"log_replication_connections", PGC_BACKEND, LOGGING_WHAT,
+			gettext_noop("Logs each successful replication connection."),
+			NULL
+		},
+		&Log_replication_connections,
+		true, NULL, NULL
+	},
+	{
 		{"log_disconnections", PGC_BACKEND, LOGGING_WHAT,
 			gettext_noop("Logs end of a session, including duration."),
 			NULL
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index f436b83..d9c8b97 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -353,6 +353,7 @@
 #debug_pretty_print = on
 #log_checkpoints = off
 #log_connections = off
+#log_replication_connections = on
 #log_disconnections = off
 #log_duration = off
 #log_error_verbosity = default		# terse, default, or verbose messages
diff --git a/src/include/postmaster/postmaster.h b/src/include/postmaster/postmaster.h
index 25cc84a..e2f5ba3 100644
--- a/src/include/postmaster/postmaster.h
+++ b/src/include/postmaster/postmaster.h
@@ -26,6 +26,7 @@ extern bool ClientAuthInProgress;
 extern int	PreAuthDelay;
 extern int	AuthenticationTimeout;
 extern bool Log_connections;
+extern bool Log_replication_connections;
 extern bool log_hostname;
 extern bool enable_bonjour;
 extern char *bonjour_name;