From 0a435cbeb2b62e36b284b80af34cfbf283032dc6 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Thu, 8 Feb 2018 10:52:57 +0200
Subject: [PATCH] lib: Add connection_streams_changed()

Originally by Stephan Bosch
---
 src/lib/connection.c | 10 ++++++++++
 src/lib/connection.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/src/lib/connection.c b/src/lib/connection.c
index 4dc0495272..17ba4b7edd 100644
--- a/src/lib/connection.c
+++ b/src/lib/connection.c
@@ -164,6 +164,16 @@ static void connection_init_streams(struct connection *conn)
 	}
 }
 
+void connection_streams_changed(struct connection *conn)
+{
+	const struct connection_settings *set = &conn->list->set;
+
+	if (set->input_max_size != 0 && conn->io != NULL) {
+		io_remove(&conn->io);
+		conn->io = io_add_istream(conn->input, *conn->list->v.input, conn);
+	}
+}
+
 static void connection_client_connected(struct connection *conn, bool success)
 {
 	i_assert(conn->list->set.client);
diff --git a/src/lib/connection.h b/src/lib/connection.h
index b366ee8125..018dcd61b4 100644
--- a/src/lib/connection.h
+++ b/src/lib/connection.h
@@ -127,6 +127,8 @@ int connection_client_connect(struct connection *conn);
 void connection_disconnect(struct connection *conn);
 void connection_deinit(struct connection *conn);
 
+void connection_streams_changed(struct connection *conn);
+
 /* Returns -1 = disconnected, 0 = nothing new, 1 = something new.
    If input_full_behavior is ALLOW, may return also -2 = buffer full. */
 int connection_input_read(struct connection *conn);