lib-master: Log an error if login client disconnects too early.

--HG--
branch : HEAD

diff --git a/src/lib-master/master-login.c b/src/lib-master/master-login.c
index 850bcbc77920b0b46e0cd63485c4da538627b0c4..3a5586bf430e73d64adef7de214c61f271ab7dcc 100644 (file)
--- a/src/lib-master/master-login.c
+++ b/src/lib-master/master-login.c
@@ -19,6 +19,8 @@
 
 #define master_login_conn_is_closed(conn) \
        ((conn)->fd == -1)
+#define master_login_conn_has_clients(conn) \
+       ((conn)->refcount > 1)
 
 struct master_login_connection {
        struct master_login_connection *prev, *next;
@@ -110,6 +112,8 @@ master_login_conn_read_request(struct master_login_connection *conn,
        if (ret != sizeof(*req_r)) {
                if (ret == 0) {
                        /* disconnected */
+                       if (master_login_conn_has_clients(conn))
+                               i_error("Login client disconnected too early");
                } else if (ret > 0) {
                        /* request wasn't fully read */
                        i_error("fd_read() partial input (%d/%d)",
@@ -133,6 +137,10 @@ master_login_conn_read_request(struct master_login_connection *conn,
                if (ret != (ssize_t)req_r->data_size) {
                        if (ret == 0) {
                                /* disconnected */
+                               if (master_login_conn_has_clients(conn)) {
+                                       i_error("Login client disconnected too early "
+                                               "(while reading data)");
+                               }
                        } else if (ret > 0) {
                                /* request wasn't fully read */
                                i_error("Data read partially %d/%u",