vty/telnet_interface.c: log connection accept() / close() events
Unfortunately, osmo_sock_get_name_buf() fails in telnet_close_client():
DLGLOBAL INFO telnet_interface.c:130 Closing telnet connection <error-in-getsockname>
because getsockname(), getpeername(), and even close() fail with:
"Bad file descriptor".
This looks like a bug of the existing code.
Change-Id: I77b31abfa159d2f269deaa5a08d94b7bbba7d23c
diff --git a/src/vty/telnet_interface.c b/src/vty/telnet_interface.c
index d44754c..9aa36fe 100644
--- a/src/vty/telnet_interface.c
+++ b/src/vty/telnet_interface.c
@@ -123,6 +123,13 @@
int telnet_close_client(struct osmo_fd *fd)
{
struct telnet_connection *conn = (struct telnet_connection*)fd->data;
+ char sock_name_buf[OSMO_SOCK_NAME_MAXLEN];
+ int rc;
+
+ /* FIXME: getsockname() always fails: "Bad file descriptor" */
+ rc = osmo_sock_get_name_buf(sock_name_buf, OSMO_SOCK_NAME_MAXLEN, fd->fd);
+ LOGP(DLGLOBAL, LOGL_INFO, "Closing telnet connection %s\n",
+ (rc <= 0) ? "r=NULL<->l=NULL" : sock_name_buf);
close(fd->fd);
osmo_fd_unregister(fd);
@@ -166,6 +173,7 @@
struct sockaddr_in sockaddr;
socklen_t len = sizeof(sockaddr);
int new_connection = accept(fd->fd, (struct sockaddr*)&sockaddr, &len);
+ char sock_name_buf[OSMO_SOCK_NAME_MAXLEN];
int rc;
if (new_connection < 0) {
@@ -173,6 +181,10 @@
return new_connection;
}
+ rc = osmo_sock_get_name_buf(sock_name_buf, OSMO_SOCK_NAME_MAXLEN, new_connection);
+ LOGP(DLGLOBAL, LOGL_INFO, "Accept()ed new telnet connection %s\n",
+ (rc <= 0) ? "r=NULL<->l=NULL" : sock_name_buf);
+
connection = talloc_zero(tall_telnet_ctx, struct telnet_connection);
connection->priv = fd->data;
connection->fd.data = connection;