[tcp] Display "connecting" status until connection is established

Provide increased visibility into the progress of TCP connections by displaying an explicit "connecting" status message while waiting for the TCP handshake to complete. Signed-off-by: Michael Brown <mcb30@ipxe.org>
ipxe · Mar 10, 2019 · f6b2bf9 · f6b2bf9
1 parent 7b63c12
commit f6b2bf9
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/src/net/tcp.c b/src/net/tcp.c
@@ -17,6 +17,7 @@
 #include <ipxe/netdevice.h>
 #include <ipxe/profile.h>
 #include <ipxe/process.h>
+#include <ipxe/job.h>
 #include <ipxe/tcpip.h>
 #include <ipxe/tcp.h>
 
@@ -1704,10 +1705,30 @@ static int tcp_xfer_deliver ( struct tcp_connection *tcp,
 	return 0;
 }
 
+/**
+ * Report job progress
+ *
+ * @v tcp		TCP connection
+ * @v progress		Progress report to fill in
+ * @ret ongoing_rc	Ongoing job status code (if known)
+ */
+static int tcp_progress ( struct tcp_connection *tcp,
+			  struct job_progress *progress ) {
+
+	/* Report connection in progress if applicable */
+	if ( ! TCP_HAS_BEEN_ESTABLISHED ( tcp->tcp_state ) ) {
+		snprintf ( progress->message, sizeof ( progress->message ),
+			   "connecting" );
+	}
+
+	return 0;
+}
+
 /** TCP data transfer interface operations */
 static struct interface_operation tcp_xfer_operations[] = {
 	INTF_OP ( xfer_deliver, struct tcp_connection *, tcp_xfer_deliver ),
 	INTF_OP ( xfer_window, struct tcp_connection *, tcp_xfer_window ),
+	INTF_OP ( job_progress, struct tcp_connection *, tcp_progress ),
 	INTF_OP ( intf_close, struct tcp_connection *, tcp_xfer_close ),
 };