Add new Lorry Controller

1 files changed, 40 insertions, 0 deletions

diff --git a/test-wait-for-port b/test-wait-for-port
new file mode 100755
index 0000000..22e07be
--- /dev/null
+++ b/test-wait-for-port
@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2014  Codethink Limited
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+'''Wait for a given port to be open.
+
+WARNING: This may wait for quite a long time. There is no timeout. Or
+spoon.
+
+'''
+
+import sys, socket, errno
+
+host = sys.argv[1]
+port = int(sys.argv[2])
+
+while True:
+    print "Trying %s port %s" % (host, port)
+    s = socket.socket()
+    try:
+        s.connect((host, port))
+    except socket.error as e:
+        if e.errno == errno.ECONNREFUSED:
+            continue
+        raise
+    s.close()
+    break