Application restart introduced.

When processing a restart request, the router sends a QUIT message to all
existing processes of the application.  Then, a new shared application port is
created to ensure that new requests won't be handled by the old processes of
the application.

3 files changed, 24 insertions, 0 deletions

diff --git a/test/python/restart/longstart.py b/test/python/restart/longstart.py
new file mode 100644
index 00000000..777398ac
--- /dev/null
+++ b/test/python/restart/longstart.py
@@ -0,0 +1,10 @@
+import os
+import time
+
+time.sleep(2)
+
+def application(environ, start_response):
+    body = str(os.getpid()).encode()
+
+    start_response('200', [('Content-Length', str(len(body)))])
+    return [body]
diff --git a/test/python/restart/v1.py b/test/python/restart/v1.py
new file mode 100644
index 00000000..2e45b269
--- /dev/null
+++ b/test/python/restart/v1.py
@@ -0,0 +1,7 @@
+import os
+
+def application(environ, start_response):
+    body = "v1".encode()
+
+    start_response('200', [('Content-Length', str(len(body)))])
+    return [body]
diff --git a/test/python/restart/v2.py b/test/python/restart/v2.py
new file mode 100644
index 00000000..59e3d30f
--- /dev/null
+++ b/test/python/restart/v2.py
@@ -0,0 +1,7 @@
+import os
+
+def application(environ, start_response):
+    body = "v2".encode()
+
+    start_response('200', [('Content-Length', str(len(body)))])
+    return [body]