Add plugin periodic function elisp skeleton

Change-Id: Ide4e2d2a06dff20c94ae5436ba6361b246052867
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 139 insertions, 0 deletions

diff --git a/extras/emacs/plugin-periodic-skel.el b/extras/emacs/plugin-periodic-skel.el
new file mode 100644
index 00000000000..ff1d94e02b4
--- /dev/null
+++ b/extras/emacs/plugin-periodic-skel.el
@@ -0,0 +1,139 @@
+;;; plugin-periodic-skel.el - periodic (process) node skeleton
+;;;
+;;; Copyright (c) 2016 Cisco and/or its affiliates.
+;;; Licensed under the Apache License, Version 2.0 (the "License");
+;;; you may not use this file except in compliance with the License.
+;;; You may obtain a copy of the License at:
+;;;
+;;;     http://www.apache.org/licenses/LICENSE-2.0
+;;;
+;;; Unless required by applicable law or agreed to in writing, software
+;;; distributed under the License is distributed on an "AS IS" BASIS,
+;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+;;; See the License for the specific language governing permissions and
+;;; limitations under the License.
+
+(require 'skeleton)
+
+(define-skeleton skel-plugin-periodic
+"Insert a periodic node skeleton "
+nil
+'(if (not (boundp 'plugin-name))
+     (setq plugin-name (read-string "Plugin name: ")))
+'(setq PLUGIN-NAME (upcase plugin-name))
+'(setq capital-oh-en "ON")
+"/*
+ * " plugin-name "_periodic.c - skeleton plug-in periodic function 
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * Licensed under the Apache License, Version 2.0 (the \"License\");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an \"AS IS\" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vlib/vlib.h>
+#include <vppinfra/error.h>
+#include <" plugin-name "/" plugin-name ".h>
+
+static void 
+handle_event1 (" plugin-name "_main_t *pm, f64 now, uword event_data)
+{
+  clib_warning (\"received " PLUGIN-NAME "_EVENT1\");
+}
+                           
+static void 
+handle_event2 (" plugin-name "_main_t *pm, f64 now, uword event_data)
+{
+  clib_warning (\"received " PLUGIN-NAME "_EVENT2\");
+}
+                           
+static void
+handle_periodic_enable_disable (" plugin-name"_main_t *pm, f64 now, uword event_data)
+{
+   clib_warning (\"Periodic timeouts now %s\", 
+     event_data ? \"enabled\" : \"disabled\");
+   pm->periodic_timer_enabled = event_data;
+}
+
+static void
+handle_timeout (" plugin-name"_main_t *pm, f64 now)
+{
+  clib_warning (\"timeout at %.2f\", now);
+}
+
+static uword
+" plugin-name "_periodic_process (vlib_main_t * vm,
+	                  vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+  " plugin-name "_main_t *pm = &" plugin-name "_main;
+  f64 now;
+  f64 timeout = 10.0;
+  uword *event_data = 0;
+  uword event_type;
+  int i;
+
+  while (1)
+    {
+      if (pm->periodic_timer_enabled)
+        vlib_process_wait_for_event_or_clock (vm, timeout);
+      else
+        vlib_process_wait_for_event (vm);
+
+      now = vlib_time_now (vm);
+
+      event_type = vlib_process_get_events (vm, (uword **) & event_data);
+
+      switch (event_type)
+	{
+	  /* Handle " PLUGIN-NAME "_EVENT1 */
+	case " PLUGIN-NAME "_EVENT1:
+	  for (i = 0; i < vec_len (event_data); i++)
+	    handle_event1 (pm, now, event_data[i]);
+	  break;
+
+	  /* Handle " PLUGIN-NAME "_EVENT2 */
+	case " PLUGIN-NAME"_EVENT2:
+	  for (i = 0; i < vec_len (event_data); i++)
+	    handle_event2 (pm, now, event_data[i]);
+	  break;
+          /* Handle the periodic timer on/off event */
+	case " PLUGIN-NAME"_EVENT_PERIODIC_ENABLE_DISABLE:
+	  for (i = 0; i < vec_len (event_data); i++)
+	    handle_periodic_enable_disable (pm, now, event_data[i]);
+	  break;
+
+          /* Handle periodic timeouts */
+	case ~0:
+	  handle_timeout (pm, now);
+	  break;
+	}
+      vec_reset_length (event_data);
+    }
+  return 0;			/* or not */
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE ("plugin-name"_periodic_node) =
+{
+  .function = " plugin-name "_periodic_process,
+  .type = VLIB_NODE_TYPE_PROCESS,
+  .name = \"" plugin-name "-periodic-process\",
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: " capital-oh-en "
+ *
+ * Local Variables:
+ * eval: (c-set-style \"gnu\")
+ * End:
+ */
+")