From a23197980e40d4d9414bcfaf59005a1dc2a89251 Mon Sep 17 00:00:00 2001
From: sreejith <sreejith.surendrannair@linaro.org>
Date: Wed, 29 Mar 2017 01:15:02 -0400
Subject: Added vpp intial source code from master branch 17.01.1

Change-Id: I81bdace6f330825a1746a853766779dfb24765fd
Signed-off-by: sreejith <sreejith.surendrannair@linaro.org>
---
 vpp/build-root/emacs-lisp/periodic-skel.el | 86 ++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 vpp/build-root/emacs-lisp/periodic-skel.el

(limited to 'vpp/build-root/emacs-lisp/periodic-skel.el')

diff --git a/vpp/build-root/emacs-lisp/periodic-skel.el b/vpp/build-root/emacs-lisp/periodic-skel.el
new file mode 100644
index 00000000..a8f3ef6d
--- /dev/null
+++ b/vpp/build-root/emacs-lisp/periodic-skel.el
@@ -0,0 +1,86 @@
+;;; pipe-skel.el - pipelined graph node skeleton
+
+(require 'skeleton)
+
+(define-skeleton skel-periodic
+"Insert a skeleton periodic process node"
+nil
+'(setq node-name (skeleton-read "Name: "))
+'(setq uc-node-name (upcase node-name))
+'(setq poll-period (skeleton-read "Poll period (f64 seconds, e.g. 10.0): "))
+
+"
+#define " uc-node-name "_POLL_PERIOD " poll-period "
+
+static uword
+" node-name "_process (vlib_main_t * vm,
+                       vlib_node_runtime_t * rt,
+                       vlib_frame_t * f)
+{
+    f64 poll_time_remaining;
+    uword event_type, * event_data = 0;
+
+    poll_time_remaining = " uc-node-name "_POLL_PERIOD;
+    while (1) {
+        int i;
+
+        /* 
+         * Sleep until next periodic call due, or until we receive event(s) 
+         */
+        poll_time_remaining = 
+            vlib_process_wait_for_event_or_clock (vm, poll_time_remaining);
+        
+        event_type = vlib_process_get_events (vm, &event_data);
+        switch (event_type) {
+        case ~0:                /* no events => timeout */
+            break;
+
+        /* 
+         * $$$$ FIXME: add cases / handlers for each event type 
+         */
+        case EVENT1:
+            for (i = 0; i < vec_len (event_data); i++) 
+                handle_event1 (mm, event_data[i]);
+            break;
+
+        case EVENT2:
+            for (i = 0; i < vec_len (event_data); i++) 
+                handle_event2 (vm, event_data[i]);
+	    break;
+
+        /* ... and so forth for each event type */
+
+        default:
+            /* This should never happen... */
+            clib_warning (\"BUG: unhandled event type %d\", event_type);
+            break;
+        }
+        if (event_data)
+            _vec_len (event_data) = 0;
+
+        /* Timer expired, call periodic function */
+        if (vlib_process_suspend_time_is_zero (poll_time_remaining)) {
+            " node-name "_periodic (vm);
+            poll_time_remaining = " uc-node-name "_POLL_PERIOD;
+        }
+    }
+
+    return 0;
+}
+
+/*
+ * " node-name " periodic node declaration 
+ */
+static VLIB_REGISTER_NODE (" node-name "_node) = {
+    .function = " node-name "_process,
+    .type = VLIB_NODE_TYPE_PROCESS,
+    .name = \"" node-name "-process\",
+};
+
+/*
+ * To signal an event:
+ *
+ * vlib_process_signal_event (vm, " node-name "_node.index, EVENTn, datum);
+ *
+ */
+")
-- 
cgit 1.2.3-korg