f4addbd03a
Change-Id: Ide4e2d2a06dff20c94ae5436ba6361b246052867 Signed-off-by: Dave Barach <dave@barachs.net>
100 lines
2.9 KiB
EmacsLisp
100 lines
2.9 KiB
EmacsLisp
;;; Copyright (c) 2016 Cisco and/or its affiliates.
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;;; Licensed under the Apache License, Version 2.0 (the "License");
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;;; you may not use this file except in compliance with the License.
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;;; You may obtain a copy of the License at:
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;;;
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;;; http://www.apache.org/licenses/LICENSE-2.0
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;;;
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;;; Unless required by applicable law or agreed to in writing, software
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;;; distributed under the License is distributed on an "AS IS" BASIS,
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;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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;;; See the License for the specific language governing permissions and
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;;; limitations under the License.
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;;; pipe-skel.el - pipelined graph node skeleton
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(require 'skeleton)
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(define-skeleton skel-periodic
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"Insert a skeleton periodic process node"
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nil
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'(setq node-name (skeleton-read "Name: "))
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'(setq uc-node-name (upcase node-name))
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'(setq poll-period (skeleton-read "Poll period (f64 seconds, e.g. 10.0): "))
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"
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#define " uc-node-name "_POLL_PERIOD " poll-period "
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static uword
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" node-name "_process (vlib_main_t * vm,
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vlib_node_runtime_t * rt,
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vlib_frame_t * f)
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{
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f64 poll_time_remaining;
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uword event_type, * event_data = 0;
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poll_time_remaining = " uc-node-name "_POLL_PERIOD;
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while (1) {
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int i;
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/*
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* Sleep until next periodic call due, or until we receive event(s)
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*/
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poll_time_remaining =
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vlib_process_wait_for_event_or_clock (vm, poll_time_remaining);
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event_type = vlib_process_get_events (vm, &event_data);
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switch (event_type) {
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case ~0: /* no events => timeout */
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break;
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/*
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* $$$$ FIXME: add cases / handlers for each event type
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*/
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case EVENT1:
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for (i = 0; i < vec_len (event_data); i++)
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handle_event1 (mm, event_data[i]);
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break;
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case EVENT2:
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for (i = 0; i < vec_len (event_data); i++)
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handle_event2 (vm, event_data[i]);
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break;
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/* ... and so forth for each event type */
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default:
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/* This should never happen... */
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clib_warning (\"BUG: unhandled event type %d\", event_type);
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break;
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}
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if (event_data)
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_vec_len (event_data) = 0;
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/* Timer expired, call periodic function */
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if (vlib_process_suspend_time_is_zero (poll_time_remaining)) {
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" node-name "_periodic (vm);
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poll_time_remaining = " uc-node-name "_POLL_PERIOD;
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}
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}
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return 0;
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}
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/*
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* " node-name " periodic node declaration
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*/
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VLIB_REGISTER_NODE (" plugin-name "_periodic_node,static) = {
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.function = " node-name "_process,
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.type = VLIB_NODE_TYPE_PROCESS,
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.name = \"" node-name "-process\",
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};
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/*
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* To signal an event:
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*
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* vlib_process_signal_event (vm, " node-name "_node.index, EVENTn, datum);
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*
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*/
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")
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