3be9164f80
Type: improvement Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Benoît Ganne <bganne@cisco.com> Change-Id: I2f30a4f04fd9a8635ce2d259b5fd5b0c85cee8c3
137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
/*
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* gbp.h : Group Based Policy
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*
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* Copyright (c) 2018 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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*/
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#include <plugins/gbp/gbp_scanner.h>
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#include <plugins/gbp/gbp_endpoint.h>
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#include <plugins/gbp/gbp_vxlan.h>
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/**
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* Scanner logger
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*/
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vlib_log_class_t gs_logger;
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/**
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* Scanner state
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*/
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static bool gs_enabled;
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#define GBP_SCANNER_DBG(...) \
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vlib_log_debug (gs_logger, __VA_ARGS__);
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static uword
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gbp_scanner (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
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{
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uword event_type, *event_data = 0;
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bool do_scan = 0;
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while (1)
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{
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do_scan = 0;
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if (gs_enabled)
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{
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/* scan every 'inactive threshold' seconds */
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vlib_process_wait_for_event_or_clock (vm, 2);
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}
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else
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vlib_process_wait_for_event (vm);
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event_type = vlib_process_get_events (vm, &event_data);
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vec_reset_length (event_data);
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switch (event_type)
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{
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case ~0:
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/* timer expired */
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do_scan = 1;
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break;
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case GBP_ENDPOINT_SCAN_START:
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gs_enabled = 1;
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break;
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case GBP_ENDPOINT_SCAN_STOP:
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gs_enabled = 0;
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break;
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case GBP_ENDPOINT_SCAN_SET_TIME:
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break;
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default:
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ASSERT (0);
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}
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if (do_scan)
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{
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GBP_SCANNER_DBG ("start");
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gbp_endpoint_scan (vm);
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GBP_SCANNER_DBG ("stop");
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}
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}
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return 0;
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}
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/* *INDENT-OFF* */
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VLIB_REGISTER_NODE (gbp_scanner_node) = {
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.function = gbp_scanner,
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.type = VLIB_NODE_TYPE_PROCESS,
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.name = "gbp-scanner",
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};
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/* *INDENT-ON* */
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static clib_error_t *
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gbp_scanner_cli (vlib_main_t * vm,
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unformat_input_t * input, vlib_cli_command_t * cmd)
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{
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vlib_cli_output (vm, "GBP-scanner: enabled:%d interval:2", gs_enabled);
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return (NULL);
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}
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/*?
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* Show GBP scanner
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*
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* @cliexpar
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* @cliexstart{show gbp scanner}
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* @cliexend
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?*/
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/* *INDENT-OFF* */
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VLIB_CLI_COMMAND (gbp_scanner_cli_node, static) = {
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.path = "show gbp scanner",
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.short_help = "show gbp scanner",
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.function = gbp_scanner_cli,
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};
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/* *INDENT-ON* */
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static clib_error_t *
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gbp_scanner_init (vlib_main_t * vm)
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{
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gs_logger = vlib_log_register_class ("gbp", "scan");
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return (NULL);
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}
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VLIB_INIT_FUNCTION (gbp_scanner_init);
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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