mirror of
https://github.com/openvswitch/ovs
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0d71302e36
ofp-util had been far too large and monolithic for a long time. This commit breaks it up into units that make some logical sense. It also moves the pieces of ofp-parse that were specific to each unit into the relevant unit. Most of this commit is just moving code around. Signed-off-by: Ben Pfaff <blp@ovn.org> Reviewed-by: Yifeng Sun <pkusunyifeng@gmail.com>
160 lines
4.0 KiB
C
160 lines
4.0 KiB
C
/*
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* Copyright (c) 2013, 2014 Alexandru Copot <alex.mihai.c@gmail.com>, with support from IXIA.
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* Copyright (c) 2013, 2014 Daniel Baluta <dbaluta@ixiacom.com>
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* Copyright (c) 2014, 2015, 2016 Nicira, Inc.
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*
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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 <config.h>
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#include "bundles.h"
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#include "coverage.h"
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#include "fail-open.h"
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#include "in-band.h"
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#include "odp-util.h"
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#include "ofproto-provider.h"
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#include "openvswitch/ofp-actions.h"
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#include "openvswitch/ofp-msgs.h"
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#include "openvswitch/ofpbuf.h"
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#include "openvswitch/vconn.h"
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#include "openvswitch/vlog.h"
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#include "pinsched.h"
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#include "openvswitch/poll-loop.h"
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#include "openvswitch/rconn.h"
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#include "openvswitch/shash.h"
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#include "simap.h"
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#include "stream.h"
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#include "timeval.h"
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VLOG_DEFINE_THIS_MODULE(bundles);
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static struct ofp_bundle *
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ofp_bundle_create(uint32_t id, uint16_t flags, const struct ofp_header *oh)
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{
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struct ofp_bundle *bundle;
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bundle = xmalloc(sizeof(*bundle));
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bundle->used = time_msec();
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bundle->id = id;
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bundle->flags = flags;
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bundle->state = BS_OPEN;
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bundle->msg = xmemdup(oh, ntohs(oh->length));
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ovs_list_init(&bundle->msg_list);
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return bundle;
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}
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void
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ofp_bundle_remove__(struct ofconn *ofconn, struct ofp_bundle *bundle)
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{
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struct ofp_bundle_entry *msg;
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LIST_FOR_EACH_POP (msg, node, &bundle->msg_list) {
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ofp_bundle_entry_free(msg);
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}
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ofconn_remove_bundle(ofconn, bundle);
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free(bundle->msg);
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free(bundle);
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}
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enum ofperr
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ofp_bundle_open(struct ofconn *ofconn, uint32_t id, uint16_t flags,
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const struct ofp_header *oh)
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{
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struct ofp_bundle *bundle;
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bundle = ofconn_get_bundle(ofconn, id);
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if (bundle) {
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VLOG_INFO("Bundle %x already exists.", id);
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ofp_bundle_remove__(ofconn, bundle);
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return OFPERR_OFPBFC_BAD_ID;
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}
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bundle = ofp_bundle_create(id, flags, oh);
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ofconn_insert_bundle(ofconn, bundle);
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return 0;
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}
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enum ofperr
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ofp_bundle_close(struct ofconn *ofconn, uint32_t id, uint16_t flags)
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{
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struct ofp_bundle *bundle;
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bundle = ofconn_get_bundle(ofconn, id);
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if (!bundle) {
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return OFPERR_OFPBFC_BAD_ID;
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}
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if (bundle->state == BS_CLOSED) {
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ofp_bundle_remove__(ofconn, bundle);
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return OFPERR_OFPBFC_BUNDLE_CLOSED;
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}
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if (bundle->flags != flags) {
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ofp_bundle_remove__(ofconn, bundle);
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return OFPERR_OFPBFC_BAD_FLAGS;
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}
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bundle->used = time_msec();
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bundle->state = BS_CLOSED;
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return 0;
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}
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enum ofperr
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ofp_bundle_discard(struct ofconn *ofconn, uint32_t id)
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{
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struct ofp_bundle *bundle;
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bundle = ofconn_get_bundle(ofconn, id);
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if (!bundle) {
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return OFPERR_OFPBFC_BAD_ID;
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}
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ofp_bundle_remove__(ofconn, bundle);
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return 0;
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}
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enum ofperr
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ofp_bundle_add_message(struct ofconn *ofconn, uint32_t id, uint16_t flags,
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struct ofp_bundle_entry *bmsg,
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const struct ofp_header *oh)
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{
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struct ofp_bundle *bundle;
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bundle = ofconn_get_bundle(ofconn, id);
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if (!bundle) {
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bundle = ofp_bundle_create(id, flags, oh);
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ofconn_insert_bundle(ofconn, bundle);
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} else if (bundle->state == BS_CLOSED) {
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ofp_bundle_remove__(ofconn, bundle);
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return OFPERR_OFPBFC_BUNDLE_CLOSED;
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} else if (flags != bundle->flags) {
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ofp_bundle_remove__(ofconn, bundle);
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return OFPERR_OFPBFC_BAD_FLAGS;
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}
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bundle->used = time_msec();
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ovs_list_push_back(&bundle->msg_list, &bmsg->node);
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return 0;
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}
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