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https://github.com/openvswitch/ovs
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a5c067a8b9
This new module has a single direct user now. In the future, it will also be used by OVN. Signed-off-by: Ben Pfaff <blp@ovn.org> Acked-by: Ilya Maximets <i.maximets@ovn.org>
71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Nicira, Inc.
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* Copyright (C) 2016 Hewlett Packard Enterprise Development LP
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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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#ifndef OVSDB_CS_H
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#define OVSDB_CS_H 1
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#include "openvswitch/compiler.h"
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#include "openvswitch/hmap.h"
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#include "openvswitch/json.h"
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#include "openvswitch/shash.h"
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#include "openvswitch/uuid.h"
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/* Open vSwitch Database client synchronization layer. */
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/* Helper for partially parsing the <table-updates> or <table-updates2> that
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* appear in struct ovsdb_cs_update_event. The helper leaves the data in JSON
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* format, so it doesn't need to know column types. */
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/* The kind of change to a row. */
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enum ovsdb_cs_row_update_type {
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OVSDB_CS_ROW_DELETE, /* Row deletion. */
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OVSDB_CS_ROW_INSERT, /* Row insertion. */
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OVSDB_CS_ROW_UPDATE, /* Replacement of data within a row. */
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OVSDB_CS_ROW_XOR /* <table-updates2> diff application. */
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};
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/* Partially parsed <row-update> or <row-update2>. */
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struct ovsdb_cs_row_update {
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struct uuid row_uuid; /* Row's _uuid. */
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enum ovsdb_cs_row_update_type type; /* Type of change. */
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const struct shash *columns; /* Map from column name to json data. */
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};
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/* Partially parsed <table-update> or <table-update2>. */
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struct ovsdb_cs_table_update {
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const char *table_name;
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struct ovsdb_cs_row_update *row_updates;
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size_t n;
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};
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struct ovsdb_cs_db_update {
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struct ovsdb_cs_table_update *table_updates;
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size_t n;
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};
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struct ovsdb_error *ovsdb_cs_parse_db_update(
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const struct json *table_updates, int version,
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struct ovsdb_cs_db_update **db_updatep)
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OVS_WARN_UNUSED_RESULT;
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void ovsdb_cs_db_update_destroy(struct ovsdb_cs_db_update *);
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/* Simple parsing of OVSDB schemas for use by ovsdb_cs clients. */
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struct shash *ovsdb_cs_parse_schema(const struct json *schema_json);
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void ovsdb_cs_free_schema(struct shash *schema);
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#endif /* ovsdb-cs.h */
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