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239fa5bb | 1 | /* Copyright (c) 2009, 2010, 2011, 2012, 2016 Nicira, Inc. |
c3bb4bd7 BP |
2 | * |
3 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | * you may not use this file except in compliance with the License. | |
5 | * You may obtain a copy of the License at: | |
6 | * | |
7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
8 | * | |
9 | * Unless required by applicable law or agreed to in writing, software | |
10 | * distributed under the License is distributed on an "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | * See the License for the specific language governing permissions and | |
13 | * limitations under the License. | |
14 | */ | |
15 | ||
16 | #ifndef OVSDB_IDL_PROVIDER_H | |
17 | #define OVSDB_IDL_PROVIDER_H 1 | |
18 | ||
ee89ea7b | 19 | #include "openvswitch/hmap.h" |
b19bab5b | 20 | #include "openvswitch/list.h" |
c3bb4bd7 | 21 | #include "ovsdb-idl.h" |
f199df26 | 22 | #include "ovsdb-map-op.h" |
f1ab6e06 | 23 | #include "ovsdb-set-op.h" |
c3bb4bd7 | 24 | #include "ovsdb-types.h" |
ee89ea7b | 25 | #include "openvswitch/shash.h" |
c3bb4bd7 BP |
26 | #include "uuid.h" |
27 | ||
28 | struct ovsdb_idl_row { | |
29 | struct hmap_node hmap_node; /* In struct ovsdb_idl_table's 'rows'. */ | |
30 | struct uuid uuid; /* Row "_uuid" field. */ | |
ca6ba700 TG |
31 | struct ovs_list src_arcs; /* Forward arcs (ovsdb_idl_arc.src_node). */ |
32 | struct ovs_list dst_arcs; /* Backward arcs (ovsdb_idl_arc.dst_node). */ | |
c3bb4bd7 | 33 | struct ovsdb_idl_table *table; /* Containing table. */ |
475281c0 BP |
34 | struct ovsdb_datum *old; /* Committed data (null if orphaned). */ |
35 | ||
36 | /* Transactional data. */ | |
37 | struct ovsdb_datum *new; /* Modified data (null to delete row). */ | |
38 | unsigned long int *prereqs; /* Bitmap of columns to verify in "old". */ | |
39 | unsigned long int *written; /* Bitmap of columns from "new" to write. */ | |
40 | struct hmap_node txn_node; /* Node in ovsdb_idl_txn's list. */ | |
f199df26 EA |
41 | unsigned long int *map_op_written; /* Bitmap of columns pending map ops. */ |
42 | struct map_op_list **map_op_lists; /* Per-column map operations. */ | |
f1ab6e06 RM |
43 | unsigned long int *set_op_written; /* Bitmap of columns pending set ops. */ |
44 | struct set_op_list **set_op_lists; /* Per-column set operations. */ | |
932104f4 | 45 | |
32d37ce8 | 46 | /* Tracking data */ |
932104f4 | 47 | unsigned int change_seqno[OVSDB_IDL_CHANGE_MAX]; |
32d37ce8 SA |
48 | struct ovs_list track_node; /* Rows modified/added/deleted by IDL */ |
49 | unsigned long int *updated; /* Bitmap of columns updated by IDL */ | |
c3bb4bd7 BP |
50 | }; |
51 | ||
52 | struct ovsdb_idl_column { | |
53 | char *name; | |
54 | struct ovsdb_type type; | |
341c4e59 | 55 | bool mutable; |
979821c0 BP |
56 | void (*parse)(struct ovsdb_idl_row *, const struct ovsdb_datum *); |
57 | void (*unparse)(struct ovsdb_idl_row *); | |
c3bb4bd7 BP |
58 | }; |
59 | ||
60 | struct ovsdb_idl_table_class { | |
61 | char *name; | |
c5f341ab | 62 | bool is_root; |
c3bb4bd7 BP |
63 | const struct ovsdb_idl_column *columns; |
64 | size_t n_columns; | |
65 | size_t allocation_size; | |
a699f614 | 66 | void (*row_init)(struct ovsdb_idl_row *); |
c3bb4bd7 BP |
67 | }; |
68 | ||
239fa5bb BP |
69 | struct ovsdb_idl_condition { |
70 | const struct ovsdb_idl_table_class *tc; | |
71 | struct ovs_list clauses; | |
72 | }; | |
73 | ||
c3bb4bd7 BP |
74 | struct ovsdb_idl_table { |
75 | const struct ovsdb_idl_table_class *class; | |
ef73f86c | 76 | unsigned char *modes; /* OVSDB_IDL_* bitmasks, indexed by column. */ |
cd26c1dc AE |
77 | bool need_table; /* Monitor table even if no columns are selected |
78 | * for replication. */ | |
c3bb4bd7 BP |
79 | struct shash columns; /* Contains "const struct ovsdb_idl_column *"s. */ |
80 | struct hmap rows; /* Contains "struct ovsdb_idl_row"s. */ | |
81 | struct ovsdb_idl *idl; /* Containing idl. */ | |
932104f4 SA |
82 | unsigned int change_seqno[OVSDB_IDL_CHANGE_MAX]; |
83 | struct ovs_list track_list; /* Tracked rows (ovsdb_idl_row.track_node). */ | |
16ebb90e LS |
84 | struct ovsdb_idl_condition condition; |
85 | bool cond_changed; | |
c3bb4bd7 BP |
86 | }; |
87 | ||
88 | struct ovsdb_idl_class { | |
9cb53f26 | 89 | const char *database; /* <db-name> for this database. */ |
c3bb4bd7 BP |
90 | const struct ovsdb_idl_table_class *tables; |
91 | size_t n_tables; | |
92 | }; | |
93 | ||
94 | struct ovsdb_idl_row *ovsdb_idl_get_row_arc( | |
95 | struct ovsdb_idl_row *src, | |
96 | struct ovsdb_idl_table_class *dst_table, | |
97 | const struct uuid *dst_uuid); | |
98 | ||
475281c0 BP |
99 | void ovsdb_idl_txn_verify(const struct ovsdb_idl_row *, |
100 | const struct ovsdb_idl_column *); | |
475281c0 | 101 | |
76c91af9 BP |
102 | struct ovsdb_idl_txn *ovsdb_idl_txn_get(const struct ovsdb_idl_row *); |
103 | ||
c3bb4bd7 | 104 | #endif /* ovsdb-idl-provider.h */ |