1/*
2 * Copyright (C) 2021-2022 Huawei Device Co., Ltd.
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 OHOS_DHCP_BINDING_H
17#define OHOS_DHCP_BINDING_H
18
19#include <stdint.h>
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25#define DEVICE_NAME_STRING_LENGTH 64
26enum BindingMode { BIND_MODE_STATIC = 0, BIND_MODE_DYNAMIC, BIND_MODE_RESERVED };
27
28enum BindingState { BIND_NONE = 0, BIND_PENDING, BIND_ASSOCIATED, BIND_EXPIRED, BIND_RELEASED };
29
30typedef struct AddressBinding AddressBinding;
31struct AddressBinding {
32    uint32_t ipAddress;
33    uint8_t chaddr[16];
34    uint32_t clientId;
35    uint64_t bindingTime;
36    uint64_t pendingTime;
37    uint64_t expireIn;
38    uint64_t leaseTime;
39    uint64_t pendingInterval;
40    int bindingStatus;
41    int bindingMode;
42    char deviceName[DEVICE_NAME_STRING_LENGTH];
43    char userClass[DEVICE_NAME_STRING_LENGTH]; // User-Class
44    char portalUrl[DEVICE_NAME_STRING_LENGTH]; // portalurl
45    bool rapidCommit; // Rapid Commit
46    int ipv6Only; // IPv6-Only Preferred
47};
48typedef struct AddressBinding *PAddressBinding;
49
50typedef struct AddressBindingNode AddressBindingNode;
51struct AddressBindingNode {
52    AddressBinding bind;
53    AddressBindingNode *next;
54};
55typedef struct AddressBindingNode *PAddressBindingNode;
56
57typedef struct AddressBindingList AddressBindingList;
58struct AddressBindingList {
59    int size;
60    AddressBindingNode *first;
61};
62typedef struct AddressBindingList *PAddressBindingList;
63
64uint64_t NextPendingInterval(uint64_t pendingInterval);
65int IsExpire(AddressBinding *binding);
66int WriteAddressBinding(const AddressBinding *binding, char *out, uint32_t size);
67int ParseAddressBinding(AddressBinding *binding, const char *buf);
68
69#ifdef __cplusplus
70}
71#endif
72#endif
73