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1 /*
2  * Copyright (C) 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 FILLP_UTILS_H
17 #define FILLP_UTILS_H
18 #include <time.h>
19 #include "fillp_os.h"
20 #include "opt.h"
21 #include "fillp_function.h"
22 #include "log.h"
23 #include "securec.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
29 #define UTILS_FLAGS_SET(_flag, _f) ((_flag) |= (_f))
30 #define UTILS_FLAGS_GET(_flag, _f) ((_flag) & (_f))
31 #define UTILS_FLAGS_CLEAN(_flag, _f) ((_flag) &= ~(_f))
32 #define UTILS_FLAGS_RESET(_flag) ((_flag) &= 0u)
33 #define UTILS_FLAGS_CHECK(_flag, _f) (((_flag) & (_f)) == (_f))
34 
35 #define UTILS_ARRAY_LEN(_a) (sizeof(_a) / sizeof((_a)[0]))
36 
37 #define UTILS_MIN(a, b) ((a) < (b) ? (a) : (b))
38 #define UTILS_MAX(a, b) ((a) > (b) ? (a) : (b))
39 
40 #define FILLP_UTILS_MS2US(ms) ((ms) * 1000)
41 #define FILLP_UTILS_US2MS(us) ((us) / 1000)
42 #define FILLP_UTILS_US2S(us) ((us) / 1000000)
43 #define FILLP_UTILS_S2US(s)  ((s) * 1000000)
44 
45 #define FILLP_UTILS_KBPS2BPS(kbps) ((kbps) * 1000)
46 #define FILLP_UTILS_BPS2KBPS(bps)  ((bps) / 1000)
47 #define FILLP_UTILS_BIT2BYTE(bit)  ((bit) >> 3)
48 
49 #define UTILS_GET_ADDRPORT(addr) ((struct sockaddr_in*) (addr))->sin_port
50 #define IPV6_ADDR_LEN 16
51 
UtilsIpv4AddrPortKey(FILLP_UINT16 port,struct sockaddr_in * remoteAddr)52 __inline static FILLP_UINT32 UtilsIpv4AddrPortKey(FILLP_UINT16 port, struct sockaddr_in *remoteAddr)
53 {
54     return (port ^ (remoteAddr)->sin_addr.s_addr);
55 }
56 
UtilsIpv6AddrPortKey(FILLP_UINT16 port,struct sockaddr_in6 * remoteAddr)57 __inline static FILLP_UINT32 UtilsIpv6AddrPortKey(FILLP_UINT16 port, struct sockaddr_in6 *remoteAddr)
58 {
59     FILLP_INT i;
60     for (i = 0; i < IPV6_ADDR_LEN; i++) {
61         port ^= ((remoteAddr)->sin6_addr.s6_addr[i]);
62     }
63     return (FILLP_UINT32)port;
64 }
65 
UtilsAddrHashKey(struct sockaddr_in * addr)66 __inline static FILLP_UINT32 UtilsAddrHashKey(struct sockaddr_in *addr)
67 {
68     FILLP_INT port = UTILS_GET_ADDRPORT(addr);
69     socklen_t addrLen = sizeof(struct sockaddr);
70 
71     if (((struct sockaddr_in *)(void *)addr)->sin_family == AF_INET6) {
72         addrLen = sizeof(struct sockaddr_in6);
73     }
74 
75     if (addrLen == sizeof(struct sockaddr)) {
76         return UtilsIpv4AddrPortKey((FILLP_UINT16)port, addr);
77     } else {
78         return UtilsIpv6AddrPortKey((FILLP_UINT16)port, (struct sockaddr_in6 *)addr);
79     }
80 }
81 
UtilsIpv6AddrMatch(FILLP_CONST struct sockaddr_in6 * a,FILLP_CONST struct sockaddr_in6 * b)82 __inline static FILLP_BOOL UtilsIpv6AddrMatch(FILLP_CONST struct sockaddr_in6 *a, FILLP_CONST struct sockaddr_in6 *b)
83 {
84     FILLP_INT i;
85     for (i = 0; i < IPV6_ADDR_LEN; i++) {
86         if ((a)->sin6_addr.s6_addr[i] != (b)->sin6_addr.s6_addr[i]) {
87             return FILLP_FALSE;
88         }
89     }
90     return FILLP_TRUE;
91 }
92 
93 #define UTILS_ADDR_FAMILY_MATCH(a, b) (((struct sockaddr_in *)(void *)(a))->sin_family == \
94     ((struct sockaddr_in *)(void *)(b))->sin_family)
95 
96 #define UTILS_ADDR_PORT_MATCH(a, b) (((struct sockaddr_in *)(void *)(a))->sin_port == \
97     ((struct sockaddr_in *)(void *)(b))->sin_port)
98 
99 #define UTILS_IPV4_ADDR_MATCH(a, b) ((a)->sin_addr.s_addr == (b)->sin_addr.s_addr && \
100     UTILS_ADDR_PORT_MATCH((a), (b)))
101 
102 #define UTILS_IPV6_ADDR_MATCH(a, b) (UTILS_ADDR_PORT_MATCH((a), (b)) && \
103     UtilsIpv6AddrMatch((a), (b)))
104 
UtilsAddrMatch(FILLP_CONST struct sockaddr_in * addrA,FILLP_CONST struct sockaddr_in * addrB)105 static __inline FILLP_BOOL UtilsAddrMatch(FILLP_CONST struct sockaddr_in *addrA, FILLP_CONST struct sockaddr_in *addrB)
106 {
107     if (!UTILS_ADDR_FAMILY_MATCH(addrA, addrB)) {
108         return FILLP_FALSE;
109     }
110 
111     if (addrA->sin_family == AF_INET) {
112         return (FILLP_BOOL)UTILS_IPV4_ADDR_MATCH(addrA, addrB);
113     } else {
114         return (FILLP_BOOL)UTILS_IPV6_ADDR_MATCH((struct sockaddr_in6 *)addrA, (struct sockaddr_in6 *)addrB);
115     }
116 }
117 
UtilsAddrCopy(struct sockaddr * dest,struct sockaddr * src)118 static __inline void UtilsAddrCopy(struct sockaddr *dest, struct sockaddr *src)
119 {
120     FillpErrorType err;
121     if (((struct sockaddr_in *)(void *)src)->sin_family == AF_INET) {
122         err = memcpy_s(dest, sizeof(struct sockaddr_in), src, sizeof(struct sockaddr_in));
123     } else {
124         err = memcpy_s(dest, sizeof(struct sockaddr_in6), src, sizeof(struct sockaddr_in6));
125     }
126     if (err != EOK) {
127         FILLP_LOGERR("utils_addr_copy memcpy_s failed : %d", err);
128     }
129 }
130 
UtilsAddrValidLength(struct sockaddr_in * addr)131 static __inline size_t UtilsAddrValidLength(struct sockaddr_in *addr)
132 {
133     if (((struct sockaddr_in *)(void *)addr)->sin_family == AF_INET) {
134         return sizeof(struct sockaddr_in);
135     }
136 
137     return sizeof(struct sockaddr_in6);
138 }
139 
140 #ifdef __cplusplus
141 }
142 #endif
143 
144 #endif /* FILLP_UTILS_H */