Annotation of libelwix/inc/elwix/anet.h, revision 1.2.2.3
1.1 misho 1: /*************************************************************************
2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.2.2.3 ! misho 6: * $Id: anet.h,v 1.2.2.2 2013/06/03 11:41:45 misho Exp $
1.1 misho 7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #ifndef __ANET_H
47: #define __ANET_H
48:
49:
50: struct e_ether_addr {
51: u_int8_t ether_addr_octet[6];
52: };
53: typedef struct e_ether_addr ether_addr_t;
54:
55: typedef union {
56: struct sockaddr_storage ss;
57: struct sockaddr sa;
58: struct sockaddr_un sun;
59: struct sockaddr_in sin;
60: struct sockaddr_in6 sin6;
61: struct sockaddr_dl sdl;
62: } sockaddr_t;
63: #define E_SOCKADDR_INIT { .ss = { 0 } }
64:
1.2.2.2 misho 65: typedef union {
66: struct in_addr in;
67: struct in6_addr in6;
68: } inaddr_t;
69:
70: typedef struct {
71: sockaddr_t addr;
72: inaddr_t mask;
73: } netaddr_t;
74:
1.2.2.1 misho 75: #define E_CIDRMASK(x) ((((1 << (x)) - 1) << (32 - (x))) & 0xFFFFFFFF)
76:
1.1 misho 77:
78: /*
79: * e_usleep() - usleep() replacement for ELWIX
80: *
81: * @usec = microseconds for sleep
82: * return: -1 interrupted by signal or 0 ok
83: */
1.2 misho 84: int e_usleep(unsigned int usec);
1.1 misho 85: /*
86: * e_ether_ntoa() - Convert ethernet address to string
87: *
88: * @n = ethernet address structure, like struct ether_addr
89: * @a = string
90: * @len = string length
91: * return: NULL error or !=NULL string a
92: */
1.2 misho 93: char *e_ether_ntoa(const struct e_ether_addr *n, char * __restrict a, int len);
1.1 misho 94: /*
95: * e_ether_aton() - Convert string to ethernet address
96: *
97: * @a = string
98: * @e = ethernet address structure, like struct ether_addr
99: * return: NULL error or !=NULL ethernet address structure
100: */
1.2 misho 101: struct e_ether_addr *e_ether_aton(const char *a, struct e_ether_addr *e);
1.1 misho 102: /*
103: * e_n2port() - Extract port from network structure
104: *
105: * @addr = Address
106: * return: 0 not supported family type or port number
107: */
1.2 misho 108: unsigned short e_n2port(sockaddr_t * __restrict addr);
1.1 misho 109: /*
110: * e_n2addr() - Extract address from network structure
111: *
112: * @addr = Address
113: * @val = Value for store string address
114: * return: NULL error or !=NULL string address from val
115: */
116: const char *e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __restrict val);
117: /*
118: * e_gethostbyname() - Get host and port and make network structure
119: *
120: * @psHost = Hostname
121: * @port = Port
122: * @addr = Network address structure
123: * return: NULL error or !=NULL network structure
124: */
125: sockaddr_t *e_gethostbyname(const char *psHost, unsigned short port,
126: sockaddr_t * __restrict addr);
127: /*
128: * e_addrcmp() - Compare network addresses
129: *
130: * @a = 1st address
131: * @b = 2nd address
132: * @p = compare and ports, if family is AF_INET or AF_INET6
133: * return: 0 is equal or !=0 is different
134: */
135: int e_addrcmp(sockaddr_t * __restrict a, sockaddr_t * __restrict b, int p);
1.2.2.2 misho 136: /*
137: * e_innet() - Test address match in network
138: *
139: * @net = network
140: * @addr = address
141: * return: -1 error, 0 match or 1 not match
142: */
1.2.2.3 ! misho 143: int e_innet(netaddr_t * __restrict net, inaddr_t * __restrict addr);
1.1 misho 144:
145:
146: #endif
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