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Annotation of libelwix/inc/elwix/anet.h, revision 1.2.2.1

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 $
1.2.2.1 ! misho       6: * $Id: anet.h,v 1.2 2013/05/30 09:07:33 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: 
1.2.2.1 ! misho      65: #define E_CIDRMASK(x)  ((((1 << (x)) - 1) << (32 - (x))) & 0xFFFFFFFF)
        !            66: 
1.1       misho      67: 
                     68: /*
                     69:  * e_usleep() - usleep() replacement for ELWIX
                     70:  *
                     71:  * @usec = microseconds for sleep
                     72:  * return: -1 interrupted by signal or 0 ok
                     73:  */
1.2       misho      74: int e_usleep(unsigned int usec);
1.1       misho      75: /*
                     76:  * e_ether_ntoa() - Convert ethernet address to string
                     77:  *
                     78:  * @n = ethernet address structure, like struct ether_addr
                     79:  * @a = string
                     80:  * @len = string length
                     81:  * return: NULL error or !=NULL string a
                     82:  */
1.2       misho      83: char *e_ether_ntoa(const struct e_ether_addr *n, char * __restrict a, int len);
1.1       misho      84: /*
                     85:  * e_ether_aton() - Convert string to ethernet address
                     86:  *
                     87:  * @a = string
                     88:  * @e = ethernet address structure, like struct ether_addr
                     89:  * return: NULL error or !=NULL ethernet address structure
                     90:  */
1.2       misho      91: struct e_ether_addr *e_ether_aton(const char *a, struct e_ether_addr *e);
1.1       misho      92: /*
                     93:  * e_n2port() - Extract port from network structure
                     94:  *
                     95:  * @addr = Address
                     96:  * return: 0 not supported family type or port number
                     97:  */
1.2       misho      98: unsigned short e_n2port(sockaddr_t * __restrict addr);
1.1       misho      99: /*
                    100:  * e_n2addr() - Extract address from network structure
                    101:  *
                    102:  * @addr = Address
                    103:  * @val = Value for store string address
                    104:  * return: NULL error or !=NULL string address from val
                    105:  */
                    106: const char *e_n2addr(sockaddr_t * __restrict addr, ait_val_t * __restrict val);
                    107: /*
                    108:  * e_gethostbyname() - Get host and port and make network structure
                    109:  *
                    110:  * @psHost = Hostname
                    111:  * @port = Port
                    112:  * @addr = Network address structure
                    113:  * return: NULL error or !=NULL network structure
                    114:  */
                    115: sockaddr_t *e_gethostbyname(const char *psHost, unsigned short port, 
                    116:                sockaddr_t * __restrict addr);
                    117: /*
                    118:  * e_addrcmp() - Compare network addresses
                    119:  *
                    120:  * @a = 1st address
                    121:  * @b = 2nd address
                    122:  * @p = compare and ports, if family is AF_INET or AF_INET6
                    123:  * return: 0 is equal or !=0 is different
                    124:  */
                    125: int e_addrcmp(sockaddr_t * __restrict a, sockaddr_t * __restrict b, int p);
                    126: 
                    127: 
                    128: #endif