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97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
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*
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* Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __IP_ADDR_H__
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#define __IP_ADDR_H__
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#include "c_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ipv4_addr {
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uint32 addr;
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};
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typedef struct ipv4_addr ipv4_addr_t;
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struct ip_info {
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struct ipv4_addr ip;
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struct ipv4_addr netmask;
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struct ipv4_addr gw;
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};
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/**
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* Determine if two address are on the same network.
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*
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* @arg addr1 IP address 1
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* @arg addr2 IP address 2
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* @arg mask network identifier mask
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* @return !0 if the network identifiers of both address match
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*/
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#define ipv4_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
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(mask)->addr) == \
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((addr2)->addr & \
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(mask)->addr))
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/** Set an IP address given by the four byte-parts.
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Little-endian version that prevents the use of htonl. */
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#define IP4_ADDR(ipaddr, a,b,c,d) \
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(ipaddr)->addr = ((uint32)((d) & 0xff) << 24) | \
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((uint32)((c) & 0xff) << 16) | \
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((uint32)((b) & 0xff) << 8) | \
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(uint32)((a) & 0xff)
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#define ipv4_addr1(ipaddr) (((uint8*)(ipaddr))[0])
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#define ipv4_addr2(ipaddr) (((uint8*)(ipaddr))[1])
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#define ipv4_addr3(ipaddr) (((uint8*)(ipaddr))[2])
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#define ipv4_addr4(ipaddr) (((uint8*)(ipaddr))[3])
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#define ipv4_addr1_16(ipaddr) ((uint16)ipv4_addr1(ipaddr))
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#define ipv4_addr2_16(ipaddr) ((uint16)ipv4_addr2(ipaddr))
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#define ipv4_addr3_16(ipaddr) ((uint16)ipv4_addr3(ipaddr))
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#define ipv4_addr4_16(ipaddr) ((uint16)ipv4_addr4(ipaddr))
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/** 255.255.255.255 */
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#define IPADDR_NONE ((uint32)0xffffffffUL)
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/** 0.0.0.0 */
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#define IPADDR_ANY ((uint32)0x00000000UL)
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uint32 ipaddr_addr(const char *cp);
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#define IP2STR(ipaddr) ipv4_addr1_16(ipaddr), \
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ipv4_addr2_16(ipaddr), \
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ipv4_addr3_16(ipaddr), \
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ipv4_addr4_16(ipaddr)
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#define IPSTR "%d.%d.%d.%d"
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#ifdef __cplusplus
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}
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#endif
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#endif /* __IP_ADDR_H__ */
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