/**
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* @file re_net.h Interface to Networking module.
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*
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* Copyright (C) 2010 Creytiv.com
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*/
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#if defined(WIN32)
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#else
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#include <sys/types.h>
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#ifndef _BSD_SOCKLEN_T_
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#define _BSD_SOCKLEN_T_ int /**< Defines the BSD socket length type */
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#endif
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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/** Length of IPv4 address string */
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#ifndef INET_ADDRSTRLEN
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#define INET_ADDRSTRLEN 16
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#endif
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/** Length of IPv6 address string */
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#ifndef INET6_ADDRSTRLEN
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#define INET6_ADDRSTRLEN 46
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#endif
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/** Length of IPv4/v6 address string */
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#ifdef HAVE_INET6
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#define NET_ADDRSTRLEN INET6_ADDRSTRLEN
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#else
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#define NET_ADDRSTRLEN INET_ADDRSTRLEN
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#endif
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/* forward declarations */
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struct sa;
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/* Net generic */
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int net_hostaddr(int af, struct sa *ip);
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int net_default_source_addr_get(int af, struct sa *ip);
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int net_default_gateway_get(int af, struct sa *gw);
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/* Net sockets */
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int net_sock_init(void);
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void net_sock_close(void);
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/* Net socket options */
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int net_sockopt_blocking_set(int fd, bool blocking);
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int net_sockopt_reuse_set(int fd, bool reuse);
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/* Net interface (if.c) */
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/**
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* Defines the interface address handler - called once per interface
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*
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* @param ifname Name of the interface
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* @param sa IP address of the interface
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* @param arg Handler argument
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*
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* @return true to stop traversing, false to continue
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*/
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typedef bool (net_ifaddr_h)(const char *ifname, const struct sa *sa,
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void *arg);
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int net_if_getname(char *ifname, size_t sz, int af, const struct sa *ip);
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int net_if_getaddr(const char *ifname, int af, struct sa *ip);
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int net_if_getaddr4(const char *ifname, int af, struct sa *ip);
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int net_if_list(net_ifaddr_h *ifh, void *arg);
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int net_if_apply(net_ifaddr_h *ifh, void *arg);
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int net_if_debug(struct re_printf *pf, void *unused);
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int net_if_getlinklocal(const char *ifname, int af, struct sa *ip);
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/* Net interface (ifaddrs.c) */
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int net_getifaddrs(net_ifaddr_h *ifh, void *arg);
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/* Net route */
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/**
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* Defines the routing table handler - called once per route entry
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*
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* @param ifname Interface name
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* @param dst Destination IP address/network
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* @param dstlen Prefix length of destination
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* @param gw Gateway IP address
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* @param arg Handler argument
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*
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* @return true to stop traversing, false to continue
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*/
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typedef bool (net_rt_h)(const char *ifname, const struct sa *dst,
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int dstlen, const struct sa *gw, void *arg);
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int net_rt_list(net_rt_h *rth, void *arg);
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int net_rt_default_get(int af, char *ifname, size_t size);
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int net_rt_debug(struct re_printf *pf, void *unused);
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/* Net strings */
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const char *net_proto2name(int proto);
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const char *net_af2name(int af);
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