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daemon: netaddr

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Structure for a net address.  We can expand it later to cover exotic
address types (Tor?).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-01-22 06:41:48 +10:30
parent 469401610f
commit e4224f72d4
5 changed files with 78 additions and 36 deletions
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29
daemon/netaddr.h Normal file
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#ifndef LIGHTNING_DAEMON_NETADDR_H
#define LIGHTNING_DAEMON_NETADDR_H
#include "config.h"
#include <ccan/tal/tal.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <sys/socket.h>
struct addrinfo;
/* This can be extended to support other protocols in future. */
struct netaddr {
int type; /* See socket(2): SOCK_STREAM currently */
int protocol; /* See socket(2): 0 currently */
socklen_t addrlen;
union {
struct sockaddr s;
struct sockaddr_in ipv4;
struct sockaddr_in6 ipv6;
} saddr;
};
/* Get the name for this netaddr. */
char *netaddr_name(const tal_t *ctx, const struct netaddr *a);
/* Create a addrinfo (as wanted by io_connect) for this address. */
void netaddr_to_addrinfo(struct addrinfo *ai, const struct netaddr *a);
#endif /* LIGHTNING_DAEMON_NETADDR_H */