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#include <arpa/inet.h>
#include <ccan/tal/str/str.h>
#include <common/type_to_string.h>
#include <common/utils.h>
#include <common/wireaddr.h>
#include <wire/wire.h>
/* Returns false if we didn't parse it, and *cursor == NULL if malformed. */
bool fromwire_wireaddr(const u8 **cursor, size_t *max, struct wireaddr *addr)
{
addr->type = fromwire_u8(cursor, max);
switch (addr->type) {
case ADDR_TYPE_IPV4:
addr->addrlen = 4;
break;
case ADDR_TYPE_IPV6:
addr->addrlen = 16;
break;
default:
return false;
}
fromwire(cursor, max, addr->addr, addr->addrlen);
addr->port = fromwire_u16(cursor, max);
return *cursor != NULL;
}
void towire_wireaddr(u8 **pptr, const struct wireaddr *addr)
{
if (!addr || addr->type == ADDR_TYPE_PADDING) {
towire_u8(pptr, ADDR_TYPE_PADDING);
return;
}
towire_u8(pptr, addr->type);
towire(pptr, addr->addr, addr->addrlen);
towire_u16(pptr, addr->port);
}
static char *fmt_wireaddr(const tal_t *ctx, const struct wireaddr *a)
{
char addrstr[INET6_ADDRSTRLEN];
char *ret, *hex;
switch (a->type) {
case ADDR_TYPE_IPV4:
if (!inet_ntop(AF_INET, a->addr, addrstr, INET_ADDRSTRLEN))
return "Unprintable-ipv4-address";
return tal_fmt(ctx, "%s:%u", addrstr, a->port);
case ADDR_TYPE_IPV6:
if (!inet_ntop(AF_INET6, a->addr, addrstr, INET6_ADDRSTRLEN))
return "Unprintable-ipv6-address";
return tal_fmt(ctx, "%s:%u", addrstr, a->port);
case ADDR_TYPE_PADDING:
break;
}
hex = tal_hexstr(ctx, a->addr, a->addrlen);
ret = tal_fmt(ctx, "Unknown type %u %s:%u", a->type, hex, a->port);
tal_free(hex);
return ret;
}
REGISTER_TYPE_TO_STRING(wireaddr, fmt_wireaddr);