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