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#include <ccan/crc/crc.h>
#include <ccan/err/err.h>
#include <common/type_to_string.h>
#include <common/utils.h>
#include <fcntl.h>
#include <common/gossip_store.h>
#include <gossipd/gen_gossip_peerd_wire.h>
#include <gossipd/gen_gossip_store.h>
#include <inttypes.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <wire/gen_peer_wire.h>
int main(int argc, char *argv[])
{
int fd;
u8 version;
struct gossip_hdr hdr;
size_t off;
setup_locale();
if (argc > 2)
errx(1, "Need the filename of a gossip store, or stdin");
if (argc == 2) {
fd = open(argv[1], O_RDONLY);
if (fd < 0)
err(1, "Opening %s", argv[1]);
} else
fd = STDIN_FILENO;
if (read(fd, &version, sizeof(version)) != sizeof(version))
errx(1, "Empty file");
if (version != GOSSIP_STORE_VERSION)
warnx("UNSUPPORTED GOSSIP VERSION %u (expected %u)",
version, GOSSIP_STORE_VERSION);
printf("GOSSIP VERSION %u\n", version);
off = 1;
while (read(fd, &hdr, sizeof(hdr)) == sizeof(hdr)) {
struct amount_sat sat;
u32 msglen = be32_to_cpu(hdr.len);
u8 *msg, *inner;
bool deleted = (msglen & GOSSIP_STORE_LEN_DELETED_BIT);
msglen &= ~GOSSIP_STORE_LEN_DELETED_BIT;
msg = tal_arr(NULL, u8, msglen);
if (read(fd, msg, msglen) != msglen)
errx(1, "%zu: Truncated file?", off);
if (be32_to_cpu(hdr.crc)
!= crc32c(be32_to_cpu(hdr.timestamp), msg, msglen))
warnx("Checksum verification failed");
if (deleted) {
printf("%zu: DELETED\n", off);
} else if (fromwire_gossip_store_channel_amount(msg, &sat)) {
printf("%zu: channel_amount: %s\n", off,
type_to_string(tmpctx, struct amount_sat, &sat));
} else if (fromwire_peektype(msg) == WIRE_CHANNEL_ANNOUNCEMENT) {
printf("%zu: t=%u channel_announcement: %s\n",
off, be32_to_cpu(hdr.timestamp),
tal_hex(msg, msg));
} else if (fromwire_peektype(msg) == WIRE_CHANNEL_UPDATE) {
printf("%zu: t=%u channel_update: %s\n",
off, be32_to_cpu(hdr.timestamp),
tal_hex(msg, msg));
} else if (fromwire_peektype(msg) == WIRE_NODE_ANNOUNCEMENT) {
printf("%zu: t=%u node_announcement: %s\n",
off, be32_to_cpu(hdr.timestamp),
tal_hex(msg, msg));
} else if (fromwire_peektype(msg) == WIRE_GOSSIPD_LOCAL_ADD_CHANNEL) {
printf("%zu: local_add_channel: %s\n",
off, tal_hex(msg, msg));
} else if (fromwire_gossip_store_private_update(msg, msg,
&inner)) {
printf("%zu: private channel_update: %s\n",
off, tal_hex(msg, inner));
} else {
warnx("%zu: Unknown message %u",
off, fromwire_peektype(msg));
}
off += sizeof(hdr) + msglen;
tal_free(msg);
}
return 0;
}