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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 <gossipd/gen_gossip_store.h>
#include <gossipd/gossip_store.h>
#include <inttypes.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
int main(int argc, char *argv[])
{
int fd;
u8 version;
beint32_t belen, becsum;
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);
while (read(fd, &belen, sizeof(belen)) == sizeof(belen) &&
read(fd, &becsum, sizeof(becsum)) == sizeof(becsum)) {
struct amount_sat sat;
struct short_channel_id scid;
u8 *gossip_msg;
u32 msglen = be32_to_cpu(belen);
u8 *msg = tal_arr(NULL, u8, msglen);
if (read(fd, msg, msglen) != msglen)
errx(1, "Truncated file?");
if (be32_to_cpu(becsum) != crc32c(0, msg, msglen))
warnx("Checksum verification failed");
if (fromwire_gossip_store_channel_announcement(msg, msg,
&gossip_msg,
&sat)) {
printf("channel_announce for %s: %s\n",
type_to_string(tmpctx, struct amount_sat, &sat),
tal_hex(msg, gossip_msg));
} else if (fromwire_gossip_store_channel_update(msg, msg,
&gossip_msg)) {
printf("channel_update: %s\n",
tal_hex(msg, gossip_msg));
} else if (fromwire_gossip_store_node_announcement(msg, msg,
&gossip_msg)) {
printf("node_announcement: %s\n",
tal_hex(msg, gossip_msg));
} else if (fromwire_gossip_store_channel_delete(msg, &scid)) {
printf("channel_delete: %s\n",
type_to_string(msg, struct short_channel_id,
&scid));
} else if (fromwire_gossip_store_local_add_channel(
msg, msg, &gossip_msg)) {
printf("local_add_channel: %s\n",
tal_hex(msg, gossip_msg));
} else {
warnx("Unknown message %u", fromwire_peektype(msg));
}
tal_free(msg);
}
return 0;
}