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dcf2916dcb
Allowed me to sanity check the next patch. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
#include "config.h"
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#include <ccan/crc32c/crc32c.h>
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#include <ccan/err/err.h>
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#include <ccan/opt/opt.h>
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#include <common/gossip_store.h>
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#include <common/type_to_string.h>
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#include <fcntl.h>
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#include <gossipd/gossip_store_wiregen.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <wire/peer_wire.h>
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int main(int argc, char *argv[])
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{
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int fd;
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u8 version;
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struct gossip_hdr hdr;
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size_t off;
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bool print_deleted = false;
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bool print_timestamp = false;
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setup_locale();
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opt_register_noarg("--print-deleted", opt_set_bool, &print_deleted,
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"Print deleted entries too");
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opt_register_noarg("--print-timestamps", opt_set_bool, &print_timestamp,
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"Print timestamp with entries");
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opt_register_noarg("--help|-h", opt_usage_and_exit,
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"[<gossip_store>]"
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"Dump all gossip messages in the store",
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"Print this message.");
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opt_parse(&argc, argv, opt_log_stderr_exit);
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if (argc > 2)
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opt_usage_and_exit("Too many arguments");
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if (argc == 2) {
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fd = open(argv[1], O_RDONLY);
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if (fd < 0)
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err(1, "Opening %s", argv[1]);
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} else
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fd = STDIN_FILENO;
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if (read(fd, &version, sizeof(version)) != sizeof(version))
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errx(1, "Empty file");
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if (version != GOSSIP_STORE_VERSION)
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warnx("UNSUPPORTED GOSSIP VERSION %u (expected %u)",
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version, GOSSIP_STORE_VERSION);
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printf("GOSSIP VERSION %u\n", version);
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off = 1;
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while (read(fd, &hdr, sizeof(hdr)) == sizeof(hdr)) {
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struct amount_sat sat;
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struct short_channel_id scid;
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u32 msglen = be32_to_cpu(hdr.len);
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u8 *msg, *inner;
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bool deleted, push, ratelimit;
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deleted = (msglen & GOSSIP_STORE_LEN_DELETED_BIT);
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push = (msglen & GOSSIP_STORE_LEN_PUSH_BIT);
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ratelimit = (msglen & GOSSIP_STORE_LEN_RATELIMIT_BIT);
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msglen &= GOSSIP_STORE_LEN_MASK;
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msg = tal_arr(NULL, u8, msglen);
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if (read(fd, msg, msglen) != msglen)
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errx(1, "%zu: Truncated file?", off);
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if (be32_to_cpu(hdr.crc)
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!= crc32c(be32_to_cpu(hdr.timestamp), msg, msglen))
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warnx("Checksum verification failed");
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printf("%zu: %s%s%s", off,
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deleted ? "DELETED " : "",
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push ? "PUSH " : "",
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ratelimit ? "RATE-LIMITED " : "");
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if (print_timestamp)
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printf("T=%u ", be32_to_cpu(hdr.timestamp));
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if (deleted && !print_deleted) {
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printf("\n");
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goto end;
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}
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if (fromwire_gossip_store_channel_amount(msg, &sat)) {
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printf("channel_amount: %s\n",
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type_to_string(tmpctx, struct amount_sat, &sat));
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} else if (fromwire_peektype(msg) == WIRE_CHANNEL_ANNOUNCEMENT) {
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printf("t=%u channel_announcement: %s\n",
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be32_to_cpu(hdr.timestamp),
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tal_hex(msg, msg));
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} else if (fromwire_peektype(msg) == WIRE_CHANNEL_UPDATE) {
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printf("t=%u channel_update: %s\n",
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be32_to_cpu(hdr.timestamp),
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tal_hex(msg, msg));
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} else if (fromwire_peektype(msg) == WIRE_NODE_ANNOUNCEMENT) {
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printf("t=%u node_announcement: %s\n",
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be32_to_cpu(hdr.timestamp),
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tal_hex(msg, msg));
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} else if (fromwire_gossip_store_private_channel(msg, msg, &sat,
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&inner)) {
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printf("private channel_announcement: %s %s\n",
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type_to_string(tmpctx, struct amount_sat, &sat),
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tal_hex(msg, inner));
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} else if (fromwire_gossip_store_private_update(msg, msg,
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&inner)) {
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printf("private channel_update: %s\n",
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tal_hex(msg, inner));
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} else if (fromwire_gossip_store_delete_chan(msg, &scid)) {
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printf("delete channel: %s\n",
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type_to_string(tmpctx, struct short_channel_id,
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&scid));
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} else {
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warnx("Unknown message %u",
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fromwire_peektype(msg));
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}
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end:
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off += sizeof(hdr) + msglen;
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tal_free(msg);
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}
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return 0;
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}
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