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#include <assert.h>
#include <bitcoin/pubkey.h>
#include <ccan/err/err.h>
#include <ccan/opt/opt.h>
#include <ccan/tal/str/str.h>
#include <ccan/time/time.h>
#include <common/json_stream.h>
#include <common/pseudorand.h>
#include <common/status.h>
#include <common/type_to_string.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include "../routing.c"
#include "../gossip_store.c"
void status_fmt(enum log_level level UNUSED,
const struct node_id *node_id,
const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vprintf(fmt, ap);
printf("\n");
va_end(ap);
}
/* AUTOGENERATED MOCKS START */
/* Generated stub for cupdate_different */
bool cupdate_different(struct gossip_store *gs UNNEEDED,
const struct half_chan *hc UNNEEDED,
const u8 *cupdate UNNEEDED)
{ fprintf(stderr, "cupdate_different called!\n"); abort(); }
/* Generated stub for fmt_wireaddr_without_port */
char *fmt_wireaddr_without_port(const tal_t *ctx UNNEEDED, const struct wireaddr *a UNNEEDED)
{ fprintf(stderr, "fmt_wireaddr_without_port called!\n"); abort(); }
/* Generated stub for fromwire_gossip_store_channel_amount */
bool fromwire_gossip_store_channel_amount(const void *p UNNEEDED, struct amount_sat *satoshis UNNEEDED)
{ fprintf(stderr, "fromwire_gossip_store_channel_amount called!\n"); abort(); }
/* Generated stub for fromwire_gossip_store_private_channel */
bool fromwire_gossip_store_private_channel(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, struct amount_sat *satoshis UNNEEDED, u8 **announcement UNNEEDED)
{ fprintf(stderr, "fromwire_gossip_store_private_channel called!\n"); abort(); }
/* Generated stub for fromwire_gossip_store_private_update */
bool fromwire_gossip_store_private_update(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, u8 **update UNNEEDED)
{ fprintf(stderr, "fromwire_gossip_store_private_update called!\n"); abort(); }
/* Generated stub for fromwire_gossipd_local_add_channel_obs */
bool fromwire_gossipd_local_add_channel_obs(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, struct node_id *remote_node_id UNNEEDED, struct amount_sat *satoshis UNNEEDED, u8 **features UNNEEDED)
{ fprintf(stderr, "fromwire_gossipd_local_add_channel_obs called!\n"); abort(); }
/* Generated stub for fromwire_wireaddr */
bool fromwire_wireaddr(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct wireaddr *addr UNNEEDED)
{ fprintf(stderr, "fromwire_wireaddr called!\n"); abort(); }
/* Generated stub for json_add_member */
void json_add_member(struct json_stream *js UNNEEDED,
const char *fieldname UNNEEDED,
bool quote UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "json_add_member called!\n"); abort(); }
/* Generated stub for json_member_direct */
char *json_member_direct(struct json_stream *js UNNEEDED,
const char *fieldname UNNEEDED, size_t extra UNNEEDED)
{ fprintf(stderr, "json_member_direct called!\n"); abort(); }
/* Generated stub for json_object_end */
void json_object_end(struct json_stream *js UNNEEDED)
{ fprintf(stderr, "json_object_end called!\n"); abort(); }
/* Generated stub for json_object_start */
void json_object_start(struct json_stream *ks UNNEEDED, const char *fieldname UNNEEDED)
{ fprintf(stderr, "json_object_start called!\n"); abort(); }
/* Generated stub for memleak_add_helper_ */
void memleak_add_helper_(const tal_t *p UNNEEDED, void (*cb)(struct htable *memtable UNNEEDED,
const tal_t *)){ }
/* Generated stub for nannounce_different */
bool nannounce_different(struct gossip_store *gs UNNEEDED,
const struct node *node UNNEEDED,
const u8 *nannounce UNNEEDED)
{ fprintf(stderr, "nannounce_different called!\n"); abort(); }
/* Generated stub for notleak_ */
void *notleak_(const void *ptr UNNEEDED, bool plus_children UNNEEDED)
{ fprintf(stderr, "notleak_ called!\n"); abort(); }
/* Generated stub for peer_supplied_good_gossip */
void peer_supplied_good_gossip(struct peer *peer UNNEEDED, size_t amount UNNEEDED)
{ fprintf(stderr, "peer_supplied_good_gossip called!\n"); abort(); }
/* Generated stub for private_channel_announcement */
const u8 *private_channel_announcement(const tal_t *ctx UNNEEDED,
const struct short_channel_id *scid UNNEEDED,
const struct node_id *local_node_id UNNEEDED,
const struct node_id *remote_node_id UNNEEDED,
const u8 *features UNNEEDED)
{ fprintf(stderr, "private_channel_announcement called!\n"); abort(); }
/* Generated stub for sanitize_error */
char *sanitize_error(const tal_t *ctx UNNEEDED, const u8 *errmsg UNNEEDED,
struct channel_id *channel_id UNNEEDED)
{ fprintf(stderr, "sanitize_error called!\n"); abort(); }
/* Generated stub for status_failed */
void status_failed(enum status_failreason code UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "status_failed called!\n"); abort(); }
/* Generated stub for towire_errorfmt */
u8 *towire_errorfmt(const tal_t *ctx UNNEEDED,
const struct channel_id *channel UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "towire_errorfmt called!\n"); abort(); }
/* Generated stub for towire_gossip_store_channel_amount */
u8 *towire_gossip_store_channel_amount(const tal_t *ctx UNNEEDED, struct amount_sat satoshis UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_channel_amount called!\n"); abort(); }
/* Generated stub for towire_gossip_store_delete_chan */
u8 *towire_gossip_store_delete_chan(const tal_t *ctx UNNEEDED, const struct short_channel_id *scid UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_delete_chan called!\n"); abort(); }
/* Generated stub for towire_gossip_store_private_channel */
u8 *towire_gossip_store_private_channel(const tal_t *ctx UNNEEDED, struct amount_sat satoshis UNNEEDED, const u8 *announcement UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_private_channel called!\n"); abort(); }
/* Generated stub for towire_gossip_store_private_update */
u8 *towire_gossip_store_private_update(const tal_t *ctx UNNEEDED, const u8 *update UNNEEDED)
{ fprintf(stderr, "towire_gossip_store_private_update called!\n"); abort(); }
/* Generated stub for update_peers_broadcast_index */
void update_peers_broadcast_index(struct list_head *peers UNNEEDED, u32 offset UNNEEDED)
{ fprintf(stderr, "update_peers_broadcast_index called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */
#if DEVELOPER
/* Generated stub for memleak_remove_htable */
void memleak_remove_htable(struct htable *memtable UNNEEDED, const struct htable *ht UNNEEDED)
{ fprintf(stderr, "memleak_remove_htable called!\n"); abort(); }
/* Generated stub for memleak_remove_intmap_ */
void memleak_remove_intmap_(struct htable *memtable UNNEEDED, const struct intmap *m UNNEEDED)
{ fprintf(stderr, "memleak_remove_intmap_ called!\n"); abort(); }
#endif
/* NOOP for new_reltimer_ */
struct oneshot *new_reltimer_(struct timers *timers UNNEEDED,
const tal_t *ctx UNNEEDED,
struct timerel expire UNNEEDED,
void (*cb)(void *) UNNEEDED, void *arg UNNEEDED)
{
return NULL;
}
/* Updates existing route if required. */
static void add_connection(struct routing_state *rstate,
const struct node_id *nodes,
u32 from, u32 to,
u32 base_fee, s32 proportional_fee,
u32 delay)
{
struct short_channel_id scid;
struct half_chan *c;
struct chan *chan;
int idx = node_id_idx(&nodes[from], &nodes[to]);
/* Encode src and dst in scid. */
memcpy((char *)&scid + idx * sizeof(from), &from, sizeof(from));
memcpy((char *)&scid + (!idx) * sizeof(to), &to, sizeof(to));
chan = get_channel(rstate, &scid);
if (!chan) {
chan = new_chan(rstate, &scid, &nodes[from], &nodes[to],
AMOUNT_SAT(1000000), NULL);
}
c = &chan->half[idx];
c->base_fee = base_fee;
c->proportional_fee = proportional_fee;
c->delay = delay;
c->channel_flags = node_id_idx(&nodes[from], &nodes[to]);
/* This must be non-zero, otherwise we consider it disabled! */
c->bcast.index = 1;
c->htlc_maximum = AMOUNT_MSAT(-1ULL);
c->htlc_minimum = AMOUNT_MSAT(0);
}
static struct node_id nodeid(size_t n)
{
struct node_id id;
struct pubkey k;
struct secret s;
memset(&s, 0xFF, sizeof(s));
memcpy(&s, &n, sizeof(n));
pubkey_from_secret(&s, &k);
node_id_from_pubkey(&id, &k);
return id;
}
static void populate_random_node(struct routing_state *rstate,
const struct node_id *nodes,
u32 n)
{
/* Create 2 random channels. */
if (n < 1)
return;
for (size_t i = 0; i < 2; i++) {
u32 randnode = pseudorand(n);
add_connection(rstate, nodes, n, randnode,
pseudorand(1000),
pseudorand(1000),
pseudorand(144));
add_connection(rstate, nodes, randnode, n,
pseudorand(1000),
pseudorand(1000),
pseudorand(144));
}
}
static void run(const char *name)
{
int status;
switch (fork()) {
case 0:
execlp(name, name, NULL);
exit(127);
case -1:
err(1, "forking %s", name);
default:
wait(&status);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
errx(1, "%s failed", name);
}
}
int main(int argc, char *argv[])
{
setup_locale();
struct routing_state *rstate;
size_t num_nodes = 100, num_runs = 1;
struct timemono start, end;
size_t route_lengths[ROUTING_MAX_HOPS+1];
struct node_id me;
struct node_id *nodes;
bool perfme = false;
const double riskfactor = 0.01 / BLOCKS_PER_YEAR / 10000;
struct siphash_seed base_seed;
secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
| SECP256K1_CONTEXT_SIGN);
setup_tmpctx();
me = nodeid(0);
rstate = new_routing_state(tmpctx, &me, NULL, NULL, NULL,
false, false);
opt_register_noarg("--perfme", opt_set_bool, &perfme,
"Run perfme-start and perfme-stop around benchmark");
opt_parse(&argc, argv, opt_log_stderr_exit);
if (argc > 1)
num_nodes = atoi(argv[1]);
if (argc > 2)
num_runs = atoi(argv[2]);
if (argc > 3)
opt_usage_and_exit("[num_nodes [num_runs]]");
printf("Creating nodes...\n");
nodes = tal_arr(rstate, struct node_id, num_nodes);
for (size_t i = 0; i < num_nodes; i++)
nodes[i] = nodeid(i);
printf("Populating nodes...\n");
memset(&base_seed, 0, sizeof(base_seed));
for (size_t i = 0; i < num_nodes; i++)
populate_random_node(rstate, nodes, i);
if (perfme)
run("perfme-start");
printf("Starting...\n");
memset(route_lengths, 0, sizeof(route_lengths));
start = time_mono();
for (size_t i = 0; i < num_runs; i++) {
const struct node_id *from = &nodes[pseudorand(num_nodes)];
const struct node_id *to = &nodes[pseudorand(num_nodes)];
struct amount_msat fee;
struct chan **route;
size_t num_hops;
route = find_route(tmpctx, rstate, from, to,
(struct amount_msat){pseudorand(100000)},
riskfactor,
0.75, &base_seed,
ROUTING_MAX_HOPS,
&fee);
num_hops = tal_count(route);
assert(num_hops < ARRAY_SIZE(route_lengths));
route_lengths[num_hops]++;
tal_free(route);
}
end = time_mono();
if (perfme)
run("perfme-stop");
printf("%zu (%zu succeeded) routes in %zu nodes in %"PRIu64" msec (%"PRIu64" nanoseconds per route)\n",
num_runs, num_runs - route_lengths[0], num_nodes,
time_to_msec(timemono_between(end, start)),
time_to_nsec(time_divide(timemono_between(end, start), num_runs)));
for (size_t i = 0; i < ARRAY_SIZE(route_lengths); i++)
if (route_lengths[i])
printf(" Length %zu: %zu\n", i, route_lengths[i]);
tal_free(tmpctx);
secp256k1_context_destroy(secp256k1_ctx);
opt_free_table();
return 0;
}