/*
* This callback responds to PMTU requests, too. It
* returns 0 only for teardowns.
*/
int keepalive_cb(struct tunsess *tun)
{
if (!ts_verify_packet(tun))
return 0;
switch (P_TYPE(tun->inbuf)) {
case PACKET_KEEPALIVE:
debug("received KEEPALIVE\n");
break;
case PACKET_PMTUD:
debug("received PMTUD with size %d\n", tun->inlen);
ts_compose_packet(tun, PACKET_PMTUD_ACK, "w", tun->inlen);
ts_send_packet(tun);
debug("sent PMTUD ACK\n");
break;
case PACKET_PMTUD_ACK:
debug("received PMTUD ACK\n");
break;
case PACKET_ERROR:
debug("received teardown request\n");
return 0;
break;
default:
debug("received unexpected packet of size %d\n", tun->inlen);
dump_packet(tun->inbuf, tun->inlen);
}
return -1;
}
int tunnel_cb(struct tunsess *tun)
{
if (P_TYPE(tun->inbuf) == PACKET_TUNNEL) {
tun->remote_tunid = ntohl(*(uint32_t *)P_DATA(tun->inbuf));
debug("received TUNNEL. Remote tunnel ID is %d.\n", tun->remote_tunid);
return 0;
} else
return -1;
}
int cookie_cb(struct tunsess *tun)
{
if (P_TYPE(tun->inbuf) == PACKET_COOKIE) {
debug("received COOKIE 0x%16lx\n", *(uint64_t *)P_DATA(tun->inbuf));
memcpy(tun->cookie, P_DATA(tun->inbuf), 8);
tun->cookie[8] = 0;
return 0;
} else {
return -1;
}
}
.dt = 0.008, .verbosity = 5,
.gconst = 0,
.algorithm = strdup("none"),
.thread_schedule_mode = strdup("SCHED_RR"),
.custom_sprite_png = NULL,
.step_back_buffer = 0,
/* Physics - ctrl */
.dump_xyz = 0,
.xyz_temp = strdup("system_%0.2Lf.xyz"),
};
/* Default settings. */
/* Register parser options */
struct parser_map opts_map[] = {
{"threads", P_TYPE(option->threads) },
{"dt", P_TYPE(option->dt) },
{"final_frame", P_TYPE(option->final_frame) },
{"rng_seed", P_TYPE(option->rng_seed) },
{"gconst", P_TYPE(option->gconst) },
{"verbosity", P_TYPE(option->verbosity) },
{"step_back_buffer", P_TYPE(option->step_back_buffer) },
{"dump_xyz", P_TYPE(option->dump_xyz) },
{"exec_funct_freq", P_TYPE(option->exec_funct_freq) },
{"default_draw_mode", P_TYPE(option->default_draw_mode) },
{"lua_gc_sweep_freq", P_TYPE(option->lua_gc_sweep_freq) },
{"skip_model_vec", P_TYPE(option->skip_model_vec) },
{"algorithm", P_TYPE(option->algorithm) },
{"spawn_funct", P_TYPE(option->spawn_funct) },
{"timestep_funct", P_TYPE(option->timestep_funct) },
{"file_template", P_TYPE(option->xyz_temp) },
