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shrub/v/reck.c

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/* v/reck.c
**
** This file is in the public domain.
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <setjmp.h>
#include <gmp.h>
#include <dirent.h>
#include <stdint.h>
#include <uv.h>
#include <curses.h>
#include <termios.h>
#include <term.h>
#include "all.h"
#include "f/coal.h"
#include "v/vere.h"
/* _reck_mung(): formula wrapper with gate and sample.
*/
static u2_noun
_reck_mung_in(u2_reck* rec_u, u2_noun gam)
{
u2_noun pro = u2_cn_mung(u2k(u2h(gam)), u2k(u2t(gam)));
u2z(gam); return pro;
}
static u2_noun
_reck_mung(u2_reck* rec_u, c3_w sec_w, u2_noun gat, u2_noun sam)
{
u2_noun gam = u2nc(gat, sam);
return u2_lo_soft(rec_u, 0, _reck_mung_in, gam);
}
/* u2_reck_pike(): poke with floating core.
*/
u2_noun
u2_reck_pike(u2_reck* rec_u, u2_noun ovo, u2_noun cor)
{
u2_noun fun = u2_cn_nock(cor, u2k(u2_cx_at(42, cor)));
u2_noun sam = u2nc(u2k(rec_u->now), ovo);
return _reck_mung(rec_u, 0, fun, sam);
}
/* u2_reck_nick(): transform enveloped packets, [vir cor].
*/
u2_noun
u2_reck_nick(u2_reck* rec_u, u2_noun vir, u2_noun cor)
{
if ( u2_nul == vir ) {
return u2nt(u2_blip, vir, cor);
}
else {
u2_noun i_vir = u2h(vir);
u2_noun pi_vir, qi_vir;
u2_noun vix;
if ( (u2_yes == u2_cr_cell((i_vir=u2h(vir)), &pi_vir, &qi_vir)) &&
(u2_yes == u2du(qi_vir)) &&
(c3__hear == u2h(qi_vir)) )
{
u2_noun gon;
gon = u2_reck_pike(rec_u, u2k(i_vir), cor);
if ( u2_blip != u2h(gon) ) {
u2z(vir);
return gon;
}
else {
u2_noun viz;
vix = u2k(u2h(u2t(gon)));
cor = u2k(u2t(u2t(gon)));
u2z(gon);
viz = u2_ckb_weld(vix, u2k(u2t(vir)));
u2z(vir);
return u2_reck_nick(rec_u, viz, cor);
}
}
else {
u2_noun nez = u2_reck_nick(rec_u, u2k(u2t(vir)), cor);
if ( u2_blip != u2h(nez) ) {
u2z(vir);
return nez;
} else {
u2_noun viz;
viz = u2nc(u2k(i_vir), u2k(u2h(u2t(nez))));
cor = u2k(u2t(u2t(nez)));
u2z(vir);
u2z(nez);
return u2nt(u2_blip, viz, cor);
}
}
}
}
/* _reck_spat(): spat with toy.
*/
static u2_noun
_reck_spat(u2_reck* rec_u, u2_noun pox)
{
return u2_do("spat", pox);
}
/* _reck_nock_poke(): call poke through hardcoded interface.
*/
static u2_noun
_reck_nock_poke(u2_reck* rec_u, u2_noun ovo)
{
u2_noun fun = u2_cn_nock(u2k(rec_u->roc), u2k(u2_cx_at(42, rec_u->roc)));
u2_noun sam, pro;
sam = u2nc(u2k(rec_u->now), ovo);
#if 0
{
c3_c* ovi_c = u2_cr_string(u2h(u2t(ovo)));
u2_noun tox = _reck_spat(rec_u, u2k(u2h(ovo)));
c3_c* tox_c = u2_cr_string(tox);
uL(fprintf(uH, "poke: %%%s on %s\n", ovi_c, tox_c));
free(tox_c); free(ovi_c); u2z(tox);
}
#endif
#if 0
{
c3_c* ovi_c = u2_cr_string(u2h(u2t(ovo)));
uL(fprintf(uH, "poke: %s\n", ovi_c));
free(ovi_c);
}
#endif
pro = u2_cn_mung(fun, sam);
return pro;
}
/* _reck_nock_peek(): call peek through hardcoded interface.
*/
static u2_noun
_reck_nock_peek(u2_reck* rec_u, u2_noun hap)
{
u2_noun fun = u2_cn_nock(u2k(rec_u->roc), u2k(u2_cx_at(87, rec_u->roc)));
u2_noun sam = u2nc(u2k(rec_u->now), hap);
return u2_cn_mung(fun, sam);
}
/* _reck_nock_keep(): call wait through hardcoded interface.
*/
static u2_noun
_reck_nock_keep(u2_reck* rec_u, u2_noun hap)
{
u2_noun fun = u2_cn_nock(u2k(rec_u->roc), u2k(u2_cx_at(4, rec_u->roc)));
u2_noun sam = u2nc(u2k(rec_u->now), hap);
return u2_cn_mung(fun, sam);
}
/* _reck_nock_wish(): call wish through hardcoded interface.
*/
static u2_noun
_reck_nock_wish(u2_reck* rec_u, u2_noun txt)
{
u2_noun fun = u2_cn_nock(u2k(rec_u->roc), u2k(u2_cx_at(20, rec_u->roc)));
return u2_cn_mung(fun, txt);
}
/* u2_reck_gate(): load a kernel function.
*/
u2_noun
u2_reck_gate(const c3_c* txt_c)
{
u2_noun txt = u2_ci_string(txt_c);
u2_weak gat = u2_ckd_by_get(u2k(u2_Arv->yot), u2k(txt));
if ( u2_none == gat ) {
gat = _reck_nock_wish(u2_Arv, u2k(txt));
u2_Arv->yot = u2_ckd_by_put(u2_Arv->yot, u2k(txt), u2k(gat));
}
u2z(txt);
return gat;
}
/* u2_reck_do(): use a kernel function.
*/
u2_noun
u2_reck_do(const c3_c* txt_c, u2_noun arg)
{
return u2_cn_mung(u2_reck_gate(txt_c), arg);
}
/* u2_reck_wish(): noun from expression
*/
u2_noun
u2_reck_wish(u2_reck* rec_u, c3_c* str_c)
{
return _reck_nock_wish(rec_u, u2_ci_string(str_c));
}
/* _reck_scot(): print atom.
*/
static u2_noun
_reck_scot(u2_reck* rec_u, u2_noun dim)
{
return u2_do("scot", dim);
}
/* u2_reck_time(): set the reck time.
*/
void
u2_reck_time(u2_reck* rec_u)
{
struct timeval tim_tv;
gettimeofday(&tim_tv, 0);
u2z(rec_u->now);
rec_u->now = u2_time_in_tv(&tim_tv);
u2z(rec_u->wen);
rec_u->wen = _reck_scot(rec_u, u2nc(c3__da, u2k(rec_u->now)));
}
/* u2_reck_wind(): set the reck time artificially.
*/
void
u2_reck_wind(u2_reck* rec_u, u2_noun now)
{
u2z(rec_u->now);
rec_u->now = now;
u2z(rec_u->wen);
rec_u->wen = _reck_scot(rec_u, u2nc(c3__da, u2k(rec_u->now)));
}
/* u2_reck_numb(): set the instance number.
*/
void
u2_reck_numb(u2_reck* rec_u)
{
struct timeval tp;
gettimeofday(&tp, 0);
rec_u->sev_l = 0x7fffffff &
( ((c3_w) tp.tv_sec) ^
u2_mug(0x7fffffff & ((c3_w) tp.tv_usec)) ^
u2_mug(getpid()));
u2z(rec_u->sen);
rec_u->sen = _reck_scot(rec_u, u2nc(c3__uv, rec_u->sev_l));
}
#if 0
/* _reck_time_bump(): advance the reck time by a small increment.
*/
static void
_reck_time_bump(u2_reck* rec_u)
{
c3_d bum_d = (1ULL << 48ULL);
rec_u->now = u2_cka_add(rec_u->now, u2_ci_chubs(1, &bum_d));
}
#endif
/* u2_reck_peek(): query the reck namespace (protected).
*/
u2_noun
u2_reck_peek(u2_reck* rec_u, u2_noun hap)
{
return _reck_nock_peek(rec_u, hap);
}
/* u2_reck_keep(): measure timer.
*/
u2_noun
u2_reck_keep(u2_reck* rec_u, u2_noun hap)
{
return _reck_nock_keep(rec_u, hap);
}
/* u2_reck_cold(): load full arvo with vanes, from new solid state.
*/
void
u2_reck_cold(u2_reck* rec_u, c3_w kno_w)
{
memset(rec_u, 0, sizeof(*rec_u));
rec_u->kno_w = kno_w;
rec_u->rno_w = 0;
rec_u->ent_d = 1;
rec_u->own = 0;
rec_u->now = 0;
rec_u->wen = 0;
rec_u->sen = 0;
rec_u->roe = 0;
rec_u->key = 0;
rec_u->yot = 0;
{
u2_noun pot, eng;
c3_c ful_c[2048];
if ( u2_yes == u2_Host.ops_u.nuu ) {
snprintf(ful_c, 2048, "%s/urbit.pill", U2_LIB);
} else {
snprintf(ful_c, 2048, "%s/.urb/urbit.pill", u2_Host.cpu_c);
}
printf("loading %s\n", ful_c);
if ( 0 == (pot = u2_walk_load(ful_c)) ) {
perror(ful_c);
exit(1);
}
// Copy into basket to propitiate jet gods.
{
u2_rail bas_r = u2_wire_bas_r(u2_Wire);
u2_noun tup;
tup = u2_cke_cue(pot);
eng = u2_rx(bas_r, tup);
u2z(tup);
}
rec_u->ken = u2h(eng);
rec_u->roc = u2t(eng);
// Execute from kernel to propitiate jet gods.
{
u2_noun fak;
fak = u2_cn_nock(0, rec_u->ken);
u2z(fak);
}
}
// Gates called deep when memory is wrapped.
{
u2z(u2_reck_gate("wash"));
u2z(u2_reck_gate("mook"));
}
u2_reck_time(rec_u);
u2_reck_numb(rec_u);
{
c3_c* dyt_c = u2_cr_string(rec_u->wen);
printf("time: %s\n", dyt_c);
free(dyt_c);
}
}
/* _reck_mole(): parse simple atomic mole.
*/
static u2_bean
_reck_mole(u2_reck* rec_u,
u2_noun fot,
u2_noun san,
c3_d* ato_d)
{
u2_noun uco = u2_do("slay", san);
u2_noun p_uco, q_uco, r_uco, s_uco;
if ( (u2_no == u2_cr_qual(uco, &p_uco, &q_uco, &r_uco, &s_uco)) ||
(0 != p_uco) ||
(0 != q_uco) ||
(u2_no == u2_sing(fot, r_uco)) )
{
uL(fprintf(uH, "strange mole %s\n", u2_cr_string(san)));
u2z(fot); u2z(uco); return u2_no;
}
else {
*ato_d = u2_cr_chub(0, s_uco);
u2z(fot); u2z(uco); return u2_yes;
}
}
/* _reck_lily(): parse little atom.
*/
static u2_bean
_reck_lily(u2_reck* rec_u, u2_noun fot, u2_noun txt, c3_l* tid_l)
{
c3_d ato_d;
if ( u2_no == _reck_mole(rec_u, fot, txt, &ato_d) ) {
return u2_no;
} else {
if ( ato_d >= 0x80000000ULL ) {
return u2_no;
} else {
*tid_l = (c3_l) ato_d;
return u2_yes;
}
}
}
/* _reck_kick_term(): apply terminal outputs.
*/
static u2_bean
_reck_kick_term(u2_reck* rec_u, u2_noun pox, c3_l tid_l, u2_noun fav)
{
u2_noun p_fav;
if ( u2_no == u2du(fav) ) {
u2z(pox); u2z(fav); return u2_no;
}
else switch ( u2h(fav) ) {
default: u2z(pox); u2z(fav); return u2_no;
case c3__bbye:
{
u2_reck_sync(rec_u);
// u2_reck_plan(rec_u, pox, u2nc(c3__helo, u2_nul));
u2z(pox); u2z(fav); return u2_yes;
} break;
case c3__blit: p_fav = u2t(fav);
{
u2_term_ef_blit(tid_l, u2k(p_fav));
u2z(pox); u2z(fav); return u2_yes;
} break;
case c3__logo:
{
u2_Host.liv = u2_no;
u2_Host.xit_i = u2t(fav);
u2z(pox); u2z(fav); return u2_yes;
} break;
case c3__init: p_fav = u2t(fav);
{
rec_u->own = u2nc(u2k(p_fav), rec_u->own);
u2_unix_ef_init(u2k(p_fav));
// uL(fprintf(uH, "kick: init: %d\n", p_fav));
u2z(pox); u2z(fav); return u2_yes;
} break;
case c3__send: {
u2_noun lan = u2k(u2h(u2t(fav)));
u2_noun pac = u2k(u2t(u2t(fav)));
u2_ames_ef_send(lan, pac);
u2z(pox); u2z(fav); return u2_yes;
} break;
}
c3_assert(!"not reached"); return 0;
}
/* _reck_kick_http(): apply http effects.
*/
static u2_bean
_reck_kick_http(u2_reck* rec_u,
u2_noun pox,
c3_l sev_l,
c3_l coq_l,
c3_l seq_l,
u2_noun fav)
{
u2_noun p_fav, q_fav;
if ( u2_no == u2du(fav) ) {
u2z(pox); u2z(fav); return u2_no;
}
else switch ( u2h(fav) ) {
default: u2z(pox); u2z(fav); return u2_no;
case c3__thus: p_fav = u2h(u2t(fav)); q_fav = u2t(u2t(fav));
{
u2_cttp_ef_thus(u2_cr_word(0, p_fav), u2k(q_fav));
u2z(pox); u2z(fav);
return u2_yes;
}
case c3__thou: p_fav = u2t(fav);
{
u2_http_ef_thou(sev_l, coq_l, seq_l, u2k(p_fav));
u2z(pox); u2z(fav);
return u2_yes;
} break;
}
c3_assert(!"not reached"); return u2_no;
}
/* _reck_kick_sync(): apply sync outputs.
*/
static u2_bean
_reck_kick_sync(u2_reck* rec_u, u2_noun pox, u2_noun fav)
{
switch ( u2h(fav) ) {
default: break;
case c3__ergo: {
u2_noun who = u2k(u2h(u2t(fav)));
u2_noun syd = u2k(u2h(u2t(u2t(fav))));
u2_noun rel = u2k(u2t(u2t(u2t(fav))));
u2_unix_ef_ergo(who, syd, rel);
u2z(pox); u2z(fav); return u2_yes;
} break;
}
// XX obviously not right!
//
u2z(pox); u2z(fav); return u2_no;
}
static u2_bean
_reck_kick_newt(u2_reck* rec_u, u2_noun pox, u2_noun fav)
{
u2_noun p_fav;
switch ( u2h(fav) ) {
default: break;
case c3__send: {
u2_noun lan = u2k(u2h(u2t(fav)));
u2_noun pac = u2k(u2t(u2t(fav)));
u2_ames_ef_send(lan, pac);
u2z(pox); u2z(fav); return u2_yes;
} break;
}
u2z(pox); u2z(fav); return u2_no;
}
/* _reck_kick_ames(): apply packet network outputs.
*/
static u2_bean
_reck_kick_ames(u2_reck* rec_u, u2_noun pox, u2_noun fav)
{
u2_noun p_fav;
switch ( u2h(fav) ) {
default: break;
case c3__init: p_fav = u2t(fav);
{
rec_u->own = u2nc(u2k(p_fav), rec_u->own);
u2_unix_ef_init(u2k(p_fav));
// uL(fprintf(uH, "kick: init: %d\n", p_fav));
u2z(pox); u2z(fav); return u2_yes;
} break;
}
u2z(pox); u2z(fav); return u2_no;
}
/* _reck_kick_spec(): apply an effect, by path.
*/
static u2_bean
_reck_kick_spec(u2_reck* rec_u, u2_noun pox, u2_noun fav)
{
u2_noun i_pox, t_pox;
if ( (u2_no == u2_cr_cell(pox, &i_pox, &t_pox)) ||
((i_pox != u2_blip) &&
(i_pox != c3__gold) &&
(i_pox != c3__iron) &&
(i_pox != c3__lead)) )
{
u2z(pox); u2z(fav); return u2_no;
} else {
u2_noun it_pox, tt_pox;
if ( (u2_no == u2_cr_cell(t_pox, &it_pox, &tt_pox)) ) {
u2z(pox); u2z(fav); return u2_no;
}
else switch ( it_pox ) {
default: return u2_no;
case c3__http: {
u2_noun pud = tt_pox;
u2_noun p_pud, t_pud, tt_pud, q_pud, r_pud, s_pud;
c3_l sev_l, coq_l, seq_l;
if ( (u2_no == u2_cr_cell(pud, &p_pud, &t_pud)) ||
(u2_no == _reck_lily(rec_u, c3__uv, u2k(p_pud), &sev_l)) )
{
u2z(pox); u2z(fav); return u2_no;
}
if ( u2_nul == t_pud ) {
coq_l = seq_l = 0;
}
else {
if ( (u2_no == u2_cr_cell(t_pud, &q_pud, &tt_pud)) ||
(u2_no == _reck_lily(rec_u, c3__ud, u2k(q_pud), &coq_l)) )
{
u2z(pox); u2z(fav); return u2_no;
}
if ( u2_nul == tt_pud ) {
seq_l = 0;
} else {
if ( (u2_no == u2_cr_cell(tt_pud, &r_pud, &s_pud)) ||
(u2_nul != s_pud) ||
(u2_no == _reck_lily(rec_u, c3__ud, u2k(r_pud), &seq_l)) )
{
u2z(pox); u2z(fav); return u2_no;
}
}
}
return _reck_kick_http(rec_u, pox, sev_l, coq_l, seq_l, fav);
} break;
case c3__clay:
case c3__sync: {
return _reck_kick_sync(rec_u, pox, fav);
} break;
case c3__newt: {
return _reck_kick_newt(rec_u, pox, fav);
} break;
case c3__ames: {
if ( (u2_nul != tt_pox) ) {
u2z(pox); u2z(fav); return u2_no;
}
else {
return _reck_kick_ames(rec_u, pox, fav);
}
} break;
case c3__term: {
u2_noun pud = tt_pox;
u2_noun p_pud, q_pud;
c3_l tid_l;
if ( (u2_no == u2_cr_cell(pud, &p_pud, &q_pud)) ||
(u2_nul != q_pud) ||
(u2_no == _reck_lily(rec_u, c3__ud, u2k(p_pud), &tid_l)) )
{
uL(fprintf(uH, "term: bad tire\n"));
u2z(pox); u2z(fav); return u2_no;
} else {
return _reck_kick_term(rec_u, pox, tid_l, fav);
}
} break;
}
}
c3_assert(!"not reached");
return u2_no;
}
/* _reck_kick_norm(): non path-specific effect handling.
*/
static u2_bean
_reck_kick_norm(u2_reck* rec_u, u2_noun pox, u2_noun fav)
{
if ( u2_no == u2du(fav) ) {
u2z(pox); u2z(fav); return u2_no;
}
else switch ( u2h(fav) ) {
default: u2z(pox); u2z(fav); return u2_no;
case c3__vega:
{
// uL(fprintf(uH, "reset\n"));
u2z(pox); u2z(fav);
// u2_ds_wipe(u2_Wire); // doesn't work
return u2_yes;
}
case c3__exit:
{
uL(fprintf(uH, "<<<goodbye>>>\n"));
u2_lo_bail(rec_u);
u2z(pox); u2z(fav); return u2_yes;
} break;
case c3__send:
{
u2_noun lan = u2k(u2h(u2t(fav)));
u2_noun pac = u2k(u2t(u2t(fav)));
u2_ames_ef_send(lan, pac);
u2z(pox); u2z(fav); return u2_yes;
} break;
}
c3_assert(!"not reached"); return u2_no;
u2z(pox); u2z(fav); return u2_no;
}
/* u2_reck_kick(): handle effect.
*/
void
u2_reck_kick(u2_reck* rec_u, u2_noun ovo)
{
if ( (u2_no == _reck_kick_spec(rec_u, u2k(u2h(ovo)), u2k(u2t(ovo)))) &&
(u2_no == _reck_kick_norm(rec_u, u2k(u2h(ovo)), u2k(u2t(ovo)))) )
{
u2_noun tox = _reck_spat(rec_u, u2k(u2h(ovo)));
#if 0
if ( (c3__warn != u2h(u2t(ovo))) &&
(c3__text != u2h(u2t(ovo))) &&
(c3__note != u2h(u2t(ovo))) )
#endif
#if 1
if ( (c3__crud == u2h(u2t(ovo))) )
#if 0
(c3__talk == u2h(u2t(ovo))) ||
(c3__helo == u2h(u2t(ovo))) ||
(c3__init == u2h(u2t(ovo))) )
#endif
{
u2_reck_plan(rec_u, u2nt(u2_blip, c3__term, u2_nul),
u2nc(c3__flog, u2k(u2t(ovo))));
}
else {
uL(fprintf(uH, "kick: lost %%%s on %s\n",
u2_cr_string(u2h(u2t(ovo))),
u2_cr_string(tox)));
#if 0
if ( c3__hear == u2h(u2t(ovo)) ) {
c3_assert(0);
}
#endif
}
#endif
u2z(tox);
}
u2z(ovo);
}
/* u2_reck_poke(): insert and apply an input ovum (protected).
*/
u2_noun
u2_reck_poke(u2_reck* rec_u, u2_noun ovo)
{
return _reck_nock_poke(rec_u, ovo);
}
/* u2_reck_sync(): poll and apply sync events (protected).
*/
void
u2_reck_sync(u2_reck* rec_u)
{
#if 0
u2_reck_plow(rec_u, u2_sync_reck(rec_u));
#endif
}
/* u2_reck_boot(): boot the reck engine (unprotected).
*/
void
u2_reck_boot(u2_reck* rec_u)
{
u2_noun hoe;
memset(rec_u, 0, sizeof *rec_u);
if ( 0 != (hoe = u2_cm_trap()) ) {
u2_cm_purge();
u2_lo_sway(2, u2_ckb_flop(u2k(u2t(hoe))));
u2z(hoe);
exit(1);
}
else {
u2_reck_cold(rec_u, u2_Host.kno_w);
u2_cm_done();
u2_cm_purge();
}
}
/* u2_reck_http_request(): hear http request on channel (unprotected).
*/
void
u2_reck_http_request(u2_reck* rec_u, u2_bean sec, u2_noun pox, u2_noun req)
{
// uL(fprintf(uH, "http: request\n"));
u2_reck_plan(rec_u, pox, u2nq(c3__this, sec, 0, req));
}
/* u2_reck_prick(): query the reck namespace (unprotected).
*/
u2_noun
u2_reck_prick(u2_reck* rec_u, u2_noun hap)
{
u2_noun hoe;
u2_noun que;
if ( 0 != (hoe = u2_cm_trap()) ) {
u2_cm_purge();
u2_lo_sway(2, u2_ckb_flop(u2k(u2t(hoe))));
u2z(hoe);
return u2_nul;
}
else {
que = u2_reck_peek(rec_u, hap);
u2_cm_done();
u2_cm_purge();
}
return que;
}
/* u2_reck_plan(): queue ovum (external).
*/
void
u2_reck_plan(u2_reck* rec_u,
u2_noun pax,
u2_noun fav)
{
if ( u2_raty_lead == u2R->typ_e ) {
u2_noun egg = u2nc(pax, fav);
rec_u->roe = u2nc(u2nc(u2_nul, egg), rec_u->roe);
}
else {
c3_c* hed_c = u2_cr_string(u2h(u2t(pax)));
uL(fprintf(uH, "reck: dropping roe from %s\n", hed_c));
free(hed_c);
u2z(pax); u2z(fav);
}
}
/* u2_reck_plow(): queue multiple ova (external).
*/
void
u2_reck_plow(u2_reck* rec_u, u2_noun ova)
{
u2_noun ovi = ova;
while ( u2_nul != ovi ) {
u2_noun ovo=u2h(ovi);
u2_reck_plan(rec_u, u2k(u2h(ovo)), u2k(u2t(ovo)));
ovi = u2t(ovi);
}
u2z(ova);
}
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