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vere: adds dedicated replay command: play

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This commit is contained in:
Joe Bryan 2022-12-14 02:43:11 -05:00
parent 67ef11117f
commit 82d5738df4
1 changed files with 111 additions and 0 deletions
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111
pkg/urbit/daemon/main.c
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@ -9,6 +9,7 @@
#include "rsignal.h"
#include <vere/serf.h>
#include "vere/vere.h"
#include "vere/mars.h"
#if !defined(U3_OS_mingw)
#include <sigsegv.h>
#endif
@ -649,6 +650,7 @@ _cw_usage(c3_c* bin_c)
" %s info %.*s print pier info:\n",
" %s meld %.*s deduplicate snapshot:\n",
" %s pack %.*s defragment snapshot:\n",
" %s play %.*s recompute events:\n",
" %s prep %.*s prepare for upgrade:\n",
" %s next %.*s request upgrade:\n",
" %s queu %.*s<at-event> cue state:\n",
@ -1768,6 +1770,113 @@ _cw_pack(c3_i argc, c3_c* argv[])
u3m_stop();
}
/* _cw_play_slog(): print during replay.
*/
static void
_cw_play_slog(u3_noun hod)
{
u3_pier_tank(0, 0, u3k(u3t(hod)));
u3z(hod);
}
/* _cw_play(): replay events, but better.
*/
static void
_cw_play(c3_i argc, c3_c* argv[])
{
c3_i ch_i, lid_i;
c3_w arg_w;
static struct option lop_u[] = {
{ "loom", required_argument, NULL, c3__loom },
{ "no-demand", no_argument, NULL, 6 },
{ "replay-to", required_argument, NULL, 'n' },
{ NULL, 0, NULL, 0 }
};
u3_Host.dir_c = _main_pier_run(argv[0]);
while ( -1 != (ch_i=getopt_long(argc, argv, "n:", lop_u, &lid_i)) ) {
switch ( ch_i ) {
case 6: { // no-demand
u3_Host.ops_u.map = c3n;
u3C.wag_w |= u3o_no_demand;
} break;
case c3__loom: {
c3_w lom_w;
c3_o res_o = _main_readw(optarg, u3a_bits + 3, &lom_w);
if ( (c3n == res_o) || (lom_w < 20) ) {
fprintf(stderr, "error: --loom must be >= 20 and <= %u\r\n", u3a_bits + 2);
exit(1);
}
u3_Host.ops_u.lom_y = lom_w;
} break;
case 'n': {
u3_Host.ops_u.til_c = strdup(optarg);
break;
}
case '?': {
fprintf(stderr, "invalid argument\r\n");
exit(1);
} break;
}
}
// argv[optind] is always "play"
//
if ( !u3_Host.dir_c ) {
if ( optind + 1 < argc ) {
u3_Host.dir_c = argv[optind + 1];
}
else {
fprintf(stderr, "invalid command, pier required\r\n");
exit(1);
}
optind++;
}
if ( optind + 1 != argc ) {
fprintf(stderr, "invalid command\r\n");
exit(1);
}
// XX handle SIGTSTP so that the lockfile is not orphaned?
//
u3_disk* log_u = _cw_disk_init(u3_Host.dir_c); // XX s/b try_aquire lock
u3C.wag_w |= u3o_hashless;
u3m_boot(u3_Host.dir_c, (size_t)1 << u3_Host.ops_u.lom_y);
u3C.slog_f = _cw_play_slog;
{
u3_mars mar_u = {
.log_u = log_u,
.dir_c = u3_Host.dir_c,
.sen_d = u3A->eve_d,
.dun_d = u3A->eve_d,
.mug_l = u3r_mug(u3A->roc)
};
c3_d eve_d = 0;
c3_c* eve_c = u3_Host.ops_u.til_c;
if ( u3_Host.ops_u.til_c ) {
if ( 1 != sscanf(eve_c, "%" PRIu64 "", &eve_d) ) {
fprintf(stderr, "mars: replay-to invalid: '%s'\r\n", eve_c);
}
}
u3_mars_play(&mar_u, eve_d);
}
u3_disk_exit(log_u);
u3m_stop();
}
/* _cw_prep(): prepare for upgrade
*/
static void
@ -2061,6 +2170,7 @@ _cw_utils(c3_i argc, c3_c* argv[])
// [%meld dir=@t] :: deduplicate
// [?(%next %upgrade) dir=@t] :: upgrade
// [%pack dir=@t] :: defragment
// [%play dir=@t] :: recompute
// [%prep dir=@t] :: prep upgrade
// [%queu dir=@t eve=@ud] :: cue state
// [?(%vere %fetch-vere) dir=@t] :: download vere
@ -2101,6 +2211,7 @@ _cw_utils(c3_i argc, c3_c* argv[])
case c3__meld: _cw_meld(argc, argv); return 1;
case c3__next: _cw_next(argc, argv); return 2; // continue on
case c3__pack: _cw_pack(argc, argv); return 1;
case c3__play: _cw_play(argc, argv); return 1;
case c3__prep: _cw_prep(argc, argv); return 2; // continue on
case c3__queu: _cw_queu(argc, argv); return 1;
case c3__vere: _cw_vere(argc, argv); return 1;