mirror of
https://github.com/urbit/shrub.git
synced 2024-12-15 04:22:48 +03:00
1578 lines
35 KiB
C
1578 lines
35 KiB
C
/* v/unix.c
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**
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** This file is in the public domain.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <setjmp.h>
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#include <gmp.h>
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#include <dirent.h>
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#include <stdint.h>
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#include <uv.h>
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#include <termios.h>
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#include <term.h>
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#include <errno.h>
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#include "all.h"
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#include "v/vere.h"
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/* _unix_down(): descend path.
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*/
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static c3_c*
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_unix_down(c3_c* pax_c, c3_c* sub_c)
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{
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c3_w pax_w = strlen(pax_c);
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c3_w sub_w = strlen(sub_c);
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c3_c* don_c = c3_malloc(pax_w + strlen(sub_c) + 2);
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strncpy(don_c, pax_c, pax_w + 1);
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don_c[pax_w] = '/';
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strncpy(don_c + pax_w + 1, sub_c, sub_w + 1);
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don_c[pax_w + sub_w + 1] = '\0';
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return don_c;
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}
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/* _unix_mkdir(): mkdir, asserting.
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*/
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static void
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_unix_mkdir(c3_c* pax_c)
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{
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if ( 0 != mkdir(pax_c, 0755) && EEXIST != errno) {
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uL(fprintf(uH, "%s: %s\n", pax_c, strerror(errno)));
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c3_assert(0);
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}
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}
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/* _unix_opendir(): opendir, recreating if nonexistent.
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*/
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static DIR*
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_unix_opendir(c3_c* pax_c)
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{
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DIR* rid_u = opendir(pax_c);
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if ( !rid_u ) {
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// uL(fprintf(uH, "%s: %s\n", pax_c, strerror(errno)));
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_unix_mkdir(pax_c);
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rid_u = opendir(pax_c);
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if ( !rid_u ) {
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uL(fprintf(uH, "%s: %s\n", pax_c, strerror(errno)));
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c3_assert(0);
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}
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}
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return rid_u;
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}
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/* _unix_unlink(): unlink, asserting.
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*/
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static void
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_unix_unlink(c3_c* pax_c)
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{
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if ( 0 != unlink(pax_c) && ENOENT != errno) {
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uL(fprintf(uH, "%s: %s\n", pax_c, strerror(errno)));
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c3_assert(0);
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}
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}
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/* u3_unix_acquire(): acquire a lockfile, killing anything that holds it.
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*/
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void
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u3_unix_acquire(c3_c* pax_c)
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{
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c3_c* paf_c = _unix_down(pax_c, ".vere.lock");
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c3_w pid_w;
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FILE* loq_u;
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if ( NULL != (loq_u = fopen(paf_c, "r")) ) {
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if ( 1 != fscanf(loq_u, "%u", &pid_w) ) {
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uL(fprintf(uH, "lockfile %s is corrupt!\n", paf_c));
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kill(getpid(), SIGTERM);
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sleep(1); c3_assert(0);
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}
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else {
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c3_w i_w;
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if ( -1 != kill(pid_w, SIGTERM) ) {
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uL(fprintf(uH, "unix: stopping process %d, live in %s...\n",
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pid_w, pax_c));
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for ( i_w = 0; i_w < 16; i_w++ ) {
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sleep(1);
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if ( -1 == kill(pid_w, SIGTERM) ) {
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break;
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}
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}
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if ( 16 == i_w ) {
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for ( i_w = 0; i_w < 16; i_w++ ) {
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if ( -1 == kill(pid_w, SIGKILL) ) {
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break;
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}
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sleep(1);
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}
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}
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if ( 16 == i_w ) {
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uL(fprintf(uH, "process %d seems unkillable!\n", pid_w));
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c3_assert(0);
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}
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uL(fprintf(uH, "unix: stopped old process %u\n", pid_w));
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}
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}
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fclose(loq_u);
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unlink(paf_c);
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}
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loq_u = fopen(paf_c, "w");
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fprintf(loq_u, "%u\n", getpid());
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{
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c3_i fid_i = fileno(loq_u);
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#if defined(U2_OS_linux)
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fdatasync(fid_i);
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#elif defined(U2_OS_osx)
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fcntl(fid_i, F_FULLFSYNC);
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#elif defined(U2_OS_bsd)
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fsync(fid_i);
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#else
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# error "port: datasync"
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#endif
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}
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fclose(loq_u);
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free(paf_c);
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}
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/* u3_unix_release(): release a lockfile.
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*/
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void
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u3_unix_release(c3_c* pax_c)
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{
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c3_c* paf_c = _unix_down(pax_c, ".vere.lock");
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unlink(paf_c);
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free(paf_c);
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}
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/* _unix_dir_dry(): recursively dry a directory.
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*/
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static void
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_unix_dir_dry(u3_udir* dir_u)
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{
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u3_udir* dis_u;
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u3_ufil* fil_u;
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dir_u->dry = u3_yes;
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for ( dis_u = dir_u->dis_u; dis_u; dis_u = dis_u->nex_u ) {
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_unix_dir_dry(dis_u);
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}
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for ( fil_u = dir_u->fil_u; fil_u; fil_u = fil_u->nex_u ) {
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fil_u->dry = u3_yes;
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}
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}
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/* _unix_fs_event_cb(): filesystem event callback.
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*/
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static void
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_unix_fs_event_cb(uv_fs_event_t* was_u,
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const c3_c* pax_c,
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c3_i evt_i,
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c3_i sas_i)
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{
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// note that we're doing something tricky and weird here.
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//
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// * libuv passes around a pointer to a uv_fs_event_t
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// * we define a struct that STARTS with a uv_fs_event_t and then has
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// more fields after it
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// * this is what we pass into libuv up top
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// * this is what we get out of libuv down below
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// * thus a cast is cool
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u3_unod* nod_u = (u3_unod*) was_u;
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#ifdef SYNCLOG
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c3_w slot = u3_Host.unx_u.lot_w++ % 1024;
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free(u3_Host.unx_u.sylo[slot].pax_c);
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u3_Host.unx_u.sylo[slot].pax_c = 0;
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u3_Host.unx_u.sylo[slot].unx = u3_yes;
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u3_Host.unx_u.sylo[slot].wer_m = c3_s4('u','v','s','y');
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u3_Host.unx_u.sylo[slot].wot_m = 0;
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u3_Host.unx_u.sylo[slot].pax_c = strdup(nod_u->pax_c);
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#endif
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{
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while ( nod_u ) {
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nod_u->dry = u3_no;
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nod_u = (u3_unod*) nod_u->par_u;
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}
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}
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}
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/* _unix_file_watch(): create file tracker (from filesystem)
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*/
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static void
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_unix_file_watch(u3_ufil* fil_u,
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u3_udir* dir_u,
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c3_c* pax_c,
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mpz_t mod_mp)
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{
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// (1) build data structure
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//
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fil_u->non = u3_no;
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fil_u->dry = u3_no;
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fil_u->pax_c = pax_c;
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{
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c3_c* dot_c = strrchr(pax_c, '.');
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c3_c* fas_c = strrchr(pax_c, '/');
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fil_u->dot_c = dot_c ? (fas_c ? ((dot_c > fas_c) ? dot_c : 0)
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: dot_c)
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: 0;
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}
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fil_u->par_u = dir_u;
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mpz_init_set(fil_u->mod_mp, mod_mp);
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fil_u->nex_u = 0;
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c3_assert(!fil_u->dot_c || (fil_u->dot_c > fil_u->pax_c));
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// (2) stuff data structure into libuv
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//
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c3_w ret_w = uv_fs_event_init(u3L, // loop
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&fil_u->was_u // uv_fs_event_t
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);
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if (0 != ret_w){
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uL(fprintf(uH, "event init: %s\n", strerror(ret_w)));
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c3_assert(0);
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}
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//
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ret_w = uv_fs_event_start(&fil_u->was_u, // uv_fs_event_t
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_unix_fs_event_cb, // callback
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pax_c, // dir as strings
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0); // flags
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if (0 != ret_w){
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uL(fprintf(uH, "event start: %s\n", strerror(ret_w)));
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c3_assert(0);
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}
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}
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/* _unix_file_form(): form a filename path downward.
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*/
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static c3_c*
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_unix_file_form(u3_udir* dir_u,
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u3_noun pre,
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u3_bean ket,
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u3_noun ext)
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{
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c3_c* pre_c = u3_cr_string(pre);
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c3_c* ext_c = u3_cr_string(ext);
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c3_w pax_w = strlen(dir_u->pax_c);
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c3_w pre_w = strlen(pre_c);
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c3_w ext_w = strlen(ext_c);
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c3_w ket_w = (u3_yes == ket) ? 1 : 0;
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c3_c* pax_c = c3_malloc(pax_w + 1 + pre_w + 1 + ket_w + ext_w + 1);
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strncpy(pax_c, dir_u->pax_c, pax_w);
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pax_c[pax_w] = '/';
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strncpy(pax_c + pax_w + 1, pre_c, pre_w);
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pax_c[pax_w + 1 + pre_w] = '.';
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if ( u3_yes == ket ) {
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pax_c[pax_w + 1 + pre_w + 1] = '^';
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}
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strncpy(pax_c + pax_w + 1 + pre_w + 1 + ket_w, ext_c, ext_w);
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pax_c[pax_w + 1 + pre_w + 1 + ket_w + ext_w] = '\0';
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free(pre_c); free(ext_c);
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u3z(pre); u3z(ext);
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return pax_c;
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}
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/* _unix_dir_watch(): instantiate directory tracker.
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*/
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static void
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_unix_dir_watch(u3_udir* dir_u, u3_udir* par_u, c3_c* pax_c)
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{
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// (1) build data structure
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//
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dir_u->yes = u3_yes;
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dir_u->dry = u3_no;
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dir_u->pax_c = pax_c;
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dir_u->par_u = par_u;
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dir_u->dis_u = 0;
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dir_u->fil_u = 0;
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dir_u->nex_u = 0;
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// (2) stuff data structure into libuv
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//
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c3_w ret_w = uv_fs_event_init(u3L, &dir_u->was_u );
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if (0 != ret_w){
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uL(fprintf(uH, "event init: %s\n", uv_strerror(ret_w)));
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c3_assert(0);
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}
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// note that we're doing something tricky here; see comment in _unix_fs_event_cb
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//
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ret_w = uv_fs_event_start(&dir_u->was_u,
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_unix_fs_event_cb,
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pax_c,
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0);
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if (0 != ret_w){
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uL(fprintf(uH, "event start: %s\n", uv_strerror(ret_w)));
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c3_assert(0);
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}
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}
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/* _unix_dir_forge: instantiate directory tracker (and make directory).
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*/
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static void
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_unix_dir_forge(u3_udir* dir_u, u3_udir* par_u, u3_noun tet)
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{
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c3_c* tet_c = u3_cr_string(tet);
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c3_w pax_w = strlen(par_u->pax_c);
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c3_w tet_w = strlen(tet_c);
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c3_c* pax_c = c3_malloc(pax_w + 1 + tet_w + 1);
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strncpy(pax_c, par_u->pax_c, pax_w + 1);
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pax_c[pax_w] = '/';
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strncpy(pax_c + pax_w + 1, tet_c, tet_w + 1);
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pax_c[pax_w + tet_w + 1] = '\0';
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free(tet_c);
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u3z(tet);
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_unix_mkdir(pax_c);
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_unix_dir_watch(dir_u, par_u, pax_c);
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}
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/* _unix_file_done(): finish freeing file.
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*/
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static void
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_unix_file_done(uv_handle_t* was_u)
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{
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u3_ufil* fil_u = (void*) was_u;
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// uL(fprintf(uH, "file: dun: %s\n", fil_u->pax_c));
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free(fil_u->pax_c);
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mpz_clear(fil_u->mod_mp);
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free(fil_u);
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}
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/* _unix_file_free(): free (within) file tracker.
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*/
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static void
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_unix_file_free(u3_ufil* fil_u)
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{
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// uL(fprintf(uH, "file: free: %s\n", fil_u->pax_c));
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uv_close((uv_handle_t*)&fil_u->was_u, _unix_file_done);
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}
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#if 0
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/* _unix_file_sane(): sanity check file.
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*/
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static void
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_unix_file_sane(u3_ufil* fil_u)
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{
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}
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/* _unix_dir_sane(): sanity check directory.
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*/
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static void
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_unix_dir_sane(u3_udir* dir_u)
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{
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u3_udir* dis_u;
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u3_ufil* fil_u;
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for ( dis_u = dir_u->dis_u; dis_u; dis_u = dis_u->nex_u ) {
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_unix_dir_sane(dis_u);
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}
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for ( fil_u = dir_u->fil_u; fil_u; fil_u = fil_u->nex_u ) {
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_unix_file_sane(fil_u);
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}
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}
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#endif
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/* _unix_dir_free(): free (within) directory tracker.
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*/
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static void _unix_dir_free(u3_udir* dir_u);
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static void
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_unix_dir_done(uv_handle_t* was_u)
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{
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u3_udir* dir_u = (void*) was_u;
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while ( dir_u->dis_u ) {
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u3_udir* nex_u = dir_u->dis_u->nex_u;
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_unix_dir_free(dir_u->dis_u);
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dir_u->dis_u = nex_u;
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}
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while ( dir_u->fil_u ) {
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u3_ufil* nex_u = dir_u->fil_u->nex_u;
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_unix_file_free(dir_u->fil_u);
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dir_u->fil_u = nex_u;
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}
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free(dir_u->pax_c);
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free(dir_u);
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}
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static void
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_unix_dir_free(u3_udir* dir_u)
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{
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uv_close((uv_handle_t*)&dir_u->was_u, _unix_dir_done);
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}
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#if 0
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/* _unix_file_update(): update file, true if plausibly changed.
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*/
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static u3_bean
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_unix_file_update(u3_ufil* fil_u, mpz_t mod_mp)
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{
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if ( 0 == mpz_cmp(mod_mp, fil_u->mod_mp) ) {
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return u3_no;
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} else {
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mpz_clear(fil_u->mod_mp);
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mpz_init_set(fil_u->mod_mp, mod_mp);
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return u3_yes;
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}
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}
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#endif
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/* _unix_dir_update(): update directory.
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*/
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static void
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_unix_dir_update(u3_udir* dir_u, DIR* rid_u)
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{
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if ( u3_yes == dir_u->dry ) {
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return;
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}
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else {
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// Update all wet subdirectories.
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//
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u3_udir** dis_u;
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u3_ufil** fil_u;
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for ( dis_u = &(dir_u->dis_u); *dis_u; ) {
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if ( u3_yes == (*dis_u)->dry ) {
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dis_u = &(*dis_u)->nex_u;
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}
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else {
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DIR* red_u = opendir((*dis_u)->pax_c);
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if ( 0 == red_u ) {
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u3_udir* ded_u = *dis_u;
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u3_udir* nex_u = ded_u->nex_u;
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// uL(fprintf(uH, "removed directory %s\n", ded_u->pax_c));
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_unix_dir_free(ded_u);
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*dis_u = nex_u;
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}
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else {
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|
_unix_dir_update(*dis_u, red_u);
|
|
|
|
closedir(red_u);
|
|
dis_u = &(*dis_u)->nex_u;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check all wet files to see if they need deleting.
|
|
//
|
|
for ( fil_u = &(dir_u->fil_u); *fil_u; ) {
|
|
if ( u3_yes == (*fil_u)->dry ) {
|
|
fil_u = &(*fil_u)->nex_u;
|
|
}
|
|
else {
|
|
struct stat buf_u;
|
|
|
|
if ( -1 == stat((*fil_u)->pax_c, &buf_u) ||
|
|
!(S_IFREG & buf_u.st_mode) )
|
|
{
|
|
u3_ufil* ded_u = *fil_u;
|
|
u3_ufil* nex_u = ded_u->nex_u;
|
|
|
|
// uL(fprintf(uH, "removed file %s\n", ded_u->pax_c));
|
|
_unix_file_free(ded_u);
|
|
*fil_u = nex_u;
|
|
}
|
|
else {
|
|
fil_u = &(*fil_u)->nex_u;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Scan for new files/directories. XX - this is O(n^2) brute
|
|
// force, and could be done by smarter event processing.
|
|
//
|
|
while ( 1 ) {
|
|
struct dirent ent_u;
|
|
struct dirent* out_u;
|
|
|
|
if ( readdir_r(rid_u, &ent_u, &out_u) != 0 ) {
|
|
// uL(fprintf(uH, "%s: %s\n", dir_u->pax_c, strerror(errno)));
|
|
c3_assert(0);
|
|
}
|
|
else if ( !out_u ) {
|
|
break;
|
|
}
|
|
else if ( ('.' == out_u->d_name[0]) ) { // XX screws up some paths
|
|
continue;
|
|
}
|
|
else {
|
|
c3_c* pax_c = _unix_down(dir_u->pax_c, out_u->d_name);
|
|
struct stat buf_u;
|
|
|
|
// uL(fprintf(uH, " in %s\n", pax_c));
|
|
if ( 0 != stat(pax_c, &buf_u) ) {
|
|
free(pax_c);
|
|
continue;
|
|
}
|
|
else {
|
|
if ( !S_ISDIR(buf_u.st_mode) ) {
|
|
mpz_t mod_mp;
|
|
u3_ufil* fil_u;
|
|
|
|
if ( ( NULL == strrchr(out_u->d_name, '.')) ||
|
|
( '~' == out_u->d_name[strlen(out_u->d_name) - 1] )
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
{
|
|
u3_noun mod = c3_stat_mtime(&buf_u);
|
|
|
|
u3_cr_mp(mod_mp, mod);
|
|
u3z(mod);
|
|
}
|
|
for ( fil_u = dir_u->fil_u; fil_u; fil_u = fil_u->nex_u ) {
|
|
if ( !strcmp(pax_c, fil_u->pax_c) ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( !fil_u ) {
|
|
fil_u = c3_malloc(sizeof(u3_ufil));
|
|
|
|
// uL(fprintf(uH, "found file %s\n", pax_c));
|
|
_unix_file_watch(fil_u, dir_u, pax_c, mod_mp);
|
|
|
|
fil_u->nex_u = dir_u->fil_u;
|
|
dir_u->fil_u = fil_u;
|
|
}
|
|
mpz_clear(mod_mp);
|
|
}
|
|
else {
|
|
u3_udir* dis_u;
|
|
|
|
for ( dis_u = dir_u->dis_u; dis_u; dis_u = dis_u->nex_u ) {
|
|
if ( !strcmp(pax_c, dis_u->pax_c) ) {
|
|
break;
|
|
}
|
|
}
|
|
if ( !dis_u ) {
|
|
DIR* red_u = _unix_opendir(pax_c);
|
|
dis_u = c3_malloc(sizeof(u3_udir));
|
|
|
|
// uL(fprintf(uH, "found directory %s\n", pax_c));
|
|
_unix_dir_watch(dis_u, dir_u, pax_c);
|
|
_unix_dir_update(dis_u, red_u);
|
|
|
|
dis_u->nex_u = dir_u->dis_u;
|
|
dir_u->dis_u = dis_u;
|
|
|
|
closedir(red_u);
|
|
} else {
|
|
free(pax_c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* unix_load(): load a file.
|
|
*/
|
|
static u3_noun
|
|
_unix_load(c3_c* pax_c)
|
|
{
|
|
struct stat buf_u;
|
|
c3_i fid_i = open(pax_c, O_RDONLY, 0644);
|
|
c3_w fln_w, red_w;
|
|
c3_y* pad_y;
|
|
|
|
if ( (fid_i < 0) || (fstat(fid_i, &buf_u) < 0) ) {
|
|
// ignore if the file disappeared between getting the sync event and now
|
|
if ( ENOENT != errno ) {
|
|
uL(fprintf(uH, "%s: %s\n", pax_c, strerror(errno)));
|
|
}
|
|
return 0;
|
|
}
|
|
fln_w = buf_u.st_size;
|
|
pad_y = c3_malloc(buf_u.st_size);
|
|
|
|
red_w = read(fid_i, pad_y, fln_w);
|
|
close(fid_i);
|
|
|
|
if ( fln_w != red_w ) {
|
|
free(pad_y);
|
|
c3_assert(0);
|
|
return 0;
|
|
}
|
|
else {
|
|
u3_noun pad = u3_ci_bytes(fln_w, (c3_y *)pad_y);
|
|
free(pad_y);
|
|
|
|
return pad;
|
|
}
|
|
}
|
|
|
|
/* unix_save(): save a file.
|
|
*/
|
|
static void
|
|
_unix_save(c3_c* pax_c, u3_atom oat)
|
|
{
|
|
c3_i fid_i = open(pax_c, O_WRONLY | O_CREAT | O_TRUNC, 0666);
|
|
c3_w fln_w, rit_w;
|
|
c3_y* oat_y;
|
|
|
|
if ( fid_i < 0 ) {
|
|
uL(fprintf(uH, "%s: %s\n", pax_c, strerror(errno)));
|
|
u3_cm_bail(c3__fail);
|
|
}
|
|
|
|
fln_w = u3_cr_met(3, oat);
|
|
oat_y = c3_malloc(fln_w);
|
|
u3_cr_bytes(0, fln_w, oat_y, oat);
|
|
u3z(oat);
|
|
|
|
rit_w = write(fid_i, oat_y, fln_w);
|
|
if ( rit_w != fln_w ) {
|
|
uL(fprintf(uH, "%s: %s\n", pax_c, strerror(errno)));
|
|
c3_assert(0);
|
|
}
|
|
|
|
close(fid_i);
|
|
free(oat_y);
|
|
}
|
|
|
|
/* _unix_file_load(): load a file by watcher.
|
|
*/
|
|
static u3_noun
|
|
_unix_file_load(u3_ufil* fil_u)
|
|
{
|
|
u3_noun raw = _unix_load(fil_u->pax_c);
|
|
|
|
if ( (0 == raw) || ('^' != fil_u->dot_c[1]) ) {
|
|
return raw;
|
|
}
|
|
else return u3_cke_cue(raw);
|
|
}
|
|
|
|
|
|
/* _unix_dir_name(): directory name.
|
|
*/
|
|
static u3_noun
|
|
_unix_dir_name(u3_udir* dir_u)
|
|
{
|
|
c3_w pel_w = strlen(dir_u->par_u->pax_c);
|
|
c3_c* pax_c = dir_u->pax_c + pel_w + 1;
|
|
c3_c* fas_c = strchr(pax_c, '/');
|
|
|
|
return fas_c ? u3_ci_bytes((fas_c - pax_c), (c3_y*) pax_c)
|
|
: u3_ci_string(pax_c);
|
|
}
|
|
|
|
/* _unix_file_tame(): file name/extension for toplevel.
|
|
*/
|
|
static u3_noun
|
|
_unix_file_tame(u3_ufil* fil_u)
|
|
{
|
|
c3_c* fas_c = strrchr(fil_u->pax_c, '/');
|
|
c3_c* pax_c = fil_u->pax_c + (fas_c-fil_u->pax_c) + 1;
|
|
|
|
if ( !fil_u->dot_c ) {
|
|
return u3_none;
|
|
}
|
|
else {
|
|
c3_c* ext_c = fil_u->dot_c + 1;
|
|
c3_w nam_w = fil_u->dot_c - pax_c;
|
|
|
|
return u3nc(u3_ci_bytes(nam_w, (c3_y*)pax_c),
|
|
u3_ci_string(ext_c));
|
|
}
|
|
}
|
|
|
|
/* _unix_file_name(): file name/extension.
|
|
*/
|
|
static u3_noun
|
|
_unix_file_name(u3_ufil* fil_u)
|
|
{
|
|
c3_w pel_w = strlen(fil_u->par_u->pax_c);
|
|
c3_c* pax_c = fil_u->pax_c + pel_w + 1;
|
|
|
|
if ( !fil_u->dot_c ) {
|
|
return u3_ci_string(pax_c);
|
|
}
|
|
else {
|
|
c3_c* ext_c = fil_u->dot_c + 1;
|
|
|
|
ext_c = (*ext_c == '^') ? (ext_c + 1) : ext_c;
|
|
return u3nc(u3_ci_bytes((fil_u->dot_c - pax_c), (c3_y*)pax_c),
|
|
u3_ci_string(ext_c));
|
|
}
|
|
}
|
|
|
|
/* _unix_dir_ankh_file(): process a file for ankh.
|
|
*/
|
|
static u3_noun
|
|
_unix_dir_ankh_file(u3_noun pam, u3_noun wib, u3_noun baw, u3_noun woz)
|
|
{
|
|
u3_weak ole;
|
|
if ( u3_no == u3du(wib) ) {
|
|
ole = u3_ckdb_get(u3k(pam), u3k(wib));
|
|
|
|
if ( u3_none == ole ) {
|
|
ole = u3_do("cosh", u3nt(0, woz, u3_nul));
|
|
} else {
|
|
u3_noun elo;
|
|
|
|
elo = u3_do("cosh", u3nt(0, woz, u3k(u3t(u3t(ole)))));
|
|
u3z(ole);
|
|
|
|
ole = elo;
|
|
}
|
|
pam = u3_ckdb_put(pam, wib, ole);
|
|
}
|
|
else {
|
|
u3_noun fid = u3h(wib);
|
|
u3_noun har = u3t(wib);
|
|
|
|
ole = u3_ckdb_get(u3k(pam), u3k(fid));
|
|
|
|
if ( u3_none == ole ) {
|
|
ole = u3nt
|
|
(0, u3_nul, u3_ckdb_put(u3_nul,
|
|
u3k(har),
|
|
u3_do("cosh", u3nt(0, woz, u3_nul))));
|
|
ole = u3_do("cosh", ole);
|
|
}
|
|
else {
|
|
u3_noun roo = u3t(u3t(ole));
|
|
u3_weak tup = u3_ckdb_get(u3k(roo), u3k(har));
|
|
u3_noun oor, elo;
|
|
|
|
if ( u3_none == tup ) {
|
|
tup = u3_do("cosh", u3nt(0, woz, u3_nul));
|
|
} else {
|
|
u3_noun upt;
|
|
|
|
upt = u3_do("cosh", u3nt(0, woz, u3k(u3t(u3t(tup)))));
|
|
u3z(tup);
|
|
|
|
tup = upt;
|
|
}
|
|
oor = u3_ckdb_put(u3k(roo), u3k(har), tup);
|
|
elo = u3_do("cosh", u3nt(0, u3k(u3h(u3t(ole))), oor));
|
|
|
|
u3z(ole); ole = elo;
|
|
}
|
|
pam = u3_ckdb_put(pam, u3k(fid), ole);
|
|
u3z(wib);
|
|
}
|
|
return pam;
|
|
}
|
|
|
|
/* _unix_dir_ankh(): resolve directory to new style ankh.
|
|
*/
|
|
static u3_noun
|
|
_unix_dir_ankh(u3_udir* dir_u)
|
|
{
|
|
u3_udir* dis_u;
|
|
u3_ufil* fil_u;
|
|
u3_noun pam = u3_nul;
|
|
|
|
for ( dis_u = dir_u->dis_u; dis_u; dis_u = dis_u->nex_u ) {
|
|
u3_noun pre = _unix_dir_name(dis_u);
|
|
u3_noun ank = _unix_dir_ankh(dis_u);
|
|
|
|
// uL(fprintf(uH, "dir %s\n", u3_cr_string(pre)));
|
|
if ( 0 != u3h(ank) ) {
|
|
pam = u3_ckdb_put(pam, pre, ank);
|
|
}
|
|
}
|
|
|
|
if ( !dir_u->par_u->par_u ) { // toplevel
|
|
for ( fil_u = dir_u->par_u->fil_u; fil_u; fil_u = fil_u->nex_u ) {
|
|
// uL(fprintf(uH, "top %s\n", fil_u->pax_c));
|
|
u3_noun wib = _unix_file_tame(fil_u);
|
|
if ( u3_none == wib ) continue;
|
|
u3_noun dur = _unix_dir_name(dir_u);
|
|
if ( u3_no == u3_cr_sing(dur, u3h(wib)) ) { // wrong desk
|
|
u3z(wib); u3z(dur);
|
|
continue;
|
|
}
|
|
u3_noun baw = _unix_file_load(fil_u);
|
|
u3_noun woz = u3nt(u3_nul, u3_do("sham", u3k(baw)), baw);
|
|
u3z(dur);
|
|
pam = _unix_dir_ankh_file(pam, u3k(u3t(wib)), baw, woz);
|
|
u3z(wib);
|
|
}
|
|
}
|
|
|
|
for ( fil_u = dir_u->fil_u; fil_u; fil_u = fil_u->nex_u ) {
|
|
u3_noun wib = _unix_file_name(fil_u);
|
|
u3_noun baw = _unix_file_load(fil_u);
|
|
u3_noun woz = u3nt(u3_nul, u3_do("sham", u3k(baw)), baw);
|
|
pam = _unix_dir_ankh_file(pam, wib, baw, woz);
|
|
}
|
|
return u3_do("cosh", u3nt(0, u3_nul, pam));
|
|
}
|
|
|
|
/* _unix_desk_peek(): peek for ankh.
|
|
*/
|
|
static u3_noun
|
|
_unix_desk_peek(u3_noun hox,
|
|
u3_noun syd,
|
|
u3_noun lok)
|
|
{
|
|
u3_noun cay;
|
|
|
|
cay = u3_cv_peek(u3nc(c3_s2('c','z'), u3nq(hox, syd, lok, u3_nul)));
|
|
|
|
if ( u3_nul == cay ) {
|
|
return u3nt(0, u3_nul, u3_nul);
|
|
} else {
|
|
u3_noun ank = u3k(u3t(cay));
|
|
|
|
u3z(cay); return ank;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
/* _unix_ankh_sing_map(): compare ankh maps for u3_ankh_sing().
|
|
*/
|
|
static u3_bean _unix_ankh_sing_in(u3_noun, u3_noun);
|
|
|
|
static u3_bean
|
|
_unix_ankh_sing_map(u3_noun mun, u3_noun mur) // retain
|
|
{
|
|
u3_noun n_mun, l_mun, r_mun;
|
|
u3_noun n_mur, l_mur, r_mur;
|
|
|
|
if ( (u3_nul == mun) && (u3_nul == mur) ) { return u3_yes; }
|
|
if ( (u3_nul == mun) || (u3_nul == mur) ) { return u3_no; }
|
|
|
|
u3_cx_trel(mun, &n_mun, &l_mun, &r_mun);
|
|
u3_cx_trel(mur, &n_mur, &l_mur, &r_mur);
|
|
|
|
if ( (u3_no == (u3_cr_sing(u3h(n_mun), u3h(n_mur)))) ||
|
|
(u3_no == _unix_ankh_sing_in(u3t(n_mun), u3t(n_mur))) ||
|
|
(u3_no == _unix_ankh_sing_map(l_mun, l_mur)) ||
|
|
(u3_no == _unix_ankh_sing_map(r_mun, r_mur)) )
|
|
{
|
|
return u3_no;
|
|
} else return u3_yes;
|
|
}
|
|
|
|
/* _unix_node_sing(): test node equality.
|
|
*/
|
|
static u3_bean
|
|
_unix_node_sing(u3_noun xud, u3_noun bud)
|
|
{
|
|
if ( (u3_nul == xud) && (u3_nul == bud) ) { return u3_yes; }
|
|
if ( (u3_nul == xud) || (u3_nul == bud) ) { return u3_no; }
|
|
|
|
return u3_cr_sing(u3t(u3t(xud)), u3t(u3t(bud)));
|
|
}
|
|
|
|
/* _unix_ankh_sing_in(): stupid ankh test which ignores broken hash.
|
|
*/
|
|
static u3_bean
|
|
_unix_ankh_sing_in(u3_noun xun, u3_noun bur) // retain
|
|
{
|
|
u3_noun p_xun, q_xun, r_xun;
|
|
u3_noun p_bur, q_bur, r_bur;
|
|
|
|
u3_cx_trel(xun, &p_xun, &q_xun, &r_xun);
|
|
u3_cx_trel(bur, &p_bur, &q_bur, &r_bur);
|
|
|
|
if ( u3_no == _unix_node_sing(q_xun, q_bur) ) {
|
|
return u3_no;
|
|
}
|
|
return _unix_ankh_sing_map(r_xun, r_bur);
|
|
}
|
|
|
|
/* _unix_ankh_sing(): full ankh compare.
|
|
*/
|
|
static u3_bean
|
|
_unix_ankh_sing(u3_noun xun, u3_noun bur) // retain
|
|
{
|
|
if ( u3_yes == u3_cr_sing(xun, bur) ) {
|
|
return u3_yes;
|
|
} else {
|
|
if ( u3_no == _unix_ankh_sing_in(xun, bur) ) {
|
|
// fprintf(stderr, "uas: no, no (%x, %x)\r\n", u3_mug(xun), u3_mug(bur));
|
|
return u3_no;
|
|
}
|
|
else {
|
|
// fprintf(stderr, "uas: no, yes\r\n");
|
|
return u3_yes;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* _unix_desk_sync_into(): sync external changes to desk.
|
|
*/
|
|
static void
|
|
_unix_desk_sync_into(u3_noun who,
|
|
u3_noun hox,
|
|
u3_noun syd,
|
|
u3_udir* dir_u)
|
|
{
|
|
u3_noun xun, bur, doz, fav, pax;
|
|
|
|
xun = _unix_dir_ankh(dir_u);
|
|
bur = _unix_desk_peek(hox, u3k(syd), u3k(u3A->wen));
|
|
|
|
if ( (u3_no == u3_cr_sing(u3h(xun), u3h(bur)))) //&&
|
|
// (u3_no == _unix_ankh_sing(xun, bur)) )
|
|
{
|
|
doz = u3_dc("cost", xun, bur);
|
|
|
|
pax = u3nq(u3_blip, c3__sync, u3k(u3A->sen), u3_nul);
|
|
fav = u3nq(c3__into, who, syd, u3nc(u3_yes, doz));
|
|
|
|
u3_cv_plan(pax, fav);
|
|
}
|
|
else {
|
|
u3z(who); u3z(syd); u3z(xun); u3z(bur);
|
|
}
|
|
}
|
|
|
|
/* _unix_ship_update(): update top level ship.
|
|
*/
|
|
static void
|
|
_unix_ship_update(u3_uhot* hot_u)
|
|
{
|
|
u3_udir* dir_u = &(hot_u->dir_u);
|
|
|
|
if ( u3_no == dir_u->dry ) {
|
|
DIR* rid_u = _unix_opendir(dir_u->pax_c);
|
|
u3_udir* dis_u;
|
|
u3_noun who, hox;
|
|
|
|
_unix_dir_update(dir_u, rid_u);
|
|
|
|
{
|
|
mpz_t who_mp;
|
|
|
|
mpz_init_set(who_mp, hot_u->who_mp);
|
|
who = u3_ci_mp(who_mp);
|
|
hox = u3_dc("scot", 'p', u3k(who));
|
|
}
|
|
|
|
for ( dis_u = dir_u->dis_u; dis_u; dis_u = dis_u->nex_u ) {
|
|
u3_noun syd = _unix_dir_name(dis_u);
|
|
|
|
// uL(fprintf(uH, "sync %s %s\n", u3_cr_string(hox), u3_cr_string(syd)));
|
|
_unix_desk_sync_into(u3k(who), u3k(hox), syd, dis_u);
|
|
}
|
|
u3z(hox);
|
|
u3z(who);
|
|
|
|
closedir(rid_u);
|
|
_unix_dir_dry(dir_u);
|
|
}
|
|
}
|
|
|
|
/* _unix_hot_gain(): gain ship.
|
|
*/
|
|
static void
|
|
_unix_hot_gain(u3_noun who, u3_bean mek)
|
|
{
|
|
u3_noun hox = u3_dc("scot", 'p', u3k(who));
|
|
c3_c* hox_c = u3_cr_string(hox);
|
|
c3_c* pax_c = _unix_down(u3_Host.cpu_c, hox_c + 1);
|
|
DIR* rid_u = opendir(pax_c);
|
|
|
|
if ( !rid_u ) {
|
|
if ( u3_yes == mek ) {
|
|
_unix_mkdir(pax_c);
|
|
} else {
|
|
u3z(who);
|
|
u3z(hox);
|
|
return;
|
|
}
|
|
} else closedir(rid_u);
|
|
|
|
// uL(fprintf(uH, "GAIN %s\n", pax_c));
|
|
free(hox_c);
|
|
u3z(hox);
|
|
u3_unix_acquire(pax_c);
|
|
|
|
{
|
|
u3_uhot* hot_u = c3_malloc(sizeof(u3_uhot));
|
|
|
|
_unix_dir_watch(&hot_u->dir_u, 0, pax_c);
|
|
|
|
u3_cr_mp(hot_u->who_mp, who);
|
|
u3z(who);
|
|
|
|
hot_u->nex_u = u3_Host.unx_u.hot_u;
|
|
u3_Host.unx_u.hot_u = hot_u;
|
|
}
|
|
}
|
|
|
|
/* _unix_hot_lose(): release within a host directory.
|
|
*/
|
|
static void
|
|
_unix_hot_lose(u3_uhot* hot_u)
|
|
{
|
|
// uL(fprintf(uH, "lose: %s\n", hot_u->dir_u.pax_c));
|
|
_unix_dir_free(&(hot_u->dir_u));
|
|
}
|
|
|
|
/* _unix_pdir(): find directory reference from text.
|
|
*/
|
|
static u3_udir**
|
|
_unix_pdir(u3_udir* par_u, u3_noun tet)
|
|
{
|
|
c3_c* tet_c = u3_cr_string(tet);
|
|
c3_w pax_w = strlen(par_u->pax_c);
|
|
u3_udir** dir_u;
|
|
|
|
dir_u = &(par_u->dis_u);
|
|
while ( 1 ) {
|
|
if ( !*dir_u || !strcmp(((*dir_u)->pax_c + pax_w + 1), tet_c) ) {
|
|
free(tet_c); return dir_u;
|
|
}
|
|
else dir_u = &((*dir_u)->nex_u);
|
|
}
|
|
}
|
|
|
|
/* _unix_home(): find home directory from identity.
|
|
*/
|
|
static u3_uhot*
|
|
_unix_home(u3_noun who)
|
|
{
|
|
u3_unix* unx_u = &u3_Host.unx_u;
|
|
u3_uhot* hot_u;
|
|
mpz_t who_mp;
|
|
|
|
u3_cr_mp(who_mp, who);
|
|
for ( hot_u = unx_u->hot_u;
|
|
hot_u && (0 != mpz_cmp(who_mp, hot_u->who_mp));
|
|
hot_u = hot_u->nex_u )
|
|
{
|
|
// uL(fprintf(uH, "uh: %p, %s\n", hot_u, hot_u->dir_u.pax_c));
|
|
}
|
|
mpz_clear(who_mp);
|
|
return hot_u;
|
|
}
|
|
|
|
/* _unix_desk_sync_udon(): apply udon to existing value.
|
|
*/
|
|
static u3_noun
|
|
_unix_desk_sync_udon(u3_noun don, u3_noun old)
|
|
{
|
|
return u3_dc("lump", don, old);
|
|
}
|
|
|
|
/* _unix_desk_sync_tofu(): sync out file install.
|
|
*/
|
|
static void
|
|
_unix_desk_sync_tofu(u3_udir* dir_u,
|
|
u3_noun pre,
|
|
u3_noun ext,
|
|
u3_noun mis)
|
|
{
|
|
c3_c* pox_c = _unix_file_form(dir_u, u3k(pre), u3_no, u3k(ext));
|
|
c3_c* pux_c = _unix_file_form(dir_u, u3k(pre), u3_yes, u3k(ext));
|
|
u3_ufil** fil_u;
|
|
|
|
// uL(fprintf(uH, "tofu pox_c %s op %s\n", pox_c, u3_cr_string(u3h(mis))));
|
|
|
|
#ifdef SYNCLOG
|
|
c3_w slot = u3_Host.unx_u.lot_w++ % 1024;
|
|
free(u3_Host.unx_u.sylo[slot].pax_c);
|
|
u3_Host.unx_u.sylo[slot].pax_c = 0;
|
|
#endif
|
|
|
|
fil_u = &(dir_u->fil_u);
|
|
while ( 1 ) { // XX crude!
|
|
if ( !*fil_u ||
|
|
!strcmp((*fil_u)->pax_c, pox_c) ||
|
|
!strcmp((*fil_u)->pax_c, pux_c) )
|
|
{
|
|
break;
|
|
}
|
|
else fil_u = &((*fil_u)->nex_u);
|
|
}
|
|
|
|
if ( *fil_u && (c3__del == u3h(mis)) ) {
|
|
u3_ufil* ded_u = *fil_u;
|
|
|
|
#ifdef SYNCLOG
|
|
u3_Host.unx_u.sylo[slot].unx = u3_no;
|
|
u3_Host.unx_u.sylo[slot].wer_m = c3_s4('t','o','f','u');
|
|
u3_Host.unx_u.sylo[slot].wot_m = c3__del;
|
|
u3_Host.unx_u.sylo[slot].pax_c = strdup(ded_u->pax_c);
|
|
#endif
|
|
|
|
*fil_u = ded_u->nex_u;
|
|
_unix_unlink(ded_u->pax_c);
|
|
_unix_file_free(ded_u);
|
|
|
|
free(pox_c);
|
|
free(pux_c);
|
|
}
|
|
else {
|
|
u3_noun god, oat;
|
|
c3_c* pax_c;
|
|
|
|
if ( *fil_u ) {
|
|
u3_noun old = _unix_file_load(*fil_u);
|
|
c3_assert(c3__mut == u3h(mis));
|
|
|
|
god = _unix_desk_sync_udon(u3k(u3t(mis)), old);
|
|
_unix_unlink((*fil_u)->pax_c);
|
|
free((*fil_u)->pax_c);
|
|
}
|
|
else {
|
|
c3_assert(c3__ins == u3h(mis));
|
|
god = u3k(u3t(mis));
|
|
}
|
|
|
|
if ( u3_yes == u3du(god) ) {
|
|
oat = u3_cke_jam(god);
|
|
pax_c = pux_c; free(pox_c);
|
|
} else {
|
|
oat = god;
|
|
pax_c = pox_c; free(pux_c);
|
|
}
|
|
|
|
#ifdef SYNCLOG
|
|
u3_Host.unx_u.sylo[slot].unx = u3_no;
|
|
u3_Host.unx_u.sylo[slot].wer_m = c3_s4('t','o','f','u');
|
|
u3_Host.unx_u.sylo[slot].wot_m = u3h(mis);
|
|
u3_Host.unx_u.sylo[slot].pax_c = strdup(pax_c);
|
|
#endif
|
|
|
|
_unix_save(pax_c, oat);
|
|
|
|
if ( *fil_u ) {
|
|
(*fil_u)->dot_c = (pax_c + ((*fil_u)->dot_c - (*fil_u)->pax_c));
|
|
(*fil_u)->pax_c = pax_c;
|
|
|
|
mpz_clear((*fil_u)->mod_mp);
|
|
u3_cr_mp((*fil_u)->mod_mp, u3A->now);
|
|
}
|
|
else {
|
|
mpz_t mod_mp;
|
|
|
|
u3_cr_mp(mod_mp, u3A->now);
|
|
*fil_u = c3_malloc(sizeof(u3_ufil));
|
|
|
|
_unix_file_watch(*fil_u, dir_u, pax_c, mod_mp);
|
|
mpz_clear(mod_mp);
|
|
}
|
|
}
|
|
u3z(pre); u3z(ext); u3z(mis);
|
|
}
|
|
|
|
/* _unix_desk_sync_tako(): sync out change.
|
|
*/
|
|
static void
|
|
_unix_desk_sync_tako(u3_udir* dir_u, u3_noun pax, u3_noun mis)
|
|
{
|
|
if ( (u3_no == u3du(pax)) ) {
|
|
c3_assert(!"tack");
|
|
}
|
|
else if ( u3_no == u3du(u3t(pax)) ) { // at toplevel
|
|
u3_noun i_pax = u3h(pax);
|
|
u3_noun t_pax = u3t(pax);
|
|
c3_c* par_u = strrchr(dir_u->pax_c, '/') + 1;
|
|
u3_noun pem = u3_ci_string(par_u);
|
|
c3_assert( u3_nul == t_pax ); // XX ugly, wrong
|
|
|
|
_unix_desk_sync_tofu(dir_u->par_u, pem, u3k(i_pax), mis);
|
|
}
|
|
else {
|
|
u3_noun i_pax = u3h(pax);
|
|
u3_noun t_pax = u3t(pax);
|
|
u3_noun it_pax = u3h(t_pax);
|
|
u3_noun tt_pax = u3t(t_pax);
|
|
|
|
if ( u3_nul == tt_pax ) {
|
|
_unix_desk_sync_tofu(dir_u, u3k(i_pax), u3k(it_pax), mis);
|
|
}
|
|
else {
|
|
u3_udir** dis_u = _unix_pdir(dir_u, u3k(i_pax));
|
|
|
|
if ( !*dis_u ) {
|
|
*dis_u = c3_malloc(sizeof(u3_udir));
|
|
|
|
_unix_dir_forge(*dis_u, dir_u, u3k(i_pax));
|
|
}
|
|
_unix_desk_sync_tako(*dis_u, u3k(t_pax), mis);
|
|
}
|
|
}
|
|
u3z(pax);
|
|
}
|
|
|
|
/* _unix_desk_sync_soba(): sync computed changes.
|
|
*/
|
|
static void
|
|
_unix_desk_sync_soba(u3_udir* dir_u, u3_noun doz)
|
|
{
|
|
u3_noun zod = u3t(doz);
|
|
|
|
while ( u3_nul != zod ) {
|
|
_unix_desk_sync_tako(dir_u, u3k(u3h(u3h(zod))), u3k(u3t(u3h(zod))));
|
|
zod = u3t(zod);
|
|
}
|
|
u3z(doz);
|
|
}
|
|
|
|
/* _unix_desk_sync_ergo(): sync desk changes to unix.
|
|
*/
|
|
static void
|
|
_unix_desk_sync_ergo(u3_noun hox,
|
|
u3_noun syd,
|
|
u3_noun lok,
|
|
u3_uhot* hot_u)
|
|
{
|
|
u3_udir** dir_u = _unix_pdir(&(hot_u->dir_u), syd);
|
|
u3_noun xun;
|
|
|
|
#if 0
|
|
uL(fprintf(uH, "ergo %s %s %s\n", u3_cr_string(hox),
|
|
u3_cr_string(syd),
|
|
u3_cr_string(lok)));
|
|
#endif
|
|
|
|
if ( !*dir_u ) {
|
|
*dir_u = c3_malloc(sizeof(u3_udir));
|
|
|
|
xun = u3nt(0, u3_nul, u3_nul);
|
|
_unix_dir_forge(*dir_u, &(hot_u->dir_u), u3k(syd));
|
|
} else {
|
|
xun = _unix_dir_ankh(*dir_u);
|
|
}
|
|
|
|
{
|
|
u3_noun bur = _unix_desk_peek(hox, syd, lok);
|
|
|
|
if ( u3_no == u3_cr_sing(xun, bur) ) {
|
|
u3_noun doz = u3_dc("cost", bur, xun);
|
|
|
|
_unix_desk_sync_soba(*dir_u, doz);
|
|
}
|
|
else {
|
|
u3z(xun); u3z(bur);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* u3_unix_ef_init(): update filesystem for new acquisition.
|
|
*/
|
|
void
|
|
u3_unix_ef_init(u3_noun who)
|
|
{
|
|
_unix_hot_gain(u3k(who), u3_yes);
|
|
|
|
u3_cv_plan(u3nq(u3_blip, c3__sync, u3k(u3A->sen), u3_nul),
|
|
u3nq(c3__into, who,
|
|
u3_blip,
|
|
u3nt(u3_yes, u3nc(0, 0), u3_nul)));
|
|
}
|
|
|
|
/* u3_unix_ef_ergo(): update filesystem, outbound.
|
|
*/
|
|
void
|
|
u3_unix_ef_ergo(u3_noun who,
|
|
u3_noun syd,
|
|
u3_noun rel)
|
|
{
|
|
u3_noun hox = u3_dc("scot", 'p', u3k(who));
|
|
u3_noun lok = u3_dc("scot", c3__ud, rel);
|
|
u3_uhot* hot_u;
|
|
|
|
hot_u = _unix_home(who);
|
|
|
|
if ( 0 != hot_u ) {
|
|
_unix_desk_sync_ergo(hox, syd, lok, hot_u);
|
|
}
|
|
}
|
|
|
|
/* u3_unix_ef_look(): update the root.
|
|
*/
|
|
void
|
|
u3_unix_ef_look(void)
|
|
{
|
|
u3_unix* unx_u = &u3_Host.unx_u;
|
|
u3_noun won;
|
|
u3_uhot* hot_u;
|
|
|
|
if ( u3_nul != u3A->roe ) {
|
|
// We can't generate a working %into event here because there
|
|
// are other events, possibly containing %into, that are queued;
|
|
// they will change the state of %clay and cause a patch that
|
|
// doesn't work.
|
|
//
|
|
return;
|
|
}
|
|
|
|
// find owners without directories
|
|
{
|
|
for ( won = u3A->own; u3_nul != won; won = u3t(won) ) {
|
|
u3_noun who = u3h(won);
|
|
mpz_t who_mp;
|
|
|
|
u3_cr_mp(who_mp, who);
|
|
for ( hot_u = unx_u->hot_u;
|
|
hot_u && (0 != mpz_cmp(who_mp, hot_u->who_mp));
|
|
hot_u = hot_u->nex_u );
|
|
|
|
mpz_clear(who_mp);
|
|
if ( 0 == hot_u ) {
|
|
_unix_hot_gain(u3k(who), u3_no);
|
|
}
|
|
}
|
|
}
|
|
|
|
// find directories without owners
|
|
{
|
|
u3_uhot** het_u = &(unx_u->hot_u);
|
|
|
|
while ( 0 != (hot_u=*het_u) ) {
|
|
for ( won = u3A->own; u3_nul != won; won = u3t(won) ) {
|
|
u3_noun who = u3h(won);
|
|
mpz_t who_mp;
|
|
c3_w cmp_w;
|
|
|
|
u3_cr_mp(who_mp, who);
|
|
cmp_w = mpz_cmp(who_mp, hot_u->who_mp);
|
|
mpz_clear(who_mp);
|
|
if ( 0 == cmp_w ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( u3_nul == won ) {
|
|
*het_u = hot_u->nex_u;
|
|
|
|
// uL(fprintf(uH, "sync: lose %s\n", hot_u->dir_u.pax_c));
|
|
_unix_hot_lose(hot_u);
|
|
|
|
free(hot_u);
|
|
continue;
|
|
}
|
|
else {
|
|
het_u = &(hot_u->nex_u);
|
|
}
|
|
}
|
|
}
|
|
|
|
// update all ships
|
|
{
|
|
u3_uhot* hot_u;
|
|
|
|
for ( hot_u = unx_u->hot_u; hot_u; hot_u = hot_u->nex_u ) {
|
|
_unix_ship_update(hot_u);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* _unix_ef_sync(): check for files to sync.
|
|
*/
|
|
static void
|
|
_unix_ef_sync(uv_check_t* han_u)
|
|
{
|
|
u3_lo_open();
|
|
u3_lo_shut(u3_yes);
|
|
}
|
|
|
|
/* _unix_time_cb(): timer callback.
|
|
*/
|
|
static void
|
|
_unix_time_cb(uv_timer_t* tim_u)
|
|
{
|
|
u3_lo_open();
|
|
{
|
|
u3_cv_plan
|
|
(u3nt(u3_blip, c3__clay, u3_nul),
|
|
u3nc(c3__wake, u3_nul));
|
|
}
|
|
u3_lo_shut(u3_no);
|
|
}
|
|
|
|
/* _unix_sign_cb: signal callback.
|
|
*/
|
|
static void
|
|
_unix_sign_cb(uv_signal_t* sil_u, c3_i num_i)
|
|
{
|
|
u3_lo_open();
|
|
{
|
|
switch ( num_i ) {
|
|
default: fprintf(stderr, "\r\nmysterious signal %d\r\n", num_i); break;
|
|
|
|
case SIGTERM:
|
|
fprintf(stderr, "\r\ncaught signal %d\r\n", num_i);
|
|
u3_Host.liv = u3_no;
|
|
break;
|
|
case SIGINT:
|
|
fprintf(stderr, "\r\ninterrupt\r\n");
|
|
u3_term_ef_ctlc();
|
|
break;
|
|
case SIGWINCH: u3_term_ef_winc(); break;
|
|
// case SIGCHLD: u3_save_ef_chld(); break;
|
|
}
|
|
}
|
|
u3_lo_shut(u3_yes);
|
|
}
|
|
|
|
/* u3_unix_ef_hold()
|
|
*/
|
|
void
|
|
u3_unix_ef_hold(void)
|
|
{
|
|
u3_unix* unx_u = &u3_Host.unx_u;
|
|
u3_usig* sig_u;
|
|
|
|
for ( sig_u = unx_u->sig_u; sig_u; sig_u = sig_u->nex_u ) {
|
|
uv_signal_stop(&sig_u->sil_u);
|
|
}
|
|
}
|
|
|
|
/* u3_unix_ef_move()
|
|
*/
|
|
void
|
|
u3_unix_ef_move(void)
|
|
{
|
|
u3_unix* unx_u = &u3_Host.unx_u;
|
|
u3_usig* sig_u;
|
|
|
|
for ( sig_u = unx_u->sig_u; sig_u; sig_u = sig_u->nex_u ) {
|
|
uv_signal_start(&sig_u->sil_u, _unix_sign_cb, sig_u->num_i);
|
|
}
|
|
}
|
|
|
|
/* u3_unix_io_init(): initialize unix sync.
|
|
*/
|
|
void
|
|
u3_unix_io_init(void)
|
|
{
|
|
u3_unix* unx_u = &u3_Host.unx_u;
|
|
|
|
uv_timer_init(u3L, &unx_u->tim_u);
|
|
unx_u->alm = u3_no;
|
|
|
|
{
|
|
u3_usig* sig_u;
|
|
|
|
sig_u = c3_malloc(sizeof(u3_usig));
|
|
uv_signal_init(u3L, &sig_u->sil_u);
|
|
|
|
sig_u->num_i = SIGTERM;
|
|
sig_u->nex_u = unx_u->sig_u;
|
|
unx_u->sig_u = sig_u;
|
|
}
|
|
{
|
|
u3_usig* sig_u;
|
|
|
|
sig_u = c3_malloc(sizeof(u3_usig));
|
|
uv_signal_init(u3L, &sig_u->sil_u);
|
|
|
|
sig_u->num_i = SIGINT;
|
|
sig_u->nex_u = unx_u->sig_u;
|
|
unx_u->sig_u = sig_u;
|
|
}
|
|
{
|
|
u3_usig* sig_u;
|
|
|
|
sig_u = c3_malloc(sizeof(u3_usig));
|
|
uv_signal_init(u3L, &sig_u->sil_u);
|
|
|
|
sig_u->num_i = SIGWINCH;
|
|
sig_u->nex_u = unx_u->sig_u;
|
|
unx_u->sig_u = sig_u;
|
|
}
|
|
#if SYNCLOG
|
|
unx_u->lot_w = 0;
|
|
memset(unx_u->sylo, 0, sizeof(unx_u->sylo));
|
|
#endif
|
|
uv_check_init(u3_Host.lup_u, &u3_Host.unx_u.syn_u);
|
|
}
|
|
|
|
/* u3_unix_io_talk(): start listening for fs events.
|
|
*/
|
|
void
|
|
u3_unix_io_talk()
|
|
{
|
|
u3_unix_acquire(u3_Host.cpu_c);
|
|
u3_unix_ef_move();
|
|
uv_check_start(&u3_Host.unx_u.syn_u, _unix_ef_sync);
|
|
}
|
|
|
|
/* u3_unix_io_exit(): terminate unix I/O.
|
|
*/
|
|
void
|
|
u3_unix_io_exit(void)
|
|
{
|
|
uv_check_stop(&u3_Host.unx_u.syn_u);
|
|
u3_unix_release(u3_Host.cpu_c);
|
|
|
|
{
|
|
u3_uhot* hot_u;
|
|
|
|
for ( hot_u = u3_Host.unx_u.hot_u; hot_u; hot_u = hot_u->nex_u ) {
|
|
u3_unix_release(hot_u->dir_u.pax_c);
|
|
}
|
|
}
|
|
#ifdef SYNCLOG
|
|
for (int i = 0; i<1024; i++) {
|
|
free(u3_Host.unx_u.sylo[i].pax_c);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* u3_unix_io_poll(): update unix IO state.
|
|
*/
|
|
void
|
|
u3_unix_io_poll(void)
|
|
{
|
|
u3_unix* unx_u = &u3_Host.unx_u;
|
|
u3_noun wen = u3_cv_keep(u3nt(u3_blip, c3__clay, u3_nul));
|
|
|
|
if ( (u3_nul != wen) &&
|
|
(u3_yes == u3du(wen)) &&
|
|
(u3_yes == u3ud(u3t(wen))) )
|
|
{
|
|
c3_d gap_d = u3_time_gap_ms(u3k(u3A->now), u3k(u3t(wen)));
|
|
|
|
if ( u3_yes == unx_u->alm ) {
|
|
uv_timer_stop(&unx_u->tim_u);
|
|
}
|
|
else unx_u->alm = u3_yes;
|
|
|
|
uv_timer_start(&unx_u->tim_u, _unix_time_cb, gap_d, 0);
|
|
}
|
|
else {
|
|
if ( u3_yes == unx_u->alm ) {
|
|
uv_timer_stop(&unx_u->tim_u);
|
|
}
|
|
unx_u->alm = u3_no;
|
|
}
|
|
u3z(wen);
|
|
}
|