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waypoint

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This commit is contained in:
Philip C Monk 2015-01-27 19:57:24 -05:00
parent a1ef36e02d
commit ab09e78a11
2 changed files with 49 additions and 28 deletions
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14
i/v/vere.h
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@ -300,8 +300,9 @@
uv_fs_event_t was_u; // stat watcher
c3_o dir; // always
c3_o dry; // ie, unmodified
c3_c* pax_c; // absolute path
struct _u3_udir* par_u; // in directory
c3_c* pax_c; // in absolute path
c3_c* pot_c; // out absolute path
struct _u3_udir* par_u; // directory
} u3_unod;
/* u3_ufil: synchronized in-file.
@ -310,8 +311,9 @@
uv_fs_event_t was_u; // stat watcher
c3_o non; // always u3_no
c3_o dry; // ie, unmodified
c3_c* pax_c; // absolute path
struct _u3_udir* par_u; // in directory
c3_c* pax_c; // in absolute path
c3_c* pot_c; // out absolute path
struct _u3_udir* par_u; // directory
c3_c* dot_c; // extension point or 0
c3_w mod_w[4]; // mtime
struct _u3_ufil* nex_u; // internal list
@ -323,7 +325,8 @@
uv_fs_event_t was_u; // stat watcher
c3_o yes; // always u3_yes
c3_o dry; // ie, unmodified
c3_c* pax_c; // absolute path
c3_c* pax_c; // in absolute path
c3_c* pot_c; // out absolute path
struct _u3_udir* par_u; // parent directory
struct _u3_udir* dis_u; // subdirectories
struct _u3_ufil* fil_u; // files
@ -334,7 +337,6 @@
*/
typedef struct _u3_uhot {
u3_udir dir_u; // in directory
c3_c* dot_u; // out directory
c3_w who_w[4]; // owner as words
struct _u3_uhot* nex_u; // internal list
} u3_uhot;

63
v/unix.c
View File

@ -249,6 +249,7 @@ static void
_unix_file_watch(u3_ufil* fil_u,
u3_udir* dir_u,
c3_c* pax_c,
c3_c* pot_c,
c3_w* mod_w)
{
// (1) build data structure
@ -256,6 +257,7 @@ _unix_file_watch(u3_ufil* fil_u,
fil_u->non = c3n;
fil_u->dry = c3n;
fil_u->pax_c = pax_c;
fil_u->pot_c = pot_c;
{
c3_c* dot_c = strrchr(pax_c, '.');
c3_c* fas_c = strrchr(pax_c, '/');
@ -297,45 +299,46 @@ _unix_file_watch(u3_ufil* fil_u,
/* _unix_file_form(): form a filename path downward.
*/
static c3_c*
_unix_file_form(u3_udir* dir_u,
_unix_file_form(c3_c* pax_c,
u3_noun pre,
u3_noun ket,
u3_noun ext)
{
c3_c* pre_c = u3r_string(pre);
c3_c* ext_c = u3r_string(ext);
c3_w pax_w = strlen(dir_u->pax_c);
c3_w pax_w = strlen(pax_c);
c3_w pre_w = strlen(pre_c);
c3_w ext_w = strlen(ext_c);
c3_w ket_w = (c3y == ket) ? 1 : 0;
c3_c* pax_c = c3_malloc(pax_w + 1 + pre_w + 1 + ket_w + ext_w + 1);
c3_c* pox_c = c3_malloc(pax_w + 1 + pre_w + 1 + ket_w + ext_w + 1);
strncpy(pax_c, dir_u->pax_c, pax_w);
pax_c[pax_w] = '/';
strncpy(pax_c + pax_w + 1, pre_c, pre_w);
pax_c[pax_w + 1 + pre_w] = '.';
strncpy(pox_c, pax_c, pax_w);
pox_c[pax_w] = '/';
strncpy(pox_c + pax_w + 1, pre_c, pre_w);
pox_c[pax_w + 1 + pre_w] = '.';
if ( c3y == ket ) {
pax_c[pax_w + 1 + pre_w + 1] = '^';
pox_c[pax_w + 1 + pre_w + 1] = '^';
}
strncpy(pax_c + pax_w + 1 + pre_w + 1 + ket_w, ext_c, ext_w);
pax_c[pax_w + 1 + pre_w + 1 + ket_w + ext_w] = '\0';
strncpy(pox_c + pax_w + 1 + pre_w + 1 + ket_w, ext_c, ext_w);
pox_c[pax_w + 1 + pre_w + 1 + ket_w + ext_w] = '\0';
free(pre_c); free(ext_c);
u3z(pre); u3z(ext);
return pax_c;
return pox_c;
}
/* _unix_dir_watch(): instantiate directory tracker.
*/
static void
_unix_dir_watch(u3_udir* dir_u, u3_udir* par_u, c3_c* pax_c)
_unix_dir_watch(u3_udir* dir_u, u3_udir* par_u, c3_c* pax_c, c3_c* pot_c)
{
// (1) build data structure
//
dir_u->yes = c3y;
dir_u->dry = c3n;
dir_u->pax_c = pax_c;
dir_u->pot_c = pot_c;
dir_u->par_u = par_u;
dir_u->dis_u = 0;
dir_u->fil_u = 0;
@ -372,17 +375,24 @@ _unix_dir_forge(u3_udir* dir_u, u3_udir* par_u, u3_noun tet)
c3_w pax_w = strlen(par_u->pax_c);
c3_w tet_w = strlen(tet_c);
c3_c* pax_c = c3_malloc(pax_w + 1 + tet_w + 1);
c3_c* pot_c = c3_malloc(pax_w + 1 + 1 + tet_w + 1);
strncpy(pax_c, par_u->pax_c, pax_w + 1);
pax_c[pax_w] = '/';
strncpy(pax_c + pax_w + 1, tet_c, tet_w + 1);
pax_c[pax_w + tet_w + 1] = '\0';
strncpy(pot_c, par_u->pot_c, pax_w + 1 + 1);
pot_c[pax_w + 1] = '/';
strncpy(pot_c + pax_w + 1 + 1, tet_c, tet_w + 1);
pot_c[pax_w + 1 + tet_w + 1] = '\0';
free(tet_c);
u3z(tet);
_unix_mkdir(pax_c);
_unix_dir_watch(dir_u, par_u, pax_c);
_unix_mkdir(pot_c);
_unix_dir_watch(dir_u, par_u, pax_c, pot_c);
}
/* _unix_file_done(): finish freeing file.
@ -544,11 +554,13 @@ _unix_dir_update(u3_udir* dir_u, DIR* rid_u)
}
else {
c3_c* pax_c = _unix_down(dir_u->pax_c, out_u->d_name);
c3_c* pot_c = _unix_down(dir_u->pot_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);
free(pot_c);
continue;
}
else {
@ -577,7 +589,7 @@ _unix_dir_update(u3_udir* dir_u, DIR* rid_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_w);
_unix_file_watch(fil_u, dir_u, pax_c, pot_c, mod_w);
fil_u->nex_u = dir_u->fil_u;
dir_u->fil_u = fil_u;
@ -596,7 +608,7 @@ _unix_dir_update(u3_udir* dir_u, DIR* rid_u)
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_watch(dis_u, dir_u, pax_c, pot_c);
_unix_dir_update(dis_u, red_u);
dis_u->nex_u = dir_u->dis_u;
@ -605,6 +617,7 @@ _unix_dir_update(u3_udir* dir_u, DIR* rid_u)
closedir(red_u);
} else {
free(pax_c);
free(pot_c);
}
}
}
@ -1091,9 +1104,7 @@ _unix_hot_gain(u3_noun who, u3_noun mek)
{
u3_uhot* hot_u = c3_malloc(sizeof(u3_uhot));
_unix_dir_watch(&hot_u->dir_u, 0, pin_c);
hot_u->dot_u = pot_c;
_unix_dir_watch(&hot_u->dir_u, 0, pin_c, pot_c);
_unix_ship_out(who, hot_u->who_w);
u3z(who);
@ -1165,8 +1176,10 @@ _unix_desk_sync_tofu(u3_udir* dir_u,
u3_noun ext,
u3_noun mis)
{
c3_c* pox_c = _unix_file_form(dir_u, u3k(pre), c3n, u3k(ext));
c3_c* pux_c = _unix_file_form(dir_u, u3k(pre), c3y, u3k(ext));
c3_c* pox_c = _unix_file_form(dir_u->pax_c, u3k(pre), c3n, u3k(ext));
c3_c* pot_c = _unix_file_form(dir_u->pot_c, u3k(pre), c3n, u3k(ext));
c3_c* pux_c = _unix_file_form(dir_u->pax_c, u3k(pre), c3y, u3k(ext));
c3_c* put_c = _unix_file_form(dir_u->pot_c, u3k(pre), c3y, u3k(ext));
u3_ufil** fil_u;
// uL(fprintf(uH, "tofu pox_c %s op %s\n", pox_c, u3r_string(u3h(mis))));
@ -1203,11 +1216,14 @@ _unix_desk_sync_tofu(u3_udir* dir_u,
_unix_file_free(ded_u);
free(pox_c);
free(pot_c);
free(pux_c);
free(put_c);
}
else {
u3_noun god, oat;
c3_c* pax_c;
c3_c* pat_c;
if ( *fil_u ) {
u3_noun old = _unix_file_load(*fil_u);
@ -1225,9 +1241,11 @@ _unix_desk_sync_tofu(u3_udir* dir_u,
if ( c3y == u3du(god) ) {
oat = u3ke_jam(god);
pax_c = pux_c; free(pox_c);
pat_c = put_c; free(pot_c);
} else {
oat = god;
pax_c = pox_c; free(pux_c);
pat_c = pot_c; free(put_c);
}
#ifdef SYNCLOG
@ -1238,10 +1256,12 @@ _unix_desk_sync_tofu(u3_udir* dir_u,
#endif
_unix_save(pax_c, oat);
_unix_save(pat_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;
(*fil_u)->pot_c = pat_c;
u3r_words(0, 4, (*fil_u)->mod_w, u3A->now);
}
@ -1251,7 +1271,7 @@ _unix_desk_sync_tofu(u3_udir* dir_u,
u3r_words(0, 4, mod_w, u3A->now);
*fil_u = c3_malloc(sizeof(u3_ufil));
_unix_file_watch(*fil_u, dir_u, pax_c, mod_w);
_unix_file_watch(*fil_u, dir_u, pax_c, pat_c, mod_w);
}
}
u3z(pre); u3z(ext); u3z(mis);
@ -1438,7 +1458,6 @@ u3_unix_ef_look(void)
// uL(fprintf(uH, "sync: lose %s\n", hot_u->dir_u.pax_c));
_unix_hot_lose(hot_u);
free(hot_u->dot_u);
free(hot_u);
continue;
}