vere: remove walk, move save to unix

This commit is contained in:
Jōshin 2022-01-31 13:19:32 -06:00
parent 7fc9db8c9a
commit b8277be5b2
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GPG Key ID: A8BE5A9A521639D0
5 changed files with 91 additions and 382 deletions

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@ -1034,33 +1034,6 @@
void
u3_lord_peek(u3_lord* god_u, u3_pico* pic_u);
/** Filesystem (new api).
**/
/* u3_walk_load(): load file or bail.
*/
u3_noun
u3_walk_load(c3_c* pas_c);
/* u3_walk_safe(): load file or 0.
*/
u3_noun
u3_walk_safe(c3_c* pas_c);
/* u3_walk_save(): save file or bail.
*/
void
u3_walk_save(c3_c* pas_c, u3_noun tim, u3_atom pad, c3_c* bas_c, u3_noun pax);
/* u3_walk(): traverse `dir_c` to produce an arch, updating `old`.
*/
u3_noun
u3_walk(const c3_c* dir_c, u3_noun old);
/* u3_path(): C unix path in computer for file or directory.
*/
c3_c*
u3_path(c3_o fyl, u3_noun pax);
/** Filesystem (async)
**/
/* u3_foil_folder(): load directory, blockingly. create if nonexistent.
@ -1168,6 +1141,11 @@
/** Storage, new school.
**/
/* u3_unix_save(): save file undir .../.urb/[bas_m] or bail.
*/
void
u3_unix_save(c3_m bas_m, c3_c* pax_c, u3_atom pad);
/* u3_unix_cane(): true iff (unix) path is canonical.
*/
c3_t

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@ -549,14 +549,13 @@ _term_it_show_more(u3_utty* uty_u)
/* _term_it_path(): path for console file.
*/
static c3_c*
_term_it_path(c3_o fyl, u3_noun pax)
_term_it_path(u3_noun pax)
{
c3_w len_w;
c3_w len_w = 0;
c3_c *pas_c;
// measure
//
len_w = strlen(u3_Host.dir_c);
{
u3_noun wiz = pax;
@ -569,7 +568,6 @@ _term_it_path(c3_o fyl, u3_noun pax)
// cut
//
pas_c = c3_malloc(len_w + 1);
strncpy(pas_c, u3_Host.dir_c, len_w);
pas_c[len_w] = '\0';
{
u3_noun wiz = pax;
@ -578,7 +576,7 @@ _term_it_path(c3_o fyl, u3_noun pax)
while ( u3_nul != wiz ) {
c3_w tis_w = u3r_met(3, u3h(wiz));
if ( (c3y == fyl) && (u3_nul == u3t(wiz)) ) {
if ( (u3_nul == u3t(wiz)) ) {
*waq_c++ = '.';
} else *waq_c++ = '/';
@ -598,27 +596,10 @@ _term_it_path(c3_o fyl, u3_noun pax)
static void
_term_it_save(u3_noun pax, u3_noun pad)
{
c3_c* pax_c;
c3_c* bas_c = 0;
c3_w xap_w = u3kb_lent(u3k(pax));
u3_noun xap = u3_nul;
u3_noun urb = c3_s4('.','u','r','b');
u3_noun put = c3_s3('p','u','t');
// directory base and relative path
if ( 2 < xap_w ) {
u3_noun bas = u3nt(urb, put, u3_nul);
bas_c = _term_it_path(c3n, bas);
xap = u3qb_scag(xap_w - 2, pax);
}
pax = u3nt(urb, put, pax);
pax_c = _term_it_path(c3y, pax);
u3_walk_save(pax_c, 0, pad, bas_c, xap);
c3_c* pax_c = _term_it_path(pax);
u3_unix_save(c3__put, pax_c, pad);
c3_free(pax_c);
c3_free(bas_c);
}
/* _term_ovum_plan(): plan term ovums, configuring spinner.

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@ -243,6 +243,83 @@ _unix_string_to_path(u3_unix* unx_u, c3_c* pax_c)
}
}
/* _unix_mkdirp(): recursive mkdir of dirname of pax_c.
*/
static void
_unix_mkdirp(c3_c* pax_c)
{
c3_c* fas_c = strchr(pax_c + 1, '/');
while ( fas_c ) {
*fas_c = 0;
if ( 0 != mkdir(pax_c, 0777) && EEXIST != errno ) {
u3l_log("unix: mkdir %s: %s\n", pax_c, strerror(errno));
u3m_bail(c3__fail);
}
*fas_c++ = '/';
fas_c = strchr(fas_c, '/');
}
}
/* u3_unix_save(): save file under .../.urb/[bas_m] or bail.
**
** XX this is quite bad, and doesn't share much in common with
** the rest of unix.c. at minimum it should instead take pax as
** a noun and build the C path from that. it would also be nice
** if it could take a u3_udir or something corresponding to the
** base directory.
*/
void
u3_unix_save(c3_m bas_m, c3_c* pax_c, u3_atom pad)
{
c3_i fid_i;
c3_w lod_w, len_w, fln_w, rit_w;
c3_y* pad_y;
c3_c* ful_c;
c3_assert(3 == u3r_met(3, bas_m));
c3_assert(c3_s3('b','h','k') != bas_m &&
c3_s3('c','h','k') != bas_m &&
c3_s3('g','e','t') != bas_m &&
c3_s3('l','o','g') != bas_m);
if ( '/' == *pax_c) {
pax_c++;
}
if ( !u3_unix_cane(pax_c) ) {
u3l_log("%s: non-canonical path\n", pax_c);
u3z(pad); u3m_bail(c3__fail);
}
lod_w = strlen(u3_Host.dir_c);
len_w = lod_w + sizeof("/.urb/xxx/") + strlen(pax_c);
ful_c = c3_malloc(len_w);
rit_w = snprintf(ful_c, len_w, "%s/.urb/xxx/%s", u3_Host.dir_c, pax_c);
c3_assert(len_w == rit_w + 1);
u3r_bytes(0, 3, (c3_y*)ful_c + lod_w + sizeof("/.urb/") - 1, bas_m);
_unix_mkdirp(ful_c);
fid_i = c3_open(ful_c, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if ( fid_i < 0 ) {
u3l_log("%s: %s\n", ful_c, strerror(errno));
c3_free(ful_c);
u3z(pad); u3m_bail(c3__fail);
}
fln_w = u3r_met(3, pad);
pad_y = c3_malloc(fln_w);
u3r_bytes(0, fln_w, pad_y, pad);
u3z(pad);
rit_w = write(fid_i, pad_y, fln_w);
close(fid_i);
c3_free(pad_y);
if ( rit_w != fln_w ) {
u3l_log("%s: %s\n", ful_c, strerror(errno));
c3_free(ful_c);
u3m_bail(c3__fail);
}
c3_free(ful_c);
}
/* _unix_rm_r_cb(): callback to delete individual files/directories
*/
static c3_i

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@ -526,12 +526,11 @@ _pier_on_scry_done(void* ptr_v, u3_noun nun)
// if serialization and export path succeeded, write to disk
//
if ( (u3_none != out) && (u3_none != pad) ) {
c3_c fil_c[2048];
snprintf(fil_c, 2048, "%s/.urb/put/%s.%s",
pir_u->pax_c, pac_c+1, ext_c);
c3_c fil_c[256];
snprintf(fil_c, 256, "%s.%s", pac_c + 1, ext_c);
u3_walk_save(fil_c, 0, out, pir_u->pax_c, pad);
u3l_log("pier: scry result in %s\n", fil_c);
u3_unix_save(c3__put, fil_c, pad);
u3l_log("pier: scry result in %s/.urb/put/%s\n", u3_Host.dir_c, fil_c);
}
}

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@ -1,326 +0,0 @@
/* vere/walk.c
**
*/
#include "all.h"
#include "vere/vere.h"
/* |%
** ++ arch :: fs node
** $% [& p=@uvI q=*] :: file, hash/data
** [| p=(map ,@ta arch)] :: directory
** == ::
** --
*/
#if 0
static u3_noun
_walk_ok(u3_noun nod)
{
u3_noun don = u3n_mung(u3k(u2A->toy.arch), u3k(nod));
if ( c3n == u3_sing(nod, don) ) {
c3_assert(0);
}
u3z(don);
return nod;
}
#endif
/* u3_walk_safe(): load file or 0.
*/
u3_noun
u3_walk_safe(c3_c* pas_c)
{
struct stat buf_b;
c3_i fid_i = c3_open(pas_c, O_RDONLY, 0644);
c3_w fln_w, red_w;
c3_y* pad_y;
if ( (fid_i < 0) || (fstat(fid_i, &buf_b) < 0) ) {
// u3l_log("%s: %s\n", pas_c, strerror(errno));
return 0;
}
fln_w = buf_b.st_size;
pad_y = c3_malloc(buf_b.st_size);
red_w = read(fid_i, pad_y, fln_w);
close(fid_i);
if ( fln_w != red_w ) {
c3_free(pad_y);
return 0;
}
else {
u3_noun pad = u3i_bytes(fln_w, (c3_y *)pad_y);
c3_free(pad_y);
return pad;
}
}
/* u3_walk_load(): load file or bail.
*/
u3_noun
u3_walk_load(c3_c* pas_c)
{
struct stat buf_b;
c3_i fid_i = c3_open(pas_c, O_RDONLY, 0644);
c3_w fln_w, red_w;
c3_y* pad_y;
if ( (fid_i < 0) || (fstat(fid_i, &buf_b) < 0) ) {
u3l_log("%s: %s\n", pas_c, strerror(errno));
return u3m_bail(c3__fail);
}
fln_w = buf_b.st_size;
pad_y = c3_malloc(buf_b.st_size);
red_w = read(fid_i, pad_y, fln_w);
close(fid_i);
if ( fln_w != red_w ) {
c3_free(pad_y);
u3l_log("u3_walk_load failed");
return u3m_bail(c3__fail);
}
else {
u3_noun pad = u3i_bytes(fln_w, (c3_y *)pad_y);
c3_free(pad_y);
return pad;
}
}
/* _walk_mkdirp(): recursively make directories in pax at bas_c (RETAIN)
*/
static void
_walk_mkdirp(c3_c* bas_c, u3_noun pax)
{
c3_c* pax_c;
c3_y* waq_y;
c3_w pax_w, fas_w, len_w;
if ( u3_nul == pax ) {
return;
}
pax_w = u3r_met(3, u3h(pax));
fas_w = strlen(bas_c);
len_w = 1 + fas_w + pax_w;
pax_c = c3_malloc(1 + len_w);
strcpy(pax_c, bas_c);
pax_c[fas_w] = '/';
waq_y = (void*)(1 + pax_c + fas_w);
u3r_bytes(0, pax_w, waq_y, u3h(pax));
pax_c[len_w] = '\0';
if ( 0 != c3_mkdir(pax_c, 0755) && EEXIST != errno ) {
u3l_log("error mkdiring %s: %s\n", pax_c, strerror(errno));
u3m_bail(c3__fail);
}
_walk_mkdirp(pax_c, u3t(pax));
c3_free(pax_c);
}
/* u3_walk_save(): save file or bail.
*/
void
u3_walk_save(c3_c* pas_c, u3_noun tim, u3_atom pad, c3_c* bas_c, u3_noun pax)
{
c3_i fid_i = c3_open(pas_c, O_WRONLY | O_CREAT | O_TRUNC, 0666);
c3_w fln_w, rit_w;
c3_y* pad_y;
if ( fid_i < 0 ) {
if ( ENOENT == errno && u3_nul != pax ) {
_walk_mkdirp(bas_c, pax);
return u3_walk_save(pas_c, tim, pad, 0, u3_nul);
}
u3l_log("%s: %s\n", pas_c, strerror(errno));
u3m_bail(c3__fail);
}
fln_w = u3r_met(3, pad);
pad_y = c3_malloc(fln_w);
u3r_bytes(0, fln_w, pad_y, pad);
u3z(pad);
u3z(pax);
rit_w = write(fid_i, pad_y, fln_w);
close(fid_i);
c3_free(pad_y);
if ( rit_w != fln_w ) {
u3l_log("%s: %s\n", pas_c, strerror(errno));
u3m_bail(c3__fail);
}
if ( 0 != tim ) {
struct timeval tim_tv[2];
u3_time_out_tv(&tim_tv[0], u3k(tim));
u3_time_out_tv(&tim_tv[1], tim);
utimes(pas_c, tim_tv);
}
}
/* _walk_in(): inner loop of _walk(), producing map.
*/
static u3_noun
_walk_in(const c3_c* dir_c, c3_w len_w)
{
DIR* dir_d = c3_opendir(dir_c);
u3_noun map = u3_nul;
if ( !dir_d ) {
return u3_nul;
}
else while ( 1 ) {
struct dirent ent_n;
struct dirent* out_n;
if ( u3_readdir_r(dir_d, &ent_n, &out_n) != 0 ) {
u3l_log("%s: %s\n", dir_c, strerror(errno));
break;
}
else if ( !out_n ) {
break;
}
else if ( !strcmp(out_n->d_name, ".") ||
!strcmp(out_n->d_name, "..") ||
('~' == out_n->d_name[0]) ||
('.' == out_n->d_name[0]) ) // XX restricts some spans
{
continue;
}
else {
c3_c* fil_c = out_n->d_name;
c3_w lef_w = len_w + 1 + strlen(fil_c);
c3_c* pat_c = c3_malloc(lef_w + 1);
struct stat buf_b;
strncpy(pat_c, dir_c, lef_w);
pat_c[len_w] = '/';
strncpy(pat_c + len_w + 1, fil_c, lef_w);
pat_c[lef_w] = '\0';
if ( 0 != stat(pat_c, &buf_b) ) {
c3_free(pat_c);
} else {
u3_noun tim = c3_stat_mtime(&buf_b);
if ( !S_ISDIR(buf_b.st_mode) ) {
c3_c* dot_c = strrchr(fil_c, '.');
c3_c* nam_c = strdup(fil_c);
c3_c* ext_c = strdup(dot_c + 1);
nam_c[dot_c - fil_c] = 0;
{
u3_noun nam = u3i_string(nam_c);
u3_noun ext = u3i_string(ext_c);
u3_noun get = u3kdb_get(u3k(map), u3k(nam));
u3_noun dat = u3_walk_load(pat_c);
u3_noun hax;
if ( !strcmp("noun", ext_c) ) {
dat = u3ke_cue(dat);
}
hax = u3do("sham", u3k(dat));
if ( u3_none == get ) { get = u3_nul; }
get = u3kdb_put(get, ext, u3nt(c3y, hax, dat));
map = u3kdb_put(map, nam, u3nc(c3n, get));
}
c3_free(nam_c);
c3_free(ext_c);
}
else {
u3_noun dir = _walk_in(pat_c, lef_w);
if ( u3_nul != dir ) {
map = u3kdb_put
(map, u3i_string(fil_c), u3nc(c3n, dir));
}
else u3z(tim);
}
c3_free(pat_c);
}
}
}
closedir(dir_d);
return map;
}
/* u3_walk(): traverse `dir_c` to produce an arch, updating `old`.
*/
u3_noun
u3_walk(const c3_c* dir_c, u3_noun old)
{
// XX - obviously, cheaper to update old data.
u3z(old);
{
struct stat buf_b;
if ( 0 != stat(dir_c, &buf_b) ) {
u3l_log("can't stat %s\n", dir_c);
// return u3m_bail(c3__fail);
c3_assert(0);
}
else {
return u3nc(c3n,
_walk_in(dir_c, strlen(dir_c)));
}
}
}
/* u3_path(): C unix path in computer for file or directory.
*/
c3_c*
u3_path(c3_o fyl, u3_noun pax)
{
c3_w len_w;
c3_c *pas_c;
// measure
//
len_w = strlen(u3_Local);
{
u3_noun wiz = pax;
while ( u3_nul != wiz ) {
len_w += (1 + u3r_met(3, u3h(wiz)));
wiz = u3t(wiz);
}
}
// cut
//
pas_c = c3_malloc(len_w + 1);
strncpy(pas_c, u3_Local, len_w);
pas_c[len_w] = '\0';
{
u3_noun wiz = pax;
c3_c* waq_c = (pas_c + strlen(pas_c));
while ( u3_nul != wiz ) {
c3_w tis_w = u3r_met(3, u3h(wiz));
if ( (c3y == fyl) && (u3_nul == u3t(wiz)) ) {
*waq_c++ = '.';
} else *waq_c++ = '/';
u3r_bytes(0, tis_w, (c3_y*)waq_c, u3h(wiz));
waq_c += tis_w;
wiz = u3t(wiz);
}
*waq_c = 0;
}
u3z(pax);
return pas_c;
}