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vere: adds version to lmdb meta table, removes unnecessary jam

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This commit is contained in:
Joe Bryan 2020-11-20 00:26:51 -08:00
parent ba51599e15
commit d1294f9083
1 changed files with 39 additions and 47 deletions
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86
pkg/urbit/vere/disk.c
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@ -488,19 +488,15 @@ u3_disk_read(u3_disk* log_u, c3_d eve_d, c3_d len_d)
static c3_o
_disk_save_meta(u3_disk* log_u, const c3_c* key_c, u3_atom dat)
{
u3_atom mat = u3ke_jam(dat);
c3_w len_w = u3r_met(3, mat);
c3_w len_w = u3r_met(3, dat);
c3_y* byt_y = c3_malloc(len_w);
c3_o ret_o;
u3r_bytes(0, len_w, byt_y, dat);
u3r_bytes(0, len_w, byt_y, mat);
ret_o = u3_lmdb_save_meta(log_u->mdb_u, key_c, len_w, byt_y);
u3z(mat);
c3_free(byt_y);
return ret_o;
{
c3_o ret_o = u3_lmdb_save_meta(log_u->mdb_u, key_c, len_w, byt_y);
c3_free(byt_y);
return ret_o;
}
}
/* u3_disk_save_meta(): save metadata.
@ -513,8 +509,9 @@ u3_disk_save_meta(u3_disk* log_u,
{
c3_assert( c3y == u3a_is_cat(lif_w) );
if ( (c3n == _disk_save_meta(log_u, "who", u3i_chubs(2, who_d)))
|| (c3n == _disk_save_meta(log_u, "is-fake", fak_o))
if ( (c3n == _disk_save_meta(log_u, "version", 1))
|| (c3n == _disk_save_meta(log_u, "who", u3i_chubs(2, who_d)))
|| (c3n == _disk_save_meta(log_u, "fake", fak_o))
|| (c3n == _disk_save_meta(log_u, "life", lif_w)) )
{
return c3n;
@ -540,24 +537,8 @@ _disk_meta_read_cb(void* ptr_v, size_t val_i, void* val_p)
static u3_weak
_disk_read_meta(u3_disk* log_u, const c3_c* key_c)
{
u3_weak mat = u3_none;
u3_weak dat = u3_none;
u3_noun pro;
u3_lmdb_read_meta(log_u->mdb_u, &mat, key_c, _disk_meta_read_cb);
if ( u3_none != mat ) {
pro = u3m_soft(0, u3ke_cue, mat);
if ( u3_blip != u3h(pro) ) {
fprintf(stderr, "disk: meta cue failed\r\n");
}
else {
dat = u3k(u3t(pro));
}
}
u3z(pro);
u3_lmdb_read_meta(log_u->mdb_u, &dat, key_c, _disk_meta_read_cb);
return dat;
}
@ -569,34 +550,45 @@ u3_disk_read_meta(u3_disk* log_u,
c3_o* fak_o,
c3_w* lif_w)
{
u3_weak who = _disk_read_meta(log_u, "who");
u3_weak fak = _disk_read_meta(log_u, "is-fake");
u3_weak lif = _disk_read_meta(log_u, "life");
u3_weak ver, who, fak, lif;
if ( u3_none == who ) {
if ( u3_none == (ver = _disk_read_meta(log_u, "version")) ) {
fprintf(stderr, "disk: read meta: no version\r\n");
return c3n;
}
if ( u3_none == (who = _disk_read_meta(log_u, "who")) ) {
fprintf(stderr, "disk: read meta: no indentity\r\n");
return c3n;
}
else if ( u3_none == fak ) {
if ( u3_none == (fak = _disk_read_meta(log_u, "fake")) ) {
fprintf(stderr, "disk: read meta: no fake bit\r\n");
u3z(who);
return c3n;
}
else if ( u3_none == lif ) {
if ( u3_none == (lif = _disk_read_meta(log_u, "life")) ) {
fprintf(stderr, "disk: read meta: no lifecycle length\r\n");
u3z(who);
return c3n;
}
if ( !((c3y == fak ) || (c3n == fak )) ) {
fprintf(stderr, "disk: read meta: invalid fake bit\r\n");
u3z(who); u3z(fak); u3z(lif);
return c3n;
}
else if ( c3n == u3a_is_cat(lif) ) {
fprintf(stderr, "disk: read meta: invalid lifecycle length\r\n");
u3z(who); u3z(fak); u3z(lif);
return c3n;
{
c3_o val_o = c3y;
if ( 1 != ver ) {
fprintf(stderr, "disk: read meta: unknown version %u\r\n", ver);
val_o = c3n;
}
else if ( !((c3y == fak ) || (c3n == fak )) ) {
fprintf(stderr, "disk: read meta: invalid fake bit\r\n");
val_o = c3n;
}
else if ( c3n == u3a_is_cat(lif) ) {
fprintf(stderr, "disk: read meta: invalid lifecycle length\r\n");
val_o = c3n;
}
if ( c3n == val_o ) {
u3z(ver); u3z(who); u3z(fak); u3z(lif);
return c3n;
}
}
if ( who_d ) {