lobo/isync
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propagate deletions with other flag changes

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less code duplication, more logical order of issued driver commands
(especially after the next commit), and the "side effect" of letting the
message expiration code see those deletions if they are asynchronous.
This commit is contained in:
Oswald Buddenhagen 2013-11-24 15:58:32 +01:00
parent 273ac899f3
commit ecb4c7ab07
1 changed files with 47 additions and 57 deletions
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60
src/sync.c
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@ -100,6 +100,7 @@ make_flags( int flags, char *buf )
#define S_EXPIRED (1<<4) /* the entry is expired (slave message removal confirmed) */
#define S_EXPIRE (1<<5) /* the entry is being expired (slave message removal scheduled) */
#define S_NEXPIRE (1<<6) /* temporary: new expiration state */
#define S_DELETE (1<<7) /* ephemeral: flags propagation is a deletion */
#define mvBit(in,ib,ob) ((unsigned char)(((unsigned)in) * (ob) / (ib)))
@ -1106,9 +1107,8 @@ typedef struct {
sync_rec_t *srec;
} sync_rec_map_t;
static void flags_set_del( int sts, void *aux );
static void flags_set_sync( int sts, void *aux );
static void flags_set_sync_p2( sync_vars_t *svars, sync_rec_t *srec, int t );
static void flags_set( int sts, void *aux );
static void flags_set_p2( sync_vars_t *svars, sync_rec_t *srec, int t );
static int msgs_flags_set( sync_vars_t *svars, int t );
static void msg_copied( int sts, int uid, copy_vars_t *vars );
static void msg_copied_p2( sync_vars_t *svars, sync_rec_t *srec, int t, message_t *tmsg, int uid );
@ -1298,12 +1298,8 @@ box_loaded( int sts, void *aux )
info( "Info: conflicting changes in (%d,%d)\n", srec->uid[M], srec->uid[S] );
if (svars->chan->ops[t] & OP_DELETE) {
debug( " %sing delete\n", str_hl[t] );
svars->flags_total[t]++;
stats( svars );
fv = nfmalloc( sizeof(*fv) );
fv->aux = AUX;
fv->srec = srec;
DRIVER_CALL(set_flags( svars->ctx[t], srec->msg[t], srec->uid[t], F_DELETED, 0, flags_set_del, fv ));
srec->aflags[t] = F_DELETED;
srec->status |= S_DELETE;
} else {
debug( " not %sing delete\n", str_hl[t] );
}
@ -1406,6 +1402,12 @@ box_loaded( int sts, void *aux )
continue;
aflags = srec->aflags[t];
dflags = srec->dflags[t];
if (srec->status & S_DELETE) {
if (!aflags) {
/* This deletion propagation goes the other way round. */
continue;
}
} else {
if ((t == S) && ((mvBit(srec->status, S_EXPIRE, S_EXPIRED) ^ srec->status) & S_EXPIRED)) {
/* Derive deletion action from expiration state. */
if (srec->status & S_NEXPIRE)
@ -1413,6 +1415,7 @@ box_loaded( int sts, void *aux )
else
dflags |= F_DELETED;
}
}
if ((svars->chan->ops[t] & OP_EXPUNGE) && (((srec->msg[t] ? srec->msg[t]->flags : 0) | aflags) & ~dflags & F_DELETED) &&
(!svars->ctx[t]->conf->trash || svars->ctx[t]->conf->trash_only_new))
{
@ -1434,9 +1437,9 @@ box_loaded( int sts, void *aux )
fv->srec = srec;
fv->aflags = aflags;
fv->dflags = dflags;
DRIVER_CALL(set_flags( svars->ctx[t], srec->msg[t], srec->uid[t], aflags, dflags, flags_set_sync, fv ));
DRIVER_CALL(set_flags( svars->ctx[t], srec->msg[t], srec->uid[t], aflags, dflags, flags_set, fv ));
} else
flags_set_sync_p2( svars, srec, t );
flags_set_p2( svars, srec, t );
}
}
for (t = 0; t < 2; t++) {
@ -1540,24 +1543,7 @@ msgs_new_done( sync_vars_t *svars, int t )
}
static void
flags_set_del( int sts, void *aux )
{
SVARS_CHECK_RET_VARS(flag_vars_t);
switch (sts) {
case DRV_OK:
vars->srec->status |= S_DEL(t);
Fprintf( svars->jfp, "%c %d %d 0\n", "><"[t], vars->srec->uid[M], vars->srec->uid[S] );
vars->srec->uid[1-t] = 0;
break;
}
free( vars );
svars->flags_done[t]++;
stats( svars );
msgs_flags_set( svars, t );
}
static void
flags_set_sync( int sts, void *aux )
flags_set( int sts, void *aux )
{
SVARS_CHECK_RET_VARS(flag_vars_t);
switch (sts) {
@ -1566,7 +1552,7 @@ flags_set_sync( int sts, void *aux )
vars->srec->status |= S_DEL(t);
else if (vars->dflags & F_DELETED)
vars->srec->status &= ~S_DEL(t);
flags_set_sync_p2( svars, vars->srec, t );
flags_set_p2( svars, vars->srec, t );
break;
}
free( vars );
@ -1576,18 +1562,21 @@ flags_set_sync( int sts, void *aux )
}
static void
flags_set_sync_p2( sync_vars_t *svars, sync_rec_t *srec, int t )
flags_set_p2( sync_vars_t *svars, sync_rec_t *srec, int t )
{
int nflags, nex;
nflags = (srec->flags | srec->aflags[t]) & ~srec->dflags[t];
if (srec->status & S_DELETE) {
debug( " pair(%d,%d): resetting %s UID\n", srec->uid[M], srec->uid[S], str_ms[1-t] );
Fprintf( svars->jfp, "%c %d %d 0\n", "><"[t], srec->uid[M], srec->uid[S] );
srec->uid[1-t] = 0;
} else {
int nflags = (srec->flags | srec->aflags[t]) & ~srec->dflags[t];
if (srec->flags != nflags) {
debug( " pair(%d,%d): updating flags (%u -> %u; %sed)\n", srec->uid[M], srec->uid[S], srec->flags, nflags, str_hl[t] );
srec->flags = nflags;
Fprintf( svars->jfp, "* %d %d %u\n", srec->uid[M], srec->uid[S], nflags );
}
if (t == S) {
nex = (srec->status / S_NEXPIRE) & 1;
int nex = (srec->status / S_NEXPIRE) & 1;
if (nex != ((srec->status / S_EXPIRED) & 1)) {
if (nex && (svars->smaxxuid < srec->uid[S]))
svars->smaxxuid = srec->uid[S];
@ -1601,6 +1590,7 @@ flags_set_sync_p2( sync_vars_t *svars, sync_rec_t *srec, int t )
}
}
}
}
static void msg_trashed( int sts, void *aux );
static void msg_rtrashed( int sts, int uid, copy_vars_t *vars );