propagate deletions with other flag changes
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
parent
273ac899f3
commit
ecb4c7ab07
104
src/sync.c
104
src/sync.c
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@ -100,6 +100,7 @@ make_flags( int flags, char *buf )
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#define S_EXPIRED (1<<4) /* the entry is expired (slave message removal confirmed) */
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#define S_EXPIRE (1<<5) /* the entry is being expired (slave message removal scheduled) */
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#define S_NEXPIRE (1<<6) /* temporary: new expiration state */
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#define S_DELETE (1<<7) /* ephemeral: flags propagation is a deletion */
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#define mvBit(in,ib,ob) ((unsigned char)(((unsigned)in) * (ob) / (ib)))
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@ -1106,9 +1107,8 @@ typedef struct {
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sync_rec_t *srec;
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} sync_rec_map_t;
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static void flags_set_del( int sts, void *aux );
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static void flags_set_sync( int sts, void *aux );
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static void flags_set_sync_p2( sync_vars_t *svars, sync_rec_t *srec, int t );
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static void flags_set( int sts, void *aux );
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static void flags_set_p2( sync_vars_t *svars, sync_rec_t *srec, int t );
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static int msgs_flags_set( sync_vars_t *svars, int t );
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static void msg_copied( int sts, int uid, copy_vars_t *vars );
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static void msg_copied_p2( sync_vars_t *svars, sync_rec_t *srec, int t, message_t *tmsg, int uid );
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@ -1298,12 +1298,8 @@ box_loaded( int sts, void *aux )
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info( "Info: conflicting changes in (%d,%d)\n", srec->uid[M], srec->uid[S] );
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if (svars->chan->ops[t] & OP_DELETE) {
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debug( " %sing delete\n", str_hl[t] );
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svars->flags_total[t]++;
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stats( svars );
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fv = nfmalloc( sizeof(*fv) );
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fv->aux = AUX;
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fv->srec = srec;
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DRIVER_CALL(set_flags( svars->ctx[t], srec->msg[t], srec->uid[t], F_DELETED, 0, flags_set_del, fv ));
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srec->aflags[t] = F_DELETED;
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srec->status |= S_DELETE;
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} else {
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debug( " not %sing delete\n", str_hl[t] );
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}
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@ -1406,12 +1402,19 @@ box_loaded( int sts, void *aux )
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continue;
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aflags = srec->aflags[t];
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dflags = srec->dflags[t];
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if ((t == S) && ((mvBit(srec->status, S_EXPIRE, S_EXPIRED) ^ srec->status) & S_EXPIRED)) {
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/* Derive deletion action from expiration state. */
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if (srec->status & S_NEXPIRE)
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aflags |= F_DELETED;
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else
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dflags |= F_DELETED;
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if (srec->status & S_DELETE) {
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if (!aflags) {
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/* This deletion propagation goes the other way round. */
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continue;
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}
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} else {
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if ((t == S) && ((mvBit(srec->status, S_EXPIRE, S_EXPIRED) ^ srec->status) & S_EXPIRED)) {
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/* Derive deletion action from expiration state. */
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if (srec->status & S_NEXPIRE)
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aflags |= F_DELETED;
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else
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dflags |= F_DELETED;
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}
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}
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if ((svars->chan->ops[t] & OP_EXPUNGE) && (((srec->msg[t] ? srec->msg[t]->flags : 0) | aflags) & ~dflags & F_DELETED) &&
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(!svars->ctx[t]->conf->trash || svars->ctx[t]->conf->trash_only_new))
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@ -1434,9 +1437,9 @@ box_loaded( int sts, void *aux )
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fv->srec = srec;
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fv->aflags = aflags;
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fv->dflags = dflags;
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DRIVER_CALL(set_flags( svars->ctx[t], srec->msg[t], srec->uid[t], aflags, dflags, flags_set_sync, fv ));
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DRIVER_CALL(set_flags( svars->ctx[t], srec->msg[t], srec->uid[t], aflags, dflags, flags_set, fv ));
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} else
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flags_set_sync_p2( svars, srec, t );
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flags_set_p2( svars, srec, t );
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}
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}
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for (t = 0; t < 2; t++) {
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@ -1540,24 +1543,7 @@ msgs_new_done( sync_vars_t *svars, int t )
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}
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static void
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flags_set_del( int sts, void *aux )
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{
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SVARS_CHECK_RET_VARS(flag_vars_t);
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switch (sts) {
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case DRV_OK:
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vars->srec->status |= S_DEL(t);
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Fprintf( svars->jfp, "%c %d %d 0\n", "><"[t], vars->srec->uid[M], vars->srec->uid[S] );
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vars->srec->uid[1-t] = 0;
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break;
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}
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free( vars );
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svars->flags_done[t]++;
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stats( svars );
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msgs_flags_set( svars, t );
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}
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static void
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flags_set_sync( int sts, void *aux )
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flags_set( int sts, void *aux )
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{
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SVARS_CHECK_RET_VARS(flag_vars_t);
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switch (sts) {
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@ -1566,7 +1552,7 @@ flags_set_sync( int sts, void *aux )
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vars->srec->status |= S_DEL(t);
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else if (vars->dflags & F_DELETED)
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vars->srec->status &= ~S_DEL(t);
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flags_set_sync_p2( svars, vars->srec, t );
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flags_set_p2( svars, vars->srec, t );
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break;
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}
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free( vars );
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@ -1576,28 +1562,32 @@ flags_set_sync( int sts, void *aux )
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}
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static void
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flags_set_sync_p2( sync_vars_t *svars, sync_rec_t *srec, int t )
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flags_set_p2( sync_vars_t *svars, sync_rec_t *srec, int t )
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{
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int nflags, nex;
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nflags = (srec->flags | srec->aflags[t]) & ~srec->dflags[t];
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if (srec->flags != nflags) {
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debug( " pair(%d,%d): updating flags (%u -> %u; %sed)\n", srec->uid[M], srec->uid[S], srec->flags, nflags, str_hl[t] );
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srec->flags = nflags;
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Fprintf( svars->jfp, "* %d %d %u\n", srec->uid[M], srec->uid[S], nflags );
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}
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if (t == S) {
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nex = (srec->status / S_NEXPIRE) & 1;
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if (nex != ((srec->status / S_EXPIRED) & 1)) {
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if (nex && (svars->smaxxuid < srec->uid[S]))
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svars->smaxxuid = srec->uid[S];
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Fprintf( svars->jfp, "/ %d %d\n", srec->uid[M], srec->uid[S] );
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debug( " pair(%d,%d): expired %d (commit)\n", srec->uid[M], srec->uid[S], nex );
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srec->status = (srec->status & ~S_EXPIRED) | (nex * S_EXPIRED);
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} else if (nex != ((srec->status / S_EXPIRE) & 1)) {
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Fprintf( svars->jfp, "\\ %d %d\n", srec->uid[M], srec->uid[S] );
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debug( " pair(%d,%d): expire %d (cancel)\n", srec->uid[M], srec->uid[S], nex );
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srec->status = (srec->status & ~S_EXPIRE) | (nex * S_EXPIRE);
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if (srec->status & S_DELETE) {
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debug( " pair(%d,%d): resetting %s UID\n", srec->uid[M], srec->uid[S], str_ms[1-t] );
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Fprintf( svars->jfp, "%c %d %d 0\n", "><"[t], srec->uid[M], srec->uid[S] );
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srec->uid[1-t] = 0;
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} else {
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int nflags = (srec->flags | srec->aflags[t]) & ~srec->dflags[t];
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if (srec->flags != nflags) {
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debug( " pair(%d,%d): updating flags (%u -> %u; %sed)\n", srec->uid[M], srec->uid[S], srec->flags, nflags, str_hl[t] );
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srec->flags = nflags;
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Fprintf( svars->jfp, "* %d %d %u\n", srec->uid[M], srec->uid[S], nflags );
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}
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if (t == S) {
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int nex = (srec->status / S_NEXPIRE) & 1;
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if (nex != ((srec->status / S_EXPIRED) & 1)) {
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if (nex && (svars->smaxxuid < srec->uid[S]))
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svars->smaxxuid = srec->uid[S];
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Fprintf( svars->jfp, "/ %d %d\n", srec->uid[M], srec->uid[S] );
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debug( " pair(%d,%d): expired %d (commit)\n", srec->uid[M], srec->uid[S], nex );
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srec->status = (srec->status & ~S_EXPIRED) | (nex * S_EXPIRED);
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} else if (nex != ((srec->status / S_EXPIRE) & 1)) {
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Fprintf( svars->jfp, "\\ %d %d\n", srec->uid[M], srec->uid[S] );
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debug( " pair(%d,%d): expire %d (cancel)\n", srec->uid[M], srec->uid[S], nex );
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srec->status = (srec->status & ~S_EXPIRE) | (nex * S_EXPIRE);
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}
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}
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}
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}
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