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mbsync
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wrap jFprintf()+debug() into a macro 

this ensures that everything that is logged to the journal also appears
in the debug output, and it makes the code less noisy.
1.4
Oswald Buddenhagen 5 years ago
parent
198ca65b6e
commit
d93726067d
2 changed files with 50 additions and 54 deletions
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  1. 7
      src/common.h
  2. 97
      src/sync.c

7
src/common.h
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@ -40,6 +40,13 @@ typedef unsigned long ulong;
#define stringify__(x) #x
#define stringify(x) stringify__(x)
// From https://stackoverflow.com/a/62984543/3685191
#define deparen(x) esc_(ish_ x)
#define esc_(...) esc__(__VA_ARGS__)
#define esc__(...) van_ ## __VA_ARGS__
#define ish_(...) ish_ __VA_ARGS__
#define van_ish_
#define shifted_bit(in, from, to) \
((int)(((uint)(in) / (from > to ? from / to : 1) * (to > from ? to / from : 1)) & to))

97
src/sync.c
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@ -233,6 +233,18 @@ jFprintf( sync_vars_t *svars, const char *msg, ... )
exit( 100 );
}
#define JLOG_(log_fmt, log_args, dbg_fmt, ...) \
do { \
debug( "-> log: " log_fmt " (" dbg_fmt ")\n", __VA_ARGS__ ); \
jFprintf( svars, log_fmt "\n", deparen(log_args) ); \
} while (0)
#define JLOG3(log_fmt, log_args, dbg_fmt) \
JLOG_(log_fmt, log_args, dbg_fmt, deparen(log_args))
#define JLOG4(log_fmt, log_args, dbg_fmt, dbg_args) \
JLOG_(log_fmt, log_args, dbg_fmt, deparen(log_args), deparen(dbg_args))
#define JLOG_SEL(_1, _2, _3, _4, x, ...) x
#define JLOG(...) JLOG_SEL(__VA_ARGS__, JLOG4, JLOG3, NO_JLOG2, NO_JLOG1)(__VA_ARGS__)
static void
match_tuids( sync_vars_t *svars, int t, message_t *msgs )
{
@ -245,7 +257,7 @@ match_tuids( sync_vars_t *svars, int t, message_t *msgs )
if (srec->status & S_DEAD)
continue;
if (!srec->uid[t] && srec->tuid[0]) {
debug( " pair(%u,%u): lookup %s, TUID %." stringify(TUIDL) "s\n", srec->uid[M], srec->uid[S], str_ms[t], srec->tuid );
debug( "pair(%u,%u) TUID %." stringify(TUIDL) "s\n", srec->uid[M], srec->uid[S], srec->tuid );
for (tmsg = ntmsg; tmsg; tmsg = tmsg->next) {
if (tmsg->status & M_DEAD)
continue;
@ -262,15 +274,13 @@ match_tuids( sync_vars_t *svars, int t, message_t *msgs )
goto mfound;
}
}
debug( " -> TUID lost\n" );
jFprintf( svars, "& %u %u\n", srec->uid[M], srec->uid[S] );
JLOG( "& %u %u", (srec->uid[M], srec->uid[S]), "TUID lost" );
// Note: status remains S_PENDING.
srec->tuid[0] = 0;
num_lost++;
continue;
mfound:
debug( " -> new UID %u %s\n", tmsg->uid, diag );
jFprintf( svars, "%c %u %u %u\n", "<>"[t], srec->uid[M], srec->uid[S], tmsg->uid );
JLOG( "%c %u %u %u", ("<>"[t], srec->uid[M], srec->uid[S], tmsg->uid), "TUID matched %s", diag );
tmsg->srec = srec;
srec->msg[t] = tmsg;
ntmsg = tmsg->next;
@ -1496,7 +1506,7 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
if (svars->uidval[M] == UIDVAL_BAD || svars->uidval[S] == UIDVAL_BAD) {
svars->uidval[M] = svars->newuidval[M];
svars->uidval[S] = svars->newuidval[S];
jFprintf( svars, "| %u %u\n", svars->uidval[M], svars->uidval[S] );
JLOG( "| %u %u", (svars->uidval[M], svars->uidval[S]), "new UIDVALIDITYs" );
}
info( "Synchronizing...\n" );
@ -1516,9 +1526,8 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
// It does not matter whether one side was already known to be missing
// (never stored [skipped or failed] or expunged [possibly expired]) -
// now both are missing, so the entry is superfluous.
debug( " vanished\n" );
srec->status = S_DEAD;
jFprintf( svars, "- %u %u\n", srec->uid[M], srec->uid[S] );
JLOG( "- %u %u", (srec->uid[M], srec->uid[S]), "both missing" );
} else {
// del[] means that a message becomes known to have been expunged.
del[M] = no[M] && srec->uid[M];
@ -1540,8 +1549,7 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
// The target may be in an unknown state (not fetched).
if ((t == M) && (srec->status & (S_EXPIRE|S_EXPIRED))) {
/* Don't propagate deletion resulting from expiration. */
debug( " slave expired, orphaning master\n" );
jFprintf( svars, "> %u %u 0\n", srec->uid[M], srec->uid[S] );
JLOG( "> %u %u 0", (srec->uid[M], srec->uid[S]), "slave expired, orphaning master" );
srec->uid[S] = 0;
} else {
if (srec->msg[t] && (srec->msg[t]->status & M_FLAGS) && srec->msg[t]->flags != srec->flags)
@ -1603,10 +1611,10 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
: svars->newmaxuid[1-t] < tmsg->uid && (svars->chan->ops[t] & OP_NEW)) {
debug( "new message %u on %s\n", tmsg->uid, str_ms[1-t] );
if ((svars->chan->ops[t] & OP_EXPUNGE) && (tmsg->flags & F_DELETED)) {
debug( " -> not %sing - would be expunged anyway\n", str_hl[t] );
debug( "-> ignoring - would be expunged anyway\n" );
} else {
if (srec) {
debug( " -> pair(%u,%u) exists\n", srec->uid[M], srec->uid[S] );
debug( "-> pair(%u,%u) exists\n", srec->uid[M], srec->uid[S] );
} else {
srec = nfcalloc( sizeof(*srec) );
*svars->srecadd = srec;
@ -1618,22 +1626,19 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
tmsg->srec = srec;
if (svars->newmaxuid[1-t] < tmsg->uid)
svars->newmaxuid[1-t] = tmsg->uid;
jFprintf( svars, "+ %u %u\n", srec->uid[M], srec->uid[S] );
debug( " -> pair(%u,%u) created\n", srec->uid[M], srec->uid[S] );
JLOG( "+ %u %u", (srec->uid[M], srec->uid[S]), "fresh" );
}
if ((tmsg->flags & F_FLAGGED) || tmsg->size <= svars->chan->stores[t]->max_size) {
if (srec->status != S_PENDING) {
debug( " -> not too big any more\n" );
srec->status = S_PENDING;
jFprintf( svars, "~ %u %u %u\n", srec->uid[M], srec->uid[S], srec->status );
JLOG( "~ %u %u %u", (srec->uid[M], srec->uid[S], srec->status), "was too big" );
}
} else {
if (srec->status == S_SKIPPED) {
debug( " -> not %sing - still too big\n", str_hl[t] );
debug( "-> still too big\n" );
} else {
debug( " -> not %sing - too big\n", str_hl[t] );
srec->status = S_SKIPPED;
jFprintf( svars, "~ %u %u %u\n", srec->uid[M], srec->uid[S], srec->status );
JLOG( "~ %u %u %u", (srec->uid[M], srec->uid[S], srec->status), "skipping - too big" );
}
}
}
@ -1729,12 +1734,11 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
/* The record needs a state change ... */
if (nex != ((srec->status / S_EXPIRE) & 1)) {
/* ... and we need to start a transaction. */
debug( " pair(%u,%u): %u (pre)\n", srec->uid[M], srec->uid[S], nex );
srec->status = (srec->status & ~S_EXPIRE) | (nex * S_EXPIRE);
jFprintf( svars, "~ %u %u %u\n", srec->uid[M], srec->uid[S], srec->status );
JLOG( "~ %u %u %u", (srec->uid[M], srec->uid[S], srec->status), "expire %u - begin", nex );
} else {
/* ... but the "right" transaction is already pending. */
debug( " pair(%u,%u): %u (pending)\n", srec->uid[M], srec->uid[S], nex );
debug( "-> pair(%u,%u): expire %u (pending)\n", srec->uid[M], srec->uid[S], nex );
}
} else {
/* Note: the "wrong" transaction may be pending here,
@ -1742,8 +1746,7 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
}
} else {
if (srec->wstate & W_NEXPIRE) {
jFprintf( svars, "= %u %u\n", srec->uid[M], srec->uid[S] );
debug( " pair(%u,%u): 1 (abort)\n", srec->uid[M], srec->uid[S] );
JLOG( "= %u %u", (srec->uid[M], srec->uid[S]), "expire unborn" );
// If we have so many new messages that some of them are instantly expired,
// but some are still propagated because they are important, we need to
// ensure explicitly that the bulk fetch limit is upped.
@ -1821,7 +1824,7 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
fdatasync( fileno( svars->jfp ) );
for (t = 0; t < 2; t++) {
svars->newuid[t] = svars->drv[t]->get_uidnext( svars->ctx[t] );
jFprintf( svars, "F %d %u\n", t, svars->newuid[t] );
JLOG( "F %d %u", (t, svars->newuid[t]), "save UIDNEXT of %s", str_ms[t] );
svars->new_msgs[t] = svars->msgs[1-t];
msgs_copied( svars, t );
if (check_cancel( svars ))
@ -1841,23 +1844,20 @@ msg_copied( int sts, uint uid, copy_vars_t *vars )
case SYNC_OK:
if (vars->msg->flags != srec->flags) {
srec->flags = vars->msg->flags;
debug( " -> updated flags to %u\n", srec->flags );
jFprintf( svars, "* %u %u %u\n", srec->uid[M], srec->uid[S], srec->flags );
JLOG( "* %u %u %u", (srec->uid[M], srec->uid[S], srec->flags), "%sed with flags", str_hl[t] );
}
if (!uid) { // Stored to a non-UIDPLUS mailbox
svars->state[t] |= ST_FIND_NEW;
} else {
debug( " -> new UID %u on %s\n", uid, str_ms[t] );
jFprintf( svars, "%c %u %u %u\n", "<>"[t], srec->uid[M], srec->uid[S], uid );
JLOG( "%c %u %u %u", ("<>"[t], srec->uid[M], srec->uid[S], uid), "%sed message", str_hl[t] );
vars->srec->uid[t] = uid;
vars->srec->status &= ~S_PENDING;
vars->srec->tuid[0] = 0;
}
break;
case SYNC_NOGOOD:
debug( " -> killing (%u,%u)\n", srec->uid[M], srec->uid[S] );
srec->status = S_DEAD;
jFprintf( svars, "- %u %u\n", srec->uid[M], srec->uid[S] );
JLOG( "- %u %u", (srec->uid[M], srec->uid[S]), "%s failed", str_hl[t] );
break;
default:
cancel_sync( svars );
@ -1898,8 +1898,7 @@ msgs_copied( sync_vars_t *svars, int t )
uchar c = arc4_getbyte() & 0x3f;
srec->tuid[i] = (char)(c < 26 ? c + 'A' : c < 52 ? c + 'a' - 26 : c < 62 ? c + '0' - 52 : c == 62 ? '+' : '/');
}
jFprintf( svars, "# %u %u %." stringify(TUIDL) "s\n", srec->uid[M], srec->uid[S], srec->tuid );
debug( "%sing message %u, TUID %." stringify(TUIDL) "s\n", str_hl[t], tmsg->uid, srec->tuid );
JLOG( "# %u %u %." stringify(TUIDL) "s", (srec->uid[M], srec->uid[S], srec->tuid), "%sing message", str_hl[t] );
new_total[t]++;
stats();
svars->new_pending[t]++;
@ -1923,7 +1922,7 @@ msgs_copied( sync_vars_t *svars, int t )
if (svars->maxuid[1-t] != svars->newmaxuid[1-t]) {
svars->maxuid[1-t] = svars->newmaxuid[1-t];
jFprintf( svars, "S %d\n", 1-t );
JLOG( "S %d", 1-t, "commit maxuid of %s", str_ms[1-t] );
}
sync_close( svars, 1-t );
if (check_cancel( svars ))
@ -1988,26 +1987,22 @@ static void
flags_set_p2( sync_vars_t *svars, sync_rec_t *srec, int t )
{
if (srec->wstate & W_DELETE) {
debug( " pair(%u,%u): resetting %s UID\n", srec->uid[M], srec->uid[S], str_ms[1-t] );
jFprintf( svars, "%c %u %u 0\n", "><"[t], srec->uid[M], srec->uid[S] );
JLOG( "%c %u %u 0", ("><"[t], srec->uid[M], srec->uid[S]), "%sed deletion", str_hl[t] );
srec->uid[1-t] = 0;
} else {
uchar nflags = (srec->flags | srec->aflags[t]) & ~srec->dflags[t];
if (srec->flags != nflags) {
debug( " pair(%u,%u): updating flags (%u -> %u; %sed)\n", srec->uid[M], srec->uid[S], srec->flags, nflags, str_hl[t] );
JLOG( "* %u %u %u", (srec->uid[M], srec->uid[S], nflags), "%sed flags; were %u", (str_hl[t], srec->flags) );
srec->flags = nflags;
jFprintf( svars, "* %u %u %u\n", srec->uid[M], srec->uid[S], nflags );
}
if (t == S) {
uchar nex = (srec->wstate / W_NEXPIRE) & 1;
if (nex != ((srec->status / S_EXPIRED) & 1)) {
debug( " pair(%u,%u): expired %d (commit)\n", srec->uid[M], srec->uid[S], nex );
srec->status = (srec->status & ~S_EXPIRED) | (nex * S_EXPIRED);
jFprintf( svars, "~ %u %u %u\n", srec->uid[M], srec->uid[S], srec->status );
JLOG( "~ %u %u %u", (srec->uid[M], srec->uid[S], srec->status), "expired %d - commit", nex );
} else if (nex != ((srec->status / S_EXPIRE) & 1)) {
debug( " pair(%u,%u): expire %d (cancel)\n", srec->uid[M], srec->uid[S], nex );
srec->status = (srec->status & ~S_EXPIRE) | (nex * S_EXPIRE);
jFprintf( svars, "~ %u %u %u\n", srec->uid[M], srec->uid[S], srec->status );
JLOG( "~ %u %u %u", (srec->uid[M], srec->uid[S], srec->status), "expire %d - cancel", nex );
}
}
}
@ -2093,8 +2088,7 @@ msg_trashed( int sts, void *aux )
if (check_ret( sts, vars->aux ))
return;
INIT_SVARS(vars->aux);
debug( " -> trashed %s %u\n", str_ms[t], vars->msg->uid );
jFprintf( svars, "T %d %u\n", t, vars->msg->uid );
JLOG( "T %d %u", (t, vars->msg->uid), "trashed on %s", str_ms[t] );
free( vars );
trash_done[t]++;
stats();
@ -2116,8 +2110,7 @@ msg_rtrashed( int sts, uint uid ATTR_UNUSED, copy_vars_t *vars )
return;
}
t ^= 1;
debug( " -> remote trashed %s %u\n", str_ms[t], vars->msg->uid );
jFprintf( svars, "T %d %u\n", t, vars->msg->uid );
JLOG( "T %d %u", (t, vars->msg->uid), "trashed remotely on %s", str_ms[1-t] );
free( vars );
trash_done[t]++;
stats();
@ -2176,17 +2169,14 @@ box_closed_p2( sync_vars_t *svars, int t )
if (!srec->uid[S] || ((srec->wstate & W_DEL(S)) && (svars->state[S] & ST_DID_EXPUNGE))) {
if (!srec->uid[M] || ((srec->wstate & W_DEL(M)) && (svars->state[M] & ST_DID_EXPUNGE)) ||
((srec->status & S_EXPIRED) && svars->maxuid[M] >= srec->uid[M] && svars->mmaxxuid >= srec->uid[M])) {
debug( " -> killing (%u,%u)\n", srec->uid[M], srec->uid[S] );
jFprintf( svars, "- %u %u\n", srec->uid[M], srec->uid[S] );
JLOG( "- %u %u", (srec->uid[M], srec->uid[S]), "killing" );
srec->status = S_DEAD;
} else if (srec->uid[S]) {
debug( " -> orphaning (%u,[%u])\n", srec->uid[M], srec->uid[S] );
jFprintf( svars, "> %u %u 0\n", srec->uid[M], srec->uid[S] );
JLOG( "> %u %u 0", (srec->uid[M], srec->uid[S]), "orphaning" );
srec->uid[S] = 0;
}
} else if (srec->uid[M] && ((srec->wstate & W_DEL(M)) && (svars->state[M] & ST_DID_EXPUNGE))) {
debug( " -> orphaning ([%u],%u)\n", srec->uid[M], srec->uid[S] );
jFprintf( svars, "< %u %u 0\n", srec->uid[M], srec->uid[S] );
JLOG( "< %u %u 0", (srec->uid[M], srec->uid[S]), "orphaning" );
srec->uid[M] = 0;
}
}
@ -2195,8 +2185,7 @@ box_closed_p2( sync_vars_t *svars, int t )
// This is just an optimization, so it needs no journaling of intermediate states.
// However, doing it before the entry purge would require ensuring that the
// exception list includes all relevant messages.
debug( "max expired uid on master is now %u\n", svars->mmaxxuid );
jFprintf( svars, "! %u\n", svars->mmaxxuid );
JLOG( "! %u", svars->mmaxxuid, "max expired UID on master" );
save_state( svars );

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