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factor out box selection from sync_boxes to avoid code dupe

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This commit is contained in:
Oswald Buddenhagen 2006-02-12 11:42:46 +00:00
parent bc39f10a1e
commit fbbb86738b
1 changed files with 37 additions and 58 deletions
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95
src/sync.c
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@ -107,14 +107,37 @@ typedef struct sync_rec {
} sync_rec_t; } sync_rec_t;
static int static int
findmsgs( sync_rec_t *srecs, store_t *ctx[], int t, FILE *jfp ) select_box( sync_rec_t *srecs, store_t *ctx[], int maxuid[], int uidval[], int t, int minwuid, int *mexcs, int nmexcs, FILE *jfp )
{ {
sync_rec_t *srec, *nsrec = 0; sync_rec_t *srec, *nsrec = 0;
message_t *msg; message_t *msg;
const char *diag; const char *diag;
int uid; int uid, maxwuid;
char fbuf[16]; /* enlarge when support for keywords is added */ char fbuf[16]; /* enlarge when support for keywords is added */
if (ctx[t]->opts & OPEN_NEW) {
if (minwuid > maxuid[t] + 1)
minwuid = maxuid[t] + 1;
maxwuid = INT_MAX;
} else if (ctx[t]->opts & OPEN_OLD) {
maxwuid = 0;
for (srec = srecs; srec; srec = srec->next)
if (!(srec->status & S_DEAD) && srec->uid[t] > maxwuid)
maxwuid = srec->uid[t];
} else
maxwuid = 0;
info( "Selecting %s %s... ", str_ms[t], ctx[t]->name );
debug( maxwuid == INT_MAX ? "selecting %s [%d,inf]\n" : "selecting %s [%d,%d]\n", str_ms[t], minwuid, maxwuid );
switch (ctx[t]->conf->driver->select( ctx[t], minwuid, maxwuid, mexcs, nmexcs )) {
case DRV_STORE_BAD: return SYNC_BAD(t);
case DRV_BOX_BAD: return SYNC_FAIL;
}
if (uidval[t] && uidval[t] != ctx[t]->uidvalidity) {
fprintf( stderr, "Error: UIDVALIDITY of %s changed (got %d, expected %d)\n", str_ms[t], ctx[t]->uidvalidity, uidval[t] );
return SYNC_FAIL;
}
info( "%d messages, %d recent\n", ctx[M]->count, ctx[M]->recent );
if (jfp) { if (jfp) {
/* /*
* Alternatively, the TUIDs could be fetched into the messages and * Alternatively, the TUIDs could be fetched into the messages and
@ -355,7 +378,7 @@ sync_boxes( store_t *ctx[], const char *names[], channel_conf_t *chan )
FILE *dfp, *jfp, *nfp; FILE *dfp, *jfp, *nfp;
int opts[2]; int opts[2];
int nom, nos, del[2], ex[2], nex; int nom, nos, del[2], ex[2], nex;
int muidval, suidval, smaxxuid, maxuid[2], minwuid, maxwuid; int uidval[2], smaxxuid, maxuid[2], minwuid;
int t1, t2, t3, t, uid, nmsgs; int t1, t2, t3, t, uid, nmsgs;
int lfd, ret, line, sline, todel, *mexcs, nmexcs, rmexcs; int lfd, ret, line, sline, todel, *mexcs, nmexcs, rmexcs;
unsigned char nflags, sflags, aflags, dflags; unsigned char nflags, sflags, aflags, dflags;
@ -409,7 +432,7 @@ sync_boxes( store_t *ctx[], const char *names[], channel_conf_t *chan )
nfasprintf( &jname, "%s.journal", dname ); nfasprintf( &jname, "%s.journal", dname );
nfasprintf( &nname, "%s.new", dname ); nfasprintf( &nname, "%s.new", dname );
nfasprintf( &lname, "%s.lock", dname ); nfasprintf( &lname, "%s.lock", dname );
muidval = suidval = smaxxuid = maxuid[M] = maxuid[S] = 0; uidval[M] = uidval[S] = smaxxuid = maxuid[M] = maxuid[S] = 0;
memset( &lck, 0, sizeof(lck) ); memset( &lck, 0, sizeof(lck) );
#if SEEK_SET != 0 #if SEEK_SET != 0
lck.l_whence = SEEK_SET; lck.l_whence = SEEK_SET;
@ -436,7 +459,7 @@ sync_boxes( store_t *ctx[], const char *names[], channel_conf_t *chan )
ret = SYNC_FAIL; ret = SYNC_FAIL;
goto bail; goto bail;
} }
if (sscanf( buf, "%d:%d %d:%d:%d", &muidval, &maxuid[M], &suidval, &smaxxuid, &maxuid[S]) != 5) { if (sscanf( buf, "%d:%d %d:%d:%d", &uidval[M], &maxuid[M], &uidval[S], &smaxxuid, &maxuid[S]) != 5) {
fprintf( stderr, "Error: invalid sync state header in %s\n", dname ); fprintf( stderr, "Error: invalid sync state header in %s\n", dname );
fclose( dfp ); fclose( dfp );
ret = SYNC_FAIL; ret = SYNC_FAIL;
@ -528,8 +551,8 @@ sync_boxes( store_t *ctx[], const char *names[], channel_conf_t *chan )
else if (buf[0] == ')') else if (buf[0] == ')')
maxuid[S] = t1; maxuid[S] = t1;
else if (buf[0] == '|') { else if (buf[0] == '|') {
muidval = t1; uidval[M] = t1;
suidval = t2; uidval[S] = t2;
} else if (buf[0] == '+') { } else if (buf[0] == '+') {
srec = nfmalloc( sizeof(*srec) ); srec = nfmalloc( sizeof(*srec) );
srec->uid[M] = t1; srec->uid[M] = t1;
@ -689,28 +712,7 @@ sync_boxes( store_t *ctx[], const char *names[], channel_conf_t *chan )
driver[M]->prepare_opts( ctx[M], opts[M] ); driver[M]->prepare_opts( ctx[M], opts[M] );
driver[S]->prepare_opts( ctx[S], opts[S] ); driver[S]->prepare_opts( ctx[S], opts[S] );
if (ctx[S]->opts & OPEN_NEW) if ((ret = select_box( recs, ctx, maxuid, uidval, S, (ctx[S]->opts & OPEN_OLD) ? 1 : INT_MAX, 0, 0, line ? jfp : 0 )) != SYNC_OK)
maxwuid = INT_MAX;
else if (ctx[S]->opts & OPEN_OLD) {
maxwuid = 0;
for (srec = recs; srec; srec = srec->next)
if (!(srec->status & S_DEAD) && srec->uid[S] > maxwuid)
maxwuid = srec->uid[S];
} else
maxwuid = 0;
info( "Selecting slave %s... ", ctx[S]->name );
debug( maxwuid == INT_MAX ? "selecting slave [1,inf]\n" : "selecting slave [1,%d]\n", maxwuid );
switch (driver[S]->select( ctx[S], (ctx[S]->opts & OPEN_OLD) ? 1 : maxuid[S] + 1, maxwuid, 0, 0 )) {
case DRV_STORE_BAD: ret = SYNC_BAD(S); goto bail;
case DRV_BOX_BAD: ret = SYNC_FAIL; goto bail;
}
if (suidval && suidval != ctx[S]->uidvalidity) {
fprintf( stderr, "Error: UIDVALIDITY of slave changed\n" );
ret = SYNC_FAIL;
goto finish;
}
info( "%d messages, %d recent\n", ctx[S]->count, ctx[S]->recent );
if ((ret = findmsgs( recs, ctx, S, line ? jfp : 0 )) != SYNC_OK)
goto finish; goto finish;
mexcs = 0; mexcs = 0;
@ -770,36 +772,13 @@ sync_boxes( store_t *ctx[], const char *names[], channel_conf_t *chan )
debug( "\n" ); debug( "\n" );
} else if (ctx[M]->opts & OPEN_OLD) } else if (ctx[M]->opts & OPEN_OLD)
minwuid = 1; minwuid = 1;
if (ctx[M]->opts & OPEN_NEW) { if ((ret = select_box( recs, ctx, maxuid, uidval, M, minwuid, mexcs, nmexcs, line ? jfp : 0 )) != SYNC_OK)
if (minwuid > maxuid[M] + 1)
minwuid = maxuid[M] + 1;
maxwuid = INT_MAX;
} else if (ctx[M]->opts & OPEN_OLD) {
maxwuid = 0;
for (srec = recs; srec; srec = srec->next)
if (!(srec->status & S_DEAD) && srec->uid[M] > maxwuid)
maxwuid = srec->uid[M];
} else
maxwuid = 0;
info( "Selecting master %s... ", ctx[M]->name );
debug( maxwuid == INT_MAX ? "selecting master [%d,inf]\n" : "selecting master [%d,%d]\n", minwuid, maxwuid );
switch (driver[M]->select( ctx[M], minwuid, maxwuid, mexcs, nmexcs )) {
case DRV_STORE_BAD: ret = SYNC_BAD(M); goto finish;
case DRV_BOX_BAD: ret = SYNC_FAIL; goto finish;
}
if (muidval && muidval != ctx[M]->uidvalidity) {
fprintf( stderr, "Error: UIDVALIDITY of master changed\n" );
ret = SYNC_FAIL;
goto finish;
}
info( "%d messages, %d recent\n", ctx[M]->count, ctx[M]->recent );
if ((ret = findmsgs( recs, ctx, M, line ? jfp : 0 )) != SYNC_OK)
goto finish; goto finish;
if (!muidval || !suidval) { if (!uidval[M] || !uidval[S]) {
muidval = ctx[M]->uidvalidity; uidval[M] = ctx[M]->uidvalidity;
suidval = ctx[S]->uidvalidity; uidval[S] = ctx[S]->uidvalidity;
Fprintf( jfp, "| %d %d\n", muidval, suidval ); Fprintf( jfp, "| %d %d\n", uidval[M], uidval[S] );
} }
info( "Synchronizing...\n" ); info( "Synchronizing...\n" );
@ -1160,7 +1139,7 @@ sync_boxes( store_t *ctx[], const char *names[], channel_conf_t *chan )
} }
} }
Fprintf( nfp, "%d:%d %d:%d:%d\n", muidval, maxuid[M], suidval, smaxxuid, maxuid[S] ); Fprintf( nfp, "%d:%d %d:%d:%d\n", uidval[M], maxuid[M], uidval[S], smaxxuid, maxuid[S] );
for (srec = recs; srec; srec = srec->next) { for (srec = recs; srec; srec = srec->next) {
if (srec->status & S_DEAD) if (srec->status & S_DEAD)
continue; continue;