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introduce get_uidnext() driver callback

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... and make 'uidnext' private to the imap driver.
This commit is contained in:
Oswald Buddenhagen 2017-03-24 18:43:39 +01:00
parent 683e581340
commit 8d4918affd
4 changed files with 32 additions and 13 deletions
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4
src/driver.h
View file

@ -89,7 +89,6 @@ typedef struct store {
/* currently open mailbox */
int uidvalidity;
int uidnext; /* from SELECT responses */
} store_t;
typedef struct {
@ -175,6 +174,9 @@ struct driver {
void (*open_box)( store_t *ctx,
void (*cb)( int sts, void *aux ), void *aux );
/* Return the minimal UID the next stored message will have. */
int (*get_uidnext)( store_t *ctx );
/* Confirm that the open mailbox is empty. */
int (*confirm_box_empty)( store_t *ctx );

32
src/drv_imap.c
View file

@ -112,6 +112,7 @@ struct imap_store {
// note that the message counts do _not_ reflect stats from msgs,
// but mailbox totals. also, don't trust them beyond the initial load.
int total_msgs, recent_msgs;
int uidnext;
message_t *msgs;
message_t **msgapp; /* FETCH results */
uint caps; /* CAPABILITY results */
@ -1086,7 +1087,7 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
} else if ((cmdp = ctx->in_progress) && cmdp->param.lastuid) {
assert( !body && !tuid && !msgid );
// Workaround for server not sending UIDNEXT and/or APPENDUID.
ctx->gen.uidnext = uid + 1;
ctx->uidnext = uid + 1;
} else if (body) {
assert( !tuid && !msgid );
for (cmdp = ctx->in_progress; cmdp; cmdp = cmdp->next)
@ -1171,7 +1172,7 @@ parse_response_code( imap_store_t *ctx, imap_cmd_t *cmd, char *s )
return RESP_CANCEL;
}
} else if (!strcmp( "UIDNEXT", arg )) {
if (!(arg = next_arg( &s )) || !(ctx->gen.uidnext = atoi( arg ))) {
if (!(arg = next_arg( &s )) || !(ctx->uidnext = atoi( arg ))) {
error( "IMAP error: malformed NEXTUID status\n" );
return RESP_CANCEL;
}
@ -1520,7 +1521,7 @@ get_cmd_result_p2( imap_store_t *ctx, imap_cmd_t *cmd, int response )
if (response != RESP_OK) {
done_imap_cmd( ctx, ocmd, response );
} else {
ctx->gen.uidnext = 1;
ctx->uidnext = 1;
if (ocmd->param.to_trash)
ctx->trashnc = TrashKnown;
ocmd->param.create = 0;
@ -2355,7 +2356,7 @@ imap_open_box( store_t *gctx,
return;
}
ctx->gen.uidnext = 0;
ctx->uidnext = 0;
INIT_IMAP_CMD(imap_cmd_simple_t, cmd, cb, aux)
cmd->gen.param.failok = 1;
@ -2370,7 +2371,7 @@ imap_open_box_p2( imap_store_t *ctx, imap_cmd_t *gcmd, int response )
imap_cmd_simple_t *cmdp = (imap_cmd_simple_t *)gcmd;
imap_cmd_simple_t *cmd;
if (response != RESP_OK || ctx->gen.uidnext) {
if (response != RESP_OK || ctx->uidnext) {
imap_done_simple_box( ctx, &cmdp->gen, response );
return;
}
@ -2385,12 +2386,20 @@ static void
imap_open_box_p3( imap_store_t *ctx, imap_cmd_t *gcmd, int response )
{
// This will happen if the box is empty.
if (!ctx->gen.uidnext)
ctx->gen.uidnext = 1;
if (!ctx->uidnext)
ctx->uidnext = 1;
imap_done_simple_box( ctx, gcmd, response );
}
static int
imap_get_uidnext( store_t *gctx )
{
imap_store_t *ctx = (imap_store_t *)gctx;
return ctx->uidnext;
}
/******************* imap_create_box *******************/
static void
@ -2536,7 +2545,7 @@ imap_load_box( store_t *gctx, int minuid, int maxuid, int newuid, int seenuid, i
imap_submit_load( ctx, buf, shifted_bit( ctx->opts, OPEN_OLD_IDS, WantMsgids ), sts );
}
if (maxuid == INT_MAX)
maxuid = ctx->gen.uidnext - 1;
maxuid = ctx->uidnext - 1;
if (maxuid >= minuid) {
imap_range_t ranges[3];
ranges[0].first = minuid;
@ -2888,7 +2897,7 @@ imap_find_new_msgs_p2( imap_store_t *ctx, imap_cmd_t *gcmd, int response )
return;
}
ctx->gen.uidnext = 0;
ctx->uidnext = 0;
INIT_IMAP_CMD(imap_cmd_find_new_t, cmd, cmdp->callback, cmdp->callback_aux)
cmd->out_msgs = cmdp->out_msgs;
@ -2904,14 +2913,14 @@ imap_find_new_msgs_p3( imap_store_t *ctx, imap_cmd_t *gcmd, int response )
imap_cmd_find_new_t *cmdp = (imap_cmd_find_new_t *)gcmd;
imap_cmd_find_new_t *cmd;
if (response != RESP_OK || ctx->gen.uidnext <= cmdp->uid) {
if (response != RESP_OK || ctx->uidnext <= cmdp->uid) {
imap_find_new_msgs_p4( ctx, gcmd, response );
return;
}
INIT_IMAP_CMD(imap_cmd_find_new_t, cmd, cmdp->callback, cmdp->callback_aux)
cmd->out_msgs = cmdp->out_msgs;
imap_exec( (imap_store_t *)ctx, &cmd->gen, imap_find_new_msgs_p4,
"UID FETCH %d:%d (UID BODY.PEEK[HEADER.FIELDS (X-TUID)])", cmdp->uid, ctx->gen.uidnext - 1 );
"UID FETCH %d:%d (UID BODY.PEEK[HEADER.FIELDS (X-TUID)])", cmdp->uid, ctx->uidnext - 1 );
}
static void
@ -3343,6 +3352,7 @@ struct driver imap_driver = {
imap_get_box_path,
imap_create_box,
imap_open_box,
imap_get_uidnext,
imap_confirm_box_empty,
imap_delete_box,
imap_finish_delete_box,

7
src/drv_maildir.c
View file

@ -1311,6 +1311,12 @@ maildir_open_box( store_t *gctx,
cb( ret, aux );
}
static int
maildir_get_uidnext( store_t *gctx ATTR_UNUSED )
{
return 0;
}
static void
maildir_create_box( store_t *gctx,
void (*cb)( int sts, void *aux ), void *aux )
@ -1920,6 +1926,7 @@ struct driver maildir_driver = {
maildir_get_box_path,
maildir_create_box,
maildir_open_box,
maildir_get_uidnext,
maildir_confirm_box_empty,
maildir_delete_box,
maildir_finish_delete_box,

2
src/sync.c
View file

@ -1807,7 +1807,7 @@ box_loaded( int sts, message_t *msgs, int total_msgs, int recent_msgs, void *aux
if (UseFSync)
fdatasync( fileno( svars->jfp ) );
for (t = 0; t < 2; t++) {
svars->newuid[t] = svars->ctx[t]->uidnext;
svars->newuid[t] = svars->drv[t]->get_uidnext( svars->ctx[t] );
jFprintf( svars, "F %d %d\n", t, svars->newuid[t] );
svars->new_msgs[t] = svars->msgs[1-t];
msgs_copied( svars, t );