# HG changeset patch
# User Timo Sirainen <tss@iki.fi>
# Date 1032777740 -10800
# Node ID d66aa1f1fb2d886bf3980c0faf02ce9c3b051a9a
# Parent  c6c0e376008f8dc865a382013cf3da255aa94046
Added fast-flag for mailbox opening, which doesn't do any index compressing
or cache updating. This flag is set when mailbox is opened by APPEND, COPY
or STATUS (ie. not SELECT/EXAMINE).

diff -r c6c0e376008f -r d66aa1f1fb2d src/imap/cmd-append.c
--- a/src/imap/cmd-append.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/imap/cmd-append.c	Mon Sep 23 13:42:20 2002 +0300
@@ -113,7 +113,7 @@
 			return TRUE;
 
 		box = client->storage->open_mailbox(client->storage,
-						    mailbox, FALSE);
+						    mailbox, FALSE, TRUE);
 		if (box == NULL) {
 			client_send_storage_error(client);
 			return TRUE;
diff -r c6c0e376008f -r d66aa1f1fb2d src/imap/cmd-copy.c
--- a/src/imap/cmd-copy.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/imap/cmd-copy.c	Mon Sep 23 13:42:20 2002 +0300
@@ -20,7 +20,7 @@
 		return TRUE;
 
 	destbox = client->storage->open_mailbox(client->storage,
-						mailbox, FALSE);
+						mailbox, FALSE, TRUE);
 	if (destbox == NULL) {
 		client_send_storage_error(client);
 		return TRUE;
diff -r c6c0e376008f -r d66aa1f1fb2d src/imap/cmd-select.c
--- a/src/imap/cmd-select.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/imap/cmd-select.c	Mon Sep 23 13:42:20 2002 +0300
@@ -47,7 +47,8 @@
 		client->mailbox->close(client->mailbox);
 
 	client->mailbox = client->storage->open_mailbox(client->storage,
-							mailbox, readonly);
+							mailbox, readonly,
+							FALSE);
 	if (client->mailbox == NULL) {
 		client_send_storage_error(client);
 		return TRUE;
diff -r c6c0e376008f -r d66aa1f1fb2d src/imap/cmd-status.c
--- a/src/imap/cmd-status.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/imap/cmd-status.c	Mon Sep 23 13:42:20 2002 +0300
@@ -63,7 +63,7 @@
 	} else {
 		/* open the mailbox */
 		box = client->storage->open_mailbox(client->storage,
-						    mailbox, FALSE);
+						    mailbox, FALSE, TRUE);
 		if (box == NULL)
 			return FALSE;
 	}
diff -r c6c0e376008f -r d66aa1f1fb2d src/lib-index/mail-index-open.c
--- a/src/lib-index/mail-index-open.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/lib-index/mail-index-open.c	Mon Sep 23 13:42:20 2002 +0300
@@ -152,7 +152,7 @@
 	return TRUE;
 }
 
-static int index_open_and_fix(MailIndex *index, int update_recent)
+static int index_open_and_fix(MailIndex *index, int update_recent, int fast)
 {
 	int rebuild;
 
@@ -200,7 +200,7 @@
 			return FALSE;
 	}
 
-	if (index->header->flags & MAIL_INDEX_FLAG_COMPRESS) {
+	if (fast && (index->header->flags & MAIL_INDEX_FLAG_COMPRESS)) {
 		/* remove deleted blocks from index file */
 		if (!mail_index_compress(index))
 			return FALSE;
@@ -216,13 +216,13 @@
 	if (!index->sync(index))
 		return FALSE;
 
-	if (index->header->flags & MAIL_INDEX_FLAG_CACHE_FIELDS) {
+	if (fast && (index->header->flags & MAIL_INDEX_FLAG_CACHE_FIELDS)) {
 		/* need to update cached fields */
 		if (!mail_index_update_cache(index))
 			return FALSE;
 	}
 
-	if (index->header->flags & MAIL_INDEX_FLAG_COMPRESS_DATA) {
+	if (fast && (index->header->flags & MAIL_INDEX_FLAG_COMPRESS_DATA)) {
 		/* remove unused space from index data file.
 		   keep after cache_fields which may move data
 		   and create unused space.. */
@@ -240,7 +240,7 @@
 }
 
 static int mail_index_open_file(MailIndex *index, const char *path,
-				int update_recent)
+				int update_recent, int fast)
 {
         MailIndexHeader hdr;
 	int fd;
@@ -276,7 +276,7 @@
 	index->filepath = i_strdup(path);
 	index->indexid = hdr.indexid;
 
-	if (!index_open_and_fix(index, update_recent)) {
+	if (!index_open_and_fix(index, update_recent, fast)) {
 		mail_index_close(index);
 		return FALSE;
 	}
@@ -477,7 +477,7 @@
 	hdr->next_uid = 1;
 }
 
-int mail_index_open(MailIndex *index, int update_recent)
+int mail_index_open(MailIndex *index, int update_recent, int fast)
 {
 	const char *name, *path;
 
@@ -491,20 +491,20 @@
 		return FALSE;
 
 	path = t_strconcat(index->dir, "/", name, NULL);
-	if (!mail_index_open_file(index, path, update_recent))
+	if (!mail_index_open_file(index, path, update_recent, fast))
 		return FALSE;
 
 	index->opened = TRUE;
 	return TRUE;
 }
 
-int mail_index_open_or_create(MailIndex *index, int update_recent)
+int mail_index_open_or_create(MailIndex *index, int update_recent, int fast)
 {
 	int failed, dir_unlocked;
 
 	i_assert(!index->opened);
 
-	if (mail_index_open(index, update_recent))
+	if (mail_index_open(index, update_recent, fast))
 		return TRUE;
 
 	/* index wasn't found or it was broken. lock the directory and check
@@ -513,7 +513,7 @@
 	if (!mail_index_lock_dir(index, MAIL_LOCK_EXCLUSIVE))
 		return FALSE;
 
-	if (mail_index_open(index, update_recent)) {
+	if (mail_index_open(index, update_recent, fast)) {
 		dir_unlocked = FALSE;
 		failed = FALSE;
 	} else {
diff -r c6c0e376008f -r d66aa1f1fb2d src/lib-index/mail-index.h
--- a/src/lib-index/mail-index.h	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/lib-index/mail-index.h	Mon Sep 23 13:42:20 2002 +0300
@@ -165,8 +165,9 @@
         (SIZEOF_MAIL_INDEX_DATA + (rec)->full_field_size)
 
 struct _MailIndex {
-	int (*open)(MailIndex *index, int update_recent);
-	int (*open_or_create)(MailIndex *index, int update_recent);
+	/* If fast is TRUE, compressing and cache updates are not performed. */
+	int (*open)(MailIndex *index, int update_recent, int fast);
+	int (*open_or_create)(MailIndex *index, int update_recent, int fast);
 
 	/* Free index from memory. */
 	void (*free)(MailIndex *index);
@@ -355,8 +356,8 @@
 	0, 0, 0, 0, 0, 0, 0, 0, 0
 
 /* defaults - same as above but prefixed with mail_index_. */
-int mail_index_open(MailIndex *index, int update_recent);
-int mail_index_open_or_create(MailIndex *index, int update_recent);
+int mail_index_open(MailIndex *index, int update_recent, int fast);
+int mail_index_open_or_create(MailIndex *index, int update_recent, int fast);
 int mail_index_set_lock(MailIndex *index, MailLockType lock_type);
 int mail_index_try_lock(MailIndex *index, MailLockType lock_type);
 int mail_index_fsck(MailIndex *index);
diff -r c6c0e376008f -r d66aa1f1fb2d src/lib-storage/index/index-storage.c
--- a/src/lib-storage/index/index-storage.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/lib-storage/index/index-storage.c	Mon Sep 23 13:42:20 2002 +0300
@@ -8,14 +8,14 @@
 
 IndexMailbox *index_storage_init(MailStorage *storage, Mailbox *box,
 				 MailIndex *index, const char *name,
-				 int readonly)
+				 int readonly, int fast)
 {
 	IndexMailbox *ibox;
 
 	i_assert(name != NULL);
 
 	/* open the index first */
-	if (!index->open_or_create(index, !readonly)) {
+	if (!index->open_or_create(index, !readonly, fast)) {
 		mail_storage_set_internal_error(storage);
 		index->free(index);
 		return NULL;
diff -r c6c0e376008f -r d66aa1f1fb2d src/lib-storage/index/index-storage.h
--- a/src/lib-storage/index/index-storage.h	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/lib-storage/index/index-storage.h	Mon Sep 23 13:42:20 2002 +0300
@@ -26,7 +26,7 @@
 
 IndexMailbox *index_storage_init(MailStorage *storage, Mailbox *box,
 				 MailIndex *index, const char *name,
-				 int readonly);
+				 int readonly, int fast);
 void index_storage_close(Mailbox *box);
 
 int index_storage_sync_if_possible(IndexMailbox *ibox);
diff -r c6c0e376008f -r d66aa1f1fb2d src/lib-storage/index/maildir/maildir-storage.c
--- a/src/lib-storage/index/maildir/maildir-storage.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/lib-storage/index/maildir/maildir-storage.c	Mon Sep 23 13:42:20 2002 +0300
@@ -123,7 +123,7 @@
 }
 
 static Mailbox *maildir_open(MailStorage *storage, const char *name,
-			     int readonly)
+			     int readonly, int fast)
 {
 	IndexMailbox *ibox;
 	const char *path;
@@ -131,7 +131,8 @@
 	path = t_strconcat(storage->dir, "/.", name, NULL);
 
 	ibox = index_storage_init(storage, &maildir_mailbox,
-				  maildir_index_alloc(path), name, readonly);
+				  maildir_index_alloc(path), name, readonly,
+				  fast);
 	if (ibox != NULL)
 		ibox->expunge_locked = maildir_expunge_locked;
 	return (Mailbox *) ibox;
@@ -150,7 +151,7 @@
 }
 
 static Mailbox *maildir_open_mailbox(MailStorage *storage, const char *name,
-				     int readonly)
+				     int readonly, int fast)
 {
 	struct stat st;
 	char path[1024];
@@ -161,7 +162,7 @@
 	if (strcmp(name, "INBOX") == 0) {
 		if (!verify_inbox(storage, storage->dir))
 			return NULL;
-		return maildir_open(storage, "INBOX", readonly);
+		return maildir_open(storage, "INBOX", readonly, fast);
 	}
 
 	if (!maildir_is_valid_name(storage, name)) {
@@ -174,7 +175,7 @@
 		/* exists - make sure the required directories are also there */
 		(void)create_maildir(path, TRUE);
 
-		return maildir_open(storage, name, readonly);
+		return maildir_open(storage, name, readonly, fast);
 	} else if (errno == ENOENT) {
 		mail_storage_set_error(storage, "Mailbox doesn't exist: %s",
 				       name);
diff -r c6c0e376008f -r d66aa1f1fb2d src/lib-storage/index/mbox/mbox-storage.c
--- a/src/lib-storage/index/mbox/mbox-storage.c	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/lib-storage/index/mbox/mbox-storage.c	Mon Sep 23 13:42:20 2002 +0300
@@ -149,7 +149,8 @@
 	(void)create_mbox_index_dirs(path, TRUE);
 }
 
-static Mailbox *mbox_open(MailStorage *storage, const char *name, int readonly)
+static Mailbox *mbox_open(MailStorage *storage, const char *name,
+			  int readonly, int fast)
 {
 	IndexMailbox *ibox;
 	const char *path, *index_dir;
@@ -162,14 +163,14 @@
 
 	ibox = index_storage_init(storage, &mbox_mailbox,
 				  mbox_index_alloc(index_dir, path),
-				  name, readonly);
+				  name, readonly, fast);
 	if (ibox != NULL)
 		ibox->expunge_locked = mbox_expunge_locked;
 	return (Mailbox *) ibox;
 }
 
 static Mailbox *mbox_open_mailbox(MailStorage *storage, const char *name,
-				  int readonly)
+				  int readonly, int fast)
 {
 	struct stat st;
 	char path[1024];
@@ -180,7 +181,7 @@
 	if (strcasecmp(name, "INBOX") == 0) {
 		/* make sure inbox exists */
 		verify_inbox(storage);
-		return mbox_open(storage, "inbox", readonly);
+		return mbox_open(storage, "inbox", readonly, fast);
 	}
 
 	if (!mbox_is_valid_name(storage, name)) {
@@ -193,7 +194,7 @@
 		/* exists - make sure the required directories are also there */
 		(void)create_mbox_index_dirs(path, TRUE);
 
-		return mbox_open(storage, name, readonly);
+		return mbox_open(storage, name, readonly, fast);
 	} else if (errno == ENOENT) {
 		mail_storage_set_error(storage, "Mailbox doesn't exist: %s",
 				       name);
diff -r c6c0e376008f -r d66aa1f1fb2d src/lib-storage/mail-storage.h
--- a/src/lib-storage/mail-storage.h	Mon Sep 23 13:30:21 2002 +0300
+++ b/src/lib-storage/mail-storage.h	Mon Sep 23 13:42:20 2002 +0300
@@ -71,9 +71,11 @@
 	int (*autodetect)(const char *data);
 
 	/* Open a mailbox. If readonly is TRUE, mailbox must not be
-	   modified in any way even when it's asked. */
+	   modified in any way even when it's asked. If fast is TRUE,
+	   any extra time consuming operations shouldn't be performed
+	   (eg. when opening mailbox just for STATUS). */
 	Mailbox *(*open_mailbox)(MailStorage *storage, const char *name,
-				 int readonly);
+				 int readonly, int fast);
 
 	/* name is allowed to contain multiple new hierarchy levels */
 	int (*create_mailbox)(MailStorage *storage, const char *name);