Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib-storage/index/mbox/mbox-transaction.c @ 8590:b9faf4db2a9f HEAD
Updated copyright notices to include year 2009.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Tue, 06 Jan 2009 09:25:38 -0500 |
parents | 1a9e14718bd6 |
children | 06c641b17175 |
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/* Copyright (c) 2004-2009 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "array.h" #include "mbox-storage.h" #include "mbox-lock.h" #include "mbox-sync-private.h" static void (*next_hook_mail_index_transaction_created) (struct mail_index_transaction *t) = NULL; static int mbox_transaction_commit(struct mail_index_transaction *t, uint32_t *log_file_seq_r, uoff_t *log_file_offset_r) { struct mbox_transaction_context *mt = MAIL_STORAGE_CONTEXT(t); struct mbox_mailbox *mbox = (struct mbox_mailbox *)mt->ictx.ibox; unsigned int lock_id = mt->mbox_lock_id; bool mails_saved; int ret = 0; if (mt->save_ctx != NULL) ret = mbox_transaction_save_commit(mt->save_ctx); mails_saved = mt->mails_saved; if (ret < 0) index_transaction_finish_rollback(&mt->ictx); else { if (index_transaction_finish_commit(&mt->ictx, log_file_seq_r, log_file_offset_r) < 0) ret = -1; } /* transaction is destroyed now. */ mt = NULL; if (lock_id != 0 && mbox->mbox_lock_type != F_WRLCK) { /* unlock before writing any changes */ (void)mbox_unlock(mbox, lock_id); lock_id = 0; } if (ret == 0 && mails_saved) { /* after saving mails we want to update the last-uid */ if (mbox_sync(mbox, MBOX_SYNC_HEADER | MBOX_SYNC_REWRITE) < 0) ret = -1; } if (lock_id != 0) { if (mbox_unlock(mbox, lock_id) < 0) ret = -1; } i_assert(mbox->ibox.box.transaction_count > 0 || mbox->mbox_lock_type == F_UNLCK); return ret; } static void mbox_transaction_rollback(struct mail_index_transaction *t) { struct mbox_transaction_context *mt = MAIL_STORAGE_CONTEXT(t); struct mbox_mailbox *mbox = (struct mbox_mailbox *)mt->ictx.ibox; if (mt->save_ctx != NULL) mbox_transaction_save_rollback(mt->save_ctx); if (mt->mbox_lock_id != 0) (void)mbox_unlock(mbox, mt->mbox_lock_id); index_transaction_finish_rollback(&mt->ictx); i_assert(mbox->ibox.box.transaction_count > 0 || mbox->mbox_lock_type == F_UNLCK); } static void mbox_transaction_created(struct mail_index_transaction *t) { struct mailbox *box = MAIL_STORAGE_CONTEXT(t->view); /* index can be for mailbox list index, in which case box=NULL */ if (box != NULL && strcmp(box->storage->name, MBOX_STORAGE_NAME) == 0) { struct mbox_mailbox *mbox = (struct mbox_mailbox *)box; struct mbox_transaction_context *mt; mt = i_new(struct mbox_transaction_context, 1); mt->ictx.trans = t; mt->ictx.super = t->v; t->v.commit = mbox_transaction_commit; t->v.rollback = mbox_transaction_rollback; MODULE_CONTEXT_SET(t, mail_storage_mail_index_module, mt); index_transaction_init(&mt->ictx, &mbox->ibox); } if (next_hook_mail_index_transaction_created != NULL) next_hook_mail_index_transaction_created(t); } void mbox_transaction_class_init(void) { next_hook_mail_index_transaction_created = hook_mail_index_transaction_created; hook_mail_index_transaction_created = mbox_transaction_created; } void mbox_transaction_class_deinit(void) { i_assert(hook_mail_index_transaction_created == mbox_transaction_created); hook_mail_index_transaction_created = next_hook_mail_index_transaction_created; }