Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib-storage/index/dbox/dbox-transaction.c @ 5450:7a6db5ec047d HEAD
Better type safety to module_contexts arrays. Already fixed some bugs.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Thu, 29 Mar 2007 14:51:09 +0300 |
parents | 967de900c73a |
children | 35a54122b396 |
line wrap: on
line source
/* Copyright (C) 2005 Timo Sirainen */ #include "lib.h" #include "array.h" #include "dbox-sync.h" #include "dbox-storage.h" static void (*next_hook_mail_index_transaction_created) (struct mail_index_transaction *t) = NULL; static int dbox_transaction_commit(struct mail_index_transaction *t, uint32_t *log_file_seq_r, uoff_t *log_file_offset_r) { struct dbox_transaction_context *dt = MAIL_STORAGE_CONTEXT(t); struct dbox_mailbox *dbox = (struct dbox_mailbox *)dt->ictx.ibox; struct dbox_save_context *save_ctx; bool syncing = t->sync_transaction; int ret = 0; if (dt->save_ctx != NULL) { if (dbox_transaction_save_commit_pre(dt->save_ctx) < 0) { dt->save_ctx = NULL; ret = -1; } } save_ctx = dt->save_ctx; if (ret < 0) index_transaction_finish_rollback(&dt->ictx); else { if (index_transaction_finish_commit(&dt->ictx, log_file_seq_r, log_file_offset_r) < 0) ret = -1; } /* transaction is destroyed now. */ dt = NULL; if (save_ctx != NULL) { /* unlock uidlist file after writing to transaction log, to make sure we don't write uids in wrong order. */ dbox_transaction_save_commit_post(save_ctx); } if (ret == 0 && !syncing) { if (dbox_sync(dbox, FALSE) < 0) ret = -1; } return ret; } static void dbox_transaction_rollback(struct mail_index_transaction *t) { struct dbox_transaction_context *dt = MAIL_STORAGE_CONTEXT(t); if (dt->save_ctx != NULL) dbox_transaction_save_rollback(dt->save_ctx); index_transaction_finish_rollback(&dt->ictx); } void dbox_transaction_created(struct mail_index_transaction *t) { struct mailbox *box = MAIL_STORAGE_CONTEXT(t->view->index); /* index can be for mailbox list index, in which case box=NULL */ if (box != NULL && strcmp(box->storage->name, DBOX_STORAGE_NAME) == 0) { struct dbox_mailbox *dbox = (struct dbox_mailbox *)box; struct dbox_transaction_context *mt; mt = i_new(struct dbox_transaction_context, 1); mt->ictx.trans = t; mt->ictx.super = t->v; t->v.commit = dbox_transaction_commit; t->v.rollback = dbox_transaction_rollback; MODULE_CONTEXT_SET(t, mail_storage_mail_index_module, mt); index_transaction_init(&mt->ictx, &dbox->ibox); } if (next_hook_mail_index_transaction_created != NULL) next_hook_mail_index_transaction_created(t); } void dbox_transaction_class_init(void) { next_hook_mail_index_transaction_created = hook_mail_index_transaction_created; hook_mail_index_transaction_created = dbox_transaction_created; } void dbox_transaction_class_deinit(void) { i_assert(hook_mail_index_transaction_created == dbox_transaction_created); hook_mail_index_transaction_created = next_hook_mail_index_transaction_created; }