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/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "array.h"
#include "test-common.h"
#include "mail-index-private.h"
#include "mail-transaction-log-view-private.h"
static struct mail_transaction_log *log;
static struct mail_transaction_log_view *view;
static bool clean_refcount0_files = FALSE;
static void
test_transaction_log_file_add(uint32_t file_seq)
{
struct mail_transaction_log_file **p, *file;
file = i_new(struct mail_transaction_log_file, 1);
file->hdr.file_seq = file_seq;
file->hdr.hdr_size = file->sync_offset = sizeof(file->hdr);
file->hdr.prev_file_seq = file_seq - 1;
file->hdr.prev_file_offset = (uint32_t)-1;
file->log = log;
file->fd = -1;
file->buffer = buffer_create_dynamic(default_pool, 256);
file->buffer_offset = file->hdr.hdr_size;
/* files must be sorted by file_seq */
for (p = &log->files; *p != NULL; p = &(*p)->next) {
if ((*p)->hdr.file_seq > file->hdr.file_seq) {
file->next = *p;
break;
}
}
*p = file;
log->head = file;
}
void mail_index_set_error(struct mail_index *index ATTR_UNUSED,
const char *fmt ATTR_UNUSED, ...)
{
}
void mail_transaction_log_file_set_corrupted(struct mail_transaction_log_file *file ATTR_UNUSED,
const char *fmt ATTR_UNUSED, ...)
{
}
void mail_transaction_logs_clean(struct mail_transaction_log *log ATTR_UNUSED)
{
}
int mail_transaction_log_find_file(struct mail_transaction_log *log,
uint32_t file_seq, bool nfs_flush ATTR_UNUSED,
struct mail_transaction_log_file **file_r,
const char **reason_r)
{
struct mail_transaction_log_file *file, *next;
for (file = log->files; file != NULL; file = next) {
next = file->next;
if (file->hdr.file_seq == file_seq) {
*file_r = file;
return 1;
}
/* refcount=0 files at the beginning of the list may be freed */
if (file->refcount == 0 && file == log->files &&
clean_refcount0_files)
log->files = next;
}
if (clean_refcount0_files && file_seq == 4) {
/* "clean refcount=0 files" test autocreates this file */
test_transaction_log_file_add(4);
*file_r = log->head;
return 1;
}
*reason_r = "not found";
return 0;
}
int mail_transaction_log_file_map(struct mail_transaction_log_file *file ATTR_UNUSED,
uoff_t start_offset ATTR_UNUSED, uoff_t end_offset ATTR_UNUSED,
const char **reason_r ATTR_UNUSED)
{
return 1;
}
int mail_transaction_log_file_get_highest_modseq_at(
struct mail_transaction_log_file *file ATTR_UNUSED,
uoff_t offset ATTR_UNUSED, uint64_t *highest_modseq_r,
const char **error_r ATTR_UNUSED)
{
*highest_modseq_r = 0;
return 1;
}
void mail_transaction_update_modseq(const struct mail_transaction_header *hdr ATTR_UNUSED,
const void *data ATTR_UNUSED,
uint64_t *cur_modseq,
unsigned int version ATTR_UNUSED)
{
*cur_modseq += 1;
}
static bool view_is_file_refed(uint32_t file_seq)
{
struct mail_transaction_log_file *const *files;
unsigned int i, count;
bool ret = FALSE;
files = array_get(&view->file_refs, &count);
for (i = 0; i < count; i++) {
if (files[i]->hdr.file_seq == file_seq) {
i_assert(!ret); /* could be a test too.. */
ret = TRUE;
}
}
return ret;
}
static size_t
add_append_record(struct mail_transaction_log_file *file,
const struct mail_index_record *rec)
{
struct mail_transaction_header hdr;
size_t size;
i_zero(&hdr);
hdr.type = MAIL_TRANSACTION_APPEND | MAIL_TRANSACTION_EXTERNAL;
hdr.size = mail_index_uint32_to_offset(sizeof(hdr) + sizeof(*rec));
buffer_append(file->buffer, &hdr, sizeof(hdr));
buffer_append(file->buffer, rec, sizeof(*rec));
size = sizeof(hdr) + sizeof(*rec);
file->sync_offset += size;
return size;
}
static void test_mail_transaction_log_view(void)
{
const struct mail_transaction_header *hdr;
const struct mail_index_record *rec;
struct mail_index_record append_rec;
const void *data;
void *oldfile;
uint32_t seq;
uoff_t offset, last_log_size;
const char *reason;
bool reset;
test_begin("init");
log = i_new(struct mail_transaction_log, 1);
log->index = i_new(struct mail_index, 1);
log->index->log = log;
log->index->log_sync_locked = TRUE;
test_transaction_log_file_add(1);
test_transaction_log_file_add(2);
test_transaction_log_file_add(3);
/* add an append record to the 3rd log file */
i_zero(&append_rec);
append_rec.uid = 1;
last_log_size = sizeof(struct mail_transaction_log_header) +
add_append_record(log->head, &append_rec);
view = mail_transaction_log_view_open(log);
i_assert(view != NULL);
test_assert(log->views == view &&
!view_is_file_refed(1) && !view_is_file_refed(2) &&
view_is_file_refed(3));
test_end();
/* we have files 1-3 opened */
test_begin("set all");
test_assert(mail_transaction_log_view_set(view, 0, 0, (uint32_t)-1, UOFF_T_MAX, &reset, &reason) == 1 &&
reset && view_is_file_refed(1) && view_is_file_refed(2) &&
view_is_file_refed(3) &&
!mail_transaction_log_view_is_corrupted(view));
mail_transaction_log_view_get_prev_pos(view, &seq, &offset);
test_assert(seq == 1 && offset == sizeof(struct mail_transaction_log_header));
test_assert(mail_transaction_log_view_next(view, &hdr, &data) == 1);
test_assert(hdr->type == (MAIL_TRANSACTION_APPEND | MAIL_TRANSACTION_EXTERNAL));
rec = data;
test_assert(memcmp(rec, &append_rec, sizeof(*rec)) == 0);
test_assert(mail_transaction_log_view_next(view, &hdr, &data) == 0);
test_assert(mail_transaction_log_view_is_last(view));
mail_transaction_log_view_get_prev_pos(view, &seq, &offset);
test_assert(seq == 3 && offset == last_log_size);
test_end();
test_begin("set first");
test_assert(mail_transaction_log_view_set(view, 0, 0, 0, 0, &reset, &reason) == 1);
mail_transaction_log_view_get_prev_pos(view, &seq, &offset);
test_assert(seq == 1 && offset == sizeof(struct mail_transaction_log_header));
test_assert(mail_transaction_log_view_next(view, &hdr, &data) == 0);
mail_transaction_log_view_get_prev_pos(view, &seq, &offset);
test_assert(seq == 1 && offset == sizeof(struct mail_transaction_log_header));
test_end();
test_begin("set end");
test_assert(mail_transaction_log_view_set(view, 3, last_log_size, (uint32_t)-1, UOFF_T_MAX, &reset, &reason) == 1);
mail_transaction_log_view_get_prev_pos(view, &seq, &offset);
test_assert(seq == 3 && offset == last_log_size);
test_assert(mail_transaction_log_view_next(view, &hdr, &data) == 0);
mail_transaction_log_view_get_prev_pos(view, &seq, &offset);
test_assert(seq == 3 && offset == last_log_size);
test_end();
test_begin("log clear");
mail_transaction_log_view_clear(view, 2);
test_assert(!view_is_file_refed(1) && view_is_file_refed(2) &&
view_is_file_refed(3));
oldfile = log->files;
buffer_free(&log->files->buffer);
log->files = log->files->next;
i_free(oldfile);
test_assert(log->files->hdr.file_seq == 2);
test_end();
/* --- first file has been removed --- */
test_begin("set 2-3");
test_assert(mail_transaction_log_view_set(view, 2, 0, (uint32_t)-1, UOFF_T_MAX, &reset, &reason) == 1);
test_end();
test_begin("missing log handing");
test_assert(mail_transaction_log_view_set(view, 0, 0, (uint32_t)-1, UOFF_T_MAX, &reset, &reason) == 0);
test_end();
test_begin("closed log handling");
view->log = NULL;
test_assert(mail_transaction_log_view_set(view, 0, 0, (uint32_t)-1, UOFF_T_MAX, &reset, &reason) == 0);
view->log = log;
test_end();
test_begin("clean refcount=0 files");
oldfile = log->files;
/* clear all references */
mail_transaction_log_view_clear(view, 0);
clean_refcount0_files = TRUE;
/* create a new file during mail_transaction_log_view_set(), which
triggers freeing any unreferenced files. */
test_assert(mail_transaction_log_view_set(view, 2, 0, 4, UOFF_T_MAX, &reset, &reason) == 1);
clean_refcount0_files = FALSE;
log->files = oldfile;
test_end();
mail_transaction_log_view_close(&view);
i_free(log->index);
while (log->files != NULL) {
oldfile = log->files;
buffer_free(&log->files->buffer);
log->files = log->files->next;
i_free(oldfile);
}
i_free(log);
}
int main(void)
{
static void (*const test_functions[])(void) = {
test_mail_transaction_log_view,
NULL
};
return test_run(test_functions);
}
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