test-mail-transaction-log-append.c revision 92dab926b2f2270057b40a907a00cf8eb2309ed6
/* Copyright (c) 2009-2017 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "buffer.h"
#include "test-common.h"
#include "mail-index-private.h"
#include "mail-transaction-log-private.h"
#include <sys/stat.h>
static bool log_lock_failure = FALSE;
void mail_index_file_set_syscall_error(struct mail_index *index ATTR_UNUSED,
const char *filepath ATTR_UNUSED,
const char *function ATTR_UNUSED)
{
}
int mail_transaction_log_lock_head(struct mail_transaction_log *log ATTR_UNUSED,
const char *lock_reason ATTR_UNUSED)
{
return log_lock_failure ? -1 : 0;
}
void mail_transaction_log_file_unlock(struct mail_transaction_log_file *file ATTR_UNUSED,
const char *lock_reason ATTR_UNUSED) {}
void mail_transaction_update_modseq(const struct mail_transaction_header *hdr,
const void *data ATTR_UNUSED,
uint64_t *cur_modseq,
unsigned int version ATTR_UNUSED)
{
if ((hdr->type & MAIL_TRANSACTION_EXPUNGE) != 0)
*cur_modseq += 1;
}
int mail_index_move_to_memory(struct mail_index *index ATTR_UNUSED)
{
return -1;
}
static void test_append_expunge(struct mail_transaction_log *log)
{
static unsigned int buf[] = { 0x12345678, 0xabcdef09 };
struct mail_transaction_log_file *file = log->head;
struct mail_transaction_log_append_ctx *ctx;
const struct mail_transaction_header *hdr;
const unsigned int *bufp;
const struct mail_transaction_boundary *bound;
test_assert(mail_transaction_log_append_begin(log->index, MAIL_TRANSACTION_EXTERNAL, &ctx) == 0);
mail_transaction_log_append_add(ctx, MAIL_TRANSACTION_APPEND,
&buf[0], sizeof(buf[0]));
test_assert(ctx->new_highest_modseq == 0);
mail_transaction_log_append_add(ctx, MAIL_TRANSACTION_EXPUNGE,
&buf[1], sizeof(buf[1]));
test_assert(ctx->new_highest_modseq == 1);
test_assert(mail_transaction_log_append_commit(&ctx) == 0);
test_assert(file->sync_highest_modseq == 1);
test_assert(file->sync_offset == file->buffer_offset + file->buffer->used);
hdr = file->buffer->data;
test_assert(hdr->type == (MAIL_TRANSACTION_BOUNDARY |
MAIL_TRANSACTION_EXTERNAL));
test_assert(mail_index_offset_to_uint32(hdr->size) == sizeof(*hdr) + sizeof(*bound));
bound = (const void *)(hdr + 1);
test_assert(bound->size == file->buffer->used);
hdr = (const void *)(bound + 1);
test_assert(hdr->type == (MAIL_TRANSACTION_APPEND |
MAIL_TRANSACTION_EXTERNAL));
test_assert(mail_index_offset_to_uint32(hdr->size) == sizeof(*hdr) + sizeof(buf[0]));
bufp = (const void *)(hdr + 1);
test_assert(*bufp == buf[0]);
hdr = (const void *)(bufp + 1);
test_assert(hdr->type == (MAIL_TRANSACTION_EXPUNGE |
MAIL_TRANSACTION_EXPUNGE_PROT |
MAIL_TRANSACTION_EXTERNAL));
test_assert(mail_index_offset_to_uint32(hdr->size) == sizeof(*hdr) + sizeof(buf[0]));
bufp = (const void *)(hdr + 1);
test_assert(*bufp == buf[1]);
test_assert(file->buffer->used == (size_t)((const char *)(bufp+1) - (const char *)file->buffer->data));
buffer_set_used_size(file->buffer, 0);
file->buffer_offset = 0;
test_end();
}
static void test_append_sync_offset(struct mail_transaction_log *log)
{
struct mail_transaction_log_file *file = log->head;
struct mail_transaction_log_append_ctx *ctx;
const struct mail_transaction_header *hdr;
const struct mail_transaction_header_update *u;
const uint32_t *offsetp;
test_begin("transaction log append: append_sync_offset only");
test_assert(mail_transaction_log_append_begin(log->index, 0, &ctx) == 0);
ctx->index_sync_transaction = TRUE;
file->max_tail_offset = 123;
test_assert(mail_transaction_log_append_commit(&ctx) == 0);
test_assert(file->buffer->used == sizeof(*hdr) + sizeof(*u) + sizeof(*offsetp));
hdr = file->buffer->data;
test_assert(hdr->type == MAIL_TRANSACTION_HEADER_UPDATE);
test_assert(mail_index_offset_to_uint32(hdr->size) == file->buffer->used);
u = (const void *)(hdr + 1);
test_assert(u->offset == offsetof(struct mail_index_header, log_file_tail_offset));
test_assert(u->size == sizeof(*offsetp));
offsetp = (const void *)(u+1);
test_assert(*offsetp == 123);
test_end();
}
static void test_mail_transaction_log_append(void)
{
struct mail_transaction_log *log;
struct mail_transaction_log_file *file;
struct mail_transaction_log_append_ctx *ctx;
char tmp_path[] = "/tmp/dovecot.test.XXXXXX";
struct stat st;
int fd;
fd = mkstemp(tmp_path);
if (fd == -1)
i_fatal("mkstemp(%s) failed: %m", tmp_path);
test_begin("transaction log append");
log = i_new(struct mail_transaction_log, 1);
log->index = i_new(struct mail_index, 1);
log->index->log = log;
log->head = file = i_new(struct mail_transaction_log_file, 1);
file->fd = -1;
test_append_expunge(log);
test_begin("transaction log append: lock failure");
log_lock_failure = TRUE;
test_assert(mail_transaction_log_append_begin(log->index, 0, &ctx) < 0);
log_lock_failure = FALSE;
test_end();
test_append_sync_offset(log);
/* do this after head->buffer has already been initialized */
test_begin("transaction log append: garbage truncation");
file->sync_offset = 1;
file->buffer_offset = 1;
file->last_size = 3;
file->fd = fd;
test_assert(mail_transaction_log_append_begin(log->index, 0, &ctx) == 0);
test_assert(mail_transaction_log_append_commit(&ctx) == 0);
if (fstat(fd, &st) < 0) i_fatal("fstat() failed: %m");
test_assert(st.st_size == 1);
file->fd = -1;
test_end();
buffer_free(&log->head->buffer);
i_free(log->head);
i_free(log->index);
i_free(log);
i_unlink(tmp_path);
}
int main(void)
{
static void (*const test_functions[])(void) = {
test_mail_transaction_log_append,
NULL
};
return test_run(test_functions);
}