static int imap_fetch_envelope(mailmessage * msg_info,
struct mailimf_fields ** result)
{
struct mailimf_fields * fields;
int r;
struct mail_cache_db * cache_db;
MMAPString * mmapstr;
char filename[PATH_MAX];
struct imap_cached_session_state_data * data;
int res;
data = get_cached_session_data(msg_info);
if (data->imap_quoted_mb == NULL) {
res = MAIL_ERROR_BAD_STATE;
goto err;
}
snprintf(filename, PATH_MAX, "%s/%s", data->imap_quoted_mb, ENV_NAME);
r = mail_cache_db_open_lock(filename, &cache_db);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db;
}
r = imapdriver_get_cached_envelope(cache_db, mmapstr,
msg_info->msg_session, msg_info, &fields);
if ((r != MAIL_ERROR_CACHE_MISS) && (r != MAIL_NO_ERROR)) {
res = r;
goto close_db;
}
r = mailmessage_fetch_envelope(get_ancestor(msg_info), &fields);
if (r != MAIL_NO_ERROR) {
res = r;
goto close_db;
}
r = imapdriver_write_cached_envelope(cache_db, mmapstr,
msg_info->msg_session, msg_info, fields);
* result = fields;
mmap_string_free(mmapstr);
mail_cache_db_close_unlock(filename, cache_db);
return MAIL_NO_ERROR;
close_db:
mail_cache_db_close_unlock(filename, cache_db);
err:
return res;
}
static void nntp_check(mailmessage * msg_info)
{
if (msg_info->msg_flags != NULL) {
mail_flags_store_set(get_cached_session_data(msg_info)->nntp_flags_store,
msg_info);
/* ignore errors */
}
}
static void build_cache_name(char * filename, size_t size,
mailmessage * msg, char * key)
{
char * quoted_mb;
quoted_mb = get_cached_session_data(msg)->imap_quoted_mb;
snprintf(filename, size, "%s/%s", quoted_mb, key);
}
static void mbox_check(mailmessage * msg_info)
{
int r;
if (msg_info->msg_flags != NULL) {
r = mail_flags_store_set(get_cached_session_data(msg_info)->mbox_flags_store,
msg_info);
/* ignore errors */
}
}
static int nntp_fetch_header(mailmessage * msg_info,
char ** result,
size_t * result_len)
{
struct generic_message_t * msg;
char * headers;
size_t headers_length;
struct nntp_cached_session_state_data * cached_data;
struct nntp_session_state_data * ancestor_data;
int r;
char filename[PATH_MAX];
msg = msg_info->msg_data;
if (msg->msg_message != NULL)
return mailmessage_generic_fetch_header(msg_info,
result, result_len);
/* we try the cached message */
cached_data = get_cached_session_data(msg_info);
ancestor_data = get_ancestor_session_data(msg_info);
snprintf(filename, PATH_MAX, "%s/%s/%i-header",
cached_data->nntp_cache_directory,
ancestor_data->nntp_group_name, msg_info->msg_index);
r = generic_cache_read(filename, &headers, &headers_length);
if (r == MAIL_NO_ERROR) {
* result = headers;
* result_len = headers_length;
return MAIL_NO_ERROR;
}
/* we get the message through the network */
r = nntpdriver_head(get_ancestor_session(msg_info), msg_info->msg_index,
&headers, &headers_length);
if (r != MAIL_NO_ERROR)
return r;
/* we write the message cache */
generic_cache_store(filename, headers, headers_length);
* result = headers;
* result_len = headers_length;
return MAIL_NO_ERROR;
}
static int nntp_prefetch(mailmessage * msg_info)
{
char * msg_content;
size_t msg_length;
struct generic_message_t * msg;
int r;
struct nntp_cached_session_state_data * cached_data;
struct nntp_session_state_data * ancestor_data;
char filename[PATH_MAX];
/* we try the cached message */
cached_data = get_cached_session_data(msg_info);
ancestor_data = get_ancestor_session_data(msg_info);
snprintf(filename, PATH_MAX, "%s/%s/%i", cached_data->nntp_cache_directory,
ancestor_data->nntp_group_name, msg_info->msg_index);
r = generic_cache_read(filename, &msg_content, &msg_length);
if (r == MAIL_NO_ERROR) {
msg = msg_info->msg_data;
msg->msg_message = msg_content;
msg->msg_length = msg_length;
return MAIL_NO_ERROR;
}
/* we get the message through the network */
r = nntpdriver_article(get_ancestor_session(msg_info),
msg_info->msg_index, &msg_content,
&msg_length);
if (r != MAIL_NO_ERROR)
return r;
/* we write the message cache */
generic_cache_store(filename, msg_content, msg_length);
msg = msg_info->msg_data;
msg->msg_message = msg_content;
msg->msg_length = msg_length;
return MAIL_NO_ERROR;
}
static int nntp_get_flags(mailmessage * msg_info,
struct mail_flags ** result)
{
int r;
struct mail_flags * flags;
struct mail_cache_db * cache_db_flags;
char filename_flags[PATH_MAX];
int res;
MMAPString * mmapstr;
if (msg_info->msg_flags != NULL) {
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
flags = mail_flags_store_get(get_cached_session_data(msg_info)->nntp_flags_store, msg_info->msg_index);
if (flags == NULL) {
struct nntp_cached_session_state_data * cached_data;
struct nntp_session_state_data * ancestor_data;
cached_data = get_cached_session_data(msg_info);
ancestor_data = get_ancestor_session_data(msg_info);
if (ancestor_data->nntp_group_name == NULL) {
res = MAIL_ERROR_BAD_STATE;
goto err;
}
snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
cached_data->nntp_flags_directory,
ancestor_data->nntp_group_name, FLAGS_NAME);
r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db_flags;
}
r = nntpdriver_get_cached_flags(cache_db_flags, mmapstr,
msg_info->msg_index, &flags);
if (r != MAIL_NO_ERROR) {
flags = mail_flags_new_empty();
if (flags == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_mmapstr;
}
}
mmap_string_free(mmapstr);
mail_cache_db_close_unlock(filename_flags, cache_db_flags);
}
msg_info->msg_flags = flags;
* result = flags;
return MAIL_NO_ERROR;
free_mmapstr:
mmap_string_free(mmapstr);
close_db_flags:
mail_cache_db_close_unlock(filename_flags, cache_db_flags);
err:
return res;
}
static inline mailsession * get_ancestor_session(mailmessage * msg)
{
return get_cached_session_data(msg)->nntp_ancestor;
}
static int get_flags(mailmessage * msg_info,
struct mail_flags ** result)
{
struct mail_cache_db * cache_db_flags;
chashdatum key;
chashdatum value;
struct maildir * md;
struct mail_flags * flags;
struct maildir_cached_session_state_data * data;
struct maildir_msg * md_msg;
int r;
uint32_t driver_flags;
char filename_flags[PATH_MAX];
char keyname[PATH_MAX];
MMAPString * mmapstr;
if (msg_info->msg_flags != NULL) {
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
data = get_cached_session_data(msg_info);
flags = mail_flags_store_get(data->md_flags_store,
msg_info->msg_index);
if (flags != NULL) {
msg_info->msg_flags = flags;
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
snprintf(filename_flags, PATH_MAX, "%s%c%s%c%s",
data->md_flags_directory, MAIL_DIR_SEPARATOR, data->md_quoted_mb,
MAIL_DIR_SEPARATOR, FLAGS_NAME);
r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
if (r < 0)
return MAIL_ERROR_FILE;
snprintf(keyname, PATH_MAX, "%s-flags", msg_info->msg_uid);
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
mail_cache_db_close_unlock(filename_flags, cache_db_flags);
return MAIL_ERROR_MEMORY;
}
r = generic_cache_flags_read(cache_db_flags, mmapstr, keyname, &flags);
mmap_string_free(mmapstr);
mail_cache_db_close_unlock(filename_flags, cache_db_flags);
if (r != MAIL_NO_ERROR) {
flags = mail_flags_new_empty();
if (flags == NULL)
return MAIL_ERROR_MEMORY;
}
md = get_maildir_session(msg_info);
if (md == NULL)
return MAIL_ERROR_BAD_STATE;
key.data = msg_info->msg_uid;
key.len = (unsigned int) strlen(msg_info->msg_uid);
r = chash_get(md->mdir_msg_hash, &key, &value);
if (r < 0)
return MAIL_ERROR_MSG_NOT_FOUND;
md_msg = value.data;
driver_flags = maildirdriver_maildir_flags_to_flags(md_msg->msg_flags);
flags->fl_flags = driver_flags;
msg_info->msg_flags = flags;
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
static int mbox_get_flags(mailmessage * msg_info,
struct mail_flags ** result)
{
int r;
struct mail_flags * flags;
struct mail_cache_db * cache_db_flags;
char filename_flags[PATH_MAX];
int res;
struct mbox_cached_session_state_data * cached_data;
MMAPString * mmapstr;
struct mailmbox_folder * folder;
if (msg_info->msg_flags != NULL) {
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
flags = mail_flags_store_get(get_cached_session_data(msg_info)->mbox_flags_store,
msg_info->msg_index);
if (flags == NULL) {
folder = get_mbox_session(msg_info);
if (folder == NULL) {
res = MAIL_ERROR_BAD_STATE;
goto err;
}
cached_data = get_cached_session_data(msg_info);
if (cached_data->mbox_quoted_mb == NULL) {
res = MAIL_ERROR_BAD_STATE;
goto err;
}
snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
cached_data->mbox_flags_directory,
cached_data->mbox_quoted_mb, FLAGS_NAME);
r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db_flags;
}
if (msg_info->msg_index > folder->mb_written_uid) {
flags = mail_flags_new_empty();
}
else {
r = mboxdriver_get_cached_flags(cache_db_flags, mmapstr,
msg_info->msg_session,
msg_info->msg_index, &flags);
if (r != MAIL_NO_ERROR) {
flags = mail_flags_new_empty();
if (flags == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_mmapstr;
}
}
}
mmap_string_free(mmapstr);
mail_cache_db_close_unlock(filename_flags, cache_db_flags);
}
msg_info->msg_flags = flags;
* result = flags;
return MAIL_NO_ERROR;
free_mmapstr:
mmap_string_free(mmapstr);
close_db_flags:
mail_cache_db_close_unlock(filename_flags, cache_db_flags);
err:
return res;
}