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 newsnntp *
get_nntp_session(mailmessage * msg)
{
return get_ancestor_session_data(msg)->nntp_session;
}
static inline struct mailmh_folder *
get_mh_cur_folder(mailmessage * msg)
{
return get_ancestor_session_data(msg)->mh_cur_folder;
}
static inline struct mailmh *
get_mh_session(mailmessage * msg)
{
return get_ancestor_session_data(msg)->mh_session;
}
static inline struct mailmbox_folder *
get_mbox_session(mailmessage * msg)
{
return get_ancestor_session_data(msg)->mbox_folder;
}