ret_t
cherokee_downloader_async_step (cherokee_downloader_async_t *adownloader)
{
int re;
int fd;
int rw;
cherokee_downloader_t *down = DOWNLOADER(adownloader);
cherokee_fdpoll_t *fdpoll = adownloader->fdpoll_ref;
TRACE(ENTRIES, "Enters obj=%p fdpoll=%p\n", adownloader, fdpoll);
return_if_fail ((fdpoll != NULL), ret_error);
/* Watch the fd poll
*/
re = cherokee_fdpoll_watch (fdpoll, WATCH_SLEEP);
TRACE(ENTRIES, "watch = %d\n", re);
if (re <= 0)
return ret_eagain;
/* Check whether we are reading or writting
*/
if (down->phase <= downloader_phase_send_post)
rw = FDPOLL_MODE_WRITE;
else
rw = FDPOLL_MODE_READ;
TRACE(ENTRIES, "rw = %d\n", rw);
/* Check the downloader fd
*/
fd = down->socket.socket;
re = cherokee_fdpoll_check (fdpoll, fd, rw);
switch (re) {
case -1:
PRINT_ERROR("Error polling fd=%d rw=%d\n", fd, rw);
return ret_error;
case 0:
TRACE(ENTRIES, "fd=%d rw=%d, not ready\n", fd, rw);
/* return ret_eagain; */
}
/* If there's something to do, go for it..
*/
TRACE(ENTRIES, "fd=%d rw=%d is active\n", fd, rw);
return cherokee_downloader_step (down, NULL, NULL);
}
static ret_t
do_download (cherokee_downloader_t *downloader)
{
ret_t ret;
cherokee_downloader_status_t status;
cherokee_boolean_t got_headers = false;
cherokee_boolean_t reading = false;
do_download__init(downloader,NULL);
for (;;) {
/* Do some real work
*/
ret = cherokee_downloader_step (downloader, NULL, NULL);
cherokee_downloader_get_status(downloader, &status);
TRACE(ENTRIES, "ret=%d status=%d\n", ret, status);
switch (ret) {
case ret_ok:
if ( !reading && (status & downloader_status_post_sent)) {
reading = true;
}
if ( (status & downloader_status_headers_received) && !got_headers) {
do_download__has_headers (downloader, NULL);
got_headers = true;
}
if (status & downloader_status_data_available) {
do_download__read_body (downloader, NULL);
}
if (status & downloader_status_finished) {
do_download__finish (downloader, NULL);
}
break;
case ret_eagain:
/* It's going on..
*/
break;
case ret_eof_have_data:
if ((status & downloader_status_headers_received) && !got_headers) {
do_download__has_headers (downloader, NULL);
got_headers = true;
}
if (status & downloader_status_data_available) {
do_download__read_body (downloader, NULL);
}
/* fall down */
case ret_eof:
if (status & downloader_status_finished) {
do_download__finish (downloader, NULL);
}
/* fall down */
case ret_error:
/* Finished or critical error
*/
return ret;
default:
SHOULDNT_HAPPEN;
return ret_error;
}
}
return ret_ok;
}
