static apr_status_t out_write(h2_mplx *m, h2_io *io,
ap_filter_t* f, apr_bucket_brigade *bb,
apr_table_t *trailers,
struct apr_thread_cond_t *iowait)
{
apr_status_t status = APR_SUCCESS;
/* We check the memory footprint queued for this stream_id
* and block if it exceeds our configured limit.
* We will not split buckets to enforce the limit to the last
* byte. After all, the bucket is already in memory.
*/
while (status == APR_SUCCESS
&& !APR_BRIGADE_EMPTY(bb)
&& !is_aborted(m, &status)) {
status = h2_io_out_write(io, bb, m->stream_max_mem, trailers,
&m->tx_handles_reserved);
/* Wait for data to drain until there is room again or
* stream timeout expires */
h2_io_signal_init(io, H2_IO_WRITE, m->stream_timeout, iowait);
while (status == APR_SUCCESS
&& !APR_BRIGADE_EMPTY(bb)
&& iowait
&& (m->stream_max_mem <= h2_io_out_length(io))
&& !is_aborted(m, &status)) {
trailers = NULL;
if (f) {
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, f->c,
"h2_mplx(%ld-%d): waiting for out drain",
m->id, io->id);
}
status = h2_io_signal_wait(m, io);
}
h2_io_signal_exit(io);
}
apr_brigade_cleanup(bb);
return status;
}
static apr_status_t out_write(h2_mplx *m, h2_io *io,
ap_filter_t* f, apr_bucket_brigade *bb,
struct apr_thread_cond_t *iowait)
{
apr_status_t status = APR_SUCCESS;
/* We check the memory footprint queued for this stream_id
* and block if it exceeds our configured limit.
* We will not split buckets to enforce the limit to the last
* byte. After all, the bucket is already in memory.
*/
while (!APR_BRIGADE_EMPTY(bb)
&& (status == APR_SUCCESS)
&& !is_aborted(m, &status)) {
status = h2_io_out_write(io, bb, m->stream_max_mem,
&m->file_handles_allowed);
/* Wait for data to drain until there is room again */
while (!APR_BRIGADE_EMPTY(bb)
&& iowait
&& status == APR_SUCCESS
&& (m->stream_max_mem <= h2_io_out_length(io))
&& !is_aborted(m, &status)) {
io->output_drained = iowait;
if (f) {
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, f->c,
"h2_mplx(%ld-%d): waiting for out drain",
m->id, io->id);
}
apr_thread_cond_wait(io->output_drained, m->lock);
io->output_drained = NULL;
}
}
apr_brigade_cleanup(bb);
return status;
}