apr_status_t h2_mplx_in_read(h2_mplx *m, apr_read_type_e block,
int stream_id, apr_bucket_brigade *bb,
struct apr_thread_cond_t *iowait)
{
apr_status_t status;
AP_DEBUG_ASSERT(m);
if (m->aborted) {
return APR_ECONNABORTED;
}
status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
h2_io *io = h2_io_set_get(m->stream_ios, stream_id);
if (io && !io->orphaned) {
io->input_arrived = iowait;
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_in_read_pre");
status = h2_io_in_read(io, bb, -1);
while (APR_STATUS_IS_EAGAIN(status)
&& !is_aborted(m, &status)
&& block == APR_BLOCK_READ) {
apr_thread_cond_wait(io->input_arrived, m->lock);
status = h2_io_in_read(io, bb, -1);
}
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_in_read_post");
io->input_arrived = NULL;
}
else {
status = APR_EOF;
}
apr_thread_mutex_unlock(m->lock);
}
return status;
}
apr_status_t h2_mplx_in_read(h2_mplx *m, apr_read_type_e block,
int stream_id, apr_bucket_brigade *bb,
struct apr_thread_cond_t *iowait)
{
apr_status_t status;
AP_DEBUG_ASSERT(m);
if (m->aborted) {
return APR_ECONNABORTED;
}
status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
h2_io *io = h2_io_set_get(m->stream_ios, stream_id);
if (io) {
io->input_arrived = iowait;
status = h2_io_in_read(io, bb, 0);
while (status == APR_EAGAIN
&& !is_aborted(m, &status)
&& block == APR_BLOCK_READ) {
apr_thread_cond_wait(io->input_arrived, m->lock);
status = h2_io_in_read(io, bb, 0);
}
io->input_arrived = NULL;
}
else {
status = APR_EOF;
}
apr_thread_mutex_unlock(m->lock);
}
return status;
}
apr_status_t h2_mplx_in_read(h2_mplx *m, apr_read_type_e block,
int stream_id, apr_bucket_brigade *bb,
apr_table_t *trailers,
struct apr_thread_cond_t *iowait)
{
apr_status_t status;
int acquired;
AP_DEBUG_ASSERT(m);
if ((status = enter_mutex(m, &acquired)) == APR_SUCCESS) {
h2_io *io = h2_io_set_get(m->stream_ios, stream_id);
if (io && !io->orphaned) {
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_in_read_pre");
h2_io_signal_init(io, H2_IO_READ, m->stream_timeout, iowait);
status = h2_io_in_read(io, bb, -1, trailers);
while (APR_STATUS_IS_EAGAIN(status)
&& !is_aborted(m, &status)
&& block == APR_BLOCK_READ) {
ap_log_cerror(APLOG_MARK, APLOG_TRACE2, status, m->c,
"h2_mplx(%ld-%d): wait on in data (BLOCK_READ)",
m->id, stream_id);
status = h2_io_signal_wait(m, io);
if (status == APR_SUCCESS) {
status = h2_io_in_read(io, bb, -1, trailers);
}
}
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_in_read_post");
h2_io_signal_exit(io);
}
else {
status = APR_EOF;
}
leave_mutex(m, acquired);
}
return status;
}
