apr_status_t h2_mplx_in_write(h2_mplx *m, int stream_id,
apr_bucket_brigade *bb)
{
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) {
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_in_write_pre");
status = h2_io_in_write(io, bb);
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_in_write_post");
if (io->input_arrived) {
apr_thread_cond_signal(io->input_arrived);
}
io_process_events(m, io);
}
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->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_process(h2_mplx *m, int stream_id, const h2_request *req,
h2_stream_pri_cmp *cmp, void *ctx)
{
apr_status_t status;
int was_empty = 0;
int acquired;
AP_DEBUG_ASSERT(m);
if ((status = enter_mutex(m, &acquired)) == APR_SUCCESS) {
if (m->aborted) {
status = APR_ECONNABORTED;
}
else {
h2_io *io = open_io(m, stream_id);
io->request = req;
if (!io->request->body) {
status = h2_io_in_close(io);
}
was_empty = h2_tq_empty(m->q);
h2_tq_add(m->q, io->id, cmp, ctx);
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, m->c,
"h2_mplx(%ld-%d): process", m->c->id, stream_id);
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_process");
}
leave_mutex(m, acquired);
}
if (status == APR_SUCCESS && was_empty) {
workers_register(m);
}
return status;
}
apr_status_t h2_mplx_process(h2_mplx *m, int stream_id,
const h2_request *req, int eos,
h2_stream_pri_cmp *cmp, void *ctx)
{
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 = open_io(m, stream_id);
io->request = req;
io->request_body = !eos;
if (eos) {
status = h2_io_in_close(io);
}
h2_tq_add(m->q, io->id, cmp, ctx);
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, m->c,
"h2_mplx(%ld-%d): process", m->c->id, stream_id);
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_process");
apr_thread_mutex_unlock(m->lock);
}
if (status == APR_SUCCESS) {
workers_register(m);
}
return status;
}
apr_status_t h2_mplx_in_write(h2_mplx *m, int stream_id,
apr_bucket_brigade *bb)
{
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_write_pre");
status = h2_io_in_write(io, bb);
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_in_write_post");
h2_io_signal(io, H2_IO_READ);
io_process_events(m, io);
}
else {
status = APR_ECONNABORTED;
}
leave_mutex(m, acquired);
}
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;
}