--- /dev/null
+Index: modules/http2/h2_bucket_beam.c
+===================================================================
+--- modules/http2/h2_bucket_beam.c (revision 1804645)
++++ modules/http2/h2_bucket_beam.c (working copy)
+@@ -287,7 +287,7 @@
+ /* do not count */
+ }
+ else if (APR_BUCKET_IS_FILE(b)) {
+- /* if unread, has no real mem footprint. how to test? */
++ /* if unread, has no real mem footprint. */
+ }
+ else {
+ len += b->length;
+@@ -316,32 +316,80 @@
+ return APR_SIZE_MAX;
+ }
+
+-static apr_status_t wait_cond(h2_bucket_beam *beam, apr_thread_mutex_t *lock)
++static int buffer_is_empty(h2_bucket_beam *beam)
+ {
+- if (beam->timeout > 0) {
+- return apr_thread_cond_timedwait(beam->cond, lock, beam->timeout);
++ return ((!beam->recv_buffer || APR_BRIGADE_EMPTY(beam->recv_buffer))
++ && H2_BLIST_EMPTY(&beam->send_list));
++}
++
++static apr_status_t wait_empty(h2_bucket_beam *beam, apr_read_type_e block,
++ apr_thread_mutex_t *lock)
++{
++ apr_status_t rv = APR_SUCCESS;
++
++ while (!buffer_is_empty(beam) && APR_SUCCESS == rv) {
++ if (APR_BLOCK_READ != block || !lock) {
++ rv = APR_EAGAIN;
++ }
++ else if (beam->timeout > 0) {
++ rv = apr_thread_cond_timedwait(beam->change, lock, beam->timeout);
++ }
++ else {
++ rv = apr_thread_cond_wait(beam->change, lock);
++ }
+ }
+- else {
+- return apr_thread_cond_wait(beam->cond, lock);
++ return rv;
++}
++
++static apr_status_t wait_not_empty(h2_bucket_beam *beam, apr_read_type_e block,
++ apr_thread_mutex_t *lock)
++{
++ apr_status_t rv = APR_SUCCESS;
++
++ while (buffer_is_empty(beam) && APR_SUCCESS == rv) {
++ if (beam->aborted) {
++ rv = APR_ECONNABORTED;
++ }
++ else if (beam->closed) {
++ rv = APR_EOF;
++ }
++ else if (APR_BLOCK_READ != block || !lock) {
++ rv = APR_EAGAIN;
++ }
++ else if (beam->timeout > 0) {
++ rv = apr_thread_cond_timedwait(beam->change, lock, beam->timeout);
++ }
++ else {
++ rv = apr_thread_cond_wait(beam->change, lock);
++ }
+ }
++ return rv;
+ }
+
+-static apr_status_t r_wait_space(h2_bucket_beam *beam, apr_read_type_e block,
+- h2_beam_lock *pbl, apr_size_t *premain)
++static apr_status_t wait_not_full(h2_bucket_beam *beam, apr_read_type_e block,
++ apr_size_t *pspace_left, h2_beam_lock *bl)
+ {
+- *premain = calc_space_left(beam);
+- while (!beam->aborted && *premain <= 0
+- && (block == APR_BLOCK_READ) && pbl->mutex) {
+- apr_status_t status;
+- report_prod_io(beam, 1, pbl);
+- status = wait_cond(beam, pbl->mutex);
+- if (APR_STATUS_IS_TIMEUP(status)) {
+- return status;
++ apr_status_t rv = APR_SUCCESS;
++ apr_size_t left;
++
++ while (0 == (left = calc_space_left(beam)) && APR_SUCCESS == rv) {
++ if (beam->aborted) {
++ rv = APR_ECONNABORTED;
+ }
+- r_purge_sent(beam);
+- *premain = calc_space_left(beam);
++ else if (block != APR_BLOCK_READ || !bl->mutex) {
++ rv = APR_EAGAIN;
++ }
++ else {
++ if (beam->timeout > 0) {
++ rv = apr_thread_cond_timedwait(beam->change, bl->mutex, beam->timeout);
++ }
++ else {
++ rv = apr_thread_cond_wait(beam->change, bl->mutex);
++ }
++ }
+ }
+- return beam->aborted? APR_ECONNABORTED : APR_SUCCESS;
++ *pspace_left = left;
++ return rv;
+ }
+
+ static void h2_beam_emitted(h2_bucket_beam *beam, h2_beam_proxy *proxy)
+@@ -404,8 +452,8 @@
+ if (!bl.mutex) {
+ r_purge_sent(beam);
+ }
+- else if (beam->cond) {
+- apr_thread_cond_broadcast(beam->cond);
++ else {
++ apr_thread_cond_broadcast(beam->change);
+ }
+ leave_yellow(beam, &bl);
+ }
+@@ -425,9 +473,7 @@
+ {
+ if (!beam->closed) {
+ beam->closed = 1;
+- if (beam->cond) {
+- apr_thread_cond_broadcast(beam->cond);
+- }
++ apr_thread_cond_broadcast(beam->change);
+ }
+ return APR_SUCCESS;
+ }
+@@ -582,7 +628,7 @@
+ apr_interval_time_t timeout)
+ {
+ h2_bucket_beam *beam;
+- apr_status_t status = APR_SUCCESS;
++ apr_status_t rv = APR_SUCCESS;
+
+ beam = apr_pcalloc(pool, sizeof(*beam));
+ if (!beam) {
+@@ -601,16 +647,15 @@
+ beam->max_buf_size = max_buf_size;
+ beam->timeout = timeout;
+
+- status = apr_thread_mutex_create(&beam->lock, APR_THREAD_MUTEX_DEFAULT,
+- pool);
+- if (status == APR_SUCCESS) {
+- status = apr_thread_cond_create(&beam->cond, pool);
+- if (status == APR_SUCCESS) {
++ rv = apr_thread_mutex_create(&beam->lock, APR_THREAD_MUTEX_DEFAULT, pool);
++ if (APR_SUCCESS == rv) {
++ rv = apr_thread_cond_create(&beam->change, pool);
++ if (APR_SUCCESS == rv) {
+ apr_pool_pre_cleanup_register(pool, beam, beam_cleanup);
+ *pbeam = beam;
+ }
+ }
+- return status;
++ return rv;
+ }
+
+ void h2_beam_buffer_size_set(h2_bucket_beam *beam, apr_size_t buffer_size)
+@@ -691,9 +736,7 @@
+ h2_blist_cleanup(&beam->send_list);
+ report_consumption(beam, &bl);
+ }
+- if (beam->cond) {
+- apr_thread_cond_broadcast(beam->cond);
+- }
++ apr_thread_cond_broadcast(beam->change);
+ leave_yellow(beam, &bl);
+ }
+ }
+@@ -730,18 +773,7 @@
+ h2_beam_lock bl;
+
+ if ((status = enter_yellow(beam, &bl)) == APR_SUCCESS) {
+- while (status == APR_SUCCESS
+- && !H2_BLIST_EMPTY(&beam->send_list)
+- && !H2_BPROXY_LIST_EMPTY(&beam->proxies)) {
+- if (block == APR_NONBLOCK_READ || !bl.mutex) {
+- status = APR_EAGAIN;
+- break;
+- }
+- if (beam->cond) {
+- apr_thread_cond_broadcast(beam->cond);
+- }
+- status = wait_cond(beam, bl.mutex);
+- }
++ status = wait_empty(beam, block, bl.mutex);
+ leave_yellow(beam, &bl);
+ }
+ return status;
+@@ -761,13 +793,18 @@
+ static apr_status_t append_bucket(h2_bucket_beam *beam,
+ apr_bucket *b,
+ apr_read_type_e block,
++ apr_size_t *pspace_left,
+ h2_beam_lock *pbl)
+ {
+ const char *data;
+ apr_size_t len;
+- apr_size_t space_left = 0;
+ apr_status_t status;
++ int can_beam, check_len;
+
++ if (beam->aborted) {
++ return APR_ECONNABORTED;
++ }
++
+ if (APR_BUCKET_IS_METADATA(b)) {
+ if (APR_BUCKET_IS_EOS(b)) {
+ beam->closed = 1;
+@@ -777,11 +814,31 @@
+ return APR_SUCCESS;
+ }
+ else if (APR_BUCKET_IS_FILE(b)) {
+- /* file bucket lengths do not really count */
++ /* For file buckets the problem is their internal readpool that
++ * is used on the first read to allocate buffer/mmap.
++ * Since setting aside a file bucket will de-register the
++ * file cleanup function from the previous pool, we need to
++ * call that only from the sender thread.
++ *
++ * Currently, we do not handle file bucket with refcount > 1 as
++ * the beam is then not in complete control of the file's lifetime.
++ * Which results in the bug that a file get closed by the receiver
++ * while the sender or the beam still have buckets using it.
++ *
++ * Additionally, we allow callbacks to prevent beaming file
++ * handles across. The use case for this is to limit the number
++ * of open file handles and rather use a less efficient beam
++ * transport. */
++ apr_bucket_file *bf = b->data;
++ apr_file_t *fd = bf->fd;
++ can_beam = (bf->refcount.refcount == 1);
++ if (can_beam && beam->can_beam_fn) {
++ can_beam = beam->can_beam_fn(beam->can_beam_ctx, beam, fd);
++ }
++ check_len = !can_beam;
+ }
+ else {
+- space_left = calc_space_left(beam);
+- if (space_left > 0 && b->length == ((apr_size_t)-1)) {
++ if (b->length == ((apr_size_t)-1)) {
+ const char *data;
+ status = apr_bucket_read(b, &data, &len, APR_BLOCK_READ);
+ if (status != APR_SUCCESS) {
+@@ -788,19 +845,15 @@
+ return status;
+ }
+ }
+-
+- if (space_left <= 0) {
+- status = r_wait_space(beam, block, pbl, &space_left);
+- if (status != APR_SUCCESS) {
+- return status;
+- }
+- if (space_left <= 0) {
+- return APR_EAGAIN;
+- }
++ check_len = 1;
++ }
++
++ if (check_len) {
++ if (b->length > *pspace_left) {
++ apr_bucket_split(b, *pspace_left);
+ }
+- /* space available, maybe need bucket split */
++ *pspace_left -= b->length;
+ }
+-
+
+ /* The fundamental problem is that reading a sender bucket from
+ * a receiver thread is a total NO GO, because the bucket might use
+@@ -830,32 +883,8 @@
+ apr_bucket_heap_make(b, data, len, NULL);
+ }
+ }
+- else if (APR_BUCKET_IS_FILE(b)) {
+- /* For file buckets the problem is their internal readpool that
+- * is used on the first read to allocate buffer/mmap.
+- * Since setting aside a file bucket will de-register the
+- * file cleanup function from the previous pool, we need to
+- * call that only from the sender thread.
+- *
+- * Currently, we do not handle file bucket with refcount > 1 as
+- * the beam is then not in complete control of the file's lifetime.
+- * Which results in the bug that a file get closed by the receiver
+- * while the sender or the beam still have buckets using it.
+- *
+- * Additionally, we allow callbacks to prevent beaming file
+- * handles across. The use case for this is to limit the number
+- * of open file handles and rather use a less efficient beam
+- * transport. */
+- apr_bucket_file *bf = b->data;
+- apr_file_t *fd = bf->fd;
+- int can_beam = (bf->refcount.refcount == 1);
+- if (can_beam && beam->can_beam_fn) {
+- can_beam = beam->can_beam_fn(beam->can_beam_ctx, beam, fd);
+- }
+- if (can_beam) {
+- status = apr_bucket_setaside(b, beam->send_pool);
+- }
+- /* else: enter ENOTIMPL case below */
++ else if (APR_BUCKET_IS_FILE(b) && can_beam) {
++ status = apr_bucket_setaside(b, beam->send_pool);
+ }
+
+ if (status == APR_ENOTIMPL) {
+@@ -865,12 +894,6 @@
+ * a counter example).
+ * We do the read while in the sender thread, so that the bucket may
+ * use pools/allocators safely. */
+- if (space_left < APR_BUCKET_BUFF_SIZE) {
+- space_left = APR_BUCKET_BUFF_SIZE;
+- }
+- if (space_left < b->length) {
+- apr_bucket_split(b, space_left);
+- }
+ status = apr_bucket_read(b, &data, &len, APR_BLOCK_READ);
+ if (status == APR_SUCCESS) {
+ status = apr_bucket_setaside(b, beam->send_pool);
+@@ -884,7 +907,7 @@
+ APR_BUCKET_REMOVE(b);
+ H2_BLIST_INSERT_TAIL(&beam->send_list, b);
+ beam->sent_bytes += b->length;
+-
++
+ return APR_SUCCESS;
+ }
+
+@@ -904,7 +927,8 @@
+ apr_read_type_e block)
+ {
+ apr_bucket *b;
+- apr_status_t status = APR_SUCCESS;
++ apr_status_t rv = APR_SUCCESS;
++ apr_size_t space_left = 0;
+ h2_beam_lock bl;
+
+ /* Called from the sender thread to add buckets to the beam */
+@@ -914,23 +938,31 @@
+
+ if (beam->aborted) {
+ move_to_hold(beam, sender_bb);
+- status = APR_ECONNABORTED;
++ rv = APR_ECONNABORTED;
+ }
+ else if (sender_bb) {
+- int force_report = !APR_BRIGADE_EMPTY(sender_bb);
+- while (!APR_BRIGADE_EMPTY(sender_bb) && status == APR_SUCCESS) {
++ int force_report = !APR_BRIGADE_EMPTY(sender_bb);
++
++ space_left = calc_space_left(beam);
++ while (!APR_BRIGADE_EMPTY(sender_bb) && APR_SUCCESS == rv) {
++ if (space_left <= 0) {
++ report_prod_io(beam, force_report, &bl);
++ rv = wait_not_full(beam, block, &space_left, &bl);
++ if (APR_SUCCESS != rv) {
++ break;
++ }
++ }
+ b = APR_BRIGADE_FIRST(sender_bb);
+- status = append_bucket(beam, b, block, &bl);
++ rv = append_bucket(beam, b, block, &space_left, &bl);
+ }
++
+ report_prod_io(beam, force_report, &bl);
+- if (beam->cond) {
+- apr_thread_cond_broadcast(beam->cond);
+- }
++ apr_thread_cond_broadcast(beam->change);
+ }
+ report_consumption(beam, &bl);
+ leave_yellow(beam, &bl);
+ }
+- return status;
++ return rv;
+ }
+
+ apr_status_t h2_beam_receive(h2_bucket_beam *beam,
+@@ -942,11 +974,16 @@
+ apr_bucket *bsender, *brecv, *ng;
+ int transferred = 0;
+ apr_status_t status = APR_SUCCESS;
+- apr_off_t remain = readbytes;
++ apr_off_t remain;
+ int transferred_buckets = 0;
+
+ /* Called from the receiver thread to take buckets from the beam */
+ if (enter_yellow(beam, &bl) == APR_SUCCESS) {
++ if (readbytes <= 0) {
++ readbytes = APR_SIZE_MAX;
++ }
++ remain = readbytes;
++
+ transfer:
+ if (beam->aborted) {
+ recv_buffer_cleanup(beam, &bl);
+@@ -955,11 +992,12 @@
+ }
+
+ /* transfer enough buckets from our receiver brigade, if we have one */
+- while (beam->recv_buffer
+- && !APR_BRIGADE_EMPTY(beam->recv_buffer)
+- && (readbytes <= 0 || remain >= 0)) {
++ while (remain >= 0
++ && beam->recv_buffer
++ && !APR_BRIGADE_EMPTY(beam->recv_buffer)) {
++
+ brecv = APR_BRIGADE_FIRST(beam->recv_buffer);
+- if (readbytes > 0 && brecv->length > 0 && remain <= 0) {
++ if (brecv->length > 0 && remain <= 0) {
+ break;
+ }
+ APR_BUCKET_REMOVE(brecv);
+@@ -970,11 +1008,11 @@
+
+ /* transfer from our sender brigade, transforming sender buckets to
+ * receiver ones until we have enough */
+- while (!H2_BLIST_EMPTY(&beam->send_list) && (readbytes <= 0 || remain >= 0)) {
+- bsender = H2_BLIST_FIRST(&beam->send_list);
++ while (remain >= 0 && !H2_BLIST_EMPTY(&beam->send_list)) {
++
+ brecv = NULL;
+-
+- if (readbytes > 0 && bsender->length > 0 && remain <= 0) {
++ bsender = H2_BLIST_FIRST(&beam->send_list);
++ if (bsender->length > 0 && remain <= 0) {
+ break;
+ }
+
+@@ -1020,11 +1058,12 @@
+ * been handed out. See also PR 59348 */
+ apr_bucket_file_enable_mmap(ng, 0);
+ #endif
+- remain -= bsender->length;
+- ++transferred;
+ APR_BUCKET_REMOVE(bsender);
+ H2_BLIST_INSERT_TAIL(&beam->hold_list, bsender);
++
++ remain -= bsender->length;
+ ++transferred;
++ ++transferred_buckets;
+ continue;
+ }
+ else {
+@@ -1041,6 +1080,7 @@
+ * receiver bucket references it any more. */
+ APR_BUCKET_REMOVE(bsender);
+ H2_BLIST_INSERT_TAIL(&beam->hold_list, bsender);
++
+ beam->received_bytes += bsender->length;
+ ++transferred_buckets;
+
+@@ -1063,8 +1103,8 @@
+ }
+ }
+
+- if (readbytes > 0 && remain < 0) {
+- /* too much, put some back */
++ if (remain < 0) {
++ /* too much, put some back into out recv_buffer */
+ remain = readbytes;
+ for (brecv = APR_BRIGADE_FIRST(bb);
+ brecv != APR_BRIGADE_SENTINEL(bb);
+@@ -1081,15 +1121,7 @@
+ }
+ }
+
+- if (transferred_buckets > 0) {
+- if (beam->cons_ev_cb) {
+- beam->cons_ev_cb(beam->cons_ctx, beam);
+- }
+- }
+-
+- if (beam->closed
+- && (!beam->recv_buffer || APR_BRIGADE_EMPTY(beam->recv_buffer))
+- && H2_BLIST_EMPTY(&beam->send_list)) {
++ if (beam->closed && buffer_is_empty(beam)) {
+ /* beam is closed and we have nothing more to receive */
+ if (!beam->close_sent) {
+ apr_bucket *b = apr_bucket_eos_create(bb->bucket_alloc);
+@@ -1100,28 +1132,23 @@
+ }
+ }
+
++ if (transferred_buckets > 0) {
++ if (beam->cons_ev_cb) {
++ beam->cons_ev_cb(beam->cons_ctx, beam);
++ }
++ }
++
+ if (transferred) {
+- if (beam->cond) {
+- apr_thread_cond_broadcast(beam->cond);
+- }
++ apr_thread_cond_broadcast(beam->change);
+ status = APR_SUCCESS;
+ }
+- else if (beam->closed) {
+- status = APR_EOF;
+- }
+- else if (block == APR_BLOCK_READ && bl.mutex && beam->cond) {
+- status = wait_cond(beam, bl.mutex);
++ else {
++ status = wait_not_empty(beam, block, bl.mutex);
+ if (status != APR_SUCCESS) {
+ goto leave;
+ }
+ goto transfer;
+ }
+- else {
+- if (beam->cond) {
+- apr_thread_cond_broadcast(beam->cond);
+- }
+- status = APR_EAGAIN;
+- }
+ leave:
+ leave_yellow(beam, &bl);
+ }
+Index: modules/http2/h2_bucket_beam.h
+===================================================================
+--- modules/http2/h2_bucket_beam.h (revision 1804645)
++++ modules/http2/h2_bucket_beam.h (working copy)
+@@ -190,7 +190,7 @@
+ unsigned int tx_mem_limits : 1; /* only memory size counts on transfers */
+
+ struct apr_thread_mutex_t *lock;
+- struct apr_thread_cond_t *cond;
++ struct apr_thread_cond_t *change;
+ void *m_ctx;
+ h2_beam_mutex_enter *m_enter;
+
+Index: modules/http2/h2_stream.c
+===================================================================
+--- modules/http2/h2_stream.c (revision 1804645)
++++ modules/http2/h2_stream.c (working copy)
+@@ -774,20 +774,20 @@
+ return NULL;
+ }
+
+-static apr_status_t add_data(h2_stream *stream, apr_off_t requested,
+- apr_off_t *plen, int *peos, int *complete,
+- h2_headers **pheaders)
++static apr_status_t add_buffered_data(h2_stream *stream, apr_off_t requested,
++ apr_off_t *plen, int *peos, int *is_all,
++ h2_headers **pheaders)
+ {
+ apr_bucket *b, *e;
+
+ *peos = 0;
+ *plen = 0;
+- *complete = 0;
++ *is_all = 0;
+ if (pheaders) {
+ *pheaders = NULL;
+ }
+
+- H2_STREAM_OUT_LOG(APLOG_TRACE2, stream, "add_data");
++ H2_STREAM_OUT_LOG(APLOG_TRACE2, stream, "add_buffered_data");
+ b = APR_BRIGADE_FIRST(stream->out_buffer);
+ while (b != APR_BRIGADE_SENTINEL(stream->out_buffer)) {
+ e = APR_BUCKET_NEXT(b);
+@@ -833,7 +833,7 @@
+ }
+ b = e;
+ }
+- *complete = 1;
++ *is_all = 1;
+ return APR_SUCCESS;
+ }
+
+@@ -865,7 +865,7 @@
+ requested = (*plen > 0)? H2MIN(*plen, max_chunk) : max_chunk;
+
+ /* count the buffered data until eos or a headers bucket */
+- status = add_data(stream, requested, plen, peos, &complete, pheaders);
++ status = add_buffered_data(stream, requested, plen, peos, &complete, pheaders);
+
+ if (status == APR_EAGAIN) {
+ /* TODO: ugly, someone needs to retrieve the response first */
+@@ -882,29 +882,39 @@
+ return APR_SUCCESS;
+ }
+
++ /* If there we do not have enough buffered data to satisfy the requested
++ * length *and* we counted the _complete_ buffer (and did not stop in the middle
++ * because of meta data there), lets see if we can read more from the
++ * output beam */
+ missing = H2MIN(requested, stream->max_mem) - *plen;
+ if (complete && !*peos && missing > 0) {
++ apr_status_t rv = APR_EOF;
++
+ if (stream->output) {
+ H2_STREAM_OUT_LOG(APLOG_TRACE2, stream, "pre");
+- status = h2_beam_receive(stream->output, stream->out_buffer,
+- APR_NONBLOCK_READ,
+- stream->max_mem - *plen);
++ rv = h2_beam_receive(stream->output, stream->out_buffer,
++ APR_NONBLOCK_READ, stream->max_mem - *plen);
+ H2_STREAM_OUT_LOG(APLOG_TRACE2, stream, "post");
+ }
+- else {
+- status = APR_EOF;
++
++ if (rv == APR_SUCCESS) {
++ /* count the buffer again, now that we have read output */
++ status = add_buffered_data(stream, requested, plen, peos, &complete, pheaders);
+ }
+-
+- if (APR_STATUS_IS_EOF(status)) {
++ else if (APR_STATUS_IS_EOF(rv)) {
+ apr_bucket *eos = apr_bucket_eos_create(c->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(stream->out_buffer, eos);
+ *peos = 1;
+- status = APR_SUCCESS;
+ }
+- else if (status == APR_SUCCESS) {
+- /* do it again, now that we have gotten more */
+- status = add_data(stream, requested, plen, peos, &complete, pheaders);
++ else if (APR_STATUS_IS_EAGAIN(rv)) {
++ /* we set this is the status of this call only if there
++ * is no buffered data, see check below */
+ }
++ else {
++ /* real error reading. Give this back directly, even though
++ * we may have something buffered. */
++ status = rv;
++ }
+ }
+
+ if (status == APR_SUCCESS) {
+Index: modules/http2/h2_task.c
+===================================================================
+--- modules/http2/h2_task.c (revision 1804645)
++++ modules/http2/h2_task.c (working copy)
+@@ -129,7 +129,7 @@
+ apr_bucket_brigade* bb)
+ {
+ apr_bucket *b;
+- apr_status_t status = APR_SUCCESS;
++ apr_status_t rv = APR_SUCCESS;
+ int flush = 0, blocking;
+
+ if (task->frozen) {
+@@ -148,17 +148,16 @@
+ return APR_SUCCESS;
+ }
+
++send:
+ /* we send block once we opened the output, so someone is there
+ * reading it *and* the task is not assigned to a h2_req_engine */
+ blocking = (!task->assigned && task->output.opened);
+- if (!task->output.opened) {
+- for (b = APR_BRIGADE_FIRST(bb);
+- b != APR_BRIGADE_SENTINEL(bb);
+- b = APR_BUCKET_NEXT(b)) {
+- if (APR_BUCKET_IS_FLUSH(b)) {
+- flush = 1;
+- break;
+- }
++ for (b = APR_BRIGADE_FIRST(bb);
++ b != APR_BRIGADE_SENTINEL(bb);
++ b = APR_BUCKET_NEXT(b)) {
++ if (APR_BUCKET_IS_FLUSH(b) || APR_BUCKET_IS_EOS(b) || AP_BUCKET_IS_EOR(b)) {
++ flush = 1;
++ break;
+ }
+ }
+
+@@ -166,32 +165,48 @@
+ /* still have data buffered from previous attempt.
+ * setaside and append new data and try to pass the complete data */
+ if (!APR_BRIGADE_EMPTY(bb)) {
+- status = ap_save_brigade(f, &task->output.bb, &bb, task->pool);
++ if (APR_SUCCESS != (rv = ap_save_brigade(f, &task->output.bb, &bb, task->pool))) {
++ goto out;
++ }
+ }
+- if (status == APR_SUCCESS) {
+- status = send_out(task, task->output.bb, blocking);
+- }
++ rv = send_out(task, task->output.bb, blocking);
+ }
+ else {
+- /* no data buffered here, try to pass the brigade directly */
+- status = send_out(task, bb, blocking);
+- if (status == APR_SUCCESS && !APR_BRIGADE_EMPTY(bb)) {
+- /* could not write all, buffer the rest */
+- ap_log_cerror(APLOG_MARK, APLOG_DEBUG, status, task->c, APLOGNO(03405)
+- "h2_slave_out(%s): saving brigade",
+- task->id);
+- status = ap_save_brigade(f, &task->output.bb, &bb, task->pool);
+- flush = 1;
++ /* no data buffered previously, pass brigade directly */
++ rv = send_out(task, bb, blocking);
++
++ if (APR_SUCCESS == rv && !APR_BRIGADE_EMPTY(bb)) {
++ /* output refused to buffer it all, time to open? */
++ if (!task->output.opened && APR_SUCCESS == (rv = open_output(task))) {
++ /* Make another attempt to send the data. With the output open,
++ * the call might be blocking and send all data, so we do not need
++ * to save the brigade */
++ goto send;
++ }
++ else if (blocking && flush) {
++ /* Need to keep on doing this. */
++ goto send;
++ }
++
++ if (APR_SUCCESS == rv) {
++ /* could not write all, buffer the rest */
++ ap_log_cerror(APLOG_MARK, APLOG_DEBUG, rv, task->c, APLOGNO(03405)
++ "h2_slave_out(%s): saving brigade", task->id);
++ ap_assert(NULL);
++ rv = ap_save_brigade(f, &task->output.bb, &bb, task->pool);
++ flush = 1;
++ }
+ }
+ }
+
+- if (status == APR_SUCCESS && !task->output.opened && flush) {
++ if (APR_SUCCESS == rv && !task->output.opened && flush) {
+ /* got a flush or could not write all, time to tell someone to read */
+- status = open_output(task);
++ rv = open_output(task);
+ }
+- ap_log_cerror(APLOG_MARK, APLOG_TRACE2, status, task->c,
++out:
++ ap_log_cerror(APLOG_MARK, APLOG_TRACE2, rv, task->c,
+ "h2_slave_out(%s): slave_out leave", task->id);
+- return status;
++ return rv;
+ }
+
+ static apr_status_t output_finish(h2_task *task)
+Index: modules/http2/h2_version.h
+===================================================================
+--- modules/http2/h2_version.h (revision 1804645)
++++ modules/http2/h2_version.h (working copy)
+@@ -26,7 +26,7 @@
+ * @macro
+ * Version number of the http2 module as c string
+ */
+-#define MOD_HTTP2_VERSION "1.10.7"
++#define MOD_HTTP2_VERSION "1.10.10"
+
+ /**
+ * @macro
+@@ -34,7 +34,7 @@
+ * release. This is a 24 bit number with 8 bits for major number, 8 bits
+ * for minor and 8 bits for patch. Version 1.2.3 becomes 0x010203.
+ */
+-#define MOD_HTTP2_VERSION_NUM 0x010a06
++#define MOD_HTTP2_VERSION_NUM 0x010a0a
+
+
+ #endif /* mod_h2_h2_version_h */
+Index: modules/http2
+===================================================================
+--- modules/http2 (revision 1804645)
++++ modules/http2 (working copy)
+
+Property changes on: modules/http2
+___________________________________________________________________
+Modified: svn:mergeinfo
+## -0,0 +0,1 ##
+ Merged /httpd/httpd/trunk/modules/http2:r1803420,1803454,1804090
+Index: .
+===================================================================
+--- . (revision 1804645)
++++ . (working copy)
+
+Property changes on: .
+___________________________________________________________________
+Modified: svn:mergeinfo
+## -0,0 +0,1 ##
+ Merged /httpd/httpd/trunk:r1803420,1803454,1804090
projects / people / mlorenz / ipfire-2.x.git / commitdiff
