Merge of r1767803 from trunk. (0074996e) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP Apache Httpd

modules/http2/h2_bucket_beam.c

+149 −119

Original line number	Diff line number	Diff line
		@@ -260,8 +260,8 @@ static apr_size_t calc_buffered(h2_bucket_beam *beam)
		{
		apr_size_t len = 0;
		apr_bucket *b;
		for (b = H2_BLIST_FIRST(&beam->red);
		b != H2_BLIST_SENTINEL(&beam->red);
		for (b = H2_BLIST_FIRST(&beam->send_list);
		b != H2_BLIST_SENTINEL(&beam->send_list);
		b = APR_BUCKET_NEXT(b)) {
		if (b->length == ((apr_size_t)-1)) {
		/* do not count */
		@@ -276,14 +276,14 @@ static apr_size_t calc_buffered(h2_bucket_beam *beam)
		return len;
		}

		static void r_purge_reds(h2_bucket_beam *beam)
		static void r_purge_sent(h2_bucket_beam *beam)
		{
		apr_bucket *bred;
		/* delete all red buckets in purge brigade, needs to be called
		* from red thread only */
		while (!H2_BLIST_EMPTY(&beam->purge)) {
		bred = H2_BLIST_FIRST(&beam->purge);
		apr_bucket_delete(bred);
		apr_bucket *b;
		/* delete all sender buckets in purge brigade, needs to be called
		* from sender thread only */
		while (!H2_BLIST_EMPTY(&beam->purge_list)) {
		b = H2_BLIST_FIRST(&beam->purge_list);
		apr_bucket_delete(b);
		}
		}

		@@ -318,7 +318,7 @@ static apr_status_t r_wait_space(h2_bucket_beam *beam, apr_read_type_e block,
		if (APR_STATUS_IS_TIMEUP(status)) {
		return status;
		}
		r_purge_reds(beam);
		r_purge_sent(beam);
		*premain = calc_space_left(beam);
		}
		return beam->aborted? APR_ECONNABORTED : APR_SUCCESS;
		@@ -333,34 +333,34 @@ static void h2_beam_emitted(h2_bucket_beam beam, h2_beam_proxy proxy)
		/* even when beam buckets are split, only the one where
		* refcount drops to 0 will call us */
		H2_BPROXY_REMOVE(proxy);
		/* invoked from green thread, the last beam bucket for the red
		* bucket bred is about to be destroyed.
		/* invoked from receiver thread, the last beam bucket for the send
		* bucket is about to be destroyed.
		* remove it from the hold, where it should be now */
		if (proxy->bred) {
		for (b = H2_BLIST_FIRST(&beam->hold);
		b != H2_BLIST_SENTINEL(&beam->hold);
		for (b = H2_BLIST_FIRST(&beam->hold_list);
		b != H2_BLIST_SENTINEL(&beam->hold_list);
		b = APR_BUCKET_NEXT(b)) {
		if (b == proxy->bred) {
		break;
		}
		}
		if (b != H2_BLIST_SENTINEL(&beam->hold)) {
		if (b != H2_BLIST_SENTINEL(&beam->hold_list)) {
		/* bucket is in hold as it should be, mark this one
		* and all before it for purging. We might have placed meta
		* buckets without a green proxy into the hold before it
		* and schedule them for purging now */
		for (b = H2_BLIST_FIRST(&beam->hold);
		b != H2_BLIST_SENTINEL(&beam->hold);
		for (b = H2_BLIST_FIRST(&beam->hold_list);
		b != H2_BLIST_SENTINEL(&beam->hold_list);
		b = next) {
		next = APR_BUCKET_NEXT(b);
		if (b == proxy->bred) {
		APR_BUCKET_REMOVE(b);
		H2_BLIST_INSERT_TAIL(&beam->purge, b);
		H2_BLIST_INSERT_TAIL(&beam->purge_list, b);
		break;
		}
		else if (APR_BUCKET_IS_METADATA(b)) {
		APR_BUCKET_REMOVE(b);
		H2_BLIST_INSERT_TAIL(&beam->purge, b);
		H2_BLIST_INSERT_TAIL(&beam->purge_list, b);
		}
		else {
		/* another data bucket before this one in hold. this
		@@ -373,7 +373,7 @@ static void h2_beam_emitted(h2_bucket_beam beam, h2_beam_proxy proxy)
		}
		else {
		/* it should be there unless we screwed up */
		ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, beam->red_pool,
		ap_log_perror(APLOG_MARK, APLOG_WARNING, 0, beam->send_pool,
		APLOGNO(03384) "h2_beam(%d-%s): emitted bucket not "
		"in hold, n=%d", beam->id, beam->tag,
		(int)proxy->n);
		@@ -382,7 +382,7 @@ static void h2_beam_emitted(h2_bucket_beam beam, h2_beam_proxy proxy)
		}
		/* notify anyone waiting on space to become available */
		if (!bl.mutex) {
		r_purge_reds(beam);
		r_purge_sent(beam);
		}
		else if (beam->m_cond) {
		apr_thread_cond_broadcast(beam->m_cond);
		@@ -412,40 +412,38 @@ static apr_status_t beam_close(h2_bucket_beam *beam)
		return APR_SUCCESS;
		}

		static void beam_set_red_pool(h2_bucket_beam beam, apr_pool_t pool);
		static void beam_set_green_pool(h2_bucket_beam beam, apr_pool_t pool);
		static void beam_set_send_pool(h2_bucket_beam beam, apr_pool_t pool);
		static void beam_set_recv_pool(h2_bucket_beam beam, apr_pool_t pool);

		static apr_status_t beam_green_cleanup(void *data)
		static apr_status_t beam_recv_cleanup(void *data)
		{
		h2_bucket_beam *beam = data;

		if (beam->green) {
		apr_brigade_destroy(beam->green);
		beam->green = NULL;
		}
		beam->green_pool = NULL;
		/* receiver pool has gone away, clear references */
		beam->recv_buffer = NULL;
		beam->recv_pool = NULL;
		return APR_SUCCESS;
		}

		static void beam_set_green_pool(h2_bucket_beam beam, apr_pool_t pool)
		static void beam_set_recv_pool(h2_bucket_beam beam, apr_pool_t pool)
		{
		if (beam->green_pool != pool) {
		if (beam->green_pool) {
		apr_pool_cleanup_kill(beam->green_pool, beam, beam_green_cleanup);
		/* if the beam owner is the sender, monitor receiver pool lifetime */
		if (beam->owner == H2_BEAM_OWNER_SEND && beam->recv_pool != pool) {
		if (beam->recv_pool) {
		apr_pool_cleanup_kill(beam->recv_pool, beam, beam_recv_cleanup);
		}
		beam->green_pool = pool;
		if (beam->green_pool) {
		apr_pool_pre_cleanup_register(beam->green_pool, beam, beam_green_cleanup);
		beam->recv_pool = pool;
		if (beam->recv_pool) {
		apr_pool_pre_cleanup_register(beam->recv_pool, beam, beam_recv_cleanup);
		}
		}
		}

		static apr_status_t beam_red_cleanup(void *data)
		static apr_status_t beam_send_cleanup(void *data)
		{
		h2_bucket_beam *beam = data;

		r_purge_reds(beam);
		h2_blist_cleanup(&beam->red);
		/* sender has gone away, clear up all references to its memory */
		r_purge_sent(beam);
		h2_blist_cleanup(&beam->send_list);
		report_consumption(beam, 0);
		while (!H2_BPROXY_LIST_EMPTY(&beam->proxies)) {
		h2_beam_proxy *proxy = H2_BPROXY_LIST_FIRST(&beam->proxies);
		@@ -453,21 +451,22 @@ static apr_status_t beam_red_cleanup(void *data)
		proxy->beam = NULL;
		proxy->bred = NULL;
		}
		h2_blist_cleanup(&beam->purge);
		h2_blist_cleanup(&beam->hold);
		beam->red_pool = NULL;
		h2_blist_cleanup(&beam->purge_list);
		h2_blist_cleanup(&beam->hold_list);
		beam->send_pool = NULL;
		return APR_SUCCESS;
		}

		static void beam_set_red_pool(h2_bucket_beam beam, apr_pool_t pool)
		static void beam_set_send_pool(h2_bucket_beam beam, apr_pool_t pool)
		{
		if (beam->red_pool != pool) {
		if (beam->red_pool) {
		apr_pool_cleanup_kill(beam->red_pool, beam, beam_red_cleanup);
		/* if the beam owner is the receiver, monitor sender pool lifetime */
		if (beam->owner == H2_BEAM_OWNER_RECV && beam->send_pool != pool) {
		if (beam->send_pool) {
		apr_pool_cleanup_kill(beam->send_pool, beam, beam_send_cleanup);
		}
		beam->red_pool = pool;
		if (beam->red_pool) {
		apr_pool_pre_cleanup_register(beam->red_pool, beam, beam_red_cleanup);
		beam->send_pool = pool;
		if (beam->send_pool) {
		apr_pool_pre_cleanup_register(beam->send_pool, beam, beam_send_cleanup);
		}
		}
		}
		@@ -475,17 +474,44 @@ static void beam_set_red_pool(h2_bucket_beam beam, apr_pool_t pool)
		static apr_status_t beam_cleanup(void *data)
		{
		h2_bucket_beam *beam = data;
		apr_status_t status;

		apr_status_t status = APR_SUCCESS;
		/* owner of the beam is going away, depending on its role, cleanup
		* strategies differ. */
		beam_close(beam);
		if (beam->green_pool) {
		apr_pool_cleanup_kill(beam->green_pool, beam, beam_green_cleanup);
		status = beam_green_cleanup(beam);
		}

		if (beam->red_pool) {
		apr_pool_cleanup_kill(beam->red_pool, beam, beam_red_cleanup);
		status = beam_red_cleanup(beam);
		switch (beam->owner) {
		case H2_BEAM_OWNER_SEND:
		status = beam_send_cleanup(beam);
		beam->recv_buffer = NULL;
		beam->recv_pool = NULL;
		break;
		case H2_BEAM_OWNER_RECV:
		if (beam->recv_buffer) {
		apr_brigade_destroy(beam->recv_buffer);
		}
		beam->recv_buffer = NULL;
		beam->recv_pool = NULL;
		if (!H2_BLIST_EMPTY(&beam->send_list)) {
		ap_assert(beam->send_pool);
		}
		if (beam->send_pool) {
		/* sender has not cleaned up, its pool still lives.
		* this is normal if the sender uses cleanup via a bucket
		* such as the BUCKET_EOR for requests. In that case, the
		* beam should have lost its mutex protection, meaning
		* it is no longer used multi-threaded and we can safely
		* purge all remaining sender buckets. */
		apr_pool_cleanup_kill(beam->send_pool, beam, beam_send_cleanup);
		ap_assert(!beam->m_enter);
		beam_send_cleanup(beam);
		}
		ap_assert(H2_BPROXY_LIST_EMPTY(&beam->proxies));
		ap_assert(H2_BLIST_EMPTY(&beam->send_list));
		ap_assert(H2_BLIST_EMPTY(&beam->hold_list));
		ap_assert(H2_BLIST_EMPTY(&beam->purge_list));
		break;
		default:
		ap_assert(NULL);
		break;
		}
		return status;
		}
		@@ -498,6 +524,7 @@ apr_status_t h2_beam_destroy(h2_bucket_beam *beam)

		apr_status_t h2_beam_create(h2_bucket_beam *pbeam, apr_pool_t pool,
		int id, const char *tag,
		h2_beam_owner_t owner,
		apr_size_t max_buf_size)
		{
		h2_bucket_beam *beam;
		@@ -511,9 +538,10 @@ apr_status_t h2_beam_create(h2_bucket_beam *pbeam, apr_pool_t pool,
		beam->id = id;
		beam->tag = tag;
		beam->pool = pool;
		H2_BLIST_INIT(&beam->red);
		H2_BLIST_INIT(&beam->hold);
		H2_BLIST_INIT(&beam->purge);
		beam->owner = owner;
		H2_BLIST_INIT(&beam->send_list);
		H2_BLIST_INIT(&beam->hold_list);
		H2_BLIST_INIT(&beam->purge_list);
		H2_BPROXY_LIST_INIT(&beam->proxies);
		beam->max_buf_size = max_buf_size;
		apr_pool_pre_cleanup_register(pool, beam, beam_cleanup);
		@@ -589,8 +617,8 @@ void h2_beam_abort(h2_bucket_beam *beam)
		if (enter_yellow(beam, &bl) == APR_SUCCESS) {
		if (!beam->aborted) {
		beam->aborted = 1;
		r_purge_reds(beam);
		h2_blist_cleanup(&beam->red);
		r_purge_sent(beam);
		h2_blist_cleanup(&beam->send_list);
		report_consumption(beam, 0);
		}
		if (beam->m_cond) {
		@@ -605,7 +633,7 @@ apr_status_t h2_beam_close(h2_bucket_beam *beam)
		h2_beam_lock bl;

		if (enter_yellow(beam, &bl) == APR_SUCCESS) {
		r_purge_reds(beam);
		r_purge_sent(beam);
		beam_close(beam);
		report_consumption(beam, 0);
		leave_yellow(beam, &bl);
		@@ -620,7 +648,7 @@ apr_status_t h2_beam_wait_empty(h2_bucket_beam *beam, apr_read_type_e block)

		if ((status = enter_yellow(beam, &bl)) == APR_SUCCESS) {
		while (status == APR_SUCCESS
		&& !H2_BLIST_EMPTY(&beam->red)
		&& !H2_BLIST_EMPTY(&beam->send_list)
		&& !H2_BPROXY_LIST_EMPTY(&beam->proxies)) {
		if (block == APR_NONBLOCK_READ \|\| !bl.mutex) {
		status = APR_EAGAIN;
		@@ -643,12 +671,12 @@ static void move_to_hold(h2_bucket_beam *beam,
		while (red_brigade && !APR_BRIGADE_EMPTY(red_brigade)) {
		b = APR_BRIGADE_FIRST(red_brigade);
		APR_BUCKET_REMOVE(b);
		H2_BLIST_INSERT_TAIL(&beam->red, b);
		H2_BLIST_INSERT_TAIL(&beam->send_list, b);
		}
		}

		static apr_status_t append_bucket(h2_bucket_beam *beam,
		apr_bucket *bred,
		apr_bucket *b,
		apr_read_type_e block,
		h2_beam_lock *pbl)
		{
		@@ -657,28 +685,28 @@ static apr_status_t append_bucket(h2_bucket_beam *beam,
		apr_size_t space_left = 0;
		apr_status_t status;

		if (APR_BUCKET_IS_METADATA(bred)) {
		if (APR_BUCKET_IS_EOS(bred)) {
		if (APR_BUCKET_IS_METADATA(b)) {
		if (APR_BUCKET_IS_EOS(b)) {
		beam->closed = 1;
		}
		APR_BUCKET_REMOVE(bred);
		H2_BLIST_INSERT_TAIL(&beam->red, bred);
		APR_BUCKET_REMOVE(b);
		H2_BLIST_INSERT_TAIL(&beam->send_list, b);
		return APR_SUCCESS;
		}
		else if (APR_BUCKET_IS_FILE(bred)) {
		else if (APR_BUCKET_IS_FILE(b)) {
		/* file bucket lengths do not really count */
		}
		else {
		space_left = calc_space_left(beam);
		if (space_left > 0 && bred->length == ((apr_size_t)-1)) {
		if (space_left > 0 && b->length == ((apr_size_t)-1)) {
		const char *data;
		status = apr_bucket_read(bred, &data, &len, APR_BLOCK_READ);
		status = apr_bucket_read(b, &data, &len, APR_BLOCK_READ);
		if (status != APR_SUCCESS) {
		return status;
		}
		}

		if (space_left < bred->length) {
		if (space_left < b->length) {
		status = r_wait_space(beam, block, pbl, &space_left);
		if (status != APR_SUCCESS) {
		return status;
		@@ -696,30 +724,30 @@ static apr_status_t append_bucket(h2_bucket_beam *beam,
		* its pool/bucket_alloc from a foreign thread and that will
		* corrupt. */
		status = APR_ENOTIMPL;
		if (APR_BUCKET_IS_TRANSIENT(bred)) {
		if (APR_BUCKET_IS_TRANSIENT(b)) {
		/* this takes care of transient buckets and converts them
		* into heap ones. Other bucket types might or might not be
		* affected by this. */
		status = apr_bucket_setaside(bred, beam->red_pool);
		status = apr_bucket_setaside(b, beam->send_pool);
		}
		else if (APR_BUCKET_IS_HEAP(bred)) {
		else if (APR_BUCKET_IS_HEAP(b)) {
		/* For heap buckets read from a green thread is fine. The
		* data will be there and live until the bucket itself is
		* destroyed. */
		status = APR_SUCCESS;
		}
		else if (APR_BUCKET_IS_POOL(bred)) {
		else if (APR_BUCKET_IS_POOL(b)) {
		/* pool buckets are bastards that register at pool cleanup
		* to morph themselves into heap buckets. That may happen anytime,
		* even after the bucket data pointer has been read. So at
		* any time inside the green thread, the pool bucket memory
		* may disappear. yikes. */
		status = apr_bucket_read(bred, &data, &len, APR_BLOCK_READ);
		status = apr_bucket_read(b, &data, &len, APR_BLOCK_READ);
		if (status == APR_SUCCESS) {
		apr_bucket_heap_make(bred, data, len, NULL);
		apr_bucket_heap_make(b, data, len, NULL);
		}
		}
		else if (APR_BUCKET_IS_FILE(bred)) {
		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
		@@ -729,14 +757,14 @@ static apr_status_t append_bucket(h2_bucket_beam *beam,
		* 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_file_t fd = ((apr_bucket_file )bred->data)->fd;
		apr_file_t fd = ((apr_bucket_file )b->data)->fd;
		int can_beam = 1;
		if (beam->last_beamed != fd && beam->can_beam_fn) {
		can_beam = beam->can_beam_fn(beam->can_beam_ctx, beam, fd);
		}
		if (can_beam) {
		beam->last_beamed = fd;
		status = apr_bucket_setaside(bred, beam->red_pool);
		status = apr_bucket_setaside(b, beam->send_pool);
		}
		/* else: enter ENOTIMPL case below */
		}
		@@ -751,12 +779,12 @@ static apr_status_t append_bucket(h2_bucket_beam *beam,
		if (space_left < APR_BUCKET_BUFF_SIZE) {
		space_left = APR_BUCKET_BUFF_SIZE;
		}
		if (space_left < bred->length) {
		apr_bucket_split(bred, space_left);
		if (space_left < b->length) {
		apr_bucket_split(b, space_left);
		}
		status = apr_bucket_read(bred, &data, &len, APR_BLOCK_READ);
		status = apr_bucket_read(b, &data, &len, APR_BLOCK_READ);
		if (status == APR_SUCCESS) {
		status = apr_bucket_setaside(bred, beam->red_pool);
		status = apr_bucket_setaside(b, beam->send_pool);
		}
		}

		@@ -764,9 +792,9 @@ static apr_status_t append_bucket(h2_bucket_beam *beam,
		return status;
		}

		APR_BUCKET_REMOVE(bred);
		H2_BLIST_INSERT_TAIL(&beam->red, bred);
		beam->sent_bytes += bred->length;
		APR_BUCKET_REMOVE(b);
		H2_BLIST_INSERT_TAIL(&beam->send_list, b);
		beam->sent_bytes += b->length;

		return APR_SUCCESS;
		}
		@@ -775,13 +803,16 @@ apr_status_t h2_beam_send(h2_bucket_beam *beam,
		apr_bucket_brigade *red_brigade,
		apr_read_type_e block)
		{
		apr_bucket *bred;
		apr_bucket *b;
		apr_status_t status = APR_SUCCESS;
		h2_beam_lock bl;

		/* Called from the red thread to add buckets to the beam */
		if (enter_yellow(beam, &bl) == APR_SUCCESS) {
		r_purge_reds(beam);
		r_purge_sent(beam);
		if (red_brigade) {
		beam_set_send_pool(beam, red_brigade->p);
		}

		if (beam->aborted) {
		move_to_hold(beam, red_brigade);
		@@ -791,9 +822,8 @@ apr_status_t h2_beam_send(h2_bucket_beam *beam,
		int force_report = !APR_BRIGADE_EMPTY(red_brigade);
		while (!APR_BRIGADE_EMPTY(red_brigade)
		&& status == APR_SUCCESS) {
		bred = APR_BRIGADE_FIRST(red_brigade);
		beam_set_red_pool(beam, red_brigade->p);
		status = append_bucket(beam, bred, block, &bl);
		b = APR_BRIGADE_FIRST(red_brigade);
		status = append_bucket(beam, b, block, &bl);
		}
		report_production(beam, force_report);
		if (beam->m_cond) {
		@@ -821,19 +851,19 @@ apr_status_t h2_beam_receive(h2_bucket_beam *beam,
		if (enter_yellow(beam, &bl) == APR_SUCCESS) {
		transfer:
		if (beam->aborted) {
		if (beam->green && !APR_BRIGADE_EMPTY(beam->green)) {
		apr_brigade_cleanup(beam->green);
		if (beam->recv_buffer && !APR_BRIGADE_EMPTY(beam->recv_buffer)) {
		apr_brigade_cleanup(beam->recv_buffer);
		}
		status = APR_ECONNABORTED;
		goto leave;
		}

		/* transfer enough buckets from our green brigade, if we have one */
		beam_set_green_pool(beam, bb->p);
		while (beam->green
		&& !APR_BRIGADE_EMPTY(beam->green)
		beam_set_recv_pool(beam, bb->p);
		while (beam->recv_buffer
		&& !APR_BRIGADE_EMPTY(beam->recv_buffer)
		&& (readbytes <= 0 \|\| remain >= 0)) {
		bgreen = APR_BRIGADE_FIRST(beam->green);
		bgreen = APR_BRIGADE_FIRST(beam->recv_buffer);
		if (readbytes > 0 && bgreen->length > 0 && remain <= 0) {
		break;
		}
		@@ -845,8 +875,8 @@ transfer:

		/* transfer from our red brigade, transforming red buckets to
		* green ones until we have enough */
		while (!H2_BLIST_EMPTY(&beam->red) && (readbytes <= 0 \|\| remain >= 0)) {
		bred = H2_BLIST_FIRST(&beam->red);
		while (!H2_BLIST_EMPTY(&beam->send_list) && (readbytes <= 0 \|\| remain >= 0)) {
		bred = H2_BLIST_FIRST(&beam->send_list);
		bgreen = NULL;

		if (readbytes > 0 && bred->length > 0 && remain <= 0) {
		@@ -893,7 +923,7 @@ transfer:
		remain -= bred->length;
		++transferred;
		APR_BUCKET_REMOVE(bred);
		H2_BLIST_INSERT_TAIL(&beam->hold, bred);
		H2_BLIST_INSERT_TAIL(&beam->hold_list, bred);
		++transferred;
		continue;
		}
		@@ -910,7 +940,7 @@ transfer:
		/* Place the red bucket into our hold, to be destroyed when no
		* green bucket references it any more. */
		APR_BUCKET_REMOVE(bred);
		H2_BLIST_INSERT_TAIL(&beam->hold, bred);
		H2_BLIST_INSERT_TAIL(&beam->hold_list, bred);
		beam->received_bytes += bred->length;
		if (bgreen) {
		APR_BRIGADE_INSERT_TAIL(bb, bgreen);
		@@ -936,17 +966,17 @@ transfer:
		remain -= bgreen->length;
		if (remain < 0) {
		apr_bucket_split(bgreen, bgreen->length+remain);
		beam->green = apr_brigade_split_ex(bb,
		beam->recv_buffer = apr_brigade_split_ex(bb,
		APR_BUCKET_NEXT(bgreen),
		beam->green);
		beam->recv_buffer);
		break;
		}
		}
		}

		if (beam->closed
		&& (!beam->green \|\| APR_BRIGADE_EMPTY(beam->green))
		&& H2_BLIST_EMPTY(&beam->red)) {
		&& (!beam->recv_buffer \|\| APR_BRIGADE_EMPTY(beam->recv_buffer))
		&& H2_BLIST_EMPTY(&beam->send_list)) {
		/* beam is closed and we have nothing more to receive */
		if (!beam->close_sent) {
		apr_bucket *b = apr_bucket_eos_create(bb->bucket_alloc);
		@@ -1029,8 +1059,8 @@ apr_off_t h2_beam_get_buffered(h2_bucket_beam *beam)
		h2_beam_lock bl;

		if (enter_yellow(beam, &bl) == APR_SUCCESS) {
		for (b = H2_BLIST_FIRST(&beam->red);
		b != H2_BLIST_SENTINEL(&beam->red);
		for (b = H2_BLIST_FIRST(&beam->send_list);
		b != H2_BLIST_SENTINEL(&beam->send_list);
		b = APR_BUCKET_NEXT(b)) {
		/* should all have determinate length */
		l += b->length;
		@@ -1047,8 +1077,8 @@ apr_off_t h2_beam_get_mem_used(h2_bucket_beam *beam)
		h2_beam_lock bl;

		if (enter_yellow(beam, &bl) == APR_SUCCESS) {
		for (b = H2_BLIST_FIRST(&beam->red);
		b != H2_BLIST_SENTINEL(&beam->red);
		for (b = H2_BLIST_FIRST(&beam->send_list);
		b != H2_BLIST_SENTINEL(&beam->send_list);
		b = APR_BUCKET_NEXT(b)) {
		if (APR_BUCKET_IS_FILE(b)) {
		/* do not count */
		@@ -1069,8 +1099,8 @@ int h2_beam_empty(h2_bucket_beam *beam)
		h2_beam_lock bl;

		if (enter_yellow(beam, &bl) == APR_SUCCESS) {
		empty = (H2_BLIST_EMPTY(&beam->red)
		&& (!beam->green \|\| APR_BRIGADE_EMPTY(beam->green)));
		empty = (H2_BLIST_EMPTY(&beam->send_list)
		&& (!beam->recv_buffer \|\| APR_BRIGADE_EMPTY(beam->recv_buffer)));
		leave_yellow(beam, &bl);
		}
		return empty;

modules/http2/h2_bucket_beam.h

+33 −30

File changed.

Preview size limit exceeded, changes collapsed.

modules/http2/h2_mplx.c

+6 −4

Original line number	Diff line number	Diff line
		@@ -53,10 +53,10 @@ static void h2_beam_log(h2_bucket_beam beam, int id, const char msg,
		apr_size_t off = 0;

		off += apr_snprintf(buffer+off, H2_ALEN(buffer)-off, "cl=%d, ", beam->closed);
		off += h2_util_bl_print(buffer+off, H2_ALEN(buffer)-off, "red", ", ", &beam->red);
		off += h2_util_bb_print(buffer+off, H2_ALEN(buffer)-off, "green", ", ", beam->green);
		off += h2_util_bl_print(buffer+off, H2_ALEN(buffer)-off, "hold", ", ", &beam->hold);
		off += h2_util_bl_print(buffer+off, H2_ALEN(buffer)-off, "purge", "", &beam->purge);
		off += h2_util_bl_print(buffer+off, H2_ALEN(buffer)-off, "red", ", ", &beam->send_list);
		off += h2_util_bb_print(buffer+off, H2_ALEN(buffer)-off, "green", ", ", beam->recv_buffer);
		off += h2_util_bl_print(buffer+off, H2_ALEN(buffer)-off, "hold", ", ", &beam->hold_list);
		off += h2_util_bl_print(buffer+off, H2_ALEN(buffer)-off, "purge", "", &beam->purge_list);

		ap_log_cerror(APLOG_MARK, level, 0, c, "beam(%ld-%d): %s %s",
		c->id, id, msg, buffer);
		@@ -1039,6 +1039,8 @@ static void task_done(h2_mplx m, h2_task task, h2_req_engine *ngn)
		* called from a worker thread and freeing memory pools
		* is only safe in the only thread using it (and its
		* parent pool / allocator) */
		h2_beam_on_consumed(stream->output, NULL, NULL);
		h2_beam_mutex_set(stream->output, NULL, NULL, NULL);
		h2_ihash_remove(m->shold, stream->id);
		h2_ihash_add(m->spurge, stream);
		}

modules/http2/h2_stream.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -201,8 +201,8 @@ h2_stream h2_stream_open(int id, apr_pool_t pool, h2_session *session,
		stream->pool = pool;
		stream->session = session;

		h2_beam_create(&stream->input, pool, id, "input", 0);
		h2_beam_create(&stream->output, pool, id, "output", 0);
		h2_beam_create(&stream->input, pool, id, "input", H2_BEAM_OWNER_SEND, 0);
		h2_beam_create(&stream->output, pool, id, "output", H2_BEAM_OWNER_RECV, 0);

		set_state(stream, H2_STREAM_ST_OPEN);
		apr_pool_cleanup_register(pool, stream, stream_pool_cleanup,

modules/http2/h2_version.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -26,7 +26,7 @@
		* @macro
		* Version number of the http2 module as c string
		*/
		#define MOD_HTTP2_VERSION "1.7.8"
		#define MOD_HTTP2_VERSION "1.7.9"

		/**
		* @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 0x010708
		#define MOD_HTTP2_VERSION_NUM 0x010709


		#endif /* mod_h2_h2_version_h */

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