diff options
Diffstat (limited to 'src/core/transport/chttp2')
| -rw-r--r-- | src/core/transport/chttp2/internal.h | 6 | ||||
| -rw-r--r-- | src/core/transport/chttp2/writing.c | 34 |
2 files changed, 24 insertions, 16 deletions
diff --git a/src/core/transport/chttp2/internal.h b/src/core/transport/chttp2/internal.h index f0eeb6de50..cb428f8e3c 100644 --- a/src/core/transport/chttp2/internal.h +++ b/src/core/transport/chttp2/internal.h @@ -119,6 +119,10 @@ typedef enum { GRPC_WRITE_STATE_SENT_CLOSE } grpc_chttp2_write_state; +/* flags that can be or'd into stream_global::writing_now */ +#define GRPC_CHTTP2_WRITING_DATA 1 +#define GRPC_CHTTP2_WRITING_WINDOW 2 + typedef enum { GRPC_DONT_SEND_CLOSED = 0, GRPC_SEND_CLOSED, @@ -382,7 +386,7 @@ typedef struct { gpr_uint8 published_cancelled; /** is this stream in the stream map? (boolean) */ gpr_uint8 in_stream_map; - /** is this stream actively being written? */ + /** bitmask of GRPC_CHTTP2_WRITING_xxx above */ gpr_uint8 writing_now; /** stream state already published to the upper layer */ diff --git a/src/core/transport/chttp2/writing.c b/src/core/transport/chttp2/writing.c index d39b0c42f7..b55e81fdca 100644 --- a/src/core/transport/chttp2/writing.c +++ b/src/core/transport/chttp2/writing.c @@ -77,7 +77,6 @@ int grpc_chttp2_unlocking_check_writes( stream_writing->id = stream_global->id; stream_writing->send_closed = GRPC_DONT_SEND_CLOSED; - GPR_ASSERT(!stream_global->writing_now); if (stream_global->outgoing_sopb) { window_delta = @@ -123,11 +122,13 @@ int grpc_chttp2_unlocking_check_writes( stream_global->unannounced_incoming_window = 0; grpc_chttp2_list_add_incoming_window_updated(transport_global, stream_global); - stream_global->writing_now = 1; - grpc_chttp2_list_add_writing_stream(transport_writing, stream_writing); - } else if (stream_writing->sopb.nops > 0 || - stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) { - stream_global->writing_now = 1; + stream_global->writing_now |= GRPC_CHTTP2_WRITING_WINDOW; + } + if (stream_writing->sopb.nops > 0 || + stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) { + stream_global->writing_now |= GRPC_CHTTP2_WRITING_DATA; + } + if (stream_global->writing_now != 0) { grpc_chttp2_list_add_writing_stream(transport_writing, stream_writing); } } @@ -183,6 +184,7 @@ static void finalize_outbuf(grpc_chttp2_transport_writing *transport_writing) { stream_writing->send_closed != GRPC_DONT_SEND_CLOSED, stream_writing->id, &transport_writing->hpack_compressor, &transport_writing->outbuf); + stream_writing->sopb.nops = 0; } if (stream_writing->announce_window > 0) { gpr_slice_buffer_add( @@ -191,7 +193,6 @@ static void finalize_outbuf(grpc_chttp2_transport_writing *transport_writing) { stream_writing->id, stream_writing->announce_window)); stream_writing->announce_window = 0; } - stream_writing->sopb.nops = 0; if (stream_writing->send_closed == GRPC_SEND_CLOSED_WITH_RST_STREAM) { gpr_slice_buffer_add(&transport_writing->outbuf, grpc_chttp2_rst_stream_create(stream_writing->id, @@ -215,20 +216,23 @@ void grpc_chttp2_cleanup_writing( while (grpc_chttp2_list_pop_written_stream( transport_global, transport_writing, &stream_global, &stream_writing)) { - GPR_ASSERT(stream_global->writing_now); - stream_global->writing_now = 0; - if (stream_global->outgoing_sopb != NULL && - stream_global->outgoing_sopb->nops == 0) { - stream_global->outgoing_sopb = NULL; - grpc_chttp2_schedule_closure(transport_global, - stream_global->send_done_closure, 1); - } + GPR_ASSERT(stream_global->writing_now != 0); if (stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) { stream_global->write_state = GRPC_WRITE_STATE_SENT_CLOSE; if (!transport_global->is_client) { stream_global->read_closed = 1; } } + if (stream_global->writing_now & GRPC_CHTTP2_WRITING_DATA) { + if (stream_global->outgoing_sopb != NULL && + stream_global->outgoing_sopb->nops == 0) { + GPR_ASSERT(stream_global->write_state != GRPC_WRITE_STATE_QUEUED_CLOSE); + stream_global->outgoing_sopb = NULL; + grpc_chttp2_schedule_closure(transport_global, + stream_global->send_done_closure, 1); + } + } + stream_global->writing_now = 0; grpc_chttp2_list_add_read_write_state_changed(transport_global, stream_global); } |