diff options
author | Mark D. Roth <roth@google.com> | 2016-05-02 09:54:04 -0700 |
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committer | Mark D. Roth <roth@google.com> | 2016-05-02 09:54:04 -0700 |
commit | ebbbce3e6e6f08a9d35292296cbd066b0a4c4a67 (patch) | |
tree | 808ed6b47d155bf46e02fae93fcbdfc63ecdf221 /src/core/ext | |
parent | 125590f9d5ebc53271846401d6087e47eced9897 (diff) |
Changed writing code to honor the peer's header size limit setting.
Changed large_metadata test to only cover the case where both the client
and server support large metadata; I will cover the other cases in
separate tests in a subsequent commit.
Diffstat (limited to 'src/core/ext')
-rw-r--r-- | src/core/ext/transport/chttp2/transport/chttp2_transport.c | 85 |
1 files changed, 56 insertions, 29 deletions
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index 6314786525..1eaffc6692 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -854,24 +854,37 @@ static void perform_stream_op_locked( stream_global->send_initial_metadata_finished = add_closure_barrier(on_complete); stream_global->send_initial_metadata = op->send_initial_metadata; - if (contains_non_ok_status(transport_global, op->send_initial_metadata)) { - stream_global->seen_error = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); - } - if (!stream_global->write_closed) { - if (transport_global->is_client) { - GPR_ASSERT(stream_global->id == 0); - grpc_chttp2_list_add_waiting_for_concurrency(transport_global, - stream_global); - maybe_start_some_streams(exec_ctx, transport_global); + const size_t metadata_size = grpc_metadata_batch_size( + op->send_initial_metadata); + const size_t metadata_peer_limit = + transport_global->settings[GRPC_PEER_SETTINGS] + [GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE]; + if (metadata_size > metadata_peer_limit) { + gpr_log(GPR_DEBUG, + "initial metadata size exceeds peer limit (%lu vs. %lu)", + metadata_size, metadata_peer_limit); + cancel_from_api(exec_ctx, transport_global, stream_global, + GRPC_STATUS_RESOURCE_EXHAUSTED); + } else { + if (contains_non_ok_status(transport_global, op->send_initial_metadata)) { + stream_global->seen_error = true; + grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + } + if (!stream_global->write_closed) { + if (transport_global->is_client) { + GPR_ASSERT(stream_global->id == 0); + grpc_chttp2_list_add_waiting_for_concurrency(transport_global, + stream_global); + maybe_start_some_streams(exec_ctx, transport_global); + } else { + GPR_ASSERT(stream_global->id != 0); + grpc_chttp2_become_writable(transport_global, stream_global); + } } else { - GPR_ASSERT(stream_global->id != 0); - grpc_chttp2_become_writable(transport_global, stream_global); + grpc_chttp2_complete_closure_step( + exec_ctx, stream_global, + &stream_global->send_initial_metadata_finished, 0); } - } else { - grpc_chttp2_complete_closure_step( - exec_ctx, stream_global, - &stream_global->send_initial_metadata_finished, 0); } } @@ -895,19 +908,33 @@ static void perform_stream_op_locked( stream_global->send_trailing_metadata_finished = add_closure_barrier(on_complete); stream_global->send_trailing_metadata = op->send_trailing_metadata; - if (contains_non_ok_status(transport_global, op->send_trailing_metadata)) { - stream_global->seen_error = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); - } - if (stream_global->write_closed) { - grpc_chttp2_complete_closure_step( - exec_ctx, stream_global, - &stream_global->send_trailing_metadata_finished, - grpc_metadata_batch_is_empty(op->send_trailing_metadata)); - } else if (stream_global->id != 0) { - /* TODO(ctiller): check if there's flow control for any outstanding - bytes before going writable */ - grpc_chttp2_become_writable(transport_global, stream_global); + const size_t metadata_size = grpc_metadata_batch_size( + op->send_trailing_metadata); + const size_t metadata_peer_limit = + transport_global->settings[GRPC_PEER_SETTINGS] + [GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE]; + if (metadata_size > metadata_peer_limit) { + gpr_log(GPR_DEBUG, + "trailing metadata size exceeds peer limit (%lu vs. %lu)", + metadata_size, metadata_peer_limit); + cancel_from_api(exec_ctx, transport_global, stream_global, + GRPC_STATUS_RESOURCE_EXHAUSTED); + } else { + if (contains_non_ok_status(transport_global, + op->send_trailing_metadata)) { + stream_global->seen_error = true; + grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + } + if (stream_global->write_closed) { + grpc_chttp2_complete_closure_step( + exec_ctx, stream_global, + &stream_global->send_trailing_metadata_finished, + grpc_metadata_batch_is_empty(op->send_trailing_metadata)); + } else if (stream_global->id != 0) { + /* TODO(ctiller): check if there's flow control for any outstanding + bytes before going writable */ + grpc_chttp2_become_writable(transport_global, stream_global); + } } } |