static int init_data_frame_parser(
grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
grpc_chttp2_stream_parsing *stream_parsing =
grpc_chttp2_parsing_lookup_stream(transport_parsing,
transport_parsing->incoming_stream_id);
grpc_chttp2_parse_error err = GRPC_CHTTP2_PARSE_OK;
if (!stream_parsing || stream_parsing->received_close)
return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
if (err == GRPC_CHTTP2_PARSE_OK) {
err = update_incoming_window(exec_ctx, transport_parsing, stream_parsing);
}
if (err == GRPC_CHTTP2_PARSE_OK) {
err = grpc_chttp2_data_parser_begin_frame(
&stream_parsing->data_parser, transport_parsing->incoming_frame_flags);
}
switch (err) {
case GRPC_CHTTP2_PARSE_OK:
transport_parsing->incoming_stream = stream_parsing;
transport_parsing->parser = grpc_chttp2_data_parser_parse;
transport_parsing->parser_data = &stream_parsing->data_parser;
return 1;
case GRPC_CHTTP2_STREAM_ERROR:
stream_parsing->received_close = 1;
stream_parsing->saw_rst_stream = 1;
stream_parsing->rst_stream_reason = GRPC_CHTTP2_PROTOCOL_ERROR;
gpr_slice_buffer_add(
&transport_parsing->qbuf,
grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
GRPC_CHTTP2_PROTOCOL_ERROR));
return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
case GRPC_CHTTP2_CONNECTION_ERROR:
return 0;
}
GPR_UNREACHABLE_CODE(return 0);
}
static grpc_error *init_data_frame_parser(grpc_exec_ctx *exec_ctx,
grpc_chttp2_transport *t) {
grpc_chttp2_stream *s =
grpc_chttp2_parsing_lookup_stream(t, t->incoming_stream_id);
grpc_error *err = GRPC_ERROR_NONE;
err = update_incoming_window(exec_ctx, t, s);
if (err != GRPC_ERROR_NONE) {
goto error_handler;
}
if (s == NULL) {
return init_skip_frame_parser(exec_ctx, t, 0);
}
s->stats.incoming.framing_bytes += 9;
if (err == GRPC_ERROR_NONE && s->read_closed) {
return init_skip_frame_parser(exec_ctx, t, 0);
}
if (err == GRPC_ERROR_NONE) {
err = grpc_chttp2_data_parser_begin_frame(
&s->data_parser, t->incoming_frame_flags, s->id, s);
}
error_handler:
if (err == GRPC_ERROR_NONE) {
t->incoming_stream = s;
/* t->parser = grpc_chttp2_data_parser_parse;*/
t->parser = grpc_chttp2_data_parser_parse;
t->parser_data = &s->data_parser;
return GRPC_ERROR_NONE;
} else if (grpc_error_get_int(err, GRPC_ERROR_INT_STREAM_ID, NULL)) {
/* handle stream errors by closing the stream */
if (s != NULL) {
grpc_chttp2_mark_stream_closed(exec_ctx, t, s, true, false, err);
}
grpc_slice_buffer_add(
&t->qbuf, grpc_chttp2_rst_stream_create(t->incoming_stream_id,
GRPC_HTTP2_PROTOCOL_ERROR,
&s->stats.outgoing));
return init_skip_frame_parser(exec_ctx, t, 0);
} else {
return err;
}
}
static grpc_error *init_data_frame_parser(
grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
grpc_chttp2_stream_parsing *stream_parsing =
grpc_chttp2_parsing_lookup_stream(transport_parsing,
transport_parsing->incoming_stream_id);
grpc_error *err = GRPC_ERROR_NONE;
if (stream_parsing == NULL) {
return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
}
stream_parsing->stats.incoming.framing_bytes += 9;
if (stream_parsing->received_close) {
return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
}
if (err == GRPC_ERROR_NONE) {
err = update_incoming_window(exec_ctx, transport_parsing, stream_parsing);
}
if (err == GRPC_ERROR_NONE) {
err = grpc_chttp2_data_parser_begin_frame(
&stream_parsing->data_parser, transport_parsing->incoming_frame_flags,
stream_parsing->id);
}
if (err == GRPC_ERROR_NONE) {
transport_parsing->incoming_stream = stream_parsing;
transport_parsing->parser = grpc_chttp2_data_parser_parse;
transport_parsing->parser_data = &stream_parsing->data_parser;
return GRPC_ERROR_NONE;
} else if (grpc_error_get_int(err, GRPC_ERROR_INT_STREAM_ID, NULL)) {
/* handle stream errors by closing the stream */
stream_parsing->received_close = 1;
stream_parsing->forced_close_error = err;
gpr_slice_buffer_add(
&transport_parsing->qbuf,
grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
GRPC_CHTTP2_PROTOCOL_ERROR,
&stream_parsing->stats.outgoing));
return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
} else {
return err;
}
}
