Chiebot-Mirror
/
grpc
mirror of https://github.com/grpc/grpc.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Remove duplicate sentences on send path

Browse Source
pull/12399/head
Muxi Yan 7 years ago
parent bf5484e785
commit 8e14acc76b
3 changed files with 45 additions and 67 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 14
      src/core/ext/transport/chttp2/transport/chttp2_transport.c
  2. 9
      src/core/ext/transport/chttp2/transport/internal.h
  3. 89
      src/core/ext/transport/chttp2/transport/writing.c

14
src/core/ext/transport/chttp2/transport/chttp2_transport.c
Unescape View File

@ -727,10 +727,7 @@ static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, void *sp,
grpc_slice_buffer_destroy_internal(exec_ctx,
&s->unprocessed_incoming_frames_buffer);
grpc_slice_buffer_destroy_internal(exec_ctx, &s->frame_storage);
if (s->compressed_data_buffer) {
grpc_slice_buffer_destroy_internal(exec_ctx, s->compressed_data_buffer);
gpr_free(s->compressed_data_buffer);
}
grpc_slice_buffer_destroy_internal(exec_ctx, &s->compressed_data_buffer);
if (s->decompressed_data_buffer) {
grpc_slice_buffer_destroy_internal(exec_ctx, s->decompressed_data_buffer);
gpr_free(s->decompressed_data_buffer);
@ -1300,12 +1297,11 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op,
on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE;
/* Identify stream compression */
if ((s->stream_compression_send_enabled =
(op_payload->send_initial_metadata.send_initial_metadata->idx.named
.content_encoding != NULL)) == true) {
s->compressed_data_buffer = gpr_malloc(sizeof(grpc_slice_buffer));
grpc_slice_buffer_init(s->compressed_data_buffer);
if (op_payload->send_initial_metadata.send_initial_metadata->idx.named.content_encoding == NULL ||
grpc_stream_compression_method_parse(GRPC_MDVALUE(op_payload->send_initial_metadata.send_initial_metadata->idx.named.content_encoding->md), true, &s->stream_compression_method) == 0) {
s->stream_compression_method = GRPC_STREAM_COMPRESSION_IDENTITY_COMPRESS;
}
grpc_slice_buffer_init(&s->compressed_data_buffer);
s->send_initial_metadata_finished = add_closure_barrier(on_complete);
s->send_initial_metadata =

9
src/core/ext/transport/chttp2/transport/internal.h
Unescape View File

@ -557,10 +557,11 @@ struct grpc_chttp2_stream {
grpc_chttp2_write_cb *finish_after_write;
size_t sending_bytes;
/** Whether stream compression send is enabled */
/* Stream compression method to be used. */
grpc_stream_compression_method stream_compression_method;
/* Stream decompression method to be used. */
grpc_stream_compression_method stream_decompression_method;
bool stream_compression_recv_enabled;
/** Whether stream compression recv is enabled */
bool stream_compression_send_enabled;
/** Whether bytes stored in unprocessed_incoming_byte_stream is decompressed
*/
bool unprocessed_incoming_frames_decompressed;
@ -570,7 +571,7 @@ struct grpc_chttp2_stream {
grpc_stream_compression_context *stream_compression_ctx;
/** Buffer storing data that is compressed but not sent */
grpc_slice_buffer *compressed_data_buffer;
grpc_slice_buffer compressed_data_buffer;
/** Amount of uncompressed bytes sent out when compressed_data_buffer is
* emptied */
size_t uncompressed_data_size;

89
src/core/ext/transport/chttp2/transport/writing.c
Unescape View File

@ -288,8 +288,7 @@ grpc_chttp2_begin_write_result grpc_chttp2_begin_write(
if (sent_initial_metadata) {
/* send any body bytes, if allowed by flow control */
if (s->flow_controlled_buffer.length > 0 ||
(s->stream_compression_send_enabled &&
s->compressed_data_buffer->length > 0)) {
s->compressed_data_buffer.length > 0) {
uint32_t stream_remote_window = (uint32_t)GPR_MAX(
0,
s->flow_control.remote_window_delta +
@ -302,56 +301,40 @@ grpc_chttp2_begin_write_result grpc_chttp2_begin_write(
if (max_outgoing > 0) {
bool is_last_data_frame = false;
bool is_last_frame = false;
if (s->stream_compression_send_enabled) {
while ((s->flow_controlled_buffer.length > 0 ||
s->compressed_data_buffer->length > 0) &&
max_outgoing > 0) {
if (s->compressed_data_buffer->length > 0) {
uint32_t send_bytes = (uint32_t)GPR_MIN(
max_outgoing, s->compressed_data_buffer->length);
is_last_data_frame =
(send_bytes == s->compressed_data_buffer->length &&
s->flow_controlled_buffer.length == 0 &&
s->fetching_send_message == NULL);
is_last_frame =
is_last_data_frame && s->send_trailing_metadata != NULL &&
grpc_metadata_batch_is_empty(s->send_trailing_metadata);
grpc_chttp2_encode_data(s->id, s->compressed_data_buffer,
send_bytes, is_last_frame,
&s->stats.outgoing, &t->outbuf);
grpc_chttp2_flowctl_sent_data(&t->flow_control,
&s->flow_control, send_bytes);
max_outgoing -= send_bytes;
if (s->compressed_data_buffer->length == 0) {
s->sending_bytes += s->uncompressed_data_size;
}
} else {
if (s->stream_compression_ctx == NULL) {
s->stream_compression_ctx =
grpc_stream_compression_context_create(
GRPC_STREAM_COMPRESSION_GZIP_COMPRESS);
}
s->uncompressed_data_size = s->flow_controlled_buffer.length;
GPR_ASSERT(grpc_stream_compress(
s->stream_compression_ctx, &s->flow_controlled_buffer,
s->compressed_data_buffer, NULL, MAX_SIZE_T,
GRPC_STREAM_COMPRESSION_FLUSH_SYNC));
while ((s->flow_controlled_buffer.length > 0 ||
s->compressed_data_buffer.length > 0) &&
max_outgoing > 0) {
if (s->compressed_data_buffer.length > 0) {
uint32_t send_bytes = (uint32_t)GPR_MIN(
max_outgoing, s->compressed_data_buffer.length);
is_last_data_frame =
(send_bytes == s->compressed_data_buffer.length &&
s->flow_controlled_buffer.length == 0 &&
s->fetching_send_message == NULL);
is_last_frame =
is_last_data_frame && s->send_trailing_metadata != NULL &&
grpc_metadata_batch_is_empty(s->send_trailing_metadata);
grpc_chttp2_encode_data(s->id, &s->compressed_data_buffer,
send_bytes, is_last_frame,
&s->stats.outgoing, &t->outbuf);
grpc_chttp2_flowctl_sent_data(&t->flow_control,
&s->flow_control, send_bytes);
max_outgoing -= send_bytes;
if (s->compressed_data_buffer.length == 0) {
s->sending_bytes += s->uncompressed_data_size;
}
} else {
if (s->stream_compression_ctx == NULL) {
s->stream_compression_ctx =
grpc_stream_compression_context_create(
s->stream_compression_method);
}
s->uncompressed_data_size = s->flow_controlled_buffer.length;
GPR_ASSERT(grpc_stream_compress(
s->stream_compression_ctx, &s->flow_controlled_buffer,
&s->compressed_data_buffer, NULL, MAX_SIZE_T,
GRPC_STREAM_COMPRESSION_FLUSH_SYNC));
}
} else {
uint32_t send_bytes = (uint32_t)GPR_MIN(
max_outgoing, s->flow_controlled_buffer.length);
is_last_data_frame = s->fetching_send_message == NULL &&
send_bytes == s->flow_controlled_buffer.length;
is_last_frame =
is_last_data_frame && s->send_trailing_metadata != NULL &&
grpc_metadata_batch_is_empty(s->send_trailing_metadata);
grpc_chttp2_encode_data(s->id, &s->flow_controlled_buffer,
send_bytes, is_last_frame,
&s->stats.outgoing, &t->outbuf);
grpc_chttp2_flowctl_sent_data(&t->flow_control, &s->flow_control,
send_bytes);
s->sending_bytes += send_bytes;
}
t->ping_state.pings_before_data_required =
t->ping_policy.max_pings_without_data;
@ -371,8 +354,7 @@ grpc_chttp2_begin_write_result grpc_chttp2_begin_write(
}
now_writing = true;
if (s->flow_controlled_buffer.length > 0 ||
(s->stream_compression_send_enabled &&
s->compressed_data_buffer->length > 0)) {
s->compressed_data_buffer.length > 0) {
GRPC_CHTTP2_STREAM_REF(s, "chttp2_writing:fork");
grpc_chttp2_list_add_writable_stream(t, s);
}
@ -387,8 +369,7 @@ grpc_chttp2_begin_write_result grpc_chttp2_begin_write(
if (s->send_trailing_metadata != NULL &&
s->fetching_send_message == NULL &&
s->flow_controlled_buffer.length == 0 &&
(!s->stream_compression_send_enabled ||
s->compressed_data_buffer->length == 0)) {
s->compressed_data_buffer.length == 0) {
GRPC_CHTTP2_IF_TRACING(gpr_log(GPR_INFO, "sending trailing_metadata"));
if (grpc_metadata_batch_is_empty(s->send_trailing_metadata)) {
grpc_chttp2_encode_data(s->id, &s->flow_controlled_buffer, 0, true,

Write Preview
Loading…
Cancel
Save