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-rw-r--r--BUILD2
-rw-r--r--CMakeLists.txt4
-rw-r--r--Makefile4
-rw-r--r--binding.gyp1
-rw-r--r--build.yaml2
-rw-r--r--config.m41
-rw-r--r--gRPC-Core.podspec3
-rwxr-xr-xgrpc.gemspec2
-rw-r--r--include/grpc/impl/codegen/grpc_types.h2
-rw-r--r--package.xml2
-rw-r--r--src/core/ext/transport/chttp2/transport/chttp2_transport.c47
-rw-r--r--src/core/ext/transport/chttp2/transport/frame_settings.c45
-rw-r--r--src/core/ext/transport/chttp2/transport/frame_settings.h30
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_encoder.c101
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_encoder.h15
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_parser.c26
-rw-r--r--src/core/ext/transport/chttp2/transport/http2_settings.c74
-rw-r--r--src/core/ext/transport/chttp2/transport/http2_settings.h74
-rw-r--r--src/core/ext/transport/chttp2/transport/writing.c36
-rw-r--r--src/python/grpcio/grpc_core_dependencies.py1
-rw-r--r--test/core/transport/chttp2/hpack_encoder_test.c61
-rw-r--r--test/cpp/microbenchmarks/bm_chttp2_hpack.cc154
-rwxr-xr-xtools/codegen/core/gen_settings_ids.py182
-rw-r--r--tools/doxygen/Doxyfile.core.internal2
-rw-r--r--tools/run_tests/generated/sources_and_headers.json3
-rw-r--r--vsprojects/vcxproj/grpc/grpc.vcxproj3
-rw-r--r--vsprojects/vcxproj/grpc/grpc.vcxproj.filters6
-rw-r--r--vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj3
-rw-r--r--vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters6
29 files changed, 681 insertions, 211 deletions
diff --git a/BUILD b/BUILD
index c4632fc0a2..c164daeca1 100644
--- a/BUILD
+++ b/BUILD
@@ -978,6 +978,7 @@ grpc_cc_library(
"src/core/ext/transport/chttp2/transport/frame_ping.c",
"src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
"src/core/ext/transport/chttp2/transport/frame_settings.c",
+ "src/core/ext/transport/chttp2/transport/http2_settings.c",
"src/core/ext/transport/chttp2/transport/frame_window_update.c",
"src/core/ext/transport/chttp2/transport/hpack_encoder.c",
"src/core/ext/transport/chttp2/transport/hpack_parser.c",
@@ -1000,6 +1001,7 @@ grpc_cc_library(
"src/core/ext/transport/chttp2/transport/frame_ping.h",
"src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
"src/core/ext/transport/chttp2/transport/frame_settings.h",
+ "src/core/ext/transport/chttp2/transport/http2_settings.h",
"src/core/ext/transport/chttp2/transport/frame_window_update.h",
"src/core/ext/transport/chttp2/transport/hpack_encoder.h",
"src/core/ext/transport/chttp2/transport/hpack_parser.h",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index acf47e5bfe..c713f696cc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1045,6 +1045,7 @@ add_library(grpc
src/core/ext/transport/chttp2/transport/hpack_encoder.c
src/core/ext/transport/chttp2/transport/hpack_parser.c
src/core/ext/transport/chttp2/transport/hpack_table.c
+ src/core/ext/transport/chttp2/transport/http2_settings.c
src/core/ext/transport/chttp2/transport/huffsyms.c
src/core/ext/transport/chttp2/transport/incoming_metadata.c
src/core/ext/transport/chttp2/transport/parsing.c
@@ -1370,6 +1371,7 @@ add_library(grpc_cronet
src/core/ext/transport/chttp2/transport/hpack_encoder.c
src/core/ext/transport/chttp2/transport/hpack_parser.c
src/core/ext/transport/chttp2/transport/hpack_table.c
+ src/core/ext/transport/chttp2/transport/http2_settings.c
src/core/ext/transport/chttp2/transport/huffsyms.c
src/core/ext/transport/chttp2/transport/incoming_metadata.c
src/core/ext/transport/chttp2/transport/parsing.c
@@ -1936,6 +1938,7 @@ add_library(grpc_unsecure
src/core/ext/transport/chttp2/transport/hpack_encoder.c
src/core/ext/transport/chttp2/transport/hpack_parser.c
src/core/ext/transport/chttp2/transport/hpack_table.c
+ src/core/ext/transport/chttp2/transport/http2_settings.c
src/core/ext/transport/chttp2/transport/huffsyms.c
src/core/ext/transport/chttp2/transport/incoming_metadata.c
src/core/ext/transport/chttp2/transport/parsing.c
@@ -2687,6 +2690,7 @@ add_library(grpc++_cronet
src/core/ext/transport/chttp2/transport/hpack_encoder.c
src/core/ext/transport/chttp2/transport/hpack_parser.c
src/core/ext/transport/chttp2/transport/hpack_table.c
+ src/core/ext/transport/chttp2/transport/http2_settings.c
src/core/ext/transport/chttp2/transport/huffsyms.c
src/core/ext/transport/chttp2/transport/incoming_metadata.c
src/core/ext/transport/chttp2/transport/parsing.c
diff --git a/Makefile b/Makefile
index 5ad05570f9..b0dcfc21c5 100644
--- a/Makefile
+++ b/Makefile
@@ -2947,6 +2947,7 @@ LIBGRPC_SRC = \
src/core/ext/transport/chttp2/transport/hpack_encoder.c \
src/core/ext/transport/chttp2/transport/hpack_parser.c \
src/core/ext/transport/chttp2/transport/hpack_table.c \
+ src/core/ext/transport/chttp2/transport/http2_settings.c \
src/core/ext/transport/chttp2/transport/huffsyms.c \
src/core/ext/transport/chttp2/transport/incoming_metadata.c \
src/core/ext/transport/chttp2/transport/parsing.c \
@@ -3270,6 +3271,7 @@ LIBGRPC_CRONET_SRC = \
src/core/ext/transport/chttp2/transport/hpack_encoder.c \
src/core/ext/transport/chttp2/transport/hpack_parser.c \
src/core/ext/transport/chttp2/transport/hpack_table.c \
+ src/core/ext/transport/chttp2/transport/http2_settings.c \
src/core/ext/transport/chttp2/transport/huffsyms.c \
src/core/ext/transport/chttp2/transport/incoming_metadata.c \
src/core/ext/transport/chttp2/transport/parsing.c \
@@ -3807,6 +3809,7 @@ LIBGRPC_UNSECURE_SRC = \
src/core/ext/transport/chttp2/transport/hpack_encoder.c \
src/core/ext/transport/chttp2/transport/hpack_parser.c \
src/core/ext/transport/chttp2/transport/hpack_table.c \
+ src/core/ext/transport/chttp2/transport/http2_settings.c \
src/core/ext/transport/chttp2/transport/huffsyms.c \
src/core/ext/transport/chttp2/transport/incoming_metadata.c \
src/core/ext/transport/chttp2/transport/parsing.c \
@@ -4543,6 +4546,7 @@ LIBGRPC++_CRONET_SRC = \
src/core/ext/transport/chttp2/transport/hpack_encoder.c \
src/core/ext/transport/chttp2/transport/hpack_parser.c \
src/core/ext/transport/chttp2/transport/hpack_table.c \
+ src/core/ext/transport/chttp2/transport/http2_settings.c \
src/core/ext/transport/chttp2/transport/huffsyms.c \
src/core/ext/transport/chttp2/transport/incoming_metadata.c \
src/core/ext/transport/chttp2/transport/parsing.c \
diff --git a/binding.gyp b/binding.gyp
index 3444fa53db..61668115af 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -787,6 +787,7 @@
'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
'src/core/ext/transport/chttp2/transport/hpack_parser.c',
'src/core/ext/transport/chttp2/transport/hpack_table.c',
+ 'src/core/ext/transport/chttp2/transport/http2_settings.c',
'src/core/ext/transport/chttp2/transport/huffsyms.c',
'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
'src/core/ext/transport/chttp2/transport/parsing.c',
diff --git a/build.yaml b/build.yaml
index c294fc9185..def5ebf3a3 100644
--- a/build.yaml
+++ b/build.yaml
@@ -664,6 +664,7 @@ filegroups:
- src/core/ext/transport/chttp2/transport/hpack_encoder.h
- src/core/ext/transport/chttp2/transport/hpack_parser.h
- src/core/ext/transport/chttp2/transport/hpack_table.h
+ - src/core/ext/transport/chttp2/transport/http2_settings.h
- src/core/ext/transport/chttp2/transport/huffsyms.h
- src/core/ext/transport/chttp2/transport/incoming_metadata.h
- src/core/ext/transport/chttp2/transport/internal.h
@@ -683,6 +684,7 @@ filegroups:
- src/core/ext/transport/chttp2/transport/hpack_encoder.c
- src/core/ext/transport/chttp2/transport/hpack_parser.c
- src/core/ext/transport/chttp2/transport/hpack_table.c
+ - src/core/ext/transport/chttp2/transport/http2_settings.c
- src/core/ext/transport/chttp2/transport/huffsyms.c
- src/core/ext/transport/chttp2/transport/incoming_metadata.c
- src/core/ext/transport/chttp2/transport/parsing.c
diff --git a/config.m4 b/config.m4
index 2846781031..c3a45540bc 100644
--- a/config.m4
+++ b/config.m4
@@ -221,6 +221,7 @@ if test "$PHP_GRPC" != "no"; then
src/core/ext/transport/chttp2/transport/hpack_encoder.c \
src/core/ext/transport/chttp2/transport/hpack_parser.c \
src/core/ext/transport/chttp2/transport/hpack_table.c \
+ src/core/ext/transport/chttp2/transport/http2_settings.c \
src/core/ext/transport/chttp2/transport/huffsyms.c \
src/core/ext/transport/chttp2/transport/incoming_metadata.c \
src/core/ext/transport/chttp2/transport/parsing.c \
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 83c19afc24..9030a86edf 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -378,6 +378,7 @@ Pod::Spec.new do |s|
'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
'src/core/ext/transport/chttp2/transport/hpack_parser.h',
'src/core/ext/transport/chttp2/transport/hpack_table.h',
+ 'src/core/ext/transport/chttp2/transport/http2_settings.h',
'src/core/ext/transport/chttp2/transport/huffsyms.h',
'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
'src/core/ext/transport/chttp2/transport/internal.h',
@@ -596,6 +597,7 @@ Pod::Spec.new do |s|
'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
'src/core/ext/transport/chttp2/transport/hpack_parser.c',
'src/core/ext/transport/chttp2/transport/hpack_table.c',
+ 'src/core/ext/transport/chttp2/transport/http2_settings.c',
'src/core/ext/transport/chttp2/transport/huffsyms.c',
'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
'src/core/ext/transport/chttp2/transport/parsing.c',
@@ -828,6 +830,7 @@ Pod::Spec.new do |s|
'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
'src/core/ext/transport/chttp2/transport/hpack_parser.h',
'src/core/ext/transport/chttp2/transport/hpack_table.h',
+ 'src/core/ext/transport/chttp2/transport/http2_settings.h',
'src/core/ext/transport/chttp2/transport/huffsyms.h',
'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
'src/core/ext/transport/chttp2/transport/internal.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index a3a5870761..85ec1a964e 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -294,6 +294,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.h )
s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.h )
s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.h )
+ s.files += %w( src/core/ext/transport/chttp2/transport/http2_settings.h )
s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.h )
s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.h )
s.files += %w( src/core/ext/transport/chttp2/transport/internal.h )
@@ -512,6 +513,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.c )
s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.c )
s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.c )
+ s.files += %w( src/core/ext/transport/chttp2/transport/http2_settings.c )
s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.c )
s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.c )
s.files += %w( src/core/ext/transport/chttp2/transport/parsing.c )
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index 8a8b20650f..9663b5b1ee 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -217,6 +217,8 @@ typedef struct {
/** How much data are we willing to queue up per stream if
GRPC_WRITE_BUFFER_HINT is set? This is an upper bound */
#define GRPC_ARG_HTTP2_WRITE_BUFFER_SIZE "grpc.http2.write_buffer_size"
+/** Should we allow receipt of true-binary data on http2 connections? */
+#define GRPC_ARG_HTTP2_ENABLE_TRUE_BINARY "grpc.http2.true_binary"
/** After a duration of this time the client/server pings its peer to see if the
transport is still alive. Int valued, milliseconds. */
#define GRPC_ARG_KEEPALIVE_TIME_MS "grpc.keepalive_time_ms"
diff --git a/package.xml b/package.xml
index 6957ecca73..f615e82ddd 100644
--- a/package.xml
+++ b/package.xml
@@ -303,6 +303,7 @@
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_encoder.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_parser.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_table.h" role="src" />
+ <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/http2_settings.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/huffsyms.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/incoming_metadata.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/internal.h" role="src" />
@@ -521,6 +522,7 @@
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_encoder.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_parser.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_table.c" role="src" />
+ <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/http2_settings.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/huffsyms.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/incoming_metadata.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/parsing.c" role="src" />
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index e2816b0e04..63effe4011 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -356,6 +356,8 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
DEFAULT_WINDOW);
push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE,
DEFAULT_MAX_HEADER_LIST_SIZE);
+ push_setting(exec_ctx, t,
+ GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA, 1);
t->ping_policy = (grpc_chttp2_repeated_ping_policy){
.max_pings_without_data = DEFAULT_MAX_PINGS_BETWEEN_DATA,
@@ -486,26 +488,31 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
grpc_chttp2_setting_id setting_id;
grpc_integer_options integer_options;
bool availability[2] /* server, client */;
- } settings_map[] = {{GRPC_ARG_MAX_CONCURRENT_STREAMS,
- GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS,
- {-1, 0, INT32_MAX},
- {true, false}},
- {GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER,
- GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE,
- {-1, 0, INT32_MAX},
- {true, true}},
- {GRPC_ARG_MAX_METADATA_SIZE,
- GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE,
- {-1, 0, INT32_MAX},
- {true, true}},
- {GRPC_ARG_HTTP2_MAX_FRAME_SIZE,
- GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE,
- {-1, 16384, 16777215},
- {true, true}},
- {GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES,
- GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE,
- {-1, 5, INT32_MAX},
- {true, true}}};
+ } settings_map[] = {
+ {GRPC_ARG_MAX_CONCURRENT_STREAMS,
+ GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS,
+ {-1, 0, INT32_MAX},
+ {true, false}},
+ {GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER,
+ GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE,
+ {-1, 0, INT32_MAX},
+ {true, true}},
+ {GRPC_ARG_MAX_METADATA_SIZE,
+ GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE,
+ {-1, 0, INT32_MAX},
+ {true, true}},
+ {GRPC_ARG_HTTP2_MAX_FRAME_SIZE,
+ GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE,
+ {-1, 16384, 16777215},
+ {true, true}},
+ {GRPC_ARG_HTTP2_ENABLE_TRUE_BINARY,
+ GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA,
+ {1, 0, 1},
+ {true, true}},
+ {GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES,
+ GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE,
+ {-1, 5, INT32_MAX},
+ {true, true}}};
for (j = 0; j < (int)GPR_ARRAY_SIZE(settings_map); j++) {
if (0 == strcmp(channel_args->args[i].key,
settings_map[j].channel_arg_name)) {
diff --git a/src/core/ext/transport/chttp2/transport/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c
index 16881c0707..4f2b827832 100644
--- a/src/core/ext/transport/chttp2/transport/frame_settings.c
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.c
@@ -46,29 +46,6 @@
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/transport/http2_errors.h"
-#define MAX_MAX_HEADER_LIST_SIZE (1024 * 1024 * 1024)
-
-/* HTTP/2 mandated initial connection settings */
-const grpc_chttp2_setting_parameters
- grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS] = {
- {NULL, 0, 0, 0, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
- GRPC_HTTP2_PROTOCOL_ERROR},
- {"HEADER_TABLE_SIZE", 4096, 0, 0xffffffff,
- GRPC_CHTTP2_CLAMP_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
- {"ENABLE_PUSH", 1, 0, 1, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
- GRPC_HTTP2_PROTOCOL_ERROR},
- {"MAX_CONCURRENT_STREAMS", 0xffffffffu, 0, 0xffffffffu,
- GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
- {"INITIAL_WINDOW_SIZE", 65535, 0, 0x7fffffffu,
- GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
- GRPC_HTTP2_FLOW_CONTROL_ERROR},
- {"MAX_FRAME_SIZE", 16384, 16384, 16777215,
- GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
- {"MAX_HEADER_LIST_SIZE", MAX_MAX_HEADER_LIST_SIZE, 0,
- MAX_MAX_HEADER_LIST_SIZE, GRPC_CHTTP2_CLAMP_INVALID_VALUE,
- GRPC_HTTP2_PROTOCOL_ERROR},
-};
-
static uint8_t *fill_header(uint8_t *out, uint32_t length, uint8_t flags) {
*out++ = (uint8_t)(length >> 16);
*out++ = (uint8_t)(length >> 8);
@@ -98,9 +75,8 @@ grpc_slice grpc_chttp2_settings_create(uint32_t *old, const uint32_t *new,
for (i = 0; i < count; i++) {
if (new[i] != old[i] || (force_mask & (1u << i)) != 0) {
- GPR_ASSERT(i);
- *p++ = (uint8_t)(i >> 8);
- *p++ = (uint8_t)(i);
+ *p++ = (uint8_t)(grpc_setting_id_to_wire_id[i] >> 8);
+ *p++ = (uint8_t)(grpc_setting_id_to_wire_id[i]);
*p++ = (uint8_t)(new[i] >> 24);
*p++ = (uint8_t)(new[i] >> 16);
*p++ = (uint8_t)(new[i] >> 8);
@@ -154,6 +130,7 @@ grpc_error *grpc_chttp2_settings_parser_parse(grpc_exec_ctx *exec_ctx, void *p,
const uint8_t *cur = GRPC_SLICE_START_PTR(slice);
const uint8_t *end = GRPC_SLICE_END_PTR(slice);
char *msg;
+ grpc_chttp2_setting_id id;
if (parser->is_ack) {
return GRPC_ERROR_NONE;
@@ -216,9 +193,9 @@ grpc_error *grpc_chttp2_settings_parser_parse(grpc_exec_ctx *exec_ctx, void *p,
parser->value |= *cur;
cur++;
- if (parser->id > 0 && parser->id < GRPC_CHTTP2_NUM_SETTINGS) {
+ if (grpc_wire_id_to_setting_id(parser->id, &id)) {
const grpc_chttp2_setting_parameters *sp =
- &grpc_chttp2_settings_parameters[parser->id];
+ &grpc_chttp2_settings_parameters[id];
if (parser->value < sp->min_value || parser->value > sp->max_value) {
switch (sp->invalid_value_behavior) {
case GRPC_CHTTP2_CLAMP_INVALID_VALUE:
@@ -237,19 +214,19 @@ grpc_error *grpc_chttp2_settings_parser_parse(grpc_exec_ctx *exec_ctx, void *p,
return err;
}
}
- if (parser->id == GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE &&
- parser->incoming_settings[parser->id] != parser->value) {
+ if (id == GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE &&
+ parser->incoming_settings[id] != parser->value) {
t->initial_window_update +=
- (int64_t)parser->value - parser->incoming_settings[parser->id];
+ (int64_t)parser->value - parser->incoming_settings[id];
if (grpc_http_trace) {
gpr_log(GPR_DEBUG, "adding %d for initial_window change",
(int)t->initial_window_update);
}
}
- parser->incoming_settings[parser->id] = parser->value;
+ parser->incoming_settings[id] = parser->value;
if (grpc_http_trace) {
- gpr_log(GPR_DEBUG, "CHTTP2:%s:%s: got setting %d = %d",
- t->is_client ? "CLI" : "SVR", t->peer_string, parser->id,
+ gpr_log(GPR_DEBUG, "CHTTP2:%s:%s: got setting %s = %d",
+ t->is_client ? "CLI" : "SVR", t->peer_string, sp->name,
parser->value);
}
} else if (grpc_http_trace) {
diff --git a/src/core/ext/transport/chttp2/transport/frame_settings.h b/src/core/ext/transport/chttp2/transport/frame_settings.h
index 44137798c0..2a85d0dba7 100644
--- a/src/core/ext/transport/chttp2/transport/frame_settings.h
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.h
@@ -37,6 +37,7 @@
#include <grpc/slice.h>
#include <grpc/support/port_platform.h>
#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/http2_settings.h"
#include "src/core/lib/iomgr/exec_ctx.h"
typedef enum {
@@ -48,17 +49,6 @@ typedef enum {
GRPC_CHTTP2_SPS_VAL3
} grpc_chttp2_settings_parse_state;
-/* The things HTTP/2 defines as connection level settings */
-typedef enum {
- GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE = 1,
- GRPC_CHTTP2_SETTINGS_ENABLE_PUSH = 2,
- GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS = 3,
- GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE = 4,
- GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE = 5,
- GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE = 6,
- GRPC_CHTTP2_NUM_SETTINGS
-} grpc_chttp2_setting_id;
-
typedef struct {
grpc_chttp2_settings_parse_state state;
uint32_t *target_settings;
@@ -68,24 +58,6 @@ typedef struct {
uint32_t incoming_settings[GRPC_CHTTP2_NUM_SETTINGS];
} grpc_chttp2_settings_parser;
-typedef enum {
- GRPC_CHTTP2_CLAMP_INVALID_VALUE,
- GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE
-} grpc_chttp2_invalid_value_behavior;
-
-typedef struct {
- const char *name;
- uint32_t default_value;
- uint32_t min_value;
- uint32_t max_value;
- grpc_chttp2_invalid_value_behavior invalid_value_behavior;
- uint32_t error_value;
-} grpc_chttp2_setting_parameters;
-
-/* HTTP/2 mandated connection setting parameters */
-extern const grpc_chttp2_setting_parameters
- grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS];
-
/* Create a settings frame by diffing old & new, and updating old to be new */
grpc_slice grpc_chttp2_settings_create(uint32_t *old, const uint32_t *newval,
uint32_t force_mask, size_t count);
diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
index 84586cd998..b1bc677a7a 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
@@ -86,6 +86,7 @@ typedef struct {
grpc_transport_one_way_stats *stats;
/* maximum size of a frame */
size_t max_frame_size;
+ bool use_true_binary_metadata;
} framer_state;
/* fills p (which is expected to be 9 bytes long) with a data frame header */
@@ -290,86 +291,113 @@ static void emit_indexed(grpc_chttp2_hpack_compressor *c, uint32_t elem_index,
len);
}
-static grpc_slice get_wire_value(grpc_mdelem elem, uint8_t *huffman_prefix) {
+typedef struct {
+ grpc_slice data;
+ uint8_t huffman_prefix;
+ bool insert_null_before_wire_value;
+} wire_value;
+
+static wire_value get_wire_value(grpc_mdelem elem, bool true_binary_enabled) {
if (grpc_is_binary_header(GRPC_MDKEY(elem))) {
- *huffman_prefix = 0x80;
- return grpc_chttp2_base64_encode_and_huffman_compress(GRPC_MDVALUE(elem));
+ if (true_binary_enabled) {
+ return (wire_value){
+ .huffman_prefix = 0x00,
+ .insert_null_before_wire_value = true,
+ .data = grpc_slice_ref_internal(GRPC_MDVALUE(elem)),
+ };
+ } else {
+ return (wire_value){
+ .huffman_prefix = 0x80,
+ .insert_null_before_wire_value = false,
+ .data = grpc_chttp2_base64_encode_and_huffman_compress(
+ GRPC_MDVALUE(elem)),
+ };
+ }
+ } else {
+ /* TODO(ctiller): opportunistically compress non-binary headers */
+ return (wire_value){
+ .huffman_prefix = 0x00,
+ .insert_null_before_wire_value = false,
+ .data = grpc_slice_ref_internal(GRPC_MDVALUE(elem)),
+ };
}
- /* TODO(ctiller): opportunistically compress non-binary headers */
- *huffman_prefix = 0x00;
- return grpc_slice_ref_internal(GRPC_MDVALUE(elem));
+}
+
+static size_t wire_value_length(wire_value v) {
+ return GPR_SLICE_LENGTH(v.data) + v.insert_null_before_wire_value;
+}
+
+static void add_wire_value(framer_state *st, wire_value v) {
+ if (v.insert_null_before_wire_value) *add_tiny_header_data(st, 1) = 0;
+ add_header_data(st, v.data);
}
static void emit_lithdr_incidx(grpc_chttp2_hpack_compressor *c,
uint32_t key_index, grpc_mdelem elem,
framer_state *st) {
uint32_t len_pfx = GRPC_CHTTP2_VARINT_LENGTH(key_index, 2);
- uint8_t huffman_prefix;
- grpc_slice value_slice = get_wire_value(elem, &huffman_prefix);
- size_t len_val = GRPC_SLICE_LENGTH(value_slice);
+ wire_value value = get_wire_value(elem, st->use_true_binary_metadata);
+ size_t len_val = wire_value_length(value);
uint32_t len_val_len;
GPR_ASSERT(len_val <= UINT32_MAX);
len_val_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)len_val, 1);
GRPC_CHTTP2_WRITE_VARINT(key_index, 2, 0x40,
add_tiny_header_data(st, len_pfx), len_pfx);
- GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix,
+ GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, value.huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_wire_value(st, value);
}
static void emit_lithdr_noidx(grpc_chttp2_hpack_compressor *c,
uint32_t key_index, grpc_mdelem elem,
framer_state *st) {
uint32_t len_pfx = GRPC_CHTTP2_VARINT_LENGTH(key_index, 4);
- uint8_t huffman_prefix;
- grpc_slice value_slice = get_wire_value(elem, &huffman_prefix);
- size_t len_val = GRPC_SLICE_LENGTH(value_slice);
+ wire_value value = get_wire_value(elem, st->use_true_binary_metadata);
+ size_t len_val = wire_value_length(value);
uint32_t len_val_len;
GPR_ASSERT(len_val <= UINT32_MAX);
len_val_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)len_val, 1);
GRPC_CHTTP2_WRITE_VARINT(key_index, 4, 0x00,
add_tiny_header_data(st, len_pfx), len_pfx);
- GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix,
+ GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, value.huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_wire_value(st, value);
}
static void emit_lithdr_incidx_v(grpc_chttp2_hpack_compressor *c,
grpc_mdelem elem, framer_state *st) {
uint32_t len_key = (uint32_t)GRPC_SLICE_LENGTH(GRPC_MDKEY(elem));
- uint8_t huffman_prefix;
- grpc_slice value_slice = get_wire_value(elem, &huffman_prefix);
- uint32_t len_val = (uint32_t)GRPC_SLICE_LENGTH(value_slice);
+ wire_value value = get_wire_value(elem, st->use_true_binary_metadata);
+ uint32_t len_val = (uint32_t)wire_value_length(value);
uint32_t len_key_len = GRPC_CHTTP2_VARINT_LENGTH(len_key, 1);
uint32_t len_val_len = GRPC_CHTTP2_VARINT_LENGTH(len_val, 1);
GPR_ASSERT(len_key <= UINT32_MAX);
- GPR_ASSERT(GRPC_SLICE_LENGTH(value_slice) <= UINT32_MAX);
+ GPR_ASSERT(wire_value_length(value) <= UINT32_MAX);
*add_tiny_header_data(st, 1) = 0x40;
GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00,
add_tiny_header_data(st, len_key_len), len_key_len);
add_header_data(st, grpc_slice_ref_internal(GRPC_MDKEY(elem)));
- GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix,
+ GRPC_CHTTP2_WRITE_VARINT(len_val, 1, value.huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_wire_value(st, value);
}
static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c,
grpc_mdelem elem, framer_state *st) {
uint32_t len_key = (uint32_t)GRPC_SLICE_LENGTH(GRPC_MDKEY(elem));
- uint8_t huffman_prefix;
- grpc_slice value_slice = get_wire_value(elem, &huffman_prefix);
- uint32_t len_val = (uint32_t)GRPC_SLICE_LENGTH(value_slice);
+ wire_value value = get_wire_value(elem, st->use_true_binary_metadata);
+ uint32_t len_val = (uint32_t)wire_value_length(value);
uint32_t len_key_len = GRPC_CHTTP2_VARINT_LENGTH(len_key, 1);
uint32_t len_val_len = GRPC_CHTTP2_VARINT_LENGTH(len_val, 1);
GPR_ASSERT(len_key <= UINT32_MAX);
- GPR_ASSERT(GRPC_SLICE_LENGTH(value_slice) <= UINT32_MAX);
+ GPR_ASSERT(wire_value_length(value) <= UINT32_MAX);
*add_tiny_header_data(st, 1) = 0x00;
GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00,
add_tiny_header_data(st, len_key_len), len_key_len);
add_header_data(st, grpc_slice_ref_internal(GRPC_MDKEY(elem)));
- GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix,
+ GRPC_CHTTP2_WRITE_VARINT(len_val, 1, value.huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_wire_value(st, value);
}
static void emit_advertise_table_size_change(grpc_chttp2_hpack_compressor *c,
@@ -595,23 +623,22 @@ void grpc_chttp2_hpack_compressor_set_max_table_size(
void grpc_chttp2_encode_header(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_compressor *c,
- uint32_t stream_id,
- grpc_metadata_batch *metadata, int is_eof,
- size_t max_frame_size,
- grpc_transport_one_way_stats *stats,
+ grpc_metadata_batch *metadata,
+ const grpc_encode_header_options *options,
grpc_slice_buffer *outbuf) {
framer_state st;
grpc_linked_mdelem *l;
gpr_timespec deadline;
- GPR_ASSERT(stream_id != 0);
+ GPR_ASSERT(options->stream_id != 0);
st.seen_regular_header = 0;
- st.stream_id = stream_id;
+ st.stream_id = options->stream_id;
st.output = outbuf;
st.is_first_frame = 1;
- st.stats = stats;
- st.max_frame_size = max_frame_size;
+ st.stats = options->stats;
+ st.max_frame_size = options->max_frame_size;
+ st.use_true_binary_metadata = options->use_true_binary_metadata;
/* Encode a metadata batch; store the returned values, representing
a metadata element that needs to be unreffed back into the metadata
@@ -630,5 +657,5 @@ void grpc_chttp2_encode_header(grpc_exec_ctx *exec_ctx,
deadline_enc(exec_ctx, c, deadline, &st);
}
- finish_frame(&st, 1, is_eof);
+ finish_frame(&st, 1, options->is_eof);
}
diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.h b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
index 83ba5b1b3e..6ce3209604 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
@@ -90,11 +90,18 @@ void grpc_chttp2_hpack_compressor_set_max_table_size(
void grpc_chttp2_hpack_compressor_set_max_usable_size(
grpc_chttp2_hpack_compressor *c, uint32_t max_table_size);
+typedef struct {
+ uint32_t stream_id;
+ bool is_eof;
+ bool use_true_binary_metadata;
+ size_t max_frame_size;
+ grpc_transport_one_way_stats *stats;
+} grpc_encode_header_options;
+
void grpc_chttp2_encode_header(grpc_exec_ctx *exec_ctx,
- grpc_chttp2_hpack_compressor *c, uint32_t id,
- grpc_metadata_batch *metadata, int is_eof,
- size_t max_frame_size,
- grpc_transport_one_way_stats *stats,
+ grpc_chttp2_hpack_compressor *c,
+ grpc_metadata_batch *metadata,
+ const grpc_encode_header_options *options,
grpc_slice_buffer *outbuf);
#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_ENCODER_H */
diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.c b/src/core/ext/transport/chttp2/transport/hpack_parser.c
index 5099d736bf..1846a85fc6 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_parser.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.c
@@ -38,11 +38,6 @@
#include <stddef.h>
#include <string.h>
-/* This is here for grpc_is_binary_header
- * TODO(murgatroid99): Remove this
- */
-#include <grpc/grpc.h>
-
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/port_platform.h>
@@ -55,13 +50,11 @@
#include "src/core/lib/support/string.h"
#include "src/core/lib/transport/http2_errors.h"
-/* TODO(ctiller): remove before submission */
-#include "src/core/lib/slice/slice_string_helpers.h"
-
extern int grpc_http_trace;
typedef enum {
NOT_BINARY,
+ BINARY_BEGIN,
B64_BYTE0,
B64_BYTE1,
B64_BYTE2,
@@ -1325,6 +1318,19 @@ static grpc_error *append_string(grpc_exec_ctx *exec_ctx,
case NOT_BINARY:
append_bytes(str, cur, (size_t)(end - cur));
return GRPC_ERROR_NONE;
+ case BINARY_BEGIN:
+ if (cur == end) {
+ p->binary = BINARY_BEGIN;
+ return GRPC_ERROR_NONE;
+ }
+ if (*cur == 0) {
+ /* 'true-binary' case */
+ ++cur;
+ p->binary = NOT_BINARY;
+ append_bytes(str, cur, (size_t)(end - cur));
+ return GRPC_ERROR_NONE;
+ }
+ /* fallthrough */
b64_byte0:
case B64_BYTE0:
if (cur == end) {
@@ -1409,6 +1415,8 @@ static grpc_error *finish_str(grpc_exec_ctx *exec_ctx,
switch ((binary_state)p->binary) {
case NOT_BINARY:
break;
+ case BINARY_BEGIN:
+ break;
case B64_BYTE0:
break;
case B64_BYTE1:
@@ -1571,7 +1579,7 @@ static grpc_error *parse_value_string(grpc_exec_ctx *exec_ctx,
const uint8_t *cur, const uint8_t *end,
bool is_binary) {
return begin_parse_string(exec_ctx, p, cur, end,
- is_binary ? B64_BYTE0 : NOT_BINARY, &p->value);
+ is_binary ? BINARY_BEGIN : NOT_BINARY, &p->value);
}
static grpc_error *parse_value_string_with_indexed_key(
diff --git a/src/core/ext/transport/chttp2/transport/http2_settings.c b/src/core/ext/transport/chttp2/transport/http2_settings.c
new file mode 100644
index 0000000000..bca3834b55
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/http2_settings.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Automatically generated by tools/codegen/core/gen_settings_ids.py
+ */
+
+#include "src/core/ext/transport/chttp2/transport/http2_settings.h"
+
+#include <grpc/support/useful.h>
+#include "src/core/lib/transport/http2_errors.h"
+
+const uint16_t grpc_setting_id_to_wire_id[] = {1, 2, 3, 4, 5, 6, 65027};
+
+bool grpc_wire_id_to_setting_id(uint32_t wire_id, grpc_chttp2_setting_id *out) {
+ uint32_t i = wire_id - 1;
+ uint32_t x = i % 256;
+ uint32_t y = i / 256;
+ uint32_t h = x;
+ switch (y) {
+ case 254:
+ h += 4;
+ break;
+ }
+ *out = (grpc_chttp2_setting_id)h;
+ return h < GPR_ARRAY_SIZE(grpc_setting_id_to_wire_id) &&
+ grpc_setting_id_to_wire_id[h] == wire_id;
+}
+const grpc_chttp2_setting_parameters
+ grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS] = {
+ {"HEADER_TABLE_SIZE", 4096u, 0u, 4294967295u,
+ GRPC_CHTTP2_CLAMP_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+ {"ENABLE_PUSH", 1u, 0u, 1u, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
+ GRPC_HTTP2_PROTOCOL_ERROR},
+ {"MAX_CONCURRENT_STREAMS", 4294967295u, 0u, 4294967295u,
+ GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+ {"INITIAL_WINDOW_SIZE", 65535u, 0u, 2147483647u,
+ GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
+ GRPC_HTTP2_FLOW_CONTROL_ERROR},
+ {"MAX_FRAME_SIZE", 16384u, 16384u, 16777215u,
+ GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+ {"MAX_HEADER_LIST_SIZE", 16777216u, 0u, 16777216u,
+ GRPC_CHTTP2_CLAMP_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+ {"GRPC_ALLOW_TRUE_BINARY_METADATA", 0u, 0u, 1u,
+ GRPC_CHTTP2_CLAMP_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+};
diff --git a/src/core/ext/transport/chttp2/transport/http2_settings.h b/src/core/ext/transport/chttp2/transport/http2_settings.h
new file mode 100644
index 0000000000..61048a6478
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/http2_settings.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Automatically generated by tools/codegen/core/gen_settings_ids.py
+ */
+
+#ifndef SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_SETTINGS_H
+#define SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_SETTINGS_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef enum {
+ GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE = 0, /* wire id 1 */
+ GRPC_CHTTP2_SETTINGS_ENABLE_PUSH = 1, /* wire id 2 */
+ GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS = 2, /* wire id 3 */
+ GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE = 3, /* wire id 4 */
+ GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE = 4, /* wire id 5 */
+ GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE = 5, /* wire id 6 */
+ GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA = 6, /* wire id 65027 */
+} grpc_chttp2_setting_id;
+
+#define GRPC_CHTTP2_NUM_SETTINGS 7
+extern const uint16_t grpc_setting_id_to_wire_id[];
+
+bool grpc_wire_id_to_setting_id(uint32_t wire_id, grpc_chttp2_setting_id *out);
+
+typedef enum {
+ GRPC_CHTTP2_CLAMP_INVALID_VALUE,
+ GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE
+} grpc_chttp2_invalid_value_behavior;
+
+typedef struct {
+ const char *name;
+ uint32_t default_value;
+ uint32_t min_value;
+ uint32_t max_value;
+ grpc_chttp2_invalid_value_behavior invalid_value_behavior;
+ uint32_t error_value;
+} grpc_chttp2_setting_parameters;
+
+extern const grpc_chttp2_setting_parameters
+ grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS];
+
+#endif /* SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_SETTINGS_H */
diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c
index be41b3d186..ae9df175ff 100644
--- a/src/core/ext/transport/chttp2/transport/writing.c
+++ b/src/core/ext/transport/chttp2/transport/writing.c
@@ -219,10 +219,18 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx,
/* send initial metadata if it's available */
if (!sent_initial_metadata && s->send_initial_metadata) {
- grpc_chttp2_encode_header(
- exec_ctx, &t->hpack_compressor, s->id, s->send_initial_metadata, 0,
- t->settings[GRPC_ACKED_SETTINGS][GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE],
- &s->stats.outgoing, &t->outbuf);
+ grpc_encode_header_options hopt = {
+ .stream_id = s->id,
+ .is_eof = false,
+ .use_true_binary_metadata =
+ t->settings
+ [GRPC_ACKED_SETTINGS]
+ [GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA] != 0,
+ .max_frame_size = t->settings[GRPC_ACKED_SETTINGS]
+ [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE],
+ .stats = &s->stats.outgoing};
+ grpc_chttp2_encode_header(exec_ctx, &t->hpack_compressor,
+ s->send_initial_metadata, &hopt, &t->outbuf);
s->send_initial_metadata = NULL;
s->sent_initial_metadata = true;
sent_initial_metadata = true;
@@ -315,11 +323,21 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx,
grpc_chttp2_encode_data(s->id, &s->flow_controlled_buffer, 0, true,
&s->stats.outgoing, &t->outbuf);
} else {
- grpc_chttp2_encode_header(
- exec_ctx, &t->hpack_compressor, s->id, s->send_trailing_metadata,
- true, t->settings[GRPC_ACKED_SETTINGS]
- [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE],
- &s->stats.outgoing, &t->outbuf);
+ grpc_encode_header_options hopt = {
+ .stream_id = s->id,
+ .is_eof = true,
+ .use_true_binary_metadata =
+ t->settings
+ [GRPC_ACKED_SETTINGS]
+ [GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA] !=
+ 0,
+ .max_frame_size =
+ t->settings[GRPC_ACKED_SETTINGS]
+ [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE],
+ .stats = &s->stats.outgoing};
+ grpc_chttp2_encode_header(exec_ctx, &t->hpack_compressor,
+ s->send_trailing_metadata, &hopt,
+ &t->outbuf);
}
s->send_trailing_metadata = NULL;
s->sent_trailing_metadata = true;
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 3bcbe667e2..20c07ed168 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -215,6 +215,7 @@ CORE_SOURCE_FILES = [
'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
'src/core/ext/transport/chttp2/transport/hpack_parser.c',
'src/core/ext/transport/chttp2/transport/hpack_table.c',
+ 'src/core/ext/transport/chttp2/transport/http2_settings.c',
'src/core/ext/transport/chttp2/transport/huffsyms.c',
'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
'src/core/ext/transport/chttp2/transport/parsing.c',
diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c
index d572d79a7f..701d663cbb 100644
--- a/test/core/transport/chttp2/hpack_encoder_test.c
+++ b/test/core/transport/chttp2/hpack_encoder_test.c
@@ -60,9 +60,9 @@ size_t cap_to_delete = 0;
/* verify that the output generated by encoding the stream matches the
hexstring passed in */
-static void verify(grpc_exec_ctx *exec_ctx, size_t window_available, int eof,
- size_t expect_window_used, const char *expected,
- size_t nheaders, ...) {
+static void verify(grpc_exec_ctx *exec_ctx, size_t window_available, bool eof,
+ bool use_true_binary_metadata, size_t expect_window_used,
+ const char *expected, size_t nheaders, ...) {
grpc_slice_buffer output;
grpc_slice merged;
grpc_slice expect = parse_hexstring(expected);
@@ -103,8 +103,14 @@ static void verify(grpc_exec_ctx *exec_ctx, size_t window_available, int eof,
grpc_transport_one_way_stats stats;
memset(&stats, 0, sizeof(stats));
- grpc_chttp2_encode_header(exec_ctx, &g_compressor, 0xdeadbeef, &b, eof, 16384,
- &stats, &output);
+ grpc_encode_header_options hopt = {
+ .stream_id = 0xdeadbeef,
+ .is_eof = eof,
+ .use_true_binary_metadata = false,
+ .max_frame_size = 16384,
+ .stats = &stats,
+ };
+ grpc_chttp2_encode_header(exec_ctx, &g_compressor, &b, &hopt, &output);
merged = grpc_slice_merge(output.slices, output.count);
grpc_slice_buffer_destroy_internal(exec_ctx, &output);
grpc_metadata_batch_destroy(exec_ctx, &b);
@@ -127,25 +133,28 @@ static void verify(grpc_exec_ctx *exec_ctx, size_t window_available, int eof,
static void test_basic_headers(grpc_exec_ctx *exec_ctx) {
int i;
- verify(exec_ctx, 0, 0, 0, "000005 0104 deadbeef 40 0161 0161", 1, "a", "a");
- verify(exec_ctx, 0, 0, 0, "000001 0104 deadbeef be", 1, "a", "a");
- verify(exec_ctx, 0, 0, 0, "000001 0104 deadbeef be", 1, "a", "a");
- verify(exec_ctx, 0, 0, 0, "000006 0104 deadbeef be 40 0162 0163", 2, "a", "a",
- "b", "c");
- verify(exec_ctx, 0, 0, 0, "000002 0104 deadbeef bf be", 2, "a", "a", "b",
- "c");
- verify(exec_ctx, 0, 0, 0, "000004 0104 deadbeef 7f 00 0164", 1, "a", "d");
+ verify(exec_ctx, 0, false, false, 0, "000005 0104 deadbeef 40 0161 0161", 1,
+ "a", "a");
+ verify(exec_ctx, 0, false, false, 0, "000001 0104 deadbeef be", 1, "a", "a");
+ verify(exec_ctx, 0, false, false, 0, "000001 0104 deadbeef be", 1, "a", "a");
+ verify(exec_ctx, 0, false, false, 0, "000006 0104 deadbeef be 40 0162 0163",
+ 2, "a", "a", "b", "c");
+ verify(exec_ctx, 0, false, false, 0, "000002 0104 deadbeef bf be", 2, "a",
+ "a", "b", "c");
+ verify(exec_ctx, 0, false, false, 0, "000004 0104 deadbeef 7f 00 0164", 1,
+ "a", "d");
/* flush out what's there to make a few values look very popular */
for (i = 0; i < 350; i++) {
- verify(exec_ctx, 0, 0, 0, "000003 0104 deadbeef c0 bf be", 3, "a", "a", "b",
- "c", "a", "d");
+ verify(exec_ctx, 0, false, false, 0, "000003 0104 deadbeef c0 bf be", 3,
+ "a", "a", "b", "c", "a", "d");
}
- verify(exec_ctx, 0, 0, 0, "000006 0104 deadbeef c0 00 016b 0176", 2, "a", "a",
- "k", "v");
+ verify(exec_ctx, 0, false, false, 0, "000006 0104 deadbeef c0 00 016b 0176",
+ 2, "a", "a", "k", "v");
/* this could be 000004 0104 deadbeef 0f 30 0176 also */
- verify(exec_ctx, 0, 0, 0, "000004 0104 deadbeef 0f 2f 0176", 1, "a", "v");
+ verify(exec_ctx, 0, false, false, 0, "000004 0104 deadbeef 0f 2f 0176", 1,
+ "a", "v");
}
static void encode_int_to_str(int i, char *p) {
@@ -179,17 +188,17 @@ static void test_decode_table_overflow(grpc_exec_ctx *exec_ctx) {
}
if (i > 0) {
- verify(exec_ctx, 0, 0, 0, expect, 2, "aa", "ba", key, value);
+ verify(exec_ctx, 0, false, false, 0, expect, 2, "aa", "ba", key, value);
} else {
- verify(exec_ctx, 0, 0, 0, expect, 1, key, value);
+ verify(exec_ctx, 0, false, false, 0, expect, 1, key, value);
}
gpr_free(expect);
}
/* if the above passes, then we must have just knocked this pair out of the
decoder stack, and so we'll be forced to re-encode it */
- verify(exec_ctx, 0, 0, 0, "000007 0104 deadbeef 40 026161 026261", 1, "aa",
- "ba");
+ verify(exec_ctx, 0, false, false, 0, "000007 0104 deadbeef 40 026161 026261",
+ 1, "aa", "ba");
}
static void verify_table_size_change_match_elem_size(grpc_exec_ctx *exec_ctx,
@@ -214,8 +223,12 @@ static void verify_table_size_change_match_elem_size(grpc_exec_ctx *exec_ctx,
grpc_transport_one_way_stats stats;
memset(&stats, 0, sizeof(stats));
- grpc_chttp2_encode_header(exec_ctx, &g_compressor, 0xdeadbeef, &b, 0, 16384,
- &stats, &output);
+ grpc_encode_header_options hopt = {.stream_id = 0xdeadbeef,
+ .is_eof = false,
+ .use_true_binary_metadata = false,
+ .max_frame_size = 16384,
+ .stats = &stats};
+ grpc_chttp2_encode_header(exec_ctx, &g_compressor, &b, &hopt, &output);
grpc_slice_buffer_destroy_internal(exec_ctx, &output);
grpc_metadata_batch_destroy(exec_ctx, &b);
diff --git a/test/cpp/microbenchmarks/bm_chttp2_hpack.cc b/test/cpp/microbenchmarks/bm_chttp2_hpack.cc
index 55d2d2f58d..581440682a 100644
--- a/test/cpp/microbenchmarks/bm_chttp2_hpack.cc
+++ b/test/cpp/microbenchmarks/bm_chttp2_hpack.cc
@@ -90,10 +90,15 @@ static void BM_HpackEncoderEncodeHeader(benchmark::State &state) {
grpc_slice_buffer outbuf;
grpc_slice_buffer_init(&outbuf);
while (state.KeepRunning()) {
- uint32_t stream_id = static_cast<uint32_t>(state.iterations());
- grpc_chttp2_encode_header(&exec_ctx, &c, stream_id, &b, state.range(0),
- state.range(1), &stats, &outbuf);
- if (!logged_representative_output) {
+ grpc_encode_header_options hopt = {
+ static_cast<uint32_t>(state.iterations()),
+ state.range(0) != 0,
+ Fixture::kEnableTrueBinary,
+ (size_t)state.range(1),
+ &stats,
+ };
+ grpc_chttp2_encode_header(&exec_ctx, &c, &b, &hopt, &outbuf);
+ if (!logged_representative_output && state.iterations() > 3) {
logged_representative_output = true;
for (size_t i = 0; i < outbuf.count; i++) {
char *s = grpc_dump_slice(outbuf.slices[i], GPR_DUMP_HEX);
@@ -122,6 +127,7 @@ namespace hpack_encoder_fixtures {
class EmptyBatch {
public:
+ static constexpr bool kEnableTrueBinary = false;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {};
}
@@ -129,6 +135,7 @@ class EmptyBatch {
class SingleStaticElem {
public:
+ static constexpr bool kEnableTrueBinary = false;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {GRPC_MDELEM_GRPC_ACCEPT_ENCODING_IDENTITY_COMMA_DEFLATE};
}
@@ -136,6 +143,7 @@ class SingleStaticElem {
class SingleInternedElem {
public:
+ static constexpr bool kEnableTrueBinary = false;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {grpc_mdelem_from_slices(
exec_ctx, grpc_slice_intern(grpc_slice_from_static_string("abc")),
@@ -143,9 +151,10 @@ class SingleInternedElem {
}
};
-template <int kLength>
+template <int kLength, bool kTrueBinary>
class SingleInternedBinaryElem {
public:
+ static constexpr bool kEnableTrueBinary = kTrueBinary;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
grpc_slice bytes = MakeBytes();
std::vector<grpc_mdelem> out = {grpc_mdelem_from_slices(
@@ -167,6 +176,7 @@ class SingleInternedBinaryElem {
class SingleInternedKeyElem {
public:
+ static constexpr bool kEnableTrueBinary = false;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {grpc_mdelem_from_slices(
exec_ctx, grpc_slice_intern(grpc_slice_from_static_string("abc")),
@@ -176,6 +186,7 @@ class SingleInternedKeyElem {
class SingleNonInternedElem {
public:
+ static constexpr bool kEnableTrueBinary = false;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {grpc_mdelem_from_slices(exec_ctx,
grpc_slice_from_static_string("abc"),
@@ -183,9 +194,10 @@ class SingleNonInternedElem {
}
};
-template <int kLength>
+template <int kLength, bool kTrueBinary>
class SingleNonInternedBinaryElem {
public:
+ static constexpr bool kEnableTrueBinary = kTrueBinary;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {grpc_mdelem_from_slices(
exec_ctx, grpc_slice_from_static_string("abc-bin"), MakeBytes())};
@@ -203,6 +215,7 @@ class SingleNonInternedBinaryElem {
class RepresentativeClientInitialMetadata {
public:
+ static constexpr bool kEnableTrueBinary = true;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {
GRPC_MDELEM_SCHEME_HTTP, GRPC_MDELEM_METHOD_POST,
@@ -224,6 +237,7 @@ class RepresentativeClientInitialMetadata {
class RepresentativeServerInitialMetadata {
public:
+ static constexpr bool kEnableTrueBinary = true;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {GRPC_MDELEM_STATUS_200,
GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC,
@@ -233,6 +247,7 @@ class RepresentativeServerInitialMetadata {
class RepresentativeServerTrailingMetadata {
public:
+ static constexpr bool kEnableTrueBinary = true;
static std::vector<grpc_mdelem> GetElems(grpc_exec_ctx *exec_ctx) {
return {GRPC_MDELEM_GRPC_STATUS_0};
}
@@ -247,28 +262,67 @@ BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleInternedKeyElem)
->Args({0, 16384});
BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleInternedElem)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleInternedBinaryElem<1>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<1, false>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<3, false>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<10, false>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<31, false>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<100, false>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<1, true>)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleInternedBinaryElem<3>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<3, true>)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleInternedBinaryElem<10>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<10, true>)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleInternedBinaryElem<31>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<31, true>)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleInternedBinaryElem<100>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleInternedBinaryElem<100, true>)
->Args({0, 16384});
BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleNonInternedElem)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleNonInternedBinaryElem<1>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<1, false>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<3, false>)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleNonInternedBinaryElem<3>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<10, false>)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleNonInternedBinaryElem<10>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<31, false>)
->Args({0, 16384});
-BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleNonInternedBinaryElem<31>)
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<100, false>)
->Args({0, 16384});
BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
- SingleNonInternedBinaryElem<100>)
+ SingleNonInternedBinaryElem<1, true>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<3, true>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<10, true>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<31, true>)
+ ->Args({0, 16384});
+BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader,
+ SingleNonInternedBinaryElem<100, true>)
->Args({0, 16384});
// test with a tiny frame size, to highlight continuation costs
BENCHMARK_TEMPLATE(BM_HpackEncoderEncodeHeader, SingleNonInternedElem)
@@ -421,7 +475,27 @@ class NonIndexedElem {
}
};
-class NonIndexedBinaryElem1 {
+template <int kLength, bool kTrueBinary>
+class NonIndexedBinaryElem;
+
+template <int kLength>
+class NonIndexedBinaryElem<kLength, true> {
+ public:
+ static std::vector<grpc_slice> GetInitSlices() { return {}; }
+ static std::vector<grpc_slice> GetBenchmarkSlices() {
+ std::vector<uint8_t> v = {
+ 0x00, 0x07, 'a', 'b', 'c',
+ '-', 'b', 'i', 'n', static_cast<uint8_t>(kLength + 1),
+ 0};
+ for (int i = 0; i < kLength; i++) {
+ v.push_back(static_cast<uint8_t>(i));
+ }
+ return {MakeSlice(v)};
+ }
+};
+
+template <>
+class NonIndexedBinaryElem<1, false> {
public:
static std::vector<grpc_slice> GetInitSlices() { return {}; }
static std::vector<grpc_slice> GetBenchmarkSlices() {
@@ -430,7 +504,8 @@ class NonIndexedBinaryElem1 {
}
};
-class NonIndexedBinaryElem3 {
+template <>
+class NonIndexedBinaryElem<3, false> {
public:
static std::vector<grpc_slice> GetInitSlices() { return {}; }
static std::vector<grpc_slice> GetBenchmarkSlices() {
@@ -439,7 +514,8 @@ class NonIndexedBinaryElem3 {
}
};
-class NonIndexedBinaryElem10 {
+template <>
+class NonIndexedBinaryElem<10, false> {
public:
static std::vector<grpc_slice> GetInitSlices() { return {}; }
static std::vector<grpc_slice> GetBenchmarkSlices() {
@@ -449,7 +525,8 @@ class NonIndexedBinaryElem10 {
}
};
-class NonIndexedBinaryElem31 {
+template <>
+class NonIndexedBinaryElem<31, false> {
public:
static std::vector<grpc_slice> GetInitSlices() { return {}; }
static std::vector<grpc_slice> GetBenchmarkSlices() {
@@ -461,7 +538,8 @@ class NonIndexedBinaryElem31 {
}
};
-class NonIndexedBinaryElem100 {
+template <>
+class NonIndexedBinaryElem<100, false> {
public:
static std::vector<grpc_slice> GetInitSlices() { return {}; }
static std::vector<grpc_slice> GetBenchmarkSlices() {
@@ -570,11 +648,16 @@ BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, IndexedSingleInternedElem);
BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, AddIndexedSingleInternedElem);
BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, KeyIndexedSingleInternedElem);
BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedElem);
-BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem1);
-BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem3);
-BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem10);
-BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem31);
-BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem100);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<1, false>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<3, false>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<10, false>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<31, false>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<100, false>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<1, true>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<3, true>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<10, true>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<31, true>);
+BENCHMARK_TEMPLATE(BM_HpackParserParseHeader, NonIndexedBinaryElem<100, true>);
BENCHMARK_TEMPLATE(BM_HpackParserParseHeader,
RepresentativeClientInitialMetadata);
BENCHMARK_TEMPLATE(BM_HpackParserParseHeader,
@@ -584,23 +667,4 @@ BENCHMARK_TEMPLATE(BM_HpackParserParseHeader,
} // namespace hpack_parser_fixtures
-static void BM_Base16SomeStuff(benchmark::State &state) {
- uint8_t *bytes = new uint8_t[state.range(0)];
- for (int i = 0; i < state.range(0); i++) {
- bytes[i] = static_cast<uint8_t>(rand());
- }
- uint8_t *encoded = new uint8_t[state.range(0) * 2];
- static const uint8_t hex[] = "0123456789abcdef";
- while (state.KeepRunning()) {
- for (int i = 0; i < state.range(0); i++) {
- encoded[2 * i + 0] = hex[encoded[i] >> 8];
- encoded[2 * i + 1] = hex[encoded[i] & 0xf];
- }
- }
- delete[] encoded;
- delete[] bytes;
- state.SetBytesProcessed(state.iterations() * state.range(0));
-}
-BENCHMARK(BM_Base16SomeStuff)->Range(1, 4096);
-
BENCHMARK_MAIN();
diff --git a/tools/codegen/core/gen_settings_ids.py b/tools/codegen/core/gen_settings_ids.py
new file mode 100755
index 0000000000..cfc2c5d0a4
--- /dev/null
+++ b/tools/codegen/core/gen_settings_ids.py
@@ -0,0 +1,182 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2017, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import collections
+import perfection
+import sys
+
+_MAX_HEADER_LIST_SIZE = 16 * 1024 * 1024
+
+Setting = collections.namedtuple('Setting', 'id default min max on_error')
+OnError = collections.namedtuple('OnError', 'behavior code')
+clamp_invalid_value = OnError('CLAMP_INVALID_VALUE', 'PROTOCOL_ERROR')
+disconnect_on_invalid_value = lambda e: OnError('DISCONNECT_ON_INVALID_VALUE', e)
+DecoratedSetting = collections.namedtuple('DecoratedSetting', 'enum name setting')
+
+_SETTINGS = {
+ 'HEADER_TABLE_SIZE': Setting(1, 4096, 0, 0xffffffff, clamp_invalid_value),
+ 'ENABLE_PUSH': Setting(2, 1, 0, 1, disconnect_on_invalid_value('PROTOCOL_ERROR')),
+ 'MAX_CONCURRENT_STREAMS': Setting(3, 0xffffffff, 0, 0xffffffff, disconnect_on_invalid_value('PROTOCOL_ERROR')),
+ 'INITIAL_WINDOW_SIZE': Setting(4, 65535, 0, 0x7fffffff, disconnect_on_invalid_value('FLOW_CONTROL_ERROR')),
+ 'MAX_FRAME_SIZE': Setting(5, 16384, 16384, 16777215, disconnect_on_invalid_value('PROTOCOL_ERROR')),
+ 'MAX_HEADER_LIST_SIZE': Setting(6, _MAX_HEADER_LIST_SIZE, 0, _MAX_HEADER_LIST_SIZE, clamp_invalid_value),
+ 'GRPC_ALLOW_TRUE_BINARY_METADATA': Setting(0xfe03, 0, 0, 1, clamp_invalid_value),
+}
+
+H = open('src/core/ext/transport/chttp2/transport/http2_settings.h', 'w')
+C = open('src/core/ext/transport/chttp2/transport/http2_settings.c', 'w')
+
+# utility: print a big comment block into a set of files
+def put_banner(files, banner):
+ for f in files:
+ print >>f, '/*'
+ for line in banner:
+ print >>f, ' * %s' % line
+ print >>f, ' */'
+ print >>f
+
+# copy-paste copyright notice from this file
+with open(sys.argv[0]) as my_source:
+ copyright = []
+ for line in my_source:
+ if line[0] != '#': break
+ for line in my_source:
+ if line[0] == '#':
+ copyright.append(line)
+ break
+ for line in my_source:
+ if line[0] != '#':
+ break
+ copyright.append(line)
+ put_banner([H,C], [line[2:].rstrip() for line in copyright])
+
+put_banner([H,C], ["Automatically generated by tools/codegen/core/gen_settings_ids.py"])
+
+print >>H, "#ifndef SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_SETTINGS_H"
+print >>H, "#define SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_SETTINGS_H"
+print >>H
+print >>H, "#include <stdint.h>"
+print >>H, "#include <stdbool.h>"
+print >>H
+
+print >>C, "#include \"src/core/ext/transport/chttp2/transport/http2_settings.h\""
+print >>C
+print >>C, "#include <grpc/support/useful.h>"
+print >>C, "#include \"src/core/lib/transport/http2_errors.h\""
+print >>C
+
+p = perfection.hash_parameters(sorted(x.id for x in _SETTINGS.values()))
+print p
+
+def hash(i):
+ i += p.offset
+ x = i % p.t
+ y = i / p.t
+ return x + p.r[y]
+
+decorated_settings = [DecoratedSetting(hash(setting.id), name, setting)
+ for name, setting in _SETTINGS.iteritems()]
+
+print >>H, 'typedef enum {'
+for decorated_setting in sorted(decorated_settings):
+ print >>H, ' GRPC_CHTTP2_SETTINGS_%s = %d, /* wire id %d */' % (
+ decorated_setting.name, decorated_setting.enum, decorated_setting.setting.id)
+print >>H, '} grpc_chttp2_setting_id;'
+print >>H
+print >>H, '#define GRPC_CHTTP2_NUM_SETTINGS %d' % (max(x.enum for x in decorated_settings) + 1)
+
+print >>H, 'extern const uint16_t grpc_setting_id_to_wire_id[];'
+print >>C, 'const uint16_t grpc_setting_id_to_wire_id[] = {%s};' % ','.join(
+ '%d' % s for s in p.slots)
+print >>H
+print >>H, "bool grpc_wire_id_to_setting_id(uint32_t wire_id, grpc_chttp2_setting_id *out);"
+cgargs = {
+ 'r': ','.join('%d' % (r if r is not None else 0) for r in p.r),
+ 't': p.t,
+ 'offset': abs(p.offset),
+ 'offset_sign': '+' if p.offset > 0 else '-'
+ }
+print >>C, """
+bool grpc_wire_id_to_setting_id(uint32_t wire_id, grpc_chttp2_setting_id *out) {
+ uint32_t i = wire_id %(offset_sign)s %(offset)d;
+ uint32_t x = i %% %(t)d;
+ uint32_t y = i / %(t)d;
+ uint32_t h = x;
+ switch (y) {
+""" % cgargs
+for i, r in enumerate(p.r):
+ if not r: continue
+ if r < 0: print >>C, 'case %d: h -= %d; break;' % (i, -r)
+ else: print >>C, 'case %d: h += %d; break;' % (i, r)
+print >>C, """
+ }
+ *out = (grpc_chttp2_setting_id)h;
+ return h < GPR_ARRAY_SIZE(grpc_setting_id_to_wire_id) && grpc_setting_id_to_wire_id[h] == wire_id;
+}""" % cgargs
+
+print >>H, """
+typedef enum {
+ GRPC_CHTTP2_CLAMP_INVALID_VALUE,
+ GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE
+} grpc_chttp2_invalid_value_behavior;
+
+typedef struct {
+ const char *name;
+ uint32_t default_value;
+ uint32_t min_value;
+ uint32_t max_value;
+ grpc_chttp2_invalid_value_behavior invalid_value_behavior;
+ uint32_t error_value;
+} grpc_chttp2_setting_parameters;
+"""
+print >>H, "extern const grpc_chttp2_setting_parameters grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS];"
+print >>C, "const grpc_chttp2_setting_parameters grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS] = {"
+i = 0
+for decorated_setting in sorted(decorated_settings):
+ while i < decorated_setting.enum:
+ print >>C, "{NULL, 0, 0, 0, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},"
+ i += 1
+ print >>C, "{\"%s\", %du, %du, %du, GRPC_CHTTP2_%s, GRPC_HTTP2_%s}," % (
+ decorated_setting.name,
+ decorated_setting.setting.default,
+ decorated_setting.setting.min,
+ decorated_setting.setting.max,
+ decorated_setting.setting.on_error.behavior,
+ decorated_setting.setting.on_error.code,
+ )
+ i += 1
+print >>C, "};"
+
+print >>H
+print >>H, "#endif /* SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_SETTINGS_H */"
+
+H.close()
+C.close()
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 6903a0e5d5..c01bcd6738 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1005,6 +1005,8 @@ src/core/ext/transport/chttp2/transport/hpack_parser.c \
src/core/ext/transport/chttp2/transport/hpack_parser.h \
src/core/ext/transport/chttp2/transport/hpack_table.c \
src/core/ext/transport/chttp2/transport/hpack_table.h \
+src/core/ext/transport/chttp2/transport/http2_settings.c \
+src/core/ext/transport/chttp2/transport/http2_settings.h \
src/core/ext/transport/chttp2/transport/huffsyms.c \
src/core/ext/transport/chttp2/transport/huffsyms.h \
src/core/ext/transport/chttp2/transport/incoming_metadata.c \
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index ae5120d87c..337703e188 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -8324,6 +8324,7 @@
"src/core/ext/transport/chttp2/transport/hpack_encoder.h",
"src/core/ext/transport/chttp2/transport/hpack_parser.h",
"src/core/ext/transport/chttp2/transport/hpack_table.h",
+ "src/core/ext/transport/chttp2/transport/http2_settings.h",
"src/core/ext/transport/chttp2/transport/huffsyms.h",
"src/core/ext/transport/chttp2/transport/incoming_metadata.h",
"src/core/ext/transport/chttp2/transport/internal.h",
@@ -8360,6 +8361,8 @@
"src/core/ext/transport/chttp2/transport/hpack_parser.h",
"src/core/ext/transport/chttp2/transport/hpack_table.c",
"src/core/ext/transport/chttp2/transport/hpack_table.h",
+ "src/core/ext/transport/chttp2/transport/http2_settings.c",
+ "src/core/ext/transport/chttp2/transport/http2_settings.h",
"src/core/ext/transport/chttp2/transport/huffsyms.c",
"src/core/ext/transport/chttp2/transport/huffsyms.h",
"src/core/ext/transport/chttp2/transport/incoming_metadata.c",
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 948af2f29e..3b3a08082a 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -423,6 +423,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_encoder.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_parser.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\internal.h" />
@@ -782,6 +783,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index d43b0e3f83..1274bbd916 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -418,6 +418,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.c">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.c">
+ <Filter>src\core\ext\transport\chttp2\transport</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.c">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClCompile>
@@ -1166,6 +1169,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.h">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.h">
+ <Filter>src\core\ext\transport\chttp2\transport</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.h">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 8799359bb7..e1f8eb7c17 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -413,6 +413,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_encoder.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_parser.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\internal.h" />
@@ -752,6 +753,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index cf2def4ff6..c244e86053 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -424,6 +424,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.c">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.c">
+ <Filter>src\core\ext\transport\chttp2\transport</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.c">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClCompile>
@@ -1079,6 +1082,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.h">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_settings.h">
+ <Filter>src\core\ext\transport\chttp2\transport</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.h">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClInclude>