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Do not separate message/stream compression levels

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reviewable/pr12708/r1
Muxi Yan 7 years ago
parent c7499e88fd
commit 9c02a3cca1
9 changed files with 35 additions and 139 deletions
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  1. 4
      include/grpc/compression.h
  2. 9
      include/grpc/impl/codegen/compression_types.h
  3. 22
      src/core/lib/compression/compression.cc
  4. 54
      src/core/lib/compression/compression_internal.cc
  5. 34
      src/core/lib/compression/compression_internal.h
  6. 8
      src/core/lib/surface/channel.cc
  7. 12
      src/ruby/ext/grpc/rb_compression_options.c
  8. 2
      test/core/end2end/tests/compressed_payload.cc
  9. 23
      test/core/end2end/tests/stream_compression_compressed_payload.cc

4
include/grpc/compression.h
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@ -50,9 +50,7 @@ GRPCAPI int grpc_compression_algorithm_name(
grpc_compression_algorithm algorithm, const char** name);
/** Returns the compression algorithm corresponding to \a level for the
* compression algorithms encoded in the \a accepted_encodings bitset.
*
* It abort()s for unknown levels. */
* compression algorithms encoded in the \a accepted_encodings bitset.*/
GRPCAPI grpc_compression_algorithm grpc_compression_algorithm_for_level(
grpc_compression_level level, uint32_t accepted_encodings);

9
include/grpc/impl/codegen/compression_types.h
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@ -68,12 +68,9 @@ typedef enum {
* compression algorithms. */
typedef enum {
GRPC_COMPRESS_LEVEL_NONE = 0,
GRPC_COMPRESS_LEVEL_MESSAGE_LOW,
GRPC_COMPRESS_LEVEL_MESSAGE_MED,
GRPC_COMPRESS_LEVEL_MESSAGE_HIGH,
GRPC_COMPRESS_LEVEL_STREAM_LOW,
GRPC_COMPRESS_LEVEL_STREAM_MED,
GRPC_COMPRESS_LEVEL_STREAM_HIGH,
GRPC_COMPRESS_LEVEL_LOW,
GRPC_COMPRESS_LEVEL_MED,
GRPC_COMPRESS_LEVEL_HIGH,
GRPC_COMPRESS_LEVEL_COUNT
} grpc_compression_level;

22
src/core/lib/compression/compression.cc
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@ -87,22 +87,18 @@ grpc_compression_algorithm grpc_compression_algorithm_for_level(
grpc_compression_algorithm algo;
if (level == GRPC_COMPRESS_LEVEL_NONE) {
return GRPC_COMPRESS_NONE;
} else if (level <= GRPC_COMPRESS_LEVEL_MESSAGE_HIGH) {
GPR_ASSERT(
grpc_compression_algorithm_from_message_stream_compression_algorithm(
} else if (level <= GRPC_COMPRESS_LEVEL_HIGH) {
// TODO(mxyan): Design algorithm to select from all algorithms, including
// stream compression algorithm
if (!grpc_compression_algorithm_from_message_stream_compression_algorithm(
&algo,
grpc_message_compression_algorithm_for_level(
grpc_compression_level_to_message_compression_level(level),
level,
grpc_compression_bitset_to_message_bitset(accepted_encodings)),
(grpc_stream_compression_algorithm)0));
return algo;
} else if (level <= GRPC_COMPRESS_LEVEL_STREAM_HIGH) {
GPR_ASSERT(
grpc_compression_algorithm_from_message_stream_compression_algorithm(
&algo, (grpc_message_compression_algorithm)0,
grpc_stream_compression_algorithm_for_level(
grpc_compression_level_to_stream_compression_level(level),
grpc_compression_bitset_to_stream_bitset(accepted_encodings))));
static_cast<grpc_stream_compression_algorithm>(0))){
gpr_log(GPR_ERROR, "Parse compression level error");
return GRPC_COMPRESS_NONE;
}
return algo;
} else {
gpr_log(GPR_ERROR, "Unknown compression level: %d", level);

54
src/core/lib/compression/compression_internal.cc
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@ -76,29 +76,6 @@ grpc_mdelem grpc_stream_compression_encoding_mdelem(
/* Interfaces performing transformation between compression algorithms and
* levels. */
grpc_message_compression_level
grpc_compression_level_to_message_compression_level(
grpc_compression_level level) {
if (level >= GRPC_COMPRESS_LEVEL_COUNT) {
return GRPC_MESSAGE_COMPRESS_LEVEL_NONE;
}
return (grpc_message_compression_level)(
(uint32_t)(level - GRPC_COMPRESS_LEVEL_NONE) +
(uint32_t)GRPC_MESSAGE_COMPRESS_LEVEL_NONE);
}
grpc_stream_compression_level
grpc_compression_level_to_stream_compression_level(
grpc_compression_level level) {
if (level >= GRPC_COMPRESS_LEVEL_COUNT) {
return GRPC_STREAM_COMPRESS_LEVEL_NONE;
}
return (grpc_stream_compression_level)(
(uint32_t)(level - (GRPC_MESSAGE_COMPRESS_LEVEL_COUNT - 1) -
GRPC_COMPRESS_LEVEL_NONE) +
(uint32_t)GRPC_STREAM_COMPRESS_LEVEL_NONE);
}
grpc_message_compression_algorithm
grpc_compression_algorithm_to_message_compression_algorithm(
grpc_compression_algorithm algo) {
@ -209,17 +186,17 @@ int grpc_message_compression_algorithm_name(
/* TODO(dgq): Add the ability to specify parameters to the individual
* compression algorithms */
grpc_message_compression_algorithm grpc_message_compression_algorithm_for_level(
grpc_message_compression_level level, uint32_t accepted_encodings) {
grpc_compression_level level, uint32_t accepted_encodings) {
GRPC_API_TRACE("grpc_message_compression_algorithm_for_level(level=%d)", 1,
((int)level));
if (level > GRPC_MESSAGE_COMPRESS_LEVEL_HIGH) {
if (level > GRPC_COMPRESS_LEVEL_HIGH) {
gpr_log(GPR_ERROR, "Unknown message compression level %d.", (int)level);
abort();
}
const size_t num_supported =
GPR_BITCOUNT(accepted_encodings) - 1; /* discard NONE */
if (level == GRPC_MESSAGE_COMPRESS_LEVEL_NONE || num_supported == 0) {
if (level == GRPC_COMPRESS_LEVEL_NONE || num_supported == 0) {
return GRPC_MESSAGE_COMPRESS_NONE;
}
@ -249,13 +226,13 @@ grpc_message_compression_algorithm grpc_message_compression_algorithm_for_level(
}
switch (level) {
case GRPC_MESSAGE_COMPRESS_LEVEL_NONE:
case GRPC_COMPRESS_LEVEL_NONE:
abort(); /* should have been handled already */
case GRPC_MESSAGE_COMPRESS_LEVEL_LOW:
case GRPC_COMPRESS_LEVEL_LOW:
return sorted_supported_algos[0];
case GRPC_MESSAGE_COMPRESS_LEVEL_MED:
case GRPC_COMPRESS_LEVEL_MED:
return sorted_supported_algos[num_supported / 2];
case GRPC_MESSAGE_COMPRESS_LEVEL_HIGH:
case GRPC_COMPRESS_LEVEL_HIGH:
return sorted_supported_algos[num_supported - 1];
default:
abort();
@ -281,23 +258,6 @@ int grpc_message_compression_algorithm_parse(
/* Interfaces for stream compression. */
grpc_stream_compression_algorithm grpc_stream_compression_algorithm_for_level(
grpc_stream_compression_level level, uint32_t accepted_encodings) {
GRPC_API_TRACE("grpc_stream_compression_algorithm_for_level(level=%d)", 1,
((int)level));
if (level > GRPC_STREAM_COMPRESS_LEVEL_HIGH) {
gpr_log(GPR_ERROR, "Unknown stream compression level %d.", (int)level);
abort();
}
/* TODO(mxyan): Use more sophisticated scheme when more algorithms added. */
if (level != GRPC_STREAM_COMPRESS_LEVEL_NONE &&
GPR_BITGET(accepted_encodings, GRPC_STREAM_COMPRESS_GZIP)) {
return GRPC_STREAM_COMPRESS_GZIP;
}
return GRPC_STREAM_COMPRESS_NONE;
}
int grpc_stream_compression_algorithm_parse(
grpc_slice value, grpc_stream_compression_algorithm* algorithm) {
if (grpc_slice_eq(value, GRPC_MDSTR_IDENTITY)) {

34
src/core/lib/compression/compression_internal.h
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@ -40,38 +40,9 @@ typedef enum {
GRPC_STREAM_COMPRESS_ALGORITHMS_COUNT
} grpc_stream_compression_algorithm;
/** Compression levels allow a party with knowledge of its peer's accepted
* encodings to request compression in an abstract way. The level-algorithm
* mapping is performed internally and depends on the peer's supported
* compression algorithms. */
typedef enum {
GRPC_MESSAGE_COMPRESS_LEVEL_NONE = 0,
GRPC_MESSAGE_COMPRESS_LEVEL_LOW,
GRPC_MESSAGE_COMPRESS_LEVEL_MED,
GRPC_MESSAGE_COMPRESS_LEVEL_HIGH,
GRPC_MESSAGE_COMPRESS_LEVEL_COUNT
} grpc_message_compression_level;
/** Compression levels for stream compression algorithms */
typedef enum {
GRPC_STREAM_COMPRESS_LEVEL_NONE = 0,
GRPC_STREAM_COMPRESS_LEVEL_LOW,
GRPC_STREAM_COMPRESS_LEVEL_MED,
GRPC_STREAM_COMPRESS_LEVEL_HIGH,
GRPC_STREAM_COMPRESS_LEVEL_COUNT
} grpc_stream_compression_level;
/* Interfaces performing transformation between compression algorithms and
* levels. */
grpc_message_compression_level
grpc_compression_level_to_message_compression_level(
grpc_compression_level level);
grpc_stream_compression_level
grpc_compression_level_to_stream_compression_level(
grpc_compression_level level);
grpc_message_compression_algorithm
grpc_compression_algorithm_to_message_compression_algorithm(
grpc_compression_algorithm algo);
@ -98,16 +69,13 @@ int grpc_message_compression_algorithm_name(
grpc_message_compression_algorithm algorithm, const char** name);
grpc_message_compression_algorithm grpc_message_compression_algorithm_for_level(
grpc_message_compression_level level, uint32_t accepted_encodings);
grpc_compression_level level, uint32_t accepted_encodings);
int grpc_message_compression_algorithm_parse(
grpc_slice value, grpc_message_compression_algorithm* algorithm);
/* Interfaces for stream compression. */
grpc_stream_compression_algorithm grpc_stream_compression_algorithm_for_level(
grpc_stream_compression_level level, uint32_t accepted_encodings);
int grpc_stream_compression_algorithm_parse(
grpc_slice value, grpc_stream_compression_algorithm* algorithm);

8
src/core/lib/surface/channel.cc
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@ -143,17 +143,17 @@ grpc_channel* grpc_channel_create_with_builder(
GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL)) {
channel->compression_options.default_level.is_set = true;
channel->compression_options.default_level.level =
(grpc_compression_level)grpc_channel_arg_get_integer(
static_cast<grpc_compression_level>(grpc_channel_arg_get_integer(
&args->args[i],
{GRPC_COMPRESS_LEVEL_NONE, GRPC_COMPRESS_LEVEL_NONE,
GRPC_COMPRESS_LEVEL_COUNT - 1});
GRPC_COMPRESS_LEVEL_COUNT - 1}));
} else if (0 == strcmp(args->args[i].key,
GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM)) {
channel->compression_options.default_algorithm.is_set = true;
channel->compression_options.default_algorithm.algorithm =
(grpc_compression_algorithm)grpc_channel_arg_get_integer(
static_cast<grpc_compression_algorithm>(grpc_channel_arg_get_integer(
&args->args[i], {GRPC_COMPRESS_NONE, GRPC_COMPRESS_NONE,
GRPC_COMPRESS_ALGORITHMS_COUNT - 1});
GRPC_COMPRESS_ALGORITHMS_COUNT - 1}));
} else if (0 ==
strcmp(args->args[i].key,
GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET)) {

12
src/ruby/ext/grpc/rb_compression_options.c
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@ -128,11 +128,11 @@ grpc_compression_level grpc_rb_compression_options_level_name_to_value_internal(
if (id_compress_level_none == SYM2ID(level_name)) {
return GRPC_COMPRESS_LEVEL_NONE;
} else if (id_compress_level_low == SYM2ID(level_name)) {
return GRPC_COMPRESS_LEVEL_MESSAGE_LOW;
return GRPC_COMPRESS_LEVEL_LOW;
} else if (id_compress_level_medium == SYM2ID(level_name)) {
return GRPC_COMPRESS_LEVEL_MESSAGE_MED;
return GRPC_COMPRESS_LEVEL_MED;
} else if (id_compress_level_high == SYM2ID(level_name)) {
return GRPC_COMPRESS_LEVEL_MESSAGE_HIGH;
return GRPC_COMPRESS_LEVEL_HIGH;
}
rb_raise(rb_eArgError,
@ -265,11 +265,11 @@ VALUE grpc_rb_compression_options_level_value_to_name_internal(
switch (compression_value) {
case GRPC_COMPRESS_LEVEL_NONE:
return ID2SYM(id_compress_level_none);
case GRPC_COMPRESS_LEVEL_MESSAGE_LOW:
case GRPC_COMPRESS_LEVEL_LOW:
return ID2SYM(id_compress_level_low);
case GRPC_COMPRESS_LEVEL_MESSAGE_MED:
case GRPC_COMPRESS_LEVEL_MED:
return ID2SYM(id_compress_level_medium);
case GRPC_COMPRESS_LEVEL_MESSAGE_HIGH:
case GRPC_COMPRESS_LEVEL_HIGH:
return ID2SYM(id_compress_level_high);
default:
rb_raise(

2
test/core/end2end/tests/compressed_payload.cc
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@ -591,7 +591,7 @@ static void test_invoke_request_with_server_level(
request_with_payload_template(
config, "test_invoke_request_with_server_level", 0, GRPC_COMPRESS_NONE,
GRPC_COMPRESS_NONE, GRPC_COMPRESS_NONE, GRPC_COMPRESS_NONE /* ignored */,
nullptr, true, GRPC_COMPRESS_LEVEL_MESSAGE_HIGH, false);
nullptr, true, GRPC_COMPRESS_LEVEL_HIGH, false);
}
static void test_invoke_request_with_compressed_payload_md_override(

23
test/core/end2end/tests/stream_compression_compressed_payload.cc
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@ -569,15 +569,6 @@ static void test_invoke_request_with_send_message_before_initial_metadata(
GRPC_COMPRESS_LEVEL_NONE, true, false, GRPC_COMPRESS_NONE);
}
static void test_invoke_request_with_server_level(
grpc_end2end_test_config config) {
request_with_payload_template(
config, "test_invoke_request_with_server_level", 0, GRPC_COMPRESS_NONE,
GRPC_COMPRESS_NONE, GRPC_COMPRESS_NONE, GRPC_COMPRESS_STREAM_GZIP,
/* ignored */ nullptr, true, GRPC_COMPRESS_LEVEL_STREAM_HIGH, false,
false, GRPC_COMPRESS_NONE);
}
static void test_invoke_request_with_compressed_payload_md_override(
grpc_end2end_test_config config) {
grpc_metadata gzip_compression_override;
@ -620,25 +611,11 @@ static void test_invoke_request_with_disabled_algorithm(
GRPC_STATUS_UNIMPLEMENTED, nullptr);
}
static void test_stream_compression_override_message_compression(
grpc_end2end_test_config config) {
grpc_compression_level level = GRPC_COMPRESS_LEVEL_STREAM_MED;
request_with_payload_template(
config, "test_stream_compression_override_message_compression", 0,
GRPC_COMPRESS_NONE, GRPC_COMPRESS_NONE, GRPC_COMPRESS_NONE,
grpc_compression_algorithm_for_level(
level, (1u << GRPC_COMPRESS_ALGORITHMS_COUNT) - 1),
/* ignored */ nullptr, true, level, false, true,
GRPC_COMPRESS_MESSAGE_GZIP);
}
void stream_compression_compressed_payload(grpc_end2end_test_config config) {
test_invoke_request_with_compressed_payload(config);
test_invoke_request_with_send_message_before_initial_metadata(config);
test_invoke_request_with_server_level(config);
test_invoke_request_with_compressed_payload_md_override(config);
test_invoke_request_with_disabled_algorithm(config);
test_stream_compression_override_message_compression(config);
}
void stream_compression_compressed_payload_pre_init(void) {}

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