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-rw-r--r--src/core/lib/compression/compression.cc28
-rw-r--r--src/core/lib/compression/compression_internal.cc54
-rw-r--r--src/core/lib/compression/compression_internal.h34
-rw-r--r--src/core/lib/surface/channel.cc8
4 files changed, 24 insertions, 100 deletions
diff --git a/src/core/lib/compression/compression.cc b/src/core/lib/compression/compression.cc
index 88fb37ffe2..a5b123b4e2 100644
--- a/src/core/lib/compression/compression.cc
+++ b/src/core/lib/compression/compression.cc
@@ -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(
- &algo,
- grpc_message_compression_algorithm_for_level(
- grpc_compression_level_to_message_compression_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))));
+ } 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(
+ level,
+ grpc_compression_bitset_to_message_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);
diff --git a/src/core/lib/compression/compression_internal.cc b/src/core/lib/compression/compression_internal.cc
index 8352ad255e..263cdf06eb 100644
--- a/src/core/lib/compression/compression_internal.cc
+++ b/src/core/lib/compression/compression_internal.cc
@@ -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)) {
diff --git a/src/core/lib/compression/compression_internal.h b/src/core/lib/compression/compression_internal.h
index 4279d4f697..72f01dd1b7 100644
--- a/src/core/lib/compression/compression_internal.h
+++ b/src/core/lib/compression/compression_internal.h
@@ -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);
diff --git a/src/core/lib/surface/channel.cc b/src/core/lib/surface/channel.cc
index 826006f9b6..0936f9251b 100644
--- a/src/core/lib/surface/channel.cc
+++ b/src/core/lib/surface/channel.cc
@@ -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)) {