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-rw-r--r--src/core/compression/algorithm.c46
1 files changed, 38 insertions, 8 deletions
diff --git a/src/core/compression/algorithm.c b/src/core/compression/algorithm.c
index 4db48df6cb..e426241d0a 100644
--- a/src/core/compression/algorithm.c
+++ b/src/core/compression/algorithm.c
@@ -32,21 +32,39 @@
*/
#include <stdlib.h>
+#include <string.h>
#include <grpc/compression.h>
-const char *grpc_compression_algorithm_name(
- grpc_compression_algorithm algorithm) {
+int grpc_compression_algorithm_parse(const char* name,
+ grpc_compression_algorithm *algorithm) {
+ if (strcmp(name, "none") == 0) {
+ *algorithm = GRPC_COMPRESS_NONE;
+ } else if (strcmp(name, "gzip") == 0) {
+ *algorithm = GRPC_COMPRESS_GZIP;
+ } else if (strcmp(name, "deflate") == 0) {
+ *algorithm = GRPC_COMPRESS_DEFLATE;
+ } else {
+ return 0;
+ }
+ return 1;
+}
+
+int grpc_compression_algorithm_name(grpc_compression_algorithm algorithm,
+ char **name) {
switch (algorithm) {
case GRPC_COMPRESS_NONE:
- return "none";
+ *name = "none";
+ break;
case GRPC_COMPRESS_DEFLATE:
- return "deflate";
+ *name = "deflate";
+ break;
case GRPC_COMPRESS_GZIP:
- return "gzip";
- case GRPC_COMPRESS_ALGORITHMS_COUNT:
- return "error";
+ *name = "gzip";
+ break;
+ default:
+ return 0;
}
- return "error";
+ return 1;
}
/* TODO(dgq): Add the ability to specify parameters to the individual
@@ -65,3 +83,15 @@ grpc_compression_algorithm grpc_compression_algorithm_for_level(
abort();
}
}
+
+grpc_compression_level grpc_compression_level_for_algorithm(
+ grpc_compression_algorithm algorithm) {
+ grpc_compression_level clevel;
+ for (clevel = GRPC_COMPRESS_LEVEL_NONE; clevel < GRPC_COMPRESS_LEVEL_COUNT;
+ ++clevel) {
+ if (grpc_compression_algorithm_for_level(clevel) == algorithm) {
+ return clevel;
+ }
+ }
+ abort();
+}