Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / lib / compression / stream_compression.cc

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/compression/stream_compression.cc b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/compression/stream_compression.cc
new file mode 100644 (file)
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+++ b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/compression/stream_compression.cc
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+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/support/log.h>
+
+#include "src/core/lib/compression/stream_compression.h"
+#include "src/core/lib/compression/stream_compression_gzip.h"
+#include "src/core/lib/slice/slice_utils.h"
+
+extern const grpc_stream_compression_vtable
+    grpc_stream_compression_identity_vtable;
+
+bool grpc_stream_compress(grpc_stream_compression_context* ctx,
+                          grpc_slice_buffer* in, grpc_slice_buffer* out,
+                          size_t* output_size, size_t max_output_size,
+                          grpc_stream_compression_flush flush) {
+  return ctx->vtable->compress(ctx, in, out, output_size, max_output_size,
+                               flush);
+}
+
+bool grpc_stream_decompress(grpc_stream_compression_context* ctx,
+                            grpc_slice_buffer* in, grpc_slice_buffer* out,
+                            size_t* output_size, size_t max_output_size,
+                            bool* end_of_context) {
+  return ctx->vtable->decompress(ctx, in, out, output_size, max_output_size,
+                                 end_of_context);
+}
+
+grpc_stream_compression_context* grpc_stream_compression_context_create(
+    grpc_stream_compression_method method) {
+  switch (method) {
+    case GRPC_STREAM_COMPRESSION_IDENTITY_COMPRESS:
+    case GRPC_STREAM_COMPRESSION_IDENTITY_DECOMPRESS:
+      return grpc_stream_compression_identity_vtable.context_create(method);
+    case GRPC_STREAM_COMPRESSION_GZIP_COMPRESS:
+    case GRPC_STREAM_COMPRESSION_GZIP_DECOMPRESS:
+      return grpc_stream_compression_gzip_vtable.context_create(method);
+    default:
+      gpr_log(GPR_ERROR, "Unknown stream compression method: %d", method);
+      return nullptr;
+  }
+}
+
+void grpc_stream_compression_context_destroy(
+    grpc_stream_compression_context* ctx) {
+  ctx->vtable->context_destroy(ctx);
+}
+
+int grpc_stream_compression_method_parse(
+    grpc_slice value, bool is_compress,
+    grpc_stream_compression_method* method) {
+  if (grpc_slice_eq_static_interned(value, GRPC_MDSTR_IDENTITY)) {
+    *method = is_compress ? GRPC_STREAM_COMPRESSION_IDENTITY_COMPRESS
+                          : GRPC_STREAM_COMPRESSION_IDENTITY_DECOMPRESS;
+    return 1;
+  } else if (grpc_slice_eq_static_interned(value, GRPC_MDSTR_GZIP)) {
+    *method = is_compress ? GRPC_STREAM_COMPRESSION_GZIP_COMPRESS
+                          : GRPC_STREAM_COMPRESSION_GZIP_DECOMPRESS;
+    return 1;
+  } else {
+    return 0;
+  }
+}