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/*
*
* Copyright 2015 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/byte_buffer.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "src/core/lib/slice/slice_internal.h"
grpc_byte_buffer *grpc_raw_byte_buffer_create(grpc_slice *slices,
size_t nslices) {
return grpc_raw_compressed_byte_buffer_create(slices, nslices,
GRPC_COMPRESS_NONE);
}
grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create(
grpc_slice *slices, size_t nslices,
grpc_compression_algorithm compression) {
size_t i;
grpc_byte_buffer *bb =
(grpc_byte_buffer *)gpr_malloc(sizeof(grpc_byte_buffer));
bb->type = GRPC_BB_RAW;
bb->data.raw.compression = compression;
grpc_slice_buffer_init(&bb->data.raw.slice_buffer);
for (i = 0; i < nslices; i++) {
grpc_slice_ref_internal(slices[i]);
grpc_slice_buffer_add(&bb->data.raw.slice_buffer, slices[i]);
}
return bb;
}
grpc_byte_buffer *grpc_raw_byte_buffer_from_reader(
grpc_byte_buffer_reader *reader) {
grpc_byte_buffer *bb =
(grpc_byte_buffer *)gpr_malloc(sizeof(grpc_byte_buffer));
grpc_slice slice;
bb->type = GRPC_BB_RAW;
bb->data.raw.compression = GRPC_COMPRESS_NONE;
grpc_slice_buffer_init(&bb->data.raw.slice_buffer);
while (grpc_byte_buffer_reader_next(reader, &slice)) {
grpc_slice_buffer_add(&bb->data.raw.slice_buffer, slice);
}
return bb;
}
grpc_byte_buffer *grpc_byte_buffer_copy(grpc_byte_buffer *bb) {
switch (bb->type) {
case GRPC_BB_RAW:
return grpc_raw_compressed_byte_buffer_create(
bb->data.raw.slice_buffer.slices, bb->data.raw.slice_buffer.count,
bb->data.raw.compression);
}
GPR_UNREACHABLE_CODE(return NULL);
}
void grpc_byte_buffer_destroy(grpc_byte_buffer *bb) {
if (!bb) return;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
switch (bb->type) {
case GRPC_BB_RAW:
grpc_slice_buffer_destroy_internal(&exec_ctx, &bb->data.raw.slice_buffer);
break;
}
gpr_free(bb);
grpc_exec_ctx_finish(&exec_ctx);
}
size_t grpc_byte_buffer_length(grpc_byte_buffer *bb) {
switch (bb->type) {
case GRPC_BB_RAW:
return bb->data.raw.slice_buffer.length;
}
GPR_UNREACHABLE_CODE(return 0);
}
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