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-rw-r--r--src/core/transport/byte_stream.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/core/transport/byte_stream.c b/src/core/transport/byte_stream.c
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+++ b/src/core/transport/byte_stream.c
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+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/transport/byte_stream.h"
+
+#include <stdlib.h>
+
+#include <grpc/support/log.h>
+
+int grpc_byte_stream_next(grpc_exec_ctx *exec_ctx,
+ grpc_byte_stream *byte_stream, gpr_slice *slice,
+ size_t max_size_hint, grpc_closure *on_complete) {
+ return byte_stream->next(exec_ctx, byte_stream, slice, max_size_hint,
+ on_complete);
+}
+
+void grpc_byte_stream_destroy(grpc_byte_stream *byte_stream) {
+ byte_stream->destroy(byte_stream);
+}
+
+/* slice_buffer_stream */
+
+static int slice_buffer_stream_next(grpc_exec_ctx *exec_ctx,
+ grpc_byte_stream *byte_stream,
+ gpr_slice *slice, size_t max_size_hint,
+ grpc_closure *on_complete) {
+ grpc_slice_buffer_stream *stream = (grpc_slice_buffer_stream *)byte_stream;
+ GPR_ASSERT(stream->cursor < stream->backing_buffer->count);
+ *slice = gpr_slice_ref(stream->backing_buffer->slices[stream->cursor]);
+ stream->cursor++;
+ return 1;
+}
+
+static void slice_buffer_stream_destroy(grpc_byte_stream *byte_stream) {}
+
+void grpc_slice_buffer_stream_init(grpc_slice_buffer_stream *stream,
+ gpr_slice_buffer *slice_buffer,
+ gpr_uint32 flags) {
+ GPR_ASSERT(slice_buffer->length <= GPR_UINT32_MAX);
+ stream->base.length = (gpr_uint32)slice_buffer->length;
+ stream->base.flags = flags;
+ stream->base.next = slice_buffer_stream_next;
+ stream->base.destroy = slice_buffer_stream_destroy;
+ stream->backing_buffer = slice_buffer;
+ stream->cursor = 0;
+}