Initial checkin of gRPC to third_party/

third_party/grpc/src/core/transport/transport_impl.h

Index: third_party/grpc/src/core/transport/transport_impl.h
diff --git a/third_party/grpc/src/core/transport/transport_impl.h b/third_party/grpc/src/core/transport/transport_impl.h
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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.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H
+#define GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H
+
+#include "src/core/transport/transport.h"
+
+typedef struct grpc_transport_vtable {
+  /* Memory required for a single stream element - this is allocated by upper
+     layers and initialized by the transport */
+  size_t sizeof_stream; /* = sizeof(transport stream) */
+
+  /* implementation of grpc_transport_init_stream */
+  int (*init_stream)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+                     grpc_stream *stream, grpc_stream_refcount *refcount,
+                     const void *server_data);
+
+  /* implementation of grpc_transport_set_pollset */
+  void (*set_pollset)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+                      grpc_stream *stream, grpc_pollset *pollset);
+
+  /* implementation of grpc_transport_perform_stream_op */
+  void (*perform_stream_op)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+                            grpc_stream *stream, grpc_transport_stream_op *op);
+
+  /* implementation of grpc_transport_perform_op */
+  void (*perform_op)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+                     grpc_transport_op *op);
+
+  /* implementation of grpc_transport_destroy_stream */
+  void (*destroy_stream)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+                         grpc_stream *stream);
+
+  /* implementation of grpc_transport_destroy */
+  void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_transport *self);
+
+  /* implementation of grpc_transport_get_peer */
+  char *(*get_peer)(grpc_exec_ctx *exec_ctx, grpc_transport *self);
+} grpc_transport_vtable;
+
+/* an instance of a grpc transport */
+struct grpc_transport {
+  /* pointer to a vtable defining operations on this transport */
+  const grpc_transport_vtable *vtable;
+};
+
+#endif /* GRPC_INTERNAL_CORE_TRANSPORT_TRANSPORT_IMPL_H */