Initial import.

1 files changed, 80 insertions, 0 deletions

diff --git a/src/core/transport/transport_impl.h b/src/core/transport/transport_impl.h
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+++ b/src/core/transport/transport_impl.h
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+/*
+ *
+ * Copyright 2014, 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_TRANSPORT_TRANSPORT_IMPL_H__
+#define __GRPC_INTERNAL_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_transport *self, grpc_stream *stream,
+                     const void *server_data);
+
+  /* implementation of grpc_transport_send_batch */
+  void (*send_batch)(grpc_transport *self, grpc_stream *stream,
+                     grpc_stream_op *ops, size_t ops_count, int is_last);
+
+  /* implementation of grpc_transport_set_allow_window_updates */
+  void (*set_allow_window_updates)(grpc_transport *self, grpc_stream *stream,
+                                   int allow);
+
+  /* implementation of grpc_transport_destroy_stream */
+  void (*destroy_stream)(grpc_transport *self, grpc_stream *stream);
+
+  /* implementation of grpc_transport_abort_stream */
+  void (*abort_stream)(grpc_transport *self, grpc_stream *stream,
+                       grpc_status_code status);
+
+  /* implementation of grpc_transport_close */
+  void (*close)(grpc_transport *self);
+
+  /* implementation of grpc_transport_ping */
+  void (*ping)(grpc_transport *self, void (*cb)(void *user_data),
+               void *user_data);
+
+  /* implementation of grpc_transport_destroy */
+  void (*destroy)(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_TRANSPORT_TRANSPORT_IMPL_H__ */