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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_CHANNEL_CLIENT_SETUP_H__
+#define __GRPC_INTERNAL_CHANNEL_CLIENT_SETUP_H__
+
+#include "src/core/channel/client_channel.h"
+#include "src/core/eventmanager/em.h"
+#include "src/core/transport/metadata.h"
+#include <grpc/support/time.h>
+
+/* Convenience API's to simplify transport setup */
+
+typedef struct grpc_client_setup grpc_client_setup;
+typedef struct grpc_client_setup_request grpc_client_setup_request;
+
+void grpc_client_setup_create_and_attach(
+ grpc_channel_stack *newly_minted_channel, const grpc_channel_args *args,
+ grpc_mdctx *mdctx,
+ void (*initiate)(void *user_data, grpc_client_setup_request *request),
+ void (*done)(void *user_data), void *user_data, grpc_em *em);
+
+/* Check that r is the active request: needs to be performed at each callback.
+ If this races, we'll have two connection attempts running at once and the
+ old one will get cleaned up in due course, which is fine. */
+int grpc_client_setup_request_should_continue(grpc_client_setup_request *r);
+void grpc_client_setup_request_finish(grpc_client_setup_request *r,
+ int was_successful);
+const grpc_channel_args *grpc_client_setup_get_channel_args(
+ grpc_client_setup_request *r);
+
+/* Get the deadline for a request passed in to initiate. Implementations should
+ make a best effort to honor this deadline. */
+gpr_timespec grpc_client_setup_request_deadline(grpc_client_setup_request *r);
+
+grpc_mdctx *grpc_client_setup_get_mdctx(grpc_client_setup_request *r);
+
+#endif /* __GRPC_INTERNAL_CHANNEL_CLIENT_SETUP_H__ */