src/core/channel/child_channel.h

/*
 *
 * Copyright 2015, Google Inc.
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#ifndef GRPC_INTERNAL_CORE_CHANNEL_CHILD_CHANNEL_H
#define GRPC_INTERNAL_CORE_CHANNEL_CHILD_CHANNEL_H

#include "src/core/channel/channel_stack.h"

/* helper for filters that need to host child channel stacks... handles
   lifetime and upwards propagation cleanly */

extern const grpc_channel_filter grpc_child_channel_top_filter;

typedef grpc_channel_stack grpc_child_channel;
typedef grpc_call_stack grpc_child_call;

/* filters[0] must be &grpc_child_channel_top_filter */
grpc_child_channel *grpc_child_channel_create(
    grpc_channel_element *parent, const grpc_channel_filter **filters,
    size_t filter_count, const grpc_channel_args *args,
    grpc_mdctx *metadata_context);
void grpc_child_channel_handle_op(grpc_child_channel *channel,
                                  grpc_channel_op *op);
grpc_channel_element *grpc_child_channel_get_bottom_element(
    grpc_child_channel *channel);
void grpc_child_channel_destroy(grpc_child_channel *channel,
                                int wait_for_callbacks);

grpc_child_call *grpc_child_channel_create_call(grpc_child_channel *channel,
                                                grpc_call_element *parent);
grpc_call_element *grpc_child_call_get_top_element(grpc_child_call *call);
void grpc_child_call_destroy(grpc_child_call *call);

#endif  /* GRPC_INTERNAL_CORE_CHANNEL_CHILD_CHANNEL_H */