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#ifndef GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H

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

#define GRPC_MICROCHANNEL_SUBCHANNEL_ARG "grpc.microchannel_subchannel_key"

/* A client microchannel (aka uchannel) is a channel wrapping a subchannel, for
 * the purposes of lightweight RPC communications from within the core.*/

extern const grpc_channel_filter grpc_client_uchannel_filter;

grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(
    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect);

void grpc_client_uchannel_watch_connectivity_state(
    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
    grpc_connectivity_state *state, grpc_closure *on_complete);

grpc_channel *grpc_client_uchannel_create(grpc_subchannel *subchannel,
                                          grpc_channel_args *args);

void grpc_client_uchannel_set_connected_subchannel(
    grpc_channel *uchannel, grpc_connected_subchannel *connected_subchannel);

#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H */