third_party/grpc/src/core/channel/client_channel.h

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#ifndef GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H
#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H

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

/* A client channel is a channel that begins disconnected, and can connect
   to some endpoint on demand. If that endpoint disconnects, it will be
   connected to again later.

   Calls on a disconnected client channel are queued until a connection is
   established. */

extern const grpc_channel_filter grpc_client_channel_filter;

/* post-construction initializer to let the client channel know which
   transport setup it should cancel upon destruction, or initiate when it needs
   a connection */
void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,
                                      grpc_channel_stack *channel_stack,
                                      grpc_resolver *resolver);

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

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

#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_CHANNEL_H */