src/core/lib/client_config/subchannel_factory.h

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#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
#define GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H

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

typedef struct grpc_subchannel_factory grpc_subchannel_factory;
typedef struct grpc_subchannel_factory_vtable grpc_subchannel_factory_vtable;

/** Constructor for new configured channels.
    Creating decorators around this type is encouraged to adapt behavior. */
struct grpc_subchannel_factory {
  const grpc_subchannel_factory_vtable *vtable;
};

struct grpc_subchannel_factory_vtable {
  void (*ref)(grpc_subchannel_factory *factory);
  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory);
  grpc_subchannel *(*create_subchannel)(grpc_exec_ctx *exec_ctx,
                                        grpc_subchannel_factory *factory,
                                        grpc_subchannel_args *args);
};

void grpc_subchannel_factory_ref(grpc_subchannel_factory *factory);
void grpc_subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
                                   grpc_subchannel_factory *factory);

/** Create a new grpc_subchannel */
grpc_subchannel *grpc_subchannel_factory_create_subchannel(
    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
    grpc_subchannel_args *args);

#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */