src/core/client_config/subchannel_factory.h

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#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
#define GRPC_INTERNAL_CORE_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;
typedef struct grpc_subchannel_args grpc_subchannel_args;

/** 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_args {
  /** Channel filters for this channel - wrapped factories will likely
      want to mutate this */
  const grpc_channel_filter **filters;
  /** The number of filters in the above array */
  size_t filter_count;
  /** Channel arguments to be supplied to the newly created channel */
  const grpc_channel_args *args;
  /** Address to connect to */
  struct sockaddr *addr;
};

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

void grpc_subchannel_factory_ref(grpc_subchannel_factory *factory);
void grpc_subchannel_factory_unref(grpc_subchannel_factory *factory);

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

#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */