src/core/lib/client_config/resolver_registry.h

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#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_REGISTRY_H
#define GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_REGISTRY_H

#include "src/core/lib/client_config/resolver_factory.h"

void grpc_resolver_registry_init(const char *default_prefix);
void grpc_resolver_registry_shutdown(void);

/** Register a resolver type.
    URI's of \a scheme will be resolved with the given resolver.
    If \a priority is greater than zero, then the resolver will be eligible
    to resolve names that are passed in with no scheme. Higher priority
    resolvers will be tried before lower priority schemes. */
void grpc_register_resolver_type(grpc_resolver_factory *factory);

/** Create a resolver given \a target.
    First tries to parse \a target as a URI. If this succeeds, tries
    to locate a registered resolver factory based on the URI scheme.
    If parsing or location fails, prefixes default_prefix from
    grpc_resolver_registry_init to target, and tries again (if default_prefix
    was not NULL).
    If a resolver factory was found, use it to instantiate a resolver and
    return it.
    If a resolver factory was not found, return NULL. */
grpc_resolver *grpc_resolver_create(
    const char *target, grpc_client_channel_factory *client_channel_factory);

/** Find a resolver factory given a name and return an (owned-by-the-caller)
 *  reference to it */
grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name);

/** Given a target, return a (freshly allocated with gpr_malloc) string
    representing the default authority to pass from a client. */
char *grpc_get_default_authority(const char *target);

#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_REGISTRY_H */