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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_RESULT_H
#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_RESULT_H
#include <stdbool.h>
#include "src/core/ext/client_config/lb_policy.h"
#include "src/core/lib/iomgr/resolve_address.h"
/** Used to represent addresses returned by the resolver. */
typedef struct grpc_address {
grpc_resolved_address address;
bool is_balancer;
} grpc_address;
typedef struct grpc_addresses {
size_t num_addresses;
grpc_address *addresses;
} grpc_addresses;
/** Returns a grpc_addresses struct with enough space for
\a num_addresses addresses. */
grpc_addresses *grpc_addresses_create(size_t num_addresses);
grpc_addresses *grpc_addresses_copy(grpc_addresses* addresses);
void grpc_addresses_set_address(grpc_addresses *addresses, size_t index,
void *address, size_t address_len,
bool is_balancer);
void grpc_addresses_destroy(grpc_addresses *addresses);
/** Per-method configuration. */
typedef struct grpc_method_config grpc_method_config;
/** Any parameter may be NULL to indicate that the value is unset. */
grpc_method_config *grpc_method_config_create(
bool *wait_for_ready, gpr_timespec *timeout,
int32_t *max_request_message_bytes, int32_t *max_response_message_bytes);
grpc_method_config *grpc_method_config_ref(grpc_method_config *method_config);
void grpc_method_config_unref(grpc_method_config *method_config);
/** These methods return NULL if the requested field is unset.
The caller does NOT take ownership of the result. */
bool *grpc_method_config_get_wait_for_ready(
grpc_method_config *method_config);
gpr_timespec* grpc_method_config_get_timeout(grpc_method_config *method_config);
int32_t* grpc_method_config_get_max_request_message_bytes(
grpc_method_config *method_config);
int32_t* grpc_method_config_get_max_response_message_bytes(
grpc_method_config *method_config);
/** Results reported from a grpc_resolver. */
typedef struct grpc_resolver_result grpc_resolver_result;
/** Takes ownership of \a addresses. */
grpc_resolver_result *grpc_resolver_result_create(grpc_addresses *addresses,
const char *lb_policy_name);
void grpc_resolver_result_ref(grpc_resolver_result *result);
void grpc_resolver_result_unref(grpc_exec_ctx *exec_ctx,
grpc_resolver_result *result);
/** Caller does NOT take ownership of result. */
grpc_addresses *grpc_resolver_result_get_addresses(
grpc_resolver_result *result);
/** Caller does NOT take ownership of result. */
const char *grpc_resolver_result_get_lb_policy_name(
grpc_resolver_result *result);
/** Adds a method config. \a paths indicates the set of path names
for which this config applies. Each name is of one of the following
forms:
service/method -- specifies exact service and method name
service/\* -- matches all methods for the specified service
* -- matches all methods for all services
Takes new references to all elements of \a paths and to \a method_config. */
void grpc_resolver_result_add_method_config(
grpc_resolver_result *result, grpc_mdstr **paths, size_t num_paths,
grpc_method_config *method_config);
/** Returns NULL if the method has no config.
Caller does NOT take ownership of result. */
grpc_method_config *grpc_resolver_result_get_method_config(
grpc_resolver_result *result, grpc_mdstr *path);
#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_RESULT_H */
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