Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / src / core / ext / filters / client_channel / lb_policy / grpclb / load_balancer_api.h

diff --git a/legacy-libs/grpc/deps/grpc/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h b/legacy-libs/grpc/deps/grpc/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h
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+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
+#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/slice_buffer.h>
+
+#include "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/proto/grpc/lb/v1/load_balancer.upb.h"
+
+#define GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH 128
+#define GRPC_GRPCLB_SERVER_IP_ADDRESS_MAX_SIZE 16
+#define GRPC_GRPCLB_SERVER_LOAD_BALANCE_TOKEN_MAX_SIZE 50
+
+namespace grpc_core {
+
+typedef grpc_lb_v1_LoadBalanceRequest grpc_grpclb_request;
+typedef grpc_lb_v1_LoadBalanceResponse grpc_grpclb_response;
+typedef grpc_lb_v1_InitialLoadBalanceResponse grpc_grpclb_initial_response;
+typedef google_protobuf_Duration grpc_grpclb_duration;
+typedef google_protobuf_Timestamp grpc_grpclb_timestamp;
+
+typedef struct {
+  int32_t size;
+  char data[GRPC_GRPCLB_SERVER_IP_ADDRESS_MAX_SIZE];
+} grpc_grpclb_server_ip_address;
+
+// Contains server information. When the drop field is not true, use the other
+// fields.
+typedef struct {
+  grpc_grpclb_server_ip_address ip_address;
+  int32_t port;
+  char load_balance_token[GRPC_GRPCLB_SERVER_LOAD_BALANCE_TOKEN_MAX_SIZE];
+  bool drop;
+} grpc_grpclb_server;
+
+typedef struct {
+  grpc_grpclb_server** servers;
+  size_t num_servers;
+} grpc_grpclb_serverlist;
+
+/**
+ * Create a request for a gRPC LB service under \a lb_service_name.
+ * \a lb_service_name should be alive when returned request is being used.
+ */
+grpc_grpclb_request* grpc_grpclb_request_create(const char* lb_service_name,
+                                                upb_arena* arena);
+grpc_grpclb_request* grpc_grpclb_load_report_request_create(
+    grpc_core::GrpcLbClientStats* client_stats, upb_arena* arena);
+
+/** Protocol Buffers v3-encode \a request */
+grpc_slice grpc_grpclb_request_encode(const grpc_grpclb_request* request,
+                                      upb_arena* arena);
+
+/** Parse (ie, decode) the bytes in \a encoded_grpc_grpclb_response as a \a
+ * grpc_grpclb_initial_response */
+const grpc_grpclb_initial_response* grpc_grpclb_initial_response_parse(
+    const grpc_slice& encoded_grpc_grpclb_response, upb_arena* arena);
+
+/** Parse the list of servers from an encoded \a grpc_grpclb_response */
+grpc_grpclb_serverlist* grpc_grpclb_response_parse_serverlist(
+    const grpc_slice& encoded_grpc_grpclb_response);
+
+/** Return a copy of \a sl. The caller is responsible for calling \a
+ * grpc_grpclb_destroy_serverlist on the returned copy. */
+grpc_grpclb_serverlist* grpc_grpclb_serverlist_copy(
+    const grpc_grpclb_serverlist* sl);
+
+bool grpc_grpclb_serverlist_equals(const grpc_grpclb_serverlist* lhs,
+                                   const grpc_grpclb_serverlist* rhs);
+
+bool grpc_grpclb_server_equals(const grpc_grpclb_server* lhs,
+                               const grpc_grpclb_server* rhs);
+
+/** Destroy \a serverlist */
+void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist* serverlist);
+
+grpc_millis grpc_grpclb_duration_to_millis(
+    const grpc_grpclb_duration* duration_pb);
+
+}  // namespace grpc_core
+
+#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H \
+        */