/* * * Copyright 2017, 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_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H #define GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H #include "src/core/ext/client_channel/lb_policy_factory.h" #include "src/core/lib/slice/slice_hash_table.h" /** Create the channel used for communicating with an LB service. * Note that an LB *service* may be comprised of several LB *servers*. * * \a lb_service_target_addresses is the target URI containing the addresses * from resolving the LB service's name (eg, ipv4:10.0.0.1:1234,10.2.3.4:9876). * \a client_channel_factory will be used for the creation of the LB channel, * alongside the channel args passed in \a args. */ grpc_channel *grpc_lb_policy_grpclb_create_lb_channel( grpc_exec_ctx *exec_ctx, const char *lb_service_target_addresses, grpc_client_channel_factory *client_channel_factory, grpc_channel_args *args); grpc_channel_args *get_lb_channel_args(grpc_exec_ctx *exec_ctx, grpc_slice_hash_table *targets_info, const grpc_channel_args *args); #endif /* GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H */