client_factory_settings.hpp

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#pragma once
 
/// @file userver/ugrpc/client/client_factory_settings.hpp
/// @brief @copybrief ugrpc::client::ClientFactorySettings
 
#include <memory>
#include <optional>
#include <string>
#include <unordered_map>
 
#include <grpcpp/security/credentials.h>
#include <grpcpp/support/channel_arguments.h>
 
USERVER_NAMESPACE_BEGIN
 
namespace ugrpc::client {
 
/// Settings relating to the ClientFactory
struct ClientFactorySettings final {
    /// gRPC channel credentials, none by default
    std::shared_ptr<grpc::ChannelCredentials> credentials{grpc::InsecureChannelCredentials()};
 
    /// gRPC channel credentials by client_name. If not set, default `credentials`
    /// is used instead.
    std::unordered_map<std::string, std::shared_ptr<grpc::ChannelCredentials>> client_credentials{};
 
    /// Optional grpc-core channel args
    /// @see https://grpc.github.io/grpc/core/group__grpc__arg__keys.html
    grpc::ChannelArguments channel_args{};
 
    /// service config
    /// @see https://github.com/grpc/grpc/blob/master/doc/service_config.md
    std::optional<std::string> default_service_config;
 
    /// Number of underlying channels that will be created for every client
    /// in this factory.
    std::size_t channel_count{1};
};
 
std::shared_ptr<grpc::ChannelCredentials>
GetClientCredentials(const ClientFactorySettings& client_factory_settings, const std::string& client_name);
 
}  // namespace ugrpc::client
 
USERVER_NAMESPACE_END