Components that could be used with utils::DaemonMain like functions; see Component system for an intro.
Collaboration diagram for Components:Nested Groups | |
| HTTP Handlers | |
| Handlers are components that could be used by components::Server to process the incoming requests. | |
| Component Default Names | |
| Default names of components that are used in static config files. | |
| Http server middlewares | |
| Base classes for implementing and configuring http server middlewares. | |
Classes | |
| class | alerts::StorageComponent |
| Component that keeps an alert::Storage storage for fired alerts. More... | |
| class | alerts::Handler |
| Handler that returns the list of active fired alerts. More... | |
| class | baggage::BaggageManagerComponent |
| Component for relationship with header baggage. More... | |
| class | components::CachingComponentBase< T > |
| Base class for caching components. More... | |
| class | cache::LruCacheComponent< Key, Value, Hash, Equal > |
| Base class for LRU-cache components. More... | |
| class | clients::dns::Component |
| Caching DNS resolver component. More... | |
| class | components::HttpClient |
| Component that manages clients::http::Client. More... | |
| class | components::DumpConfigurator |
| Helper component that manages common configuration for userver dumps. More... | |
| class | components::FsCache |
| Component for storing files in memory. More... | |
| class | components::HeadersPropagatorComponent |
| Headers Propagator Component can scrape configured headers and then enrich HttpClient request with them. More... | |
| class | components::LoggingConfigurator |
| Helper component to configure logging. More... | |
| class | components::ManagerControllerComponent |
| Component that prepares the engine internals and starts all the other components. More... | |
| class | components::ProcessStarter |
| Component for getting the engine::subprocess::ProcessStarter. More... | |
| class | components::SingleThreadedTaskProcessors |
| Component that starts multiple single threaded task processors. More... | |
| class | components::StatisticsStorage |
| Component that keeps a utils::statistics::Storage storage for metrics. More... | |
| class | components::TcpAcceptorBase |
| Component for accepting incoming TCP connections. More... | |
| class | congestion_control::Component |
| Component to limit too active requests, also known as CC. More... | |
| class | components::DynamicConfigClient |
| Component that starts a clients::dynamic_config::Client client. More... | |
| class | components::DynamicConfig |
| Component that stores the dynamic config. More... | |
| class | components::DynamicConfigClientUpdater |
| Component that does a periodic update of runtime configs. More... | |
| class | engine::TaskProcessorsLoadMonitor |
| Component to monitor CPU usage for every TaskProcessor present in the service, and dump per-thread stats into metrics. More... | |
| class | components::Logging |
| Logging component More... | |
| class | os_signals::ProcessorComponent |
| A component for os_signals::Processor. More... | |
| class | components::Server |
| Component that listens for incoming requests, manages incoming connections and passes the requests to the appropriate handler. More... | |
| class | components::AuthCheckerSettings |
| Component that loads auth configuration settings from a components::Secdist component if the latter was registered in components::ComponentList. More... | |
| class | server::handlers::DnsClientControl |
| Handlers that controls the DNS client. More... | |
| class | server::handlers::DynamicDebugLog |
| Handler for forcing specific lines logging. Feature also known as dynamic debug logging. More... | |
| class | server::handlers::HttpHandlerBase |
| Base class for all the Userver HTTP Handlers. More... | |
| class | server::handlers::HttpHandlerFlatbufBase< InputType, ReturnType > |
| Convenient base for handlers that accept requests with body in Flatbuffer format and respond with body in Flatbuffer format. More... | |
| class | server::handlers::HttpHandlerJsonBase |
| Convenient base for handlers that accept requests with body in JSON format and respond with body in JSON format. More... | |
| class | server::handlers::HttpHandlerStatic |
| Handler that returns HTTP 200 if file exist and returns file data with mapped content/type. More... | |
| class | server::handlers::ImplicitOptions |
| A "magical" handler that will respond to OPTIONS HTTP method for any other handler that cannot handle OPTIONS itself. More... | |
| class | server::handlers::InspectRequests |
| Handler that returns information about all in-flight requests. More... | |
| class | server::handlers::Jemalloc |
| Handler that controls the jemalloc allocator. More... | |
| class | server::handlers::LogLevel |
| Handler that controls logging levels of all the loggers. More... | |
| class | server::handlers::OnLogRotate |
| Handler that controls logging levels of all the loggers. More... | |
| class | server::handlers::Ping |
| Handler that returns HTTP 200 if the service is OK and able to process requests. More... | |
| class | server::handlers::ServerMonitor |
| Handler that returns statistics data. More... | |
| class | server::handlers::TestsControl |
| Handler that allows to control the behavior of server from tests, and functional tests with testsuite in particular. More... | |
| class | server::websocket::WebsocketHandlerBase |
| Base class for WebSocket handler. More... | |
| class | components::Secdist |
| Component that stores security related data (keys, passwords, ...). More... | |
| class | components::DefaultSecdistProvider |
| Component that stores security related data (keys, passwords, ...). More... | |
| class | components::TestsuiteSupport |
| Testsuite support component. More... | |
| class | components::Tracer |
| Component that initializes the request tracing facilities. More... | |
| class | tracing::DefaultTracingManagerLocator |
| Component that provides access to the actual TracingManager that is used in handlers and clients. More... | |
| class | components::SystemStatisticsCollector |
| Component for system resource usage statistics collection. More... | |
| class | components::MongoCache< MongoCacheTraits > |
| Base class for all caches polling mongo collection More... | |
| class | components::Mongo |
| MongoDB client component. More... | |
| class | components::MultiMongo |
| Dynamically configurable MongoDB client component. More... | |
| class | storages::mongo::DistLockComponentBase |
| Base class for mongo-based distlock worker components. More... | |
| class | components::PostgreCache< PostgreCachePolicy > |
| Caching component for PostgreSQL. See Caching Component for PostgreSQL. More... | |
| class | components::Postgres |
| PosgreSQL client component. More... | |
| class | storages::postgres::DistLockComponentBase |
| Base class for postgres-based distlock worker components. More... | |
| class | components::Redis |
| Redis client component. More... | |
| class | components::ClickHouse |
| ClickHouse client component. More... | |
| class | ugrpc::client::ClientFactoryComponent |
| Provides a ClientFactory in the component system. More... | |
| class | ugrpc::client::middlewares::baggage::Component |
| Component for gRPC client baggage. More... | |
| class | ugrpc::client::middlewares::deadline_propagation::Component |
| Component for gRPC client deadline_propagation. Update deadline from TaskInheritedData if it exists and more strict than context deadline. More... | |
| class | ugrpc::client::middlewares::log::Component |
| Component for gRPC client logging. More... | |
| class | ugrpc::client::SimpleClientComponent< Client > |
| Template class for a simple gRPC client. More... | |
| class | ugrpc::server::middlewares::baggage::Component |
| Component for gRPC server baggage. More... | |
| class | ugrpc::server::middlewares::congestion_control::Component |
| Component for gRPC server logging. More... | |
| class | ugrpc::server::middlewares::deadline_propagation::Component |
| Component for gRPC server deadline propagation. More... | |
| class | ugrpc::server::middlewares::log::Component |
| Component for gRPC server logging. More... | |
| class | ugrpc::server::ServerComponent |
| Component that configures and manages the gRPC server. More... | |
| class | ugrpc::server::ServiceComponentBase |
| Base class for all the gRPC service components. More... | |
| class | kafka::ConsumerComponent |
| Apache Kafka Consumer client component. More... | |
| class | kafka::ProducerComponent |
| Apache Kafka Producer client component. More... | |
| class | components::RabbitMQ |
| RabbitMQ (AMQP 0.9.1) client component. More... | |
| class | storages::mysql::Component |
| MySQL/MariaDB client component. More... | |
| class | ydb::YdbComponent |
| YDB client component. More... | |
| class | ydb::DistLockComponentBase |
| Base class for YDB-based distlock worker components. More... | |
Functions | |
| ComponentList | components::CommonComponentList () |
| Returns the most common list of components with runtime config updates and HTTP client. | |
| ComponentList | components::CommonServerComponentList () |
| Returns the most common list of components to start a fully functional server. | |
| ComponentList | components::MinimalComponentList () |
| Returns a list of components to do basic logging, component initialization and configuration. | |
| ComponentList | components::MinimalServerComponentList () |
| Returns a list of components to start a basic HTTP server. | |
| ComponentList components::CommonComponentList | ( | ) |
Returns the most common list of components with runtime config updates and HTTP client.
The list contains:
| ComponentList components::CommonServerComponentList | ( | ) |
Returns the most common list of components to start a fully functional server.
The list contains:
| ComponentList components::MinimalComponentList | ( | ) |
Returns a list of components to do basic logging, component initialization and configuration.
The list contains:
| ComponentList components::MinimalServerComponentList | ( | ) |
Returns a list of components to start a basic HTTP server.
The list contains:
