Components that could be used with utils::DaemonMain like functions; see Component system for an intro.
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 | easy::DependenciesComponent< Dependencies > |
Factory component for the dependencies from easy library. More... | |
class | components::HttpClient |
Component that manages clients::http::Client. More... | |
class | clients::dns::Component |
Caching DNS resolver component. More... | |
class | server::handlers::HttpHandlerBase |
Base class for all the Userver HTTP Handlers. More... | |
class | server::handlers::Ping |
Handler that returns HTTP 200 if the service is OK and able to process requests. 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 | components::Postgres |
PosgreSQL client component. More... | |
class | components::TestsuiteSupport |
Testsuite support component. More... | |
class | congestion_control::Component |
Component to limit too active requests, also known as CC. 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 | components::Secdist |
Component that stores security related data (keys, passwords, ...). More... | |
class | components::DefaultSecdistProvider |
Component that stores security related data (keys, passwords, ...). More... | |
class | ugrpc::server::ServiceComponentBase |
Base class for all the gRPC service components. More... | |
class | ugrpc::server::ServerComponent |
Component that configures and manages the gRPC server. More... | |
class | alerts::StorageComponent |
Component that keeps an alerts::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 | components::DumpConfigurator |
Helper component that manages common configuration for userver dumps. More... | |
class | components::FsCache |
Component for storing files in memory. 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 | 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::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::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::Restart |
Handler that stops the service. It is expected that an external system (e.g. systemd or supervisord) restarts the service afterwards. More... | |
class | server::handlers::ServerMonitor |
Handler that returns statistics data. More... | |
class | server::websocket::WebsocketHandlerBase |
Base class for WebSocket handler. 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 | 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::CommonComponent |
Contains common machinery that's required for all ugrpc clients. More... | |
class | ugrpc::client::MiddlewarePipelineComponent |
Component to create middlewares pipeline. 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::MiddlewarePipelineComponent |
Component to create middlewares pipeline. More... | |
class | ugrpc::server::middlewares::congestion_control::Component |
Component for gRPC server logging. More... | |
class | ugrpc::server::middlewares::headers_propagator::Component |
Component for gRPC server headers_propagator. More... | |
class | ugrpc::server::middlewares::log::Component |
Component for gRPC server logging. 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::CredentialsProviderComponent |
Credentials provider component for creating custom credentials provider factory. More... | |
class | ydb::DistLockComponentBase |
Base class for YDB-based distlock worker components. More... | |
class | otlp::LoggerComponent |
Component to configure logging via OTLP collector. More... | |
Typedefs | |
using | ugrpc::client::middlewares::baggage::Component = SimpleMiddlewareFactoryComponent<Middleware> |
Component for gRPC client baggage. | |
template<typename Middleware > | |
using | ugrpc::client::SimpleMiddlewareFactoryComponent |
The alias for a short-cut client factory. | |
using | ugrpc::client::middlewares::deadline_propagation::Component = SimpleMiddlewareFactoryComponent<Middleware> |
Component for gRPC client deadline_propagation. Update deadline from TaskInheritedData if it exists and more strict than context deadline. | |
template<typename Middleware > | |
using | ugrpc::server::SimpleMiddlewareFactoryComponent |
The alias for a short-cut server middleware factory. | |
Functions | |
ComponentList | components::MinimalServerComponentList () |
Returns a list of components to start a basic HTTP server. | |
components::ComponentList | ugrpc::server::MinimalComponentList () |
Returns a list of components to do a minimal grpc server configuration. | |
components::ComponentList | ugrpc::server::DefaultComponentList () |
Returns a list of components to do a default grpc server configuration. | |
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. | |
components::ComponentList | ugrpc::client::MinimalComponentList () |
Returns a list of components to do a minimal grpc client configuration. | |
components::ComponentList | ugrpc::client::DefaultComponentList () |
Returns a list of components to do a default grpc client configuration. | |
Component for gRPC client baggage.
The component does not have any options for service config.
Definition at line 27 of file component.hpp.
using ugrpc::client::middlewares::deadline_propagation::Component = SimpleMiddlewareFactoryComponent<Middleware> |
Component for gRPC client deadline_propagation. Update deadline from TaskInheritedData if it exists and more strict than context deadline.
The component does not have any options for service config.
Definition at line 31 of file component.hpp.
using ugrpc::client::SimpleMiddlewareFactoryComponent |
The alias for a short-cut client factory.
Name | Description | Default value |
---|---|---|
enabled | the flag to enable/disable middleware in the pipeline | true |
using ugrpc::server::SimpleMiddlewareFactoryComponent |
The alias for a short-cut server middleware factory.
Name | Description | Default value |
---|---|---|
enabled | the flag to enable/disable middleware in the pipeline | true |
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:
components::ComponentList ugrpc::client::DefaultComponentList | ( | ) |
Returns a list of components to do a default grpc client configuration.
The list contains:
components::ComponentList ugrpc::server::DefaultComponentList | ( | ) |
Returns a list of components to do a default grpc server configuration.
The list contains:
ComponentList components::MinimalComponentList | ( | ) |
Returns a list of components to do basic logging, component initialization and configuration.
The list contains:
components::ComponentList ugrpc::client::MinimalComponentList | ( | ) |
Returns a list of components to do a minimal grpc client configuration.
The list contains:
components::ComponentList ugrpc::server::MinimalComponentList | ( | ) |
Returns a list of components to do a minimal grpc server configuration.
The list contains:
ComponentList components::MinimalServerComponentList | ( | ) |
Returns a list of components to start a basic HTTP server.
The list contains: