userver: engine::io Namespace Reference
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engine::io Namespace Reference

Detailed Description

Low-level asynchronous I/O interfaces.

Classes

class  AddrException
 Socket address-related exceptions. More...
 
class  BufferedReader
 Wrapper for buffered input. More...
 
class  FdPoller
 Low-level poller that can wait for read, write, and read/write operations on a file descriptor. It does not provide read/write operations. More...
 
class  IoCancelled
 
struct  IoData
 IoData for vector send. More...
 
class  IoException
 Generic I/O error. More...
 
class  IoInterrupted
 I/O interruption. More...
 
class  IoSystemError
 Operating system I/O error. More...
 
class  IoTimeout
 I/O timeout. More...
 
class  Pipe
 Unidirectional pipe representation. More...
 
class  PipeReader
 Reading end of an unidirectional pipe. More...
 
class  PipeWriter
 Writing end of an unidirectional pipe. More...
 
class  Poller
 I/O event monitor. More...
 
class  ReadableBase
 
class  RwBase
 
class  Sockaddr
 Native socket address wrapper. More...
 
class  Socket
 Socket representation. More...
 
class  TerminatorNotFoundException
 
class  TlsException
 TLS I/O error. More...
 
class  TlsWrapper
 
class  WritableBase
 

Typedefs

using ReadableBasePtr = std::shared_ptr<ReadableBase>
 

Enumerations

enum class  AddrDomain {
  kUnspecified = AF_UNSPEC ,
  kInet = AF_INET ,
  kInet6 = AF_INET6 ,
  kUnix = AF_UNIX
}
 Communication domain. More...
 
enum class  SocketType {
  kStream = SOCK_STREAM ,
  kDgram = SOCK_DGRAM ,
  kTcp = kStream ,
  kUdp = kDgram
}
 Socket type. More...
 

Functions

logging::LogHelperoperator<< (logging::LogHelper &, const Sockaddr &)
 Outputs human-readable address representation, including port number.
 

Variables

constexpr int kInvalidFd = -1
 File descriptor of an invalid pipe end.
 

Typedef Documentation

◆ ReadableBasePtr

using engine::io::ReadableBasePtr = std::shared_ptr<ReadableBase>

Definition at line 107 of file common.hpp.

Enumeration Type Documentation

◆ AddrDomain

enum class engine::io::AddrDomain
strong

Communication domain.

Enumerator
kUnspecified 

Unspecified.

kInet 

IPv4.

kInet6 

IPv6.

kUnix 

Unix socket.

Definition at line 30 of file sockaddr.hpp.

◆ SocketType

enum class engine::io::SocketType
strong

Socket type.

Enumerator
kStream 

Stream socket (e.g. TCP)

kDgram 

Datagram socket (e.g. UDP)

Definition at line 23 of file socket.hpp.

Variable Documentation

◆ kInvalidFd

constexpr int engine::io::kInvalidFd = -1
inlineconstexpr

File descriptor of an invalid pipe end.

Definition at line 20 of file common.hpp.