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Tp::StreamTubeChannel Class Reference
Channel proxies

The StreamTubeChannel class represents a Telepathy channel of type StreamTube. More...

`#include <TelepathyQt/StreamTubeChannel>`

Inherits Tp::TubeChannel.

Inherited by Tp::IncomingStreamTubeChannel, and Tp::OutgoingStreamTubeChannel.

## Signals

void | newConnection (uint connectionId)
void | connectionClosed (uint connectionId, const QString &errorName, const QString &errorMessage)
Signals inherited from Tp::TubeChannel
void | stateChanged (Tp::TubeChannelState state)
Signals inherited from Tp::Channel
void | groupFlagsChanged (Tp::ChannelGroupFlags flags, Tp::ChannelGroupFlags added, Tp::ChannelGroupFlags removed)
void | groupCanAddContactsChanged (bool canAddContacts)
void | groupCanRemoveContactsChanged (bool canRemoveContacts)
void | groupCanRescindContactsChanged (bool canRescindContacts)
void | groupMembersChanged (const Tp::Contacts &groupMembersAdded, const Tp::Contacts &groupLocalPendingMembersAdded, const Tp::Contacts &groupRemotePendingMembersAdded, const Tp::Contacts &groupMembersRemoved, const Tp::Channel::GroupMemberChangeDetails &details)
void | groupHandleOwnersChanged (const Tp::HandleOwnerMap &owners, const Tp::UIntList &added, const Tp::UIntList &removed)
void | groupSelfContactChanged ()
void | conferenceChannelMerged (const Tp::ChannelPtr &channel)
void | conferenceChannelRemoved (const Tp::ChannelPtr &channel, const Tp::Channel::GroupMemberChangeDetails &details)
Signals inherited from Tp::DBusProxy
void | invalidated (Tp::DBusProxy *proxy, const QString &errorName, const QString &errorMessage)
Signals inherited from Tp::Object
void | propertyChanged (const QString &propertyName)

## Public Member Functions

virtual | ~StreamTubeChannel ()
QString | service () const
bool | supportsIPv4SocketsOnLocalhost () const
bool | supportsIPv4SocketsWithSpecifiedAddress () const
bool | supportsIPv6SocketsOnLocalhost () const
bool | supportsIPv6SocketsWithSpecifiedAddress () const
bool | supportsUnixSocketsOnLocalhost () const
bool | supportsUnixSocketsWithCredentials () const
bool | supportsAbstractUnixSocketsOnLocalhost () const
bool | supportsAbstractUnixSocketsWithCredentials () const
QSet< uint > | connections () const
SocketAddressType | addressType () const
QPair< QHostAddress, quint16 > | ipAddress () const
QString | localAddress () const
Public Member Functions inherited from Tp::TubeChannel
virtual | ~TubeChannel ()
TubeChannelState | state () const
QVariantMap | parameters () const
Public Member Functions inherited from Tp::Channel
virtual | ~Channel ()
ConnectionPtr | connection () const
QVariantMap | immutableProperties () const
QString | channelType () const
HandleType | targetHandleType () const
uint | targetHandle () const
QString | targetId () const
ContactPtr | targetContact () const
bool | isRequested () const
ContactPtr | initiatorContact () const
PendingOperation * | requestClose ()
PendingOperation * | requestLeave (const QString &message=QString(), ChannelGroupChangeReason reason=ChannelGroupChangeReasonNone)
bool | isConference () const
Contacts | conferenceInitialInviteeContacts () const
QList< ChannelPtr > | conferenceChannels () const
QList< ChannelPtr > | conferenceInitialChannels () const
QHash< uint, ChannelPtr > | conferenceOriginalChannels () const
bool | supportsConferenceMerging () const
PendingOperation * | conferenceMergeChannel (const ChannelPtr &channel)
bool | supportsConferenceSplitting () const
PendingOperation * | conferenceSplitChannel ()
ChannelGroupFlags | groupFlags () const
bool | groupCanAddContacts () const
bool | groupCanAddContactsWithMessage () const
bool | groupCanAcceptContactsWithMessage () const
PendingOperation * | groupAddContacts (const QList< ContactPtr > &contacts, const QString &message=QString())
bool | groupCanRescindContacts () const
bool | groupCanRescindContactsWithMessage () const
bool | groupCanRemoveContacts () const
bool | groupCanRemoveContactsWithMessage () const
bool | groupCanRejectContactsWithMessage () const
bool | groupCanDepartWithMessage () const
PendingOperation * | groupRemoveContacts (const QList< ContactPtr > &contacts, const QString &message=QString(), ChannelGroupChangeReason reason=ChannelGroupChangeReasonNone)
Contacts | groupContacts (bool includeSelfContact=true) const
Contacts | groupLocalPendingContacts (bool includeSelfContact=true) const
Contacts | groupRemotePendingContacts (bool includeSelfContact=true) const
GroupMemberChangeDetails | groupLocalPendingContactChangeInfo (const ContactPtr &contact) const
GroupMemberChangeDetails | groupSelfContactRemoveInfo () const
bool | groupAreHandleOwnersAvailable () const
HandleOwnerMap | groupHandleOwners () const
bool | groupIsSelfContactTracked () const
ContactPtr | groupSelfContact () const
Public Member Functions inherited from Tp::StatefulDBusProxy
| StatefulDBusProxy (const QDBusConnection &dbusConnection, const QString &busName, const QString &objectPath, const Feature &featureCore)
virtual | ~StatefulDBusProxy ()
Public Member Functions inherited from Tp::DBusProxy
| DBusProxy (const QDBusConnection &dbusConnection, const QString &busName, const QString &objectPath, const Feature &featureCore)
virtual | ~DBusProxy ()
QDBusConnection | dbusConnection () const
QString | busName () const
QString | objectPath () const
bool | isValid () const
QString | invalidationReason () const
QString | invalidationMessage () const
Public Member Functions inherited from Tp::Object
virtual | ~Object ()
Public Member Functions inherited from Tp::RefCounted
| RefCounted ()
virtual | ~RefCounted ()
Public Member Functions inherited from Tp::ReadyObject
| ReadyObject (RefCounted *object, const Feature &featureCore)
| ReadyObject (DBusProxy *proxy, const Feature &featureCore)
virtual | ~ReadyObject ()
virtual bool | isReady (const Features &features=Features()) const
virtual PendingReady * | becomeReady (const Features &requestedFeatures=Features())
virtual Features | requestedFeatures () const
virtual Features | actualFeatures () const
virtual Features | missingFeatures () const
Public Member Functions inherited from Tp::OptionalInterfaceFactory< Channel >
| OptionalInterfaceFactory (Channel *this_)
| ~OptionalInterfaceFactory ()
QStringList | interfaces () const
bool | hasInterface (const QString &name) const
Interface * | optionalInterface (InterfaceSupportedChecking check=CheckInterfaceSupported) const
Interface * | interface () const

## Static Public Member Functions

static StreamTubeChannelPtr | create (const ConnectionPtr &connection, const QString &objectPath, const QVariantMap &immutableProperties)
Static Public Member Functions inherited from Tp::TubeChannel
static TubeChannelPtr | create (const ConnectionPtr &connection, const QString &objectPath, const QVariantMap &immutableProperties)
Static Public Member Functions inherited from Tp::Channel
static ChannelPtr | create (const ConnectionPtr &connection, const QString &objectPath, const QVariantMap &immutableProperties)
Static Public Member Functions inherited from Tp::StatefulDBusProxy
static QString | uniqueNameFrom (const QDBusConnection &bus, const QString &wellKnownOrUnique)
static QString | uniqueNameFrom (const QDBusConnection &bus, const QString &wellKnownOrUnique, QString &error, QString &message)

## Static Public Attributes

static const Feature | FeatureCore
static const Feature | FeatureConnectionMonitoring
Static Public Attributes inherited from Tp::TubeChannel
static const Feature | FeatureCore
Static Public Attributes inherited from Tp::Channel
static const Feature | FeatureCore
static const Feature | FeatureConferenceInitialInviteeContacts

## Protected Member Functions

| StreamTubeChannel (const ConnectionPtr &connection, const QString &objectPath, const QVariantMap &immutableProperties, const Feature &coreFeature=StreamTubeChannel::FeatureCore)
void | addConnection (uint connection)
void | removeConnection (uint connection, const QString &error, const QString &message)
void | setAddressType (SocketAddressType type)
SocketAccessControl | accessControl () const
void | setAccessControl (SocketAccessControl accessControl)
void | setIpAddress (const QPair< QHostAddress, quint16 > &address)
void | setLocalAddress (const QString &address)
bool | isDroppingConnections () const
Protected Member Functions inherited from Tp::TubeChannel
| TubeChannel (const ConnectionPtr &connection, const QString &objectPath, const QVariantMap &immutableProperties, const Feature &coreFeature=TubeChannel::FeatureCore)
void | setParameters (const QVariantMap &parameters)
Protected Member Functions inherited from Tp::Channel
| Channel (const ConnectionPtr &connection, const QString &objectPath, const QVariantMap &immutableProperties, const Feature &coreFeature)
Client::ChannelInterface * | baseInterface () const
bool | groupSelfHandleIsLocalPending () const
Protected Member Functions inherited from Tp::DBusProxy
void | setBusName (const QString &busName)
void | invalidate (const QString &reason, const QString &message)
void | invalidate (const QDBusError &error)
Protected Member Functions inherited from Tp::Object
| Object ()
void | notify (const char *propertyName)
Protected Member Functions inherited from Tp::ReadyObject
ReadinessHelper * | readinessHelper () const
Protected Member Functions inherited from Tp::OptionalInterfaceFactory< Channel >
void | setInterfaces (const QStringList &interfaces)

## Additional Inherited Members

Public Types inherited from Tp::OptionalInterfaceFactory< Channel >
enum | InterfaceSupportedChecking
Protected Slots inherited from Tp::Channel
PendingOperation * | groupAddSelfHandle ()

## Detailed Description

The StreamTubeChannel class represents a Telepathy channel of type StreamTube.

It provides a transport for reliable and ordered data transfer, similar to SOCK_STREAM sockets.

StreamTubeChannel is an intermediate base class; OutgoingStreamTubeChannel and IncomingStreamTubeChannel are the specialized classes used for locally and remotely initiated tubes respectively.

For more details, please refer to Telepathy specification.

See Asynchronous Object Model, Shared Pointer Usage

## Constructor & Destructor Documentation

Tp::StreamTubeChannel::~StreamTubeChannel | ( |  | ) |

virtual

Class destructor.

Tp::StreamTubeChannel::StreamTubeChannel | ( | const ConnectionPtr & | connection,
|  | const QString & | objectPath,
|  | const QVariantMap & | immutableProperties,
|  | const Feature & | coreFeature = `StreamTubeChannel::FeatureCore`
| ) |  |

protected

Construct a new StreamTubeChannel object.

Parameters

  connection | Connection owning this channel, and specifying the service.
  objectPath | The channel object path.
  immutableProperties | The channel immutable properties.
  coreFeature | The core feature of the channel type, if any. The corresponding introspectable should depend on StreamTubeChannel::FeatureCore.

## Member Function Documentation

StreamTubeChannelPtr Tp::StreamTubeChannel::create | ( | const ConnectionPtr & | connection,
|  | const QString & | objectPath,
|  | const QVariantMap & | immutableProperties
| ) |  |

static

Create a new StreamTubeChannel channel.

Parameters

  connection | Connection owning this channel, and specifying the service.
  objectPath | The channel object path.
  immutableProperties | The channel immutable properties.

Returns
  A StreamTubeChannelPtr object pointing to the newly created StreamTubeChannel object.

QString Tp::StreamTubeChannel::service | ( |  | ) | const

Return the service name which will be used over this stream tube. This should be a well-known TCP service name, for instance "rsync" or "daap".

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  The service name.

bool Tp::StreamTubeChannel::supportsIPv4SocketsOnLocalhost | ( |  | ) | const

Return whether this stream tube is capable to accept or offer an IPv4 socket accepting all incoming connections coming from localhost.

Note that the Telepathy specification implies that any connection manager, if capable of providing stream tubes, must at least support IPv4 sockets with localhost access control. For this reason, this method should always return `true`.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept or offer an IPv4 socket accepting all incoming connections coming from localhost, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsTcpSocket(), OutgoingStreamTubeChannel::offerTcpSocket(), supportsIPv4SocketsWithSpecifiedAddress()

bool Tp::StreamTubeChannel::supportsIPv4SocketsWithSpecifiedAddress | ( |  | ) | const

Return whether this stream tube is capable to accept an IPv4 socket accepting all incoming connections coming from a specific address for incoming tubes or whether this stream tube is capable of mapping connections to the socket's source address for outgoing tubes.

For incoming tubes, when this capability is available, the stream tube can be accepted specifying an IPv4 address. Every connection coming from any other address than the specified one will be rejected.

For outgoing tubes, when this capability is available, one can keep track of incoming connections by enabling StreamTubeChannel::FeatureConnectionMonitoring (possibly before opening the stream tube itself), and checking OutgoingStreamTubeChannel::contactsForConnections() or OutgoingStreamTubeChannel::connectionsForSourceAddresses().

Note that it is strongly advised to call this method before attempting to call IncomingStreamTubeChannel::acceptTubeAsTcpSocket() or OutgoingStreamTubeChannel::offerTcpSocket() with a specified address to prevent failures, as the spec implies this feature is not compulsory for connection managers.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept an IPv4 socket accepting all incoming connections coming from a specific address for incoming tubes or the stream tube is capable of mapping connections to the socket's source address for outgoing tubes, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsTcpSocket(), OutgoingStreamTubeChannel::offerTcpSocket(), OutgoingStreamTubeChannel::connectionsForSourceAddresses(), OutgoingStreamTubeChannel::contactsForConnections(), supportsIPv4SocketsOnLocalhost()

bool Tp::StreamTubeChannel::supportsIPv6SocketsOnLocalhost | ( |  | ) | const

Return whether this stream tube is capable to accept or offer an IPv6 socket accepting all incoming connections coming from localhost.

Note that it is strongly advised to call this method before attempting to call IncomingStreamTubeChannel::acceptTubeAsTcpSocket() or OutgoingStreamTubeChannel::offerTcpSocket() with a specified address to prevent failures, as the spec implies this feature is not compulsory for connection managers.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept or offer an IPv6 socket accepting all incoming connections coming from localhost, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsTcpSocket(), OutgoingStreamTubeChannel::offerTcpSocket(), supportsIPv6SocketsWithSpecifiedAddress()

bool Tp::StreamTubeChannel::supportsIPv6SocketsWithSpecifiedAddress | ( |  | ) | const

Return whether this stream tube is capable to accept an IPv6 socket accepting all incoming connections coming from a specific address for incoming tubes or whether this stream tube is capable of mapping connections to the socket's source address for outgoing tubes.

For incoming tubes, when this capability is available, the stream tube can be accepted specifying an IPv6 address. Every connection coming from any other address than the specified one will be rejected.

For outgoing tubes, when this capability is available, one can keep track of incoming connections by enabling StreamTubeChannel::FeatureConnectionMonitoring (possibly before opening the stream tube itself), and checking OutgoingStreamTubeChannel::contactsForConnections() or OutgoingStreamTubeChannel::connectionsForSourceAddresses().

Note that it is strongly advised to call this method before attempting to call IncomingStreamTubeChannel::acceptTubeAsTcpSocket() or OutgoingStreamTubeChannel::offerTcpSocket() with a specified address to prevent failures, as the spec implies this feature is not compulsory for connection managers.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept an IPv6 socket accepting all incoming connections coming from a specific address for incoming tubes or the stream tube is capable of mapping connections to the socket's source address for outgoing tubes, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsTcpSocket(), OutgoingStreamTubeChannel::offerTcpSocket(), OutgoingStreamTubeChannel::connectionsForSourceAddresses(), OutgoingStreamTubeChannel::contactsForConnections(), supportsIPv6SocketsOnLocalhost()

bool Tp::StreamTubeChannel::supportsUnixSocketsOnLocalhost | ( |  | ) | const

Return whether this stream tube is capable to accept or offer an Unix socket accepting all incoming connections coming from localhost.

Note that it is strongly advised to call this method before attempting to call IncomingStreamTubeChannel::acceptTubeAsUnixSocket() or OutgoingStreamTubeChannel::offerUnixSocket() without credentials enabled, as the spec implies this feature is not compulsory for connection managers.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept or offer an Unix socket accepting all incoming connections coming from localhost, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsUnixSocket(), OutgoingStreamTubeChannel::offerUnixSocket(), supportsUnixSocketsWithCredentials() supportsAbstractUnixSocketsOnLocalhost(), supportsAbstractUnixSocketsWithCredentials(),

bool Tp::StreamTubeChannel::supportsUnixSocketsWithCredentials | ( |  | ) | const

Return whether this stream tube is capable to accept or offer an Unix socket which will require credentials upon connection.

When this capability is available and enabled, the connecting process must send a byte when it first connects, which is not considered to be part of the data stream. If the operating system uses sendmsg() with SCM_CREDS or SCM_CREDENTIALS to pass credentials over sockets, the connecting process must do so if possible; if not, it must still send the byte.

The listening process will disconnect the connection unless it can determine by OS-specific means that the connecting process has the same user ID as the listening process.

Note that it is strongly advised to call this method before attempting to call IncomingStreamTubeChannel::acceptTubeAsUnixSocket() or OutgoingStreamTubeChannel::offerUnixSocket() with credentials enabled, as the spec implies this feature is not compulsory for connection managers.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept or offer an Unix socket which will require credentials upon connection, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsUnixSocket(), OutgoingStreamTubeChannel::offerUnixSocket(), supportsUnixSocketsOnLocalhost(), supportsAbstractUnixSocketsOnLocalhost(), supportsAbstractUnixSocketsWithCredentials(),

bool Tp::StreamTubeChannel::supportsAbstractUnixSocketsOnLocalhost | ( |  | ) | const

Return whether this stream tube is capable to accept or offer an abstract Unix socket accepting all incoming connections coming from localhost.

Note that it is strongly advised to call this method before attempting to call IncomingStreamTubeChannel::acceptTubeAsUnixSocket() or OutgoingStreamTubeChannel::offerUnixSocket() without credentials enabled, as the spec implies this feature is not compulsory for connection managers.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept or offer an abstract Unix socket accepting all incoming connections coming from localhost, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsUnixSocket(), OutgoingStreamTubeChannel::offerUnixSocket(), supportsUnixSocketsOnLocalhost(), supportsUnixSocketsWithCredentials(), supportsAbstractUnixSocketsWithCredentials()

bool Tp::StreamTubeChannel::supportsAbstractUnixSocketsWithCredentials | ( |  | ) | const

Return whether this stream tube is capable to accept or offer an abstract Unix socket which will require credentials upon connection.

When this capability is available and enabled, the connecting process must send a byte when it first connects, which is not considered to be part of the data stream. If the operating system uses sendmsg() with SCM_CREDS or SCM_CREDENTIALS to pass credentials over sockets, the connecting process must do so if possible; if not, it must still send the byte.

The listening process will disconnect the connection unless it can determine by OS-specific means that the connecting process has the same user ID as the listening process.

Note that it is strongly advised to call this method before attempting to call IncomingStreamTubeChannel::acceptTubeAsUnixSocket() or OutgoingStreamTubeChannel::offerUnixSocket() with credentials enabled, as the spec implies this feature is not compulsory for connection managers.

This method requires StreamTubeChannel::FeatureCore to be ready.

Returns
  `true` if the stream tube is capable to accept or offer an abstract Unix socket which will require credentials upon connection, `false` otherwise.

See Also
  IncomingStreamTubeChannel::acceptTubeAsUnixSocket(), OutgoingStreamTubeChannel::offerUnixSocket(), supportsUnixSocketsOnLocalhost(), supportsUnixSocketsWithCredentials(), supportsAbstractUnixSocketsOnLocalhost()

QSet< uint > Tp::StreamTubeChannel::connections | ( |  | ) | const

Return all the known active connections since StreamTubeChannel::FeatureConnectionMonitoring has been enabled.

For this method to return all known connections, you need to make StreamTubeChannel::FeatureConnectionMonitoring ready before accepting or offering the stream tube.

This method requires StreamTubeChannel::FeatureConnectionMonitoring to be ready.

Returns
  The list of active connection ids.

See Also
  newConnection(), connectionClosed()

SocketAddressType Tp::StreamTubeChannel::addressType | ( |  | ) | const

Return the type of the tube's local endpoint socket.

Note that this function will return a valid value only after state() has gone TubeStateOpen.

Returns
  The socket type as SocketAddressType.

See Also
  localAddress(), ipAddress()

QPair< QHostAddress, quint16 > Tp::StreamTubeChannel::ipAddress | ( |  | ) | const

Return the IP address/port combination used by this stream tube.

This method will return a meaningful value only if the local endpoint socket for the tube is a TCP socket, i.e. addressType() is SocketAddressTypeIPv4 or SocketAddressTypeIPv6.

Note that this function will return a valid value only after state() has gone TubeStateOpen.

Returns
  Pair of IP address as QHostAddress and port if using a TCP socket, or an undefined value otherwise.

See Also
  localAddress()

QString Tp::StreamTubeChannel::localAddress | ( |  | ) | const

Return the local address used by this stream tube.

This method will return a meaningful value only if the local endpoint socket for the tube is an UNIX socket, i.e. addressType() is SocketAddressTypeUnix or SocketAddressTypeAbstractUnix.

Note that this function will return a valid value only after state() has gone TubeStateOpen.

Returns
  Unix socket address if using an Unix socket, or an undefined value otherwise.

See Also
  ipAddress()

void Tp::StreamTubeChannel::newConnection | ( | uint | connectionId | ) |

signal

void Tp::StreamTubeChannel::connectionClosed | ( | uint | connectionId,
|  | const QString & | errorName,
|  | const QString & | errorMessage
| ) |  |

signal

Emitted when a connection on this stream tube has been closed.

Parameters

  connectionId | The unique ID associated with the connection that was closed.
  errorName | The name of a D-Bus error describing the error that occurred.
  errorMessage | A debugging message associated with the error.

See Also
  newConnection(), connections()

void Tp::StreamTubeChannel::addConnection | ( | uint | connection | ) |

protected

void Tp::StreamTubeChannel::removeConnection | ( | uint | connection,
|  | const QString & | error,
|  | const QString & | message
| ) |  |

protected

void Tp::StreamTubeChannel::setAddressType | ( | SocketAddressType | type | ) |

protected

SocketAccessControl Tp::StreamTubeChannel::accessControl | ( |  | ) | const

protected

Return the access control used by this stream tube.

Note that this function will only return a valid value after state() has gone TubeStateOpen.

Returns
  The access control as SocketAccessControl.

See Also
  addressType()

void Tp::StreamTubeChannel::setAccessControl | ( | SocketAccessControl | accessControl | ) |

protected

void Tp::StreamTubeChannel::setIpAddress | ( | const QPair< QHostAddress, quint16 > & | address | ) |

protected

void Tp::StreamTubeChannel::setLocalAddress | ( | const QString & | address | ) |

protected

bool Tp::StreamTubeChannel::isDroppingConnections | ( |  | ) | const

protected

## Member Data Documentation

const Feature Tp::StreamTubeChannel::FeatureCore

static

Feature representing the core that needs to become ready to make the StreamTubeChannel object usable.

Note that this feature must be enabled in order to use most StreamTubeChannel methods. See specific methods documentation for more details.

const Feature Tp::StreamTubeChannel::FeatureConnectionMonitoring

static

Feature used in order to monitor connections to this stream tube.

See connection monitoring specific methods' documentation for more details.

See Also
  newConnection(), connectionClosed()