AwsConnection class
This is a singleton that can be accessed as a regular constructor ie AwsConnection always returns the same instance.
Constructors
- AwsConnection()
-
This is a singleton that can be accessed as a regular constructor
That is, AwsConnection always returns the same instance.
factory
Properties
-
alternateAddresses
← List<
AwsConnectionOption> -
set an alternate address list, you can set the address of a specific server.
no getter
- alternateInterval ← Duration
-
Set the request interval.
no getter
-
connectionStatus
→ Future<
AwsConnectionStatus> -
Start a request to each address.
If at least one of the addresses is accessible
assume there is an Internet connection available and return
AwsConnectionStatus.connected.
AwsConnectionStatus.disconnected otherwise.
no setter
-
hasConnection
→ Future<
bool> -
Start a request to each address in
addresses. If at least one of the addresses is accessible We assume that an Internet connection is available and returntrue.falseotherwise.no setter - hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Returns true if any listeners are attached onStatusChange.
no setter
-
lastTryResults
→ List<
AwsConnectionResult> -
Return the results of the last check.
no setter
-
onStatusChange
→ Stream<
AwsConnectionStatus> -
Emits an AwsConnectionStatus every 5 seconds.
When all listeners are removed from
onStatusChange, the internal the timer is canceled and the stream does not emit events.no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
isHostReachable(
AwsConnectionOption option) → Future< AwsConnectionResult> - Ping a single address. See AwsConnectionOption for more information about the accepted argument.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Properties
-
defaultAddresses
→ List<
AwsConnectionOption> -
Predefined trusted addresses.
google: "1.1.1.1" and "8.8.4.4".
opendns: "208.67.222.222".
final
- defaultInterval → Duration
-
The request interval is every 3 seconds by default.
no setter
- defaultPort → int
-
The default connection port is 53.
For more information see "https://www.google.com/search?q=dns server port".
no setter
- defaultTimeOut → Duration
-
The default timeout is 5 seconds before an unreachable request is dropped.
no setter