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data net

Namespace of the network controls: net.partition(["api"], ["db"], for: 2s), net.latency(10ms..300ms), net.drop(0.1).

Example:

oxl✓ checked in CI
use std.test { net }

test sim "a partition heals" seeds 1..=2 {
  net.partition(["api"], ["db"])
  assert net.isBlocked("api", "db")
  net.heal()
  assert !net.isBlocked("api", "db")
}
pub(api) data net

Thread safety. global to the simulated world of the test; call it from the test body.

Since. 1.0.0-beta

Methods

dropConnections() net
Breaks every client connection of this process (the sockets are shut down).
latency(bounds: Dur | Range<Dur> | RangeInclusive<Dur>, hi: Dur)
One-way latency of every message, uniform in lo..=hi (jitter = hi - lo).
drop(p: f64)
Probability (0..1) that a message is lost.
duplicate(p: f64)
Probability (0..1) that a message is delivered twice.
reorder(p: f64)
Probability (0..1) that a message is delayed enough to be overtaken by later ones.
partition(a: List<str>, b: List<str>, r#for: Dur = 0ms)
Cuts all links between the two groups in both directions, for for (0 = until heal()).
block(from: List<str>, to: List<str>, r#for: Dur = 0ms)
Asymmetric partition
heal()
Removes every partition.
isBlocked(from: str, to: str) -> bool
Whether messages from from to to are currently lost.

Defined in: std/test/test.oxl:66

See also