Struct SessionLifecycleCounters 

#[non_exhaustive]
pub struct SessionLifecycleCounters {

    pub opened_total: u64,
    pub closed_total: u64,
    pub relaunch_app_total: u64,
    pub terminate_app_total: u64,
    pub terminate_app_via_xcuiapplication: u64,
    pub terminate_app_via_fallback: u64,
    pub launch_app_total: u64,
    pub launch_app_reached_foreground: u64,
    pub launch_app_timed_out_before_foreground: u64,
    pub reset_app_data_total: u64,
    pub reset_app_data_timed_out: u64,
    pub launch_app_reached_interactive: u64,
    pub launch_app_timed_out_before_interactive: u64,
}

Cumulative session lifecycle counters.

Unlike the instantaneous sessions: Vec<SessionSummary> view, these are advanced on every mutation and survive close. The split terminate_app_via_xcuiapplication / terminate_app_via_fallback counters answer “did clearAppData actually use the cooperative pathway or fall back to SIGKILL”.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

opened_total: u64

Total POST /session/open outcomes.

closed_total: u64

Total POST /session/close outcomes (idempotent — includes closes of unknown sessions).

relaunch_app_total: u64

Total POST /session/relaunch-app outcomes.

terminate_app_total: u64

Total POST /session/terminate-app outcomes.

terminate_app_via_xcuiapplication: u64

Terminate calls that observed the target .notRunning before the XCUIApplication timeout — cooperative pathway succeeded.

terminate_app_via_fallback: u64

Terminate calls where XCUIApplication timed out and the runner fell back to a hard-kill pathway. > 0 is the smoking gun for a non-cooperative teardown.

launch_app_total: u64

Total POST /session/launch-app outcomes.

launch_app_reached_foreground: u64

Launch calls that observed .runningForeground inside the requested wait_for_foreground_ms window.

launch_app_timed_out_before_foreground: u64

Launch calls that timed out waiting for foreground.

reset_app_data_total: u64

Total resetAppData verbs dispatched (URL-scheme JS-wipe pattern, separate from clearAppData’s container-wipe pathway).

reset_app_data_timed_out: u64

resetAppData calls where the completion signal (log-line pattern match on the metro log tail) never arrived inside the timeout window. > 0 = the URL fired but the app didn’t emit the expected [dev] reset-complete line.

launch_app_reached_interactive: u64

Launch calls that observed the interactive fingerprint (≥ minIdentifierCount non-ignored ax-ids in the a11y tree) inside wait_for_interactive_ms. Distinct from launch_app_reached_foreground which only tracks process state, not tree probeability.

launch_app_timed_out_before_interactive: u64

Launch calls that timed out waiting for the interactive fingerprint. Non-zero = “process foreground but tree unusable” — typically a splash screen whose descendants are all unnamed.

Trait Implementations

impl Clone for SessionLifecycleCounters

fn clone(&self) -> SessionLifecycleCounters

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for SessionLifecycleCounters

impl Debug for SessionLifecycleCounters

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SessionLifecycleCounters

fn default() -> SessionLifecycleCounters

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for SessionLifecycleCounters

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for SessionLifecycleCounters

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.