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/**
* Utilities for turning on/off and waiting for fail points.
*/
var configureFailPoint;
var kDefaultWaitForFailPointTimeout;
(function() {
"use strict";
if (configureFailPoint) {
return; // Protect against this file being double-loaded.
}
kDefaultWaitForFailPointTimeout = 5 * 60 * 1000;
configureFailPoint = function(conn, failPointName, data = {}, failPointMode = "alwaysOn") {
return {
conn: conn,
failPointName: failPointName,
timesEntered: assert
.commandWorked(conn.adminCommand(
{configureFailPoint: failPointName, mode: failPointMode, data: data}))
.count,
wait:
function(maxTimeMS = kDefaultWaitForFailPointTimeout) {
// Can only be called once because this function does not keep track of the
// number of times the fail point is entered between the time it returns
// and the next time it gets called.
assert.commandWorked(conn.adminCommand({
waitForFailPoint: failPointName,
timesEntered: this.timesEntered + 1,
maxTimeMS: maxTimeMS
}));
},
waitWithTimeout:
function(timeoutMS) {
// This function has three possible outcomes:
//
// 1) Returns true when the failpoint was hit.
// 2) Returns false when the command returned a `MaxTimeMSExpired` response.
// 3) Otherwise, this throws for an unexpected error.
let res = assert.commandWorkedOrFailedWithCode(conn.adminCommand({
waitForFailPoint: failPointName,
timesEntered: this.timesEntered + 1,
maxTimeMS: timeoutMS
}),
ErrorCodes.MaxTimeMSExpired);
return res["ok"] === 1;
},
off:
function() {
assert.commandWorked(
conn.adminCommand({configureFailPoint: failPointName, mode: "off"}));
}
};
};
})();
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