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grpc-js: pick first: resolve address again after trying all addresses

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This commit is contained in:
murgatroid99 2019-10-10 10:26:36 -07:00
parent 56df09ceb0
commit d5931ad232
1 changed files with 8 additions and 3 deletions
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11
packages/grpc-js/src/load-balancer-pick-first.ts
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@ -343,15 +343,20 @@ export class PickFirstLoadBalancer implements LoadBalancer {
lbConfig: LoadBalancingConfig | null
): void {
// lbConfig has no useful information for pick first load balancing
this.latestAddressList = addressList;
this.connectToAddressList();
/* To avoid unnecessary churn, we only do something with this address list
* if we're not currently trying to establish a connection, or if the new
* address list is different from the existing one */
if (this.subchannels.length === 0 || !this.latestAddressList.every((value, index) => addressList[index] === value)) {
this.latestAddressList = addressList;
this.connectToAddressList();
}
}
exitIdle() {
for (const subchannel of this.subchannels) {
subchannel.startConnecting();
}
if (this.currentState === ConnectivityState.IDLE) {
if (this.currentState === ConnectivityState.IDLE || this.triedAllSubchannels) {
this.channelControlHelper.requestReresolution();
if (this.latestAddressList.length > 0) {
this.connectToAddressList();