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/var/www/greso.tech/server/nsm/node_modules/@grpc/grpc-js/src/

/var/www/greso.tech/server/nsm/node_modules/@grpc/grpc-js/src

Name	Size	Mode	Actions
generated/	-	0755	rm
admin.ts	1345	0644	edit dl rm
backoff-timeout.ts	4719	0644	edit dl rm
call-credentials.ts	6555	0644	edit dl rm
call-interface.ts	4982	0644	edit dl rm
call-number.ts	694	0644	edit dl rm
call.ts	5447	0644	edit dl rm
channel-credentials.ts	8753	0644	edit dl rm
channel-options.ts	4100	0644	edit dl rm
channel.ts	5547	0644	edit dl rm
channelz.ts	26226	0644	edit dl rm
client-interceptors.ts	17901	0644	edit dl rm
client.ts	24828	0644	edit dl rm
compression-algorithms.ts	682	0644	edit dl rm
compression-filter.ts	10167	0644	edit dl rm
connectivity-state.ts	699	0644	edit dl rm
constants.ts	1651	0644	edit dl rm
control-plane-status.ts	1222	0644	edit dl rm
deadline.ts	2935	0644	edit dl rm
duration.ts	1096	0644	edit dl rm
error.ts	1062	0644	edit dl rm
events.ts	1108	0644	edit dl rm
experimental.ts	1352	0644	edit dl rm
filter-stack.ts	2674	0644	edit dl rm
filter.ts	1887	0644	edit dl rm
http_proxy.ts	8827	0644	edit dl rm
index.ts	7918	0644	edit dl rm
internal-channel.ts	21831	0644	edit dl rm
load-balancer-child-handler.ts	4868	0644	edit dl rm
load-balancer-outlier-detection.ts	25014	0644	edit dl rm
load-balancer-pick-first.ts	16073	0644	edit dl rm
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load-balancing-call.ts	10585	0644	edit dl rm
logging.ts	3407	0644	edit dl rm
make-client.ts	7201	0644	edit dl rm
max-message-size-filter.ts	3049	0644	edit dl rm
metadata.ts	8988	0644	edit dl rm
object-stream.ts	2214	0644	edit dl rm
picker.ts	4328	0644	edit dl rm
resolver-dns.ts	13169	0644	edit dl rm
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resolver-uds.ts	1611	0644	edit dl rm
resolver.ts	5805	0644	edit dl rm
resolving-call.ts	9856	0644	edit dl rm
resolving-load-balancer.ts	11508	0644	edit dl rm
retrying-call.ts	23079	0644	edit dl rm
server-call.ts	27256	0644	edit dl rm
server-credentials.ts	2822	0644	edit dl rm
server.ts	37334	0644	edit dl rm
service-config.ts	15852	0644	edit dl rm
status-builder.ts	1783	0644	edit dl rm
stream-decoder.ts	3501	0644	edit dl rm
subchannel-address.ts	2307	0644	edit dl rm
subchannel-call.ts	18197	0644	edit dl rm
subchannel-interface.ts	2831	0644	edit dl rm
subchannel-pool.ts	5490	0644	edit dl rm
subchannel.ts	13755	0644	edit dl rm
tls-helpers.ts	1088	0644	edit dl rm
transport.ts	25264	0644	edit dl rm
uri-parser.ts	2814	0644	edit dl rm

Edit: /var/www/greso.tech/server/nsm/node_modules/@grpc/grpc-js/src/subchannel-pool.ts (5490B)

/*
 * Copyright 2019 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import { ChannelOptions, channelOptionsEqual } from './channel-options';
import { Subchannel } from './subchannel';
import {
  SubchannelAddress,
  subchannelAddressEqual,
} from './subchannel-address';
import { ChannelCredentials } from './channel-credentials';
import { GrpcUri, uriToString } from './uri-parser';
import { Http2SubchannelConnector } from './transport';

// 10 seconds in milliseconds. This value is arbitrary.
/**
 * The amount of time in between checks for dropping subchannels that have no
 * other references
 */
const REF_CHECK_INTERVAL = 10_000;

export class SubchannelPool {
  private pool: {
    [channelTarget: string]: Array<{
      subchannelAddress: SubchannelAddress;
      channelArguments: ChannelOptions;
      channelCredentials: ChannelCredentials;
      subchannel: Subchannel;
    }>;
  } = Object.create(null);

/**
   * A timer of a task performing a periodic subchannel cleanup.
   */
  private cleanupTimer: NodeJS.Timer | null = null;

/**
   * A pool of subchannels use for making connections. Subchannels with the
   * exact same parameters will be reused.
   */
  constructor() {}

/**
   * Unrefs all unused subchannels and cancels the cleanup task if all
   * subchannels have been unrefed.
   */
  unrefUnusedSubchannels(): void {
    let allSubchannelsUnrefed = true;

/* These objects are created with Object.create(null), so they do not
     * have a prototype, which means that for (... in ...) loops over them
     * do not need to be filtered */
    // eslint-disable-disable-next-line:forin
    for (const channelTarget in this.pool) {
      const subchannelObjArray = this.pool[channelTarget];

const refedSubchannels = subchannelObjArray.filter(
        (value) => !value.subchannel.unrefIfOneRef()
      );

if (refedSubchannels.length > 0) {
        allSubchannelsUnrefed = false;
      }

/* For each subchannel in the pool, try to unref it if it has
       * exactly one ref (which is the ref from the pool itself). If that
       * does happen, remove the subchannel from the pool */
      this.pool[channelTarget] = refedSubchannels;
    }
    /* Currently we do not delete keys with empty values. If that results
     * in significant memory usage we should change it. */

// Cancel the cleanup task if all subchannels have been unrefed.
    if (allSubchannelsUnrefed && this.cleanupTimer !== null) {
      clearInterval(this.cleanupTimer);
      this.cleanupTimer = null;
    }
  }

/**
   * Ensures that the cleanup task is spawned.
   */
  ensureCleanupTask(): void {
    if (this.cleanupTimer === null) {
      this.cleanupTimer = setInterval(() => {
        this.unrefUnusedSubchannels();
      }, REF_CHECK_INTERVAL);

// Unref because this timer should not keep the event loop running.
      // Call unref only if it exists to address electron/electron#21162
      this.cleanupTimer.unref?.();
    }
  }

/**
   * Get a subchannel if one already exists with exactly matching parameters.
   * Otherwise, create and save a subchannel with those parameters.
   * @param channelTarget
   * @param subchannelTarget
   * @param channelArguments
   * @param channelCredentials
   */
  getOrCreateSubchannel(
    channelTargetUri: GrpcUri,
    subchannelTarget: SubchannelAddress,
    channelArguments: ChannelOptions,
    channelCredentials: ChannelCredentials
  ): Subchannel {
    this.ensureCleanupTask();
    const channelTarget = uriToString(channelTargetUri);
    if (channelTarget in this.pool) {
      const subchannelObjArray = this.pool[channelTarget];
      for (const subchannelObj of subchannelObjArray) {
        if (
          subchannelAddressEqual(
            subchannelTarget,
            subchannelObj.subchannelAddress
          ) &&
          channelOptionsEqual(
            channelArguments,
            subchannelObj.channelArguments
          ) &&
          channelCredentials._equals(subchannelObj.channelCredentials)
        ) {
          return subchannelObj.subchannel;
        }
      }
    }
    // If we get here, no matching subchannel was found
    const subchannel = new Subchannel(
      channelTargetUri,
      subchannelTarget,
      channelArguments,
      channelCredentials,
      new Http2SubchannelConnector(channelTargetUri)
    );
    if (!(channelTarget in this.pool)) {
      this.pool[channelTarget] = [];
    }
    this.pool[channelTarget].push({
      subchannelAddress: subchannelTarget,
      channelArguments,
      channelCredentials,
      subchannel,
    });
    subchannel.ref();
    return subchannel;
  }
}

const globalSubchannelPool = new SubchannelPool();

/**
 * Get either the global subchannel pool, or a new subchannel pool.
 * @param global
 */
export function getSubchannelPool(global: boolean): SubchannelPool {
  if (global) {
    return globalSubchannelPool;
  } else {
    return new SubchannelPool();
  }
}

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