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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* SocketPoolWrapper is a wrapper around socket pools entries. It's
* used by the log and sockets view to print tables containing both
* a synopsis of the state of all pools, and listing the groups within
* individual pools.
*
* The constructor takes a socket pool and its parent, and generates a
* unique name from the two, which is stored as |fullName|. |parent|
* must itself be a SocketPoolWrapper.
*
* @constructor
*/
function SocketPoolWrapper(socketPool, parent) {
this.origPool = socketPool;
this.fullName = socketPool.name;
if (this.fullName != socketPool.type)
this.fullName += ' (' + socketPool.type + ')';
if (parent)
this.fullName = parent.fullName + '->' + this.fullName;
}
/**
* Returns an array of SocketPoolWrappers created from each of the socket pools
* in |socketPoolInfo|. Nested socket pools appear immediately after their
* parent, and groups of nodes from trees with root nodes with the same id are
* placed adjacent to each other.
*/
SocketPoolWrapper.createArrayFrom = function(socketPoolInfo) {
// Create SocketPoolWrappers for each socket pool and separate socket pools
// them into different arrays based on root node name.
var socketPoolGroups = [];
var socketPoolNameLists = {};
for (var i = 0; i < socketPoolInfo.length; ++i) {
var name = socketPoolInfo[i].name;
if (!socketPoolNameLists[name]) {
socketPoolNameLists[name] = [];
socketPoolGroups.push(socketPoolNameLists[name]);
}
SocketPoolWrapper.addSocketPoolsToList_(socketPoolNameLists[name],
socketPoolInfo[i], null);
}
// Merge the arrays.
var socketPoolList = [];
for (var i = 0; i < socketPoolGroups.length; ++i) {
socketPoolList = socketPoolList.concat(socketPoolGroups[i]);
}
return socketPoolList;
};
/**
* Recursively creates SocketPoolWrappers from |origPool| and all its
* children and adds them all to |socketPoolList|. |parent| is the
* SocketPoolWrapper for the parent of |origPool|, or null, if it's
* a top level socket pool.
*/
SocketPoolWrapper.addSocketPoolsToList_ = function(socketPoolList,
origPool,
parent) {
var socketPool = new SocketPoolWrapper(origPool, parent);
socketPoolList.push(socketPool);
if (origPool.nested_pools) {
for (var i = 0; i < origPool.nested_pools.length; ++i) {
SocketPoolWrapper.addSocketPoolsToList_(socketPoolList,
origPool.nested_pools[i],
socketPool);
}
}
};
/**
* Returns a table printer containing information on each
* SocketPoolWrapper in |socketPools|.
*/
SocketPoolWrapper.createTablePrinter = function(socketPools) {
var tablePrinter = new TablePrinter();
tablePrinter.addHeaderCell('Name');
tablePrinter.addHeaderCell('Handed Out');
tablePrinter.addHeaderCell('Idle');
tablePrinter.addHeaderCell('Connecting');
tablePrinter.addHeaderCell('Max');
tablePrinter.addHeaderCell('Max Per Group');
tablePrinter.addHeaderCell('Generation');
for (var i = 0; i < socketPools.length; i++) {
var origPool = socketPools[i].origPool;
tablePrinter.addRow();
tablePrinter.addCell(socketPools[i].fullName);
tablePrinter.addCell(origPool.handed_out_socket_count);
var idleCell = tablePrinter.addCell(origPool.idle_socket_count);
var connectingCell = tablePrinter.addCell(origPool.connecting_socket_count);
if (origPool.groups) {
var idleSources = [];
var connectingSources = [];
for (var groupName in origPool.groups) {
var group = origPool.groups[groupName];
idleSources = idleSources.concat(group.idle_sockets);
connectingSources = connectingSources.concat(group.connect_jobs);
}
idleCell.link = SocketPoolWrapper.sourceListLink(idleSources);
connectingCell.link =
SocketPoolWrapper.sourceListLink(connectingSources);
}
tablePrinter.addCell(origPool.max_socket_count);
tablePrinter.addCell(origPool.max_sockets_per_group);
tablePrinter.addCell(origPool.pool_generation_number);
}
return tablePrinter;
};
/**
* Returns a table printer containing information on all a
* socket pool's groups.
*/
SocketPoolWrapper.prototype.createGroupTablePrinter = function() {
var tablePrinter = new TablePrinter();
tablePrinter.setTitle(this.fullName);
tablePrinter.addHeaderCell('Name');
tablePrinter.addHeaderCell('Pending');
tablePrinter.addHeaderCell('Top Priority');
tablePrinter.addHeaderCell('Active');
tablePrinter.addHeaderCell('Idle');
tablePrinter.addHeaderCell('Connect Jobs');
tablePrinter.addHeaderCell('Backup Job');
tablePrinter.addHeaderCell('Stalled');
for (var groupName in this.origPool.groups) {
var group = this.origPool.groups[groupName];
tablePrinter.addRow();
tablePrinter.addCell(groupName);
tablePrinter.addCell(group.pending_request_count);
if (group.top_pending_priority != undefined)
tablePrinter.addCell(group.top_pending_priority);
else
tablePrinter.addCell('-');
tablePrinter.addCell(group.active_socket_count);
var idleCell = tablePrinter.addCell(group.idle_sockets.length);
var connectingCell = tablePrinter.addCell(group.connect_jobs.length);
idleCell.link = SocketPoolWrapper.sourceListLink(group.idle_sockets);
connectingCell.link =
SocketPoolWrapper.sourceListLink(group.connect_jobs);
tablePrinter.addCell(group.has_backup_job);
tablePrinter.addCell(group.is_stalled);
}
return tablePrinter;
};
/**
* Takes in a list of source IDs and returns a link that will select the
* specified sources.
*/
SocketPoolWrapper.sourceListLink = function(sources) {
if (!sources.length)
return null;
return '#events&q=id:' + sources.join('%20id:');
}
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