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Side by Side Diff: chrome/browser/resources/net_internals/dnsview.js

Issue 7531005: Rename the net_internals file names to include hyphens. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Add some missing files Created 9 years, 4 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 /**
6 * This view displays information on the host resolver:
7 *
8 * - Shows the default address family.
9 * - Has a button to enable IPv6, if it is disabled.
10 * - Shows the current host cache contents.
11 * - Has a button to clear the host cache.
12 * - Shows the parameters used to construct the host cache (capacity, ttl).
13 *
14 * @constructor
15 */
16 function DnsView() {
17 const mainBoxId = 'dnsTabContent';
18 const cacheTbodyId = 'hostResolverCacheTbody';
19 const clearCacheButtonId = 'clearHostResolverCache';
20 const defaultFamilySpanId = 'hostResolverDefaultFamily';
21 const ipv6DisabledSpanId = 'hostResolverIPv6Disabled';
22 const enableIPv6ButtonId = 'hostResolverEnableIPv6';
23 const capacitySpanId = 'hostResolverCacheCapacity';
24 const ttlSuccessSpanId = 'hostResolverCacheTTLSuccess';
25 const ttlFailureSpanId = 'hostResolverCacheTTLFailure';
26
27 DivView.call(this, mainBoxId);
28
29 // Hook up the UI components.
30 this.cacheTbody_ = $(cacheTbodyId);
31 this.defaultFamilySpan_ = $(defaultFamilySpanId);
32 this.ipv6DisabledSpan_ = $(ipv6DisabledSpanId);
33
34 $(enableIPv6ButtonId).onclick = g_browser.enableIPv6.bind(g_browser);
35
36 this.capacitySpan_ = $(capacitySpanId);
37 this.ttlSuccessSpan_ = $(ttlSuccessSpanId);
38 this.ttlFailureSpan_ = $(ttlFailureSpanId);
39
40 var clearCacheButton = $(clearCacheButtonId);
41 clearCacheButton.onclick =
42 g_browser.sendClearHostResolverCache.bind(g_browser);
43
44 // Register to receive changes to the host resolver info.
45 g_browser.addHostResolverInfoObserver(this);
46 }
47
48 inherits(DnsView, DivView);
49
50 DnsView.prototype.onLoadLogFinish = function(data) {
51 return this.onHostResolverInfoChanged(data.hostResolverInfo);
52 };
53
54 DnsView.prototype.onHostResolverInfoChanged = function(hostResolverInfo) {
55 // Clear the existing values.
56 this.defaultFamilySpan_.innerHTML = '';
57 this.capacitySpan_.innerHTML = '';
58 this.ttlSuccessSpan_.innerHTML = '';
59 this.ttlFailureSpan_.innerHTML = '';
60 this.cacheTbody_.innerHTML = '';
61
62 // No info.
63 if (!hostResolverInfo || !hostResolverInfo.cache)
64 return false;
65
66 var family = hostResolverInfo.default_address_family;
67 addTextNode(this.defaultFamilySpan_, getKeyWithValue(AddressFamily, family));
68
69 var ipv6Disabled = (family == AddressFamily.ADDRESS_FAMILY_IPV4);
70 setNodeDisplay(this.ipv6DisabledSpan_, ipv6Disabled);
71
72 // Fill in the basic cache information.
73 var hostResolverCache = hostResolverInfo.cache;
74 addTextNode(this.capacitySpan_, hostResolverCache.capacity);
75 addTextNode(this.ttlSuccessSpan_, hostResolverCache.ttl_success_ms);
76 addTextNode(this.ttlFailureSpan_, hostResolverCache.ttl_failure_ms);
77
78 // Fill in the cache contents table.
79 for (var i = 0; i < hostResolverCache.entries.length; ++i) {
80 var e = hostResolverCache.entries[i];
81 var tr = addNode(this.cacheTbody_, 'tr');
82
83 var hostnameCell = addNode(tr, 'td');
84 addTextNode(hostnameCell, e.hostname);
85
86 var familyCell = addNode(tr, 'td');
87 addTextNode(familyCell, getKeyWithValue(AddressFamily, e.address_family));
88
89 var addressesCell = addNode(tr, 'td');
90
91 if (e.error != undefined) {
92 addTextNode(addressesCell, 'error: ' + e.error);
93 } else {
94 for (var j = 0; j < e.addresses.length; ++j) {
95 var address = e.addresses[j];
96 if (j != 0)
97 addNode(addressesCell, 'br');
98 addTextNode(addressesCell, address);
99 }
100 }
101
102 var expiresDate = convertTimeTicksToDate(e.expiration);
103 var expiresCell = addNode(tr, 'td');
104 addTextNode(expiresCell, expiresDate.toLocaleString());
105 }
106
107 return true;
108 };
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