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Side by Side Diff: net/url_request/view_cache_helper.cc

Issue 1594036: Update about:cache to display cached metadata for an entry.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years, 8 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "net/url_request/view_cache_helper.h" 5 #include "net/url_request/view_cache_helper.h"
6 6
7 #include "base/string_util.h" 7 #include "base/string_util.h"
8 #include "net/base/escape.h" 8 #include "net/base/escape.h"
9 #include "net/base/io_buffer.h" 9 #include "net/base/io_buffer.h"
10 #include "net/disk_cache/disk_cache.h" 10 #include "net/disk_cache/disk_cache.h"
(...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after
59 static std::string FormatEntryInfo(disk_cache::Entry* entry, 59 static std::string FormatEntryInfo(disk_cache::Entry* entry,
60 const std::string& url_prefix) { 60 const std::string& url_prefix) {
61 std::string key = entry->GetKey(); 61 std::string key = entry->GetKey();
62 GURL url = GURL(url_prefix + key); 62 GURL url = GURL(url_prefix + key);
63 std::string row = 63 std::string row =
64 "<tr><td><a href=\"" + url.spec() + "\">" + EscapeForHTML(key) + 64 "<tr><td><a href=\"" + url.spec() + "\">" + EscapeForHTML(key) +
65 "</a></td></tr>"; 65 "</a></td></tr>";
66 return row; 66 return row;
67 } 67 }
68 68
69 static std::string FormatEntryDetails(disk_cache::Entry* entry) { 69 static std::string FormatEntryDetails(disk_cache::Entry* entry,
70 int num_entry_data_indices) {
70 std::string result = EscapeForHTML(entry->GetKey()); 71 std::string result = EscapeForHTML(entry->GetKey());
71 72
72 net::HttpResponseInfo response; 73 net::HttpResponseInfo response;
73 bool truncated; 74 bool truncated;
74 if (net::HttpCache::ReadResponseInfo(entry, &response, &truncated) && 75 if (net::HttpCache::ReadResponseInfo(entry, &response, &truncated) &&
75 response.headers) { 76 response.headers) {
76 if (truncated) 77 if (truncated)
77 result.append("<pre>RESPONSE_INFO_TRUNCATED</pre>"); 78 result.append("<pre>RESPONSE_INFO_TRUNCATED</pre>");
78 79
79 result.append("<hr><pre>"); 80 result.append("<hr><pre>");
80 result.append(EscapeForHTML(response.headers->GetStatusLine())); 81 result.append(EscapeForHTML(response.headers->GetStatusLine()));
81 result.push_back('\n'); 82 result.push_back('\n');
82 83
83 void* iter = NULL; 84 void* iter = NULL;
84 std::string name, value; 85 std::string name, value;
85 while (response.headers->EnumerateHeaderLines(&iter, &name, &value)) { 86 while (response.headers->EnumerateHeaderLines(&iter, &name, &value)) {
86 result.append(EscapeForHTML(name)); 87 result.append(EscapeForHTML(name));
87 result.append(": "); 88 result.append(": ");
88 result.append(EscapeForHTML(value)); 89 result.append(EscapeForHTML(value));
89 result.push_back('\n'); 90 result.push_back('\n');
90 } 91 }
91 result.append("</pre>"); 92 result.append("</pre>");
92 } 93 }
93 94
94 for (int i = 0; i < 2; ++i) { 95 for (int i = 0; i < num_entry_data_indices; ++i) {
95 result.append("<hr><pre>"); 96 result.append("<hr><pre>");
96 97
97 int data_size = entry->GetDataSize(i); 98 int data_size = entry->GetDataSize(i);
98 99
99 if (data_size) { 100 if (data_size) {
100 scoped_refptr<net::IOBuffer> buffer = new net::IOBuffer(data_size); 101 scoped_refptr<net::IOBuffer> buffer = new net::IOBuffer(data_size);
101 if (entry->ReadData(i, 0, buffer, data_size, NULL) == data_size) 102 if (entry->ReadData(i, 0, buffer, data_size, NULL) == data_size)
102 HexDump(buffer->data(), data_size, &result); 103 HexDump(buffer->data(), data_size, &result);
103 } 104 }
104 105
(...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after
153 void* iter = NULL; 154 void* iter = NULL;
154 disk_cache::Entry* entry; 155 disk_cache::Entry* entry;
155 while (disk_cache->OpenNextEntry(&iter, &entry)) { 156 while (disk_cache->OpenNextEntry(&iter, &entry)) {
156 data->append(FormatEntryInfo(entry, url_prefix)); 157 data->append(FormatEntryInfo(entry, url_prefix));
157 entry->Close(); 158 entry->Close();
158 } 159 }
159 data->append(VIEW_CACHE_TAIL); 160 data->append(VIEW_CACHE_TAIL);
160 } else { 161 } else {
161 disk_cache::Entry* entry; 162 disk_cache::Entry* entry;
162 if (disk_cache->OpenEntry(key, &entry)) { 163 if (disk_cache->OpenEntry(key, &entry)) {
163 data->assign(FormatEntryDetails(entry)); 164 data->assign(FormatEntryDetails(
165 entry, net::HttpCache::kNumCacheEntryDataIndices));
164 entry->Close(); 166 entry->Close();
165 } else { 167 } else {
166 data->assign("no matching cache entry for: " + EscapeForHTML(key)); 168 data->assign("no matching cache entry for: " + EscapeForHTML(key));
167 } 169 }
168 } 170 }
169 } 171 }
170 172
171 // static 173 // static
172 void ViewCacheHelper::GetStatisticsHTML(URLRequestContext* context, 174 void ViewCacheHelper::GetStatisticsHTML(URLRequestContext* context,
173 std::string* data) { 175 std::string* data) {
174 disk_cache::Backend* disk_cache = GetDiskCache(context); 176 disk_cache::Backend* disk_cache = GetDiskCache(context);
175 if (!disk_cache) { 177 if (!disk_cache) {
176 data->append("no disk cache"); 178 data->append("no disk cache");
177 return; 179 return;
178 } 180 }
179 data->append(FormatStatistics(disk_cache)); 181 data->append(FormatStatistics(disk_cache));
180 } 182 }
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