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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.
/**
* TODO(eroman): This needs better presentation, and cleaner code. This
* implementation is more of a transitionary step as
* the old net-internals is replaced.
*/
var PaintLogView;
var PrintSourceEntriesAsText;
// Start of anonymous namespace.
(function() {
PaintLogView = function(sourceEntries, node) {
for (var i = 0; i < sourceEntries.length; ++i) {
if (i != 0)
addNode(node, 'hr');
addSourceEntry_(node, sourceEntries[i]);
}
}
const INDENTATION_PX = 20;
function addSourceEntry_(node, sourceEntry) {
var div = addNode(node, 'div');
div.className = 'logSourceEntry';
var p = addNode(div, 'p');
var nobr = addNode(p, 'nobr');
addTextNode(nobr, sourceEntry.getDescription());
var pre = addNode(div, 'pre');
addTextNode(pre, PrintSourceEntriesAsText(sourceEntry.getLogEntries()));
}
PrintSourceEntriesAsText = function(sourceEntries) {
var entries = LogGroupEntry.createArrayFrom(sourceEntries);
var tablePrinter = new TablePrinter();
for (var i = 0; i < entries.length; ++i) {
var entry = entries[i];
// Avoid printing the END for a BEGIN that was immediately before.
// (Except if the END contains any extra parameters).
if (entry.isEnd() && !entry.orig.params && entry.begin &&
entry.begin.index == i - 1) {
continue;
}
tablePrinter.addRow();
tablePrinter.addCell('t=');
var tCell = tablePrinter.addCell(
g_browser.convertTimeTicksToDate(entry.orig.time).getTime());
tCell.alignRight = true;
tablePrinter.addCell(' ');
var indentationStr = makeRepeatedString(' ', entry.getDepth() * 3);
var mainCell =
tablePrinter.addCell(indentationStr + getTextForEvent(entry));
tablePrinter.addCell(' ');
// Get the elapsed time.
if (entry.isBegin()) {
tablePrinter.addCell('[dt=');
var dt = '?';
// Definite time.
if (entry.end) {
dt = entry.end.orig.time - entry.orig.time;
}
var dtCell = tablePrinter.addCell(dt);
dtCell.alignRight = true;
tablePrinter.addCell(']');
} else {
mainCell.allowOverflow = true;
}
// Output the extra parameters.
if (entry.orig.params != undefined) {
// Add a continuation row for each line of text from the extra parameters.
var extraParamsText = getTextForExtraParams(entry.orig);
var extraParamsTextLines = extraParamsText.split('\n');
for (var j = 0; j < extraParamsTextLines.length; ++j) {
tablePrinter.addRow();
tablePrinter.addCell(''); // No t=.
tablePrinter.addCell('');
tablePrinter.addCell(' ');
var mainExtraCell =
tablePrinter.addCell(indentationStr + extraParamsTextLines[j]);
mainExtraCell.allowOverflow = true;
}
}
}
// Format the table for fixed-width text.
return tablePrinter.toText();
}
function getTextForExtraParams(entry) {
// Format the extra parameters (use a custom formatter for certain types,
// but default to displaying as JSON).
switch (entry.type) {
case LogEventType.HTTP_TRANSACTION_SEND_REQUEST_HEADERS:
case LogEventType.HTTP_TRANSACTION_SEND_TUNNEL_HEADERS:
return getTextForRequestHeadersExtraParam(entry);
case LogEventType.HTTP_TRANSACTION_READ_RESPONSE_HEADERS:
case LogEventType.HTTP_TRANSACTION_READ_TUNNEL_RESPONSE_HEADERS:
return getTextForResponseHeadersExtraParam(entry);
default:
var out = [];
for (var k in entry.params) {
out.push(' --> ' + k + ' = ' +
JSON.stringify(entry.params[k]));
}
return out.join('\n');
}
}
/**
* Indent |lines| by |start|.
*
* For example, if |start| = ' -> ' and |lines| = ['line1', 'line2', 'line3']
* the output will be:
*
* " -> line1\n" +
* " line2\n" +
* " line3"
*/
function indentLines(start, lines) {
return start + lines.join('\n' + makeRepeatedString(' ', start.length));
}
function getTextForRequestHeadersExtraParam(entry) {
var params = entry.params;
// Strip the trailing CRLF that params.line contains.
var lineWithoutCRLF = params.line.replace(/\r\n$/g, '');
return indentLines(' --> ', [lineWithoutCRLF].concat(params.headers));
}
function getTextForResponseHeadersExtraParam(entry) {
return indentLines(' --> ', entry.params.headers);
}
function getTextForEvent(entry) {
var text = '';
if (entry.isBegin() && entry.end && entry.end.index == entry.index + 1 &&
!entry.end.orig.params) {
// Don't prefix with '+' if we are going to collapse the END event.
text = ' ';
} else if (entry.isBegin()) {
text = '+' + text;
} else if (entry.isEnd()) {
text = '-' + text;
} else {
text = ' ';
}
text += getKeyWithValue(LogEventType, entry.orig.type);
return text;
}
// End of anonymous namespace.
})();
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