| // Copyright (c) 2012 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): put these methods into a namespace. |
| |
| var printLogEntriesAsText; |
| var createLogEntryTablePrinter; |
| var proxySettingsToString; |
| var stripCookiesAndLoginInfo; |
| |
| // Start of anonymous namespace. |
| (function() { |
| 'use strict'; |
| |
| function canCollapseBeginWithEnd(beginEntry) { |
| return beginEntry && |
| beginEntry.isBegin() && |
| beginEntry.end && |
| beginEntry.end.index == beginEntry.index + 1 && |
| (!beginEntry.orig.params || !beginEntry.end.orig.params); |
| } |
| |
| /** |
| * Adds a child pre element to the end of |parent|, and writes the |
| * formatted contents of |logEntries| to it. |
| */ |
| printLogEntriesAsText = function(logEntries, parent, privacyStripping, |
| logCreationTime) { |
| var tablePrinter = createLogEntryTablePrinter(logEntries, privacyStripping, |
| logCreationTime); |
| |
| // Format the table for fixed-width text. |
| tablePrinter.toText(0, parent); |
| } |
| /** |
| * Creates a TablePrinter for use by the above two functions. |
| */ |
| createLogEntryTablePrinter = function(logEntries, privacyStripping, |
| logCreationTime) { |
| var entries = LogGroupEntry.createArrayFrom(logEntries); |
| var tablePrinter = new TablePrinter(); |
| var parameterOutputter = new ParameterOutputter(tablePrinter); |
| |
| if (entries.length == 0) |
| return tablePrinter; |
| |
| var startTime = timeutil.convertTimeTicksToTime(entries[0].orig.time); |
| |
| for (var i = 0; i < entries.length; ++i) { |
| var entry = entries[i]; |
| |
| // Avoid printing the END for a BEGIN that was immediately before, unless |
| // both have extra parameters. |
| if (!entry.isEnd() || !canCollapseBeginWithEnd(entry.begin)) { |
| var entryTime = timeutil.convertTimeTicksToTime(entry.orig.time); |
| addRowWithTime(tablePrinter, entryTime, startTime); |
| |
| for (var j = entry.getDepth(); j > 0; --j) |
| tablePrinter.addCell(' '); |
| |
| var eventText = getTextForEvent(entry); |
| // Get the elapsed time, and append it to the event text. |
| if (entry.isBegin()) { |
| var dt = '?'; |
| // Definite time. |
| if (entry.end) { |
| dt = entry.end.orig.time - entry.orig.time; |
| } else if (logCreationTime != undefined) { |
| dt = (logCreationTime - entryTime) + '+'; |
| } |
| eventText += ' [dt=' + dt + ']'; |
| } |
| |
| var mainCell = tablePrinter.addCell(eventText); |
| mainCell.allowOverflow = true; |
| } |
| |
| // Output the extra parameters. |
| if (typeof entry.orig.params == 'object') { |
| // Those 5 skipped cells are: two for "t=", and three for "st=". |
| tablePrinter.setNewRowCellIndent(5 + entry.getDepth()); |
| writeParameters(entry.orig, privacyStripping, parameterOutputter); |
| |
| tablePrinter.setNewRowCellIndent(0); |
| } |
| } |
| |
| // If viewing a saved log file, add row with just the time the log was |
| // created, if the event never completed. |
| var lastEntry = entries[entries.length - 1]; |
| // If the last entry has a non-zero depth or is a begin event, the source is |
| // still active. |
| var isSourceActive = lastEntry.getDepth() != 0 || lastEntry.isBegin(); |
| if (logCreationTime != undefined && isSourceActive) |
| addRowWithTime(tablePrinter, logCreationTime, startTime); |
| |
| return tablePrinter; |
| } |
| |
| /** |
| * Adds a new row to the given TablePrinter, and adds five cells containing |
| * information about the time an event occured. |
| * Format is '[t=<UTC time in ms>] [st=<ms since the source started>]'. |
| * @param {TablePrinter} tablePrinter The table printer to add the cells to. |
| * @param {number} eventTime The time the event occured, as a UTC time in |
| * milliseconds. |
| * @param {number} startTime The time the first event for the source occured, |
| * as a UTC time in milliseconds. |
| */ |
| function addRowWithTime(tablePrinter, eventTime, startTime) { |
| tablePrinter.addRow(); |
| tablePrinter.addCell('t='); |
| var tCell = tablePrinter.addCell(eventTime); |
| tCell.alignRight = true; |
| tablePrinter.addCell(' [st='); |
| var stCell = tablePrinter.addCell(eventTime - startTime); |
| stCell.alignRight = true; |
| tablePrinter.addCell('] '); |
| } |
| |
| /** |
| * |hexString| must be a string of hexadecimal characters with no whitespace, |
| * whose length is a multiple of two. Writes multiple lines to |out| with |
| * the hexadecimal characters from |hexString| on the left, in groups of |
| * two, and their corresponding ASCII characters on the right. |
| * |
| * |asciiCharsPerLine| specifies how many ASCII characters will be put on each |
| * line of the output string. |
| */ |
| function writeHexString(hexString, asciiCharsPerLine, out) { |
| // Number of transferred bytes in a line of output. Length of a |
| // line is roughly 4 times larger. |
| var hexCharsPerLine = 2 * asciiCharsPerLine; |
| for (var i = 0; i < hexString.length; i += hexCharsPerLine) { |
| var hexLine = ''; |
| var asciiLine = ''; |
| for (var j = i; j < i + hexCharsPerLine && j < hexString.length; j += 2) { |
| var hex = hexString.substr(j, 2); |
| hexLine += hex + ' '; |
| var charCode = parseInt(hex, 16); |
| // For ASCII codes 32 though 126, display the corresponding |
| // characters. Use a space for nulls, and a period for |
| // everything else. |
| if (charCode >= 0x20 && charCode <= 0x7E) { |
| asciiLine += String.fromCharCode(charCode); |
| } else if (charCode == 0x00) { |
| asciiLine += ' '; |
| } else { |
| asciiLine += '.'; |
| } |
| } |
| |
| // Make the ASCII text for the last line of output align with the previous |
| // lines. |
| hexLine += makeRepeatedString(' ', 3 * asciiCharsPerLine - hexLine.length); |
| out.writeLine(' ' + hexLine + ' ' + asciiLine); |
| } |
| } |
| |
| /** |
| * Wrapper around a TablePrinter to simplify outputting lines of text for event |
| * parameters. |
| */ |
| var ParameterOutputter = (function() { |
| /** |
| * @constructor |
| */ |
| function ParameterOutputter(tablePrinter) { |
| this.tablePrinter_ = tablePrinter; |
| } |
| |
| ParameterOutputter.prototype = { |
| /** |
| * Outputs a single line. |
| */ |
| writeLine: function(line) { |
| this.tablePrinter_.addRow(); |
| var cell = this.tablePrinter_.addCell(line); |
| cell.allowOverflow = true; |
| return cell; |
| }, |
| |
| /** |
| * Outputs a key=value line which looks like: |
| * |
| * --> key = value |
| */ |
| writeArrowKeyValue: function(key, value, link) { |
| var cell = this.writeLine(kArrow + key + ' = ' + value); |
| cell.link = link; |
| }, |
| |
| /** |
| * Outputs a key= line which looks like: |
| * |
| * --> key = |
| */ |
| writeArrowKey: function(key) { |
| this.writeLine(kArrow + key + ' ='); |
| }, |
| |
| /** |
| * Outputs multiple lines, each indented by numSpaces. |
| * For instance if numSpaces=8 it might look like this: |
| * |
| * line 1 |
| * line 2 |
| * line 3 |
| */ |
| writeSpaceIndentedLines: function(numSpaces, lines) { |
| var prefix = makeRepeatedString(' ', numSpaces); |
| for (var i = 0; i < lines.length; ++i) |
| this.writeLine(prefix + lines[i]); |
| }, |
| |
| /** |
| * Outputs multiple lines such that the first line has |
| * an arrow pointing at it, and subsequent lines |
| * align with the first one. For example: |
| * |
| * --> line 1 |
| * line 2 |
| * line 3 |
| */ |
| writeArrowIndentedLines: function(lines) { |
| if (lines.length == 0) |
| return; |
| |
| this.writeLine(kArrow + lines[0]); |
| |
| for (var i = 1; i < lines.length; ++i) |
| this.writeLine(kArrowIndentation + lines[i]); |
| } |
| }; |
| |
| var kArrow = ' --> '; |
| var kArrowIndentation = ' '; |
| |
| return ParameterOutputter; |
| })(); // end of ParameterOutputter |
| |
| /** |
| * Formats the parameters for |entry| and writes them to |out|. |
| * Certain event types have custom pretty printers. Everything else will |
| * default to a JSON-like format. |
| */ |
| function writeParameters(entry, privacyStripping, out) { |
| if (privacyStripping) { |
| // If privacy stripping is enabled, remove data as needed. |
| entry = stripCookiesAndLoginInfo(entry); |
| } else { |
| // If headers are in an object, convert them to an array for better display. |
| entry = reformatHeaders(entry); |
| } |
| |
| // Use any parameter writer available for this event type. |
| var paramsWriter = getParamaterWriterForEventType(entry.type); |
| var consumedParams = {}; |
| if (paramsWriter) |
| paramsWriter(entry, out, consumedParams); |
| |
| // Write any un-consumed parameters. |
| for (var k in entry.params) { |
| if (consumedParams[k]) |
| continue; |
| defaultWriteParameter(k, entry.params[k], out); |
| } |
| } |
| |
| /** |
| * Finds a writer to format the parameters for events of type |eventType|. |
| * |
| * @return {function} The returned function "writer" can be invoked |
| * as |writer(entry, writer, consumedParams)|. It will |
| * output the parameters of |entry| to |out|, and fill |
| * |consumedParams| with the keys of the parameters |
| * consumed. If no writer is available for |eventType| then |
| * returns null. |
| */ |
| function getParamaterWriterForEventType(eventType) { |
| switch (eventType) { |
| case EventType.HTTP_TRANSACTION_SEND_REQUEST_HEADERS: |
| case EventType.HTTP_TRANSACTION_SEND_TUNNEL_HEADERS: |
| return writeParamsForRequestHeaders; |
| |
| case EventType.PROXY_CONFIG_CHANGED: |
| return writeParamsForProxyConfigChanged; |
| |
| case EventType.CERT_VERIFIER_JOB: |
| case EventType.SSL_CERTIFICATES_RECEIVED: |
| return writeParamsForCertificates; |
| |
| case EventType.SSL_VERSION_FALLBACK: |
| return writeParamsForSSLVersionFallback; |
| } |
| return null; |
| } |
| |
| /** |
| * Default parameter writer that outputs a visualization of field named |key| |
| * with value |value| to |out|. |
| */ |
| function defaultWriteParameter(key, value, out) { |
| if (key == 'headers' && value instanceof Array) { |
| out.writeArrowIndentedLines(value); |
| return; |
| } |
| |
| // For transferred bytes, display the bytes in hex and ASCII. |
| if (key == 'hex_encoded_bytes' && typeof value == 'string') { |
| out.writeArrowKey(key); |
| writeHexString(value, 20, out); |
| return; |
| } |
| |
| // Handle source_dependency entries - add link and map source type to |
| // string. |
| if (key == 'source_dependency' && typeof value == 'object') { |
| var link = '#events&s=' + value.id; |
| var valueStr = value.id + ' (' + EventSourceTypeNames[value.type] + ')'; |
| out.writeArrowKeyValue(key, valueStr, link); |
| return; |
| } |
| |
| if (key == 'net_error' && typeof value == 'number') { |
| var valueStr = value + ' (' + netErrorToString(value) + ')'; |
| out.writeArrowKeyValue(key, valueStr); |
| return; |
| } |
| |
| if (key == 'quic_error' && typeof value == 'number') { |
| var valueStr = value + ' (' + quicErrorToString(value) + ')'; |
| out.writeArrowKeyValue(key, valueStr); |
| return; |
| } |
| |
| if (key == 'quic_crypto_handshake_message' && typeof value == 'string') { |
| var lines = value.split('\n'); |
| out.writeArrowIndentedLines(lines); |
| return; |
| } |
| |
| if (key == 'quic_rst_stream_error' && typeof value == 'number') { |
| var valueStr = value + ' (' + quicRstStreamErrorToString(value) + ')'; |
| out.writeArrowKeyValue(key, valueStr); |
| return; |
| } |
| |
| if (key == 'load_flags' && typeof value == 'number') { |
| var valueStr = value + ' (' + getLoadFlagSymbolicString(value) + ')'; |
| out.writeArrowKeyValue(key, valueStr); |
| return; |
| } |
| |
| if (key == 'load_state' && typeof value == 'number') { |
| var valueStr = value + ' (' + getKeyWithValue(LoadState, value) + ')'; |
| out.writeArrowKeyValue(key, valueStr); |
| return; |
| } |
| |
| // Otherwise just default to JSON formatting of the value. |
| out.writeArrowKeyValue(key, JSON.stringify(value)); |
| } |
| |
| /** |
| * Returns the set of LoadFlags that make up the integer |loadFlag|. |
| * For example: getLoadFlagSymbolicString( |
| */ |
| function getLoadFlagSymbolicString(loadFlag) { |
| // Load flag of 0 means "NORMAL". Special case this, since and-ing with |
| // 0 is always going to be false. |
| if (loadFlag == 0) |
| return getKeyWithValue(LoadFlag, loadFlag); |
| |
| var matchingLoadFlagNames = []; |
| |
| for (var k in LoadFlag) { |
| if (loadFlag & LoadFlag[k]) |
| matchingLoadFlagNames.push(k); |
| } |
| |
| return matchingLoadFlagNames.join(' | '); |
| } |
| |
| /** |
| * Converts an SSL version number to a textual representation. |
| * For instance, SSLVersionNumberToName(0x0301) returns 'TLS 1.0'. |
| */ |
| function SSLVersionNumberToName(version) { |
| if ((version & 0xFFFF) != version) { |
| // If the version number is more than 2 bytes long something is wrong. |
| // Print it as hex. |
| return 'SSL 0x' + version.toString(16); |
| } |
| |
| // See if it is a known TLS name. |
| var kTLSNames = { |
| 0x0301: 'TLS 1.0', |
| 0x0302: 'TLS 1.1', |
| 0x0303: 'TLS 1.2' |
| }; |
| var name = kTLSNames[version]; |
| if (name) |
| return name; |
| |
| // Otherwise label it as an SSL version. |
| var major = (version & 0xFF00) >> 8; |
| var minor = version & 0x00FF; |
| |
| return 'SSL ' + major + '.' + minor; |
| } |
| |
| /** |
| * TODO(eroman): get rid of this, as it is only used by 1 callsite. |
| * |
| * 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)); |
| } |
| |
| /** |
| * If entry.param.headers exists and is an object other than an array, converts |
| * it into an array and returns a new entry. Otherwise, just returns the |
| * original entry. |
| */ |
| function reformatHeaders(entry) { |
| // If there are no headers, or it is not an object other than an array, |
| // return |entry| without modification. |
| if (!entry.params || entry.params.headers === undefined || |
| typeof entry.params.headers != 'object' || |
| entry.params.headers instanceof Array) { |
| return entry; |
| } |
| |
| // Duplicate the top level object, and |entry.params|, so the original object |
| // will not be modified. |
| entry = shallowCloneObject(entry); |
| entry.params = shallowCloneObject(entry.params); |
| |
| // Convert headers to an array. |
| var headers = []; |
| for (var key in entry.params.headers) |
| headers.push(key + ': ' + entry.params.headers[key]); |
| entry.params.headers = headers; |
| |
| return entry; |
| } |
| |
| /** |
| * Removes a cookie or unencrypted login information from a single HTTP header |
| * line, if present, and returns the modified line. Otherwise, just returns |
| * the original line. |
| */ |
| function stripCookieOrLoginInfo(line) { |
| var patterns = [ |
| // Cookie patterns |
| /^set-cookie: /i, |
| /^set-cookie2: /i, |
| /^cookie: /i, |
| |
| // Unencrypted authentication patterns |
| /^authorization: \S*\s*/i, |
| /^proxy-authorization: \S*\s*/i]; |
| |
| // Prefix will hold the first part of the string that contains no private |
| // information. If null, no part of the string contains private information. |
| var prefix = null; |
| for (var i = 0; i < patterns.length; i++) { |
| var match = patterns[i].exec(line); |
| if (match != null) { |
| prefix = match[0]; |
| break; |
| } |
| } |
| |
| // Look for authentication information from data received from the server in |
| // multi-round Negotiate authentication. |
| if (prefix === null) { |
| var challengePatterns = [ |
| /^www-authenticate: (\S*)\s*/i, |
| /^proxy-authenticate: (\S*)\s*/i]; |
| for (var i = 0; i < challengePatterns.length; i++) { |
| var match = challengePatterns[i].exec(line); |
| if (!match) |
| continue; |
| |
| // If there's no data after the scheme name, do nothing. |
| if (match[0].length == line.length) |
| break; |
| |
| // Ignore lines with commas, as they may contain lists of schemes, and |
| // the information we want to hide is Base64 encoded, so has no commas. |
| if (line.indexOf(',') >= 0) |
| break; |
| |
| // Ignore Basic and Digest authentication challenges, as they contain |
| // public information. |
| if (/^basic$/i.test(match[1]) || /^digest$/i.test(match[1])) |
| break; |
| |
| prefix = match[0]; |
| break; |
| } |
| } |
| |
| if (prefix) { |
| var suffix = line.slice(prefix.length); |
| // If private information has already been removed, keep the line as-is. |
| // This is often the case when viewing a loaded log. |
| // TODO(mmenke): Remove '[value was stripped]' check once M24 hits stable. |
| if (suffix.search(/^\[[0-9]+ bytes were stripped\]$/) == -1 && |
| suffix != '[value was stripped]') { |
| return prefix + '[' + suffix.length + ' bytes were stripped]'; |
| } |
| } |
| |
| return line; |
| } |
| |
| /** |
| * If |entry| has headers, returns a copy of |entry| with all cookie and |
| * unencrypted login text removed. Otherwise, returns original |entry| object. |
| * This is needed so that JSON log dumps can be made without affecting the |
| * source data. Converts headers stored in objects to arrays. |
| */ |
| stripCookiesAndLoginInfo = function(entry) { |
| if (!entry.params || entry.params.headers === undefined || |
| !(entry.params.headers instanceof Object)) { |
| return entry; |
| } |
| |
| // Make sure entry's headers are in an array. |
| entry = reformatHeaders(entry); |
| |
| // Duplicate the top level object, and |entry.params|. All other fields are |
| // just pointers to the original values, as they won't be modified, other than |
| // |entry.params.headers|. |
| entry = shallowCloneObject(entry); |
| entry.params = shallowCloneObject(entry.params); |
| |
| entry.params.headers = entry.params.headers.map(stripCookieOrLoginInfo); |
| return entry; |
| } |
| |
| /** |
| * Outputs the request header parameters of |entry| to |out|. |
| */ |
| function writeParamsForRequestHeaders(entry, out, consumedParams) { |
| var params = entry.params; |
| |
| if (!(typeof params.line == 'string') || !(params.headers instanceof Array)) { |
| // Unrecognized params. |
| return; |
| } |
| |
| // Strip the trailing CRLF that params.line contains. |
| var lineWithoutCRLF = params.line.replace(/\r\n$/g, ''); |
| out.writeArrowIndentedLines([lineWithoutCRLF].concat(params.headers)); |
| |
| consumedParams.line = true; |
| consumedParams.headers = true; |
| } |
| |
| /** |
| * Outputs the certificate parameters of |entry| to |out|. |
| */ |
| function writeParamsForCertificates(entry, out, consumedParams) { |
| if (!(entry.params.certificates instanceof Array)) { |
| // Unrecognized params. |
| return; |
| } |
| |
| var certs = entry.params.certificates.reduce(function(previous, current) { |
| return previous.concat(current.split('\n')); |
| }, new Array()); |
| |
| out.writeArrowKey('certificates'); |
| out.writeSpaceIndentedLines(8, certs); |
| |
| consumedParams.certificates = true; |
| } |
| |
| /** |
| * Outputs the SSL version fallback parameters of |entry| to |out|. |
| */ |
| function writeParamsForSSLVersionFallback(entry, out, consumedParams) { |
| var params = entry.params; |
| |
| if (typeof params.version_before != 'number' || |
| typeof params.version_after != 'number') { |
| // Unrecognized params. |
| return; |
| } |
| |
| var line = SSLVersionNumberToName(params.version_before) + |
| ' ==> ' + |
| SSLVersionNumberToName(params.version_after); |
| out.writeArrowIndentedLines([line]); |
| |
| consumedParams.version_before = true; |
| consumedParams.version_after = true; |
| } |
| |
| function writeParamsForProxyConfigChanged(entry, out, consumedParams) { |
| var params = entry.params; |
| |
| if (typeof params.new_config != 'object') { |
| // Unrecognized params. |
| return; |
| } |
| |
| if (typeof params.old_config == 'object') { |
| var oldConfigString = proxySettingsToString(params.old_config); |
| // The previous configuration may not be present in the case of |
| // the initial proxy settings fetch. |
| out.writeArrowKey('old_config'); |
| |
| out.writeSpaceIndentedLines(8, oldConfigString.split('\n')); |
| |
| consumedParams.old_config = true; |
| } |
| |
| var newConfigString = proxySettingsToString(params.new_config); |
| out.writeArrowKey('new_config'); |
| out.writeSpaceIndentedLines(8, newConfigString.split('\n')); |
| |
| consumedParams.new_config = true; |
| } |
| |
| function getTextForEvent(entry) { |
| var text = ''; |
| |
| if (entry.isBegin() && canCollapseBeginWithEnd(entry)) { |
| // 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 += EventTypeNames[entry.orig.type]; |
| return text; |
| } |
| |
| proxySettingsToString = function(config) { |
| if (!config) |
| return ''; |
| |
| // TODO(eroman): if |config| has unexpected properties, print it as JSON |
| // rather than hide them. |
| |
| function getProxyListString(proxies) { |
| // Older versions of Chrome would set these values as strings, whereas newer |
| // logs use arrays. |
| // TODO(eroman): This behavior changed in M27. Support for older logs can |
| // safely be removed circa M29. |
| if (Array.isArray(proxies)) { |
| var listString = proxies.join(', '); |
| if (proxies.length > 1) |
| return '[' + listString + ']'; |
| return listString; |
| } |
| return proxies; |
| } |
| |
| // The proxy settings specify up to three major fallback choices |
| // (auto-detect, custom pac url, or manual settings). |
| // We enumerate these to a list so we can later number them. |
| var modes = []; |
| |
| // Output any automatic settings. |
| if (config.auto_detect) |
| modes.push(['Auto-detect']); |
| if (config.pac_url) |
| modes.push(['PAC script: ' + config.pac_url]); |
| |
| // Output any manual settings. |
| if (config.single_proxy || config.proxy_per_scheme) { |
| var lines = []; |
| |
| if (config.single_proxy) { |
| lines.push('Proxy server: ' + getProxyListString(config.single_proxy)); |
| } else if (config.proxy_per_scheme) { |
| for (var urlScheme in config.proxy_per_scheme) { |
| if (urlScheme != 'fallback') { |
| lines.push('Proxy server for ' + urlScheme.toUpperCase() + ': ' + |
| getProxyListString(config.proxy_per_scheme[urlScheme])); |
| } |
| } |
| if (config.proxy_per_scheme.fallback) { |
| lines.push('Proxy server for everything else: ' + |
| getProxyListString(config.proxy_per_scheme.fallback)); |
| } |
| } |
| |
| // Output any proxy bypass rules. |
| if (config.bypass_list) { |
| if (config.reverse_bypass) { |
| lines.push('Reversed bypass list: '); |
| } else { |
| lines.push('Bypass list: '); |
| } |
| |
| for (var i = 0; i < config.bypass_list.length; ++i) |
| lines.push(' ' + config.bypass_list[i]); |
| } |
| |
| modes.push(lines); |
| } |
| |
| var result = []; |
| if (modes.length < 1) { |
| // If we didn't find any proxy settings modes, we are using DIRECT. |
| result.push('Use DIRECT connections.'); |
| } else if (modes.length == 1) { |
| // If there was just one mode, don't bother numbering it. |
| result.push(modes[0].join('\n')); |
| } else { |
| // Otherwise concatenate all of the modes into a numbered list |
| // (which correspond with the fallback order). |
| for (var i = 0; i < modes.length; ++i) |
| result.push(indentLines('(' + (i + 1) + ') ', modes[i])); |
| } |
| |
| if (config.source != undefined && config.source != 'UNKNOWN') |
| result.push('Source: ' + config.source); |
| |
| return result.join('\n'); |
| }; |
| |
| // End of anonymous namespace. |
| })(); |