Java tutorial
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See the License for the * specific language governing permissions and limitations * under the License. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.benchmark; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import java.io.File; import java.net.MalformedURLException; import java.net.URL; public class CommandLineUtils { public static Options getOptions() { Option iopt = new Option("i", false, "Do HEAD requests instead of GET (deprecated)"); iopt.setRequired(false); Option oopt = new Option("o", false, "Use HTTP/S 1.0 instead of 1.1 (default)"); oopt.setRequired(false); Option kopt = new Option("k", false, "Enable the HTTP KeepAlive feature, " + "i.e., perform multiple requests within one HTTP session. " + "Default is no KeepAlive"); kopt.setRequired(false); Option uopt = new Option("u", false, "Chunk entity. Default is false"); uopt.setRequired(false); Option xopt = new Option("x", false, "Use Expect-Continue. Default is false"); xopt.setRequired(false); Option gopt = new Option("g", false, "Accept GZip. Default is false"); gopt.setRequired(false); Option nopt = new Option("n", true, "Number of requests to perform for the " + "benchmarking session. The default is to just perform a single " + "request which usually leads to non-representative benchmarking " + "results"); nopt.setRequired(false); nopt.setArgName("requests"); Option copt = new Option("c", true, "Concurrency while performing the " + "benchmarking session. The default is to just use a single thread/client"); copt.setRequired(false); copt.setArgName("concurrency"); Option popt = new Option("p", true, "File containing data to POST or PUT"); popt.setRequired(false); popt.setArgName("Payload file"); Option mopt = new Option("m", true, "HTTP Method. Default is POST. " + "Possible options are GET, POST, PUT, DELETE, HEAD, OPTIONS, TRACE"); mopt.setRequired(false); mopt.setArgName("HTTP method"); Option Topt = new Option("T", true, "Content-type header to use for POST/PUT data"); Topt.setRequired(false); Topt.setArgName("content-type"); Option topt = new Option("t", true, "Client side socket timeout (in ms) - default 60 Secs"); topt.setRequired(false); topt.setArgName("socket-Timeout"); Option Hopt = new Option("H", true, "Add arbitrary header line, " + "eg. 'Accept-Encoding: gzip' inserted after all normal " + "header lines. (repeatable as -H \"h1: v1\",\"h2: v2\" etc)"); Hopt.setRequired(false); Hopt.setArgName("header"); Option vopt = new Option("v", true, "Set verbosity level - 4 and above " + "prints response content, 3 and above prints " + "information on headers, 2 and above prints response codes (404, 200, " + "etc.), 1 and above prints warnings and info"); vopt.setRequired(false); vopt.setArgName("verbosity"); Option hopt = new Option("h", false, "Display usage information"); nopt.setRequired(false); Options options = new Options(); options.addOption(iopt); options.addOption(mopt); options.addOption(uopt); options.addOption(xopt); options.addOption(gopt); options.addOption(kopt); options.addOption(nopt); options.addOption(copt); options.addOption(popt); options.addOption(Topt); options.addOption(vopt); options.addOption(Hopt); options.addOption(hopt); options.addOption(topt); options.addOption(oopt); return options; } public static void parseCommandLine(CommandLine cmd, Config config) { if (cmd.hasOption('v')) { String s = cmd.getOptionValue('v'); try { config.setVerbosity(Integer.parseInt(s)); } catch (NumberFormatException ex) { printError("Invalid verbosity level: " + s); } } if (cmd.hasOption('k')) { config.setKeepAlive(true); } if (cmd.hasOption('c')) { String s = cmd.getOptionValue('c'); try { config.setThreads(Integer.parseInt(s)); } catch (NumberFormatException ex) { printError("Invalid number for concurrency: " + s); } } if (cmd.hasOption('n')) { String s = cmd.getOptionValue('n'); try { config.setRequests(Integer.parseInt(s)); } catch (NumberFormatException ex) { printError("Invalid number of requests: " + s); } } if (cmd.hasOption('p')) { File file = new File(cmd.getOptionValue('p')); if (!file.exists()) { printError("File not found: " + file); } config.setPayloadFile(file); } if (cmd.hasOption('T')) { config.setContentType(cmd.getOptionValue('T')); } if (cmd.hasOption('i')) { config.setHeadInsteadOfGet(true); } if (cmd.hasOption('H')) { String headerStr = cmd.getOptionValue('H'); config.setHeaders(headerStr.split(",")); } if (cmd.hasOption('t')) { String t = cmd.getOptionValue('t'); try { config.setSocketTimeout(Integer.parseInt(t)); } catch (NumberFormatException ex) { printError("Invalid socket timeout: " + t); } } if (cmd.hasOption('o')) { config.setUseHttp1_0(true); } if (cmd.hasOption('m')) { config.setMethod(cmd.getOptionValue('m')); } else if (cmd.hasOption('p')) { config.setMethod("POST"); } if (cmd.hasOption('u')) { config.setUseChunking(true); } if (cmd.hasOption('x')) { config.setUseExpectContinue(true); } if (cmd.hasOption('g')) { config.setUseAcceptGZip(true); } String[] cmdargs = cmd.getArgs(); if (cmdargs.length > 0) { try { config.setUrl(new URL(cmdargs[0])); } catch (MalformedURLException e) { printError("Invalid request URL : " + cmdargs[0]); } } } static void showUsage(final Options options) { HelpFormatter formatter = new HelpFormatter(); formatter.printHelp("HttpBenchmark [options] [http://]hostname[:port]/path?query", options); } static void printError(String msg) { System.err.println(msg); showUsage(getOptions()); System.exit(-1); } }