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annotate third_party/wrk/SCRIPTING @ 279:b3b547563ec7

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Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
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178
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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1 Overview
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2
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3 wrk supports executing a LuaJIT script during three distinct phases: setup,
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4 running, and done. Each wrk thread has an independent scripting environment
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5 and the setup & done phases execute in a separate environment which does
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6 not participate in the running phase.
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7
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8 The public Lua API consists of a global table and a number of global
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9 functions:
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10
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11 wrk = {
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12 scheme = "http",
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13 host = "localhost",
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14 port = nil,
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15 method = "GET",
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16 path = "/",
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17 headers = {},
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18 body = nil,
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19 thread = <userdata>,
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20 }
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21
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22 function wrk.format(method, path, headers, body)
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23
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24 wrk.format returns a HTTP request string containing the passed parameters
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25 merged with values from the wrk table.
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26
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27 function wrk.lookup(host, service)
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28
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29 wrk.lookup returns a table containing all known addresses for the host
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30 and service pair. This corresponds to the POSIX getaddrinfo() function.
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31
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32 function wrk.connect(addr)
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33
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34 wrk.connect returns true if the address can be connected to, otherwise
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35 it returns false. The address must be one returned from wrk.lookup().
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36
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37 The following globals are optional, and if defined must be functions:
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38
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39 global setup -- called during thread setup
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40 global init -- called when the thread is starting
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41 global delay -- called to get the request delay
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42 global request -- called to generate the HTTP request
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43 global response -- called with HTTP response data
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44 global done -- called with results of run
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45
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46 Setup
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47
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48 function setup(thread)
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49
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50 The setup phase begins after the target IP address has been resolved and all
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51 threads have been initialized but not yet started.
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52
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53 setup() is called once for each thread and receives a userdata object
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54 representing the thread.
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55
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56 thread.addr - get or set the thread's server address
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57 thread:get(name) - get the value of a global in the thread's env
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58 thread:set(name, value) - set the value of a global in the thread's env
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59 thread:stop() - stop the thread
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60
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61 Only boolean, nil, number, and string values or tables of the same may be
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62 transfered via get()/set() and thread:stop() can only be called while the
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63 thread is running.
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64
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65 Running
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66
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67 function init(args)
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68 function delay()
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69 function request()
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70 function response(status, headers, body)
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71
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72 The running phase begins with a single call to init(), followed by
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73 a call to request() and response() for each request cycle.
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74
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75 The init() function receives any extra command line arguments for the
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76 script which must be separated from wrk arguments with "--".
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77
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78 delay() returns the number of milliseconds to delay sending the next
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79 request.
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80
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81 request() returns a string containing the HTTP request. Building a new
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82 request each time is expensive, when testing a high performance server
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83 one solution is to pre-generate all requests in init() and do a quick
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84 lookup in request().
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85
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86 response() is called with the HTTP response status, headers, and body.
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87 Parsing the headers and body is expensive, so if the response global is
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88 nil after the call to init() wrk will ignore the headers and body.
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89
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90 Done
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91
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92 function done(summary, latency, requests)
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93
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94 The done() function receives a table containing result data, and two
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95 statistics objects representing the per-request latency and per-thread
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96 request rate. Duration and latency are microsecond values and rate is
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97 measured in requests per second.
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98
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99 latency.min -- minimum value seen
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100 latency.max -- maximum value seen
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101 latency.mean -- average value seen
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102 latency.stdev -- standard deviation
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103 latency:percentile(99.0) -- 99th percentile value
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104 latency(i) -- raw value and count
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105
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106 summary = {
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107 duration = N, -- run duration in microseconds
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108 requests = N, -- total completed requests
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109 bytes = N, -- total bytes received
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110 errors = {
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111 connect = N, -- total socket connection errors
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112 read = N, -- total socket read errors
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113 write = N, -- total socket write errors
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114 status = N, -- total HTTP status codes > 399
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115 timeout = N -- total request timeouts
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116 }
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117 }