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net/server_select.lua @ 3808:90a82720d504
net.server_select: Made some globals local.
author | Waqas Hussain <waqas20@gmail.com> |
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date | Thu, 02 Dec 2010 22:55:42 +0500 |
parent | 3805:96167ce17cff |
child | 3686:27d3e2a2a248 |
rev | line source |
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1 -- |
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2 -- server.lua by blastbeat of the luadch project |
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3 -- Re-used here under the MIT/X Consortium License |
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4 -- |
2925 | 5 -- Modifications (C) 2008-2010 Matthew Wild, Waqas Hussain |
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6 -- |
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7 |
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8 -- // wrapping luadch stuff // -- |
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9 |
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10 local use = function( what ) |
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11 return _G[ what ] |
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12 end |
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13 local clean = function( tbl ) |
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14 for i, k in pairs( tbl ) do |
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15 tbl[ i ] = nil |
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16 end |
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17 end |
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18 |
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19 local log, table_concat = require ("util.logger").init("socket"), table.concat; |
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20 local out_put = function (...) return log("debug", table_concat{...}); end |
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21 local out_error = function (...) return log("warn", table_concat{...}); end |
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22 local mem_free = collectgarbage |
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23 |
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24 ----------------------------------// DECLARATION //-- |
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25 |
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26 --// constants //-- |
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27 |
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28 local STAT_UNIT = 1 -- byte |
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29 |
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30 --// lua functions //-- |
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31 |
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32 local type = use "type" |
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33 local pairs = use "pairs" |
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34 local ipairs = use "ipairs" |
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35 local tonumber = use "tonumber" |
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36 local tostring = use "tostring" |
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37 local collectgarbage = use "collectgarbage" |
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38 |
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39 --// lua libs //-- |
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40 |
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41 local os = use "os" |
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42 local table = use "table" |
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43 local string = use "string" |
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44 local coroutine = use "coroutine" |
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45 |
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46 --// lua lib methods //-- |
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47 |
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48 local os_difftime = os.difftime |
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49 local math_min = math.min |
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50 local math_huge = math.huge |
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51 local table_concat = table.concat |
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52 local table_remove = table.remove |
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53 local string_len = string.len |
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54 local string_sub = string.sub |
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55 local coroutine_wrap = coroutine.wrap |
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56 local coroutine_yield = coroutine.yield |
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57 |
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58 --// extern libs //-- |
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59 |
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60 local luasec = use "ssl" |
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61 local luasocket = use "socket" or require "socket" |
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62 local luasocket_gettime = luasocket.gettime |
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63 |
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64 --// extern lib methods //-- |
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65 |
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66 local ssl_wrap = ( luasec and luasec.wrap ) |
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67 local socket_bind = luasocket.bind |
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68 local socket_sleep = luasocket.sleep |
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69 local socket_select = luasocket.select |
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70 local ssl_newcontext = ( luasec and luasec.newcontext ) |
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71 |
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72 --// functions //-- |
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73 |
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74 local id |
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75 local loop |
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76 local stats |
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77 local idfalse |
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78 local addtimer |
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79 local closeall |
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80 local addserver |
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81 local getserver |
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82 local wrapserver |
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83 local getsettings |
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84 local closesocket |
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85 local removesocket |
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86 local removeserver |
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87 local changetimeout |
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88 local wrapconnection |
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89 local changesettings |
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90 |
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91 --// tables //-- |
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92 |
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93 local _server |
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94 local _readlist |
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95 local _timerlist |
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96 local _sendlist |
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97 local _socketlist |
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98 local _closelist |
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99 local _readtimes |
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100 local _writetimes |
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101 |
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102 --// simple data types //-- |
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103 |
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104 local _ |
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105 local _readlistlen |
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106 local _sendlistlen |
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107 local _timerlistlen |
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108 |
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109 local _sendtraffic |
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110 local _readtraffic |
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111 |
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112 local _selecttimeout |
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113 local _sleeptime |
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114 |
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115 local _starttime |
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116 local _currenttime |
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117 |
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118 local _maxsendlen |
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119 local _maxreadlen |
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120 |
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121 local _checkinterval |
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122 local _sendtimeout |
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123 local _readtimeout |
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124 |
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125 local _cleanqueue |
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126 |
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127 local _timer |
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128 |
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129 local _maxclientsperserver |
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130 |
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131 local _maxsslhandshake |
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132 |
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133 ----------------------------------// DEFINITION //-- |
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134 |
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135 _server = { } -- key = port, value = table; list of listening servers |
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136 _readlist = { } -- array with sockets to read from |
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137 _sendlist = { } -- arrary with sockets to write to |
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138 _timerlist = { } -- array of timer functions |
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139 _socketlist = { } -- key = socket, value = wrapped socket (handlers) |
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140 _readtimes = { } -- key = handler, value = timestamp of last data reading |
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141 _writetimes = { } -- key = handler, value = timestamp of last data writing/sending |
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142 _closelist = { } -- handlers to close |
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143 |
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144 _readlistlen = 0 -- length of readlist |
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145 _sendlistlen = 0 -- length of sendlist |
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146 _timerlistlen = 0 -- lenght of timerlist |
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147 |
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148 _sendtraffic = 0 -- some stats |
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149 _readtraffic = 0 |
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150 |
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151 _selecttimeout = 1 -- timeout of socket.select |
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152 _sleeptime = 0 -- time to wait at the end of every loop |
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153 |
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154 _maxsendlen = 51000 * 1024 -- max len of send buffer |
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155 _maxreadlen = 25000 * 1024 -- max len of read buffer |
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156 |
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157 _checkinterval = 1200000 -- interval in secs to check idle clients |
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158 _sendtimeout = 60000 -- allowed send idle time in secs |
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159 _readtimeout = 6 * 60 * 60 -- allowed read idle time in secs |
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160 |
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161 _cleanqueue = false -- clean bufferqueue after using |
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162 |
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163 _maxclientsperserver = 1000 |
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164 |
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165 _maxsslhandshake = 30 -- max handshake round-trips |
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166 |
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167 ----------------------------------// PRIVATE //-- |
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168 |
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169 wrapserver = function( listeners, socket, ip, serverport, pattern, sslctx, maxconnections ) -- this function wraps a server |
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170 |
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171 maxconnections = maxconnections or _maxclientsperserver |
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172 |
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173 local connections = 0 |
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174 |
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175 local dispatch, disconnect = listeners.onconnect or listeners.onincoming, listeners.ondisconnect |
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176 |
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177 local accept = socket.accept |
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178 |
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179 --// public methods of the object //-- |
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180 |
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181 local handler = { } |
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182 |
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183 handler.shutdown = function( ) end |
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184 |
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185 handler.ssl = function( ) |
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186 return sslctx ~= nil |
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187 end |
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188 handler.sslctx = function( ) |
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189 return sslctx |
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190 end |
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191 handler.remove = function( ) |
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192 connections = connections - 1 |
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193 end |
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194 handler.close = function( ) |
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195 for _, handler in pairs( _socketlist ) do |
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196 if handler.serverport == serverport then |
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197 handler.disconnect( handler, "server closed" ) |
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198 handler:close( true ) |
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199 end |
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200 end |
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201 socket:close( ) |
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202 _sendlistlen = removesocket( _sendlist, socket, _sendlistlen ) |
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203 _readlistlen = removesocket( _readlist, socket, _readlistlen ) |
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204 _socketlist[ socket ] = nil |
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205 handler = nil |
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206 socket = nil |
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207 --mem_free( ) |
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208 out_put "server.lua: closed server handler and removed sockets from list" |
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209 end |
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210 handler.ip = function( ) |
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211 return ip |
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212 end |
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213 handler.serverport = function( ) |
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214 return serverport |
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215 end |
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216 handler.socket = function( ) |
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217 return socket |
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218 end |
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219 handler.readbuffer = function( ) |
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220 if connections > maxconnections then |
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221 out_put( "server.lua: refused new client connection: server full" ) |
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222 return false |
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223 end |
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224 local client, err = accept( socket ) -- try to accept |
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225 if client then |
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226 local ip, clientport = client:getpeername( ) |
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227 client:settimeout( 0 ) |
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228 local handler, client, err = wrapconnection( handler, listeners, client, ip, serverport, clientport, pattern, sslctx ) -- wrap new client socket |
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229 if err then -- error while wrapping ssl socket |
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230 return false |
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231 end |
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232 connections = connections + 1 |
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233 out_put( "server.lua: accepted new client connection from ", tostring(ip), ":", tostring(clientport), " to ", tostring(serverport)) |
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234 return dispatch( handler ) |
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235 elseif err then -- maybe timeout or something else |
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236 out_put( "server.lua: error with new client connection: ", tostring(err) ) |
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237 return false |
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238 end |
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239 end |
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240 return handler |
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241 end |
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242 |
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243 wrapconnection = function( server, listeners, socket, ip, serverport, clientport, pattern, sslctx ) -- this function wraps a client to a handler object |
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244 |
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245 socket:settimeout( 0 ) |
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246 |
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247 --// local import of socket methods //-- |
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248 |
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249 local send |
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250 local receive |
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251 local shutdown |
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252 |
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253 --// private closures of the object //-- |
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254 |
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255 local ssl |
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256 |
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257 local dispatch = listeners.onincoming |
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258 local status = listeners.onstatus |
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259 local disconnect = listeners.ondisconnect |
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260 local drain = listeners.ondrain |
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261 |
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262 local bufferqueue = { } -- buffer array |
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263 local bufferqueuelen = 0 -- end of buffer array |
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264 |
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265 local toclose |
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266 local fatalerror |
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267 local needtls |
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268 |
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269 local bufferlen = 0 |
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270 |
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271 local noread = false |
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272 local nosend = false |
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273 |
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274 local sendtraffic, readtraffic = 0, 0 |
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275 |
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276 local maxsendlen = _maxsendlen |
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277 local maxreadlen = _maxreadlen |
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278 |
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279 --// public methods of the object //-- |
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280 |
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281 local handler = bufferqueue -- saves a table ^_^ |
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282 |
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283 handler.dispatch = function( ) |
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284 return dispatch |
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285 end |
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286 handler.disconnect = function( ) |
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287 return disconnect |
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288 end |
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289 handler.setlistener = function( self, listeners ) |
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290 dispatch = listeners.onincoming |
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291 disconnect = listeners.ondisconnect |
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292 status = listeners.onstatus |
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293 drain = listeners.ondrain |
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294 end |
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295 handler.getstats = function( ) |
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296 return readtraffic, sendtraffic |
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297 end |
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298 handler.ssl = function( ) |
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299 return ssl |
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300 end |
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301 handler.sslctx = function ( ) |
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302 return sslctx |
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303 end |
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304 handler.send = function( _, data, i, j ) |
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305 return send( socket, data, i, j ) |
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306 end |
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307 handler.receive = function( pattern, prefix ) |
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308 return receive( socket, pattern, prefix ) |
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309 end |
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310 handler.shutdown = function( pattern ) |
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311 return shutdown( socket, pattern ) |
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312 end |
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313 handler.setoption = function (self, option, value) |
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314 if socket.setoption then |
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315 return socket:setoption(option, value); |
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316 end |
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317 return false, "setoption not implemented"; |
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318 end |
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319 handler.close = function( self, forced ) |
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320 if not handler then return true; end |
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321 _readlistlen = removesocket( _readlist, socket, _readlistlen ) |
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322 _readtimes[ handler ] = nil |
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323 if bufferqueuelen ~= 0 then |
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324 if not ( forced or fatalerror ) then |
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325 handler.sendbuffer( ) |
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326 if bufferqueuelen ~= 0 then -- try again... |
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327 if handler then |
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328 handler.write = nil -- ... but no further writing allowed |
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329 end |
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330 toclose = true |
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331 return false |
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332 end |
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333 else |
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334 send( socket, table_concat( bufferqueue, "", 1, bufferqueuelen ), 1, bufferlen ) -- forced send |
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335 end |
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336 end |
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337 if socket then |
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338 _ = shutdown and shutdown( socket ) |
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339 socket:close( ) |
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340 _sendlistlen = removesocket( _sendlist, socket, _sendlistlen ) |
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341 _socketlist[ socket ] = nil |
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342 socket = nil |
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343 else |
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344 out_put "server.lua: socket already closed" |
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345 end |
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346 if handler then |
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347 _writetimes[ handler ] = nil |
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348 _closelist[ handler ] = nil |
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349 handler = nil |
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350 end |
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351 if server then |
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352 server.remove( ) |
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353 end |
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354 out_put "server.lua: closed client handler and removed socket from list" |
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355 return true |
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356 end |
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357 handler.ip = function( ) |
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358 return ip |
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359 end |
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360 handler.serverport = function( ) |
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361 return serverport |
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362 end |
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363 handler.clientport = function( ) |
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364 return clientport |
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365 end |
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366 local write = function( self, data ) |
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367 bufferlen = bufferlen + string_len( data ) |
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368 if bufferlen > maxsendlen then |
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369 _closelist[ handler ] = "send buffer exceeded" -- cannot close the client at the moment, have to wait to the end of the cycle |
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370 handler.write = idfalse -- dont write anymore |
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371 return false |
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372 elseif socket and not _sendlist[ socket ] then |
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373 _sendlistlen = addsocket(_sendlist, socket, _sendlistlen) |
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374 end |
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375 bufferqueuelen = bufferqueuelen + 1 |
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376 bufferqueue[ bufferqueuelen ] = data |
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377 if handler then |
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378 _writetimes[ handler ] = _writetimes[ handler ] or _currenttime |
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379 end |
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380 return true |
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381 end |
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382 handler.write = write |
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383 handler.bufferqueue = function( self ) |
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384 return bufferqueue |
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385 end |
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386 handler.socket = function( self ) |
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387 return socket |
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388 end |
3001
fa00c6f563b4
net.server_select, net.server_event: Rename :pattern() method to :set_mode() for select backend, and add :set_mode() to event backend
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389 handler.set_mode = function( self, new ) |
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390 pattern = new or pattern |
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391 return pattern |
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392 end |
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393 handler.set_send = function ( self, newsend ) |
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394 send = newsend or send |
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395 return send |
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396 end |
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397 handler.bufferlen = function( self, readlen, sendlen ) |
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398 maxsendlen = sendlen or maxsendlen |
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399 maxreadlen = readlen or maxreadlen |
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400 return bufferlen, maxreadlen, maxsendlen |
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401 end |
3000
43a4cb707fe4
net.server_select, net.server_event: Support for :pause() and :resume() on connections
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402 --TODO: Deprecate |
2581
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403 handler.lock_read = function (self, switch) |
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404 if switch == true then |
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405 local tmp = _readlistlen |
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406 _readlistlen = removesocket( _readlist, socket, _readlistlen ) |
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407 _readtimes[ handler ] = nil |
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408 if _readlistlen ~= tmp then |
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409 noread = true |
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410 end |
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411 elseif switch == false then |
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412 if noread then |
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413 noread = false |
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414 _readlistlen = addsocket(_readlist, socket, _readlistlen) |
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415 _readtimes[ handler ] = _currenttime |
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416 end |
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417 end |
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418 return noread |
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419 end |
3000
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420 handler.pause = function (self) |
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421 return self:lock_read(true); |
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|
422 end |
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423 handler.resume = function (self) |
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424 return self:lock_read(false); |
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changeset
|
425 end |
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426 handler.lock = function( self, switch ) |
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changeset
|
427 handler.lock_read (switch) |
1b9f424e695e
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428 if switch == true then |
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429 handler.write = idfalse |
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430 local tmp = _sendlistlen |
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431 _sendlistlen = removesocket( _sendlist, socket, _sendlistlen ) |
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432 _writetimes[ handler ] = nil |
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433 if _sendlistlen ~= tmp then |
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diff
changeset
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434 nosend = true |
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|
435 end |
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changeset
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436 elseif switch == false then |
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437 handler.write = write |
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changeset
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438 if nosend then |
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439 nosend = false |
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440 write( "" ) |
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441 end |
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442 end |
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changeset
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443 return noread, nosend |
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444 end |
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changeset
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445 local _readbuffer = function( ) -- this function reads data |
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changeset
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446 local buffer, err, part = receive( socket, pattern ) -- receive buffer with "pattern" |
3002
d1f864ed44c0
net.server_select, net.server_event: Support for ondrain listener callback for when send buffer is empty
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3001
diff
changeset
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447 if not err or (err == "wantread" or err == "timeout") then -- received something |
2581
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448 local buffer = buffer or part or "" |
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449 local len = string_len( buffer ) |
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changeset
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450 if len > maxreadlen then |
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diff
changeset
|
451 disconnect( handler, "receive buffer exceeded" ) |
2728
3f8d9319d4a3
net.server_select: Fix calling method of some handler.close()s
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parents:
2598
diff
changeset
|
452 handler:close( true ) |
2581
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|
453 return false |
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|
454 end |
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455 local count = len * STAT_UNIT |
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diff
changeset
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456 readtraffic = readtraffic + count |
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diff
changeset
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457 _readtraffic = _readtraffic + count |
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458 _readtimes[ handler ] = _currenttime |
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459 --out_put( "server.lua: read data '", buffer:gsub("[^%w%p ]", "."), "', error: ", err ) |
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diff
changeset
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460 return dispatch( handler, buffer, err ) |
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461 else -- connections was closed or fatal error |
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diff
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|
462 out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " read error: ", tostring(err) ) |
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diff
changeset
|
463 fatalerror = true |
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diff
changeset
|
464 disconnect( handler, err ) |
2728
3f8d9319d4a3
net.server_select: Fix calling method of some handler.close()s
Matthew Wild <mwild1@gmail.com>
parents:
2598
diff
changeset
|
465 _ = handler and handler:close( ) |
2581
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|
466 return false |
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diff
changeset
|
467 end |
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diff
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|
468 end |
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diff
changeset
|
469 local _sendbuffer = function( ) -- this function sends data |
1b9f424e695e
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diff
changeset
|
470 local succ, err, byte, buffer, count; |
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diff
changeset
|
471 local count; |
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diff
changeset
|
472 if socket then |
1b9f424e695e
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2559
diff
changeset
|
473 buffer = table_concat( bufferqueue, "", 1, bufferqueuelen ) |
1b9f424e695e
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diff
changeset
|
474 succ, err, byte = send( socket, buffer, 1, bufferlen ) |
1b9f424e695e
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changeset
|
475 count = ( succ or byte or 0 ) * STAT_UNIT |
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diff
changeset
|
476 sendtraffic = sendtraffic + count |
1b9f424e695e
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diff
changeset
|
477 _sendtraffic = _sendtraffic + count |
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diff
changeset
|
478 _ = _cleanqueue and clean( bufferqueue ) |
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diff
changeset
|
479 --out_put( "server.lua: sended '", buffer, "', bytes: ", tostring(succ), ", error: ", tostring(err), ", part: ", tostring(byte), ", to: ", tostring(ip), ":", tostring(clientport) ) |
1b9f424e695e
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|
480 else |
1b9f424e695e
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diff
changeset
|
481 succ, err, count = false, "closed", 0; |
1b9f424e695e
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changeset
|
482 end |
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changeset
|
483 if succ then -- sending succesful |
1b9f424e695e
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diff
changeset
|
484 bufferqueuelen = 0 |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
485 bufferlen = 0 |
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changeset
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486 _sendlistlen = removesocket( _sendlist, socket, _sendlistlen ) -- delete socket from writelist |
1b9f424e695e
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diff
changeset
|
487 _writetimes[ handler ] = nil |
3002
d1f864ed44c0
net.server_select, net.server_event: Support for ondrain listener callback for when send buffer is empty
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3001
diff
changeset
|
488 if drain then |
d1f864ed44c0
net.server_select, net.server_event: Support for ondrain listener callback for when send buffer is empty
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3001
diff
changeset
|
489 drain(handler) |
d1f864ed44c0
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3001
diff
changeset
|
490 end |
3398
abc4a52aef02
net.server_select: Remove 'now' parameter from starttls(), and base it on whether the sendbuffer is empty instead
Matthew Wild <mwild1@gmail.com>
parents:
3382
diff
changeset
|
491 _ = needtls and handler:starttls(nil) |
2732
dabdc56561f9
net.server_select: Fix typo
Matthew Wild <mwild1@gmail.com>
parents:
2728
diff
changeset
|
492 _ = toclose and handler:close( ) |
2581
1b9f424e695e
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changeset
|
493 return true |
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diff
changeset
|
494 elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write |
1b9f424e695e
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diff
changeset
|
495 buffer = string_sub( buffer, byte + 1, bufferlen ) -- new buffer |
1b9f424e695e
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|
496 bufferqueue[ 1 ] = buffer -- insert new buffer in queue |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
497 bufferqueuelen = 1 |
1b9f424e695e
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498 bufferlen = bufferlen - byte |
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499 _writetimes[ handler ] = _currenttime |
1b9f424e695e
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changeset
|
500 return true |
1b9f424e695e
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changeset
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501 else -- connection was closed during sending or fatal error |
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|
502 out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " write error: ", tostring(err) ) |
1b9f424e695e
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changeset
|
503 fatalerror = true |
1b9f424e695e
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changeset
|
504 disconnect( handler, err ) |
2728
3f8d9319d4a3
net.server_select: Fix calling method of some handler.close()s
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2598
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changeset
|
505 _ = handler and handler:close( ) |
2581
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506 return false |
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|
507 end |
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|
508 end |
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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parents:
2312
diff
changeset
|
509 |
2581
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|
510 -- Set the sslctx |
1b9f424e695e
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changeset
|
511 local handshake; |
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changeset
|
512 function handler.set_sslctx(self, new_sslctx) |
1b9f424e695e
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diff
changeset
|
513 ssl = true |
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diff
changeset
|
514 sslctx = new_sslctx; |
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changeset
|
515 local wrote |
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|
516 local read |
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|
517 handshake = coroutine_wrap( function( client ) -- create handshake coroutine |
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|
518 local err |
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519 for i = 1, _maxsslhandshake do |
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520 _sendlistlen = ( wrote and removesocket( _sendlist, client, _sendlistlen ) ) or _sendlistlen |
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521 _readlistlen = ( read and removesocket( _readlist, client, _readlistlen ) ) or _readlistlen |
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changeset
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522 read, wrote = nil, nil |
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523 _, err = client:dohandshake( ) |
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524 if not err then |
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|
525 out_put( "server.lua: ssl handshake done" ) |
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changeset
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526 handler.readbuffer = _readbuffer -- when handshake is done, replace the handshake function with regular functions |
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changeset
|
527 handler.sendbuffer = _sendbuffer |
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|
528 _ = status and status( handler, "ssl-handshake-complete" ) |
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|
529 _readlistlen = addsocket(_readlist, client, _readlistlen) |
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|
530 return true |
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changeset
|
531 else |
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changeset
|
532 out_put( "server.lua: error during ssl handshake: ", tostring(err) ) |
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changeset
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533 if err == "wantwrite" and not wrote then |
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changeset
|
534 _sendlistlen = addsocket(_sendlist, client, _sendlistlen) |
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535 wrote = true |
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changeset
|
536 elseif err == "wantread" and not read then |
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changeset
|
537 _readlistlen = addsocket(_readlist, client, _readlistlen) |
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changeset
|
538 read = true |
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changeset
|
539 else |
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diff
changeset
|
540 break; |
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changeset
|
541 end |
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changeset
|
542 --coroutine_yield( handler, nil, err ) -- handshake not finished |
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changeset
|
543 coroutine_yield( ) |
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changeset
|
544 end |
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changeset
|
545 end |
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changeset
|
546 disconnect( handler, "ssl handshake failed" ) |
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547 _ = handler and handler:close( true ) -- forced disconnect |
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548 return false -- handshake failed |
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changeset
|
549 end |
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diff
changeset
|
550 ) |
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changeset
|
551 end |
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552 if luasec then |
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|
553 if sslctx then -- ssl? |
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|
554 handler:set_sslctx(sslctx); |
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555 out_put("server.lua: ", "starting ssl handshake") |
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|
556 local err |
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557 socket, err = ssl_wrap( socket, sslctx ) -- wrap socket |
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558 if err then |
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559 out_put( "server.lua: ssl error: ", tostring(err) ) |
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|
560 --mem_free( ) |
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561 return nil, nil, err -- fatal error |
2581
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|
562 end |
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diff
changeset
|
563 socket:settimeout( 0 ) |
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diff
changeset
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564 handler.readbuffer = handshake |
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changeset
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565 handler.sendbuffer = handshake |
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changeset
|
566 handshake( socket ) -- do handshake |
2582
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567 if not socket then |
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|
568 return nil, nil, "ssl handshake failed"; |
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|
569 end |
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|
570 else |
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changeset
|
571 local sslctx; |
3398
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|
572 handler.starttls = function( self, _sslctx) |
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|
573 if _sslctx then |
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|
574 sslctx = _sslctx; |
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|
575 handler:set_sslctx(sslctx); |
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changeset
|
576 end |
3398
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577 if bufferqueuelen > 0 then |
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diff
changeset
|
578 out_put "server.lua: we need to do tls, but delaying until send buffer empty" |
2582
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|
579 needtls = true |
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changeset
|
580 return |
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changeset
|
581 end |
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changeset
|
582 out_put( "server.lua: attempting to start tls on " .. tostring( socket ) ) |
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diff
changeset
|
583 local oldsocket, err = socket |
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changeset
|
584 socket, err = ssl_wrap( socket, sslctx ) -- wrap socket |
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changeset
|
585 --out_put( "server.lua: sslwrapped socket is " .. tostring( socket ) ) |
d6afb6d919df
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changeset
|
586 if err then |
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|
587 out_put( "server.lua: error while starting tls on client: ", tostring(err) ) |
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|
588 return nil, err -- fatal error |
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changeset
|
589 end |
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changeset
|
590 |
d6afb6d919df
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changeset
|
591 socket:settimeout( 0 ) |
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changeset
|
592 |
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changeset
|
593 -- add the new socket to our system |
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diff
changeset
|
594 |
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changeset
|
595 send = socket.send |
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|
596 receive = socket.receive |
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changeset
|
597 shutdown = id |
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diff
changeset
|
598 |
d6afb6d919df
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diff
changeset
|
599 _socketlist[ socket ] = handler |
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|
600 _readlistlen = addsocket(_readlist, socket, _readlistlen) |
d6afb6d919df
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diff
changeset
|
601 |
d6afb6d919df
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2581
diff
changeset
|
602 -- remove traces of the old socket |
d6afb6d919df
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diff
changeset
|
603 |
d6afb6d919df
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diff
changeset
|
604 _readlistlen = removesocket( _readlist, oldsocket, _readlistlen ) |
d6afb6d919df
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changeset
|
605 _sendlistlen = removesocket( _sendlist, oldsocket, _sendlistlen ) |
d6afb6d919df
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changeset
|
606 _socketlist[ oldsocket ] = nil |
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diff
changeset
|
607 |
d6afb6d919df
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changeset
|
608 handler.starttls = nil |
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diff
changeset
|
609 needtls = nil |
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diff
changeset
|
610 |
d6afb6d919df
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diff
changeset
|
611 -- Secure now |
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diff
changeset
|
612 ssl = true |
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diff
changeset
|
613 |
d6afb6d919df
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diff
changeset
|
614 handler.readbuffer = handshake |
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diff
changeset
|
615 handler.sendbuffer = handshake |
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diff
changeset
|
616 handshake( socket ) -- do handshake |
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diff
changeset
|
617 end |
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changeset
|
618 handler.readbuffer = _readbuffer |
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2581
diff
changeset
|
619 handler.sendbuffer = _sendbuffer |
2581
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diff
changeset
|
620 end |
2597
40a174e8cdf6
net.server_select: Fix traceback with no LuaSec available (thanks Nolan)
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2582
diff
changeset
|
621 else |
40a174e8cdf6
net.server_select: Fix traceback with no LuaSec available (thanks Nolan)
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parents:
2582
diff
changeset
|
622 handler.readbuffer = _readbuffer |
40a174e8cdf6
net.server_select: Fix traceback with no LuaSec available (thanks Nolan)
Matthew Wild <mwild1@gmail.com>
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changeset
|
623 handler.sendbuffer = _sendbuffer |
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|
624 end |
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|
625 send = socket.send |
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changeset
|
626 receive = socket.receive |
1b9f424e695e
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changeset
|
627 shutdown = ( ssl and id ) or socket.shutdown |
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
628 |
2581
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diff
changeset
|
629 _socketlist[ socket ] = handler |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
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diff
changeset
|
630 _readlistlen = addsocket(_readlist, socket, _readlistlen) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
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diff
changeset
|
631 return handler, socket |
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changeset
|
632 end |
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net.server_select, net.server_event: Convert to unix line endings from Windows
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changeset
|
633 |
a831de056de3
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Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
634 id = function( ) |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
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changeset
|
635 end |
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net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
636 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
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changeset
|
637 idfalse = function( ) |
2581
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parents:
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diff
changeset
|
638 return false |
2318
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parents:
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changeset
|
639 end |
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net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
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changeset
|
640 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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changeset
|
641 addsocket = function( list, socket, len ) |
2581
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net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
642 if not list[ socket ] then |
1b9f424e695e
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diff
changeset
|
643 len = len + 1 |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
644 list[ len ] = socket |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
645 list[ socket ] = len |
1b9f424e695e
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changeset
|
646 end |
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changeset
|
647 return len; |
2318
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648 end |
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changeset
|
649 |
2581
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changeset
|
650 removesocket = function( list, socket, len ) -- this function removes sockets from a list ( copied from copas ) |
1b9f424e695e
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changeset
|
651 local pos = list[ socket ] |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
652 if pos then |
1b9f424e695e
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diff
changeset
|
653 list[ socket ] = nil |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
654 local last = list[ len ] |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
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diff
changeset
|
655 list[ len ] = nil |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
656 if last ~= socket then |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
657 list[ last ] = pos |
1b9f424e695e
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changeset
|
658 list[ pos ] = last |
1b9f424e695e
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changeset
|
659 end |
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changeset
|
660 return len - 1 |
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changeset
|
661 end |
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changeset
|
662 return len |
2318
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|
663 end |
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changeset
|
664 |
a831de056de3
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changeset
|
665 closesocket = function( socket ) |
2581
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|
666 _sendlistlen = removesocket( _sendlist, socket, _sendlistlen ) |
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changeset
|
667 _readlistlen = removesocket( _readlist, socket, _readlistlen ) |
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changeset
|
668 _socketlist[ socket ] = nil |
1b9f424e695e
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diff
changeset
|
669 socket:close( ) |
1b9f424e695e
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changeset
|
670 --mem_free( ) |
2318
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changeset
|
671 end |
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diff
changeset
|
672 |
3003
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
673 local function link(sender, receiver, buffersize) |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
674 local sender_locked; |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
675 local _sendbuffer = receiver.sendbuffer; |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
676 function receiver.sendbuffer() |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
677 _sendbuffer(); |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
678 if sender_locked and receiver.bufferlen() < buffersize then |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
679 sender:lock_read(false); -- Unlock now |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
680 sender_locked = nil; |
48871a549b4c
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Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
681 end |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
682 end |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
683 |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
684 local _readbuffer = sender.readbuffer; |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
685 function sender.readbuffer() |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
686 _readbuffer(); |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
687 if not sender_locked and receiver.bufferlen() >= buffersize then |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
688 sender_locked = true; |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
689 sender:lock_read(true); |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
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diff
changeset
|
690 end |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
691 end |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
692 end |
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
693 |
2318
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Matthew Wild <mwild1@gmail.com>
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changeset
|
694 ----------------------------------// PUBLIC //-- |
a831de056de3
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diff
changeset
|
695 |
2581
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diff
changeset
|
696 addserver = function( addr, port, listeners, pattern, sslctx ) -- this function provides a way for other scripts to reg a server |
1b9f424e695e
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diff
changeset
|
697 local err |
1b9f424e695e
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diff
changeset
|
698 if type( listeners ) ~= "table" then |
1b9f424e695e
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2559
diff
changeset
|
699 err = "invalid listener table" |
1b9f424e695e
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changeset
|
700 end |
2968 | 701 if type( port ) ~= "number" or not ( port >= 0 and port <= 65535 ) then |
2581
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diff
changeset
|
702 err = "invalid port" |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
703 elseif _server[ port ] then |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
704 err = "listeners on port '" .. port .. "' already exist" |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
705 elseif sslctx and not luasec then |
1b9f424e695e
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diff
changeset
|
706 err = "luasec not found" |
1b9f424e695e
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changeset
|
707 end |
1b9f424e695e
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changeset
|
708 if err then |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
709 out_error( "server.lua, port ", port, ": ", err ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
710 return nil, err |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
711 end |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
712 addr = addr or "*" |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
713 local server, err = socket_bind( addr, port ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
714 if err then |
1b9f424e695e
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diff
changeset
|
715 out_error( "server.lua, port ", port, ": ", err ) |
1b9f424e695e
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changeset
|
716 return nil, err |
1b9f424e695e
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changeset
|
717 end |
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diff
changeset
|
718 local handler, err = wrapserver( listeners, server, addr, port, pattern, sslctx, _maxclientsperserver ) -- wrap new server socket |
1b9f424e695e
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changeset
|
719 if not handler then |
1b9f424e695e
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diff
changeset
|
720 server:close( ) |
1b9f424e695e
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diff
changeset
|
721 return nil, err |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
722 end |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
723 server:settimeout( 0 ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
724 _readlistlen = addsocket(_readlist, server, _readlistlen) |
1b9f424e695e
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diff
changeset
|
725 _server[ port ] = handler |
1b9f424e695e
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|
726 _socketlist[ server ] = handler |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
727 out_put( "server.lua: new "..(sslctx and "ssl " or "").."server listener on '", addr, ":", port, "'" ) |
1b9f424e695e
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parents:
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|
728 return handler |
2318
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diff
changeset
|
729 end |
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changeset
|
730 |
a831de056de3
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Matthew Wild <mwild1@gmail.com>
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changeset
|
731 getserver = function ( port ) |
a831de056de3
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|
732 return _server[ port ]; |
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changeset
|
733 end |
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|
734 |
a831de056de3
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diff
changeset
|
735 removeserver = function( port ) |
2581
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diff
changeset
|
736 local handler = _server[ port ] |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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changeset
|
737 if not handler then |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
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diff
changeset
|
738 return nil, "no server found on port '" .. tostring( port ) .. "'" |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
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changeset
|
739 end |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
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diff
changeset
|
740 handler:close( ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
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diff
changeset
|
741 _server[ port ] = nil |
1b9f424e695e
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parents:
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diff
changeset
|
742 return true |
2318
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changeset
|
743 end |
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parents:
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changeset
|
744 |
a831de056de3
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diff
changeset
|
745 closeall = function( ) |
2581
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diff
changeset
|
746 for _, handler in pairs( _socketlist ) do |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
747 handler:close( ) |
1b9f424e695e
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Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
748 _socketlist[ _ ] = nil |
1b9f424e695e
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diff
changeset
|
749 end |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
750 _readlistlen = 0 |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
751 _sendlistlen = 0 |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
752 _timerlistlen = 0 |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
753 _server = { } |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
754 _readlist = { } |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
755 _sendlist = { } |
1b9f424e695e
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parents:
2559
diff
changeset
|
756 _timerlist = { } |
1b9f424e695e
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parents:
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diff
changeset
|
757 _socketlist = { } |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
758 --mem_free( ) |
2318
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diff
changeset
|
759 end |
a831de056de3
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changeset
|
760 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
761 getsettings = function( ) |
2581
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diff
changeset
|
762 return _selecttimeout, _sleeptime, _maxsendlen, _maxreadlen, _checkinterval, _sendtimeout, _readtimeout, _cleanqueue, _maxclientsperserver, _maxsslhandshake |
2318
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changeset
|
763 end |
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changeset
|
764 |
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diff
changeset
|
765 changesettings = function( new ) |
2581
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diff
changeset
|
766 if type( new ) ~= "table" then |
1b9f424e695e
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parents:
2559
diff
changeset
|
767 return nil, "invalid settings table" |
1b9f424e695e
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parents:
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diff
changeset
|
768 end |
1b9f424e695e
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parents:
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diff
changeset
|
769 _selecttimeout = tonumber( new.timeout ) or _selecttimeout |
1b9f424e695e
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diff
changeset
|
770 _sleeptime = tonumber( new.sleeptime ) or _sleeptime |
1b9f424e695e
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changeset
|
771 _maxsendlen = tonumber( new.maxsendlen ) or _maxsendlen |
1b9f424e695e
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diff
changeset
|
772 _maxreadlen = tonumber( new.maxreadlen ) or _maxreadlen |
1b9f424e695e
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diff
changeset
|
773 _checkinterval = tonumber( new.checkinterval ) or _checkinterval |
1b9f424e695e
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parents:
2559
diff
changeset
|
774 _sendtimeout = tonumber( new.sendtimeout ) or _sendtimeout |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
775 _readtimeout = tonumber( new.readtimeout ) or _readtimeout |
1b9f424e695e
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diff
changeset
|
776 _cleanqueue = new.cleanqueue |
1b9f424e695e
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diff
changeset
|
777 _maxclientsperserver = new._maxclientsperserver or _maxclientsperserver |
1b9f424e695e
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2559
diff
changeset
|
778 _maxsslhandshake = new._maxsslhandshake or _maxsslhandshake |
1b9f424e695e
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diff
changeset
|
779 return true |
2318
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diff
changeset
|
780 end |
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changeset
|
781 |
a831de056de3
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changeset
|
782 addtimer = function( listener ) |
2581
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diff
changeset
|
783 if type( listener ) ~= "function" then |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
784 return nil, "invalid listener function" |
1b9f424e695e
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changeset
|
785 end |
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diff
changeset
|
786 _timerlistlen = _timerlistlen + 1 |
1b9f424e695e
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diff
changeset
|
787 _timerlist[ _timerlistlen ] = listener |
1b9f424e695e
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changeset
|
788 return true |
2318
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diff
changeset
|
789 end |
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changeset
|
790 |
a831de056de3
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changeset
|
791 stats = function( ) |
2581
1b9f424e695e
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diff
changeset
|
792 return _readtraffic, _sendtraffic, _readlistlen, _sendlistlen, _timerlistlen |
2318
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diff
changeset
|
793 end |
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changeset
|
794 |
3491
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
Matthew Wild <mwild1@gmail.com>
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3458
diff
changeset
|
795 local quitting; |
2318
a831de056de3
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diff
changeset
|
796 |
a831de056de3
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changeset
|
797 setquitting = function (quit) |
3491
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3458
diff
changeset
|
798 quitting = not not quit; |
2318
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changeset
|
799 end |
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changeset
|
800 |
3491
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diff
changeset
|
801 loop = function(once) -- this is the main loop of the program |
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
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3458
diff
changeset
|
802 if quitting then return "quitting"; end |
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
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diff
changeset
|
803 if once then quitting = "once"; end |
3805
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
Waqas Hussain <waqas20@gmail.com>
parents:
3543
diff
changeset
|
804 local next_timer_time = math_huge; |
3491
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
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diff
changeset
|
805 repeat |
3805
96167ce17cff
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Waqas Hussain <waqas20@gmail.com>
parents:
3543
diff
changeset
|
806 local read, write, err = socket_select( _readlist, _sendlist, math_min(_selecttimeout, next_timer_time) ) |
2581
1b9f424e695e
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diff
changeset
|
807 for i, socket in ipairs( write ) do -- send data waiting in writequeues |
1b9f424e695e
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changeset
|
808 local handler = _socketlist[ socket ] |
1b9f424e695e
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changeset
|
809 if handler then |
1b9f424e695e
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changeset
|
810 handler.sendbuffer( ) |
1b9f424e695e
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changeset
|
811 else |
1b9f424e695e
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diff
changeset
|
812 closesocket( socket ) |
1b9f424e695e
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changeset
|
813 out_put "server.lua: found no handler and closed socket (writelist)" -- this should not happen |
1b9f424e695e
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changeset
|
814 end |
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|
815 end |
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diff
changeset
|
816 for i, socket in ipairs( read ) do -- receive data |
1b9f424e695e
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changeset
|
817 local handler = _socketlist[ socket ] |
1b9f424e695e
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changeset
|
818 if handler then |
1b9f424e695e
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changeset
|
819 handler.readbuffer( ) |
1b9f424e695e
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changeset
|
820 else |
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changeset
|
821 closesocket( socket ) |
1b9f424e695e
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changeset
|
822 out_put "server.lua: found no handler and closed socket (readlist)" -- this can happen |
1b9f424e695e
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changeset
|
823 end |
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changeset
|
824 end |
1b9f424e695e
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diff
changeset
|
825 for handler, err in pairs( _closelist ) do |
1b9f424e695e
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changeset
|
826 handler.disconnect( )( handler, err ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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|
827 handler:close( true ) -- forced disconnect |
1b9f424e695e
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|
828 end |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
829 clean( _closelist ) |
3805
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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|
830 _currenttime = luasocket_gettime( ) |
96167ce17cff
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parents:
3543
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changeset
|
831 if _currenttime - _timer >= math_min(next_timer_time, 1) then |
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
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parents:
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diff
changeset
|
832 next_timer_time = math_huge; |
2581
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changeset
|
833 for i = 1, _timerlistlen do |
3805
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
834 local t = _timerlist[ i ]( _currenttime ) -- fire timers |
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
Waqas Hussain <waqas20@gmail.com>
parents:
3543
diff
changeset
|
835 if t then next_timer_time = math_min(next_timer_time, t); end |
2581
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diff
changeset
|
836 end |
1b9f424e695e
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parents:
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diff
changeset
|
837 _timer = _currenttime |
3805
96167ce17cff
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Waqas Hussain <waqas20@gmail.com>
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diff
changeset
|
838 else |
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
Waqas Hussain <waqas20@gmail.com>
parents:
3543
diff
changeset
|
839 next_timer_time = next_timer_time - (_currenttime - _timer); |
2581
1b9f424e695e
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changeset
|
840 end |
1b9f424e695e
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Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
841 socket_sleep( _sleeptime ) -- wait some time |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
842 --collectgarbage( ) |
3491
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
Matthew Wild <mwild1@gmail.com>
parents:
3458
diff
changeset
|
843 until quitting; |
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
Matthew Wild <mwild1@gmail.com>
parents:
3458
diff
changeset
|
844 if once and quitting == "once" then quitting = nil; return; end |
2581
1b9f424e695e
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parents:
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diff
changeset
|
845 return "quitting" |
2318
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changeset
|
846 end |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
847 |
3491
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
Matthew Wild <mwild1@gmail.com>
parents:
3458
diff
changeset
|
848 step = function () |
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
Matthew Wild <mwild1@gmail.com>
parents:
3458
diff
changeset
|
849 return loop(true); |
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
Matthew Wild <mwild1@gmail.com>
parents:
3458
diff
changeset
|
850 end |
e8c06d20a18b
net.server_select: Add server.step() to run through a single iteration of the event loop
Matthew Wild <mwild1@gmail.com>
parents:
3458
diff
changeset
|
851 |
2339
b04014f42fce
net.server_select: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents:
2318
diff
changeset
|
852 local function get_backend() |
b04014f42fce
net.server_select: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents:
2318
diff
changeset
|
853 return "select"; |
b04014f42fce
net.server_select: Add get_backend() method
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parents:
2318
diff
changeset
|
854 end |
b04014f42fce
net.server_select: Add get_backend() method
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parents:
2318
diff
changeset
|
855 |
2318
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diff
changeset
|
856 --// EXPERIMENTAL //-- |
a831de056de3
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diff
changeset
|
857 |
2541
2febd008214e
net.server_select: Remove startssl parameter to the client/server creation functions - passing a sslctx now indicates you want to use SSL from the start
Matthew Wild <mwild1@gmail.com>
parents:
2478
diff
changeset
|
858 local wrapclient = function( socket, ip, serverport, listeners, pattern, sslctx ) |
2581
1b9f424e695e
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diff
changeset
|
859 local handler = wrapconnection( nil, listeners, socket, ip, serverport, "clientport", pattern, sslctx ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
860 _socketlist[ socket ] = handler |
1b9f424e695e
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parents:
2559
diff
changeset
|
861 _sendlistlen = addsocket(_sendlist, socket, _sendlistlen) |
3382
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
Matthew Wild <mwild1@gmail.com>
parents:
3312
diff
changeset
|
862 if listeners.onconnect then |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
863 -- When socket is writeable, call onconnect |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
864 local _sendbuffer = handler.sendbuffer; |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
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parents:
3312
diff
changeset
|
865 handler.sendbuffer = function () |
3543
90b21508ac27
net.server_select: Restore real sendbuffer() before calling onconnect handler, in case onconnect sends data and the socket is still writeable (causing stack overflow into sendbuffer()/onconnect())
Matthew Wild <mwild1@gmail.com>
parents:
3491
diff
changeset
|
866 handler.sendbuffer = _sendbuffer; |
3382
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
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parents:
3312
diff
changeset
|
867 listeners.onconnect(handler); |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
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parents:
3312
diff
changeset
|
868 -- If there was data with the incoming packet, handle it now. |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
Matthew Wild <mwild1@gmail.com>
parents:
3312
diff
changeset
|
869 if #handler:bufferqueue() > 0 then |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
Matthew Wild <mwild1@gmail.com>
parents:
3312
diff
changeset
|
870 return _sendbuffer(); |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
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parents:
3312
diff
changeset
|
871 end |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
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parents:
3312
diff
changeset
|
872 end |
fea0f8e19e4c
net.server_select: Ensure that onconnect is called for server sockets as well as clients, rather than onincoming. Fixes mod_console traceback, issue #197
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parents:
3312
diff
changeset
|
873 end |
2581
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diff
changeset
|
874 return handler, socket |
2318
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changeset
|
875 end |
a831de056de3
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diff
changeset
|
876 |
2541
2febd008214e
net.server_select: Remove startssl parameter to the client/server creation functions - passing a sslctx now indicates you want to use SSL from the start
Matthew Wild <mwild1@gmail.com>
parents:
2478
diff
changeset
|
877 local addclient = function( address, port, listeners, pattern, sslctx ) |
2581
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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diff
changeset
|
878 local client, err = luasocket.tcp( ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
879 if err then |
1b9f424e695e
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2559
diff
changeset
|
880 return nil, err |
1b9f424e695e
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parents:
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diff
changeset
|
881 end |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
882 client:settimeout( 0 ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
883 _, err = client:connect( address, port ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
884 if err then -- try again |
1b9f424e695e
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parents:
2559
diff
changeset
|
885 local handler = wrapclient( client, address, port, listeners ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
886 else |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
887 wrapconnection( nil, listeners, client, address, port, "clientport", pattern, sslctx ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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parents:
2559
diff
changeset
|
888 end |
2318
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changeset
|
889 end |
a831de056de3
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diff
changeset
|
890 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
891 --// EXPERIMENTAL //-- |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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parents:
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diff
changeset
|
892 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
893 ----------------------------------// BEGIN //-- |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
894 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
895 use "setmetatable" ( _socketlist, { __mode = "k" } ) |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
896 use "setmetatable" ( _readtimes, { __mode = "k" } ) |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
897 use "setmetatable" ( _writetimes, { __mode = "k" } ) |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
898 |
3805
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
Waqas Hussain <waqas20@gmail.com>
parents:
3543
diff
changeset
|
899 _timer = luasocket_gettime( ) |
96167ce17cff
net.server_select: Make changes required for sub-second timer precision.
Waqas Hussain <waqas20@gmail.com>
parents:
3543
diff
changeset
|
900 _starttime = luasocket_gettime( ) |
2318
a831de056de3
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diff
changeset
|
901 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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diff
changeset
|
902 addtimer( function( ) |
2581
1b9f424e695e
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2559
diff
changeset
|
903 local difftime = os_difftime( _currenttime - _starttime ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
904 if difftime > _checkinterval then |
1b9f424e695e
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2559
diff
changeset
|
905 _starttime = _currenttime |
1b9f424e695e
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2559
diff
changeset
|
906 for handler, timestamp in pairs( _writetimes ) do |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
907 if os_difftime( _currenttime - timestamp ) > _sendtimeout then |
1b9f424e695e
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2559
diff
changeset
|
908 --_writetimes[ handler ] = nil |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
909 handler.disconnect( )( handler, "send timeout" ) |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
910 handler:close( true ) -- forced disconnect |
1b9f424e695e
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diff
changeset
|
911 end |
1b9f424e695e
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2559
diff
changeset
|
912 end |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
913 for handler, timestamp in pairs( _readtimes ) do |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
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2559
diff
changeset
|
914 if os_difftime( _currenttime - timestamp ) > _readtimeout then |
1b9f424e695e
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2559
diff
changeset
|
915 --_readtimes[ handler ] = nil |
1b9f424e695e
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2559
diff
changeset
|
916 handler.disconnect( )( handler, "read timeout" ) |
1b9f424e695e
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diff
changeset
|
917 handler:close( ) -- forced disconnect? |
1b9f424e695e
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diff
changeset
|
918 end |
1b9f424e695e
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changeset
|
919 end |
1b9f424e695e
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2559
diff
changeset
|
920 end |
1b9f424e695e
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diff
changeset
|
921 end |
2318
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changeset
|
922 ) |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
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2312
diff
changeset
|
923 |
2424
7d3b071e3b5b
net.server_select: Fix oops in last commit
Matthew Wild <mwild1@gmail.com>
parents:
2423
diff
changeset
|
924 local function setlogger(new_logger) |
2423
0597c553acf2
net.server_select: Allow setting the logger using server.setlogger
Matthew Wild <mwild1@gmail.com>
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2339
diff
changeset
|
925 local old_logger = log; |
0597c553acf2
net.server_select: Allow setting the logger using server.setlogger
Matthew Wild <mwild1@gmail.com>
parents:
2339
diff
changeset
|
926 if new_logger then |
0597c553acf2
net.server_select: Allow setting the logger using server.setlogger
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parents:
2339
diff
changeset
|
927 log = new_logger; |
0597c553acf2
net.server_select: Allow setting the logger using server.setlogger
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2339
diff
changeset
|
928 end |
0597c553acf2
net.server_select: Allow setting the logger using server.setlogger
Matthew Wild <mwild1@gmail.com>
parents:
2339
diff
changeset
|
929 return old_logger; |
0597c553acf2
net.server_select: Allow setting the logger using server.setlogger
Matthew Wild <mwild1@gmail.com>
parents:
2339
diff
changeset
|
930 end |
0597c553acf2
net.server_select: Allow setting the logger using server.setlogger
Matthew Wild <mwild1@gmail.com>
parents:
2339
diff
changeset
|
931 |
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2312
diff
changeset
|
932 ----------------------------------// PUBLIC INTERFACE //-- |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2312
diff
changeset
|
933 |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2312
diff
changeset
|
934 return { |
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2312
diff
changeset
|
935 |
2581
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
936 addclient = addclient, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
937 wrapclient = wrapclient, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
938 |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
939 loop = loop, |
3003
48871a549b4c
net.server_select, net.server_event: Add server.link() to link 2 connections with an intermediate buffer of the specified size
Matthew Wild <mwild1@gmail.com>
parents:
3002
diff
changeset
|
940 link = link, |
2581
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
941 stats = stats, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
942 closeall = closeall, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
943 addtimer = addtimer, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
944 addserver = addserver, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
945 getserver = getserver, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
946 setlogger = setlogger, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
947 getsettings = getsettings, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
948 setquitting = setquitting, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
949 removeserver = removeserver, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
950 get_backend = get_backend, |
1b9f424e695e
net.server_select: *Major* whitespace refactoring to meet Prosody's coding style guidelines, we now have tabs
Matthew Wild <mwild1@gmail.com>
parents:
2559
diff
changeset
|
951 changesettings = changesettings, |
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2312
diff
changeset
|
952 } |