prosody
23b9cd1206ba
net/server.lua

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net/server.lua @ 581:23b9cd1206ba

Remove old commented code from server.lua
author Matthew Wild <mwild1@gmail.com>
date Sat, 06 Dec 2008 23:12:46 +0000
parent 567:ae7f6167d780
child 620:9f9f69d67edb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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528
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1 --[[
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2
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3 server.lua by blastbeat of the luadch project
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4
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5 re-used here under the MIT/X Consortium License
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6
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7 Modifications (C) 2008 Matthew Wild, Waqas Hussain
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8 ]]--
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9
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10 ----------------------------------// DECLARATION //--
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11
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12 --// constants //--
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13
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14 local STAT_UNIT = 1 / ( 1024 * 1024 ) -- mb
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15
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16 --// lua functions //--
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17
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18 local function use( what ) return _G[ what ] end
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19
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20 local type = use "type"
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21 local pairs = use "pairs"
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22 local ipairs = use "ipairs"
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23 local tostring = use "tostring"
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24 local collectgarbage = use "collectgarbage"
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25
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26 --// lua libs //--
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27
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28 local table = use "table"
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29 local coroutine = use "coroutine"
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30
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31 --// lua lib methods //--
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32
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33 local table_concat = table.concat
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34 local table_remove = table.remove
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35 local string_sub = use'string'.sub
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36 local coroutine_wrap = coroutine.wrap
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37 local coroutine_yield = coroutine.yield
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38 local print = print;
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39 local out_put = function () end --print;
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40 local out_error = print;
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41
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42 --// extern libs //--
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43
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44 local luasec = select(2, pcall(require, "ssl"))
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45 local luasocket = require "socket"
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46
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47 --// extern lib methods //--
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48
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49 local ssl_wrap = ( luasec and luasec.wrap )
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50 local socket_bind = luasocket.bind
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51 local socket_select = luasocket.select
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52 local ssl_newcontext = ( luasec and luasec.newcontext )
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53
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54 --// functions //--
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55
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56 local loop
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57 local stats
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58 local addtimer
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59 local closeall
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60 local addserver
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61 local firetimer
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62 local closesocket
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63 local removesocket
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64 local wrapserver
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65 local wraptcpclient
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66 local wrapsslclient
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67
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68 --// tables //--
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69
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70 local listener
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71 local readlist
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72 local writelist
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73 local socketlist
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74 local timelistener
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75
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76 --// simple data types //--
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77
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78 local _
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79 local readlen = 0 -- length of readlist
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80 local writelen = 0 -- lenght of writelist
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81
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82 local sendstat= 0
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83 local receivestat = 0
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84
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85 ----------------------------------// DEFINITION //--
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86
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87 listener = { } -- key = port, value = table
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88 readlist = { } -- array with sockets to read from
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89 writelist = { } -- arrary with sockets to write to
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90 socketlist = { } -- key = socket, value = wrapped socket
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91 timelistener = { }
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92
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93 stats = function( )
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94 return receivestat, sendstat
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95 end
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96
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97 wrapserver = function( listener, socket, ip, serverport, mode, sslctx ) -- this function wraps a server
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98
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99 local dispatch, disconnect = listener.listener, listener.disconnect -- dangerous
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100
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101 local wrapclient, err
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102
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103 if sslctx then
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104 if not ssl_newcontext then
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105 return nil, "luasec not found"
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106 end
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107 if type( sslctx ) ~= "table" then
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108 out_error "server.lua: wrong server sslctx"
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109 return nil, "wrong server sslctx"
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110 end
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111 sslctx, err = ssl_newcontext( sslctx )
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112 if not sslctx then
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113 err = err or "wrong sslctx parameters"
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114 out_error( "server.lua: ", err )
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115 return nil, err
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116 end
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117 wrapclient = wrapsslclient
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118 wrapclient = wraptlsclient
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119 else
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120 wrapclient = wraptcpclient
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121 end
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122
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123 local accept = socket.accept
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124 local close = socket.close
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125
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126 --// public methods of the object //--
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127
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128 local handler = { }
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129
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130 handler.shutdown = function( ) end
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131
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132 --[[handler.listener = function( data, err )
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133 return ondata( handler, data, err )
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134 end]]
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135 handler.ssl = function( )
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136 return sslctx and true or false
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137 end
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138 handler.close = function( closed )
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139 _ = not closed and close( socket )
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140 writelen = removesocket( writelist, socket, writelen )
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141 readlen = removesocket( readlist, socket, readlen )
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142 socketlist[ socket ] = nil
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143 handler = nil
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144 end
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145 handler.ip = function( )
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146 return ip
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147 end
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148 handler.serverport = function( )
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149 return serverport
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150 end
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151 handler.socket = function( )
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152 return socket
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153 end
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154 handler.receivedata = function( )
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155 local client, err = accept( socket ) -- try to accept
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156 if client then
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157 local ip, clientport = client:getpeername( )
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158 client:settimeout( 0 )
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159 local handler, client, err = wrapclient( listener, client, ip, serverport, clientport, mode, sslctx ) -- wrap new client socket
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160 if err then -- error while wrapping ssl socket
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161 return false
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162 end
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163 out_put( "server.lua: accepted new client connection from ", ip, ":", clientport )
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164 return dispatch( handler )
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165 elseif err then -- maybe timeout or something else
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166 out_put( "server.lua: error with new client connection: ", err )
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167 return false
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168 end
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169 end
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170 return handler
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171 end
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172
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173 wrapsslclient = function( listener, socket, ip, serverport, clientport, mode, sslctx ) -- this function wraps a ssl cleint
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174
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175 local dispatch, disconnect = listener.listener, listener.disconnect
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176
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177 --// transform socket to ssl object //--
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178
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179 local err
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180 socket, err = ssl_wrap( socket, sslctx ) -- wrap socket
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181 if err then
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182 out_put( "server.lua: ssl error: ", err )
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183 return nil, nil, err -- fatal error
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184 end
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185 socket:settimeout( 0 )
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186
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187 --// private closures of the object //--
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188
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189 local writequeue = { } -- buffer for messages to send
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190
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191 local eol, fatal_send_error -- end of buffer
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192
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193 local sstat, rstat = 0, 0
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194
528
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195 --// local import of socket methods //--
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196
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197 local send = socket.send
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198 local receive = socket.receive
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199 local close = socket.close
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200 --local shutdown = socket.shutdown
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201
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202 --// public methods of the object //--
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203
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204 local handler = { }
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205
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206 handler.getstats = function( )
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207 return rstat, sstat
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208 end
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209
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210 handler.listener = function( data, err )
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211 return listener( handler, data, err )
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212 end
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213 handler.ssl = function( )
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214 return true
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215 end
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216 handler.send = function( _, data, i, j )
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217 return send( socket, data, i, j )
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218 end
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219 handler.receive = function( pattern, prefix )
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220 return receive( socket, pattern, prefix )
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221 end
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222 handler.shutdown = function( pattern )
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223 --return shutdown( socket, pattern )
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224 end
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225 handler.close = function( closed )
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226 if eol and not fatal_send_error then handler._dispatchdata(); end
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227 close( socket )
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228 writelen = ( eol and removesocket( writelist, socket, writelen ) ) or writelen
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229 readlen = removesocket( readlist, socket, readlen )
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230 socketlist[ socket ] = nil
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231 out_put "server.lua: closed handler and removed socket from list"
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232 end
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233 handler.ip = function( )
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234 return ip
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235 end
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236 handler.serverport = function( )
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237 return serverport
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238 end
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239 handler.clientport = function( )
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240 return clientport
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241 end
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242
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243 handler.write = function( data )
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244 if not eol then
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245 writelen = writelen + 1
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246 writelist[ writelen ] = socket
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247 eol = 0
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248 end
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249 eol = eol + 1
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250 writequeue[ eol ] = data
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251 end
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252 handler.writequeue = function( )
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253 return writequeue
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254 end
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255 handler.socket = function( )
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256 return socket
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257 end
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258 handler.mode = function( )
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259 return mode
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260 end
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261 handler._receivedata = function( )
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262 local data, err, part = receive( socket, mode ) -- receive data in "mode"
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263 if not err or ( err == "timeout" or err == "wantread" ) then -- received something
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264 local data = data or part or ""
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265 local count = #data * STAT_UNIT
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266 rstat = rstat + count
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267 receivestat = receivestat + count
562
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268 --out_put( "server.lua: read data '", data, "', error: ", err )
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269 return dispatch( handler, data, err )
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270 else -- connections was closed or fatal error
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271 out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
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272 handler.close( )
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273 disconnect( handler, err )
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274 writequeue = nil
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275 handler = nil
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276 return false
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277 end
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278 end
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279 handler._dispatchdata = function( ) -- this function writes data to handlers
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280 local buffer = table_concat( writequeue, "", 1, eol )
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281 local succ, err, byte = send( socket, buffer )
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282 local count = ( succ or 0 ) * STAT_UNIT
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283 sstat = sstat + count
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284 sendstat = sendstat + count
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285 out_put( "server.lua: sended '", buffer, "', bytes: ", succ, ", error: ", err, ", part: ", byte, ", to: ", ip, ":", clientport )
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286 if succ then -- sending succesful
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287 --writequeue = { }
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288 eol = nil
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289 writelen = removesocket( writelist, socket, writelen ) -- delete socket from writelist
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290 return true
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291 elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write
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292 buffer = string_sub( buffer, byte + 1, -1 ) -- new buffer
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293 writequeue[ 1 ] = buffer -- insert new buffer in queue
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294 eol = 1
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295 return true
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296 else -- connection was closed during sending or fatal error
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297 fatal_send_error = true;
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298 out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
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299 handler.close( )
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300 disconnect( handler, err )
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301 writequeue = nil
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302 handler = nil
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303 return false
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304 end
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305 end
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306
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307 -- // COMPAT // --
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308
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309 handler.getIp = handler.ip
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310 handler.getPort = handler.clientport
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311
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312 --// handshake //--
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313
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314 local wrote
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315
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316 handler.handshake = coroutine_wrap( function( client )
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317 local err
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318 for i = 1, 10 do -- 10 handshake attemps
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319 _, err = client:dohandshake( )
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320 if not err then
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321 out_put( "server.lua: ssl handshake done" )
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322 writelen = ( wrote and removesocket( writelist, socket, writelen ) ) or writelen
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323 handler.receivedata = handler._receivedata -- when handshake is done, replace the handshake function with regular functions
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324 handler.dispatchdata = handler._dispatchdata
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325 return dispatch( handler )
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326 else
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327 out_put( "server.lua: error during ssl handshake: ", err )
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328 if err == "wantwrite" then
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329 if wrote == nil then
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330 writelen = writelen + 1
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331 writelist[ writelen ] = client
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332 wrote = true
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333 end
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334 end
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335 coroutine_yield( handler, nil, err ) -- handshake not finished
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336 end
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337 end
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338 _ = err ~= "closed" and close( socket )
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339 handler.close( )
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340 disconnect( handler, err )
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341 writequeue = nil
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342 handler = nil
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343 return false -- handshake failed
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344 end
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345 )
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346 handler.receivedata = handler.handshake
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347 handler.dispatchdata = handler.handshake
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348
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349 handler.handshake( socket ) -- do handshake
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350
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351 socketlist[ socket ] = handler
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352 readlen = readlen + 1
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353 readlist[ readlen ] = socket
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354
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355 return handler, socket
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356 end
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357
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358 wraptlsclient = function( listener, socket, ip, serverport, clientport, mode, sslctx ) -- this function wraps a tls cleint
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359
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360 local dispatch, disconnect = listener.listener, listener.disconnect
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361
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362 --// transform socket to ssl object //--
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363
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364 local err
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365
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366 socket:settimeout( 0 )
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367 --// private closures of the object //--
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368
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369 local writequeue = { } -- buffer for messages to send
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370
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371 local eol, fatal_send_error -- end of buffer
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372
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373 local sstat, rstat = 0, 0
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374
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diff changeset
375 --// local import of socket methods //--
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376
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377 local send = socket.send
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378 local receive = socket.receive
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379 local close = socket.close
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380 --local shutdown = socket.shutdown
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381
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diff changeset
382 --// public methods of the object //--
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383
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384 local handler = { }
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385
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386 handler.getstats = function( )
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387 return rstat, sstat
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388 end
519
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389
528
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390 handler.listener = function( data, err )
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391 return listener( handler, data, err )
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392 end
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393 handler.ssl = function( )
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394 return false
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395 end
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396 handler.send = function( _, data, i, j )
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397 return send( socket, data, i, j )
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398 end
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399 handler.receive = function( pattern, prefix )
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400 return receive( socket, pattern, prefix )
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401 end
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402 handler.shutdown = function( pattern )
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403 --return shutdown( socket, pattern )
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404 end
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405 handler.close = function( closed )
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406 if eol and not fatal_send_error then handler._dispatchdata(); end
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407 close( socket )
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408 writelen = ( eol and removesocket( writelist, socket, writelen ) ) or writelen
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409 readlen = removesocket( readlist, socket, readlen )
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410 socketlist[ socket ] = nil
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411 out_put "server.lua: closed handler and removed socket from list"
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412 end
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413 handler.ip = function( )
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414 return ip
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415 end
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416 handler.serverport = function( )
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417 return serverport
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418 end
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419 handler.clientport = function( )
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420 return clientport
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421 end
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422
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423 handler.write = function( data )
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424 if not eol then
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425 writelen = writelen + 1
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426 writelist[ writelen ] = socket
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427 eol = 0
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428 end
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diff changeset
429 eol = eol + 1
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430 writequeue[ eol ] = data
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431 end
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432 handler.writequeue = function( )
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433 return writequeue
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434 end
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435 handler.socket = function( )
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436 return socket
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diff changeset
437 end
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diff changeset
438 handler.mode = function( )
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diff changeset
439 return mode
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diff changeset
440 end
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441 handler._receivedata = function( )
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diff changeset
442 local data, err, part = receive( socket, mode ) -- receive data in "mode"
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443 if not err or ( err == "timeout" or err == "wantread" ) then -- received something
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444 local data = data or part or ""
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445 local count = #data * STAT_UNIT
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446 rstat = rstat + count
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447 receivestat = receivestat + count
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diff changeset
448 --out_put( "server.lua: read data '", data, "', error: ", err )
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449 return dispatch( handler, data, err )
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450 else -- connections was closed or fatal error
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diff changeset
451 out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
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diff changeset
452 handler.close( )
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453 disconnect( handler, err )
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diff changeset
454 writequeue = nil
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455 handler = nil
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diff changeset
456 return false
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diff changeset
457 end
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diff changeset
458 end
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diff changeset
459 handler._dispatchdata = function( ) -- this function writes data to handlers
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diff changeset
460 local buffer = table_concat( writequeue, "", 1, eol )
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diff changeset
461 local succ, err, byte = send( socket, buffer )
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diff changeset
462 local count = ( succ or 0 ) * STAT_UNIT
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diff changeset
463 sstat = sstat + count
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parents: 519
diff changeset
464 sendstat = sendstat + count
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
465 out_put( "server.lua: sended '", buffer, "', bytes: ", succ, ", error: ", err, ", part: ", byte, ", to: ", ip, ":", clientport )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
466 if succ then -- sending succesful
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
467 --writequeue = { }
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
468 eol = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
469 writelen = removesocket( writelist, socket, writelen ) -- delete socket from writelist
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
470 if handler.need_tls then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
471 out_put("server.lua: connection is ready for tls handshake");
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
472 handler.starttls(true);
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
473 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
474 return true
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
475 elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
476 buffer = string_sub( buffer, byte + 1, -1 ) -- new buffer
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
477 writequeue[ 1 ] = buffer -- insert new buffer in queue
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
478 eol = 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
479 return true
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
480 else -- connection was closed during sending or fatal error
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
481 fatal_send_error = true; -- :(
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
482 out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
483 handler.close( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
484 disconnect( handler, err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
485 writequeue = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
486 handler = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
487 return false
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
488 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
489 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
490
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
491 handler.receivedata, handler.dispatchdata = handler._receivedata, handler._dispatchdata;
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
492 -- // COMPAT // --
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
493
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
494 handler.getIp = handler.ip
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
495 handler.getPort = handler.clientport
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
496
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
497 --// handshake //--
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
498
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
499 local wrote, read
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
500
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
501 handler.starttls = function (now)
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
502 if not now then out_put("server.lua: we need to do tls, but delaying until later"); handler.need_tls = true; return; end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
503 out_put( "server.lua: attempting to start tls on "..tostring(socket) )
567
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
504 local oldsocket = socket;
528
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
505 socket, err = ssl_wrap( socket, sslctx ) -- wrap socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
506 out_put("sslwrapped socket is "..tostring(socket));
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
507 if err then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
508 out_put( "server.lua: ssl error: ", err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
509 return nil, nil, err -- fatal error
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
510 end
567
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
511 socket:settimeout(0);
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
512
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
513 -- Add the new socket to our system
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
514 socketlist[ socket ] = handler
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
515 readlen = readlen + 1
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
516 readlist[ readlen ] = socket
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
517
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
518 -- Remove traces of the old socket
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
519 readlen = removesocket( readlist, oldsocket, readlen )
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
520 socketlist [ oldsocket ] = nil;
ae7f6167d780 Re-commit TLS fix
Matthew Wild <mwild1@gmail.com>
parents: 566
diff changeset
521
528
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
522 send = socket.send
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
523 receive = socket.receive
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
524 close = socket.close
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
525 handler.ssl = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
526 return true
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
527 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
528 handler.send = function( _, data, i, j )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
529 return send( socket, data, i, j )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
530 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
531 handler.receive = function( pattern, prefix )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
532 return receive( socket, pattern, prefix )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
533 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
534
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
535 handler.starttls = nil;
564
779ab5b99e13 Don't say we need TLS after we've already started the handshake
Matthew Wild <mwild1@gmail.com>
parents: 563
diff changeset
536 handler.need_tls = nil
528
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
537
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
538 handler.handshake = coroutine_wrap( function( client )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
539 local err
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
540 for i = 1, 10 do -- 10 handshake attemps
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
541 _, err = client:dohandshake( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
542 if not err then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
543 out_put( "server.lua: ssl handshake done" )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
544 writelen = ( wrote and removesocket( writelist, socket, writelen ) ) or writelen
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
545 handler.receivedata = handler._receivedata -- when handshake is done, replace the handshake function with regular functions
566
Matthew Wild <mwild1@gmail.com>
parents: 564 565
diff changeset
546 handler.dispatchdata = handler._dispatchdata;
528
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
547 return true;
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
548 else
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
549 out_put( "server.lua: error during ssl handshake: ", err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
550 if err == "wantwrite" then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
551 if wrote == nil then
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
552 writelen = writelen + 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
553 writelist[ writelen ] = client
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
554 wrote = true
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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parents: 519
diff changeset
555 end
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parents: 519
diff changeset
556 end
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parents: 519
diff changeset
557 coroutine_yield( handler, nil, err ) -- handshake not finished
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
558 end
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parents: 519
diff changeset
559 end
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parents: 519
diff changeset
560 _ = err ~= "closed" and close( socket )
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
561 handler.close( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
562 disconnect( handler, err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
563 writequeue = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
564 handler = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
565 return false -- handshake failed
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
566 end
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
567 )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
568 handler.receivedata = handler.handshake
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
569 handler.dispatchdata = handler.handshake
562
04ee161d936b Comment out debug logging for now
Matthew Wild <mwild1@gmail.com>
parents: 561
diff changeset
570
528
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
571 handler.handshake( socket ) -- do handshake
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
572 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
573 socketlist[ socket ] = handler
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
574 readlen = readlen + 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
575 readlist[ readlen ] = socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
576
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
577 return handler, socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
578 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
579
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
580 wraptcpclient = function( listener, socket, ip, serverport, clientport, mode ) -- this function wraps a socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
581
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
582 local dispatch, disconnect = listener.listener, listener.disconnect
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
583
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
584 --// private closures of the object //--
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
585
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
586 local writequeue = { } -- list for messages to send
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
587
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
588 local eol, fatal_send_error
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
589
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
590 local rstat, sstat = 0, 0
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
591
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
592 --// local import of socket methods //--
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
593
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
594 local send = socket.send
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
595 local receive = socket.receive
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
596 local close = socket.close
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
597 local shutdown = socket.shutdown
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
598
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
599 --// public methods of the object //--
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
600
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
601 local handler = { }
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
602
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
603 handler.getstats = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
604 return rstat, sstat
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
605 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
606
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
607 handler.listener = function( data, err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
608 return listener( handler, data, err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
609 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
610 handler.ssl = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
611 return false
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
612 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
613 handler.send = function( _, data, i, j )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
614 return send( socket, data, i, j )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
615 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
616 handler.receive = function( pattern, prefix )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
617 return receive( socket, pattern, prefix )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
618 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
619 handler.shutdown = function( pattern )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
620 return shutdown( socket, pattern )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
621 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
622 handler.close = function( closed )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
623 if eol and not fatal_send_error then handler.dispatchdata(); end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
624 _ = not closed and shutdown( socket )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
625 _ = not closed and close( socket )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
626 writelen = ( eol and removesocket( writelist, socket, writelen ) ) or writelen
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
627 readlen = removesocket( readlist, socket, readlen )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
628 socketlist[ socket ] = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
629 out_put "server.lua: closed handler and removed socket from list"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
630 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
631 handler.ip = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
632 return ip
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
633 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
634 handler.serverport = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
635 return serverport
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
636 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
637 handler.clientport = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
638 return clientport
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
639 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
640 handler.write = function( data )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
641 if not eol then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
642 writelen = writelen + 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
643 writelist[ writelen ] = socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
644 eol = 0
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
645 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
646 eol = eol + 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
647 writequeue[ eol ] = data
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
648 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
649 handler.writequeue = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
650 return writequeue
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
651 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
652 handler.socket = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
653 return socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
654 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
655 handler.mode = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
656 return mode
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
657 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
658
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
659 handler.receivedata = function( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
660 local data, err, part = receive( socket, mode ) -- receive data in "mode"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
661 if not err or ( err == "timeout" or err == "wantread" ) then -- received something
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
662 local data = data or part or ""
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
663 local count = #data * STAT_UNIT
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
664 rstat = rstat + count
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
665 receivestat = receivestat + count
562
04ee161d936b Comment out debug logging for now
Matthew Wild <mwild1@gmail.com>
parents: 561
diff changeset
666 --out_put( "server.lua: read data '", data, "', error: ", err )
528
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
667 return dispatch( handler, data, err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
668 else -- connections was closed or fatal error
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
669 out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
670 handler.close( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
671 disconnect( handler, err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
672 writequeue = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
673 handler = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
674 return false
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
675 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
676 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
677
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
678 handler.dispatchdata = function( ) -- this function writes data to handlers
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
679 local buffer = table_concat( writequeue, "", 1, eol )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
680 local succ, err, byte = send( socket, buffer )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
681 local count = ( succ or 0 ) * STAT_UNIT
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
682 sstat = sstat + count
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
683 sendstat = sendstat + count
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
684 out_put( "server.lua: sended '", buffer, "', bytes: ", succ, ", error: ", err, ", part: ", byte, ", to: ", ip, ":", clientport )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
685 if succ then -- sending succesful
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
686 --writequeue = { }
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
687 eol = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
688 writelen = removesocket( writelist, socket, writelen ) -- delete socket from writelist
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
689 return true
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
690 elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
691 buffer = string_sub( buffer, byte + 1, -1 ) -- new buffer
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
692 writequeue[ 1 ] = buffer -- insert new buffer in queue
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
693 eol = 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
694 return true
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
695 else -- connection was closed during sending or fatal error
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
696 fatal_send_error = true; -- :'-(
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
697 out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
698 handler.close( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
699 disconnect( handler, err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
700 writequeue = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
701 handler = nil
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
702 return false
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
703 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
704 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
705
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
706 -- // COMPAT // --
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
707
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
708 handler.getIp = handler.ip
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
709 handler.getPort = handler.clientport
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
710
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
711 socketlist[ socket ] = handler
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
712 readlen = readlen + 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
713 readlist[ readlen ] = socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
714
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
715 return handler, socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
716 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
717
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
718 addtimer = function( listener )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
719 timelistener[ #timelistener + 1 ] = listener
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
720 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
721
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
722 firetimer = function( listener )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
723 for i, listener in ipairs( timelistener ) do
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
724 listener( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
725 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
726 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
727
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
728 addserver = function( listeners, port, addr, mode, sslctx ) -- this function provides a way for other scripts to reg a server
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
729 local err
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
730 if type( listeners ) ~= "table" then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
731 err = "invalid listener table"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
732 else
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
733 for name, func in pairs( listeners ) do
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
734 if type( func ) ~= "function" then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
735 --err = "invalid listener function"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
736 break
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
737 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
738 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
739 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
740 if not type( port ) == "number" or not ( port >= 0 and port <= 65535 ) then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
741 err = "invalid port"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
742 elseif listener[ port ] then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
743 err= "listeners on port '" .. port .. "' already exist"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
744 elseif sslctx and not luasec then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
745 err = "luasec not found"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
746 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
747 if err then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
748 out_error( "server.lua: ", err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
749 return nil, err
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
750 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
751 addr = addr or "*"
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
752 local server, err = socket_bind( addr, port )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
753 if err then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
754 out_error( "server.lua: ", err )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
755 return nil, err
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
756 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
757 local handler, err = wrapserver( listeners, server, addr, port, mode, sslctx ) -- wrap new server socket
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
758 if not handler then
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
759 server:close( )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
760 return nil, err
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
761 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
762 server:settimeout( 0 )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
763 readlen = readlen + 1
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
764 readlist[ readlen ] = server
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
765 listener[ port ] = listeners
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
766 socketlist[ server ] = handler
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
767 out_put( "server.lua: new server listener on ", addr, ":", port )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
768 return true
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
769 end
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
770
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
771 removesocket = function( tbl, socket, len ) -- this function removes sockets from a list
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
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772 for i, target in ipairs( tbl ) do
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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773 if target == socket then
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774 len = len - 1
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775 table_remove( tbl, i )
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Matthew Wild <mwild1@gmail.com>
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776 return len
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Matthew Wild <mwild1@gmail.com>
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777 end
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778 end
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diff changeset
779 return len
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
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780 end
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781
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Matthew Wild <mwild1@gmail.com>
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782 closeall = function( )
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Matthew Wild <mwild1@gmail.com>
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783 for sock, handler in pairs( socketlist ) do
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diff changeset
784 handler.shutdown( )
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Matthew Wild <mwild1@gmail.com>
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785 handler.close( )
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diff changeset
786 socketlist[ sock ] = nil
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parents: 519
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787 end
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
788 writelist, readlist, socketlist = { }, { }, { }
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Matthew Wild <mwild1@gmail.com>
parents: 519
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789 end
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parents: 519
diff changeset
790
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
791 closesocket = function( socket )
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
792 writelen = removesocket( writelist, socket, writelen )
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
793 readlen = removesocket( readlist, socket, readlen )
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Matthew Wild <mwild1@gmail.com>
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diff changeset
794 socketlist[ socket ] = nil
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Matthew Wild <mwild1@gmail.com>
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diff changeset
795 socket:close( )
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796 end
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797
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Matthew Wild <mwild1@gmail.com>
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diff changeset
798 loop = function( ) -- this is the main loop of the program
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Matthew Wild <mwild1@gmail.com>
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diff changeset
799 --signal_set( "hub", "run" )
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800 repeat
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diff changeset
801 local read, write, err = socket_select( readlist, writelist, 1 ) -- 1 sec timeout, nice for timers
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Matthew Wild <mwild1@gmail.com>
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diff changeset
802 for i, socket in ipairs( write ) do -- send data waiting in writequeues
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Matthew Wild <mwild1@gmail.com>
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803 local handler = socketlist[ socket ]
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Matthew Wild <mwild1@gmail.com>
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804 if handler then
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
805 handler.dispatchdata( )
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Matthew Wild <mwild1@gmail.com>
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806 else
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
807 closesocket( socket )
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parents: 519
diff changeset
808 out_put "server.lua: found no handler and closed socket (writelist)" -- this should not happen
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parents: 519
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809 end
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parents: 519
diff changeset
810 end
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
811 for i, socket in ipairs( read ) do -- receive data
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
812 local handler = socketlist[ socket ]
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
813 if handler then
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
814 handler.receivedata( )
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
815 else
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parents: 519
diff changeset
816 closesocket( socket )
5fabb5aeed9d Fix GPL'ing MIT/X licensed code :)
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
817 out_put "server.lua: found no handler and closed socket (readlist)" -- this can happen
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parents: 519
diff changeset
818 end
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parents: 519
diff changeset
819 end
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
820 firetimer( )
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
821 until false
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
822 return
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parents: 519
diff changeset
823 end
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parents: 519
diff changeset
824
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diff changeset
825 ----------------------------------// BEGIN //--
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Matthew Wild <mwild1@gmail.com>
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diff changeset
826
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diff changeset
827 ----------------------------------// PUBLIC INTERFACE //--
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diff changeset
828
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parents: 519
diff changeset
829 return {
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parents: 519
diff changeset
830
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diff changeset
831 add = addserver,
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Matthew Wild <mwild1@gmail.com>
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diff changeset
832 loop = loop,
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Matthew Wild <mwild1@gmail.com>
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diff changeset
833 stats = stats,
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parents: 519
diff changeset
834 closeall = closeall,
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Matthew Wild <mwild1@gmail.com>
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diff changeset
835 addtimer = addtimer,
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
836 wraptlsclient = wraptlsclient,
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Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
837 }