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net/server_event.lua @ 7916:72b6d5ab4137
mod_register: Require encryption before registration if c2s_require_encryption is set (fixes #595)
| author | Kim Alvefur <zash@zash.se> |
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| date | Tue, 21 Feb 2017 18:54:44 +0100 |
| parent | 7398:206f9b0485ad |
| child | 7399:066a4dfdac18 |
| rev | line source |
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1 --[[ |
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2 |
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3 |
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4 server.lua based on lua/libevent by blastbeat |
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5 |
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6 notes: |
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7 -- when using luaevent, never register 2 or more EV_READ at one socket, same for EV_WRITE |
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8 -- you cant even register a new EV_READ/EV_WRITE callback inside another one |
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9 -- to do some of the above, use timeout events or something what will called from outside |
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10 -- dont let garbagecollect eventcallbacks, as long they are running |
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11 -- when using luasec, there are 4 cases of timeout errors: wantread or wantwrite during reading or writing |
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12 |
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13 --]] |
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14 |
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15 local SCRIPT_NAME = "server_event.lua" |
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16 local SCRIPT_VERSION = "0.05" |
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17 local SCRIPT_AUTHOR = "blastbeat" |
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18 local LAST_MODIFIED = "2009/11/20" |
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19 |
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20 local cfg = { |
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21 MAX_CONNECTIONS = 100000, -- max per server connections (use "ulimit -n" on *nix) |
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22 MAX_HANDSHAKE_ATTEMPTS= 1000, -- attempts to finish ssl handshake |
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23 HANDSHAKE_TIMEOUT = 60, -- timeout in seconds per handshake attempt |
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24 MAX_READ_LENGTH = 1024 * 1024 * 1024 * 1024, -- max bytes allowed to read from sockets |
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25 MAX_SEND_LENGTH = 1024 * 1024 * 1024 * 1024, -- max bytes size of write buffer (for writing on sockets) |
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26 ACCEPT_QUEUE = 128, -- might influence the length of the pending sockets queue |
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27 ACCEPT_DELAY = 10, -- seconds to wait until the next attempt of a full server to accept |
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28 READ_TIMEOUT = 60 * 60 * 6, -- timeout in seconds for read data from socket |
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29 WRITE_TIMEOUT = 180, -- timeout in seconds for write data on socket |
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30 CONNECT_TIMEOUT = 20, -- timeout in seconds for connection attempts |
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31 CLEAR_DELAY = 5, -- seconds to wait for clearing interface list (and calling ondisconnect listeners) |
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32 DEBUG = true, -- show debug messages |
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33 } |
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34 |
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35 local function use(x) return rawget(_G, x); end |
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36 local ipairs = use "ipairs" |
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37 local string = use "string" |
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38 local select = use "select" |
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39 local require = use "require" |
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40 local tostring = use "tostring" |
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41 local coroutine = use "coroutine" |
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42 local setmetatable = use "setmetatable" |
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43 |
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44 local t_insert = table.insert |
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45 local t_concat = table.concat |
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46 |
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47 local ssl = use "ssl" |
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48 local socket = use "socket" or require "socket" |
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49 |
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50 local log = require ("util.logger").init("socket") |
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51 |
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52 local function debug(...) |
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53 return log("debug", ("%s "):rep(select('#', ...)), ...) |
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54 end |
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55 local vdebug = debug; |
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56 |
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57 local bitor = ( function( ) -- thx Rici Lake |
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58 local hasbit = function( x, p ) |
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59 return x % ( p + p ) >= p |
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60 end |
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61 return function( x, y ) |
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62 local p = 1 |
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63 local z = 0 |
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64 local limit = x > y and x or y |
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65 while p <= limit do |
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66 if hasbit( x, p ) or hasbit( y, p ) then |
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67 z = z + p |
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68 end |
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69 p = p + p |
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70 end |
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71 return z |
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72 end |
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73 end )( ) |
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74 |
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75 local event = require "luaevent.core" |
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76 local base = event.new( ) |
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77 local EV_READ = event.EV_READ |
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78 local EV_WRITE = event.EV_WRITE |
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79 local EV_TIMEOUT = event.EV_TIMEOUT |
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80 local EV_SIGNAL = event.EV_SIGNAL |
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81 |
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82 local EV_READWRITE = bitor( EV_READ, EV_WRITE ) |
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83 |
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84 local interfacelist = ( function( ) -- holds the interfaces for sockets |
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85 local array = { } |
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86 local len = 0 |
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87 return function( method, arg ) |
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88 if "add" == method then |
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89 len = len + 1 |
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90 array[ len ] = arg |
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91 arg:_position( len ) |
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92 return len |
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93 elseif "delete" == method then |
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94 if len <= 0 then |
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95 return nil, "array is already empty" |
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96 end |
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97 local position = arg:_position() -- get position in array |
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98 if position ~= len then |
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99 local interface = array[ len ] -- get last interface |
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100 array[ position ] = interface -- copy it into free position |
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101 array[ len ] = nil -- free last position |
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102 interface:_position( position ) -- set new position in array |
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103 else -- free last position |
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104 array[ len ] = nil |
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105 end |
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106 len = len - 1 |
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107 return len |
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108 else |
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109 return array |
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110 end |
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111 end |
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112 end )( ) |
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113 |
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114 -- Client interface methods |
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115 local interface_mt |
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116 do |
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117 interface_mt = {}; interface_mt.__index = interface_mt; |
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118 |
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119 local addevent = base.addevent |
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120 local coroutine_wrap, coroutine_yield = coroutine.wrap,coroutine.yield |
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121 |
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122 -- Private methods |
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123 function interface_mt:_position(new_position) |
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124 self.position = new_position or self.position |
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125 return self.position; |
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126 end |
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127 function interface_mt:_close() |
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128 return self:_destroy(); |
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129 end |
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130 |
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131 function interface_mt:_start_connection(plainssl) -- should be called from addclient |
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132 local callback = function( event ) |
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133 if EV_TIMEOUT == event then -- timeout during connection |
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134 self.fatalerror = "connection timeout" |
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135 self:ontimeout() -- call timeout listener |
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136 self:_close() |
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137 debug( "new connection failed. id:", self.id, "error:", self.fatalerror ) |
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138 else |
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139 if plainssl and ssl then -- start ssl session |
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140 self:starttls(self._sslctx, true) |
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141 else -- normal connection |
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142 self:_start_session(true) |
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143 end |
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144 debug( "new connection established. id:", self.id ) |
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145 end |
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146 self.eventconnect = nil |
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147 return -1 |
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148 end |
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149 self.eventconnect = addevent( base, self.conn, EV_WRITE, callback, cfg.CONNECT_TIMEOUT ) |
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150 return true |
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151 end |
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152 function interface_mt:_start_session(call_onconnect) -- new session, for example after startssl |
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153 if self.type == "client" then |
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154 local callback = function( ) |
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155 self:_lock( false, false, false ) |
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156 --vdebug( "start listening on client socket with id:", self.id ) |
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157 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback, cfg.READ_TIMEOUT ); -- register callback |
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158 if call_onconnect then |
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159 self:onconnect() |
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160 end |
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161 self.eventsession = nil |
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162 return -1 |
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163 end |
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164 self.eventsession = addevent( base, nil, EV_TIMEOUT, callback, 0 ) |
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165 else |
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166 self:_lock( false ) |
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167 --vdebug( "start listening on server socket with id:", self.id ) |
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168 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback ) -- register callback |
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169 end |
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170 return true |
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171 end |
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172 function interface_mt:_start_ssl(call_onconnect) -- old socket will be destroyed, therefore we have to close read/write events first |
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173 --vdebug( "starting ssl session with client id:", self.id ) |
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174 local _ |
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175 _ = self.eventread and self.eventread:close( ) -- close events; this must be called outside of the event callbacks! |
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176 _ = self.eventwrite and self.eventwrite:close( ) |
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177 self.eventread, self.eventwrite = nil, nil |
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178 local err |
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179 self.conn, err = ssl.wrap( self.conn, self._sslctx ) |
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180 if err then |
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181 self.fatalerror = err |
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182 self.conn = nil -- cannot be used anymore |
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183 if call_onconnect then |
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184 self.ondisconnect = nil -- dont call this when client isnt really connected |
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185 end |
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186 self:_close() |
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187 debug( "fatal error while ssl wrapping:", err ) |
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188 return false |
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189 end |
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190 self.conn:settimeout( 0 ) -- set non blocking |
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191 local handshakecallback = coroutine_wrap( |
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192 function( event ) |
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193 local _, err |
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194 local attempt = 0 |
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195 local maxattempt = cfg.MAX_HANDSHAKE_ATTEMPTS |
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196 while attempt < maxattempt do -- no endless loop |
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197 attempt = attempt + 1 |
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198 debug( "ssl handshake of client with id:"..tostring(self)..", attempt:"..attempt ) |
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199 if attempt > maxattempt then |
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200 self.fatalerror = "max handshake attempts exceeded" |
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201 elseif EV_TIMEOUT == event then |
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202 self.fatalerror = "timeout during handshake" |
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203 else |
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204 _, err = self.conn:dohandshake( ) |
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205 if not err then |
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206 self:_lock( false, false, false ) -- unlock the interface; sending, closing etc allowed |
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207 self.send = self.conn.send -- caching table lookups with new client object |
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208 self.receive = self.conn.receive |
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209 if not call_onconnect then -- trigger listener |
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210 self:onstatus("ssl-handshake-complete"); |
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211 end |
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212 self:_start_session( call_onconnect ) |
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213 debug( "ssl handshake done" ) |
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214 self.eventhandshake = nil |
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215 return -1 |
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216 end |
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217 if err == "wantwrite" then |
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218 event = EV_WRITE |
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219 elseif err == "wantread" then |
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220 event = EV_READ |
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221 else |
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222 debug( "ssl handshake error:", err ) |
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223 self.fatalerror = err |
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224 end |
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225 end |
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226 if self.fatalerror then |
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227 if call_onconnect then |
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228 self.ondisconnect = nil -- dont call this when client isnt really connected |
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229 end |
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230 self:_close() |
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231 debug( "handshake failed because:", self.fatalerror ) |
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232 self.eventhandshake = nil |
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233 return -1 |
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234 end |
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235 event = coroutine_yield( event, cfg.HANDSHAKE_TIMEOUT ) -- yield this monster... |
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236 end |
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237 end |
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238 ) |
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239 debug "starting handshake..." |
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240 self:_lock( false, true, true ) -- unlock read/write events, but keep interface locked |
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241 self.eventhandshake = addevent( base, self.conn, EV_READWRITE, handshakecallback, cfg.HANDSHAKE_TIMEOUT ) |
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242 return true |
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243 end |
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244 function interface_mt:_destroy() -- close this interface + events and call last listener |
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245 debug( "closing client with id:", self.id, self.fatalerror ) |
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246 self:_lock( true, true, true ) -- first of all, lock the interface to avoid further actions |
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247 local _ |
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248 _ = self.eventread and self.eventread:close( ) |
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249 if self.type == "client" then |
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250 _ = self.eventwrite and self.eventwrite:close( ) |
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251 _ = self.eventhandshake and self.eventhandshake:close( ) |
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252 _ = self.eventstarthandshake and self.eventstarthandshake:close( ) |
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253 _ = self.eventconnect and self.eventconnect:close( ) |
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254 _ = self.eventsession and self.eventsession:close( ) |
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255 _ = self.eventwritetimeout and self.eventwritetimeout:close( ) |
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256 _ = self.eventreadtimeout and self.eventreadtimeout:close( ) |
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257 _ = self.ondisconnect and self:ondisconnect( self.fatalerror ~= "client to close" and self.fatalerror) -- call ondisconnect listener (wont be the case if handshake failed on connect) |
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258 _ = self.conn and self.conn:close( ) -- close connection |
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259 _ = self._server and self._server:counter(-1); |
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260 self.eventread, self.eventwrite = nil, nil |
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261 self.eventstarthandshake, self.eventhandshake, self.eventclose = nil, nil, nil |
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262 self.readcallback, self.writecallback = nil, nil |
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263 else |
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264 self.conn:close( ) |
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265 self.eventread, self.eventclose = nil, nil |
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266 self.interface, self.readcallback = nil, nil |
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267 end |
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268 interfacelist( "delete", self ) |
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269 return true |
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270 end |
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271 |
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272 function interface_mt:_lock(nointerface, noreading, nowriting) -- lock or unlock this interface or events |
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273 self.nointerface, self.noreading, self.nowriting = nointerface, noreading, nowriting |
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274 return nointerface, noreading, nowriting |
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275 end |
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276 |
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277 --TODO: Deprecate |
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278 function interface_mt:lock_read(switch) |
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279 if switch then |
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280 return self:pause(); |
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281 else |
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282 return self:resume(); |
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283 end |
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284 end |
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285 |
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286 function interface_mt:pause() |
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287 return self:_lock(self.nointerface, true, self.nowriting); |
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288 end |
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289 |
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290 function interface_mt:resume() |
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291 self:_lock(self.nointerface, false, self.nowriting); |
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292 if self.readcallback and not self.eventread then |
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293 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback, cfg.READ_TIMEOUT ); -- register callback |
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294 return true; |
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295 end |
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296 end |
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297 |
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298 function interface_mt:counter(c) |
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299 if c then |
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300 self._connections = self._connections + c |
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301 end |
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302 return self._connections |
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303 end |
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304 |
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305 -- Public methods |
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306 function interface_mt:write(data) |
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307 if self.nowriting then return nil, "locked" end |
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308 --vdebug( "try to send data to client, id/data:", self.id, data ) |
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|
309 data = tostring( data ) |
|
5018
eb8211b65e96
net.server_event: Replace usage of string.len() with # operator
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parents:
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310 local len = #data |
|
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311 local total = len + self.writebufferlen |
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312 if total > cfg.MAX_SEND_LENGTH then -- check buffer length |
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313 local err = "send buffer exceeded" |
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314 debug( "error:", err ) -- to much, check your app |
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315 return nil, err |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2534
diff
changeset
|
316 end |
|
5286
0cbe57fbe2cd
net.server_event: Optimize socket write buffers (don't do buf=buf..newdata).
Waqas Hussain <waqas20@gmail.com>
parents:
5277
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changeset
|
317 t_insert(self.writebuffer, data) -- new buffer |
|
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318 self.writebufferlen = total |
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319 if not self.eventwrite then -- register new write event |
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|
320 --vdebug( "register new write event" ) |
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321 self.eventwrite = addevent( base, self.conn, EV_WRITE, self.writecallback, cfg.WRITE_TIMEOUT ) |
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|
322 end |
|
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323 return true |
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changeset
|
324 end |
|
4962
1d8fb12a9b2d
net.server_select, net.server_event: Change semantics of conn:close() - always call ondisconnect (with err == nil), and never close with data in send buffer (i.e. 'now' parameter removed)
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
325 function interface_mt:close() |
|
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326 if self.nointerface then return nil, "locked"; end |
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327 debug( "try to close client connection with id:", self.id ) |
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328 if self.type == "client" then |
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329 self.fatalerror = "client to close" |
|
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parents:
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changeset
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330 if self.eventwrite then -- wait for incomplete write request |
|
1d8fb12a9b2d
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parents:
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diff
changeset
|
331 self:_lock( true, true, false ) |
|
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net.server_select, net.server_event: Change semantics of conn:close() - always call ondisconnect (with err == nil), and never close with data in send buffer (i.e. 'now' parameter removed)
Matthew Wild <mwild1@gmail.com>
parents:
4907
diff
changeset
|
332 debug "closing delayed until writebuffer is empty" |
|
1d8fb12a9b2d
net.server_select, net.server_event: Change semantics of conn:close() - always call ondisconnect (with err == nil), and never close with data in send buffer (i.e. 'now' parameter removed)
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parents:
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diff
changeset
|
333 return nil, "writebuffer not empty, waiting" |
|
1d8fb12a9b2d
net.server_select, net.server_event: Change semantics of conn:close() - always call ondisconnect (with err == nil), and never close with data in send buffer (i.e. 'now' parameter removed)
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parents:
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diff
changeset
|
334 else -- close now |
|
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changeset
|
335 self:_lock( true, true, true ) |
|
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|
336 self:_close() |
|
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337 return true |
|
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338 end |
|
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339 else |
|
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parents:
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diff
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|
340 debug( "try to close server with id:", tostring(self.id)) |
|
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341 self.fatalerror = "server to close" |
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|
342 self:_lock( true ) |
|
5276
8a207a7e52d3
net.server_event: Remove comments about not closing event handlers from within callbacks, fixed in luaevent
Kim Alvefur <zash@zash.se>
parents:
5018
diff
changeset
|
343 self:_close( 0 ) |
|
4676
1ce2ff9ec313
net.server_event: Do not automatically close clients when closing a server port
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344 return true |
|
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345 end |
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|
346 end |
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changeset
|
347 |
|
3649
ae99396ee261
net.server_event: API parity with net.server_socket
Paul Aurich <paul@darkrain42.org>
parents:
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diff
changeset
|
348 function interface_mt:socket() |
|
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net.server_event: API parity with net.server_socket
Paul Aurich <paul@darkrain42.org>
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|
349 return self.conn |
|
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diff
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|
350 end |
|
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net.server_event: API parity with net.server_socket
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diff
changeset
|
351 |
|
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|
352 function interface_mt:server() |
|
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353 return self._server or self; |
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354 end |
|
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changeset
|
355 |
|
6046
b7dd7b8165df
Backed out changeset a5b5bce71a11
Kim Alvefur <zash@zash.se>
parents:
6045
diff
changeset
|
356 function interface_mt:port() |
|
2318
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|
357 return self._port |
|
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changeset
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358 end |
|
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changeset
|
359 |
|
2374
9b6a9d521620
net.server_event: Add :serverport() method to be compatible with old API
Matthew Wild <mwild1@gmail.com>
parents:
2367
diff
changeset
|
360 function interface_mt:serverport() |
|
9b6a9d521620
net.server_event: Add :serverport() method to be compatible with old API
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parents:
2367
diff
changeset
|
361 return self._serverport |
|
9b6a9d521620
net.server_event: Add :serverport() method to be compatible with old API
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
362 end |
|
9b6a9d521620
net.server_event: Add :serverport() method to be compatible with old API
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parents:
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diff
changeset
|
363 |
|
2318
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changeset
|
364 function interface_mt:ip() |
|
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diff
changeset
|
365 return self._ip |
|
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diff
changeset
|
366 end |
|
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changeset
|
367 |
|
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|
368 function interface_mt:ssl() |
|
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369 return self._usingssl |
|
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diff
changeset
|
370 end |
|
6047
4db0403bfc0d
net.server_{select,event}: Add compat code for supporting the same client port API on connections
Kim Alvefur <zash@zash.se>
parents:
6046
diff
changeset
|
371 interface_mt.clientport = interface_mt.port -- COMPAT server_select |
|
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changeset
|
372 |
|
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changeset
|
373 function interface_mt:type() |
|
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|
374 return self._type or "client" |
|
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changeset
|
375 end |
|
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changeset
|
376 |
|
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changeset
|
377 function interface_mt:connections() |
|
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changeset
|
378 return self._connections |
|
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changeset
|
379 end |
|
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changeset
|
380 |
|
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changeset
|
381 function interface_mt:address() |
|
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changeset
|
382 return self.addr |
|
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changeset
|
383 end |
|
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changeset
|
384 |
|
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diff
changeset
|
385 function interface_mt:set_sslctx(sslctx) |
|
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changeset
|
386 self._sslctx = sslctx; |
|
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changeset
|
387 if sslctx then |
|
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changeset
|
388 self.starttls = nil; -- use starttls() of interface_mt |
|
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changeset
|
389 else |
|
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changeset
|
390 self.starttls = false; -- prevent starttls() |
|
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changeset
|
391 end |
|
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diff
changeset
|
392 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
Matthew Wild <mwild1@gmail.com>
parents:
3000
diff
changeset
|
393 |
|
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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parents:
3000
diff
changeset
|
394 function interface_mt:set_mode(pattern) |
|
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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parents:
3000
diff
changeset
|
395 if pattern then |
|
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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parents:
3000
diff
changeset
|
396 self._pattern = pattern; |
|
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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parents:
3000
diff
changeset
|
397 end |
|
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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parents:
3000
diff
changeset
|
398 return self._pattern; |
|
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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parents:
3000
diff
changeset
|
399 end |
|
2318
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changeset
|
400 |
|
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parents:
2303
diff
changeset
|
401 function interface_mt:set_send(new_send) |
|
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changeset
|
402 -- No-op, we always use the underlying connection's send |
|
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changeset
|
403 end |
|
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2303
diff
changeset
|
404 |
|
3396
23cf369ed1c3
net.server_event: Fix to not call onconnect a second time after the SSL handshake for starttls connections (thanks Flo)
Matthew Wild <mwild1@gmail.com>
parents:
3387
diff
changeset
|
405 function interface_mt:starttls(sslctx, call_onconnect) |
|
2318
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changeset
|
406 debug( "try to start ssl at client id:", self.id ) |
|
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diff
changeset
|
407 local err |
|
2561
e7bec4072c61
net.server_event: Update for compatibility with new server API
Matthew Wild <mwild1@gmail.com>
parents:
2535
diff
changeset
|
408 self._sslctx = sslctx; |
|
e7bec4072c61
net.server_event: Update for compatibility with new server API
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2535
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changeset
|
409 if self._usingssl then -- startssl was already called |
|
2318
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diff
changeset
|
410 err = "ssl already active" |
|
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parents:
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diff
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|
411 end |
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412 if err then |
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413 debug( "error:", err ) |
|
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414 return nil, err |
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415 end |
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416 self._usingssl = true |
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417 self.startsslcallback = function( ) -- we have to start the handshake outside of a read/write event |
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418 self.startsslcallback = nil |
|
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23cf369ed1c3
net.server_event: Fix to not call onconnect a second time after the SSL handshake for starttls connections (thanks Flo)
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419 self:_start_ssl(call_onconnect); |
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420 self.eventstarthandshake = nil |
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421 return -1 |
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422 end |
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423 if not self.eventwrite then |
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424 self:_lock( true, true, true ) -- lock the interface, to not disturb the handshake |
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425 self.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, self.startsslcallback, 0 ) -- add event to start handshake |
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426 else -- wait until writebuffer is empty |
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427 self:_lock( true, true, false ) |
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428 debug "ssl session delayed until writebuffer is empty..." |
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429 end |
|
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net.server_event: Remove access to starttls method when starttls is negotiated - fixes offering starttls to client who are already using it (thanks darkrain and Adium)
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430 self.starttls = false; |
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431 return true |
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432 end |
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433 |
|
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net.server_event: Add conn:setoption() to set options on the socket
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434 function interface_mt:setoption(option, value) |
|
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435 if self.conn.setoption then |
|
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436 return self.conn:setoption(option, value); |
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437 end |
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438 return false, "setoption not implemented"; |
|
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439 end |
|
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440 |
|
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net.server_event: Support :setlistener() method on connections to work with port multiplexing
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441 function interface_mt:setlistener(listener) |
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442 self:ondetach(); -- Notify listener that it is no longer responsible for this connection |
|
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443 self.onconnect, self.ondisconnect, self.onincoming, |
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444 self.ontimeout, self.onstatus, self.ondetach |
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445 = listener.onconnect, listener.ondisconnect, listener.onincoming, |
|
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446 listener.ontimeout, listener.onstatus, listener.ondetach; |
|
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447 end |
|
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448 |
|
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449 -- Stub handlers |
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450 function interface_mt:onconnect() |
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451 end |
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452 function interface_mt:onincoming() |
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453 end |
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454 function interface_mt:ondisconnect() |
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455 end |
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456 function interface_mt:ontimeout() |
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457 end |
|
3002
d1f864ed44c0
net.server_select, net.server_event: Support for ondrain listener callback for when send buffer is empty
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diff
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458 function interface_mt:ondrain() |
|
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459 end |
|
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460 function interface_mt:ondetach() |
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461 end |
|
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462 function interface_mt:onstatus() |
|
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463 end |
|
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net.server_event: Trailing whitespace
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464 end |
|
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465 |
|
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466 -- End of client interface methods |
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467 |
|
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468 local handleclient; |
|
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469 do |
|
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470 local string_sub = string.sub -- caching table lookups |
|
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471 local addevent = base.addevent |
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472 local socket_gettime = socket.gettime |
|
4907
32b638a8da5b
net.server_event: Internal changes to get plain-SSL outgoing connections working (as for HTTPS)
Matthew Wild <mwild1@gmail.com>
parents:
4905
diff
changeset
|
473 function handleclient( client, ip, port, server, pattern, listener, sslctx ) -- creates an client interface |
|
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474 --vdebug("creating client interfacce...") |
|
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475 local interface = { |
|
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476 type = "client"; |
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477 conn = client; |
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478 currenttime = socket_gettime( ); -- safe the origin |
|
5286
0cbe57fbe2cd
net.server_event: Optimize socket write buffers (don't do buf=buf..newdata).
Waqas Hussain <waqas20@gmail.com>
parents:
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479 writebuffer = {}; -- writebuffer |
|
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480 writebufferlen = 0; -- length of writebuffer |
|
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481 send = client.send; -- caching table lookups |
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482 receive = client.receive; |
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483 onconnect = listener.onconnect; -- will be called when client disconnects |
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484 ondisconnect = listener.ondisconnect; -- will be called when client disconnects |
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485 onincoming = listener.onincoming; -- will be called when client sends data |
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changeset
|
486 ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs |
|
5755
9a9c2c254412
net.server_event: Pass ondrain handler from listener
Kim Alvefur <zash@zash.se>
parents:
5531
diff
changeset
|
487 ondrain = listener.ondrain; -- called when writebuffer is empty |
|
6379
a280bd6ccce2
net.server_{select,event}: Add 'ondetach' callback for listener objects, to notify them when another listener is being assigned to a connection
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parents:
6314
diff
changeset
|
488 ondetach = listener.ondetach; -- called when disassociating this listener from this connection |
|
2561
e7bec4072c61
net.server_event: Update for compatibility with new server API
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diff
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489 onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS) |
|
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490 eventread = false, eventwrite = false, eventclose = false, |
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491 eventhandshake = false, eventstarthandshake = false; -- event handler |
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492 eventconnect = false, eventsession = false; -- more event handler... |
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493 eventwritetimeout = false; -- even more event handler... |
|
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494 eventreadtimeout = false; |
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495 fatalerror = false; -- error message |
|
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496 writecallback = false; -- will be called on write events |
|
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497 readcallback = false; -- will be called on read events |
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498 nointerface = true; -- lock/unlock parameter of this interface |
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499 noreading = false, nowriting = false; -- locks of the read/writecallback |
|
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500 startsslcallback = false; -- starting handshake callback |
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501 position = false; -- position of client in interfacelist |
|
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changeset
|
502 |
|
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|
503 -- Properties |
|
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504 _ip = ip, _port = port, _server = server, _pattern = pattern, |
|
2374
9b6a9d521620
net.server_event: Add :serverport() method to be compatible with old API
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parents:
2367
diff
changeset
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505 _serverport = (server and server:port() or nil), |
|
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506 _sslctx = sslctx; -- parameters |
|
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507 _usingssl = false; -- client is using ssl; |
|
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|
508 } |
|
2599
cc6164d85024
net.server_event: Fixes for traceback with no LuaSec
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parents:
2561
diff
changeset
|
509 if not ssl then interface.starttls = false; end |
|
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510 interface.id = tostring(interface):match("%x+$"); |
|
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511 interface.writecallback = function( event ) -- called on write events |
|
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512 --vdebug( "new client write event, id/ip/port:", interface, ip, port ) |
|
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513 if interface.nowriting or ( interface.fatalerror and ( "client to close" ~= interface.fatalerror ) ) then -- leave this event |
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|
514 --vdebug( "leaving this event because:", interface.nowriting or interface.fatalerror ) |
|
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515 interface.eventwrite = false |
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516 return -1 |
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|
517 end |
|
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518 if EV_TIMEOUT == event then -- took too long to write some data to socket -> disconnect |
|
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diff
changeset
|
519 interface.fatalerror = "timeout during writing" |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
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diff
changeset
|
520 debug( "writing failed:", interface.fatalerror ) |
|
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|
521 interface:_close() |
|
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|
522 interface.eventwrite = false |
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|
523 return -1 |
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changeset
|
524 else -- can write :) |
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changeset
|
525 if interface._usingssl then -- handle luasec |
|
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changeset
|
526 if interface.eventreadtimeout then -- we have to read first |
|
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|
527 local ret = interface.readcallback( ) -- call readcallback |
|
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|
528 --vdebug( "tried to read in writecallback, result:", ret ) |
|
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|
529 end |
|
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changeset
|
530 if interface.eventwritetimeout then -- luasec only |
|
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changeset
|
531 interface.eventwritetimeout:close( ) -- first we have to close timeout event which where regged after a wantread error |
|
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|
532 interface.eventwritetimeout = false |
|
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|
533 end |
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534 end |
|
5286
0cbe57fbe2cd
net.server_event: Optimize socket write buffers (don't do buf=buf..newdata).
Waqas Hussain <waqas20@gmail.com>
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5277
diff
changeset
|
535 interface.writebuffer = { t_concat(interface.writebuffer) } |
|
0cbe57fbe2cd
net.server_event: Optimize socket write buffers (don't do buf=buf..newdata).
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changeset
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536 local succ, err, byte = interface.conn:send( interface.writebuffer[1], 1, interface.writebufferlen ) |
|
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537 --vdebug( "write data:", interface.writebuffer, "error:", err, "part:", byte ) |
|
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changeset
|
538 if succ then -- writing succesful |
|
5286
0cbe57fbe2cd
net.server_event: Optimize socket write buffers (don't do buf=buf..newdata).
Waqas Hussain <waqas20@gmail.com>
parents:
5277
diff
changeset
|
539 interface.writebuffer[1] = nil |
|
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changeset
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540 interface.writebufferlen = 0 |
|
3002
d1f864ed44c0
net.server_select, net.server_event: Support for ondrain listener callback for when send buffer is empty
Matthew Wild <mwild1@gmail.com>
parents:
3001
diff
changeset
|
541 interface:ondrain(); |
|
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changeset
|
542 if interface.fatalerror then |
|
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changeset
|
543 debug "closing client after writing" |
|
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changeset
|
544 interface:_close() -- close interface if needed |
|
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changeset
|
545 elseif interface.startsslcallback then -- start ssl connection if needed |
|
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parents:
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diff
changeset
|
546 debug "starting ssl handshake after writing" |
|
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diff
changeset
|
547 interface.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, interface.startsslcallback, 0 ) |
|
7398
206f9b0485ad
net.server_event: Check the buffer *length*, not the buffer itself (Fixes 100% cpu usage introduced in 65abd9d7bf88)
Kim Alvefur <zash@zash.se>
parents:
7393
diff
changeset
|
548 elseif interface.writebufferlen ~= 0 then |
|
7392
c774622ad9db
net.server_event: Fix traceback if event re-added during starttls
Kim Alvefur <zash@zash.se>
parents:
7384
diff
changeset
|
549 -- data possibly written from ondrain |
|
c774622ad9db
net.server_event: Fix traceback if event re-added during starttls
Kim Alvefur <zash@zash.se>
parents:
7384
diff
changeset
|
550 return EV_WRITE, cfg.WRITE_TIMEOUT |
|
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changeset
|
551 elseif interface.eventreadtimeout then |
|
7393
1909bde0e79f
net.server_event: Return the correct value as timeout
Kim Alvefur <zash@zash.se>
parents:
7392
diff
changeset
|
552 return EV_WRITE, cfg.WRITE_TIMEOUT |
|
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|
553 end |
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|
554 interface.eventwrite = nil |
|
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diff
changeset
|
555 return -1 |
|
2941
a2b01936f8f9
net.server_event: Don't re-try a write if the connection closed (thanks Flo)
Matthew Wild <mwild1@gmail.com>
parents:
2939
diff
changeset
|
556 elseif byte and (err == "timeout" or err == "wantwrite") then -- want write again |
|
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|
557 --vdebug( "writebuffer is not empty:", err ) |
|
5286
0cbe57fbe2cd
net.server_event: Optimize socket write buffers (don't do buf=buf..newdata).
Waqas Hussain <waqas20@gmail.com>
parents:
5277
diff
changeset
|
558 interface.writebuffer[1] = string_sub( interface.writebuffer[1], byte + 1, interface.writebufferlen ) -- new buffer |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
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parents:
2534
diff
changeset
|
559 interface.writebufferlen = interface.writebufferlen - byte |
|
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changeset
|
560 if "wantread" == err then -- happens only with luasec |
|
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|
561 local callback = function( ) |
|
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562 interface:_close() |
|
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changeset
|
563 interface.eventwritetimeout = nil |
|
2731
373a7c960409
net.server_event: Fix some global accesses
Matthew Wild <mwild1@gmail.com>
parents:
2726
diff
changeset
|
564 return -1; |
|
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changeset
|
565 end |
|
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diff
changeset
|
566 interface.eventwritetimeout = addevent( base, nil, EV_TIMEOUT, callback, cfg.WRITE_TIMEOUT ) -- reg a new timeout event |
|
3237
721a83a3beb9
net.server_event: attemp to fix more spelling fail.
Waqas Hussain <waqas20@gmail.com>
parents:
3149
diff
changeset
|
567 debug( "wantread during write attempt, reg it in readcallback but dont know what really happens next..." ) |
|
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diff
changeset
|
568 -- hopefully this works with luasec; its simply not possible to use 2 different write events on a socket in luaevent |
|
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changeset
|
569 return -1 |
|
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diff
changeset
|
570 end |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
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parents:
2534
diff
changeset
|
571 return EV_WRITE, cfg.WRITE_TIMEOUT |
|
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changeset
|
572 else -- connection was closed during writing or fatal error |
|
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changeset
|
573 interface.fatalerror = err or "fatal error" |
|
2535
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diff
changeset
|
574 debug( "connection failed in write event:", interface.fatalerror ) |
|
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changeset
|
575 interface:_close() |
|
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changeset
|
576 interface.eventwrite = nil |
|
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changeset
|
577 return -1 |
|
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diff
changeset
|
578 end |
|
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diff
changeset
|
579 end |
|
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parents:
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diff
changeset
|
580 end |
|
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parents:
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diff
changeset
|
581 |
|
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diff
changeset
|
582 interface.readcallback = function( event ) -- called on read events |
|
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parents:
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diff
changeset
|
583 --vdebug( "new client read event, id/ip/port:", tostring(interface.id), tostring(ip), tostring(port) ) |
|
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diff
changeset
|
584 if interface.noreading or interface.fatalerror then -- leave this event |
|
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parents:
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diff
changeset
|
585 --vdebug( "leaving this event because:", tostring(interface.noreading or interface.fatalerror) ) |
|
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diff
changeset
|
586 interface.eventread = nil |
|
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diff
changeset
|
587 return -1 |
|
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diff
changeset
|
588 end |
|
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diff
changeset
|
589 if EV_TIMEOUT == event then -- took too long to get some data from client -> disconnect |
|
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parents:
2303
diff
changeset
|
590 interface.fatalerror = "timeout during receiving" |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
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parents:
2534
diff
changeset
|
591 debug( "connection failed:", interface.fatalerror ) |
|
2318
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changeset
|
592 interface:_close() |
|
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diff
changeset
|
593 interface.eventread = nil |
|
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parents:
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changeset
|
594 return -1 |
|
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diff
changeset
|
595 else -- can read |
|
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diff
changeset
|
596 if interface._usingssl then -- handle luasec |
|
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diff
changeset
|
597 if interface.eventwritetimeout then -- ok, in the past writecallback was regged |
|
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diff
changeset
|
598 local ret = interface.writecallback( ) -- call it |
|
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diff
changeset
|
599 --vdebug( "tried to write in readcallback, result:", tostring(ret) ) |
|
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changeset
|
600 end |
|
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diff
changeset
|
601 if interface.eventreadtimeout then |
|
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parents:
2303
diff
changeset
|
602 interface.eventreadtimeout:close( ) |
|
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diff
changeset
|
603 interface.eventreadtimeout = nil |
|
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changeset
|
604 end |
|
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diff
changeset
|
605 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
Matthew Wild <mwild1@gmail.com>
parents:
3000
diff
changeset
|
606 local buffer, err, part = interface.conn:receive( interface._pattern ) -- receive buffer with "pattern" |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2534
diff
changeset
|
607 --vdebug( "read data:", tostring(buffer), "error:", tostring(err), "part:", tostring(part) ) |
|
5010
2f8f388de516
net.server_event: Don't emit empty packets, check for errors first. (fixes #287)
Kim Alvefur <zash@zash.se>
parents:
4984
diff
changeset
|
608 buffer = buffer or part |
|
2f8f388de516
net.server_event: Don't emit empty packets, check for errors first. (fixes #287)
Kim Alvefur <zash@zash.se>
parents:
4984
diff
changeset
|
609 if buffer and #buffer > cfg.MAX_READ_LENGTH then -- check buffer length |
|
2318
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diff
changeset
|
610 interface.fatalerror = "receive buffer exceeded" |
|
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changeset
|
611 debug( "fatal error:", interface.fatalerror ) |
|
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changeset
|
612 interface:_close() |
|
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diff
changeset
|
613 interface.eventread = nil |
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614 return -1 |
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615 end |
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616 if err and ( err ~= "timeout" and err ~= "wantread" ) then |
|
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617 if "wantwrite" == err then -- need to read on write event |
|
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618 if not interface.eventwrite then -- register new write event if needed |
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619 interface.eventwrite = addevent( base, interface.conn, EV_WRITE, interface.writecallback, cfg.WRITE_TIMEOUT ) |
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620 end |
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621 interface.eventreadtimeout = addevent( base, nil, EV_TIMEOUT, |
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|
622 function( ) |
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|
623 interface:_close() |
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624 end, cfg.READ_TIMEOUT |
|
2535
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|
625 ) |
|
3237
721a83a3beb9
net.server_event: attemp to fix more spelling fail.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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|
626 debug( "wantwrite during read attempt, reg it in writecallback but dont know what really happens next..." ) |
|
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627 -- to be honest i dont know what happens next, if it is allowed to first read, the write etc... |
|
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|
628 else -- connection was closed or fatal error |
|
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|
629 interface.fatalerror = err |
|
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630 debug( "connection failed in read event:", interface.fatalerror ) |
|
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|
631 interface:_close() |
|
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632 interface.eventread = nil |
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633 return -1 |
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634 end |
|
5010
2f8f388de516
net.server_event: Don't emit empty packets, check for errors first. (fixes #287)
Kim Alvefur <zash@zash.se>
parents:
4984
diff
changeset
|
635 else |
|
2f8f388de516
net.server_event: Don't emit empty packets, check for errors first. (fixes #287)
Kim Alvefur <zash@zash.se>
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changeset
|
636 interface.onincoming( interface, buffer, err ) -- send new data to listener |
|
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637 end |
|
4468
938d878d8087
net.server_event: Fix :pause() to actually stop reading from the socket, rather than ignoring socket-readable events (!), and :resume() to restart the event listener
Matthew Wild <mwild1@gmail.com>
parents:
4399
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changeset
|
638 if interface.noreading then |
|
938d878d8087
net.server_event: Fix :pause() to actually stop reading from the socket, rather than ignoring socket-readable events (!), and :resume() to restart the event listener
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parents:
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diff
changeset
|
639 interface.eventread = nil; |
|
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net.server_event: Fix :pause() to actually stop reading from the socket, rather than ignoring socket-readable events (!), and :resume() to restart the event listener
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parents:
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|
640 return -1; |
|
938d878d8087
net.server_event: Fix :pause() to actually stop reading from the socket, rather than ignoring socket-readable events (!), and :resume() to restart the event listener
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parents:
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changeset
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641 end |
|
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642 return EV_READ, cfg.READ_TIMEOUT |
|
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643 end |
|
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644 end |
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|
645 |
|
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646 client:settimeout( 0 ) -- set non blocking |
|
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647 setmetatable(interface, interface_mt) |
|
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648 interfacelist( "add", interface ) -- add to interfacelist |
|
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649 return interface |
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650 end |
|
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651 end |
|
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652 |
|
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|
653 local handleserver |
|
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654 do |
|
2561
e7bec4072c61
net.server_event: Update for compatibility with new server API
Matthew Wild <mwild1@gmail.com>
parents:
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diff
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|
655 function handleserver( server, addr, port, pattern, listener, sslctx ) -- creates an server interface |
|
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656 debug "creating server interface..." |
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657 local interface = { |
|
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|
658 _connections = 0; |
|
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659 |
|
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660 conn = server; |
|
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661 onconnect = listener.onconnect; -- will be called when new client connected |
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662 eventread = false; -- read event handler |
|
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663 eventclose = false; -- close event handler |
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664 readcallback = false; -- read event callback |
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665 fatalerror = false; -- error message |
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666 nointerface = true; -- lock/unlock parameter |
|
2375
31297a5641e3
net.server_event: Add properties like _ip and _port to server objects too
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diff
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|
667 |
|
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668 _ip = addr, _port = port, _pattern = pattern, |
|
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|
669 _sslctx = sslctx; |
|
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670 } |
|
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671 interface.id = tostring(interface):match("%x+$"); |
|
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672 interface.readcallback = function( event ) -- server handler, called on incoming connections |
|
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673 --vdebug( "server can accept, id/addr/port:", interface, addr, port ) |
|
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674 if interface.fatalerror then |
|
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675 --vdebug( "leaving this event because:", self.fatalerror ) |
|
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|
676 interface.eventread = nil |
|
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|
677 return -1 |
|
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|
678 end |
|
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|
679 local delay = cfg.ACCEPT_DELAY |
|
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changeset
|
680 if EV_TIMEOUT == event then |
|
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|
681 if interface._connections >= cfg.MAX_CONNECTIONS then -- check connection count |
|
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changeset
|
682 debug( "to many connections, seconds to wait for next accept:", delay ) |
|
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|
683 return EV_TIMEOUT, delay -- timeout... |
|
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changeset
|
684 else |
|
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changeset
|
685 return EV_READ -- accept again |
|
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|
686 end |
|
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changeset
|
687 end |
|
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|
688 --vdebug("max connection check ok, accepting...") |
|
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|
689 local client, err = server:accept() -- try to accept; TODO: check err |
|
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|
690 while client do |
|
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|
691 if interface._connections >= cfg.MAX_CONNECTIONS then |
|
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|
692 client:close( ) -- refuse connection |
|
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|
693 debug( "maximal connections reached, refuse client connection; accept delay:", delay ) |
|
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Waqas Hussain <waqas20@gmail.com>
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|
694 return EV_TIMEOUT, delay -- delay for next accept attempt |
|
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695 end |
|
2726
1b9179e04233
net.server_event: Improve and fix potential traceback in logging of new incoming connections
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diff
changeset
|
696 local client_ip, client_port = client:getpeername( ) |
|
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|
697 interface._connections = interface._connections + 1 -- increase connection count |
|
4907
32b638a8da5b
net.server_event: Internal changes to get plain-SSL outgoing connections working (as for HTTPS)
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parents:
4905
diff
changeset
|
698 local clientinterface = handleclient( client, client_ip, client_port, interface, pattern, listener, sslctx ) |
|
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|
699 --vdebug( "client id:", clientinterface, "startssl:", startssl ) |
|
2599
cc6164d85024
net.server_event: Fixes for traceback with no LuaSec
Matthew Wild <mwild1@gmail.com>
parents:
2561
diff
changeset
|
700 if ssl and sslctx then |
|
3396
23cf369ed1c3
net.server_event: Fix to not call onconnect a second time after the SSL handshake for starttls connections (thanks Flo)
Matthew Wild <mwild1@gmail.com>
parents:
3387
diff
changeset
|
701 clientinterface:starttls(sslctx, true) |
|
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|
702 else |
|
3396
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net.server_event: Fix to not call onconnect a second time after the SSL handshake for starttls connections (thanks Flo)
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changeset
|
703 clientinterface:_start_session( true ) |
|
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|
704 end |
|
2726
1b9179e04233
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diff
changeset
|
705 debug( "accepted incoming client connection from:", client_ip or "<unknown IP>", client_port or "<unknown port>", "to", port or "<unknown port>"); |
|
2641
b083a667e3be
net.server_event: Fire onincoming() callback for new connections as opposed to the new onconnect() - let's change this for a future version though
Matthew Wild <mwild1@gmail.com>
parents:
2639
diff
changeset
|
706 |
|
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changeset
|
707 client, err = server:accept() -- try to accept again |
|
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|
708 end |
|
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|
709 return EV_READ |
|
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|
710 end |
|
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|
711 |
|
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changeset
|
712 server:settimeout( 0 ) |
|
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|
713 setmetatable(interface, interface_mt) |
|
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changeset
|
714 interfacelist( "add", interface ) |
|
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changeset
|
715 interface:_start_session() |
|
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|
716 return interface |
|
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net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
717 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
718 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
719 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
720 local addserver = ( function( ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
721 return function( addr, port, listener, pattern, sslcfg, startssl ) -- TODO: check arguments |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
722 --vdebug( "creating new tcp server with following parameters:", addr or "nil", port or "nil", sslcfg or "nil", startssl or "nil") |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
723 local server, err = socket.bind( addr, port, cfg.ACCEPT_QUEUE ) -- create server socket |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
724 if not server then |
|
4008
36bee5ca8b95
net.server_event: Log interface and port number when binding fails
Matthew Wild <mwild1@gmail.com>
parents:
3649
diff
changeset
|
725 debug( "creating server socket on "..addr.." port "..port.." failed:", err ) |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
726 return nil, err |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
727 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
728 local sslctx |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
729 if sslcfg then |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
730 if not ssl then |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
731 debug "fatal error: luasec not found" |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
732 return nil, "luasec not found" |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
733 end |
|
2638
115104acdd7b
net.server_event: Fix traceback in creating SSL context
Matthew Wild <mwild1@gmail.com>
parents:
2599
diff
changeset
|
734 sslctx, err = sslcfg |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
735 if err then |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
736 debug( "error while creating new ssl context for server socket:", err ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
737 return nil, err |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
738 end |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2534
diff
changeset
|
739 end |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
740 local interface = handleserver( server, addr, port, pattern, listener, sslctx, startssl ) -- new server handler |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
741 debug( "new server created with id:", tostring(interface)) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
742 return interface |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
743 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
744 end )( ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
745 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
746 local addclient, wrapclient |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
747 do |
|
4984
724848dfde36
net.server_event: Remove unused variables and imports
Matthew Wild <mwild1@gmail.com>
parents:
4962
diff
changeset
|
748 function wrapclient( client, ip, port, listeners, pattern, sslctx ) |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
749 local interface = handleclient( client, ip, port, nil, pattern, listeners, sslctx ) |
|
4905
274ef78aa173
net.server_event: Assume wrapclient() is taking a new connection, and call onconnect when appropriate (to match server_select)
Matthew Wild <mwild1@gmail.com>
parents:
4676
diff
changeset
|
750 interface:_start_connection(sslctx) |
|
3149
5aca2f01c0f9
net.server_event: Also return the socket from wrapclient, to maintain compatibility with server_select (thanks uhoreg)
Matthew Wild <mwild1@gmail.com>
parents:
3003
diff
changeset
|
751 return interface, client |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
752 --function handleclient( client, ip, port, server, pattern, listener, _, sslctx ) -- creates an client interface |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
753 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
754 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
755 function addclient( addr, serverport, listener, pattern, localaddr, localport, sslcfg, startssl ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
756 local client, err = socket.tcp() -- creating new socket |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
757 if not client then |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2534
diff
changeset
|
758 debug( "cannot create socket:", err ) |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
759 return nil, err |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
760 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
761 client:settimeout( 0 ) -- set nonblocking |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
762 if localaddr then |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
763 local res, err = client:bind( localaddr, localport, -1 ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
764 if not res then |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
765 debug( "cannot bind client:", err ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
766 return nil, err |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
767 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
768 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
769 local sslctx |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
770 if sslcfg then -- handle ssl/new context |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
771 if not ssl then |
|
2535
75bb31b6c53f
net.server_event: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2534
diff
changeset
|
772 debug "need luasec, but not available" |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
773 return nil, "luasec not found" |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
774 end |
|
2639
a7f683622b35
net.server_event: Fix another instance of creating an SSL context - certmanager now does this
Matthew Wild <mwild1@gmail.com>
parents:
2638
diff
changeset
|
775 sslctx, err = sslcfg |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
776 if err then |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
777 debug( "cannot create new ssl context:", err ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
778 return nil, err |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
779 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
780 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
781 local res, err = client:connect( addr, serverport ) -- connect |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
782 if res or ( err == "timeout" ) then |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
783 local ip, port = client:getsockname( ) |
|
2731
373a7c960409
net.server_event: Fix some global accesses
Matthew Wild <mwild1@gmail.com>
parents:
2726
diff
changeset
|
784 local interface = wrapclient( client, ip, serverport, listener, pattern, sslctx, startssl ) |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
785 interface:_start_connection( startssl ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
786 debug( "new connection id:", interface.id ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
787 return interface, err |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
788 else |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
789 debug( "new connection failed:", err ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
790 return nil, err |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
791 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
792 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
793 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
794 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
795 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
796 local loop = function( ) -- starts the event loop |
|
2333
ed824115becf
net.server_event: Return "quitting" on loop exit to be compatible with net.server_select, and give Prosody a way to know why the loop broke
Matthew Wild <mwild1@gmail.com>
parents:
2318
diff
changeset
|
797 base:loop( ) |
|
ed824115becf
net.server_event: Return "quitting" on loop exit to be compatible with net.server_select, and give Prosody a way to know why the loop broke
Matthew Wild <mwild1@gmail.com>
parents:
2318
diff
changeset
|
798 return "quitting"; |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
799 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
800 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
801 local newevent = ( function( ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
802 local add = base.addevent |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
803 return function( ... ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
804 return add( base, ... ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
805 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
806 end )( ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
807 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
808 local closeallservers = function( arg ) |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
809 for _, item in ipairs( interfacelist( ) ) do |
|
2334
4cedfeeaaed4
net.server_event: Fix closeallservers() to work correctly after the giant refactorizification
Matthew Wild <mwild1@gmail.com>
parents:
2333
diff
changeset
|
810 if item.type == "server" then |
|
4cedfeeaaed4
net.server_event: Fix closeallservers() to work correctly after the giant refactorizification
Matthew Wild <mwild1@gmail.com>
parents:
2333
diff
changeset
|
811 item:close( arg ) |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
812 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
813 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
814 end |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
815 |
|
2335
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
816 local function setquitting(yes) |
|
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
817 if yes then |
|
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
818 -- Quit now |
|
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
819 closeallservers(); |
|
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
820 base:loopexit(); |
|
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
821 end |
|
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
822 end |
|
060fb67cefd5
net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents:
2334
diff
changeset
|
823 |
|
4399
1b4161970842
net.server_event, net.server_select: Fixed some global pollution.
Waqas Hussain <waqas20@gmail.com>
parents:
4377
diff
changeset
|
824 local function get_backend() |
|
2340
b286d60cb4fc
net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents:
2336
diff
changeset
|
825 return base:method(); |
|
b286d60cb4fc
net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents:
2336
diff
changeset
|
826 end |
|
b286d60cb4fc
net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents:
2336
diff
changeset
|
827 |
|
2434
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
828 -- We need to hold onto the events to stop them |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
829 -- being garbage-collected |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
830 local signal_events = {}; -- [signal_num] -> event object |
|
4399
1b4161970842
net.server_event, net.server_select: Fixed some global pollution.
Waqas Hussain <waqas20@gmail.com>
parents:
4377
diff
changeset
|
831 local function hook_signal(signal_num, handler) |
|
2434
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
832 local function _handler(event) |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
833 local ret = handler(); |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
834 if ret ~= false then -- Continue handling this signal? |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
835 return EV_SIGNAL; -- Yes |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
836 end |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
837 return -1; -- Close this event |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
838 end |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
839 signal_events[signal_num] = base:addevent(signal_num, EV_SIGNAL, _handler); |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
840 return signal_events[signal_num]; |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
841 end |
|
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
842 |
|
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
|
843 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
|
844 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
|
845 |
|
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
|
846 function receiver:ondrain() |
|
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
|
847 if sender_locked 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
|
848 sender:resume(); |
|
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
|
849 sender_locked = nil; |
|
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
|
850 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
|
851 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
|
852 |
|
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
|
853 function sender:onincoming(data) |
|
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
|
854 receiver:write(data); |
|
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
|
855 if receiver.writebufferlen >= 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
|
856 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
|
857 sender:pause(); |
|
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
|
858 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
|
859 end |
|
6314
8029b8a5f37a
net.server_select/event: Switch sender mode to *a when reading, to make sure we get all available data
Matthew Wild <mwild1@gmail.com>
parents:
6047
diff
changeset
|
860 sender:set_mode("*a"); |
|
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
|
861 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
|
862 |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
863 return { |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
864 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
865 cfg = cfg, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
866 base = base, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
867 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
|
868 link = link, |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
869 event = event, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
870 event_base = base, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
871 addevent = newevent, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
872 addserver = addserver, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
873 addclient = addclient, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
874 wrapclient = wrapclient, |
|
2336
fb1d9d2444df
Rename closeallservers to closeall in the public API (same as net.server_select) and expose setquitting
Matthew Wild <mwild1@gmail.com>
parents:
2335
diff
changeset
|
875 setquitting = setquitting, |
|
fb1d9d2444df
Rename closeallservers to closeall in the public API (same as net.server_select) and expose setquitting
Matthew Wild <mwild1@gmail.com>
parents:
2335
diff
changeset
|
876 closeall = closeallservers, |
|
2340
b286d60cb4fc
net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents:
2336
diff
changeset
|
877 get_backend = get_backend, |
|
2434
4403d4473783
net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents:
2375
diff
changeset
|
878 hook_signal = hook_signal, |
|
2318
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
879 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
880 __NAME = SCRIPT_NAME, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
881 __DATE = LAST_MODIFIED, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
882 __AUTHOR = SCRIPT_AUTHOR, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
883 __VERSION = SCRIPT_VERSION, |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
884 |
|
a831de056de3
net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents:
2303
diff
changeset
|
885 } |
