prosody
eadbf19d0de0
net/server_event.lua

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net/server_event.lua @ 7163:eadbf19d0de0

loggingmanager,modulemanager,moduleapi: Ignore warning about accessing _G.unpack [luacheck]
author Kim Alvefur <zash@zash.se>
date Thu, 18 Feb 2016 14:57:51 +0100
parent 7040:bdcea2dd33b8
child 7042:20ac6972b9aa
child 7224:07a4c807a94a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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626d8152b1ad server_event: Add luacheck annotations
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14 -- luacheck: ignore 212/self 431/err 211/ret
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15
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16 local SCRIPT_NAME = "server_event.lua"
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17 local SCRIPT_VERSION = "0.05"
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18 local SCRIPT_AUTHOR = "blastbeat"
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19 local LAST_MODIFIED = "2009/11/20"
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20
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21 local cfg = {
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22 MAX_CONNECTIONS = 100000, -- max per server connections (use "ulimit -n" on *nix)
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23 MAX_HANDSHAKE_ATTEMPTS= 1000, -- attempts to finish ssl handshake
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24 HANDSHAKE_TIMEOUT = 60, -- timeout in seconds per handshake attempt
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25 MAX_READ_LENGTH = 1024 * 1024 * 1024 * 1024, -- max bytes allowed to read from sockets
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26 MAX_SEND_LENGTH = 1024 * 1024 * 1024 * 1024, -- max bytes size of write buffer (for writing on sockets)
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27 ACCEPT_QUEUE = 128, -- might influence the length of the pending sockets queue
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28 ACCEPT_DELAY = 10, -- seconds to wait until the next attempt of a full server to accept
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29 READ_TIMEOUT = 60 * 60 * 6, -- timeout in seconds for read data from socket
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30 WRITE_TIMEOUT = 180, -- timeout in seconds for write data on socket
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31 CONNECT_TIMEOUT = 20, -- timeout in seconds for connection attempts
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32 CLEAR_DELAY = 5, -- seconds to wait for clearing interface list (and calling ondisconnect listeners)
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33 DEBUG = true, -- show debug messages
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34 }
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35
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36 local pairs = pairs
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37 local select = select
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38 local require = require
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39 local tostring = tostring
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40 local setmetatable = setmetatable
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41
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42 local t_insert = table.insert
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43 local t_concat = table.concat
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44 local s_sub = string.sub
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45
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46 local coroutine_wrap = coroutine.wrap
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47 local coroutine_yield = coroutine.yield
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48
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49 local has_luasec, ssl = pcall ( require , "ssl" )
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50 local socket = require "socket"
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51 local levent = require "luaevent.core"
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52
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53 local socket_gettime = socket.gettime
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54 local getaddrinfo = socket.dns.getaddrinfo
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55
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56 local log = require ("util.logger").init("socket")
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57
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58 local function debug(...)
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59 return log("debug", ("%s "):rep(select('#', ...)), ...)
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60 end
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61 -- local vdebug = debug;
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62
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63 local bitor = ( function( ) -- thx Rici Lake
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64 local hasbit = function( x, p )
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65 return x % ( p + p ) >= p
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66 end
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67 return function( x, y )
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68 local p = 1
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69 local z = 0
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70 local limit = x > y and x or y
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71 while p <= limit do
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72 if hasbit( x, p ) or hasbit( y, p ) then
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73 z = z + p
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74 end
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75 p = p + p
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76 end
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77 return z
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78 end
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79 end )( )
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80
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81 local base = levent.new( )
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82 local addevent = base.addevent
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83 local EV_READ = levent.EV_READ
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84 local EV_WRITE = levent.EV_WRITE
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85 local EV_TIMEOUT = levent.EV_TIMEOUT
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86 local EV_SIGNAL = levent.EV_SIGNAL
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87
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88 local EV_READWRITE = bitor( EV_READ, EV_WRITE )
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89
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90 local interfacelist = { }
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91
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92 -- Client interface methods
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93 local interface_mt = {}; interface_mt.__index = interface_mt;
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94
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95 -- Private methods
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96 function interface_mt:_close()
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97 return self:_destroy();
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98 end
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99
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100 function interface_mt:_start_connection(plainssl) -- should be called from addclient
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101 local callback = function( event )
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102 if EV_TIMEOUT == event then -- timeout during connection
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103 self.fatalerror = "connection timeout"
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104 self:ontimeout() -- call timeout listener
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105 self:_close()
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106 debug( "new connection failed. id:", self.id, "error:", self.fatalerror )
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107 else
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108 if plainssl and has_luasec then -- start ssl session
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109 self:starttls(self._sslctx, true)
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110 else -- normal connection
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111 self:_start_session(true)
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112 end
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113 debug( "new connection established. id:", self.id )
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114 end
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115 self.eventconnect = nil
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116 return -1
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117 end
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118 self.eventconnect = addevent( base, self.conn, EV_WRITE, callback, cfg.CONNECT_TIMEOUT )
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119 return true
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120 end
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121 function interface_mt:_start_session(call_onconnect) -- new session, for example after startssl
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122 if self.type == "client" then
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123 local callback = function( )
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124 self:_lock( false, false, false )
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125 --vdebug( "start listening on client socket with id:", self.id )
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126 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback, cfg.READ_TIMEOUT ); -- register callback
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127 if call_onconnect then
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128 self:onconnect()
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129 end
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130 self.eventsession = nil
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131 return -1
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132 end
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133 self.eventsession = addevent( base, nil, EV_TIMEOUT, callback, 0 )
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134 else
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135 self:_lock( false )
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136 --vdebug( "start listening on server socket with id:", self.id )
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137 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback ) -- register callback
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138 end
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139 return true
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140 end
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141 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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142 --vdebug( "starting ssl session with client id:", self.id )
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143 local _
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144 _ = self.eventread and self.eventread:close( ) -- close events; this must be called outside of the event callbacks!
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145 _ = self.eventwrite and self.eventwrite:close( )
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146 self.eventread, self.eventwrite = nil, nil
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147 local err
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148 self.conn, err = ssl.wrap( self.conn, self._sslctx )
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149 if err then
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150 self.fatalerror = err
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151 self.conn = nil -- cannot be used anymore
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152 if call_onconnect then
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153 self.ondisconnect = nil -- dont call this when client isnt really connected
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154 end
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155 self:_close()
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156 debug( "fatal error while ssl wrapping:", err )
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157 return false
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158 end
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159 self.conn:settimeout( 0 ) -- set non blocking
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160 local handshakecallback = coroutine_wrap(function( event )
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161 local _, err
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162 local attempt = 0
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163 local maxattempt = cfg.MAX_HANDSHAKE_ATTEMPTS
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164 while attempt < maxattempt do -- no endless loop
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165 attempt = attempt + 1
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166 debug( "ssl handshake of client with id:"..tostring(self)..", attempt:"..attempt )
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167 if attempt > maxattempt then
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168 self.fatalerror = "max handshake attempts exceeded"
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169 elseif EV_TIMEOUT == event then
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170 self.fatalerror = "timeout during handshake"
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171 else
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172 _, err = self.conn:dohandshake( )
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173 if not err then
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174 self:_lock( false, false, false ) -- unlock the interface; sending, closing etc allowed
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175 self.send = self.conn.send -- caching table lookups with new client object
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176 self.receive = self.conn.receive
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177 if not call_onconnect then -- trigger listener
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178 self:onstatus("ssl-handshake-complete");
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179 end
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180 self:_start_session( call_onconnect )
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181 debug( "ssl handshake done" )
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182 self.eventhandshake = nil
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183 return -1
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184 end
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185 if err == "wantwrite" then
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186 event = EV_WRITE
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187 elseif err == "wantread" then
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188 event = EV_READ
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189 else
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190 debug( "ssl handshake error:", err )
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191 self.fatalerror = err
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192 end
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193 end
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194 if self.fatalerror then
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195 if call_onconnect then
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196 self.ondisconnect = nil -- dont call this when client isnt really connected
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197 end
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198 self:_close()
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199 debug( "handshake failed because:", self.fatalerror )
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200 self.eventhandshake = nil
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201 return -1
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202 end
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203 event = coroutine_yield( event, cfg.HANDSHAKE_TIMEOUT ) -- yield this monster...
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204 end
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205 end
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Kim Alvefur <zash@zash.se>
parents: 6856
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206 )
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207 debug "starting handshake..."
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208 self:_lock( false, true, true ) -- unlock read/write events, but keep interface locked
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209 self.eventhandshake = addevent( base, self.conn, EV_READWRITE, handshakecallback, cfg.HANDSHAKE_TIMEOUT )
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210 return true
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211 end
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212 function interface_mt:_destroy() -- close this interface + events and call last listener
6858
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Kim Alvefur <zash@zash.se>
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diff changeset
213 debug( "closing client with id:", self.id, self.fatalerror )
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Kim Alvefur <zash@zash.se>
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diff changeset
214 self:_lock( true, true, true ) -- first of all, lock the interface to avoid further actions
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diff changeset
215 local _
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216 _ = self.eventread and self.eventread:close( )
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Kim Alvefur <zash@zash.se>
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diff changeset
217 if self.type == "client" then
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218 _ = self.eventwrite and self.eventwrite:close( )
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Kim Alvefur <zash@zash.se>
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219 _ = self.eventhandshake and self.eventhandshake:close( )
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220 _ = self.eventstarthandshake and self.eventstarthandshake:close( )
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221 _ = self.eventconnect and self.eventconnect:close( )
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222 _ = self.eventsession and self.eventsession:close( )
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223 _ = self.eventwritetimeout and self.eventwritetimeout:close( )
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Kim Alvefur <zash@zash.se>
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224 _ = self.eventreadtimeout and self.eventreadtimeout:close( )
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225 _ = 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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226 _ = self.conn and self.conn:close( ) -- close connection
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227 _ = self._server and self._server:counter(-1);
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228 self.eventread, self.eventwrite = nil, nil
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229 self.eventstarthandshake, self.eventhandshake, self.eventclose = nil, nil, nil
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230 self.readcallback, self.writecallback = nil, nil
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parents: 6856
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231 else
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Kim Alvefur <zash@zash.se>
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232 self.conn:close( )
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Kim Alvefur <zash@zash.se>
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233 self.eventread, self.eventclose = nil, nil
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Kim Alvefur <zash@zash.se>
parents: 6856
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234 self.interface, self.readcallback = nil, nil
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235 end
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diff changeset
236 interfacelist[ self ] = nil
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237 return true
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238 end
5776
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
239
6851
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240 function interface_mt:_lock(nointerface, noreading, nowriting) -- lock or unlock this interface or events
6858
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diff changeset
241 self.nointerface, self.noreading, self.nowriting = nointerface, noreading, nowriting
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diff changeset
242 return nointerface, noreading, nowriting
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243 end
3000
43a4cb707fe4 net.server_select, net.server_event: Support for :pause() and :resume() on connections
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parents: 2988
diff changeset
244
6851
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245 --TODO: Deprecate
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246 function interface_mt:lock_read(switch)
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
247 if switch then
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Kim Alvefur <zash@zash.se>
parents: 6850
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248 return self:pause();
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Kim Alvefur <zash@zash.se>
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249 else
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Kim Alvefur <zash@zash.se>
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diff changeset
250 return self:resume();
3000
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parents: 2988
diff changeset
251 end
6851
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252 end
3000
43a4cb707fe4 net.server_select, net.server_event: Support for :pause() and :resume() on connections
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diff changeset
253
6851
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254 function interface_mt:pause()
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255 return self:_lock(self.nointerface, true, self.nowriting);
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diff changeset
256 end
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257
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diff changeset
258 function interface_mt:resume()
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259 self:_lock(self.nointerface, false, self.nowriting);
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260 if not self.eventread then
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261 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback, cfg.READ_TIMEOUT ); -- register callback
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262 end
6851
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263 end
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264
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265 function interface_mt:counter(c)
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266 if c then
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267 self._connections = self._connections + c
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268 end
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269 return self._connections
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270 end
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271
6851
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272 -- Public methods
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273 function interface_mt:write(data)
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274 if self.nowriting then return nil, "locked" end
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275 --vdebug( "try to send data to client, id/data:", self.id, data )
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276 data = tostring( data )
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277 local len = #data
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278 local total = len + self.writebufferlen
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279 if total > cfg.MAX_SEND_LENGTH then -- check buffer length
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280 local err = "send buffer exceeded"
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281 debug( "error:", err ) -- to much, check your app
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282 return nil, err
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283 end
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284 t_insert(self.writebuffer, data) -- new buffer
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285 self.writebufferlen = total
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286 if not self.eventwrite then -- register new write event
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287 --vdebug( "register new write event" )
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288 self.eventwrite = addevent( base, self.conn, EV_WRITE, self.writecallback, cfg.WRITE_TIMEOUT )
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289 end
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290 return true
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291 end
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292 function interface_mt:close()
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293 if self.nointerface then return nil, "locked"; end
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294 debug( "try to close client connection with id:", self.id )
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295 if self.type == "client" then
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296 self.fatalerror = "client to close"
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297 if self.eventwrite then -- wait for incomplete write request
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298 self:_lock( true, true, false )
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299 debug "closing delayed until writebuffer is empty"
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300 return nil, "writebuffer not empty, waiting"
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301 else -- close now
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302 self:_lock( true, true, true )
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303 self:_close()
4676
1ce2ff9ec313 net.server_event: Do not automatically close clients when closing a server port
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304 return true
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305 end
6851
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306 else
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307 debug( "try to close server with id:", tostring(self.id))
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308 self.fatalerror = "server to close"
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309 self:_lock( true )
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310 self:_close( 0 )
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311 return true
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312 end
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313 end
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314
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315 function interface_mt:socket()
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316 return self.conn
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317 end
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318
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319 function interface_mt:server()
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320 return self._server or self;
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321 end
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322
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323 function interface_mt:port()
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324 return self._port
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325 end
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326
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327 function interface_mt:serverport()
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328 return self._serverport
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329 end
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330
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331 function interface_mt:ip()
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332 return self._ip
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333 end
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334
6851
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335 function interface_mt:ssl()
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336 return self._usingssl
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337 end
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338 interface_mt.clientport = interface_mt.port -- COMPAT server_select
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339
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340 function interface_mt:type()
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341 return self._type or "client"
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342 end
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343
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344 function interface_mt:connections()
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345 return self._connections
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346 end
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347
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348 function interface_mt:address()
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349 return self.addr
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350 end
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351
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352 function interface_mt:set_sslctx(sslctx)
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353 self._sslctx = sslctx;
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354 if sslctx then
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355 self.starttls = nil; -- use starttls() of interface_mt
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356 else
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357 self.starttls = false; -- prevent starttls()
2534
1f46a9d9b16a net.server_event: Support :setlistener() method on connections to work with port multiplexing
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parents: 2478
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358 end
6851
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359 end
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e67891ad18d6 net.server_event: Add support for listener.onreadtimeout(conn), which can return true to prevent the connection from being closed when a read timeout occurs
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parents: 5531
diff changeset
360
6851
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361 function interface_mt:set_mode(pattern)
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362 if pattern then
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363 self._pattern = pattern;
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364 end
6851
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365 return self._pattern;
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366 end
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367
6852
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368 function interface_mt:set_send(new_send) -- luacheck: ignore 212
6851
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369 -- No-op, we always use the underlying connection's send
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370 end
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371
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372 function interface_mt:starttls(sslctx, call_onconnect)
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373 debug( "try to start ssl at client id:", self.id )
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374 local err
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375 self._sslctx = sslctx;
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376 if self._usingssl then -- startssl was already called
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377 err = "ssl already active"
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378 end
6851
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379 if err then
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380 debug( "error:", err )
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381 return nil, err
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382 end
6851
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383 self._usingssl = true
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384 self.startsslcallback = function( ) -- we have to start the handshake outside of a read/write event
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385 self.startsslcallback = nil
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386 self:_start_ssl(call_onconnect);
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387 self.eventstarthandshake = nil
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388 return -1
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parents: 6850
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389 end
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parents: 6850
diff changeset
390 if not self.eventwrite then
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391 self:_lock( true, true, true ) -- lock the interface, to not disturb the handshake
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diff changeset
392 self.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, self.startsslcallback, 0 ) -- add event to start handshake
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diff changeset
393 else -- wait until writebuffer is empty
6860
153a2e49c4f7 server_event: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 6859
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394 self:_lock( true, true, false )
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parents: 6859
diff changeset
395 debug "ssl session delayed until writebuffer is empty..."
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parents: 6859
diff changeset
396 end
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Kim Alvefur <zash@zash.se>
parents: 6859
diff changeset
397 self.starttls = false;
153a2e49c4f7 server_event: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 6859
diff changeset
398 return true
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
399 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
400
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
401 function interface_mt:setoption(option, value)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
402 if self.conn.setoption then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
403 return self.conn:setoption(option, value);
5625
e67891ad18d6 net.server_event: Add support for listener.onreadtimeout(conn), which can return true to prevent the connection from being closed when a read timeout occurs
Matthew Wild <mwild1@gmail.com>
parents: 5531
diff changeset
404 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
405 return false, "setoption not implemented";
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
406 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
407
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
408 function interface_mt:setlistener(listener)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
409 self:ondetach(); -- Notify listener that it is no longer responsible for this connection
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
410 self.onconnect, self.ondisconnect, self.onincoming, self.ontimeout,
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
411 self.onreadtimeout, self.onstatus, self.ondetach
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
412 = listener.onconnect, listener.ondisconnect, listener.onincoming, listener.ontimeout,
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
413 listener.onreadtimeout, listener.onstatus, listener.ondetach;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
414 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
415
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
416 -- Stub handlers
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
417 function interface_mt:onconnect()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
418 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
419 function interface_mt:onincoming()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
420 end
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
421 function interface_mt:ondisconnect()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
422 end
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
423 function interface_mt:ontimeout()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
424 end
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
425 function interface_mt:onreadtimeout()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
426 self.fatalerror = "timeout during receiving"
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
427 debug( "connection failed:", self.fatalerror )
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
428 self:_close()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
429 self.eventread = nil
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
430 end
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
431 function interface_mt:ondrain()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
432 end
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
433 function interface_mt:ondetach()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
434 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
435 function interface_mt:onstatus()
2535
75bb31b6c53f net.server_event: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2534
diff changeset
436 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
437
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
438 -- End of client interface methods
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
439
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
440 local function handleclient( client, ip, port, server, pattern, listener, sslctx ) -- creates an client interface
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
441 --vdebug("creating client interfacce...")
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
442 local interface = {
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
443 type = "client";
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
444 conn = client;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
445 currenttime = socket_gettime( ); -- safe the origin
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
446 writebuffer = {}; -- writebuffer
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
447 writebufferlen = 0; -- length of writebuffer
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
448 send = client.send; -- caching table lookups
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
449 receive = client.receive;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
450 onconnect = listener.onconnect; -- will be called when client disconnects
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
451 ondisconnect = listener.ondisconnect; -- will be called when client disconnects
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
452 onincoming = listener.onincoming; -- will be called when client sends data
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
453 ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
454 onreadtimeout = listener.onreadtimeout; -- called when socket inactivity timeout occurs
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
455 ondrain = listener.ondrain; -- called when writebuffer is empty
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
456 ondetach = listener.ondetach; -- called when disassociating this listener from this connection
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
457 onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
458 eventread = false, eventwrite = false, eventclose = false,
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
459 eventhandshake = false, eventstarthandshake = false; -- event handler
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
460 eventconnect = false, eventsession = false; -- more event handler...
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
461 eventwritetimeout = false; -- even more event handler...
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
462 eventreadtimeout = false;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
463 fatalerror = false; -- error message
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
464 writecallback = false; -- will be called on write events
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
465 readcallback = false; -- will be called on read events
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
466 nointerface = true; -- lock/unlock parameter of this interface
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
467 noreading = false, nowriting = false; -- locks of the read/writecallback
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
468 startsslcallback = false; -- starting handshake callback
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
469 position = false; -- position of client in interfacelist
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
470
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
471 -- Properties
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
472 _ip = ip, _port = port, _server = server, _pattern = pattern,
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
473 _serverport = (server and server:port() or nil),
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
474 _sslctx = sslctx; -- parameters
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
475 _usingssl = false; -- client is using ssl;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
476 }
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
477 if not has_luasec then interface.starttls = false; end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
478 interface.id = tostring(interface):match("%x+$");
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
479 interface.writecallback = function( event ) -- called on write events
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
480 --vdebug( "new client write event, id/ip/port:", interface, ip, port )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
481 if interface.nowriting or ( interface.fatalerror and ( "client to close" ~= interface.fatalerror ) ) then -- leave this event
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
482 --vdebug( "leaving this event because:", interface.nowriting or interface.fatalerror )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
483 interface.eventwrite = false
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
484 return -1
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
485 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
486 if EV_TIMEOUT == event then -- took too long to write some data to socket -> disconnect
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
487 interface.fatalerror = "timeout during writing"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
488 debug( "writing failed:", interface.fatalerror )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
489 interface:_close()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
490 interface.eventwrite = false
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
491 return -1
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
492 else -- can write :)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
493 if interface._usingssl then -- handle luasec
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
494 if interface.eventreadtimeout then -- we have to read first
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
495 local ret = interface.readcallback( ) -- call readcallback
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
496 --vdebug( "tried to read in writecallback, result:", ret )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
497 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
498 if interface.eventwritetimeout then -- luasec only
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
499 interface.eventwritetimeout:close( ) -- first we have to close timeout event which where regged after a wantread error
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
500 interface.eventwritetimeout = false
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
501 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
502 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
503 interface.writebuffer = { t_concat(interface.writebuffer) }
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
504 local succ, err, byte = interface.conn:send( interface.writebuffer[1], 1, interface.writebufferlen )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
505 --vdebug( "write data:", interface.writebuffer, "error:", err, "part:", byte )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
506 if succ then -- writing succesful
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
507 interface.writebuffer[1] = nil
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
508 interface.writebufferlen = 0
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
509 interface:ondrain();
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
510 if interface.fatalerror then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
511 debug "closing client after writing"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
512 interface:_close() -- close interface if needed
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
513 elseif interface.startsslcallback then -- start ssl connection if needed
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
514 debug "starting ssl handshake after writing"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
515 interface.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, interface.startsslcallback, 0 )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
516 elseif interface.eventreadtimeout then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
517 return EV_WRITE, EV_TIMEOUT
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
518 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
519 interface.eventwrite = nil
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
520 return -1
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
521 elseif byte and (err == "timeout" or err == "wantwrite") then -- want write again
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
522 --vdebug( "writebuffer is not empty:", err )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
523 interface.writebuffer[1] = s_sub( interface.writebuffer[1], byte + 1, interface.writebufferlen ) -- new buffer
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
524 interface.writebufferlen = interface.writebufferlen - byte
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
525 if "wantread" == err then -- happens only with luasec
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
526 local callback = function( )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
527 interface:_close()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
528 interface.eventwritetimeout = nil
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
529 return -1;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
530 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
531 interface.eventwritetimeout = addevent( base, nil, EV_TIMEOUT, callback, cfg.WRITE_TIMEOUT ) -- reg a new timeout event
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
532 debug( "wantread during write attempt, reg it in readcallback but dont know what really happens next..." )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
533 -- hopefully this works with luasec; its simply not possible to use 2 different write events on a socket in luaevent
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
534 return -1
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
535 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
536 return EV_WRITE, cfg.WRITE_TIMEOUT
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
537 else -- connection was closed during writing or fatal error
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
538 interface.fatalerror = err or "fatal error"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
539 debug( "connection failed in write event:", interface.fatalerror )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
540 interface:_close()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
541 interface.eventwrite = nil
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
542 return -1
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
543 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
544 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
545 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
546
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
547 interface.readcallback = function( event ) -- called on read events
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
548 --vdebug( "new client read event, id/ip/port:", tostring(interface.id), tostring(ip), tostring(port) )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
549 if interface.noreading or interface.fatalerror then -- leave this event
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
550 --vdebug( "leaving this event because:", tostring(interface.noreading or interface.fatalerror) )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
551 interface.eventread = nil
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
552 return -1
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
553 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
554 if EV_TIMEOUT == event and interface:onreadtimeout() ~= true then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
555 return -1 -- took too long to get some data from client -> disconnect
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
556 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
557 if interface._usingssl then -- handle luasec
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
558 if interface.eventwritetimeout then -- ok, in the past writecallback was regged
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
559 local ret = interface.writecallback( ) -- call it
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
560 --vdebug( "tried to write in readcallback, result:", tostring(ret) )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
561 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
562 if interface.eventreadtimeout then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
563 interface.eventreadtimeout:close( )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
564 interface.eventreadtimeout = nil
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
565 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
566 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
567 local buffer, err, part = interface.conn:receive( interface._pattern ) -- receive buffer with "pattern"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
568 --vdebug( "read data:", tostring(buffer), "error:", tostring(err), "part:", tostring(part) )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
569 buffer = buffer or part
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
570 if buffer and #buffer > cfg.MAX_READ_LENGTH then -- check buffer length
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
571 interface.fatalerror = "receive buffer exceeded"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
572 debug( "fatal error:", interface.fatalerror )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
573 interface:_close()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
574 interface.eventread = nil
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
575 return -1
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
576 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
577 if err and ( err ~= "timeout" and err ~= "wantread" ) then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
578 if "wantwrite" == err then -- need to read on write event
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
579 if not interface.eventwrite then -- register new write event if needed
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
580 interface.eventwrite = addevent( base, interface.conn, EV_WRITE, interface.writecallback, cfg.WRITE_TIMEOUT )
5625
e67891ad18d6 net.server_event: Add support for listener.onreadtimeout(conn), which can return true to prevent the connection from being closed when a read timeout occurs
Matthew Wild <mwild1@gmail.com>
parents: 5531
diff changeset
581 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
582 interface.eventreadtimeout = addevent( base, nil, EV_TIMEOUT,
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
583 function( )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
584 interface:_close()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
585 end, cfg.READ_TIMEOUT
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
586 )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
587 debug( "wantwrite during read attempt, reg it in writecallback but dont know what really happens next..." )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
588 -- to be honest i dont know what happens next, if it is allowed to first read, the write etc...
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
589 else -- connection was closed or fatal error
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
590 interface.fatalerror = err
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
591 debug( "connection failed in read event:", interface.fatalerror )
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
592 interface:_close()
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
593 interface.eventread = nil
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
594 return -1
5625
e67891ad18d6 net.server_event: Add support for listener.onreadtimeout(conn), which can return true to prevent the connection from being closed when a read timeout occurs
Matthew Wild <mwild1@gmail.com>
parents: 5531
diff changeset
595 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
596 else
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
597 interface.onincoming( interface, buffer, err ) -- send new data to listener
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
598 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
599 if interface.noreading then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
600 interface.eventread = nil;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
601 return -1;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
602 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
603 return EV_READ, cfg.READ_TIMEOUT
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
604 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
605
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
606 client:settimeout( 0 ) -- set non blocking
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
607 setmetatable(interface, interface_mt)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
608 interfacelist[ interface ] = true -- add to interfacelist
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
609 return interface
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
610 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
611
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
612 local function handleserver( server, addr, port, pattern, listener, sslctx ) -- creates an server interface
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
613 debug "creating server interface..."
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
614 local interface = {
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
615 _connections = 0;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
616
7040
bdcea2dd33b8 net.server_event: Add conn.type == 'server' for server sockets (fixes closeallservers() )
Matthew Wild <mwild1@gmail.com>
parents: 6860
diff changeset
617 type = "server";
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
618 conn = server;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
619 onconnect = listener.onconnect; -- will be called when new client connected
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
620 eventread = false; -- read event handler
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
621 eventclose = false; -- close event handler
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
622 readcallback = false; -- read event callback
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
623 fatalerror = false; -- error message
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
624 nointerface = true; -- lock/unlock parameter
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
625
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
626 _ip = addr, _port = port, _pattern = pattern,
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
627 _sslctx = sslctx;
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
628 }
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
629 interface.id = tostring(interface):match("%x+$");
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
630 interface.readcallback = function( event ) -- server handler, called on incoming connections
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
631 --vdebug( "server can accept, id/addr/port:", interface, addr, port )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
632 if interface.fatalerror then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
633 --vdebug( "leaving this event because:", self.fatalerror )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
634 interface.eventread = nil
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
635 return -1
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
636 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
637 local delay = cfg.ACCEPT_DELAY
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
638 if EV_TIMEOUT == event then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
639 if interface._connections >= cfg.MAX_CONNECTIONS then -- check connection count
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
640 debug( "to many connections, seconds to wait for next accept:", delay )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
641 return EV_TIMEOUT, delay -- timeout...
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
642 else
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
643 return EV_READ -- accept again
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
644 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
645 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
646 --vdebug("max connection check ok, accepting...")
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
647 local client, err = server:accept() -- try to accept; TODO: check err
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
648 while client do
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
649 if interface._connections >= cfg.MAX_CONNECTIONS then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
650 client:close( ) -- refuse connection
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
651 debug( "maximal connections reached, refuse client connection; accept delay:", delay )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
652 return EV_TIMEOUT, delay -- delay for next accept attempt
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
653 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
654 local client_ip, client_port = client:getpeername( )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
655 interface._connections = interface._connections + 1 -- increase connection count
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
656 local clientinterface = handleclient( client, client_ip, client_port, interface, pattern, listener, sslctx )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
657 --vdebug( "client id:", clientinterface, "startssl:", startssl )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
658 if has_luasec and sslctx then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
659 clientinterface:starttls(sslctx, true)
5625
e67891ad18d6 net.server_event: Add support for listener.onreadtimeout(conn), which can return true to prevent the connection from being closed when a read timeout occurs
Matthew Wild <mwild1@gmail.com>
parents: 5531
diff changeset
660 else
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
661 clientinterface:_start_session( true )
5625
e67891ad18d6 net.server_event: Add support for listener.onreadtimeout(conn), which can return true to prevent the connection from being closed when a read timeout occurs
Matthew Wild <mwild1@gmail.com>
parents: 5531
diff changeset
662 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
663 debug( "accepted incoming client connection from:", client_ip or "<unknown IP>", client_port or "<unknown port>", "to", port or "<unknown port>");
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
664
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
665 client, err = server:accept() -- try to accept again
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
666 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
667 return EV_READ
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
668 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
669
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
670 server:settimeout( 0 )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
671 setmetatable(interface, interface_mt)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
672 interfacelist[ interface ] = true
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
673 interface:_start_session()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
674 return interface
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
675 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
676
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
677 local function addserver( addr, port, listener, pattern, sslctx, startssl ) -- TODO: check arguments
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
678 --vdebug( "creating new tcp server with following parameters:", addr or "nil", port or "nil", sslctx or "nil", startssl or "nil")
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
679 if sslctx and not has_luasec then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
680 debug "fatal error: luasec not found"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
681 return nil, "luasec not found"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
682 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
683 local server, err = socket.bind( addr, port, cfg.ACCEPT_QUEUE ) -- create server socket
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
684 if not server then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
685 debug( "creating server socket on "..addr.." port "..port.." failed:", err )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
686 return nil, err
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
687 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
688 local interface = handleserver( server, addr, port, pattern, listener, sslctx, startssl ) -- new server handler
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
689 debug( "new server created with id:", tostring(interface))
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
690 return interface
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
691 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
692
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
693 local function wrapclient( client, ip, port, listeners, pattern, sslctx )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
694 local interface = handleclient( client, ip, port, nil, pattern, listeners, sslctx )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
695 interface:_start_connection(sslctx)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
696 return interface, client
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
697 --function handleclient( client, ip, port, server, pattern, listener, _, sslctx ) -- creates an client interface
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
698 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
699
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
700 local function addclient( addr, serverport, listener, pattern, sslctx, typ )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
701 if sslctx and not has_luasec then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
702 debug "need luasec, but not available"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
703 return nil, "luasec not found"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
704 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
705 if not typ then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
706 local addrinfo, err = getaddrinfo(addr)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
707 if not addrinfo then return nil, err end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
708 if addrinfo[1] and addrinfo[1].family == "inet6" then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
709 typ = "tcp6"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
710 else
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
711 typ = "tcp"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
712 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
713 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
714 local create = socket[typ]
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
715 if type( create ) ~= "function" then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
716 return nil, "invalid socket type"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
717 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
718 local client, err = create() -- creating new socket
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
719 if not client then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
720 debug( "cannot create socket:", err )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
721 return nil, err
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
722 end
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
723 client:settimeout( 0 ) -- set nonblocking
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
724 local res, err = client:connect( addr, serverport ) -- connect
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
725 if res or ( err == "timeout" ) then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
726 local ip, port = client:getsockname( )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
727 local interface = wrapclient( client, ip, serverport, listener, pattern, sslctx )
6854
d05bbf0bd620 server_event: Remove unused former argument (fixes global access) [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6853
diff changeset
728 interface:_start_connection( sslctx )
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
729 debug( "new connection id:", interface.id )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
730 return interface, err
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
731 else
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
732 debug( "new connection failed:", err )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
733 return nil, 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
734 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
735 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
736
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
737 local function loop( ) -- 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
738 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
739 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
740 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
741
6850
41de00647ad3 server_event: Move local references to various functions to top of file
Kim Alvefur <zash@zash.se>
parents: 6849
diff changeset
742 local function newevent( ... )
41de00647ad3 server_event: Move local references to various functions to top of file
Kim Alvefur <zash@zash.se>
parents: 6849
diff changeset
743 return addevent( base, ... )
41de00647ad3 server_event: Move local references to various functions to top of file
Kim Alvefur <zash@zash.se>
parents: 6849
diff changeset
744 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
745
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
746 local function closeallservers ( arg )
6849
0455b9686e16 server_event: Replace implementation of ordered set with a simple table set
Kim Alvefur <zash@zash.se>
parents: 6819
diff changeset
747 for item in pairs( 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
748 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
749 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
750 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
751 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
752 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
753
2335
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
754 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
755 if yes then
6858
d8f8c0b2fda8 server_event: Normalize indentation
Kim Alvefur <zash@zash.se>
parents: 6856
diff changeset
756 -- Quit now
d8f8c0b2fda8 server_event: Normalize indentation
Kim Alvefur <zash@zash.se>
parents: 6856
diff changeset
757 closeallservers();
d8f8c0b2fda8 server_event: Normalize indentation
Kim Alvefur <zash@zash.se>
parents: 6856
diff changeset
758 base:loopexit();
2335
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
759 end
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
760 end
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
761
4399
1b4161970842 net.server_event, net.server_select: Fixed some global pollution.
Waqas Hussain <waqas20@gmail.com>
parents: 4377
diff changeset
762 local function get_backend()
2340
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
763 return base:method();
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
764 end
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
765
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
766 -- 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
767 -- 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
768 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
769 local function hook_signal(signal_num, handler)
6856
489f4ae291bf server_event: Remove unused argument [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6855
diff changeset
770 local function _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
771 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
772 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
773 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
774 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
775 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
776 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
777 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
778 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
779 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
780
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
781 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
782 local sender_locked;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
783
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
784 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
785 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
786 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
787 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
788 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
789 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
790
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
791 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
792 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
793 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
794 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
795 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
796 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
797 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
798 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
799 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
800
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
801 return {
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
802 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
803 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
804 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
805 link = link,
6853
a2cc477eb19b server_event: Rename luaevent module variable to avoid name clash [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6852
diff changeset
806 event = levent,
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
807 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
808 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
809 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
810 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
811 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
812 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
813 closeall = closeallservers,
2340
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
814 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
815 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
816
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
817 __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
818 __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
819 __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
820 __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
821
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
822 }