Annotate

net/server_event.lua @ 7380:d24d88feed76

mod_bosh: Return a proper BOSH error response from XML parse error callback (see #343)
author Kim Alvefur <zash@zash.se>
date Tue, 19 Apr 2016 12:19:15 +0200
parent 7339:b5565715fce8
child 7341:aa94cd27df4d
child 7385:17929cdacec2
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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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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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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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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) -- called from wrapclient
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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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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
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213 debug( "closing client with id:", self.id, self.fatalerror )
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214 self:_lock( true, true, true ) -- first of all, lock the interface to avoid further actions
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215 local _
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216 _ = self.eventread and self.eventread:close( )
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217 if self.type == "client" then
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218 _ = self.eventwrite and self.eventwrite:close( )
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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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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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231 else
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232 self.conn:close( )
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233 self.eventread, self.eventclose = nil, nil
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234 self.interface, self.readcallback = nil, nil
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235 end
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236 interfacelist[ self ] = nil
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237 return true
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238 end
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239
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240 function interface_mt:_lock(nointerface, noreading, nowriting) -- lock or unlock this interface or events
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241 self.nointerface, self.noreading, self.nowriting = nointerface, noreading, nowriting
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242 return nointerface, noreading, nowriting
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243 end
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244
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245 --TODO: Deprecate
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246 function interface_mt:lock_read(switch)
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247 if switch then
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248 return self:pause();
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249 else
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250 return self:resume();
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251 end
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252 end
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43a4cb707fe4 net.server_select, net.server_event: Support for :pause() and :resume() on connections
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parents: 2988
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253
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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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256 end
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257
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258 function interface_mt:resume()
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259 self:_lock(self.nointerface, false, self.nowriting);
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260 if self.readcallback and 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 return true;
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263 end
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264 end
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265
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266 function interface_mt:counter(c)
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267 if c then
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268 self._connections = self._connections + c
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269 end
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270 return self._connections
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271 end
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272
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273 -- Public methods
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274 function interface_mt:write(data)
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275 if self.nowriting then return nil, "locked" end
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276 --vdebug( "try to send data to client, id/data:", self.id, data )
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277 data = tostring( data )
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278 local len = #data
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279 local total = len + self.writebufferlen
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280 if total > cfg.MAX_SEND_LENGTH then -- check buffer length
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281 local err = "send buffer exceeded"
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282 debug( "error:", err ) -- to much, check your app
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283 return nil, err
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284 end
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285 t_insert(self.writebuffer, data) -- new buffer
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286 self.writebufferlen = total
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287 if not self.eventwrite then -- register new write event
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288 --vdebug( "register new write event" )
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289 self.eventwrite = addevent( base, self.conn, EV_WRITE, self.writecallback, cfg.WRITE_TIMEOUT )
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290 end
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291 return true
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292 end
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293 function interface_mt:close()
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294 if self.nointerface then return nil, "locked"; end
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295 debug( "try to close client connection with id:", self.id )
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296 if self.type == "client" then
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297 self.fatalerror = "client to close"
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298 if self.eventwrite then -- wait for incomplete write request
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299 self:_lock( true, true, false )
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300 debug "closing delayed until writebuffer is empty"
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301 return nil, "writebuffer not empty, waiting"
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302 else -- close now
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303 self:_lock( true, true, true )
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304 self:_close()
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305 return true
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306 end
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307 else
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308 debug( "try to close server with id:", tostring(self.id))
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309 self.fatalerror = "server to close"
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310 self:_lock( true )
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311 self:_close( 0 )
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312 return true
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313 end
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314 end
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315
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316 function interface_mt:socket()
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317 return self.conn
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318 end
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319
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320 function interface_mt:server()
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321 return self._server or self;
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322 end
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323
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324 function interface_mt:port()
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325 return self._port
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326 end
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327
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328 function interface_mt:serverport()
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329 return self._serverport
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330 end
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331
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332 function interface_mt:ip()
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333 return self._ip
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334 end
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335
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336 function interface_mt:ssl()
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337 return self._usingssl
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338 end
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339 interface_mt.clientport = interface_mt.port -- COMPAT server_select
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340
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341 function interface_mt:type()
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342 return self._type or "client"
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343 end
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344
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345 function interface_mt:connections()
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346 return self._connections
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347 end
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348
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349 function interface_mt:address()
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350 return self.addr
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351 end
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352
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353 function interface_mt:set_sslctx(sslctx)
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354 self._sslctx = sslctx;
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355 if sslctx then
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356 self.starttls = nil; -- use starttls() of interface_mt
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357 else
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358 self.starttls = false; -- prevent starttls()
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359 end
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360 end
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fa00c6f563b4 net.server_select, net.server_event: Rename :pattern() method to :set_mode() for select backend, and add :set_mode() to event backend
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361
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362 function interface_mt:set_mode(pattern)
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363 if pattern then
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364 self._pattern = pattern;
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365 end
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366 return self._pattern;
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367 end
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368
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369 function interface_mt:set_send(new_send) -- luacheck: ignore 212
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370 -- No-op, we always use the underlying connection's send
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371 end
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372
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373 function interface_mt:starttls(sslctx, call_onconnect)
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374 debug( "try to start ssl at client id:", self.id )
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375 local err
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376 self._sslctx = sslctx;
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377 if self._usingssl then -- startssl was already called
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378 err = "ssl already active"
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379 end
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380 if err then
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381 debug( "error:", err )
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382 return nil, err
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383 end
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384 self._usingssl = true
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385 self.startsslcallback = function( ) -- we have to start the handshake outside of a read/write event
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386 self.startsslcallback = nil
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387 self:_start_ssl(call_onconnect);
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388 self.eventstarthandshake = nil
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389 return -1
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390 end
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391 if not self.eventwrite then
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392 self:_lock( true, true, true ) -- lock the interface, to not disturb the handshake
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393 self.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, self.startsslcallback, 0 ) -- add event to start handshake
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394 else
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395 -- wait until writebuffer is empty
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396 self:_lock( true, true, false )
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397 debug "ssl session delayed until writebuffer is empty..."
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398 end
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399 self.starttls = false;
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400 return true
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401 end
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402
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403 function interface_mt:setoption(option, value)
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parents: 7224
diff changeset
404 if self.conn.setoption then
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parents: 7224
diff changeset
405 return self.conn:setoption(option, value);
2453
44d4c69155e0 net.server_event: Add conn:setoption() to set options on the socket
Matthew Wild <mwild1@gmail.com>
parents: 2434
diff changeset
406 end
7336
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
407 return false, "setoption not implemented";
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Kim Alvefur <zash@zash.se>
parents: 7224
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408 end
6851
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
409
7336
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
410 function interface_mt:setlistener(listener)
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
411 self:ondetach(); -- Notify listener that it is no longer responsible for this connection
7337
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Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
412 self.onconnect = listener.onconnect;
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Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
413 self.ondisconnect = listener.ondisconnect;
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Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
414 self.onincoming = listener.onincoming;
8ec935687bae server_event: Split long list of assignments into multiple lines for readability
Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
415 self.ontimeout = listener.ontimeout;
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Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
416 self.onreadtimeout = listener.onreadtimeout;
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Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
417 self.onstatus = listener.onstatus;
8ec935687bae server_event: Split long list of assignments into multiple lines for readability
Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
418 self.ondetach = listener.ondetach;
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parents: 7224
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419 end
6851
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Kim Alvefur <zash@zash.se>
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420
7336
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parents: 7224
diff changeset
421 -- Stub handlers
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Kim Alvefur <zash@zash.se>
parents: 7224
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422 function interface_mt:onconnect()
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Kim Alvefur <zash@zash.se>
parents: 7224
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423 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
424 function interface_mt:onincoming()
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
425 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
426 function interface_mt:ondisconnect()
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Kim Alvefur <zash@zash.se>
parents: 7224
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427 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
428 function interface_mt:ontimeout()
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Kim Alvefur <zash@zash.se>
parents: 7224
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429 end
6851
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Kim Alvefur <zash@zash.se>
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diff changeset
430 function interface_mt:onreadtimeout()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
431 self.fatalerror = "timeout during receiving"
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
432 debug( "connection failed:", self.fatalerror )
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
433 self:_close()
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
434 self.eventread = nil
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Kim Alvefur <zash@zash.se>
parents: 6850
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435 end
7336
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
436 function interface_mt:ondrain()
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
437 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
438 function interface_mt:ondetach()
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
439 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
440 function interface_mt:onstatus()
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
441 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
442
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
443 -- 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
444
6851
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Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
445 local function handleclient( client, ip, port, server, pattern, listener, sslctx ) -- creates an client interface
7336
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
446 --vdebug("creating client interfacce...")
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
447 local interface = {
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
448 type = "client";
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
449 conn = client;
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
450 currenttime = socket_gettime( ); -- safe the origin
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
451 writebuffer = {}; -- writebuffer
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
452 writebufferlen = 0; -- length of writebuffer
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
453 send = client.send; -- caching table lookups
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
454 receive = client.receive;
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
455 onconnect = listener.onconnect; -- will be called when client disconnects
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
456 ondisconnect = listener.ondisconnect; -- will be called when client disconnects
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
457 onincoming = listener.onincoming; -- will be called when client sends data
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
458 ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
459 onreadtimeout = listener.onreadtimeout; -- called when socket inactivity timeout occurs
7336
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
460 ondrain = listener.ondrain; -- called when writebuffer is empty
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
461 ondetach = listener.ondetach; -- called when disassociating this listener from this connection
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
462 onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS)
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
463 eventread = false, eventwrite = false, eventclose = false,
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
464 eventhandshake = false, eventstarthandshake = false; -- event handler
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
465 eventconnect = false, eventsession = false; -- more event handler...
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
466 eventwritetimeout = false; -- even more event handler...
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
467 eventreadtimeout = false;
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
468 fatalerror = false; -- error message
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
469 writecallback = false; -- will be called on write events
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
470 readcallback = false; -- will be called on read events
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
471 nointerface = true; -- lock/unlock parameter of this interface
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
472 noreading = false, nowriting = false; -- locks of the read/writecallback
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
473 startsslcallback = false; -- starting handshake callback
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
474 position = false; -- position of client in interfacelist
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
475
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
476 -- Properties
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
477 _ip = ip, _port = port, _server = server, _pattern = pattern,
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
478 _serverport = (server and server:port() or nil),
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
479 _sslctx = sslctx; -- parameters
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Kim Alvefur <zash@zash.se>
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diff changeset
480 _usingssl = false; -- client is using ssl;
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Kim Alvefur <zash@zash.se>
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diff changeset
481 }
6851
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diff changeset
482 if not has_luasec then interface.starttls = false; end
7336
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
483 interface.id = tostring(interface):match("%x+$");
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
484 interface.writecallback = function( event ) -- called on write events
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
485 --vdebug( "new client write event, id/ip/port:", interface, ip, port )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
486 if interface.nowriting or ( interface.fatalerror and ( "client to close" ~= interface.fatalerror ) ) then -- leave this event
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
487 --vdebug( "leaving this event because:", interface.nowriting or interface.fatalerror )
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
488 interface.eventwrite = false
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
489 return -1
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
490 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
491 if EV_TIMEOUT == event then -- took too long to write some data to socket -> disconnect
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
492 interface.fatalerror = "timeout during writing"
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
493 debug( "writing failed:", interface.fatalerror )
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
494 interface:_close()
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
495 interface.eventwrite = false
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
496 return -1
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
497 else -- can write :)
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
498 if interface._usingssl then -- handle luasec
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
499 if interface.eventreadtimeout then -- we have to read first
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
500 local ret = interface.readcallback( ) -- call readcallback
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
501 --vdebug( "tried to read in writecallback, result:", ret )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
502 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
503 if interface.eventwritetimeout then -- luasec only
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
504 interface.eventwritetimeout:close( ) -- first we have to close timeout event which where regged after a wantread error
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
505 interface.eventwritetimeout = false
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
506 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
507 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
508 interface.writebuffer = { t_concat(interface.writebuffer) }
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
509 local succ, err, byte = interface.conn:send( interface.writebuffer[1], 1, interface.writebufferlen )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
510 --vdebug( "write data:", interface.writebuffer, "error:", err, "part:", byte )
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
511 if succ then -- writing succesful
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
512 interface.writebuffer[1] = nil
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
513 interface.writebufferlen = 0
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
514 interface:ondrain();
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
515 if interface.fatalerror then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
516 debug "closing client after writing"
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
517 interface:_close() -- close interface if needed
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
518 elseif interface.startsslcallback then -- start ssl connection if needed
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
519 debug "starting ssl handshake after writing"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
520 interface.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, interface.startsslcallback, 0 )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
521 elseif interface.eventreadtimeout then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
522 return EV_WRITE, EV_TIMEOUT
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
523 end
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
524 interface.eventwrite = nil
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
525 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
526 elseif byte and (err == "timeout" or err == "wantwrite") then -- want write again
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
527 --vdebug( "writebuffer is not empty:", err )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
528 interface.writebuffer[1] = s_sub( interface.writebuffer[1], byte + 1, interface.writebufferlen ) -- new buffer
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
529 interface.writebufferlen = interface.writebufferlen - byte
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
530 if "wantread" == err then -- happens only with luasec
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
531 local callback = function( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
532 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
533 interface.eventwritetimeout = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
534 return -1;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
535 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
536 interface.eventwritetimeout = addevent( base, nil, EV_TIMEOUT, callback, cfg.WRITE_TIMEOUT ) -- reg a new timeout event
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
537 debug( "wantread during write attempt, reg it in readcallback but dont know what really happens next..." )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
538 -- hopefully this works with luasec; its simply not possible to use 2 different write events on a socket in luaevent
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
539 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
540 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
541 return EV_WRITE, cfg.WRITE_TIMEOUT
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
542 else -- connection was closed during writing or fatal error
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
543 interface.fatalerror = err or "fatal error"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
544 debug( "connection failed in write event:", interface.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
545 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
546 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
547 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
548 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
549 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
550 end
7224
07a4c807a94a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7040 7223
diff changeset
551
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
552 interface.readcallback = function( event ) -- called on read events
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
553 --vdebug( "new client read event, id/ip/port:", tostring(interface.id), tostring(ip), tostring(port) )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
554 if interface.noreading or interface.fatalerror then -- leave this event
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
555 --vdebug( "leaving this event because:", tostring(interface.noreading or interface.fatalerror) )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
556 interface.eventread = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
557 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
558 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
559 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
560 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
561 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
562 if interface._usingssl then -- handle luasec
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
563 if interface.eventwritetimeout then -- ok, in the past writecallback was regged
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
564 local ret = interface.writecallback( ) -- call it
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
565 --vdebug( "tried to write in readcallback, result:", tostring(ret) )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
566 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
567 if interface.eventreadtimeout then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
568 interface.eventreadtimeout:close( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
569 interface.eventreadtimeout = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
570 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
571 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
572 local buffer, err, part = interface.conn:receive( interface._pattern ) -- receive buffer with "pattern"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
573 --vdebug( "read data:", tostring(buffer), "error:", tostring(err), "part:", tostring(part) )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
574 buffer = buffer or part
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
575 if buffer and #buffer > cfg.MAX_READ_LENGTH then -- check buffer length
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
576 interface.fatalerror = "receive buffer exceeded"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
577 debug( "fatal error:", interface.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
578 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
579 interface.eventread = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
580 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
581 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
582 if err and ( err ~= "timeout" and err ~= "wantread" ) then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
583 if "wantwrite" == err then -- need to read on write event
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
584 if not interface.eventwrite then -- register new write event if needed
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
585 interface.eventwrite = addevent( base, interface.conn, EV_WRITE, interface.writecallback, cfg.WRITE_TIMEOUT )
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
586 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
587 interface.eventreadtimeout = addevent( base, nil, EV_TIMEOUT,
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
588 function( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
589 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
590 end, cfg.READ_TIMEOUT
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
591 )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
592 debug( "wantwrite during read attempt, reg it in writecallback but dont know what really happens next..." )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
593 -- to be honest i dont know what happens next, if it is allowed to first read, the write etc...
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
594 else -- connection was closed or fatal error
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
595 interface.fatalerror = err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
596 debug( "connection failed in read event:", interface.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
597 interface:_close()
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
598 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
599 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
600 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
601 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
602 interface.onincoming( interface, buffer, err ) -- send new data to listener
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
603 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
604 if interface.noreading then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
605 interface.eventread = nil;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
606 return -1;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
607 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
608 return EV_READ, cfg.READ_TIMEOUT
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
609 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
610
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
611 client:settimeout( 0 ) -- set non blocking
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
612 setmetatable(interface, interface_mt)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
613 interfacelist[ interface ] = true -- add to interfacelist
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
614 return interface
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
615 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
616
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
617 local function handleserver( server, addr, port, pattern, listener, sslctx ) -- creates an server interface
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
618 debug "creating server interface..."
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
619 local interface = {
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
620 _connections = 0;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
621
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
622 type = "server";
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
623 conn = server;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
624 onconnect = listener.onconnect; -- will be called when new client connected
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
625 eventread = false; -- read event handler
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
626 eventclose = false; -- close event handler
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
627 readcallback = false; -- read event callback
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
628 fatalerror = false; -- error message
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
629 nointerface = true; -- lock/unlock parameter
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
630
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
631 _ip = addr, _port = port, _pattern = pattern,
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
632 _sslctx = sslctx;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
633 }
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
634 interface.id = tostring(interface):match("%x+$");
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
635 interface.readcallback = function( event ) -- server handler, called on incoming connections
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
636 --vdebug( "server can accept, id/addr/port:", interface, addr, port )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
637 if interface.fatalerror then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
638 --vdebug( "leaving this event because:", self.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
639 interface.eventread = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
640 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
641 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
642 local delay = cfg.ACCEPT_DELAY
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
643 if EV_TIMEOUT == event then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
644 if interface._connections >= cfg.MAX_CONNECTIONS then -- check connection count
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
645 debug( "to many connections, seconds to wait for next accept:", delay )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
646 return EV_TIMEOUT, delay -- timeout...
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
647 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
648 return EV_READ -- 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
649 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
650 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
651 --vdebug("max connection check ok, accepting...")
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
652 local client, err = server:accept() -- try to accept; TODO: check err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
653 while client do
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
654 if interface._connections >= cfg.MAX_CONNECTIONS then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
655 client:close( ) -- refuse connection
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
656 debug( "maximal connections reached, refuse client connection; accept delay:", delay )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
657 return EV_TIMEOUT, delay -- delay for next accept attempt
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
658 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
659 local client_ip, client_port = client:getpeername( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
660 interface._connections = interface._connections + 1 -- increase connection count
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
661 local clientinterface = handleclient( client, client_ip, client_port, interface, pattern, listener, sslctx )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
662 --vdebug( "client id:", clientinterface, "startssl:", startssl )
7224
07a4c807a94a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7040 7223
diff changeset
663 if has_luasec and sslctx then
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
664 clientinterface:starttls(sslctx, true)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
665 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
666 clientinterface:_start_session( true )
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
667 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
668 debug( "accepted incoming client connection from:", client_ip or "<unknown IP>", client_port or "<unknown port>", "to", port or "<unknown port>");
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
669
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
670 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
671 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
672 return EV_READ
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
673 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
674
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
675 server:settimeout( 0 )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
676 setmetatable(interface, interface_mt)
7224
07a4c807a94a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7040 7223
diff changeset
677 interfacelist[ interface ] = true
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
678 interface:_start_session()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
679 return interface
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
680 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
681
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
682 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
683 --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
684 if sslctx and not has_luasec then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
685 debug "fatal error: luasec not found"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
686 return nil, "luasec not found"
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
687 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
688 local server, err = socket.bind( addr, port, cfg.ACCEPT_QUEUE ) -- create server socket
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
689 if not server then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
690 debug( "creating server socket on "..addr.." port "..port.." failed:", err )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
691 return nil, err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
692 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
693 local interface = handleserver( server, addr, port, pattern, listener, sslctx, startssl ) -- new server handler
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
694 debug( "new server created with id:", tostring(interface))
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
695 return interface
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
696 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
697
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
698 local function wrapclient( client, ip, port, listeners, pattern, sslctx )
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
699 local interface = handleclient( client, ip, port, nil, pattern, listeners, sslctx )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
700 interface:_start_connection(sslctx)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
701 return interface, client
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
702 --function handleclient( client, ip, port, server, pattern, listener, _, sslctx ) -- creates an client interface
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
703 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
704
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
705 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
706 if sslctx and not has_luasec then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
707 debug "need luasec, but not available"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
708 return nil, "luasec not found"
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
709 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
710 if not typ then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
711 local addrinfo, err = getaddrinfo(addr)
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
712 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
713 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
714 typ = "tcp6"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
715 else
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
716 typ = "tcp"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
717 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
718 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
719 local create = socket[typ]
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
720 if type( create ) ~= "function" then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
721 return nil, "invalid socket type"
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
722 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
723 local client, err = create() -- creating new socket
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
724 if not client then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
725 debug( "cannot create socket:", err )
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
726 return nil, err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
727 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
728 client:settimeout( 0 ) -- set nonblocking
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
729 local res, err = client:connect( addr, serverport ) -- connect
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
730 if res or ( err == "timeout" ) then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
731 local ip, port = client:getsockname( )
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
732 local interface = wrapclient( client, ip, serverport, listener, pattern, sslctx )
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
733 debug( "new connection id:", interface.id )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
734 return interface, err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
735 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
736 debug( "new connection failed:", err )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
737 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
738 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
739 end
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
740
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
741 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
742 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
743 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
744 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
745
6850
41de00647ad3 server_event: Move local references to various functions to top of file
Kim Alvefur <zash@zash.se>
parents: 6849
diff changeset
746 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
747 return addevent( base, ... )
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
748 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
749
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
750 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
751 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
752 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
753 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
754 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
755 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
756 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
757
2335
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
758 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
759 if yes then
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
760 -- Quit now
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
761 closeallservers();
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
762 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
763 end
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
764 end
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
765
4399
1b4161970842 net.server_event, net.server_select: Fixed some global pollution.
Waqas Hussain <waqas20@gmail.com>
parents: 4377
diff changeset
766 local function get_backend()
2340
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
767 return base:method();
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
768 end
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
769
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
770 -- 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
771 -- 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
772 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
773 local function hook_signal(signal_num, handler)
6856
489f4ae291bf server_event: Remove unused argument [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6855
diff changeset
774 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
775 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
776 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
777 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
778 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
779 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
780 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
781 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
782 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
783 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
784
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
785 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
786 local sender_locked;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
787
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
788 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
789 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
790 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
791 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
792 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
793 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
794
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
795 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
796 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
797 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
798 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
799 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
800 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
801 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
802 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
803 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
804
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
805 return {
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
806 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
807 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 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
809 link = link,
6853
a2cc477eb19b server_event: Rename luaevent module variable to avoid name clash [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6852
diff changeset
810 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
811 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
812 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
813 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
814 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
815 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
816 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
817 closeall = closeallservers,
2340
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
818 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
819 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
820
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
821 __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
822 __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
823 __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
824 __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
825
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
826 }