prosody
4dac771ddf9f
net/server_event.lua

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net/server_event.lua @ 10175:4dac771ddf9f

util.startup: Improved how .set_plugindir updates prosody.paths.plugins, package.path and package.cpath
author João Duarte <jvsDuarte08@gmail.com>
date Fri, 26 Jul 2019 17:54:37 -0700
parent 9915:9fe7b18bca15
child 10233:600eee3c4752
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 --[[
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2
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3
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4 server.lua based on lua/libevent by blastbeat
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5
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6 notes:
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7 -- when using luaevent, never register 2 or more EV_READ at one socket, same for EV_WRITE
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8 -- you can't 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 -- don't let garbagecollect eventcallbacks, as long they are running
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11 -- when using luasec, there are 4 cases of timeout errors: wantread or wantwrite during reading or writing
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12
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13 --]]
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626d8152b1ad server_event: Add luacheck annotations
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14 -- luacheck: ignore 212/self 431/err 211/ret
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15
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16 local SCRIPT_NAME = "server_event.lua"
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17 local SCRIPT_VERSION = "0.05"
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18 local SCRIPT_AUTHOR = "blastbeat"
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19 local LAST_MODIFIED = "2009/11/20"
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20
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21 local cfg = {
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22 MAX_CONNECTIONS = 100000, -- max per server connections (use "ulimit -n" on *nix)
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23 MAX_HANDSHAKE_ATTEMPTS= 1000, -- attempts to finish ssl handshake
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24 HANDSHAKE_TIMEOUT = 60, -- timeout in seconds per handshake attempt
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25 MAX_READ_LENGTH = 1024 * 1024 * 1024 * 1024, -- max bytes allowed to read from sockets
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26 MAX_SEND_LENGTH = 1024 * 1024 * 1024 * 1024, -- max bytes size of write buffer (for writing on sockets)
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27 ACCEPT_QUEUE = 128, -- might influence the length of the pending sockets queue
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28 ACCEPT_DELAY = 10, -- seconds to wait until the next attempt of a full server to accept
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23f66f04e216 net.server: Set default read timeout to 14 minutes (fixes #971)
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29 READ_TIMEOUT = 14 * 60, -- 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 READ_RETRY_DELAY = 1e-06, -- if, after reading, there is still data in buffer, wait this long and continue reading
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34 DEBUG = true, -- show debug messages
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35 }
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36
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37 local pairs = pairs
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38 local select = select
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39 local require = require
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40 local tostring = tostring
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41 local setmetatable = setmetatable
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42
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43 local t_insert = table.insert
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44 local t_concat = table.concat
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45 local s_sub = string.sub
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46
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47 local coroutine_wrap = coroutine.wrap
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48 local coroutine_yield = coroutine.yield
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49
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50 local has_luasec, ssl = pcall ( require , "ssl" )
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51 local socket = require "socket"
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52 local levent = require "luaevent.core"
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5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
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53 local inet = require "util.net";
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54 local inet_pton = inet.pton;
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55
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56 local socket_gettime = socket.gettime
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57
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58 local log = require ("util.logger").init("socket")
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59
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60 local function debug(...)
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61 return log("debug", ("%s "):rep(select('#', ...)), ...)
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62 end
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63 -- local vdebug = debug;
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64
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65 local bitor = ( function( ) -- thx Rici Lake
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66 local hasbit = function( x, p )
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67 return x % ( p + p ) >= p
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68 end
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69 return function( x, y )
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70 local p = 1
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71 local z = 0
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72 local limit = x > y and x or y
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73 while p <= limit do
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74 if hasbit( x, p ) or hasbit( y, p ) then
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75 z = z + p
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76 end
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77 p = p + p
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78 end
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79 return z
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80 end
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81 end )( )
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82
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83 local base = levent.new( )
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84 local addevent = base.addevent
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85 local EV_READ = levent.EV_READ
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86 local EV_WRITE = levent.EV_WRITE
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87 local EV_TIMEOUT = levent.EV_TIMEOUT
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88 local EV_SIGNAL = levent.EV_SIGNAL
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89
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90 local EV_READWRITE = bitor( EV_READ, EV_WRITE )
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91
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92 local interfacelist = { }
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93
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94 -- Client interface methods
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95 local interface_mt = {}; interface_mt.__index = interface_mt;
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96
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97 -- Private methods
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98 function interface_mt:_close()
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99 return self:_destroy();
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100 end
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101
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102 function interface_mt:_start_connection(plainssl) -- called from wrapclient
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103 local callback = function( event )
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104 if EV_TIMEOUT == event then -- timeout during connection
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105 self.fatalerror = "connection timeout"
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106 self:ontimeout() -- call timeout listener
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107 self:_close()
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108 debug( "new connection failed. id:", self.id, "error:", self.fatalerror )
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109 else
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110 if EV_READWRITE == event then
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111 if self.readcallback(event) == -1 then
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112 -- Fatal error occurred
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113 return -1;
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114 end
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115 end
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116 if plainssl and has_luasec then -- start ssl session
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117 self:starttls(self._sslctx, true)
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118 else -- normal connection
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119 self:_start_session(true)
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120 end
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121 debug( "new connection established. id:", self.id )
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122 end
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123 self.eventconnect = nil
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124 return -1
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125 end
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126 self.eventconnect = addevent( base, self.conn, EV_READWRITE, callback, cfg.CONNECT_TIMEOUT )
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127 return true
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128 end
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129 function interface_mt:_start_session(call_onconnect) -- new session, for example after startssl
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130 if self.type == "client" then
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131 local callback = function( )
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132 self:_lock( false, false, false )
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133 --vdebug( "start listening on client socket with id:", self.id )
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134 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback, cfg.READ_TIMEOUT ); -- register callback
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135 if call_onconnect then
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136 self:onconnect()
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137 end
7336
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138 self.eventsession = nil
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139 return -1
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140 end
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141 self.eventsession = addevent( base, nil, EV_TIMEOUT, callback, 0 )
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142 else
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143 self:_lock( false )
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144 --vdebug( "start listening on server socket with id:", self.id )
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145 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback ) -- register callback
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146 end
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147 return true
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148 end
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149 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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150 --vdebug( "starting ssl session with client id:", self.id )
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151 local _
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152 _ = self.eventread and self.eventread:close( ) -- close events; this must be called outside of the event callbacks!
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153 _ = self.eventwrite and self.eventwrite:close( )
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154 self.eventread, self.eventwrite = nil, nil
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155 local err
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156 self.conn, err = ssl.wrap( self.conn, self._sslctx )
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157 if err then
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158 self.fatalerror = err
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159 self.conn = nil -- cannot be used anymore
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160 if call_onconnect then
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161 self.ondisconnect = nil -- don't call this when client isn't really connected
7336
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162 end
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163 self:_close()
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164 debug( "fatal error while ssl wrapping:", err )
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165 return false
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166 end
9850
9a905888b96c net.server_event: Add SNI support (#409)
Kim Alvefur <zash@zash.se>
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167
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Kim Alvefur <zash@zash.se>
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168 if self.conn.sni then
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Kim Alvefur <zash@zash.se>
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diff changeset
169 if self.servername then
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170 self.conn:sni(self.servername);
9853
9aea8dbb105d net.server: Only add alternate SNI contexts if at least one is provided
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171 elseif self._server and type(self._server.hosts) == "table" and next(self._server.hosts) ~= nil then
9850
9a905888b96c net.server_event: Add SNI support (#409)
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parents: 9835
diff changeset
172 self.conn:sni(self._server.hosts, true);
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173 end
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Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
174 end
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parents: 9835
diff changeset
175
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176 self.conn:settimeout( 0 ) -- set non blocking
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177 local handshakecallback = coroutine_wrap(function( event )
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178 local _, err
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179 local attempt = 0
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180 local maxattempt = cfg.MAX_HANDSHAKE_ATTEMPTS
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181 while attempt < maxattempt do -- no endless loop
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182 attempt = attempt + 1
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183 debug( "ssl handshake of client with id:"..tostring(self)..", attempt:"..attempt )
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184 if attempt > maxattempt then
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185 self.fatalerror = "max handshake attempts exceeded"
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186 elseif EV_TIMEOUT == event then
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187 self.fatalerror = "timeout during handshake"
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188 else
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189 _, err = self.conn:dohandshake( )
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190 if not err then
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191 self:_lock( false, false, false ) -- unlock the interface; sending, closing etc allowed
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192 self.send = self.conn.send -- caching table lookups with new client object
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193 self.receive = self.conn.receive
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194 if not call_onconnect then -- trigger listener
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195 self:onstatus("ssl-handshake-complete");
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196 end
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197 self:_start_session( call_onconnect )
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198 debug( "ssl handshake done" )
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199 self.eventhandshake = nil
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200 return -1
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parents: 3387
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201 end
7336
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202 if err == "wantwrite" then
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203 event = EV_WRITE
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204 elseif err == "wantread" then
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205 event = EV_READ
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206 else
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207 debug( "ssl handshake error:", err )
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208 self.fatalerror = err
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209 end
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210 end
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211 if self.fatalerror then
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parents: 3387
diff changeset
212 if call_onconnect then
8728
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diff changeset
213 self.ondisconnect = nil -- don't call this when client isn't really connected
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diff changeset
214 end
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parents: 2303
diff changeset
215 self:_close()
7336
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216 debug( "handshake failed because:", self.fatalerror )
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diff changeset
217 self.eventhandshake = nil
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218 return -1
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219 end
7336
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diff changeset
220 event = coroutine_yield( event, cfg.HANDSHAKE_TIMEOUT ) -- yield this monster...
3000
43a4cb707fe4 net.server_select, net.server_event: Support for :pause() and :resume() on connections
Matthew Wild <mwild1@gmail.com>
parents: 2988
diff changeset
221 end
43a4cb707fe4 net.server_select, net.server_event: Support for :pause() and :resume() on connections
Matthew Wild <mwild1@gmail.com>
parents: 2988
diff changeset
222 end
7336
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diff changeset
223 )
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224 debug "starting handshake..."
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225 self:_lock( false, true, true ) -- unlock read/write events, but keep interface locked
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diff changeset
226 self.eventhandshake = addevent( base, self.conn, EV_READWRITE, handshakecallback, cfg.HANDSHAKE_TIMEOUT )
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227 return true
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228 end
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229 function interface_mt:_destroy() -- close this interface + events and call last listener
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230 debug( "closing client with id:", self.id, self.fatalerror )
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diff changeset
231 self:_lock( true, true, true ) -- first of all, lock the interface to avoid further actions
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parents: 7224
diff changeset
232 local _
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diff changeset
233 _ = self.eventread and self.eventread:close( )
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
234 if self.type == "client" then
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235 _ = self.eventwrite and self.eventwrite:close( )
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diff changeset
236 _ = self.eventhandshake and self.eventhandshake:close( )
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diff changeset
237 _ = self.eventstarthandshake and self.eventstarthandshake:close( )
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parents: 7224
diff changeset
238 _ = self.eventconnect and self.eventconnect:close( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
239 _ = self.eventsession and self.eventsession:close( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
240 _ = self.eventwritetimeout and self.eventwritetimeout:close( )
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
241 _ = self.eventreadtimeout and self.eventreadtimeout:close( )
8728
41c959c5c84b Fix spelling throughout the codebase [codespell]
Kim Alvefur <zash@zash.se>
parents: 8530
diff changeset
242 -- call ondisconnect listener (won't be the case if handshake failed on connect)
8384
4a5c6f6214ee net.server_event: Split long line [luacheck]
Kim Alvefur <zash@zash.se>
parents: 8314
diff changeset
243 _ = self.ondisconnect and self:ondisconnect( self.fatalerror ~= "client to close" and self.fatalerror)
7336
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diff changeset
244 _ = self.conn and self.conn:close( ) -- close connection
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Kim Alvefur <zash@zash.se>
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diff changeset
245 _ = self._server and self._server:counter(-1);
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
246 self.eventread, self.eventwrite = nil, nil
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diff changeset
247 self.eventstarthandshake, self.eventhandshake, self.eventclose = nil, nil, nil
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
248 self.readcallback, self.writecallback = nil, nil
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parents: 7224
diff changeset
249 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
250 self.conn:close( )
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
251 self.eventread, self.eventclose = nil, nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
252 self.interface, self.readcallback = nil, nil
3000
43a4cb707fe4 net.server_select, net.server_event: Support for :pause() and :resume() on connections
Matthew Wild <mwild1@gmail.com>
parents: 2988
diff changeset
253 end
7336
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diff changeset
254 interfacelist[ self ] = nil
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diff changeset
255 return true
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Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
256 end
3000
43a4cb707fe4 net.server_select, net.server_event: Support for :pause() and :resume() on connections
Matthew Wild <mwild1@gmail.com>
parents: 2988
diff changeset
257
7336
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258 function interface_mt:_lock(nointerface, noreading, nowriting) -- lock or unlock this interface or events
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259 self.nointerface, self.noreading, self.nowriting = nointerface, noreading, nowriting
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260 return nointerface, noreading, nowriting
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261 end
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262
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263 --TODO: Deprecate
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264 function interface_mt:lock_read(switch)
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265 log("warn", ":lock_read is deprecated, use :pasue() and :resume()");
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266 if switch then
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267 return self:pause();
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268 else
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269 return self:resume();
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270 end
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271 end
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272
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273 function interface_mt:pause()
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274 return self:_lock(self.nointerface, true, self.nowriting);
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275 end
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276
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277 function interface_mt:resume()
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278 self:_lock(self.nointerface, false, self.nowriting);
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279 if self.readcallback and not self.eventread then
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280 self.eventread = addevent( base, self.conn, EV_READ, self.readcallback, cfg.READ_TIMEOUT ); -- register callback
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281 return true;
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282 end
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283 end
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284
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285 function interface_mt:pause_writes()
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286 return self:_lock(self.nointerface, self.noreading, true);
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287 end
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288
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289 function interface_mt:resume_writes()
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290 self:_lock(self.nointerface, self.noreading, false);
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291 if self.writecallback and not self.eventwrite then
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292 self.eventwrite = addevent( base, self.conn, EV_WRITE, self.writecallback, cfg.WRITE_TIMEOUT ); -- register callback
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293 return true;
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294 end
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295 end
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296
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297
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298 function interface_mt:counter(c)
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299 if c then
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300 self._connections = self._connections + c
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301 end
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302 return self._connections
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303 end
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304
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305 -- Public methods
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306 function interface_mt:write(data)
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307 if self.nointerface then return nil, "locked"; end
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308 --vdebug( "try to send data to client, id/data:", self.id, data )
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309 data = tostring( data )
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310 local len = #data
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311 local total = len + self.writebufferlen
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312 if total > cfg.MAX_SEND_LENGTH then -- check buffer length
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313 local err = "send buffer exceeded"
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314 debug( "error:", err ) -- to much, check your app
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315 return nil, err
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316 end
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317 t_insert(self.writebuffer, data) -- new buffer
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318 self.writebufferlen = total
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319 if not self.eventwrite and not self.nowriting then -- register new write event
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320 --vdebug( "register new write event" )
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321 self.eventwrite = addevent( base, self.conn, EV_WRITE, self.writecallback, cfg.WRITE_TIMEOUT )
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322 end
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323 return true
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324 end
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325 function interface_mt:close()
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326 if self.nointerface then return nil, "locked"; end
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327 debug( "try to close client connection with id:", self.id )
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328 if self.type == "client" then
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329 self.fatalerror = "client to close"
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330 if self.eventwrite then -- wait for incomplete write request
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331 self:_lock( true, true, false )
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332 debug "closing delayed until writebuffer is empty"
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333 return nil, "writebuffer not empty, waiting"
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334 else -- close now
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335 self:_lock( true, true, true )
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336 self:_close()
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337 return true
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338 end
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339 else
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340 debug( "try to close server with id:", tostring(self.id))
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341 self.fatalerror = "server to close"
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342 self:_lock( true )
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343 self:_close( 0 )
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344 return true
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345 end
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346 end
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347
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348 function interface_mt:socket()
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349 return self.conn
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350 end
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351
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352 function interface_mt:server()
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353 return self._server or self;
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354 end
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355
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356 function interface_mt:port()
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357 return self._port
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358 end
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359
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360 function interface_mt:serverport()
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361 return self._serverport
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362 end
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363
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364 function interface_mt:ip()
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365 return self._ip
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366 end
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367
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368 function interface_mt:ssl()
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369 return self._usingssl
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370 end
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371 interface_mt.clientport = interface_mt.port -- COMPAT server_select
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372
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373 function interface_mt:type()
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374 return self._type or "client"
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375 end
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376
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377 function interface_mt:connections()
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378 return self._connections
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379 end
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380
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381 function interface_mt:address()
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382 return self.addr
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383 end
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384
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385 function interface_mt:set_sslctx(sslctx)
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386 self._sslctx = sslctx;
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387 if sslctx then
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388 self.starttls = nil; -- use starttls() of interface_mt
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389 else
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390 self.starttls = false; -- prevent starttls()
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391 end
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392 end
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393
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394 function interface_mt:set_mode(pattern)
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diff changeset
395 if pattern then
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396 self._pattern = pattern;
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397 end
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398 return self._pattern;
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399 end
7224
07a4c807a94a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7040 7223
diff changeset
400
07a4c807a94a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7040 7223
diff changeset
401 function interface_mt:set_send(new_send) -- luacheck: ignore 212
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
402 -- No-op, we always use the underlying connection's send
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
403 end
3001
fa00c6f563b4 net.server_select, net.server_event: Rename :pattern() method to :set_mode() for select backend, and add :set_mode() to event backend
Matthew Wild <mwild1@gmail.com>
parents: 3000
diff changeset
404
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
405 function interface_mt:starttls(sslctx, call_onconnect)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
406 debug( "try to start ssl at client id:", self.id )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
407 local err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
408 self._sslctx = sslctx;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
409 if self._usingssl then -- startssl was already called
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
410 err = "ssl already active"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
411 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
412 if err then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
413 debug( "error:", err )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
414 return nil, err
3001
fa00c6f563b4 net.server_select, net.server_event: Rename :pattern() method to :set_mode() for select backend, and add :set_mode() to event backend
Matthew Wild <mwild1@gmail.com>
parents: 3000
diff changeset
415 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
416 self._usingssl = true
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
417 self.startsslcallback = function( ) -- we have to start the handshake outside of a read/write event
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
418 self.startsslcallback = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
419 self:_start_ssl(call_onconnect);
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
420 self.eventstarthandshake = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
421 return -1
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
422 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
423 if not self.eventwrite then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
424 self:_lock( true, true, true ) -- lock the interface, to not disturb the handshake
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
425 self.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, self.startsslcallback, 0 ) -- add event to start handshake
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
426 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
427 -- wait until writebuffer is empty
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
428 self:_lock( true, true, false )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
429 debug "ssl session delayed until writebuffer is empty..."
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
430 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
431 self.starttls = false;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
432 return true
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
433 end
5625
e67891ad18d6 net.server_event: Add support for listener.onreadtimeout(conn), which can return true to prevent the connection from being closed when a read timeout occurs
Matthew Wild <mwild1@gmail.com>
parents: 5531
diff changeset
434
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
435 function interface_mt:setoption(option, value)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
436 if self.conn.setoption then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
437 return self.conn:setoption(option, value);
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
438 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
439 return false, "setoption not implemented";
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
440 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
441
9387
33e52f727f0f net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents: 9385
diff changeset
442 function interface_mt:setlistener(listener, data)
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
443 self:ondetach(); -- Notify listener that it is no longer responsible for this connection
7337
8ec935687bae server_event: Split long list of assignments into multiple lines for readability
Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
444 self.onconnect = listener.onconnect;
8ec935687bae server_event: Split long list of assignments into multiple lines for readability
Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
445 self.ondisconnect = listener.ondisconnect;
8ec935687bae server_event: Split long list of assignments into multiple lines for readability
Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
446 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
447 self.ontimeout = listener.ontimeout;
8ec935687bae server_event: Split long list of assignments into multiple lines for readability
Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
448 self.onreadtimeout = listener.onreadtimeout;
8ec935687bae server_event: Split long list of assignments into multiple lines for readability
Kim Alvefur <zash@zash.se>
parents: 7336
diff changeset
449 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
450 self.ondetach = listener.ondetach;
9385
58fe099043ed net.server: Call a 'onattach' callback when replacing listeners
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
451 self.onattach = listener.onattach;
7809
34ca48325ce7 net.server_event: Also replace 'ondrain' when setting new listeners (thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 7688
diff changeset
452 self.ondrain = listener.ondrain;
9387
33e52f727f0f net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents: 9385
diff changeset
453 self:onattach(data);
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
454 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
455
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
456 -- Stub handlers
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
457 function interface_mt:onconnect()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
458 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
459 function interface_mt:onincoming()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
460 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
461 function interface_mt:ondisconnect()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
462 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
463 function interface_mt:ontimeout()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
464 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
465 function interface_mt:onreadtimeout()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
466 self.fatalerror = "timeout during receiving"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
467 debug( "connection failed:", self.fatalerror )
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
468 self:_close()
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
469 self.eventread = nil
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
470 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
471 function interface_mt:ondrain()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
472 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
473 function interface_mt:ondetach()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
474 end
9385
58fe099043ed net.server: Call a 'onattach' callback when replacing listeners
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
475 function interface_mt:onattach()
58fe099043ed net.server: Call a 'onattach' callback when replacing listeners
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
476 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
477 function interface_mt:onstatus()
2535
75bb31b6c53f net.server_event: Trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents: 2534
diff changeset
478 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
479
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
480 -- 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
481
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
482 local function handleclient( client, ip, port, server, pattern, listener, sslctx ) -- creates an client interface
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
483 --vdebug("creating client interfacce...")
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
484 local interface = {
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
485 type = "client";
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
486 conn = client;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
487 currenttime = socket_gettime( ); -- safe the origin
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
488 writebuffer = {}; -- writebuffer
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
489 writebufferlen = 0; -- length of writebuffer
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
490 send = client.send; -- caching table lookups
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
491 receive = client.receive;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
492 onconnect = listener.onconnect; -- will be called when client disconnects
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
493 ondisconnect = listener.ondisconnect; -- will be called when client disconnects
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
494 onincoming = listener.onincoming; -- will be called when client sends data
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
495 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
496 onreadtimeout = listener.onreadtimeout; -- called when socket inactivity timeout occurs
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
497 ondrain = listener.ondrain; -- called when writebuffer is empty
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
498 ondetach = listener.ondetach; -- called when disassociating this listener from this connection
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
499 onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
500 eventread = false, eventwrite = false, eventclose = false,
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
501 eventhandshake = false, eventstarthandshake = false; -- event handler
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
502 eventconnect = false, eventsession = false; -- more event handler...
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
503 eventwritetimeout = false; -- even more event handler...
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
504 eventreadtimeout = false;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
505 fatalerror = false; -- error message
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
506 writecallback = false; -- will be called on write events
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
507 readcallback = false; -- will be called on read events
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
508 nointerface = true; -- lock/unlock parameter of this interface
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
509 noreading = false, nowriting = false; -- locks of the read/writecallback
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
510 startsslcallback = false; -- starting handshake callback
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
511 position = false; -- position of client in interfacelist
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
512
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
513 -- Properties
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
514 _ip = ip, _port = port, _server = server, _pattern = pattern,
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
515 _serverport = (server and server:port() or nil),
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
516 _sslctx = sslctx; -- parameters
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
517 _usingssl = false; -- client is using ssl;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
518 }
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
519 if not has_luasec then interface.starttls = false; end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
520 interface.id = tostring(interface):match("%x+$");
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
521 interface.writecallback = function( event ) -- called on write events
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
522 --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
523 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
524 --vdebug( "leaving this event because:", interface.nowriting or interface.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
525 interface.eventwrite = false
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
526 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
527 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
528 if EV_TIMEOUT == event then -- took too long to write some data to socket -> disconnect
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
529 interface.fatalerror = "timeout during writing"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
530 debug( "writing failed:", interface.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
531 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
532 interface.eventwrite = false
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
533 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
534 else -- can write :)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
535 if interface._usingssl then -- handle luasec
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
536 if interface.eventreadtimeout then -- we have to read first
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
537 local ret = interface.readcallback( ) -- call readcallback
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
538 --vdebug( "tried to read in writecallback, result:", ret )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
539 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
540 if interface.eventwritetimeout then -- luasec only
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
541 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
542 interface.eventwritetimeout = false
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
543 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
544 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
545 interface.writebuffer = { t_concat(interface.writebuffer) }
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
546 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
547 --vdebug( "write data:", interface.writebuffer, "error:", err, "part:", byte )
8728
41c959c5c84b Fix spelling throughout the codebase [codespell]
Kim Alvefur <zash@zash.se>
parents: 8530
diff changeset
548 if succ then -- writing successful
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
549 interface.writebuffer[1] = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
550 interface.writebufferlen = 0
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
551 interface:ondrain();
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
552 if interface.fatalerror then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
553 debug "closing client after writing"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
554 interface:_close() -- close interface if needed
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
555 elseif interface.startsslcallback then -- start ssl connection if needed
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
556 debug "starting ssl handshake after writing"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
557 interface.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, interface.startsslcallback, 0 )
7399
066a4dfdac18 Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7394 7398
diff changeset
558 elseif interface.writebufferlen ~= 0 then
7394
a700d54c620a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7385 7393
diff changeset
559 -- data possibly written from ondrain
a700d54c620a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7385 7393
diff changeset
560 return EV_WRITE, cfg.WRITE_TIMEOUT
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
561 elseif interface.eventreadtimeout then
7385
17929cdacec2 Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7339 7384
diff changeset
562 return EV_WRITE, cfg.WRITE_TIMEOUT
17929cdacec2 Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7339 7384
diff changeset
563 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
564 interface.eventwrite = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
565 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
566 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
567 --vdebug( "writebuffer is not empty:", err )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
568 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
569 interface.writebufferlen = interface.writebufferlen - byte
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
570 if "wantread" == err then -- happens only with luasec
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
571 local callback = function( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
572 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
573 interface.eventwritetimeout = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
574 return -1;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
575 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
576 interface.eventwritetimeout = addevent( base, nil, EV_TIMEOUT, callback, cfg.WRITE_TIMEOUT ) -- reg a new timeout event
8728
41c959c5c84b Fix spelling throughout the codebase [codespell]
Kim Alvefur <zash@zash.se>
parents: 8530
diff changeset
577 debug( "wantread during write attempt, reg it in readcallback but don't know what really happens next..." )
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
578 -- 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
579 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
580 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
581 return EV_WRITE, cfg.WRITE_TIMEOUT
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
582 else -- connection was closed during writing or fatal error
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
583 interface.fatalerror = err or "fatal error"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
584 debug( "connection failed in write event:", interface.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
585 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
586 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
587 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
588 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
589 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
590 end
7224
07a4c807a94a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7040 7223
diff changeset
591
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
592 interface.readcallback = function( event ) -- called on read events
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
593 --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
594 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
595 --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
596 interface.eventread = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
597 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
598 end
7420
3fc5560557a5 net.server_event: Schedule another read callback if there is still data left in buffer after reading (fixes #583 for real)
Kim Alvefur <zash@zash.se>
parents: 7419
diff changeset
599 if EV_TIMEOUT == event and not interface.conn:dirty() and interface:onreadtimeout() ~= true then
7688
88ad2d5bcf80 net.server_event: Restore destruction of socket on read timeout (lost since e67891ad18d6) (thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 7420
diff changeset
600 interface.fatalerror = "timeout during receiving"
88ad2d5bcf80 net.server_event: Restore destruction of socket on read timeout (lost since e67891ad18d6) (thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 7420
diff changeset
601 debug( "connection failed:", interface.fatalerror )
88ad2d5bcf80 net.server_event: Restore destruction of socket on read timeout (lost since e67891ad18d6) (thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 7420
diff changeset
602 interface:_close()
88ad2d5bcf80 net.server_event: Restore destruction of socket on read timeout (lost since e67891ad18d6) (thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 7420
diff changeset
603 interface.eventread = nil
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
604 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
605 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
606 if interface._usingssl then -- handle luasec
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
607 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
608 local ret = interface.writecallback( ) -- call it
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
609 --vdebug( "tried to write in readcallback, result:", tostring(ret) )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
610 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
611 if interface.eventreadtimeout then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
612 interface.eventreadtimeout:close( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
613 interface.eventreadtimeout = nil
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
614 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
615 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
616 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
617 --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
618 buffer = buffer or part
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
619 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
620 interface.fatalerror = "receive buffer exceeded"
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
621 debug( "fatal error:", interface.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
622 interface:_close()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
623 interface.eventread = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
624 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
625 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
626 if err and ( err ~= "timeout" and err ~= "wantread" ) then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
627 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
628 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
629 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
630 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
631 interface.eventreadtimeout = addevent( base, nil, EV_TIMEOUT,
7419
325c03f5481b net.server_event: Collect entire one line function on one line
Kim Alvefur <zash@zash.se>
parents: 7399
diff changeset
632 function( ) interface:_close() end, cfg.READ_TIMEOUT)
8728
41c959c5c84b Fix spelling throughout the codebase [codespell]
Kim Alvefur <zash@zash.se>
parents: 8530
diff changeset
633 debug( "wantwrite during read attempt, reg it in writecallback but don't know what really happens next..." )
41c959c5c84b Fix spelling throughout the codebase [codespell]
Kim Alvefur <zash@zash.se>
parents: 8530
diff changeset
634 -- to be honest i don't know what happens next, if it is allowed to first read, the write etc...
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
635 else -- connection was closed or fatal error
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
636 interface.fatalerror = err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
637 debug( "connection failed in read event:", interface.fatalerror )
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
638 interface:_close()
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
639 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
640 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
641 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
642 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
643 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
644 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
645 if interface.noreading then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
646 interface.eventread = nil;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
647 return -1;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
648 end
7420
3fc5560557a5 net.server_event: Schedule another read callback if there is still data left in buffer after reading (fixes #583 for real)
Kim Alvefur <zash@zash.se>
parents: 7419
diff changeset
649 if interface.conn:dirty() then -- still data left in buffer
3fc5560557a5 net.server_event: Schedule another read callback if there is still data left in buffer after reading (fixes #583 for real)
Kim Alvefur <zash@zash.se>
parents: 7419
diff changeset
650 return EV_TIMEOUT, cfg.READ_RETRY_DELAY;
3fc5560557a5 net.server_event: Schedule another read callback if there is still data left in buffer after reading (fixes #583 for real)
Kim Alvefur <zash@zash.se>
parents: 7419
diff changeset
651 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
652 return EV_READ, cfg.READ_TIMEOUT
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
653 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
654
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
655 client:settimeout( 0 ) -- set non blocking
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
656 setmetatable(interface, interface_mt)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
657 interfacelist[ interface ] = true -- add to interfacelist
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
658 return interface
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
659 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
660
9897
a471d4cfec5e net/server_event: fix typo in comment
Maxime “pep” Buquet <pep@bouah.net>
parents: 9853
diff changeset
661 local function handleserver( server, addr, port, pattern, listener, sslctx, startssl ) -- creates a server interface
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
662 debug "creating server interface..."
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
663 local interface = {
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
664 _connections = 0;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
665
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
666 type = "server";
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
667 conn = server;
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
668 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
669 eventread = false; -- read event handler
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
670 eventclose = false; -- close event handler
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
671 readcallback = false; -- read event callback
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
672 fatalerror = false; -- error message
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
673 nointerface = true; -- lock/unlock parameter
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
674
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
675 _ip = addr, _port = port, _pattern = pattern,
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
676 _sslctx = sslctx;
9850
9a905888b96c net.server_event: Add SNI support (#409)
Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
677 hosts = {};
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
678 }
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
679 interface.id = tostring(interface):match("%x+$");
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
680 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
681 --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
682 if interface.fatalerror then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
683 --vdebug( "leaving this event because:", self.fatalerror )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
684 interface.eventread = nil
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
685 return -1
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
686 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
687 local delay = cfg.ACCEPT_DELAY
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
688 if EV_TIMEOUT == event then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
689 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
690 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
691 return EV_TIMEOUT, delay -- timeout...
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
692 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
693 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
694 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
695 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
696 --vdebug("max connection check ok, accepting...")
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
697 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
698 while client do
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
699 if interface._connections >= cfg.MAX_CONNECTIONS then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
700 client:close( ) -- refuse connection
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
701 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
702 return EV_TIMEOUT, delay -- delay for next accept attempt
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
703 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
704 local client_ip, client_port = client:getpeername( )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
705 interface._connections = interface._connections + 1 -- increase connection count
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
706 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
707 --vdebug( "client id:", clientinterface, "startssl:", startssl )
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
708 if has_luasec and startssl then
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
709 clientinterface:starttls(sslctx, true)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
710 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
711 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
712 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
713 debug( "accepted incoming client connection from:", client_ip or "<unknown IP>", client_port or "<unknown port>", "to", port or "<unknown port>");
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
714
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
715 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
716 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
717 return EV_READ
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
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
720 server:settimeout( 0 )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
721 setmetatable(interface, interface_mt)
7224
07a4c807a94a Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 7040 7223
diff changeset
722 interfacelist[ interface ] = true
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
723 interface:_start_session()
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
724 return interface
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
725 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
726
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
727 local function listen(addr, port, listener, config)
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
728 config = config or {}
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
729 if config.sslctx and not has_luasec then
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
730 debug "fatal error: luasec not found"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
731 return nil, "luasec not found"
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
732 end
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
733 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
734 if not server then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
735 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
736 return nil, err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
737 end
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
738 local interface = handleserver( server, addr, port, config.read_size, listener, config.tls_ctx, config.tls_direct) -- new server handler
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
739 debug( "new server created with id:", tostring(interface))
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
740 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
741 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
742
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
743 local function addserver( addr, port, listener, pattern, sslctx ) -- TODO: check arguments
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
744 --vdebug( "creating new tcp server with following parameters:", addr or "nil", port or "nil", sslctx or "nil", startssl or "nil")
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
745 return listen( addr, port, listener, {
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
746 read_size = pattern,
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
747 tls_ctx = sslctx,
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
748 tls_direct = not not sslctx,
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
749 });
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
750 end
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
751
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
752 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
753 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
754 interface:_start_connection(sslctx)
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
755 return interface, client
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
756 --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
757 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
758
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
759 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
760 if sslctx and not has_luasec then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
761 debug "need luasec, but not available"
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
762 return nil, "luasec not found"
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
763 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
764 if not typ then
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
765 local n = inet_pton(addr);
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
766 if not n then return nil, "invalid-ip"; end
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
767 if #n == 16 then
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
768 typ = "tcp6";
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
769 elseif #n == 4 then
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
770 typ = "tcp4";
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
771 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
772 end
9495
89e05b118f6e net.server: Remove socket constructor fallback
Kim Alvefur <zash@zash.se>
parents: 9473
diff changeset
773 local create = socket[typ];
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
774 if type( create ) ~= "function" then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
775 return nil, "invalid socket type"
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
776 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
777 local client, err = create() -- creating new socket
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
778 if not client then
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
779 debug( "cannot create socket:", err )
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
780 return nil, err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
781 end
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
782 client:settimeout( 0 ) -- set nonblocking
9499
36e379f058c8 net.server: Swich method for connecting sockets with remotes
Kim Alvefur <zash@zash.se>
parents: 9495
diff changeset
783 local res, err = client:setpeername( addr, serverport ) -- connect
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
784 if res or ( err == "timeout" ) then
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
785 local ip, port = client:getsockname( )
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
786 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
787 debug( "new connection id:", interface.id )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
788 return interface, err
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
789 else
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
790 debug( "new connection failed:", err )
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
791 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
792 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
793 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
794
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
795 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
796 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
797 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
798 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
799
6850
41de00647ad3 server_event: Move local references to various functions to top of file
Kim Alvefur <zash@zash.se>
parents: 6849
diff changeset
800 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
801 return addevent( base, ... )
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
802 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
803
6851
1f1bed8ebc41 server_event: Remove needless scoping and indentation
Kim Alvefur <zash@zash.se>
parents: 6850
diff changeset
804 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
805 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
806 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
807 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
808 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
809 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
810 end
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
811
2335
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
812 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
813 if yes then
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
814 -- Quit now
8751
469f78fe1c3e net.server_event: Don't close servers if just quitting the loop once
Matthew Wild <mwild1@gmail.com>
parents: 8728
diff changeset
815 if yes ~= "once" then
469f78fe1c3e net.server_event: Don't close servers if just quitting the loop once
Matthew Wild <mwild1@gmail.com>
parents: 8728
diff changeset
816 closeallservers();
469f78fe1c3e net.server_event: Don't close servers if just quitting the loop once
Matthew Wild <mwild1@gmail.com>
parents: 8728
diff changeset
817 end
7336
0d9ac472e58c server_event: Fix indentation (again)
Kim Alvefur <zash@zash.se>
parents: 7224
diff changeset
818 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
819 end
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
820 end
060fb67cefd5 net.server_event: Add setquitting() function to be compatible with net.server_select
Matthew Wild <mwild1@gmail.com>
parents: 2334
diff changeset
821
4399
1b4161970842 net.server_event, net.server_select: Fixed some global pollution.
Waqas Hussain <waqas20@gmail.com>
parents: 4377
diff changeset
822 local function get_backend()
8314
1d2149d84c72 net.server_event: Add "libevent" to backend description
Kim Alvefur <zash@zash.se>
parents: 7810
diff changeset
823 return "libevent " .. base:method();
2340
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
824 end
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
825
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
826 -- 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
827 -- 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
828 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
829 local function hook_signal(signal_num, handler)
6856
489f4ae291bf server_event: Remove unused argument [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6855
diff changeset
830 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
831 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
832 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
833 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
834 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
835 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
836 end
4403d4473783 net.server_event: Add server.hook_signal(signal_num, handler) to wrap libevent's signal-catching interface
Matthew Wild <mwild1@gmail.com>
parents: 2375
diff changeset
837 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
838 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
839 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
840
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
841 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
842 local sender_locked;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
843
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
844 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
845 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
846 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
847 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
848 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
849 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5756
diff changeset
850
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
851 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
852 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
853 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
854 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
855 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
856 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
857 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
858 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
859 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
860
6862
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
861 local function add_task(delay, callback)
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
862 local event_handle;
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
863 event_handle = base:addevent(nil, 0, function ()
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
864 local ret = callback(socket_gettime());
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
865 if ret then
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
866 return 0, ret;
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
867 elseif event_handle then
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
868 return -1;
6481
dbc72cd1332e Move timer code out of util.timer and into relevant net.server backends
daurnimator <quae@daurnimator.com>
parents: 6383
diff changeset
869 end
dbc72cd1332e Move timer code out of util.timer and into relevant net.server backends
daurnimator <quae@daurnimator.com>
parents: 6383
diff changeset
870 end
6862
7a81fb23de5d server_event: Remove needless scoping around add_task
Kim Alvefur <zash@zash.se>
parents: 6861
diff changeset
871 , delay);
6929
03bc9e197fcc net.server_event: Return event handle from add_task so it can be closed by eg util.timer
Kim Alvefur <zash@zash.se>
parents: 6862
diff changeset
872 return event_handle;
6481
dbc72cd1332e Move timer code out of util.timer and into relevant net.server backends
daurnimator <quae@daurnimator.com>
parents: 6383
diff changeset
873 end
dbc72cd1332e Move timer code out of util.timer and into relevant net.server backends
daurnimator <quae@daurnimator.com>
parents: 6383
diff changeset
874
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
875 local function watchfd(fd, onreadable, onwriteable)
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
876 local handle = {};
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
877 function handle:setflags(r,w)
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
878 if r ~= nil then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
879 if r and not self.wantread then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
880 self.wantread = base:addevent(fd, EV_READ, function ()
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
881 onreadable(self);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
882 end);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
883 elseif not r and self.wantread then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
884 self.wantread:close();
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
885 self.wantread = nil;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
886 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
887 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
888 if w ~= nil then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
889 if w and not self.wantwrite then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
890 self.wantwrite = base:addevent(fd, EV_WRITE, function ()
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
891 onwriteable(self);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
892 end);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
893 elseif not r and self.wantread then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
894 self.wantwrite:close();
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
895 self.wantwrite = nil;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
896 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
897 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
898 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
899 handle:setflags(onreadable, onwriteable);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
900 return handle;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
901 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
902
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
903 return {
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
904 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
905 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
906 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
907 link = link,
6853
a2cc477eb19b server_event: Rename luaevent module variable to avoid name clash [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6852
diff changeset
908 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
909 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
910 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
911 addserver = addserver,
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9581
diff changeset
912 listen = listen,
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
913 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
914 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
915 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
916 closeall = closeallservers,
2340
b286d60cb4fc net.server_event: Add get_backend() method
Matthew Wild <mwild1@gmail.com>
parents: 2336
diff changeset
917 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
918 hook_signal = hook_signal,
6481
dbc72cd1332e Move timer code out of util.timer and into relevant net.server backends
daurnimator <quae@daurnimator.com>
parents: 6383
diff changeset
919 add_task = add_task,
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8751
diff changeset
920 watchfd = watchfd,
2318
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
921
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
922 __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
923 __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
924 __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
925 __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
926
a831de056de3 net.server_select, net.server_event: Convert to unix line endings from Windows
Matthew Wild <mwild1@gmail.com>
parents: 2303
diff changeset
927 }