verse
163beb198646
init.lua

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init.lua @ 55:163beb198646

verse: Add "drained" event to signal when send buffer is empty (new server.lua feature)
author Matthew Wild <mwild1@gmail.com>
date Thu, 06 May 2010 10:28:13 +0100
parent 54:1a2a3d598254
child 59:829a0a495dd1
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17
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2 -- Use LuaRocks if available
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3 pcall(require, "luarocks.require");
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9c96318913f7 Revert module names throughout to their Prosody equivalents
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5 local server = require "net.server";
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6 local events = require "util.events";
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8 module("verse", package.seeall);
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9 local verse = _M;
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11 local stream = {};
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12 stream.__index = stream;
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13 stream_mt = stream;
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15 verse.plugins = {};
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17 function verse.new(logger, base)
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18 local t = setmetatable(base or {}, stream);
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19 t.id = tostring(t):match("%x*$");
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20 t:set_logger(logger, true);
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21 t.events = events.new();
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22 return t;
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23 end
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25 verse.add_task = require "util.timer".add_task;
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27 function verse.loop()
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28 return server.loop();
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29 end
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31 function verse.quit()
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32 return server.setquitting(true);
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33 end
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34
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35 verse.logger = logger.init;
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36
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37 function verse.set_logger(logger)
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38 server.setlogger(logger);
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39 end
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40
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41 function stream:connect(connect_host, connect_port)
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42 connect_host = connect_host or "localhost";
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43 connect_port = tonumber(connect_port) or 5222;
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45 -- Create and initiate connection
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46 local conn = socket.tcp()
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47 conn:settimeout(0);
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48 local success, err = conn:connect(connect_host, connect_port);
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49
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50 if not success and err ~= "timeout" then
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51 self:warn("connect() to %s:%d failed: %s", connect_host, connect_port, err);
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52 return false, err;
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53 end
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54
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55 --local conn, err = server.addclient(self.connect_host or self.host, tonumber(self.connect_port) or 5222, new_listener(self), "*a");
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56 local conn = server.wrapclient(conn, connect_host, connect_port, new_listener(self), "*a"); --, hosts[from_host].ssl_ctx, false );
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57 if not conn then
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58 return nil, err;
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59 end
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61 self.conn = conn;
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62 local w, t = conn.write, tostring;
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63 self.send = function (_, data) return w(conn, t(data)); end
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64 end
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65
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66 -- Logging functions
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67 function stream:debug(...)
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68 if self.logger and self.log.debug then
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69 return self.logger("debug", ...);
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70 end
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71 end
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72
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73 function stream:warn(...)
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74 if self.logger and self.log.warn then
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75 return self.logger("warn", ...);
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76 end
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77 end
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79 function stream:error(...)
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80 if self.logger and self.log.error then
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81 return self.logger("error", ...);
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82 end
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83 end
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84
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85 function stream:set_logger(logger, levels)
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86 local old_logger = self.logger;
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87 if logger then
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88 self.logger = logger;
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89 end
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90 if levels then
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91 if levels == true then
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92 levels = { "debug", "info", "warn", "error" };
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93 end
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94 self.log = {};
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95 for _, level in ipairs(levels) do
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96 self.log[level] = true;
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97 end
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98 end
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99 return old_logger;
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100 end
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101
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102 -- Event handling
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103 function stream:event(name, ...)
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104 self:debug("Firing event: "..tostring(name));
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105 return self.events.fire_event(name, ...);
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106 end
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107
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108 function stream:hook(name, ...)
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109 return self.events.add_handler(name, ...);
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110 end
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111
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112 function stream:unhook(name, handler)
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113 return self.events.remove_handler(name, handler);
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114 end
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115
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116 function stream:add_plugin(name)
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117 if require("verse.plugins."..name) then
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118 local ok, err = verse.plugins[name](self);
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119 if ok then
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120 self:debug("Loaded %s plugin", name);
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121 else
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122 self:warn("Failed to load %s plugin: %s", name, err);
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123 end
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124 end
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125 return self;
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126 end
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127
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128 -- Listener factory
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129 function new_listener(stream)
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130 local conn_listener = {};
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131
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132 function conn_listener.onconnect(conn)
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133 stream.connected = true;
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134 stream.send = function (stream, data) stream:debug("Sending data: "..tostring(data)); return conn:write(tostring(data)); end;
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135 stream:event("connected");
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136 end
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137
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138 function conn_listener.onincoming(conn, data)
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139 stream:event("incoming-raw", data);
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140 end
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141
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142 function conn_listener.ondisconnect(conn, err)
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143 stream.connected = false;
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144 stream:event("disconnected", { reason = err });
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145 end
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146
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147 function conn_listener.ondrain(conn)
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148 stream:event("drained");
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149 end
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150
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151 return conn_listener;
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152 end
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153
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154
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Matthew Wild <mwild1@gmail.com>
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155 local log = require "util.logger".init("verse");
caf260adc453 Beginning of new verse
Matthew Wild <mwild1@gmail.com>
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156
caf260adc453 Beginning of new verse
Matthew Wild <mwild1@gmail.com>
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157 return verse;