verse
1f47ddab3499
init.lua

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init.lua @ 60:1f47ddab3499

verse: Fire "status" event for connection status changes (notably SSL handshake complete)
author Matthew Wild <mwild1@gmail.com>
date Tue, 11 May 2010 22:40:13 +0100
parent 59:829a0a495dd1
child 64:a28540d4117a
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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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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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44
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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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55 local conn = server.wrapclient(conn, connect_host, connect_port, new_listener(self), "*a");
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56 if not conn then
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57 return nil, err;
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58 end
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60 self.conn = conn;
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61 local w, t = conn.write, tostring;
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62 self.send = function (_, data) return w(conn, t(data)); end
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63 end
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64
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65 -- Logging functions
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66 function stream:debug(...)
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67 if self.logger and self.log.debug then
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68 return self.logger("debug", ...);
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69 end
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70 end
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71
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72 function stream:warn(...)
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73 if self.logger and self.log.warn then
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74 return self.logger("warn", ...);
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75 end
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76 end
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78 function stream:error(...)
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79 if self.logger and self.log.error then
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80 return self.logger("error", ...);
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81 end
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82 end
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83
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84 function stream:set_logger(logger, levels)
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85 local old_logger = self.logger;
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86 if logger then
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87 self.logger = logger;
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88 end
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89 if levels then
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90 if levels == true then
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91 levels = { "debug", "info", "warn", "error" };
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92 end
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93 self.log = {};
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94 for _, level in ipairs(levels) do
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95 self.log[level] = true;
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96 end
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97 end
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98 return old_logger;
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99 end
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100
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101 -- Event handling
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102 function stream:event(name, ...)
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103 self:debug("Firing event: "..tostring(name));
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104 return self.events.fire_event(name, ...);
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105 end
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106
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107 function stream:hook(name, ...)
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108 return self.events.add_handler(name, ...);
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109 end
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110
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111 function stream:unhook(name, handler)
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112 return self.events.remove_handler(name, handler);
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113 end
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114
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115 function stream:add_plugin(name)
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116 if require("verse.plugins."..name) then
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117 local ok, err = verse.plugins[name](self);
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118 if ok then
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119 self:debug("Loaded %s plugin", name);
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120 else
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121 self:warn("Failed to load %s plugin: %s", name, err);
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122 end
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123 end
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124 return self;
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125 end
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126
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127 -- Listener factory
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128 function new_listener(stream)
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129 local conn_listener = {};
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130
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131 function conn_listener.onconnect(conn)
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132 stream.connected = true;
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133 stream.send = function (stream, data) stream:debug("Sending data: "..tostring(data)); return conn:write(tostring(data)); end;
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134 stream:event("connected");
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135 end
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136
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137 function conn_listener.onincoming(conn, data)
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138 stream:event("incoming-raw", data);
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139 end
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140
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141 function conn_listener.ondisconnect(conn, err)
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142 stream.connected = false;
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143 stream:event("disconnected", { reason = err });
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144 end
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145
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146 function conn_listener.ondrain(conn)
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147 stream:event("drained");
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148 end
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149
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150 function conn_listener.onstatus(conn, new_status)
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151 stream:event("status", new_status);
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152 end
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153
0
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Matthew Wild <mwild1@gmail.com>
parents:
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154 return conn_listener;
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Matthew Wild <mwild1@gmail.com>
parents:
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155 end
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parents:
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156
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157
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158 local log = require "util.logger".init("verse");
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Matthew Wild <mwild1@gmail.com>
parents:
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159
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Matthew Wild <mwild1@gmail.com>
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160 return verse;