-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathinit.lua
More file actions
223 lines (181 loc) · 4.92 KB
/
init.lua
File metadata and controls
223 lines (181 loc) · 4.92 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
-- Use LuaRocks if available
pcall(require, "luarocks.require");
-- Load LuaSec if available
pcall(require, "ssl");
local server = require "net.server";
local events = require "util.events";
module("verse", package.seeall);
local verse = _M;
_M.server = server;
local stream = {};
stream.__index = stream;
stream_mt = stream;
verse.plugins = {};
function verse.new(logger, base)
local t = setmetatable(base or {}, stream);
t.id = tostring(t):match("%x*$");
t:set_logger(logger, true);
t.events = events.new();
t.plugins = {};
return t;
end
verse.add_task = require "util.timer".add_task;
verse.logger = logger.init;
verse.log = verse.logger("verse");
function verse.set_logger(logger)
verse.log = logger;
server.setlogger(logger);
end
function verse.filter_log(levels, logger)
local level_set = {};
for _, level in ipairs(levels) do
level_set[level] = true;
end
return function (level, name, ...)
if level_set[level] then
return logger(level, name, ...);
end
end;
end
local function error_handler(err)
verse.log("error", "Error: %s", err);
verse.log("error", "Traceback: %s", debug.traceback());
end
function verse.set_error_handler(new_error_handler)
error_handler = new_error_handler;
end
function verse.loop()
return xpcall(server.loop, error_handler);
end
function verse.step()
return xpcall(server.step, error_handler);
end
function verse.quit()
return server.setquitting(true);
end
function stream:connect(connect_host, connect_port)
connect_host = connect_host or "localhost";
connect_port = tonumber(connect_port) or 5222;
-- Create and initiate connection
local conn = socket.tcp()
conn:settimeout(0);
local success, err = conn:connect(connect_host, connect_port);
if not success and err ~= "timeout" then
self:warn("connect() to %s:%d failed: %s", connect_host, connect_port, err);
return self:event("disconnected", { reason = err }) or false, err;
end
local conn = server.wrapclient(conn, connect_host, connect_port, new_listener(self), "*a");
if not conn then
self:warn("connection initialisation failed: %s", err);
return self:event("disconnected", { reason = err }) or false, err;
end
self.conn = conn;
self.send = function (stream, data)
self:event("outgoing", data);
data = tostring(data);
self:event("outgoing-raw", data);
return conn:write(data);
end;
return true;
end
function stream:close()
if not self.conn then
verse.log("error", "Attempt to close disconnected connection - possibly a bug");
return;
end
local on_disconnect = self.conn.disconnect();
self.conn:close();
on_disconnect(conn, reason);
end
-- Logging functions
function stream:debug(...)
if self.logger and self.log.debug then
return self.logger("debug", ...);
end
end
function stream:warn(...)
if self.logger and self.log.warn then
return self.logger("warn", ...);
end
end
function stream:error(...)
if self.logger and self.log.error then
return self.logger("error", ...);
end
end
function stream:set_logger(logger, levels)
local old_logger = self.logger;
if logger then
self.logger = logger;
end
if levels then
if levels == true then
levels = { "debug", "info", "warn", "error" };
end
self.log = {};
for _, level in ipairs(levels) do
self.log[level] = true;
end
end
return old_logger;
end
function stream_mt:set_log_levels(levels)
self:set_logger(nil, levels);
end
-- Event handling
function stream:event(name, ...)
self:debug("Firing event: "..tostring(name));
return self.events.fire_event(name, ...);
end
function stream:hook(name, ...)
return self.events.add_handler(name, ...);
end
function stream:unhook(name, handler)
return self.events.remove_handler(name, handler);
end
function verse.eventable(object)
object.events = events.new();
object.hook, object.unhook = stream.hook, stream.unhook;
local fire_event = object.events.fire_event;
function object:event(name, ...)
return fire_event(name, ...);
end
return object;
end
function stream:add_plugin(name)
if self.plugins[name] then return true; end
if require("verse.plugins."..name) then
local ok, err = verse.plugins[name](self);
if ok ~= false then
self:debug("Loaded %s plugin", name);
self.plugins[name] = true;
else
self:warn("Failed to load %s plugin: %s", name, err);
end
end
return self;
end
-- Listener factory
function new_listener(stream)
local conn_listener = {};
function conn_listener.onconnect(conn)
stream.connected = true;
stream:event("connected");
end
function conn_listener.onincoming(conn, data)
stream:event("incoming-raw", data);
end
function conn_listener.ondisconnect(conn, err)
stream.connected = false;
stream:event("disconnected", { reason = err });
end
function conn_listener.ondrain(conn)
stream:event("drained");
end
function conn_listener.onstatus(conn, new_status)
stream:event("status", new_status);
end
return conn_listener;
end
local log = require "util.logger".init("verse");
return verse;