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
|
--
-- This file is part of LEM, a Lua Event Machine.
-- Copyright 2011-2013 Emil Renner Berthing
--
-- LEM is free software: you can redistribute it and/or modify it
-- under the terms of the GNU Lesser General Public License as
-- published by the Free Software Foundation, either version 3 of
-- the License, or (at your option) any later version.
--
-- LEM is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Lesser General Public License for more details.
--
-- You should have received a copy of the GNU Lesser General Public
-- License along with LEM. If not, see <http://www.gnu.org/licenses/>.
--
local utils = require 'lem.utils'
local io = require 'lem.io.core'
local type = type
local assert = assert
local error = error
do
local parsers = require 'lem.parsers'
io.Stream.read = parsers.newreader(io.Stream.readp)
io.File.read = parsers.newreader(io.File.readp)
end
do
local stdin = io.stdin
function io.input(file)
if not file then return stdin end
if type(file) == 'string' then
stdin = assert(io.open(file))
else
stdin = file
end
end
function io.read(...)
return stdin:read(...)
end
end
do
local stdout = io.stdout
function io.output(file)
if not file then return stdout end
if type(file) == 'string' then
stdout = assert(io.open(file))
else
stdout = file
end
end
function io.write(...)
return stdout:write(...)
end
function io.close(file)
if not file then file = stdout end
return file:close()
end
end
do
local MultiServer = {}
MultiServer.__index = MultiServer
io.MultiServer = MultiServer
function MultiServer:interrupt()
return self[1]:interrupt()
end
function MultiServer:close()
local rok, rerr = true
for i = 1, #self do
local ok, err = self[i]:close()
if not ok then
rok, rerr = ok, err
end
end
return rok, rerr
end
local function autospawn(self, i, handler)
local ok, err = self[i]:autospawn(handler)
if self.running then
self.running, self.ok, self.err = false, ok, err
end
for i = 1, #self do
self[i]:interrupt()
end
end
local spawn = utils.spawn
function MultiServer:autospawn(handler)
local n = #self
self.running = true
for i = 1, n-1 do
spawn(autospawn, self, i, handler)
end
autospawn(self, n, handler)
return self.ok, self.err
end
local setmetatable = setmetatable
local listen4, listen6 = io.tcp.listen4, io.tcp.listen6
function io.tcp.listen(host, port)
if host:match(':') then
return listen6(host, port)
end
local s6, err = listen6(host, port)
if s6 then
local s4 = listen4(host, port)
if s4 then
return setmetatable({ s6, s4 }, MultiServer)
end
return s6
else
return listen4(host, port)
end
end
end
return io
-- vim: ts=2 sw=2 noet:
|
