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
|
#--
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#++
class Driver
def initialize
@selectables = {}
end
def add(selectable)
@selectables[selectable.fileno] = selectable
end
def process
reading = []
writing = []
@selectables.each_value do |sel|
if sel.closed? || sel.fileno.nil?
@selectables.delete(sel.fileno)
else
begin
reading << sel.to_io if sel.reading?
writing << sel.to_io if sel.writing?
rescue Exception => error
puts "Error: #{error}"
puts error.backtrace.join("\n");
# @selectables.delete(sel.fileno)
end
end
end
read_from, write_to = IO.select(reading, writing, [], 0)
unless read_from.nil?
read_from.each do |r|
sel = @selectables[r.fileno]
sel.readable unless sel.nil? || sel.closed?
end
end
begin
unless write_to.nil?
write_to.each do |w|
sel = @selectables[w.fileno]
sel.writable unless sel.nil? || sel.closed?
end
end
end
end
end
|
