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
| | # -*- encoding: binary -*-
module Rainbows
class Error
class << self
# if we get any error, try to write something back to the client
# assuming we haven't closed the socket, but don't get hung up
# if the socket is already closed or broken. We'll always ensure
# the socket is closed at the end of this function
def write(io, e)
msg = Error.response(e) and io.write_nonblock(msg)
rescue
end
def app(e)
G.server.logger.error "app error: #{e.inspect}"
G.server.logger.error e.backtrace.join("\n")
rescue
end
def listen_loop(e)
G.alive or return
G.server.logger.error "listen loop error: #{e.inspect}."
G.server.logger.error e.backtrace.join("\n")
rescue
end
def response(e)
case e
when EOFError,Errno::ECONNRESET,Errno::EPIPE,Errno::EINVAL,Errno::EBADF
# swallow error if client shuts down one end or disconnects
when Unicorn::HttpParserError
Const::ERROR_400_RESPONSE # try to tell the client they're bad
when IOError # HttpParserError is an IOError
else
app(e)
Const::ERROR_500_RESPONSE
end
end
end
end
end
|