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| | # -*- 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, Errno::ENOTCONN
# 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
|