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# -*- coding: utf-8 -*-
require_relative "basic"
class MikuTwitter::StreamingFailedActions
attr_reader :last_code, :wait_time, :fail_count
def initialize(name, plugin)
@name = name
@plugin = plugin
@last_code = '200'.freeze
@wait_time = @fail_count = 0
end
def notify(e)
if e.respond_to?(:code)
if e.code != @last_code
case e.code
when '200'.freeze
success
when '401'.freeze # unauthorized
client_bug e
when '403'.freeze # forbidden
client_bug e
when '404'.freeze # unknown
client_bug e
when '406'.freeze # not acceptable
client_bug e
when '413'.freeze # too long
client_bug e
when '416'.freeze # range unacceptable
client_bug e
when '420'.freeze # rate limited
rate_limit e
when '500'.freeze # server internal error
flying_whale e
when '503'.freeze # service overloaded
flying_whale e
end
end
httperror
@last_code = e.code.freeze
elsif e.is_a?(Exception) or e.is_a?(Thread)
tcperror
end
end
# 接続できた時の処理
# ==== Args
# [e] レスポンス(Net::HTTPResponse)
def success
Plugin.call(:streaming_connection_status_connected,
@name, @last_code)
@wait_time = @fail_count = 0
@last_code = '200'.freeze end
# こちらの問題が原因でTwitterサーバからエラーが返って来ている場合の処理。
# ただし、過去には何度もサーバ側の不具合で4xx系のエラーが返って来ていたことが
# あったのであまり宛てにするべきではない
# ==== Args
# [res] レスポンス(Net::HTTPResponse)
def client_bug(res)
Plugin.call(:streaming_connection_status_failed,
@name, get_error_str(res)) end
# 規制された時の処理
# ==== Args
# [res] レスポンス(Net::HTTPResponse)
def rate_limit(res)
Plugin.call(:streaming_connection_status_ratelimit,
@name, get_error_str(res)) end
# サーバエラー・過負荷時の処理
# ==== Args
# [e] レスポンス(Net::HTTPResponse)
def flying_whale(e)
Plugin.call(:streaming_connection_status_flying_whale,
@name, get_error_str(res)) end
private
def get_error_str(e)
result = ""
result += e.code if e.respond_to? :code
result += " "+e.body.chomp if e.respond_to? :body
return e.to_s if result.empty?
result end
def tcperror
@fail_count += 1
if 1 < @fail_count
@wait_time += 0.25
if @wait_time > 16
@wait_time = 16 end end end
def httperror
@fail_count += 1
if 1 < @fail_count
if 2 == @fail_count
@wait_time = 10
else
@wait_time *= 2
if @wait_time > 240
@wait_time = 240 end end end end
end
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