Ruby on rails Rails gem类重写实现加载顺序
我想替换我正在使用的gem中的特定ruby文件 我使用的gem是private_pub:我要替换的文件是: 因此,我决定在rails项目中,在config/initializers中添加一个名为faye_extension.rb的新文件,其中包含以下代码:Ruby on rails Rails gem类重写实现加载顺序,ruby-on-rails,ruby,rubygems,faye,private-pub,Ruby On Rails,Ruby,Rubygems,Faye,Private Pub,我想替换我正在使用的gem中的特定ruby文件 我使用的gem是private_pub:我要替换的文件是: 因此,我决定在rails项目中,在config/initializers中添加一个名为faye_extension.rb的新文件,其中包含以下代码: PrivatePub::FayeExtension puts "Overide loaded" module PrivatePub # This class is an extension for the Faye::RackAdapte
PrivatePub::FayeExtension
puts "Overide loaded"
module PrivatePub
# This class is an extension for the Faye::RackAdapter.
# It is used inside of PrivatePub.faye_app.
class FayeExtension
# Callback to handle incoming Faye messages. This authenticates both
# subscribe and publish calls.
def incoming(message, callback)
puts "MY MEGA CHANGE"
logger.debug "inside incoming override"
if message["channel"] == "/meta/subscribe"
puts "subscription request received"
authenticate_subscribe(message)
elsif message["channel"] !~ %r{^/meta/}
puts "publish request received"
authenticate_publish(message)
end
callback.call(message)
end
private
# Ensure the subscription signature is correct and that it has not expired.
def authenticate_subscribe(message)
subscription = PrivatePub.subscription(:channel => message["subscription"], :timestamp => message["ext"]["private_pub_timestamp"])
if message["ext"]["private_pub_signature"] != subscription[:signature]
message["error"] = "Incorrect signature."
elsif PrivatePub.signature_expired? message["ext"]["private_pub_timestamp"].to_i
message["error"] = "Signature has expired."
end
end
# Ensures the secret token is correct before publishing.
def authenticate_publish(message)
if PrivatePub.config[:secret_token].nil?
raise Error, "No secret_token config set, ensure private_pub.yml is loaded properly."
elsif message["ext"]["private_pub_token"] != PrivatePub.config[:secret_token]
message["error"] = "Incorrect token."
else
message["ext"]["private_pub_token"] = nil
end
end
end
end
我在顶部包含“PrivatePub::FayeExtension”的原因是为了强制自动加载,这样FayeExtension类将覆盖gem的实现。但是,当我执行驱动此逻辑的代码路径时,日志中没有显示我添加的puts语句。值得一提的是,我确实看到了“过度加载”,但我相信这种情况会发生,然后,不知何故,使用了gem的实现。这让我相信gem的faye_extension.rb正在被使用,而不是我的版本
如何强制使用我的版本而不是gem的版本 您必须使用Rails logger来代替puts,我认为它是由Rails执行的,但是puts输出不在标准终端上。我有行“logger.debug”Inner incoming override“,所以我应该在哪里检查以查看它?没有development.log?这是在生产环境中,我有err.unicorn.log和out.unicorn.log,它们都不包含“内部传入覆盖”