/
balancer.rb
74 lines (62 loc) · 1.67 KB
/
balancer.rb
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#####################################################################
# #
# Ciprand reverse proxy and load balancer #
# #
# this proxy server chooses a random server for #
# each request to handle the incoming traffic #
# #
#####################################################################
require 'cgi'
require 'net/http'
require 'socket'
$servers = [
ENV["SERVER1"],
ENV["SERVER2"], #
ENV["SERVER3"], # servers subdomain
ENV["SERVER4"], #
ENV["SERVER5"]
]
$baseurl = ENV["BASEURL"] # main domain
server = TCPServer.new(ENV["PORT"]) # Port : proxy port
def ServerGet(request)
begin
uri = URI(request)
params = CGI::parse(uri.query)
server = $servers[rand($servers.length)]
server = "https://#{server}.#{$baseurl}/api?len=#{params['len'][0]}&count=#{params['count'][0]}"
resp = Net::HTTP.get_response(URI(server))
b = resp.body
rescue
b = false
end
return b
end
loop do
client = server.accept
Thread.start {
request = client.readpartial(3000)
if request.split[0] != "GET"
head = "HTTP/1.1 405\r\n"
head += "Content-Length: 18\r\n"
head += "Content-Type: plain/text\r\n"
head += "\r\n"
head += "Method not allowed\r\n"
client.write(head)
client.close
Thread.exit()
end
res = ServerGet(request.split[1])
code = 200
if !res
res = '{"status": "error"}'
code = 500
end
head = "HTTP/1.1 #{code}\r\n"
head += "Content-Length: #{res.length}\r\n"
head += "Content-Type: application/json\r\n"
head += "\r\n"
head += "#{res}\r\n"
client.write(head)
client.close
}
end