ensl.org/app/models/server.rb
Luke Barratt 85d592f648 Initial article text code
Added model annotations
2014-03-26 11:09:39 +00:00

371 lines
11 KiB
Ruby

# == Schema Information
#
# Table name: servers
#
# id :integer not null, primary key
# name :string(255)
# description :string(255)
# dns :string(255)
# ip :string(255)
# port :string(255)
# rcon :string(255)
# password :string(255)
# irc :string(255)
# user_id :integer
# official :boolean
# created_at :datetime
# updated_at :datetime
# map :string(255)
# players :integer
# max_players :integer
# ping :string(255)
# version :integer
# domain :integer default(0), not null
# reservation :string(255)
# recording :string(255)
# idle :datetime
# default_id :integer
# active :boolean default(TRUE), not null
# recordable_type :string(255)
# recordable_id :integer
# category_id :integer
#
require "rcon"
require "yaml"
class Server < ActiveRecord::Base
include Extra
DOMAIN_HLDS = 0
DOMAIN_HLTV = 1
DOMAIN_NS2 = 2
HLTV_IDLE = 1200
DEMOS = "/var/www/virtual/ensl.org/hlds_l/ns/demos"
QSTAT = "/usr/bin/quakestat"
TMPFILE = "tmp/server.txt"
attr_accessor :rcon_handle, :pwd
attr_protected :id, :user_id, :updated_at, :created_at, :map, :players, :maxplayers, :ping, :version
validates_length_of [:name, :dns,], :in => 1..30
validates_length_of [:rcon, :password, :irc], :maximum => 30, :allow_blank => true
validates_length_of :description, :maximum => 255, :allow_blank => true
validates_format_of :ip, :with => /\A[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\z/
validates_format_of :port, :with => /\A[0-9]{1,5}\z/
validates_format_of :reservation, :with => /\A[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}:[0-9]{1,5}\z/, :allow_nil => true
validates_format_of :pwd, :with => /\A[A-Za-z0-9_\-]*\z/, :allow_nil => true
scope :ordered, :order => "name"
scope :hlds, :conditions => ["domain = ?", DOMAIN_HLDS]
scope :ns2, :conditions => ["domain = ?", DOMAIN_NS2]
scope :hltvs, :conditions => ["domain = ?", DOMAIN_HLTV]
scope :active, :conditions => "active = 1"
scope :with_players, :conditions => "players > 0"
scope :reserved, :conditions => "reservation IS NOT NULL"
scope :unreserved_now, :conditions => "reservation IS NULL"
scope :unreserved_hltv_around,
lambda { |time| {
:select => "servers.*",
:joins => "LEFT JOIN matches ON servers.id = matches.hltv_id
AND match_time > '#{(time.ago(Match::MATCH_LENGTH).utc).strftime("%Y-%m-%d %H:%M:%S")}'
AND match_time < '#{(time.ago(-Match::MATCH_LENGTH).utc).strftime("%Y-%m-%d %H:%M:%S")}'",
:conditions => "matches.hltv_id IS NULL"} }
scope :of_addr,
lambda { |addr| {
:conditions => {
:ip => addr.match(/([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})/)[0],
:port => addr.match(/:([0-9]{1,5})/)[1] } } }
scope :of_category,
lambda { |category| {
:conditions => {:category_id => category.id} }}
has_many :logs
has_many :matches
has_many :challenges
belongs_to :user
belongs_to :recordable, :polymorphic => true
before_create :set_category
acts_as_versioned
non_versioned_columns << 'name'
non_versioned_columns << 'description'
non_versioned_columns << 'dns'
non_versioned_columns << 'ip'
non_versioned_columns << 'port'
non_versioned_columns << 'rcon'
non_versioned_columns << 'password'
non_versioned_columns << 'irc'
non_versioned_columns << 'user_id'
non_versioned_columns << 'official'
non_versioned_columns << 'domain'
non_versioned_columns << 'reservation'
non_versioned_columns << 'recording'
non_versioned_columns << 'idle'
non_versioned_columns << 'default_id'
non_versioned_columns << 'active'
non_versioned_columns << 'recordable_type'
non_versioned_columns << 'recordable_id'
def domains
{DOMAIN_HLTV => "HLTV", DOMAIN_HLDS => "NS Server", DOMAIN_NS2 => "NS2 Server"}
end
def to_s
name
end
def addr
ip + ":" + port.to_s
end
def players_s
if players.nil? or max_players.nil?
"N/A"
else
players.to_s + " / " + max_players.to_s
end
end
def recording_s
return nil if self.domain != DOMAIN_HLTV
# recording.to_i > 0 ? Match.find(recording).to_s : recording
recording
end
def reservation_s
return nil if domain != DOMAIN_HLTV
reservation
end
def graphfile
File.join("public", "images", "servers", id.to_s + ".png")
end
def set_category
self.category_id = (domain == DOMAIN_NS2 ? 45 : 44 )
end
def after_validation_on_update
if reservation_changed?
rcon_connect
if reservation == nil
rcon_exec "stop"
self.recording = nil
self.recordable = nil
self.idle = nil
save_demos if self.recording
hltv_stop
else
if changes['reservation'][0].nil?
hltv_start
rcon_exec "stop"
self.recording = recordable.demo_name if recordable and recordable_type == "Match" or recordable_type == "Gather"
rcon_exec "record demos/" + self.recording if self.recording
end
rcon_exec "serverpassword " + pwd
rcon_exec "connect " + reservation
self.idle = DateTime.now
end
rcon_disconnect
end
end
def execute command
rcon_connect
response = rcon_exec command
rcon_disconnect
response
end
def rcon_connect
self.rcon_handle = RCon::Query::Original.new(ip, port, rcon)
end
def rcon_exec command
response = rcon_handle.command(command)
Log.transaction do
Log.add(self, Log::DOMAIN_RCON_COMMAND, command)
if response.to_s.length > 0
Log.add(self, Log::DOMAIN_RCON_RESPONSE, response)
end
end
response
end
def rcon_disconnect
rcon_handle.disconnect
end
def hltv_start
if nr = hltv_nr
`screen -d -m -S "Hltv-#{nr[1]}" -c $HOME/.screenrc-hltv $HOME/hlds_l/hltv -ip 78.46.36.107 -port 28#{nr[1]}00 +exec ns/hltv#{nr[1]}.cfg`
sleep 1
end
end
def hltv_nr
self.name.match(/Tv \#([0-9])/)
end
def hltv_stop
if nr = hltv_nr
sleep 5
rcon_exec "exit"
#`screen -S "Hltv-#{nr[1]}" -X 'quit'`
end
end
def save_demos
dir = case recordable_type
when "Match" then
recordable.contest.demos
when "Gather" then
Directory.find(Directory::DEMOS_GATHERS)
end
dir ||= Directory.find(Directory::DEMOS_DEFAULT)
zip_path = File.join(dir.path, recording + ".zip")
Zip::ZipOutputStream::open(zip_path) do |zos|
if recordable_type == "Match"
zos.put_next_entry "readme.txt"
zos.write "Team1: " + recordable.contester1.to_s + "\r\n"
zos.write "Team2: " + recordable.contester2.to_s + "\r\n"
zos.write "Date: " + recordable.match_time.to_s + "\r\n"
zos.write "Contest: " + recordable.contest.to_s + "\r\n"
zos.write "Server: " + recordable.server.addr + "\r\n" if recordable.server
zos.write "HLTV: " + addr + "\r\n"
zos.write YAML::dump(recordable.attributes).to_s
end
Dir.glob("#{DEMOS}/*").each do |file|
if File.file?(file) and file.match(/#{recording}.*\.dem/)
zos.put_next_entry File.basename(file)
zos.write(IO.read(file))
end
end
end
DataFile.transaction do
unless dbfile = DataFile.find_by_path(zip_path)
dbfile = DataFile.new
dbfile.path = zip_path
dbfile.directory = dir
dbfile.save!
DataFile.update_all({:name => File.basename(zip_path)}, {:id => dbfile.id})
end
if recordable_type == "Match"
recordable.demo = dbfile
recordable.save
end
end
end
def make_stats
graph = Gruff::Line.new
graph.title = name
pings = []
players = []
labels = {}
n = 0
for version in versions.all(:order => "updated_at DESC", :limit => 30).reverse
pings << version.ping.to_i
players << version.players.to_i
labels[n] = version.updated_at.strftime("%H:%M") if n % 3 == 0
n = n + 1
end
graph.theme_37signals
graph.data("Ping", pings, '#057fc0')
graph.data("Players", players, '#ff0000')
graph.labels = labels
graph.write(graphfile)
end
def default_record
# if self.default
# rcon_exec "record demos/auto-" + Verification.uncrap(default.name)
# rcon_exec "serverpassword " + default.password
# rcon_exec "connect " + default.addr
# end
end
def is_free time
challenges.around(time).pending.count == 0 and matches.around(time).count == 0
end
def can_create? cuser
cuser
end
def can_update? cuser
cuser and cuser.admin? or user == cuser
end
def can_destroy? cuser
cuser and cuser.admin?
end
def self.refresh
servers = ""
Server.hlds.active.all.each do |server|
servers << " -a2s " + server.ip + ":" + server.port.to_s
end
file = File.join(Rails.root, TMPFILE)
system "#{QSTAT} -xml #{servers} | grep -v '<name>' > #{file}"
doc = REXML::Document.new(File.new(file).read)
doc.elements.each('qstat/server') do |server|
hostname = server.elements['hostname'].text.split(':', 2)
if s = Server.active.first(:conditions => {:ip => hostname[0], :port => hostname[1]})
if server.elements.include? 'map'
s.map = server.elements['map'].text
s.players = server.elements['numplayers'].text.to_i
s.max_players = server.elements['maxplayers'].text.to_i
s.ping = server.elements['ping'].text
s.map = server.elements['map'].text
s.save
s.make_stats
end
end
end
servers = ""
Server.hltvs.reserved.each do |server|
servers << " -a2s #{server.reservation}"
end
doc = REXML::Document.new(`#{QSTAT} -xml #{servers} | grep -v '<name>'`)
doc.elements.each('qstat/server') do |server|
hostname = server.elements['hostname'].text.split(':', 2)
if s = Server.hltvs.reserved.first(:conditions => {:ip => hostname[0], :port => hostname[1]})
if server.elements['numplayers'].text.to_i > 0
s.update_attribute :idle, DateTime.now
elsif (s.idle + HLTV_IDLE).past?
s.reservation = nil
s.save
end
end
end
end
def self.move addr, newaddr, newpwd
self.hltvs.all(:conditions => {:reservation => addr}).each do |hltv|
hltv.reservation = newaddr
hltv.pwd = newpwd
hltv.save!
end
end
def self.stop addr
self.hltvs.all(:conditions => {:reservation => addr}).each do |hltv|
hltv.reservation = nil
hltv.save!
end
end
end