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models.py
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models.py
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import mimetypes
import os
import psutil
import signal
from datetime import timedelta
from markdown import markdown
from shutil import copyfile, rmtree
from django.db import models
from django.contrib.auth.models import User
from django.forms import ValidationError
from django.utils import timezone
from django.utils.html import escape
from picklefield.fields import PickledObjectField
from mod.tasks import run_server
from settings import DEBUG, MEDIA_ROOT
from lib.twconfig import Config as TwConfig
from lib.twserverinfo import ServerInfo
class FreePortManager(models.Manager):
def get_query_set(self):
return super(FreePortManager, self).get_query_set().filter(is_active=False)
class ActiveServerManager(models.Manager):
def get_query_set(self):
return super(ActiveServerManager, self).get_query_set().filter(is_active=True)
class Mod(models.Model):
mod_file = models.FileField(upload_to='uploads', help_text='Should be .zip or .tar')
upload_date = models.DateTimeField('Uploaddatum', auto_now=True)
title = models.CharField(blank=False, max_length=100)
mimetype = models.CharField(editable=False, max_length=100)
class Meta:
ordering = ['upload_date', 'title']
def __unicode__(self):
return self.title
def save(self):
self.mimetype = mimetypes.guess_type(self.mod_file.path)[0]
super(Mod, self).save()
def delete(self):
if os.path.exists(self.mod_file.path):
os.remove(self.mod_file.path)
path = os.path.join(MEDIA_ROOT, 'mods', self.title)
if os.path.exists(path):
rmtree(path)
super(Mod, self).delete()
class Port(models.Model):
port = models.IntegerField(unique=True)
is_active = models.BooleanField(default=False)
objects = models.Manager()
free = FreePortManager()
@staticmethod
def get_free_port():
try:
return Port.free.all()[0]
except:
return None
class Meta:
ordering = ['port']
def __unicode__(self):
return str(self.port)
def validate_unique(self, exclude=None):
if self.port < 0 or self.port > 65535:
raise ValidationError('The used Port is out of range.')
super(Port, self).validate_unique(exclude=exclude)
def save(self):
self.full_clean()
super(Port, self).save()
class Server(models.Model):
owner = models.ForeignKey(User, related_name='servers')
mod = models.ForeignKey(Mod, related_name='servers')
pid = models.IntegerField(blank=True, null=True, unique=True)
port = models.OneToOneField(Port, blank=True, null=True, related_name='server')
is_active = models.BooleanField(default=False)
online = models.BooleanField(default=False)
set_online_at = models.DateTimeField(auto_now=True)
locked = models.BooleanField(default=False)
automatic_restart = models.BooleanField(default=False)
map_download_allowed = models.BooleanField(default=True)
description = models.TextField(blank=True, help_text='You may use markdown')
description_html = models.TextField(blank=True)
server_info = PickledObjectField(blank=True, null=True)
random_key = models.CharField(max_length=24, unique=True, null=True)
objects = models.Manager()
active = ActiveServerManager()
@property
def is_online(self):
if self.port and self.port.is_active and self.online:
return True
return False
def get_server_info(self):
if self.is_online:
s = ServerInfo()
s.send(self.port.port)
if not s.server_info and timezone.now() >= self.set_online_at + timedelta(seconds=10): # assume there is something wrong with the server
self.set_offline()
info_dict = s.server_info
info_dict['password'] = s.password
self.server_info = info_dict
else:
self.server_info = ''
self.save()
@property
def map_exists(self):
if self.is_online: # return true if server is online
return True
map_name = self.config_options.get(command='sv_map').value
if self.maps.filter(name=map_name):
return True
return False
class Meta:
ordering = ['owner', 'mod', 'port']
def __unicode__(self):
return '{0} ({1}) Owner: {2}'.format(self.mod.title, self.is_online, self.owner.username)
def check_online(self):
if self.pid in psutil.get_pid_list():
if not self.online:
self.online = True
self.save()
return True
self.set_offline()
return False
def set_offline(self):
if self.port and self.port.is_active:
self.port.is_active = False
self.port.save()
self.port = None
if self.pid in psutil.get_pid_list():
os.kill(self.pid, signal.SIGTERM)
self.pid = None
self.online = False
self.server_info = ''
self.save()
def set_online(self):
if not self.locked:
ports = Port.objects.filter(server=self)
if ports:
for port in ports:
server = port.server
server.set_offline()
self.port = Port.get_free_port()
self.port.is_active = True
self.port.save()
if not DEBUG: # don#t care for lock in debug mode
self.locked = True
self.set_online_at = timezone.now()
self.save()
path = os.path.join(MEDIA_ROOT, 'mods', self.mod.title)
self.save_config()
with open(os.path.join(path, 'storage.cfg'), 'w') as storage:
storage.write('add_path servers/{0}/{1}/{2}\nadd_path $CURRENTDIR\n'.format(self.owner.username, self.id, self.random_key))
run_server.delay(path, self)
def save_config(self, download=False):
path = os.path.join(MEDIA_ROOT, 'mods', self.mod.title)
config = TwConfig(os.path.join(path, 'servers', self.owner.username, '{0}'.format(self.id), self.random_key, 'generated.cfg'))
for option in self.config_options.all():
if option.widget == Option.WIDGET_SELECT:
value = option.value.split(',', 1)[0]
widget = 'select:{0}'.format(option.value.split(',', 1)[1])
config.add_option(option.command, value, widget)
else:
if download and option.widget == Option.WIDGET_PASSWORD:
config.add_option(option.command, '', option.get_widget_display())
else:
config.add_option(option.command, option.value, option.get_widget_display())
if download:
config.add_option('sv_port', '8303')
else:
config.add_option('sv_port', self.port.port)
config.add_option('ec_port', self.port.port + 100)
config.add_option('ec_password', 'uptee')
for tune in self.config_tunes.all():
config.add_tune(tune.command, tune.value)
for vote in self.config_votes.all():
config.add_vote(vote.command, vote.title)
for rcon_command in self.config_rconcommands.all():
config.add_rcon_command(rcon_command.command, rcon_command.value)
config.write()
def reset_settings(self, old_obj):
for option in Option.objects.filter(server=self):
option.delete()
for tune in Tune.objects.filter(server=self):
tune.delete()
for vote in Vote.objects.filter(server=self):
vote.delete()
for rcon_command in RconCommand.objects.filter(server=self):
rcon_command.delete()
for available_rcon_command in AvailableRconCommand.objects.filter(server=self):
available_rcon_command.delete()
config_path = os.path.join(MEDIA_ROOT, 'mods', self.mod.title, 'config.cfg')
config = TwConfig(config_path)
config.read()
for key, value in config.options.iteritems():
widget = 1 # text
for widget_type in Option.WIDGET_CHOICES:
if widget_type[1] == value[1]:
widget = widget_type[0]
data = Option(server=self, command=key, value=value[0], widget=widget)
data.save()
for tune in config.tunes:
data = Tune(server=self, command=tune['command'], value=tune['value'])
data.save()
for vote in config.votes:
data = Vote(server=self, command=vote['command'], title=vote['title'])
data.save()
for rcon_command in config.available_rcon_commands:
data = AvailableRconCommand(server=self, command=rcon_command)
data.save()
# copy maps if there are already some
if old_obj:
server_maps_path = os.path.join(MEDIA_ROOT, 'mods', old_obj.mod.title, 'servers', old_obj.owner.username, '{0}'.format(old_obj.id), old_obj.random_key, 'maps')
if os.path.exists(server_maps_path):
maps = [_file for _file in os.listdir(server_maps_path) if os.path.splitext(_file)[1].lower() == '.map']
for _map in maps:
new_server_maps_path = os.path.join(MEDIA_ROOT, 'mods', self.mod.title, 'servers', self.owner.username, '{0}'.format(self.id), self.random_key, 'maps')
if not os.path.exists(new_server_maps_path):
os.makedirs(new_server_maps_path)
copyfile(os.path.join(server_maps_path, _map), os.path.join(new_server_maps_path, _map))
rmtree(os.path.join(MEDIA_ROOT, 'mods', old_obj.mod.title, 'servers', old_obj.owner.username))
# copy default mod maps
maps_path = os.path.join(MEDIA_ROOT, 'mods', self.mod.title, 'data', 'maps')
if os.path.exists(maps_path):
maps = [_file for _file in os.listdir(maps_path) if os.path.splitext(_file)[1].lower() == '.map']
for _map in maps:
map_obj = Map.objects.filter(server=self, name=os.path.splitext(_map)[0])
if not map_obj:
map_obj = Map(server=self, name=os.path.splitext(_map)[0])
map_obj.save()
server_maps_path = os.path.join(MEDIA_ROOT, 'mods', self.mod.title, 'servers', self.owner.username, '{0}'.format(self.id), self.random_key, 'maps')
if not os.path.exists(server_maps_path):
os.makedirs(server_maps_path)
copyfile(os.path.join(maps_path, _map), os.path.join(server_maps_path, _map))
def save(self, *args, **kwargs):
self.description_html = markdown(escape(self.description))
super(Server, self).save(*args, **kwargs)
def delete(self):
self.set_offline()
path = os.path.join(MEDIA_ROOT, 'mods', self.mod.title, 'servers', self.owner.username)
if os.path.exists(path):
rmtree(path)
super(Server, self).delete()
class Config(models.Model):
server = models.ForeignKey(Server, related_name='config_%(class)ss')
command = models.CharField(max_length=100)
class Meta:
abstract = True
class Option(Config):
value = models.CharField(blank=True, max_length=500)
WIDGET_TEXT = 1
WIDGET_TEXTAREA = 2
WIDGET_PASSWORD = 3
WIDGET_CHECKBOX = 4
WIDGET_SELECT = 5
WIDGET_CHOICES = (
(WIDGET_TEXT, 'text'),
(WIDGET_TEXTAREA, 'textarea'),
(WIDGET_PASSWORD, 'password'),
(WIDGET_CHECKBOX, 'checkbox'),
(WIDGET_SELECT, 'select'),
)
widget = models.IntegerField(choices=WIDGET_CHOICES, default=WIDGET_TEXT)
def selections(self):
if self.widget == Option.WIDGET_SELECT:
return self.value.split(',')[1:]
return None
def get_value(self):
if self.widget == Option.WIDGET_SELECT:
return self.value.split(',')[0]
return self.value
class Meta:
ordering = ['id']
def __unicode__(self):
return str(self.command)
class Tune(Config):
value = models.FloatField()
class Meta:
ordering = ['id']
def __unicode__(self):
return str(self.command)
class Vote(Config):
title = models.CharField(max_length=100)
class Meta:
ordering = ['id']
def __unicode__(self):
return str(self.command)
class RconCommand(Config):
value = models.CharField(blank=True, max_length=500)
class Meta:
ordering = ['id']
def __unicode__(self):
return str(self.command)
class AvailableRconCommand(models.Model):
server = models.ForeignKey(Server, related_name='config_available_rconcommands')
command = command = models.CharField(max_length=100)
class Meta:
ordering = ['id']
def __unicode__(self):
return str(self.command)
class Map(models.Model):
server = models.ForeignKey(Server, related_name="maps")
name = models.CharField(max_length=100)
author = models.CharField(max_length=100, blank=True)
info = models.CharField(max_length=300, blank=True)
download_count = models.IntegerField(default=0)
class Meta:
ordering = ['name']
def get_download_url(self):
path = os.path.join(MEDIA_ROOT, 'mods', self.server.mod.title, 'servers', self.server.owner.username, '{0}'.format(self.server.id), self.server.random_key, 'maps')
if os.path.exists(path):
for _file in os.listdir(path):
if os.path.splitext(_file)[0] == self.name and os.path.splitext(_file)[1].lower() == '.map':
return os.path.join(path, _file)
return None
def delete(self):
path = self.get_download_url()
if path:
os.remove(path)
super(Map, self).delete()