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old 2.1 release restoration
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@gekigek99
gekigek99 authored Mar 20, 2020
1 parent fcf0bf0 commit 9c3f73e
Showing 1 changed file with 18 additions and 14 deletions.
32 changes: 18 additions & 14 deletions minecraft-vanilla-server-hibernation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

'''
minecraft-vanilla_server_hibernation.py
version 2.0
version 2.1
'''

import socket
Expand All @@ -13,20 +13,24 @@

#------------------------modify-------------------------------#

START_MINECRAFT_SERVER = 'sudo systemctl start minecraft-server' #set command to start minecraft-server service
STOP_MINECRAFT_SERVER = 'sudo systemctl stop minecraft-server' #set command to stop minecraft-server service
START_MINECRAFT_SERVER = 'screen -dmS minecraftSERVER nice -19 java -jar minecraft_server.jar' #set command to start minecraft-server service
STOP_MINECRAFT_SERVER = "screen -S minecraftSERVER -X stuff 'stop\\n'" #set command to stop minecraft-server service

LISTEN_HOST = "0.0.0.0"
LISTEN_PORT = 25555 #the port you will connect to on minecraft client
LISTEN_PORT = 25565 #the port you will connect to on minecraft client

TARGET_HOST = "127.0.0.1"
TARGET_PORT = 25565 #the port specified on server.properties
TARGET_PORT = 25555 #the port specified on server.properties

MINECRAFT_SERVER_STARTUPTIME = 120 # time the server needs until it is fully started

TIME_BEFORE_STOPPING_EMPTY_SERVER = 20

#-----------------------advanced------------------------------#

WRITE_LOG = False #for debug

TIMEOUT_SOCKET = 60 #after which it is raised socket.timeout exception (to prevent the case in which someone clicks the first time
TIMEOUT_SOCKET = 240 #after which it is raised socket.timeout exception (to prevent the case in which someone clicks the first time
#to start up to server and then doesn't click a second time to enter the world)

#---------------------do not modify---------------------------#
Expand Down Expand Up @@ -78,15 +82,16 @@ def server(*settings):
print (str(players) + ' players')

except socket.timeout: #after the set socket.settimeout the program checks if there are no players, if so it send a stop minecraft-server service to make sure the server is down
print('connessione scaduta...')
print('connection timeout')
time.sleep(TIME_BEFORE_STOPPING_EMPTY_SERVER)
if players <= 0:
print('no players on server and connection timed out...')
print('ISSUING STOP COMMAND TO MINECRAFT-SERVER!')
os.system(STOP_MINECRAFT_SERVER)
print('STOP COMMAND TO MINECRAFT-SERVER ISSUED ---> MINECRAFT SERVER IS DOWN!')
firstlaunch = True
if restart_flag == True:
print('restarting ' + str(os.path.basename(__file__)) + '...') #after a player exit the game restart_flag is set to true because there is the possibility
print('restarting ' + str(os.path.basename(__file__)) + '...') #after all player exit the game restart_flag is set to true because there is the possibility
os.execl(str(os.path.basename(__file__)), 'python3') #that the player has lost connection and that 1 thread is not closed successfully
#(remember: for each player there are 2 threads, 1 server-->client and 1 client-->server)
#the restart commands is used to avoid build-up of non-useful threads in the case
Expand All @@ -96,9 +101,9 @@ def server(*settings):
print('errno_111 && firstlaunch == True ---> FIRST SERVER CONNECTION')
print ('starting minecraft-server service')
os.system(START_MINECRAFT_SERVER)
print('loading world, wait 12 seconds...')
print('loading world, wait '+str(MINECRAFT_SERVER_STARTUPTIME)+' seconds...')
players = 0
time.sleep(12) #needed for launching minecraft-server, it can vary on how fast is your server, and probably 2 or 3 seconds is enough (but higher number prevents a player from entering when the server is still loading the world)
time.sleep(MINECRAFT_SERVER_STARTUPTIME) #needed for launching minecraft-server, it can vary on how fast is your server, and probably 2 or 3 seconds is enough (but higher number prevents a player from entering when the server is still loading the world)
print ('MINECRAFT SERVER IS UP!')
firstlaunch = False
elif e.errno == 111 and firstlaunch == False: #if the stop minecraft-server command has just been issued and if this script is not fast enough to bind again the socket there could be some errors, this IF prevents them
Expand All @@ -120,18 +125,16 @@ def forward(source, destination, description): #this thread is the
data = ' ' #so that it is possible to enter the while loop
while data:
data = source.recv(1024)

nowtime = time.time()
#print('{}: {}'.format(description, data.decode('ascii', 'replace'))) #commented out because it's non useful and just resource consuming on terminal
if WRITE_LOG == True:
f.write(str(nowtime) + '>' + str(description) + data.decode('ascii', 'replace') + '\n' )

if data:
destination.sendall(data)

datacountbytes += len(data) #to calculate the quantity of data per second
if nowtime >= nexttime:
print('{:.3f}KB/s'.format(datacountbytes/1024))
if WRITE_LOG == True:
print('{:.3f}KB/s'.format(datacountbytes/1024))
datacountbytes = 0
nexttime = nowtime + 1
else: #if there is no data close the socket and declare that a player has left the server
Expand All @@ -145,6 +148,7 @@ def forward(source, destination, description): #this thread is the
if WRITE_LOG == True:
f.write('A PLAYER LEFT THE SERVER\n')
print (str(players) + ' players')
time.sleep(TIME_BEFORE_STOPPING_EMPTY_SERVER)
if players <= 0:
print('ISSUING STOP COMMAND TO MINECRAFT-SERVER!')
os.system(STOP_MINECRAFT_SERVER) #stops minecraft-server service if there ar no players
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