args= ['py','-u','ChatServer.py','6001'] server_errors= open( 'server-errors.txt', 'w' ) server= subprocess.Popen( args, stderr= server_errors ) time.sleep( 1 ) shell_command= 'py input-writer.py 0 2 client1-msg.txt | py -u ChatClient.py 6001 >client1-recvd.txt 2>client1-errors.txt &' os.system( shell_command ) shell_command= 'py input-writer.py 1 2 client2-msg.txt | py -u ChatClient.py 6001 >client2-recvd.txt 2>client2-errors.txt' os.system( shell_command ) print( 'execution completed; grading...' ) found= withinFile.searchText( 'client1-recvd-single-ref.txt', 'client1-recvd.txt' ) if found: points+= 1 found= withinFile.searchText( 'client2-recvd-single-ref.txt', 'client2-recvd.txt' ) if found: points+= 1 server.kill() try: server_errors.close() except Exception: pass print( 'Executing 2 clients with multiple messages...' )
args = ['java', 'ChatServer', '6001']
server_errors = open('server-errors.txt', 'w')
server = subprocess.Popen(args, stderr=server_errors)
time.sleep(1)
shell_command = 'py input-writer.py 0 2 client1-msg.txt | java ChatClient 6001 >client1-recvd.txt 2>client1-errors.txt &'
os.system(shell_command)
shell_command = 'py input-writer.py 1 2 client2-msg.txt | java ChatClient 6001 >client2-recvd.txt 2>client2-errors.txt'
os.system(shell_command)
print('execution completed; grading...')
found = withinFile.searchText('client1-recvd-single-ref.txt',
'client1-recvd.txt')
if found:
points += 1
else:
print('client1 did not receive message')
found = withinFile.searchText('client2-recvd-single-ref.txt',
'client2-recvd.txt')
if found:
points += 1
else:
print('client2 did not receive message')
print('Points so far: ' + str(points) + '/2')
server.kill()
shell_command= 'cd client; rm Ameca_splendens.jpg' os.system( shell_command ) print( 'Executing server and client with a single message...' ) shell_command= 'cd server; py ../input-writer.py 2 2 server-msg.txt 2>errors.txt | py -u ../messenger_with_files.py -l 6001 >server-recvd.txt &' os.system( shell_command ) time.sleep( 1 ) shell_command= 'cd client; py ../input-writer.py 0 2 client-msg.txt 2>errors.txt | py -u ../messenger_with_files.py -l 6002 -p 6001 >client-recvd.txt' os.system( shell_command ) print( 'execution completed; grading...' ) found= withinFile.searchText( 'client/client-recvd-single-ref.txt', 'client/client-recvd.txt' ) if found: points+= 1 found= withinFile.searchText( 'server/server-recvd-single-ref.txt', 'server/server-recvd.txt' ) if found: points+= 1 print( 'Executing server and client with multiple messages...' ) shell_command= 'cd server; py ../input-writer.py 2 2 server-msgs.txt 2>>errors.txt | py -u ../messenger_with_files.py -l 6001 >server-recvd.txt &' os.system( shell_command ) time.sleep( 1 ) shell_command= 'cd client; py ../input-writer.py 0 2 client-msgs.txt 2>>errors.txt | py -u ../messenger_with_files.py -l 6002 -p 6001 >client-recvd.txt'
sys.exit()
# create the input for the pipe
args = ['py', '-u', 'input-writer.py', '2', '1', 'input1.txt']
input_writer = subprocess.Popen(args, stdout=subprocess.PIPE)
# start the program
args = ['java', program_name]
output_text = open('output.txt', 'w')
input_program = subprocess.Popen(args,
stdin=input_writer.stdout,
stdout=output_text)
# check whether output was written immediately
time.sleep(3)
found = withinFile.searchText('input1.txt', 'output.txt')
if not found:
print('output must be written immediately; your program must be revised')
sys.exit()
# wait until the input pipe closes; then, check whether the process terminated
try:
input_program.wait(2)
if input_program.returncode != 0:
print(program_name + ' returned: ' + str(input_program.returncode) +
'; your program must be revised')
sys.exit()
except subprocess.TimeoutExpired:
print(
program_name +
' has not exited within the expected timeframe; your program must be revised'
shell_command = 'cd client1; py ../input-writer-cmds-chat.py 0 3 5 client1-msgs.txt 2>errors.txt | py -u ../ChatClient.py -l 6002 -p 6001 >client1-recvd.txt 2>>client1-errors.txt &'
os.system(shell_command)
shell_command = 'cd client2; py ../input-writer-cmds-chat.py 1 3 4 client2-msgs.txt 2>errors.txt | py -u ../ChatClient.py -l 6003 -p 6001 >client2-recvd.txt 2>>client2-errors.txt &'
os.system(shell_command)
shell_command = 'cd client3; py ../input-writer-cmds-chat.py 2 3 3 client3-msgs.txt 2>errors.txt | py -u ../ChatClient.py -l 6004 -p 6001 >client3-recvd.txt 2>>client3-errors.txt'
os.system(shell_command)
print('execution completed; grading...')
subpoints = 0
found = withinFile.searchText(
'client1/client1-recvd-from-client2-multiple-ref.txt',
'client1/client1-recvd.txt')
if found:
subpoints += 1
else:
print('client1 did not recieve messages from client2')
found = withinFile.searchText(
'client1/client1-recvd-from-client3-multiple-ref.txt',
'client1/client1-recvd.txt')
if found:
subpoints += 1
else:
print('client1 did not recieve messages from client3')
found = withinFile.searchText(
args= ['py','-u', client_program_name, '6001' ] client1_output_text= open( 'client1-recvd.txt', 'w' ) client1= subprocess.Popen( args, stdin= client1_input_writer.stdout, stdout=client1_output_text) # create the input for the pipe to client2 args= ['py','-u','input-writer.py','1', '1', 'client2-msgs-test.txt'] # CHANGE: changed initial delay from 0 to 1 client2_input_writer= subprocess.Popen( args, stdout=subprocess.PIPE) # start the client program as client2 args= ['py','-u', client_program_name, '6001' ] client2_output_text= open( 'client2-recvd.txt', 'w' ) client2= subprocess.Popen( args, stdin= client2_input_writer.stdout, stdout=client2_output_text) # check whether messages were transferred immediately from client2 to client1 time.sleep( 4 ) # CHANGE: changed from 3 to 4 found= withinFile.searchText( 'client1-recvd-multiple-test.txt', 'client1-recvd.txt' ) if not found: print( 'messages must be transferred immediately; your program must be revised' ) client1.kill() client2.kill() server.kill() try: server_errors.close() except Exception: pass sys.exit() # wait until the input pipe for client2 closes; then, check whether the process terminated try: client2.wait( 3 ) # CHANGE: changed from 0 to 3 if client2.returncode != 0:
args= ['py','-u', program_name, '-l', '6001' ] server_output_text= open( 'server-recvd.txt', 'w' ) server_messenger= subprocess.Popen( args, stdin= server_input_writer.stdout, stdout=server_output_text) # create the input for the pipe to the client args= ['py','-u','input-writer.py','0', '1', 'client-msgs.txt'] client_input_writer= subprocess.Popen( args, stdout=subprocess.PIPE) # start the program as a client args= ['py','-u', program_name, '6001' ] client_output_text= open( 'client-recvd.txt', 'w' ) client_messenger= subprocess.Popen( args, stdin= client_input_writer.stdout, stdout=client_output_text) # check whether messages were transferred immediately from client to server time.sleep( 4 ) found= withinFile.searchText( 'client-msgs.txt', 'server-recvd.txt' ) if not found: print( 'messages from client to server must be transferred immediately; your program must be revised' ) server_messenger.kill() client_messenger.kill() sys.exit() # wait until the server input pipe closes; then, check whether the server process terminated try: server_messenger.wait( 2 ) if server_messenger.returncode != 0: print( 'server ' + program_name + ' returned: ' + str(server_messenger.returncode) + '; your program must be revised' ) client_messenger.kill() sys.exit() except subprocess.TimeoutExpired: print( 'non-sending server ' + program_name + ' has not exited within the expected timeframe; your program must be revised' )