fix pip install failure && client.py and server.py dont throw exception after Ctrl^C

emulation/client1.startup

@@ -7,4 +7,4 @@ ip route add 0.0.0.0/0 via 10.1.0.2
 # install python
 apt-get update && apt-get --assume-yes install python3 python3-pip
 
-pip-3.2 install netifaces
+pip-3.2 install --index-url=https://pypi.python.org/simple/ netifaces

emulation/client1/root/client.py

@@ -2,7 +2,16 @@ import socket
 import struct
 import sys
 import netifaces
+import signal
+import sys
+
+is_running = True
+sock = None
 
+def exit(signal, frame):
+    is_running = False
+    sock.close()
+    sys.exit(0)
 
 def chooseInterface():
     interfaces = netifaces.interfaces()
@@ -25,6 +34,10 @@ def chooseInterface():
 if not hasattr(socket, 'SO_BINDTODEVICE'):
     socket.SO_BINDTODEVICE = 25
 
+signal.signal(signal.SIGINT, exit)
+signal.signal(signal.SIGTERM, exit)
+
+
 multicast_group = '224.12.12.12'
 server_address = ('', 10000)
 
@@ -50,7 +63,7 @@ sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP,
 
 
 # Receive/respond loop
-while True:
+while is_running:
     #print >>sys.stderr, '\nwaiting to receive message'
     data, address = sock.recvfrom(10240)
     print(data.decode("utf-8"))

emulation/client1/root/server.py

@@ -3,6 +3,16 @@ import struct
 import sys
 import netifaces
 import traceback
+import signal
+
+is_running = True
+sock = None
+
+def exit(signal, frame):
+    is_running = False
+    sock.close()
+    sys.exit(0)
+
 
 def chooseInterface():
     interfaces = netifaces.interfaces()
@@ -23,8 +33,9 @@ def chooseInterface():
         return inputValue
 
 
+signal.signal(signal.SIGINT, exit)
+signal.signal(signal.SIGTERM, exit)
 
-#message = 'very important data'
 multicast_group = ('224.12.12.12', 10000)
 
 # Create the datagram socket
@@ -42,11 +53,10 @@ ip_interface = netifaces.ifaddresses(interface_name)[netifaces.AF_INET][0]['addr
 sock.bind((ip_interface, 10000))
 try:
     # Look for responses from all recipients
-    while True:
+    while is_running:
         input_msg = input('msg --> ')
         try:
             sock.sendto(input_msg.encode("utf-8"), multicast_group)
-
         except:
             traceback.print_exc()
             continue

emulation/client2.startup

@@ -7,4 +7,4 @@ ip route add 0.0.0.0/0 via 10.0.2.3
 # install python
 apt-get update && apt-get --assume-yes install python3 python3-pip
 
-pip-3.2 install netifaces
+pip-3.2 install --index-url=https://pypi.python.org/simple/ netifaces

emulation/client2/root/client.py

@@ -2,7 +2,16 @@ import socket
 import struct
 import sys
 import netifaces
+import signal
+import sys
+
+is_running = True
+sock = None
 
+def exit(signal, frame):
+    is_running = False
+    sock.close()
+    sys.exit(0)
 
 def chooseInterface():
     interfaces = netifaces.interfaces()
@@ -25,6 +34,10 @@ def chooseInterface():
 if not hasattr(socket, 'SO_BINDTODEVICE'):
     socket.SO_BINDTODEVICE = 25
 
+signal.signal(signal.SIGINT, exit)
+signal.signal(signal.SIGTERM, exit)
+
+
 multicast_group = '224.12.12.12'
 server_address = ('', 10000)
 
@@ -50,7 +63,7 @@ sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP,
 
 
 # Receive/respond loop
-while True:
+while is_running:
     #print >>sys.stderr, '\nwaiting to receive message'
     data, address = sock.recvfrom(10240)
     print(data.decode("utf-8"))

emulation/client2/root/server.py

@@ -3,6 +3,16 @@ import struct
 import sys
 import netifaces
 import traceback
+import signal
+
+is_running = True
+sock = None
+
+def exit(signal, frame):
+    is_running = False
+    sock.close()
+    sys.exit(0)
+
 
 def chooseInterface():
     interfaces = netifaces.interfaces()
@@ -23,8 +33,9 @@ def chooseInterface():
         return inputValue
 
 
+signal.signal(signal.SIGINT, exit)
+signal.signal(signal.SIGTERM, exit)
 
-#message = 'very important data'
 multicast_group = ('224.12.12.12', 10000)
 
 # Create the datagram socket
@@ -42,11 +53,10 @@ ip_interface = netifaces.ifaddresses(interface_name)[netifaces.AF_INET][0]['addr
 sock.bind((ip_interface, 10000))
 try:
     # Look for responses from all recipients
-    while True:
+    while is_running:
         input_msg = input('msg --> ')
         try:
             sock.sendto(input_msg.encode("utf-8"), multicast_group)
-
         except:
             traceback.print_exc()
             continue

emulation/client3.startup

@@ -7,4 +7,4 @@ ip route add 0.0.0.0/0 via 10.0.3.4
 # install python
 apt-get update && apt-get --assume-yes install python3 python3-pip
 
-pip-3.2 install netifaces
+pip-3.2 install --index-url=https://pypi.python.org/simple/ netifaces

emulation/client3/root/client.py

@@ -2,7 +2,16 @@ import socket
 import struct
 import sys
 import netifaces
+import signal
+import sys
+
+is_running = True
+sock = None
 
+def exit(signal, frame):
+    is_running = False
+    sock.close()
+    sys.exit(0)
 
 def chooseInterface():
     interfaces = netifaces.interfaces()
@@ -25,6 +34,10 @@ def chooseInterface():
 if not hasattr(socket, 'SO_BINDTODEVICE'):
     socket.SO_BINDTODEVICE = 25
 
+signal.signal(signal.SIGINT, exit)
+signal.signal(signal.SIGTERM, exit)
+
+
 multicast_group = '224.12.12.12'
 server_address = ('', 10000)
 
@@ -50,7 +63,7 @@ sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP,
 
 
 # Receive/respond loop
-while True:
+while is_running:
     #print >>sys.stderr, '\nwaiting to receive message'
     data, address = sock.recvfrom(10240)
     print(data.decode("utf-8"))

emulation/client3/root/server.py

@@ -3,6 +3,16 @@ import struct
 import sys
 import netifaces
 import traceback
+import signal
+
+is_running = True
+sock = None
+
+def exit(signal, frame):
+    is_running = False
+    sock.close()
+    sys.exit(0)
+
 
 def chooseInterface():
     interfaces = netifaces.interfaces()
@@ -23,8 +33,9 @@ def chooseInterface():
         return inputValue
 
 
+signal.signal(signal.SIGINT, exit)
+signal.signal(signal.SIGTERM, exit)
 
-#message = 'very important data'
 multicast_group = ('224.12.12.12', 10000)
 
 # Create the datagram socket
@@ -42,11 +53,10 @@ ip_interface = netifaces.ifaddresses(interface_name)[netifaces.AF_INET][0]['addr
 sock.bind((ip_interface, 10000))
 try:
     # Look for responses from all recipients
-    while True:
+    while is_running:
         input_msg = input('msg --> ')
         try:
             sock.sendto(input_msg.encode("utf-8"), multicast_group)
-
         except:
             traceback.print_exc()
             continue

emulation/router1/root/script.sh

 rm -rf MulticastRouting/
 cp -rf /hosthome/Desktop/pim/ MulticastRouting/
 cd MulticastRouting
-pip-3.2 install -r requirements.txt
+pip-3.2 install --index-url=https://pypi.python.org/simple/ -r requirements.txt
 
 python3 Run.py -stop
 python3 Run.py -start

emulation/router2/root/script.sh

 rm -rf MulticastRouting/
 cp -rf /hosthome/Desktop/pim/ MulticastRouting/
 cd MulticastRouting
-pip-3.2 install -r requirements.txt
+pip-3.2 install --index-url=https://pypi.python.org/simple/ -r requirements.txt
 
 python3 Run.py -stop
 python3 Run.py -start

emulation/router3/root/script.sh

 rm -rf MulticastRouting/
 cp -rf /hosthome/Desktop/pim/ MulticastRouting/
 cd MulticastRouting
-pip-3.2 install -r requirements.txt
+pip-3.2 install --index-url=https://pypi.python.org/simple/ -r requirements.txt
 
 python3 Run.py -stop
 python3 Run.py -start

emulation/router4/root/script.sh

 rm -rf MulticastRouting/
 cp -rf /hosthome/Desktop/pim/ MulticastRouting/
 cd MulticastRouting
-pip-3.2 install -r requirements.txt
+pip-3.2 install --index-url=https://pypi.python.org/simple/ -r requirements.txt
 
 python3 Run.py -stop
 python3 Run.py -start