# HG changeset patch
# User igor
# Date 1190379664 -10800
# Node ID 6bb2a29e91bef3eeb5aebb7a0fe3869f136a7de3
# Parent  c4a092e32ee114d43fb3be0051e3011eb618b3e9
interfaces connection and disconnection

diff -r c4a092e32ee1 -r 6bb2a29e91be xentaur.py
--- a/xentaur.py	Fri Sep 21 13:16:28 2007 +0300
+++ b/xentaur.py	Fri Sep 21 16:01:04 2007 +0300
@@ -25,6 +25,12 @@
     #run(cmds[0],*cmds[1:])
     run("/bin/sh", "-c", line)
 
+def run_command_return_stdout(line):
+    p = os.popen(line)
+    output = p.read()
+    p.close()
+    return output
+
 def create_bridges_script():
     unbound_bridges=bridges
     create_unbound_bridges="\n".join(map(lambda x: "sudo /usr/sbin/brctl show | awk '{print $1}' | grep -q "+x+" || sudo /usr/sbin/brctl addbr "+x, unbound_bridges))
@@ -175,6 +181,12 @@
     xentaur {start|stop|start-bridges|start-domains|stop-domains|screen|graph}
 """
 
+#-----------------------------------------------------------------------
+# DOMAINS
+
+def get_domain_id(domain):
+    return run_command_return_stdout("sudo xm list | awk '{if ($1 == \"'%s'\") print $2}'" % domain).rstrip("\n")
+
 
 #-----------------------------------------------------------------------
 # BRIDGES and IFACES
@@ -197,6 +209,34 @@
     """
     run_command("sudo ip link show %s" % bridge)
 
+
+def int_disconnect(domain, int_number):
+    """
+    Disconnect the interface with the number <int_number>
+    of the domain <domain> from the bridge to which
+    it is connected
+    """
+    dom_id=get_domain_id(domain)
+    bridge=vbridges_table[domain][int_number]
+    if not bridge:
+        print "Interface %s of the %s domain is not connected" % (int_number, domain)
+        return 1
+    run_command("sudo brctl delif %s vif%s.%s" % (bridge, dom_id, int_number))
+    vbridges_table[domain][int_number]=''
+
+def int_connect(domain, int_number, bridge):
+    """
+    Connect the interface with the number <int_number>
+    of the domain <domain> the the bridge <bridge>
+    """
+    dom_id=get_domain_id(domain)
+    
+    if vbridges_table[domain][int_number]:
+        print "Interface %s of the %s domain is connected already to the %s bridge" % (int_number, domain, vbridges_table[domain][int_number])
+        return 1
+    run_command("sudo brctl addif %s vif%s.%s" % (bridge, dom_id, int_number))
+    vbridges_table[domain][int_number]=bridge
+
 #-----------------------------------------------------------------------