X-Git-Url: https://git.llucax.com/software/pymin.git/blobdiff_plain/0dcb923d42a7489756eddd83a13a3059d8a24b2a..dd0f8fb145c838049cfc8a551de5e68bd964cb4f:/pymin/services/ip/__init__.py?ds=inline

diff --git a/pymin/services/ip/__init__.py b/pymin/services/ip/__init__.py
index 9d256a2..1c0b646 100644
--- a/pymin/services/ip/__init__.py
+++ b/pymin/services/ip/__init__.py
@@ -8,7 +8,7 @@ from pymin.dispatcher import handler, HandlerError, Handler
 from pymin.services.util import Restorable, ConfigWriter, InitdHandler, \
                                 TransactionalHandler, SubHandler, call, \
                                 get_network_devices, ListComposedSubHandler, \
-                                DictComposedSubHandler
+                                DictComposedSubHandler, Device, Address, ExecutionError
 
 __ALL__ = ('IpHandler',)
 
@@ -105,16 +105,6 @@ class RouteHandler(ListComposedSubHandler):
     _comp_subhandler_attr = 'routes'
     _comp_subhandler_class = Route
 
-class Address(Sequence):
-    def __init__(self, ip, netmask, broadcast=None):
-        self.ip = ip
-        self.netmask = netmask
-        self.broadcast = broadcast
-    def update(self, netmask=None, broadcast=None):
-        if netmask is not None: self.netmask = netmask
-        if broadcast is not None: self.broadcast = broadcast
-    def as_tuple(self):
-        return (self.ip, self.netmask, self.broadcast)
 
 class AddressHandler(DictComposedSubHandler):
     handler_help = u"Manage IP addresses"
@@ -122,14 +112,6 @@ class AddressHandler(DictComposedSubHandler):
     _comp_subhandler_attr = 'addrs'
     _comp_subhandler_class = Address
 
-class Device(Sequence):
-    def __init__(self, name, mac):
-        self.name = name
-        self.mac = mac
-        self.addrs = dict()
-        self.routes = list()
-    def as_tuple(self):
-        return (self.name, self.mac)
 
 class DeviceHandler(SubHandler):
 
@@ -172,8 +154,7 @@ class IpHandler(Restorable, ConfigWriter, TransactionalHandler):
     _persistent_attrs = ('devices','hops')
 
     _restorable_defaults = dict(
-                            devices=dict((dev, Device(dev, mac))
-                                for (dev, mac) in get_network_devices().items()),
+                            devices=get_network_devices(),
                             hops = list()
                             )
 
@@ -192,24 +173,63 @@ class IpHandler(Restorable, ConfigWriter, TransactionalHandler):
         self.route = RouteHandler(self)
         self.dev = DeviceHandler(self)
         self.hop = HopHandler(self)
+		self.services = list()
 
     def _write_config(self):
         r"_write_config() -> None :: Execute all commands."
         for device in self.devices.values():
+            if device.active:
+                self._write_config_for_device(device)
+        self._write_hops()
+
+    def _write_hops(self):
+        r"_write_hops() -> None :: Execute all hops."
+        if self.hops:
+            try:
+                call('ip route del default', shell=True)
+            except ExecutionError, e:
+                print e
+            try:
+                #get hops for active devices
+                active_hops = dict()
+                for h in self.hops:
+                    if h.device in self.devices:
+                        if self.devices[h.device].active
+                            active_hops.append(h)
+                call(self._render_config('hop', dict(
+                    hops = active_hops,
+                        )
+                ), shell=True)
+            except ExecutionError, e:
+                print e
+
+    def _write_config_for_device(self, device):
+        r"_write_config_for_device(self, device) -> None :: Execute all commands for a device."
+        try:
             call(self._render_config('route_flush', dict(dev=device.name)), shell=True)
+        except ExecutionError, e:
+            print e
+        try:
             call(self._render_config('ip_flush', dict(dev=device.name)), shell=True)
-            for address in device.addrs.values():
-                broadcast = address.broadcast
-                if broadcast is None:
-                    broadcast = '+'
+        except ExecutionError, e:
+            print e
+        for address in device.addrs.values():
+            broadcast = address.broadcast
+            if broadcast is None:
+                broadcast = '+'
+            try:
                 call(self._render_config('ip_add', dict(
-                        dev = device.name,
-                        addr = address.ip,
-                        netmask = address.netmask,
-                        broadcast = broadcast,
+                    dev = device.name,
+                    addr = address.ip,
+                    netmask = address.netmask,
+                    peer = address.peer,
+                    broadcast = broadcast,
                     )
                 ), shell=True)
-            for route in device.routes:
+            except ExecutionError, e:
+                print e
+        for route in device.routes:
+            try:
                 call(self._render_config('route_add', dict(
                         dev = device.name,
                         net_addr = route.net_addr,
@@ -217,18 +237,56 @@ class IpHandler(Restorable, ConfigWriter, TransactionalHandler):
                         gateway = route.gateway,
                     )
                 ), shell=True)
+            except ExecutionError, e:
+                print e
+
+    def handle_timer(self):
+        self.refresh_devices()
+
+
+    def refresh_devices(self):
+        devices = get_network_devices()
+        #add not registered and active devices
+        go_active = False
+        for k,v in devices.items():
+            if k not in self.devices:
+                self.devices[k] = v
+            else if not self.devices[k].active
+                self.active = True
+                go_active = True
+                self._write_config_for_device(self.devices[k])
+        if go_active:
+            self._write_hops()
+			for s in services:
+				if s._running:
+					try:
+						s.stop()
+					except ExecutionError:
+						pass
+					try:
+						s.start()
+					except ExecutionError:
+						pass
+
+        #mark inactive devices
+        for k in self.devices.keys():
+            if k not in devices:
+                self.devices[k].active = False
+
+	#hooks a service to the ip handler, so when
+	#a device is brought up one can restart the service
+	#that need to refresh their device list
+	def device_up_hook(self, serv):
+		if hasattr(serv, 'stop') and hasattr(serv, 'start')
+			services.append(serv)
+
+
 
-        if self.hops:
-            call('ip route del default', shell=True)
-            call(self._render_config('hop', dict(
-                        hops = self.hops,
-                    )
-                 ), shell=True)
 
 
 if __name__ == '__main__':
 
-    ip = IpHandler()
+    ip = IpHanlder()
     print '----------------------'
     ip.hop.add('201.21.32.53','eth0')
     ip.hop.add('205.65.65.25','eth1')