Remove ReturnNot0Error, use subprocess.check_call instead.

[software/pymin.git] / pymin / services / util.py

diff --git a/pymin/services/util.py b/pymin/services/util.py
index 6e09148f864f471157a11de5bbf225945ffbce21..a7ec0e4dd906db025ca108421002cb0fb2d908b1 100644 (file)
--- a/pymin/services/util.py
+++ b/pymin/services/util.py
@@ -11,17 +11,18 @@ except ImportError:
 
 from pymin.dispatcher import Handler, handler, HandlerError, \
                                 CommandNotFoundError
+from pymin.seqtools import Sequence
 
 #DEBUG = False
 DEBUG = True
 
-__ALL__ = ('Error', 'ReturnNot0Error', 'ExecutionError', 'ItemError',
-            'ItemAlreadyExistsError', 'ItemNotFoundError', 'ContainerError',
-            'ContainerNotFoundError', 'call', 'get_network_devices',
-            'Persistent', 'Restorable', 'ConfigWriter', 'ServiceHandler',
-            'RestartHandler', 'ReloadHandler', 'InitdHandler', 'SubHandler',
-            'DictSubHandler', 'ListSubHandler', 'ComposedSubHandler',
-            'ListComposedSubHandler', 'DictComposedSubHandler')
+__ALL__ = ('Error', 'ExecutionError', 'ItemError', 'ItemAlreadyExistsError',
+           'ItemNotFoundError', 'ContainerError', 'ContainerNotFoundError',
+           'call', 'get_network_devices', 'Persistent', 'Restorable',
+           'ConfigWriter', 'ServiceHandler', 'RestartHandler',
+           'ReloadHandler', 'InitdHandler', 'SubHandler', 'DictSubHandler',
+           'ListSubHandler', 'ComposedSubHandler', 'ListComposedSubHandler',
+           'DictComposedSubHandler', 'Device','Address')
 
 class Error(HandlerError):
     r"""
@@ -34,22 +35,6 @@ class Error(HandlerError):
     """
     pass
 
-class ReturnNot0Error(Error):
-    r"""
-    ReturnNot0Error(return_value) -> ReturnNot0Error instance.
-
-    A command didn't returned the expected 0 return value.
-
-    return_value - Return value returned by the command.
-    """
-
-    def __init__(self, return_value):
-        r"Initialize the object. See class documentation for more info."
-        self.return_value = return_value
-
-    def __unicode__(self):
-        return 'The command returned %d' % self.return_value
-
 class ExecutionError(Error):
     r"""
     ExecutionError(command, error) -> ExecutionError instance.
@@ -152,6 +137,30 @@ class ContainerNotFoundError(ContainerError):
         r"Initialize the object. See class documentation for more info."
         self.message = u'Container not found: "%s"' % key
 
+class Address(Sequence):
+    def __init__(self, ip, netmask, broadcast=None, peer=None):
+        self.ip = ip
+        self.netmask = netmask
+        self.broadcast = broadcast
+        self.peer = peer
+    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, self.peer)
+
+
+class Device(Sequence):
+    def __init__(self, name, mac, ppp):
+        self.name = name
+        self.mac = mac
+        self.ppp = ppp
+        self.addrs = dict()
+        self.routes = list()
+    def as_tuple(self):
+        return (self.name, self.mac, self.addrs)
+
+
 
 def get_network_devices():
     p = subprocess.Popen(('ip', '-o', 'link'), stdout=subprocess.PIPE,
@@ -165,17 +174,38 @@ def get_network_devices():
         if dev.find('link/ether') != -1:
             i = dev.find('link/ether')
             mac = dev[i+11 : i+11+17]
-            i = dev.find(':',2)
-            name = dev[3: i]
-            d[name] = mac
+            i = dev.find(':')
+            j = dev.find(':', i+1)
+            name = dev[i+2: j]
+            d[name] = Device(name,mac,False)
         elif dev.find('link/ppp') != -1:
             i = dev.find('link/ppp')
             mac =  '00:00:00:00:00:00'
-            i = dev.find(':',2)
-            name = dev[3 : i]
-            d[name] = mac
+            i = dev.find(':')
+            j = dev.find(':', i+1)
+            name = dev[i+2 : j]
+            d[name] = Device(name,mac,True)
+            #since the device is ppp, get the address and peer
+            try:
+                p = subprocess.Popen(('ip', '-o', 'addr', 'show', name), stdout=subprocess.PIPE,
+                                                        close_fds=True, stderr=subprocess.PIPE)
+                string = p.stdout.read()
+                p.wait()
+                addrs = string.splitlines()
+                inet = addrs[1].find('inet')
+                peer = addrs[1].find('peer')
+                bar = addrs[1].find('/')
+                from_addr = addrs[1][inet+5 : peer-1]
+                to_addr = addrs[1][peer+5 : bar]
+                d[name].addrs[from_addr] = Address(from_addr,24, peer=to_addr)
+            except IndexError:
+                pass
     return d
 
+def get_peers():
+    p = subprocess.Popen(('ip', '-o', 'addr'), stdout=subprocess.PIPE,
+                                                    close_fds=True)
+
 def call(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
             stderr=subprocess.PIPE, close_fds=True, universal_newlines=True,
             **kw):
@@ -185,13 +215,12 @@ def call(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
         print 'Executing command:', command
         return
     try:
-        r = subprocess.call(command, stdin=stdin, stdout=stdout, stderr=stderr,
-                                universal_newlines=universal_newlines,
-                                close_fds=close_fds, **kw)
+        print 'Executing command:', command
+        r = subprocess.check_call(command, stdin=stdin, stdout=stdout,
+                    stderr=stderr, close_fds=close_fds,
+                    universal_newlines=universal_newlines, **kw)
     except Exception, e:
         raise ExecutionError(command, e)
-    if r is not 0:
-        raise ExecutionError(command, ReturnNot0Error(r))
 
 class Persistent:
     r"""Persistent([attrs[, dir[, ext]]]) -> Persistent.
@@ -591,6 +620,15 @@ class InitdHandler(ServiceHandler):
                                 action)
         ServiceHandler.__init__(self, **actions)
 
+    def handle_timer(self):
+        p = subprocess.Popen(('pgrep', '-f', self._initd_name),
+                                stdout=subprocess.PIPE)
+        pid = p.communicate()[0]
+        if p.returncode == 0 and len(pid) > 0:
+            self._service_running = True
+        else:
+            self._service_running = False
+
 class TransactionalHandler(Handler):
     r"""Handle command transactions providing a commit and rollback commands.
 
@@ -1039,6 +1077,8 @@ class DictComposedSubHandler(ComposedSubHandler):
 
 if __name__ == '__main__':
 
+    import sys
+
     # Execution tests
     class STestHandler1(ServiceHandler):
         _service_start = ('service', 'start')
@@ -1141,3 +1181,5 @@ if __name__ == '__main__':
     os.rmdir('templates')
     print
 
+    print get_network_devices()
+