From 0f6910902f7cd39837d93616ca6f9c7a8e7a8650 Mon Sep 17 00:00:00 2001
From: "David E. Eisenstat" <deisenst@cs.princeton.edu>
Date: Wed, 1 Nov 2006 22:39:53 +0000
Subject: [PATCH] TICKETS!!!

---
 api.py | 17 +++++++++++++++--
 sm.py  | 17 +++++++++++++++--
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/api.py b/api.py
index 567d10b..6484f48 100644
--- a/api.py
+++ b/api.py
@@ -21,12 +21,14 @@ import xmlrpclib
 import accounts
 import database
 import logger
+import ticket
 import tools
 
 
 API_SERVER_PORT = 812
 UNIX_ADDR = '/tmp/sliver_mgr.api'
 
+deliver_ticket = None  # set in sm.py:start()
 
 api_method_dict = {}
 nargs_dict = {}
@@ -44,6 +46,17 @@ def Help():
     """Help(): get help"""
     return ''.join([method.__doc__ + '\n' for method in api_method_dict.itervalues()])
 
+@export_to_api(1)
+def Ticket(tkt):
+    """Ticket(tkt): deliver a ticket"""
+    succeeded = False
+    if type(tkt) == str:
+        data = ticket.verify(tkt)
+        if data != None:
+            deliver_ticket(data)
+            succeeded = True
+    if not succeeded: raise xmlrpclib.Fault(102, 'Invalid argument: the sole argument must be a valid ticket as returned from GetTicket().')
+
 @export_to_api(1)
 def Create(rec):
     """Create(sliver_name): create a non-PLC-instantiated sliver"""
@@ -116,13 +129,13 @@ class APIRequestHandler(SimpleXMLRPCServer.SimpleXMLRPCRequestHandler):
             ucred = self.request.getsockopt(socket.SOL_SOCKET, SO_PEERCRED, sizeof_struct_ucred)
             xid = struct.unpack('3i', ucred)[2]
             caller_name = pwd.getpwuid(xid)[0]
-            if expected_nargs >= 1:
+            if method_name not in ('Help', 'Ticket'):
                 target_name = args[0]
                 target_rec = database.db.get(target_name)
                 if not (target_rec and target_rec['type'].startswith('sliver.')): raise xmlrpclib.Fault(102, 'Invalid argument: the first argument must be a sliver name.')
                 if not (caller_name in (args[0], 'root') or (caller_name, method_name) in target_rec['delegations']): raise xmlrpclib.Fault(108, 'Permission denied.')
                 result = method(target_rec, *args[1:])
-            else: result = method()
+            else: result = method(*args)
             if result == None: result = 1
             return result
 
diff --git a/sm.py b/sm.py
index 79403ca..a289ea8 100644
--- a/sm.py
+++ b/sm.py
@@ -13,6 +13,7 @@ import accounts
 import api
 import database
 import delegate
+import logger
 import sliver_vs
 
 
@@ -22,9 +23,18 @@ start_requested = False  # set to True in order to request that all slivers be s
 
 
 @database.synchronized
-def GetSlivers_callback(data):
+def GetSlivers_callback(data, fullupdate=True):
     """This function has two purposes.  One, convert GetSlivers() data into a more convenient format.  Two, even if no updates are coming in, use the GetSlivers() heartbeat as a cue to scan for expired slivers."""
+
+    node_id = None
+    try:
+        f = open('/etc/planetlab/node_id')
+        try: node_id = int(f.read())
+        finally: f.close()
+    except: logger.log_exc()
+
     for d in data:
+        if d['node_id'] != node_id: continue
         for sliver in d['slivers']:
             rec = sliver.copy()
             rec.setdefault('timestamp', d['timestamp'])
@@ -49,7 +59,7 @@ def GetSlivers_callback(data):
                 except (KeyError, ValueError): amt = default_amt
                 rspec[resname] = amt
             database.db.deliver_record(rec)
-        database.db.set_min_timestamp(d['timestamp'])
+        if fullupdate: database.db.set_min_timestamp(d['timestamp'])
     database.db.sync()
 
     # handle requested startup
@@ -61,6 +71,8 @@ def GetSlivers_callback(data):
             accounts.get(name).start(delay=cumulative_delay)
             cumulative_delay += 3
 
+def deliver_ticket(data): return GetSlivers_callback(data, fullupdate=False)
+
 
 def start(options):
     accounts.register_class(sliver_vs.Sliver_VS)
@@ -68,4 +80,5 @@ def start(options):
     global start_requested
     start_requested = options.startup
     database.start()
+    api.deliver_ticket = deliver_ticket
     api.start()
-- 
2.43.0