#!/usr/bin/python3
+#
+# Hippotat - Asinine IP Over HTTP program
+# ./hippotatd - server main program
+#
+# Copyright 2017 Ian Jackson
+#
+# AGPLv3+ + CAFv2+
+#
+# This program is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Affero General Public
+# License as published by the Free Software Foundation, either
+# version 3 of the License, or (at your option) any later version,
+# with the "CAF Login Exception" as published by Ian Jackson
+# (version 2, or at your option any later version) as an Additional
+# Permission.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License and the CAF Login Exception along with this program, in
+# the file AGPLv3+CAFv2. If not, email Ian Jackson
+# <ijackson@chiark.greenend.org.uk>.
+
from hippotatlib import *
import os
+import tempfile
+import atexit
+import shutil
import twisted.internet
from twisted.web.server import NOT_DONE_YET
+import twisted.web.static
+
+import hippotatlib.ownsource
+from hippotatlib.ownsource import SourceShipmentPreparer
+
#import twisted.web.server import Site
#from twisted.web.resource import Resource
import syslog
+cleanups = [ ]
+
clients = { }
#---------- "router" ----------
pass
log_debug(DBG.HTTP, msg + repr(desca), **kwargs)
-class IphttpResource(twisted.web.resource.Resource):
- isLeaf = True
+class NotStupidResource(twisted.web.resource.Resource):
+ # why this is not the default is a mystery!
+ def getChild(self, name, request):
+ if name == b'': return self
+ else: return twisted.web.resource.Resource.getChild(name, request)
+
+class IphttpResource(NotStupidResource):
def render_POST(self, request):
log_debug(DBG.HTTP_FULL,
'req recv: ' + repr(request) + ' ' + repr(request.args),
log_debug(DBG.HTTP_CTRL, '...', idof=id(request))
return NOT_DONE_YET
+ # instantiator should set
+ # self.hippotat_sources = (source_names[0], source_names[1])
+ def __init__(self):
+ self.hippotat_sources = [None, None]
+ super().__init__()
+
def render_GET(self, request):
log_debug(DBG.HTTP, 'GET request')
- return b'<html><body>hippotat</body></html>'
+ return ('''
+<html><body>
+hippotat
+<p>
+<a href="%s">source</a>
+(and that of dependency <a href="%s">packages</a>)
+available
+</body></html>
+'''
+ % tuple(self.hippotat_sources)).encode('utf-8')
def start_http():
resource = IphttpResource()
site = twisted.web.server.Site(resource)
+
for sa in c.saddrs:
ep = sa.make_endpoint()
crash_on_defer(ep.listen(site))
log_debug(DBG.INIT, 'listening on %s' % sa)
+ td = tempfile.mkdtemp()
+
+ def cleanup():
+ try: shutil.rmtree(td)
+ except FileNotFoundError: pass
+
+ cleanups.append(cleanup)
+
+ ssp = SourceShipmentPreparer(td)
+ ssp.logger = partial(log_debug, DBG.OWNSOURCE)
+ if DBG.OWNSOURCE in debug_set: ssp.stream_debug = sys.stdout
+ ssp.generate()
+
+ for ix in (0,1):
+ bn = ssp.output_names[ix]
+ op = ssp.output_paths[ix]
+ resource.hippotat_sources[ix] = bn
+ subresource =twisted.web.static.File(op)
+ resource.putChild(bn.encode('utf-8'), subresource)
+
+ reactor.callLater(0.1, (lambda: log.info('hippotatd started', dflag=False)))
+
#---------- config and setup ----------
-
-def process_cfg(putative_servers, putative_clients):
+
+def process_cfg(_opts, putative_servers, putative_clients):
+ global opts
+ opts = _opts
+
global c
c = ConfigResults()
c.server = cfg.get('SERVER','server')
('peer', 'vrelay'),
('rnets','vnetwork')))
+def catch_termination():
+ def run_cleanups():
+ for cleanup in cleanups:
+ cleanup()
+
+ atexit.register(run_cleanups)
+
+ def signal_handler(name, sig, *args):
+ signal.signal(sig, signal.SIG_DFL)
+ print('exiting due to %s' % name, file=sys.stderr)
+ run_cleanups()
+ os.kill(os.getpid(), sig)
+ raise RuntimeError('did not die due to signal %s !' % name)
+
+ for sig in (signal.SIGINT, signal.SIGTERM):
+ signal.signal(sig, partial(signal_handler, sig.name))
+
common_startup(process_cfg)
+catch_termination()
ipif = start_ipif(c.ipif_command, (lambda p,s,d: route(p,"[ipif]",s,d)))
start_http()
common_run()