]> git.rkrishnan.org Git - tahoe-lafs/tahoe-lafs.git/blob - src/allmydata/web/introweb.py
add a webserver for the Introducer, showing service announcements and subscriber...
[tahoe-lafs/tahoe-lafs.git] / src / allmydata / web / introweb.py
1
2 from nevow import rend
3 from foolscap.referenceable import SturdyRef
4 from twisted.internet import address
5 import allmydata
6 from allmydata import get_package_versions_string
7 from allmydata.util import idlib
8 from common import getxmlfile, IClient
9
10 class IntroducerRoot(rend.Page):
11
12     addSlash = True
13     docFactory = getxmlfile("introducer.xhtml")
14
15     def data_version(self, ctx, data):
16         return get_package_versions_string()
17     def data_import_path(self, ctx, data):
18         return str(allmydata)
19     def data_my_nodeid(self, ctx, data):
20         return idlib.nodeid_b2a(IClient(ctx).nodeid)
21
22     def data_known_storage_servers(self, ctx, data):
23         i = IClient(ctx).getServiceNamed("introducer")
24         storage = [1
25                    for (furl, service_name, ri_name, nickname, ver, oldest)
26                    in i.get_announcements()
27                    if service_name == "storage"]
28         return len(storage)
29
30     def data_num_clients(self, ctx, data):
31         i = IClient(ctx).getServiceNamed("introducer")
32         num_clients = 0
33         subscribers = i.get_subscribers()
34         for service_name,who in subscribers.items():
35             num_clients += len(who)
36         return num_clients
37
38     def data_services(self, ctx, data):
39         i = IClient(ctx).getServiceNamed("introducer")
40         ann = list(i.get_announcements())
41         ann.sort(lambda a,b: cmp( (a[1], a), (b[1], b) ) )
42         return ann
43
44     def render_service_row(self, ctx, announcement):
45         (furl, service_name, ri_name, nickname, ver, oldest) = announcement
46         sr = SturdyRef(furl)
47         nodeid = sr.tubID
48         advertised = [loc.split(":")[0] for loc in sr.locationHints]
49         ctx.fillSlots("peerid", "%s %s" % (idlib.nodeid_b2a(nodeid), nickname))
50         ctx.fillSlots("advertised", " ".join(advertised))
51         ctx.fillSlots("connected", "?")
52         ctx.fillSlots("since", "?")
53         ctx.fillSlots("announced", "?")
54         ctx.fillSlots("version", ver)
55         ctx.fillSlots("service_name", service_name)
56         return ctx.tag
57
58     def data_subscribers(self, ctx, data):
59         i = IClient(ctx).getServiceNamed("introducer")
60         s = []
61         for service_name, subscribers in i.get_subscribers().items():
62             for rref in subscribers:
63                 s.append( (service_name, rref) )
64         s.sort()
65         return s
66
67     def render_subscriber_row(self, ctx, s):
68         (service_name, rref) = s
69         sr = rref.getSturdyRef()
70         nodeid = sr.tubID
71         ctx.fillSlots("peerid", "%s" % idlib.nodeid_b2a(nodeid))
72         advertised = [loc.split(":")[0] for loc in sr.locationHints]
73         ctx.fillSlots("advertised", " ".join(advertised))
74         remote_host = rref.tracker.broker.transport.getPeer()
75         if isinstance(remote_host, address.IPv4Address):
76             remote_host_s = "%s:%d" % (remote_host.host, remote_host.port)
77         else:
78             # loopback is a non-IPv4Address
79             remote_host_s = str(remote_host)
80         ctx.fillSlots("connected", remote_host_s)
81         ctx.fillSlots("since", "?")
82         ctx.fillSlots("service_name", service_name)
83         return ctx.tag
84
85