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offloaded: create a Helper if 'run_helper' is non-empty

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Brian Warner
2008-01-09 20:25:05 -07:00
parent 0e2ddb00be
commit 2ad84eeed8
2 changed files with 84 additions and 1 deletions
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17
src/allmydata/client.py
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@ -14,6 +14,7 @@ from allmydata.storage import StorageServer
from allmydata.upload import Uploader
from allmydata.download import Downloader
from allmydata.checker import Checker
from allmydata.offloaded import Helper
from allmydata.control import ControlServer
from allmydata.introducer import IntroducerClient
from allmydata.util import hashutil, idlib, testutil
@ -45,6 +46,7 @@ class Client(node.Node, Referenceable, testutil.PollMixin):
self.add_service(Uploader(helper_furl))
self.add_service(Downloader())
self.add_service(Checker())
# ControlServer and Helper are attached after Tub startup
self.introducer_furl = self.get_config("introducer.furl", required=True)
@ -135,6 +137,7 @@ class Client(node.Node, Referenceable, testutil.PollMixin):
ic.setServiceParent(self)
self.register_control()
self.register_helper()
def register_control(self):
c = ControlServer()
@ -142,6 +145,20 @@ class Client(node.Node, Referenceable, testutil.PollMixin):
control_url = self.tub.registerReference(c)
self.write_private_config("control.furl", control_url + "\n")
def register_helper(self):
run_helper = self.get_config("run_helper")
if not run_helper:
return
h = Helper(os.path.join(self.basedir, "helper"))
h.setServiceParent(self)
helper_furl = self.tub.registerReference(h)
# TODO: this is confusing. BASEDIR/private/helper.furl is created by
# the helper. BASEDIR/helper.furl is consumed by the client who wants
# to use the helper. I like having the filename be the same, since
# that makes 'cp' work smoothly, but the difference between config
# inputs and generated outputs is hard to see.
self.write_private_config("helper.furl", helper_furl + "\n")
def remote_get_versions(self):
return str(allmydata.__version__), str(self.OLDEST_SUPPORTED_VERSION)