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macapp: changes to support aliases, updated tahoefuse command line options

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the tahoefuse command line options changed to support the runtests harness,
and as part of that gained support for named aliases via --alias

this changes the mac app's invocation of tahoefuse to match that, and also
changes the gui to present the list of defined aliases as valid mounts

this replaces the previous logic which examined the ~/.tahoe/private directory
looking for files ending in '.cap' - an ad-hoc alias mechanism.

if a file is found matching ~/.tahoe/private/ALIASNAME.icns then that will still
be passed to tahoefuse as the icon to display for that filesystem. if no such
file is found, the allmydata icon will be used by default.

the '-olocal' option is passed to tahoefuse.  this is potentially contentious.
specifically this is telling the OS that this is a 'local' filesystem, which is
intended to be used to locally attached devices.  however leopard (OSX 10.5)
will only display non-local filesystems in the Finder's side bar if they are of
fs types specifically known by Finder to be network file systems (nfs, cifs, 
webdav, afp)  hence the -olocal flag is the only way on leopard to cause finder
to display the mounted filesystem in the sidebar, but it displays as a 'device'.
there is a potential (i.e. the fuse docs carry warnings) that this may cause
vague and unspecified undesirable behaviour.
(c.f. http://code.google.com/p/macfuse/wiki/FAQ specifically Q4.3 and Q4.1)
This commit is contained in:
robk-tahoe 2008-09-24 18:01:28 -07:00
parent d61fdafd41
commit 4d9f499de1
1 changed files with 20 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/allmydata/gui/macapp.py
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@ -17,7 +17,7 @@ from twisted.python import log, logfile
import allmydata
from allmydata import client
from allmydata.gui.confwiz import ConfWizApp, ACCOUNT_PAGE, DEFAULT_SERVER_URL
from allmydata.uri import NewDirectoryURI
from allmydata.scripts.common import get_aliases
import amdicon
DEFAULT_FUSE_TIMEOUT = 300
@ -268,26 +268,26 @@ class MountPanel(wx.Panel):
self.sizer = wx.BoxSizer(wx.VERTICAL)
self.caps = self.find_dir_caps()
self.aliases = get_aliases(self.app.basedir)
self.label = wx.StaticText(self, -1, 'Allmydata Mount Filesystem')
self.mnt_label = wx.StaticText(self, -1, 'Mount')
self.cap_choice = wx.Choice(self, -1, (120, 64), choices=self.caps.keys())
root_dir = self.cap_choice.FindString('root_dir')
self.alias_choice = wx.Choice(self, -1, (120, 64), choices=self.aliases.keys())
root_dir = self.alias_choice.FindString('tahoe')
if root_dir != -1:
self.cap_choice.SetSelection(root_dir)
self.alias_choice.SetSelection(root_dir)
self.at_label = wx.StaticText(self, -1, 'at')
self.mountpoint = wx.TextCtrl(self, -1, 'choose a mount dir', size=(256,22))
self.mnt_browse = wx.Button(self, -1, 'Browse')
mount_sizer = wx.BoxSizer(wx.HORIZONTAL)
mount_sizer.Add(self.mnt_label, 0, wx.ALL, 4)
mount_sizer.Add(self.cap_choice, 0, wx.ALL, 4)
mount_sizer.Add(self.alias_choice, 0, wx.ALL, 4)
mount_sizer.Add(self.at_label, 0, wx.ALL, 4)
mount_sizer.Add(self.mountpoint, 0, wx.ALL, 4)
mount_sizer.Add(self.mnt_browse, 0, wx.ALL, 4)
self.mount = wx.Button(self, -1, 'Mount')
self.Bind(wx.EVT_BUTTON, self.on_mount, self.mount)
#self.Bind(wx.EVT_CHOICE, self.on_choice, self.cap_choice)
#self.Bind(wx.EVT_CHOICE, self.on_choice, self.alias_choice)
self.Bind(wx.EVT_BUTTON, self.on_mnt_browse, self.mnt_browse)
self.sizer.Add(self.label, 0, wx.CENTER | wx.ALL, 2)
self.sizer.Add(wx.Size(28,28), 1, wx.EXPAND | wx.ALL, 2)
@ -297,25 +297,6 @@ class MountPanel(wx.Panel):
self.SetSizer(self.sizer)
self.SetAutoLayout(True)
def find_dir_caps(self):
priv_dir = os.path.join(self.app.basedir, 'private')
fs = os.listdir(priv_dir)
caps = {}
for f in fs:
if not f.endswith('.cap'):
continue
try:
log.msg('reading: %r' % (f,))
fh = file(os.path.join(priv_dir, f), 'rb')
cap = fh.read().strip()
fh.close()
uri = NewDirectoryURI.init_from_string(cap)
caps[f[:-4]] = cap
except:
log.msg('failed to read dir cap from "%s"' % (f,))
log.err()
return caps
#def on_choice(self, event):
#choice = event.GetString()
#log.msg('chose dir: %s' % (choice,))
@ -325,8 +306,8 @@ class MountPanel(wx.Panel):
if not os.path.isdir(mountpoint):
wx.MessageBox(u'"%s" is not a directory' % (mountpoint,))
else:
cap_name = self.cap_choice.GetStringSelection()
self.do_mount(cap_name, mountpoint)
alias_name = self.alias_choice.GetStringSelection()
self.do_mount(alias_name, mountpoint)
def on_mnt_browse(self, event):
dlg = wx.DirDialog(self, "Choose a Mountpoint Directory:",
@ -336,8 +317,8 @@ class MountPanel(wx.Panel):
self.mountpoint.SetValue(mountpoint)
dlg.Destroy()
def do_mount(self, cap_name, mountpoint):
log.msg('do_mount(%r, %r)' % (cap_name, mountpoint))
def do_mount(self, alias_name, mountpoint):
log.msg('do_mount(%r, %r)' % (alias_name, mountpoint))
log.msg('sys.exec = %r' % (sys.executable,))
if not sys.executable.endswith('Allmydata.app/Contents/MacOS/python'):
log.msg("can't find allmydata.app: sys.executable = %r" % (sys.executable,))
@ -348,18 +329,24 @@ class MountPanel(wx.Panel):
log.msg('%r exists: %r' % (bin_path, os.path.exists(bin_path),))
foptions = []
foptions.append('-ovolname=%s' % (cap_name,))
foptions.append('-ovolname=%s' % (alias_name,))
foptions.append('-olocal')
timeout = DEFAULT_FUSE_TIMEOUT
# [ ] TODO: make this configurable
if timeout:
foptions.append('-odaemon_timeout=%d' % (timeout,))
icns_path = os.path.join(self.app.basedir, 'private', cap_name+'.icns')
icns_path = os.path.join(self.app.basedir, 'private', alias_name+'.icns')
if not os.path.exists(icns_path):
icns_path = os.path.normpath(os.path.join(os.path.dirname(sys.executable),
'../Resources/allmydata.icns'))
log.msg('set icns_path=%s' % (icns_path,))
log.msg('icns_path exists: %s' % os.path.exists(icns_path))
if os.path.exists(icns_path):
foptions.append('-ovolicon=%s' % (icns_path,))
command = [bin_path, 'fuse', cap_name] + foptions + [mountpoint]
command = [bin_path, 'fuse', '--alias', alias_name] + foptions + [mountpoint]
log.msg('spawning command %r' % (command,))
proc = subprocess.Popen(command,
cwd=self.app.basedir,