Comments
Patch
@@ -25,6 +25,9 @@
'setumask' command
set umask
+'validate' command
+ reload the config and check if the server is up to date
+
'SIGHUP' signal
reload configuration files
@@ -341,6 +344,9 @@
self._oldios = [] # original (self.ch, ui.fp, fd) before "attachio"
self.hashstate = hashstate
self.baseaddress = baseaddress
+ if hashstate is not None:
+ self.capabilities = self.capabilities.copy()
+ self.capabilities['validate'] = chgcmdserver.validate
def cleanup(self):
# dispatch._runcatch() does not flush outputs if exception is not
@@ -387,6 +393,30 @@
self.cresult.write(struct.pack('>i', len(clientfds)))
+ def validate(self):
+ """reload the config and check if the server is up to date
+
+ read a list of NULL terminated arguments.
+ write a list of NULL terminated instruction strings.
+ an instruction string could be either:
+ - "unlink $path", the client should unlink the path to stop the
+ outdated server.
+ - "redirect $path", the client should try to connect to another
+ server instead.
+ """
+ args = self._readlist()
+ self.ui = _renewui(self.ui, args)
+ newhash = hashstate.fromui(self.ui, self.hashstate.mtimepaths)
+ insts = []
+ if newhash.mtimehash != self.hashstate.mtimehash:
+ addr = _hashaddress(self.baseaddress, self.hashstate.confighash)
+ insts.append('unlink %s' % addr)
+ if newhash.confighash != self.hashstate.confighash:
+ addr = _hashaddress(self.baseaddress, newhash.confighash)
+ insts.append('redirect %s' % addr)
+ _log('validate: %s\n' % insts)
+ self.cresult.write('\0'.join(insts) + '\0')
+
def _saveio(self):
if self._oldios:
return False