Mercurial > hg
view hgext/inotify/common.py @ 14594:3752b5e1f4c4
mq: rename write_list to writelist
author | Adrian Buehlmann <adrian@cadifra.com> |
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date | Mon, 13 Jun 2011 13:47:21 +0200 |
parents | 25e572394f5c |
children |
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# server.py - inotify common protocol code # # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import cStringIO, socket, struct """ Protocol between inotify clients and server: Client sending query: 1) send protocol version number 2) send query type (string, 4 letters long) 3) send query parameters: - For STAT, N+1 \0-separated strings: 1) N different names that need checking 2) 1 string containing all the status types to match - No parameter needed for DBUG Server sending query answer: 1) send protocol version number 2) send query type 3) send struct.pack'ed headers describing the length of the content: e.g. for STAT, receive 9 integers describing the length of the 9 \0-separated string lists to be read: * one file list for each lmar!?ic status type * one list containing the directories visited during lookup """ version = 3 resphdrfmts = { 'STAT': '>lllllllll', # status requests 'DBUG': '>l' # debugging queries } resphdrsizes = dict((k, struct.calcsize(v)) for k, v in resphdrfmts.iteritems()) def recvcs(sock): cs = cStringIO.StringIO() s = True try: while s: s = sock.recv(65536) cs.write(s) finally: sock.shutdown(socket.SHUT_RD) cs.seek(0) return cs