3 from ConfigParser import SafeConfigParser
5 from twisted.python import log, versions
7 class ConfigError(Exception):
8 def __init__(self, message):
11 return repr(self.message)
13 version = versions.Version('apt-dht', 0, 0, 0)
14 home = os.path.expandvars('${HOME}')
15 if home == '${HOME}' or not os.path.isdir(home):
16 home = os.path.expanduser('~')
17 if not os.path.isdir(home):
18 home = os.path.abspath(os.path.dirname(sys.argv[0]))
19 DEFAULT_CONFIG_FILES=['/etc/apt-dht/apt-dht.conf',
20 home + '/.apt-dht/apt-dht.conf']
24 # Port to listen on for all requests (TCP and UDP)
27 # Directory to store the downloaded files in
28 'CACHE_DIR': home + '/.apt-dht/cache',
30 # Other directories containing packages to share with others
31 # WARNING: all files in these directories will be hashed and available
32 # for everybody to download
35 # User name to try and run as
38 # Whether it's OK to use an IP addres from a known local/private range
41 # Unload the packages cache after an interval of inactivity this long.
42 # The packages cache uses a lot of memory, and only takes a few seconds
43 # to reload when a new request arrives.
44 'UNLOAD_PACKAGES_CACHE': '5m',
46 # Which DHT implementation to use.
47 # It must be possile to do "from <DHT>.DHT import DHT" to get a class that
48 # implements the IDHT interface.
49 'DHT': 'apt_dht_Khashmir',
51 # Whether to only run the DHT (for providing only a bootstrap node)
56 # bootstrap nodes to contact to join the DHT
57 'BOOTSTRAP': """www.camrdale.org:9977
58 steveholt.hopto.org:9976""",
60 # whether this node is a bootstrap node
61 'BOOTSTRAP_NODE': "no",
63 # Kademlia "K" constant, this should be an even number
66 # SHA1 is 160 bits long
69 # checkpoint every this many seconds
70 'CHECKPOINT_INTERVAL': '5m', # five minutes
73 # concurrent xmlrpc calls per find node/value request!
74 'CONCURRENT_REQS': '4',
76 # how many hosts to post to
77 'STORE_REDUNDANCY': '3',
79 ### ROUTING TABLE STUFF
80 # how many times in a row a node can fail to respond before it's booted from the routing table
83 # never ping a node more often than this
84 'MIN_PING_INTERVAL': '15m', # fifteen minutes
86 # refresh buckets that haven't been touched in this long
87 'BUCKET_STALENESS': '1h', # one hour
89 # expire entries older than this
90 'KEY_EXPIRE': '1h', # 60 minutes
92 # whether to spew info about the requests/responses in the protocol
96 class AptDHTConfigParser(SafeConfigParser):
98 Adds 'gettime' to ConfigParser to interpret the suffixes.
107 def gettime(self, section, option):
109 value = self.get(section, option)
111 raise ConfigError("Configuration parse error: [%s] %s" % (section, option))
112 suffix = value[-1].lower()
113 if suffix in self.time_multipliers.keys():
114 mult = self.time_multipliers[suffix]
116 return int(value)*mult
117 def getstring(self, section, option):
118 return self.get(section,option)
119 def getstringlist(self, section, option):
120 return self.get(section,option).split()
121 def optionxform(self, option):
122 return option.upper()
124 config = AptDHTConfigParser(DEFAULTS)
125 config.add_section(config.get('DEFAULT', 'DHT'))
126 for k in DHT_DEFAULTS:
127 config.set(config.get('DEFAULT', 'DHT'), k, DHT_DEFAULTS[k])