def getMetaserverURL(eventLoop, callback):
"""Contact the meta-meta-server to find the URL for the metaserver.
call the provided callback with the URL once we find it.
"""
global metaMetaURL, metaURL
if metaURL:
callback(metaURL)
else:
# Stick together an HTTP request, with responseHandler called when it comes back.
def responseHandler(response):
lines = [line.strip() for line in response.strip().split("\n")]
if lines[0] != "HTTP/1.1 200 OK":
raise Errors.NetworkException("Meta-meta-server returned status '%s'" % lines[0])
metaURL = lines[-1]
callback(metaURL)
parsed = urlparse.urlparse(metaMetaURL)
Network.asyncRequest(eventLoop, parsed[1], 80,
"GET %s HTTP/1.1\nHost: %s\nUser-Agent: %s/%s\n\n" %
(parsed[2], parsed[1], BZFlag.name, BZFlag.version),
responseHandler)
def performRequest(url):
# Normally we'd use urlparse for this, but it has wacky defaults
# for URL schemes it doesn't recognize.
host = url.split("/")[2]
Network.asyncRequest(self.eventLoop, host, 5156, line, callback)
