def do_GET(self):
# The URL path is the key
key = self.path
# Defer to NodeCore
result = node.do_get(key)
# Take action depending on NodeCore decision
if isinstance(result, ValueFound):
self.respond(200, "application/octet-stream", result.value)
elif isinstance(result, ValueNotFound):
self.respond(404, "text/html", "Key not found")
elif isinstance(result, ForwardRequest):
# Forward request to specified node
(status_code, content_type, data) = node_request.sendGET(
result.destination, node_httpserver_port, key)
# Relay response to requesting node
self.respond(status_code, content_type, data)
else:
raise Exception("Unknown result command: " + pformat(result))
def sendGET(self, key): node = random.choice(storageBackendNodes) (status_code, content_type, data) = node_request.sendGET( node, node_httpserver_port, key) return data