def _joinNetwork_findNodeWorker(host):
try:
newHost = httpGet('http://' + host + '/node').strip()
with Session() as s:
if Node.getThisNode(s, newHost).first():
return
Node.add(s, newHost)
s.commit()
except URLError:
pass
def _doPing_worker(host):
try:
response = httpGet('http://' + host + '/ping').splitlines()
with Session() as s:
node = Node.getThisNode(s, host).first()
if response[0].strip() != 'PONG':
node.linked = False
else:
node.updateTimestamp()
if len(response) > 1:
newNodeHost = response[1].strip()
newNode = Node.getThisNode(s, newNodeHost).first()
if not newNode:
Node.add(s, newNodeHost)
s.commit()
except URLError:
pass
def _joinNetwork_joinWorker(host):
try:
response = httpGet('http://' + host + '/join/' + settings.NODE_NAME).splitlines()
if response[0] != 'WELCOME':
return
with Session() as s:
node = Node.getThisNode(s, host).first()
if node:
node.linked = True
else:
Node.add(s, host)
s.commit()
if len(response) == 2:
newHost = response[1]
with Session() as s:
if Node.getThisNode(s, newHost).first():
return
Node.add(s, newHost)
s.commit()
except URLError:
pass
