def socket_watcher():
global shutting_down
_linda_server.serve(getOptions().use_domain, getOptions().port)
for s in _linda_server.serverSockets():
if s > 0:
sockets.append(Connection(s))
sockets[-1].type = "bound"
Handler = server.LindaConnection()
while True:
socket_lock.acquire()
try:
iwtd, owtd, ewtd = select.select(sockets, [], sockets, 1)
finally:
socket_lock.release()
if close:
break
elif len(iwtd) == 0 and len(owtd) == 0 and len(ewtd) == 0:
continue
for s in iwtd:
if s.type == "bound":
ns = _linda_server.accept(s)
if ns == -1:
socket_lock.acquire()
try:
del sockets[sockets.index(s)]
finally:
socket_lock.release()
sys.stderr.write("Error accepting connection on %s\n" % (s, ))
else:
ns = Connection(ns)
ns.type = "CLIENT"
sockets.append(ns)
continue
m = _linda_server.recv(s.fileno())
if m is None:
if s.type == "MONITOR":
if shutting_down:
continue
print "Server shutting down."
shutting_down = True
thread_pool.giveJob(target=server.cleanShutdown, args=())
continue
elif s.type == "SERVER":
server.removeServer(s.name)
connect_lock.acquire()
try:
del neighbours[str(s.name)]
finally:
connect_lock.release()
elif s.type == "CLIENT":
server.removeProcess(s.name)
socket_lock.acquire()
try:
del sockets[sockets.index(s)]
continue
finally:
socket_lock.release()
else:
msgid, msg = m[0], m[1:]
if msgid is None:
thread_pool.giveJob(target=Handler.handle, args=(s, None, msg))
elif str(msgid[0]) == server.node_id and str(msgid[1]) == server.node_id:
ms_lock.acquire()
try:
try:
message_store[int(msgid[2])] = (msgid, msg)
except KeyError:
raise KeyError, "%s not found in %s" % (msgid, return_locks.keys())
try:
return_locks[int(msgid[2])].release()
except KeyError:
pass # we have recieved the message before the return lock has been created!
finally:
ms_lock.release()
elif str(msgid[0]) != server.node_id:
sendMessageToNode(msgid[0], msgid, *msg)
elif str(msgid[0]) == server.node_id:
thread_pool.giveJob(target=Handler.handle, args=(s, msgid, msg))
else:
raise SystemError
def socket_watcher():
global shutting_down
_linda_server.serve(getOptions().use_domain, getOptions().port)
for s in _linda_server.serverSockets():
if s > 0:
sockets.append(Connection(s))
sockets[-1].type = "bound"
Handler = server.LindaConnection()
while True:
socket_lock.acquire()
try:
iwtd, owtd, ewtd = select.select(sockets, [], sockets, 1)
finally:
socket_lock.release()
if close:
break
elif len(iwtd) == 0 and len(owtd) == 0 and len(ewtd) == 0:
continue
for s in iwtd:
if s.type == "bound":
ns = _linda_server.accept(s)
if ns == -1:
socket_lock.acquire()
try:
del sockets[sockets.index(s)]
finally:
socket_lock.release()
sys.stderr.write("Error accepting connection on %s\n" %
(s, ))
else:
ns = Connection(ns)
ns.type = "CLIENT"
sockets.append(ns)
continue
m = _linda_server.recv(s.fileno())
if m is None:
if s.type == "MONITOR":
if shutting_down:
continue
print "Server shutting down."
shutting_down = True
thread_pool.giveJob(target=server.cleanShutdown, args=())
continue
elif s.type == "SERVER":
server.removeServer(s.name)
connect_lock.acquire()
try:
del neighbours[str(s.name)]
finally:
connect_lock.release()
elif s.type == "CLIENT":
server.removeProcess(s.name)
socket_lock.acquire()
try:
del sockets[sockets.index(s)]
continue
finally:
socket_lock.release()
else:
msgid, msg = m[0], m[1:]
if msgid is None:
thread_pool.giveJob(target=Handler.handle,
args=(s, None, msg))
elif str(msgid[0]) == server.node_id and str(
msgid[1]) == server.node_id:
ms_lock.acquire()
try:
try:
message_store[int(msgid[2])] = (msgid, msg)
except KeyError:
raise KeyError, "%s not found in %s" % (
msgid, return_locks.keys())
try:
return_locks[int(msgid[2])].release()
except KeyError:
pass # we have recieved the message before the return lock has been created!
finally:
ms_lock.release()
elif str(msgid[0]) != server.node_id:
sendMessageToNode(msgid[0], msgid, *msg)
elif str(msgid[0]) == server.node_id:
thread_pool.giveJob(target=Handler.handle,
args=(s, msgid, msg))
else:
raise SystemError
#!/usr/bin/python
import sys
import _linda_server
if __name__ == "__main__":
if not _linda_server.serve():
sys.exit(-1)
sd = _linda_server.accept()
m = _linda_server.recv(sd)
print m
if m[0] == "OUT":
_linda_server.send(sd, ("DONE", ))
_linda_server.server_disconnect()