def web_socket_transfer_data(request):
logger.logInfo(NAME + "Server dostal zgloszenie")
paramsDictionary = {}
paramsDictionary["SOCKET"] = request.ws_stream
paramsDictionary["HOME_PATH"] = request.get_options()["PROJECT_LOCATION"]
methodMapping = {PREPARE: prepare, GLOBAL_COMMIT: globalCommit, GLOBAL_ABORT: globalAbort}
configReader = ConfigurationReader(
paramsDictionary["HOME_PATH"] + "ServerSide/config/database_config/database.conf"
)
dbParamsDict = configReader.readConfigFile()
paramsDictionary["DB_PARAMS"] = dbParamsDict
paramsDictionary["CLIENT_ADDRESS"] = request.connection.remote_ip
login = request.ws_stream.receive_message()
password = request.ws_stream.receive_message()
db = DatabaseConnector(login, password, dbParamsDict["DATABASE"], dbParamsDict["HOST"])
command = request.ws_stream.receive_message()
lockFilePath = paramsDictionary["HOME_PATH"] + "ServerSide/config/database_config/dbLock.dat"
lock = FileLock(lockFilePath, 2, 0.05)
try:
while command != EXIT:
methodMapping[command](paramsDictionary, db, lock)
command = request.ws_stream.receive_message()
if lock.is_locked:
lock.release()
except Exception, e:
logger.logError(NAME + e.message)
if lock.is_locked:
lock.release()
return apache.HTTP_OK
def execute(paramsDictionary, message): logger.logInfo(NAME + "wewnatrz modulu rozglaszania nowej wersji ") homePath = paramsDictionary["HOME_PATH"] lock = paramsDictionary["LOCK"] if lock.is_locked == False: return try: addressesfile = FileProcessor(paramsDictionary["HOME_PATH"]+"ServerSide/config/addresses.conf") addressesfile.lockFile() addresses = addressesfile.readFile() addressesfile.unlockFile() versionsFile = FileProcessor(homePath+"ServerSide/config/database_config/data_version.dat") versionsFile.lockFile() dataVersions = versionsFile.readFile() versionsFile.unlockFile() myVersion = dataVersions[LOCALHOST_NAME] logger.logInfo(NAME + "Moja wersja danych " + myVersion) for address in addresses: if addresses[address] == "T": logger.logInfo(NAME + "wysylanie wersji do " + address) connection = Connection(homePath + "ServerSide/config/connection_config.conf" ) if connection.connect(address, 80, RESOURCE) == OK_FLAG: connection.send_message(myVersion) connection._do_closing_handshake() else: logger.logError(NAME + "Nie moge polaczyc sie z serwerem o adresie " + address) except Exception, e: logger.logError(NAME + e.message) lock.release
def run(self):
try:
methodMapping = {PREPARE : self.prepare,
GLOBAL_COMMIT : self.globalCommit,
GLOBAL_ABORT : self.globalAbort}
self.connection = Connection(self.paramsDictionary["HOME_PATH"]+"ServerSide/config/database_config/transaction_config.conf")
if self.connection.connect(self.clientAddress, 80, RESOURCE) == OK_FLAG:
logging.info(NAME + "Polaczenie dla transakcji zapisu nawiazane")
self.connection.send_message(self.dbLogin)
self.connection.send_message(self.dbPassword)
command = self.inputQueue.get(True, None)
while command != STOP_THREAD:
methodMapping[command]()
command = self.inputQueue.get(True, None)
logger.logInfo(NAME + "Odebrano komende " + command)
self.connection.send_message(EXIT)
else:
logger.logError(NAME + "Nie mozna nawiazac polaczenia dla transakcji zapisu")
self.outputQueue.put(ABORT)
self.connection._do_closing_handshake()
logger.logInfo(NAME + "Konice watku transakcji zapisu")
except Exception, e:
logging.error(NAME + e.message )
def execute(paramsDictionary, message): remoteAddress = paramsDictionary["CLIENT_ADDRESS"] logger.logImportant(NAME+ "Wykryto probe nawiazania polaczenia od " + remoteAddress) file = FileProcessor(paramsDictionary["HOME_PATH"]+"ServerSide/config/addresses.conf") paramsDictionary["CONNECTION_MODE"] = False try: file.lockFile() addresses = file.readFile() for key in addresses: logger.logInfo(NAME+ "klucz %s", key) logger.logInfo(NAME+ "adres serwera zdalnego %s", remoteAddress) logger.logInfo(NAME+ "addresses[key] %s", addresses[key]) if key == remoteAddress: logger.logInfo(NAME+ "znalazl dopasowanie") if( addresses[key] != 'T' ): logger.logInfo(NAME+ "proba nawiazania polaczenia z nowododanym serwerem") paramsDictionary["CONNECTION"] = Connection(paramsDictionary["HOME_PATH"]+"ServerSide/config/ping_config.conf") if paramsDictionary["CONNECTION"].connect(remoteAddress, 80, RESOURCE) != ERROR: paramsDictionary["SOCKET"] = paramsDictionary["CONNECTION"]._stream paramsDictionary["SOCKET"].send_message(PING) paramsDictionary["SOCKET"].receive_message() logger.logImportant(NAME+ "Polaczenie z " + remoteAddress + " nawiazane") addresses[key] = 'T' file.writeToFile(addresses) paramsDictionary["CONNECTION_MODE"] = True break except Exception, e: logger.logError(NAME + e.message) file.unlockFile()
def web_socket_transfer_data(request):
logger.logInfo(NAME+ "Server dostal zgloszenie")
paramsDictionary = {}
paramsDictionary["REQUEST"] = request
paramsDictionary["CLIENT_ADDRESS"]= request.connection.remote_ip
paramsDictionary["SOCKET"] = request.ws_stream
paramsDictionary["HOME_PATH"] = request.get_options()["PROJECT_LOCATION"]
configReader = ConfigurationReader(paramsDictionary["HOME_PATH"]+"ServerSide/config/runParams.conf")
paramsDictionary["CONFIG_PARAMS"] = configReader.readConfigFile()
paramsDictionary["SOCKET"].receive_message()
if paramsDictionary["CLIENT_ADDRESS"] == PARENT_MACHINE_ADDRESS:
paramsDictionary["SOCKET"].send_message(EXIT)
return apache.HTTP_OK
logger.logImportant(NAME+ "Serwer " + paramsDictionary["CLIENT_ADDRESS"] + " probuje nawiazac polaczenie")
remoteAddress = paramsDictionary["CLIENT_ADDRESS"]
file = FileProcessor(paramsDictionary["HOME_PATH"]+"ServerSide/config/addresses.conf")
paramsDictionary["CONNECTION_MODE"] = True
try:
file.lockFile()
addresses = file.readFile()
for key in addresses:
logger.logInfo(NAME+ "klucz %s " + key)
logger.logInfo(NAME+ "adres zdalnej maszyny %s " + remoteAddress)
logger.logInfo(NAME+ "addresses[key] %s " + addresses[key])
if key == remoteAddress:
if addresses[key] == 'F':
logger.logInfo(NAME+ "znalazl dopasowanie")
paramsDictionary["SOCKET"].send_message(PONG)
logger.logInfo(NAME+ "Server odpowiedzial PONG do " + paramsDictionary["CLIENT_ADDRESS"])
logger.logInfo(NAME+ "proba nawiazania polaczenia z nowododanym serwerem")
paramsDictionary["CONNECTION"] = Connection(paramsDictionary["HOME_PATH"]+"ServerSide/config/connection_config.conf")
if paramsDictionary["CONNECTION"].connect(remoteAddress, 80, RESOURCE) != ERROR:
paramsDictionary["SOCKET"] = paramsDictionary["CONNECTION"]._stream
paramsDictionary["SOCKET"].send_message(PING)
paramsDictionary["SOCKET"].receive_message()
logger.logInfo(NAME+ "nawiazywanie polaczenia z nowododanym serwerem")
addresses[key] = 'T'
file.writeToFile(addresses)
break
else:
paramsDictionary["SOCKET"].send_message(EXIT)
logger.logInfo(NAME+ "Server odpowiedzial EXIT do " + paramsDictionary["CLIENT_ADDRESS"])
file.unlockFile()
return apache.HTTP_OK
file.unlockFile()
except Exception, e:
logger.logError(NAME + e.message)
file.unlockFile()
return apache.HTTP_OK
def startTransaction(self): logger.logInfo(NAME + "StartMethod") ticket = self.inputQueue.get(True, None) self.connection.send_message(ticket) try: answer = self.connection.get_message() except Exception, e: logger.logError(NAME + e.message ) return
def executeTransaction(self, cursor, command): try: if self.checkActiveServersCount() == True and self.checkDataVersions() == True: cursor.execute(command) return cursor.fetchall() else: return ERROR_MESSAGE except MySQLdb.Error, e: logger.logError(NAME + "%d %s" % (e.args[0], e.args[1])) return "%d %s" % (e.args[0], e.args[1])
def web_socket_transfer_data(request):
logger.logInfo(NAME+ "Server dostal zgloszenie")
paramsDictionary = {}
paramsDictionary["REQUEST"] = request
paramsDictionary["CLIENT_ADDRESS"]= request.connection.remote_ip
paramsDictionary["SOCKET"] = request.ws_stream
paramsDictionary["HOME_PATH"] = request.get_options()["PROJECT_LOCATION"]
paramsDictionary["CONNECTION_MODE"] = False
configReader = ConfigurationReader(paramsDictionary["HOME_PATH"]+"ServerSide/config/runParams.conf")
paramsDictionary["CONFIG_PARAMS"] = configReader.readConfigFile()
paramsDictionary["SOCKET"].receive_message()
logger.logInfo(NAME+ "Server otrzymal ping od " + paramsDictionary["CLIENT_ADDRESS"])
paramsDictionary["SOCKET"].send_message(PONG)
logger.logInfo(NAME+ "Server odpowiedzial do " + paramsDictionary["CLIENT_ADDRESS"])
loader = ModulesLoader()
modules = loader.loadModules(paramsDictionary["HOME_PATH"]+"ServerSide/config/modules.ext")
paramsDictionary["MODULES"] = modules
logger.logInfo(NAME+ "Serwer wczytal moduly")
if modules.has_key("NEW_CONN"):
for singleModule in modules["NEW_CONN"]:
singleModule.execute(paramsDictionary, None)
paramsDictionary["QUEUE"] = Queue.Queue(0)
logger.logInfo(NAME+ "Serwer rozpoczyna pingowanie")
listener = ListenSocket(paramsDictionary, modules)
listener.setDaemon(True)
listener.start()
while(True):
try:
for singleModule in modules["PERIODIC"]:
singleModule.execute(paramsDictionary, None)
time.sleep(int(paramsDictionary["CONFIG_PARAMS"]["singlePeriod"]))
except Exception, e:
logger.logError(NAME+ "ERROR w modulach okresowych, zamykanie polaczenia")
logger.logError(NAME + e.message)
for singleModule in modules["HOST_DC"]:
singleModule.execute(paramsDictionary, None)
logger.logInfo(NAME + "Polaczenie zakonczone")
return apache.HTTP_OK
#1000100100000000 - Ping frame in binary with no data
#1000101000000000 - Pong frame in binary with no data
def prepare(paramsDictionary, db, lock):
logger.logInfo(NAME + "Prepare")
try:
socket = paramsDictionary["SOCKET"]
command = socket.receive_message()
paramsDictionary["COMMAND"] = command
logger.logInfo(NAME + "Wezel otrzymal komende do wykonania " + command)
if db.initConnection() == ERROR:
logger.logError(NAME + "Nie moge polaczyc sie z baza danych")
socket.send_message(ABORT)
if lock.is_locked:
lock.release()
return
lock.acquire()
if lock.is_locked == False:
logger.logError(NAME + "Nie moge zalozyc blokady")
socket.send_message(ABORT)
lock.release()
return
if db.executeQueryWithoutTransaction(command) != OK_CODE:
socket.send_message(ABORT)
logger.logError(NAME + "Nie moge wykonac polecenia")
lock.release()
return
logger.logImportant(NAME + "Uczestnik jest gotowy do zaakceptowania operacji")
socket.send_message(READY_COMMIT)
return
except Exception, e:
logger.logError(NAME + e.message)
if lock.is_locked:
lock.release()
def globalAbort(paramsDictionary, db, lock):
try:
socket = paramsDictionary["SOCKET"]
logger.logImportant(NAME + "Orzymano polecenie GLOBAL_ABORT")
db.executeQueryWithoutTransaction(ROLLBACK)
ticket = socket.receive_message()
TicketUtil.skipTicket(ticket)
socket.send_message(OK)
if lock.is_locked:
lock.release()
except Exception, e:
logger.logError(NAME + e.message)
if lock.is_locked:
lock.release()
def web_socket_transfer_data(request):
logger.logInfo(NAME+ "Server dostal zgloszenie od klienta")
paramsDictionary = {}
paramsDictionary["REQUEST"] = request
paramsDictionary["CLIENT_ADDRESS"]= request.connection.remote_ip
paramsDictionary["SOCKET"] = request.ws_stream
paramsDictionary["HOME_PATH"] = request.get_options()["PROJECT_LOCATION"]
configReader = ConfigurationReader(paramsDictionary["HOME_PATH"]+"ServerSide/config/database_config/database.conf")
dbParamsDict = configReader.readConfigFile()
paramsDictionary["DB_PARAMS"] = dbParamsDict
login = request.ws_stream.receive_message()
password = request.ws_stream.receive_message()
paramsDictionary["LOGIN"] = login
paramsDictionary["PASSWORD"] = password
db = DatabaseConnector(login, password, dbParamsDict["DATABASE"], dbParamsDict["HOST"])
if db.initConnection() == ERROR:
request.ws_stream.send_message("Invalid username or password")
logger.logError(NAME + "Uzytkownik podal niewlasciwy login lub haslo, zamykanie polaczenia")
return apache.HTTP_OK
logger.logInfo(NAME + "polaczenie z baza nawiazane")
lockFilePath = paramsDictionary["HOME_PATH"]+"ServerSide/config/database_config/dbLock.dat"
lock = FileLock(lockFilePath)
while(True):
try:
query = request.ws_stream.receive_message()
if query == CLOSING_MESSAGE:
db.closeConnection()
return apache.HTTP_OK
else:
logger.logImportant(NAME + "Klient chce wykonac zapytanie " + query)
lock.acquire()
output = db.executeSQL(query, paramsDictionary)
lock.release()
logger.logImportant(NAME + str(output))
request.ws_stream.send_message(str(output))
except Exception, e:
logger.logError(NAME + "ERROR w trakcie odbierania wiadomosci " + e.message)
db.closeConnection()
if lock.is_locked:
lock.release()
return apache.HTTP_OK
def execute(paramsDictionary, message): homePath = paramsDictionary["HOME_PATH"] if "LOCK" in paramsDictionary: lock = paramsDictionary["LOCK"] else: lockFilePath = paramsDictionary["HOME_PATH"]+"ServerSide/config/database_config/dbLock.dat" lock = FileLock(lockFilePath,2,.05) paramsDictionary["LOCK"] = lock try: lock.acquire() except Exception, e: logger.logError(NAME + e.message) if lock.is_locked: lock.release() return
def authConnectionMode(paramsDictionary): remoteAddress = paramsDictionary["CLIENT_ADDRESS"] logger.logInfo(NAME + "Uwierzytelnianie serwera " + remoteAddress) socket = paramsDictionary["SOCKET"] homePath = paramsDictionary["HOME_PATH"] logger.logInfo(NAME + "przed wyslaniem zapytania o haslo") socket.send_message(GET_PASSWORD) logger.logInfo(NAME + "Oczekiwanie na haslo od serwera") password = socket.receive_message() logger.logInfo(NAME + "Otrzymano haslo od " + remoteAddress) processor = FileProcessor(homePath+"ServerSide/config/pass/all_to_me.pass") passwords = processor.readFile() logger.logInfo(NAME + "spodziewane haslo " + passwords[remoteAddress] + " otrzymano " + password ) if(passwords[remoteAddress] == password ): logger.logImportant(NAME + "Serwer " + remoteAddress + " uwierzytelniony") socket.send_message(PASSWORD_OK) logger.logInfo(NAME + "czekam na zapytanie o haslo") message = socket.receive_message() if message == GET_PASSWORD: processor = FileProcessor(homePath+"ServerSide/config/pass/me_to_all.pass") passwords = processor.readFile() logger.logInfo(NAME + "Wysylam swoje haslo do " + remoteAddress) socket.send_message(passwords[remoteAddress]) message = socket.receive_message() if message == PASSWORD_OK: logger.logInfo(NAME + "Haslo zaakceptowane przez " + remoteAddress) pass else: logger.logError(NAME + "Haslo pzeslane przez " + remoteAddress + " niezgodne, zamykanie polaczenia") paramsDictionary["CONNECTION"]._socket.close() else: logger.logError(NAME + "Haslo pzeslane przez " + remoteAddress + " niezgodne, zamykanie polaczenia") socket.send_message(WRONG_PASSWORD) paramsDictionary["CONNECTION"]._socket.close()
def globalCommit(paramsDictionary, db, lock):
try:
socket = paramsDictionary["SOCKET"]
servers = socket.receive_message()
logger.logInfo(NAME + "Mam serwery " + servers)
servers = servers.split(":")
servers.append(paramsDictionary["CLIENT_ADDRESS"])
logger.logImportant(NAME + "Uczestnik zaakceptowal operacje")
db.executeQueryWithoutTransaction(generateInsertToDataVersions(paramsDictionary))
db.executeQueryWithoutTransaction(COMMIT)
insertNewDataVersions(servers, paramsDictionary)
ticket = socket.receive_message()
TicketUtil.setNextExpectedTicket(ticket)
socket.send_message(OK)
if lock.is_locked:
lock.release()
except Exception, e:
logger.logError(NAME + e.message)
if lock.is_locked:
lock.release()
def insertNewDataVersions(serversList, paramsDictionary):
try:
homePath = paramsDictionary["HOME_PATH"]
logger.logInfo(NAME + "Metoda wstawiajaca wiersz do tabeli z wierszami")
versionProcessor = FileProcessor(homePath + "ServerSide/config/database_config/data_version.dat")
versionProcessor.lockFile()
logger.logInfo(NAME + "Plik z wersjami zablokowany")
logger.logInfo(NAME + "Zapisywanie do pliku z wersjami")
versions = versionProcessor.readFile()
newVersion = str(int(versions[LOCALHOST_NAME]) + 1)
for address in serversList:
logger.logInfo(NAME + "Dla adresu: " + address)
if address in versions:
versions[address] = newVersion
logger.logInfo(NAME + "Zapisano " + address)
versions[LOCALHOST_NAME] = newVersion
versionProcessor.writeToFile(versions)
versionProcessor.unlockFile()
except Exception, e:
logger.logError(NAME + e.message)
versionProcessor.unlockFile()
def execute(paramsDictionary, message): remoteAddress = paramsDictionary["CLIENT_ADDRESS"] logger.logImportant(NAME+ "Wykryto odlaczenie serwera " + remoteAddress) file = FileProcessor(paramsDictionary["HOME_PATH"]+"ServerSide/config/addresses.conf") if( paramsDictionary["CONNECTION_MODE"] == True ): paramsDictionary["CONNECTION"]._socket.close() logger.logInfo(NAME+ "Proba zapisu do pliku adresowego") writeOk = False while writeOk != True: try: file.lockFile() logger.logInfo(NAME + "Plik adresowy zablokowany") writeOk = True addresses = file.readFile() addresses[paramsDictionary["CLIENT_ADDRESS"]] = 'F' file.writeToFile(addresses) file.unlockFile() logger.logInfo(NAME+ "Plik adresowy zaktualizowany") if file.lock.is_locked: file.unlockFile() except Exception, e: logger.logError(NAME + "Nie mozna zablokowac pliku adresowego, czekanie bedzie wznowione")
def execute(paramsDictionary, message): socket = paramsDictionary["SOCKET"] queue = paramsDictionary["QUEUE"] pingWaitResponseTime = int(paramsDictionary["CONFIG_PARAMS"]["pingWaitResponseTime"]) logger.logInfo(NAME + "Maksymalny czas oczekiwania na odpowiedz = " + str(pingWaitResponseTime)) wasError = False errorMessage = "" try: socket.send_message(PING) logger.logInfo(NAME+ "Wysylam ping") queue.get(True, int(pingWaitResponseTime)) except Queue.Empty: wasError = True errorMessage = "Serwer nie otrzymal odpowiedzi na ping" logger.logError(NAME + "serwer nie otrzymal odpowiedzi na Ping zamykanie polaczenia") except ConnectionTerminatedException, a: wasError = True logger.logError(NAME+ "Server zamknal polaczenie") errorMessage = "Serwer zamknal polaczenie"
def connect(self, host, port, resource):
self._socket = socket.socket()
self.dictionary['server_port'] = port
self.dictionary['server_host'] = host
self.dictionary['resource'] = resource
self._socket.settimeout(int(self.dictionary.get('socket_timeout')))
try:
logger.logInfo(NAME + "connecting to " + host + ":" + str(port) + resource )
self._socket.connect((host, int(port)))
if self.dictionary.get('use_tls') == 'True':
self._socket = _TLSSocket(self._socket)
version = self.dictionary.get('protocol_version')
self._handshake = ClientHandshakeProcessor(
self._socket, self.dictionary)
self._handshake.handshake()
logger.logInfo(NAME + 'Nawiazano polaczenie z ' + host+":"+str(port))
request = ClientRequest(self._socket)
version_map = {
_PROTOCOL_VERSION_HYBI13: common.VERSION_HYBI13}
request.ws_version = version_map[version]
stream_option = StreamOptions()
stream_option.mask_send = True
stream_option.unmask_receive = False
self._stream = Stream(request, stream_option)
return OK_FLAG
except Exception, e:
logger.logError(NAME+"Wystapil problem")
logger.logError(NAME + e.message)
print(e.message)
return ERROR_FLAG
def checkDataVersions(self):
logger.logInfo(NAME + "Rozpoczynanie transakcji odczytu")
self.processor.lockFile()
dataVersions = self.processor.readFile()
myDataVersion = dataVersions[LOCALHOST_NAME]
logger.logInfo("Lokalna wersja danych = " + myDataVersion)
count = 0
myVersion = 0
for key in dataVersions:
count = count + 1
version = dataVersions[key]
if version == myDataVersion:
myVersion = myVersion + 1
logger.logInfo(NAME + "Zgodnych wersji: " + str(myVersion))
logger.logInfo(NAME + "Wszystkich wersji: " + str(count))
self.processor.unlockFile()
min = int(math.floor(count / 2) + 1)
if myVersion >= min:
logger.logInfo(NAME + "Warunek kworum dla odczytu spelniony")
return True
else:
logger.logError(NAME + "Nie mozna czytac")
return False
def run(self):
try:
methodMapping = {SKIP : self.skip,
START : self.startTransaction,
OK : self.ok}
self.connection = Connection(self.paramsDictionary["HOME_PATH"]+"ServerSide/config/connection_config.conf")
if self.connection.connect(self.clientAddress, 80, RESOURCE) == OK_FLAG:
logger.logInfo(NAME + "Polaczenie z uczestnikiem transakcji " + self.clientAddress + " nawiazane" )
command = self.inputQueue.get(True, None)
while command != STOP_THREAD:
methodMapping[command]()
command = self.inputQueue.get(True, None)
logger.logInfo(NAME + "Odebrano komende " + command)
self.connection.send_message(EXIT)
else:
logger.logError(NAME + "Nie mozna nawiazac polaczenia z " + self.clientAddress)
self.outputQueue.put(ABORT)
self.connection._do_closing_handshake()
logger.logInfo(NAME + "Koordynator konczy polaczenie z " + self.clientAddress)
except Exception, e:
logger.logError(NAME + e.message )
def web_socket_transfer_data(request):
logger.logInfo(NAME+ "Server dostal zgloszenie")
paramsDictionary = {}
socket = request.ws_stream
paramsDictionary["HOME_PATH"] = request.get_options()["PROJECT_LOCATION"]
configReader = ConfigurationReader(paramsDictionary["HOME_PATH"]+"ServerSide/config/database_config/database.conf")
dbParamsDict = configReader.readConfigFile()
login = dbParamsDict["DEFAULT_LOGIN"]
password = dbParamsDict["DEFAULT_PASSWORD"]
clientVersion = socket.receive_message()
logger.logInfo(NAME + "client version " + clientVersion)
lockFilePath = paramsDictionary["HOME_PATH"]+"ServerSide/config/database_config/dbLock.dat"
lock = FileLock(lockFilePath,3,.05)
try:
lock.acquire()
except Exception, e:
logger.logError(NAME + e.message)
socket.send_message(LOCK_ERROR)
return apache.HTTP_OK
def run(self):
try:
logger.logInfo(NAME+"wewnatrz watku")
while( True ):
logger.logInfo(NAME+"Oczekiwanie na wiadomosc")
received = self.paramsDictionary["SOCKET"].receive_message()
logger.logInfo(NAME+"odebrano " + received)
if received != None:
self.dispatch(received)
else:
logger.logError(NAME+"odebrano pusta wiadomosc")
except Exception, e:
logger.logError(NAME+"Wystapil problem z polaczeniem")
logger.logError(NAME + e.message)
raise Exception("Problem z polaczeniem w watku nasluchujacym")
addressesfile.unlockFile() addressesToConnect = findActiveUpToDateServer(addresses, dataVersions) try: if len(addressesToConnect) > 0: connection = Connection(homePath + "ServerSide/config/connection_config.conf" ) for addressToConnect in addressesToConnect: if connection.connect(addressToConnect, 80, RESOURCE) != ERROR: connection.send_message(dataVersions[LOCALHOST_NAME]) version = connection.get_message() if version != LOCK_ERROR: logger.logInfo(NAME + "Polaczony z " + addressToConnect) break if version == LOCK_ERROR: logger.logError(NAME + "Nie mozna zaktualizowac serwera") return configReader = ConfigurationReader(paramsDictionary["HOME_PATH"]+"ServerSide/config/database_config/database.conf") dbParamsDict = configReader.readConfigFile() paramsDictionary["DB_PARAMS"] = dbParamsDict login = dbParamsDict["DEFAULT_LOGIN"] password = dbParamsDict["DEFAULT_PASSWORD"] else: logger.logError(NAME + "Brak serwerow, od ktorych mozna pobrac aktualne dane") return except Exception, e: logger.logError(NAME + e.message) if lock.is_locked: lock.release()
try:
db = MySQLdb.connect(dbParamsDict["HOST"], login, password, dbParamsDict["DATABASE"])
cursor = db.cursor()
logger.logInfo(NAME + "polaczenie z baza nawiazane")
cursor.execute("select * from versions where id > " + str(clientVersion) + " order by id")
logger.logInfo(NAME + "komenda wyslana do bazy")
for version, command in cursor.fetchall():
socket.send_message(str(version))
socket.send_message(command)
logger.logInfo(NAME + "Wyslano " + str(version) + " " + command)
socket.send_message(END)
ticket = TicketUtil.getCurrentExpectedTicket()
socket.send_message(str(ticket))
logger.logInfo(NAME + "wyslano wiadomosc konczaca")
return apache.HTTP_OK
except MySQLdb.Error, e:
logger.logError("%d %s" % (e.args[0], e.args[1]))
if lock.is_locked:
lock.release()
return apache.HTTP_OK
except Exception, ee:
logger.logError(NAME + ee.message)
if lock.is_locked:
lock.release()
return apache.HTTP_OK
queue = paramsDictionary["QUEUE"] pingWaitResponseTime = int(paramsDictionary["CONFIG_PARAMS"]["pingWaitResponseTime"]) logger.logInfo(NAME + "Maksymalny czas oczekiwania na odpowiedz = " + str(pingWaitResponseTime)) wasError = False errorMessage = "" try: socket.send_message(PING) logger.logInfo(NAME+ "Wysylam ping") queue.get(True, int(pingWaitResponseTime)) except Queue.Empty: wasError = True errorMessage = "Serwer nie otrzymal odpowiedzi na ping" logger.logError(NAME + "serwer nie otrzymal odpowiedzi na Ping zamykanie polaczenia") except ConnectionTerminatedException, a: wasError = True logger.logError(NAME+ "Server zamknal polaczenie") errorMessage = "Serwer zamknal polaczenie" except Exception, e: wasError = True logger.logError(NAME+ "error - zamykanie polaczenia") logger.logError(NAME + e.message) errorMessage = "Wystapil nieznany problem" finally: if wasError: raise Exception(errorMessage)
loader = ModulesLoader()
modules = loader.loadModules(paramsDictionary["HOME_PATH"]+"ServerSide/config/modules.ext")
paramsDictionary["MODULES"] = modules
logger.logInfo(NAME+ "Serwer wczytal moduly")
if modules.has_key("NEW_CONN"):
for singleModule in modules["NEW_CONN"]:
singleModule.execute(paramsDictionary, None)
paramsDictionary["QUEUE"] = Queue.Queue(0)
logger.logImportant(NAME+ "Polaczenie z " + paramsDictionary["CLIENT_ADDRESS"] + " nawiazane")
listener = ListenSocket(paramsDictionary, modules)
listener.setDaemon(True)
listener.start()
while(True):
try:
for singleModule in modules["PERIODIC"]:
singleModule.execute(paramsDictionary, None)
time.sleep(int(paramsDictionary["CONFIG_PARAMS"]["singlePeriod"]))
except Exception, e:
logger.logError(NAME+ "ERROR w modulach cyklicznych, zamykanie polaczenia")
logger.logError(NAME + e.message)
for singleModule in modules["HOST_DC"]:
singleModule.execute(paramsDictionary, None)
return apache.HTTP_OK
#1000100100000000 - Ping frame in binary with no data
#1000101000000000 - Pong frame in binary with no data
def web_socket_transfer_data(request):
paramsDictionary = {}
paramsDictionary["REQUEST"] = request
paramsDictionary["SOCKET"] = request.ws_stream
paramsDictionary["HOME_PATH"] = request.get_options()["PROJECT_LOCATION"]
loader = ModulesLoader()
modules = loader.loadModules(paramsDictionary["HOME_PATH"]+"ServerSide/config/modules.ext")
paramsDictionary["MODULES"] = modules
logger.logInfo(NAME+ "Serwer wczytal moduly")
configReader = ConfigurationReader(paramsDictionary["HOME_PATH"]+"ServerSide/config/runParams.conf")
runParams = configReader.readConfigFile()
if modules.has_key("BEFORE_CONNECT"):
for singleModule in modules["BEFORE_CONNECT"]:
singleModule.execute(paramsDictionary, None)
firstTimeIteration = True
file = FileProcessor(paramsDictionary["HOME_PATH"]+"ServerSide/config/addresses.conf")
while True:
if modules.has_key("BEFORE_CONNECT_PERIODIC"):
for singleModule in modules["BEFORE_CONNECT_PERIODIC"]:
singleModule.execute(paramsDictionary, None)
try:
file.lockFile()
addresses = file.readFile()
file.unlockFile()
for key in addresses:
try:
file.lockFile()
tempAddresses = file.readFile()
if( tempAddresses[key] == 'F' ):
connection = Connection(request.get_options()["PROJECT_LOCATION"]+"ServerSide/config/connection_config.conf")
if( connection.connect(key,80, RESOURCE) != ERROR ):
logger.logInfo(NAME+ "Polaczenie z " + key + " nawiazane")
connection.send_message(PING)
logger.logInfo(NAME+ "Wysylanie pingu z metody startowej")
expectedPong = connection.get_message()
logger.logInfo(NAME + "Oczekiwano PONG, Otrzymano " + expectedPong)
if expectedPong == PONG:
logger.logInfo(NAME+ "Metoda startowa otrzymala odpowiedz, zamykanie polaczenia")
connection._do_closing_handshake()
logger.logInfo(NAME + "########### polaczenie zakonczone, zapisywanie pliku adresowego")
tempAddresses[key] = 'T'
file.writeToFile(tempAddresses)
logger.logInfo(NAME + "Zapisano zmiany do pliku adresowego")
else:
logger.logError(NAME+ "Serwer " + key + " nie odpowiedzial na PING, zrywanie polaczenia")
else:
logger.logError(NAME+ "Nie moge polaczyc sie z " + key)
file.unlockFile()
except Exception, e:
logger.logError(NAME + e.message)
file.unlockFile()
except Exception, e:
logger.logError(NAME + e.message)
file.unlockFile()
continue
file.unlockFile()
if firstTimeIteration == True:
firstTimeIteration = False
if modules.has_key("AFTER_CONNECT"):
for singleModule in modules["AFTER_CONNECT"]:
singleModule.execute(paramsDictionary, None)
if modules.has_key("AFTER_CONNECT_PERIODIC"):
for singleModule in modules["AFTER_CONNECT_PERIODIC"]:
singleModule.execute(paramsDictionary, None)
logger.logInfo(NAME+ "Serwer rozpoczyna czeanie na kolejna ture sprawdzania")
time.sleep(int(runParams["ConnectionCheckPeriod"]))
logger.logInfo(NAME+ "Serwer wznawia sprawdzanie")
