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How to use _slave_hello method in autotest

Best Python code snippet using autotest_python

barrier.py

Source:barrier.py

...203                     name, addr[0], addr[1])204        # They seem to be valid record them.205        self._waiting[name] = connection206        self._seen += 1207    def _slave_hello(self, connection):208        (client, addr) = connection209        name = None210        client.settimeout(5)211        try:212            client.send(self._tag + " " + self._hostid)213            reply = client.recv(4)214            reply = reply.strip("\r\n")215            logging.info("master said: %s", reply)216            # Confirm the master accepted the connection.217            if reply != "wait":218                logging.warning("Bad connection request to master")219                client.close()220                return221        except socket.timeout:222            # This is nominally an error, but as we do not know223            # who that was we cannot do anything sane other224            # than report it and let the normal timeout kill225            # us when thats appropriate.226            logging.error("master handshake timeout: (%s:%d)",227                          addr[0], addr[1])228            client.close()229            return230        logging.info("slave now waiting: (%s:%d)", addr[0], addr[1])231        # They seem to be valid record them.232        self._waiting[self._hostid] = connection233        self._seen = 1234    def _master_release(self):235        # Check everyone is still there, that they have not236        # crashed or disconnected in the meantime.237        allpresent = True238        abort = self._abort239        for name in self._waiting:240            (client, addr) = self._waiting[name]241            logging.info("checking client present: %s", name)242            client.settimeout(5)243            reply = 'none'244            try:245                client.send("ping")246                reply = client.recv(1024)247            except socket.timeout:248                logging.warning("ping/pong timeout: %s", name)249                pass250            if reply == 'abrt':251                logging.warning("Client %s requested abort", name)252                abort = True253            elif reply != "pong":254                allpresent = False255        if not allpresent:256            raise error.BarrierError("master lost client")257        if abort:258            logging.info("Aborting the clients")259            msg = 'abrt'260        else:261            logging.info("Releasing clients")262            msg = 'rlse'263        # If every ones checks in then commit the release.264        for name in self._waiting:265            (client, addr) = self._waiting[name]266            client.settimeout(5)267            try:268                client.send(msg)269            except socket.timeout:270                logging.warning("release timeout: %s", name)271                pass272        if abort:273            raise BarrierAbortError("Client requested abort")274    def _waiting_close(self):275        # Either way, close out all the clients.  If we have276        # not released them then they know to abort.277        for name in self._waiting:278            (client, addr) = self._waiting[name]279            logging.info("closing client: %s", name)280            try:281                client.close()282            except:283                pass284    def _run_server(self, is_master):285        server = self._server or listen_server(port=self._port)286        failed = 0287        try:288            while True:289                try:290                    # Wait for callers welcoming each.291                    server.socket.settimeout(self._remaining())292                    connection = server.socket.accept()293                    if is_master:294                        self._master_welcome(connection)295                    else:296                        self._slave_hello(connection)297                except socket.timeout:298                    logging.warning("timeout waiting for remaining clients")299                    pass300                if is_master:301                    # Check if everyone is here.302                    logging.info("master seen %d of %d",303                                 self._seen, len(self._members))304                    if self._seen == len(self._members):305                        self._master_release()306                        break307                else:308                    # Check if master connected.309                    if self._seen:310                        logging.info("slave connected to master")311                        self._slave_wait()312                        break313        finally:314            self._waiting_close()315            # if we created the listening_server in the beginning of this316            # function then close the listening socket here317            if not self._server:318                server.close()319    def _run_client(self, is_master):320        while self._remaining() is None or self._remaining() > 0:321            try:322                remote = socket.socket(socket.AF_INET,323                        socket.SOCK_STREAM)324                remote.settimeout(30)325                if is_master:326                    # Connect to all slaves.327                    host = _get_host_from_id(self._members[self._seen])328                    logging.info("calling slave: %s", host)329                    connection = (remote, (host, self._port))330                    remote.connect(connection[1])331                    self._master_welcome(connection)332                else:333                    # Just connect to the master.334                    host = _get_host_from_id(self._masterid)335                    logging.info("calling master")336                    connection = (remote, (host, self._port))337                    remote.connect(connection[1])338                    self._slave_hello(connection)339            except socket.timeout:340                logging.warning("timeout calling host, retry")341                sleep(10)342                pass343            except socket.error, err:344                (code, str) = err345                if (code != errno.ECONNREFUSED and346                    code != errno.ETIMEDOUT):347                    raise348                sleep(10)349            if is_master:350                # Check if everyone is here.351                logging.info("master seen %d of %d",352                             self._seen, len(self._members))...

base_barrier.py

Source:base_barrier.py

...203                     name, addr[0], addr[1])204        # They seem to be valid record them.205        self._waiting[name] = connection206        self._seen += 1207    def _slave_hello(self, connection):208        (client, addr) = connection209        name = None210        client.settimeout(5)211        try:212            client.send(self._tag + " " + self._hostid)213            reply = client.recv(4)214            reply = reply.strip("\r\n")215            logging.info("master said: %s", reply)216            # Confirm the master accepted the connection.217            if reply != "wait":218                logging.warning("Bad connection request to master")219                client.close()220                return221        except socket.timeout:222            # This is nominally an error, but as we do not know223            # who that was we cannot do anything sane other224            # than report it and let the normal timeout kill225            # us when thats appropriate.226            logging.error("master handshake timeout: (%s:%d)",227                          addr[0], addr[1])228            client.close()229            return230        logging.info("slave now waiting: (%s:%d)", addr[0], addr[1])231        # They seem to be valid record them.232        self._waiting[self._hostid] = connection233        self._seen = 1234    def _master_release(self):235        # Check everyone is still there, that they have not236        # crashed or disconnected in the meantime.237        allpresent = True238        abort = self._abort239        for name in self._waiting:240            (client, addr) = self._waiting[name]241            logging.info("checking client present: %s", name)242            client.settimeout(5)243            reply = 'none'244            try:245                client.send("ping")246                reply = client.recv(1024)247            except socket.timeout:248                logging.warning("ping/pong timeout: %s", name)249                pass250            if reply == 'abrt':251                logging.warning("Client %s requested abort", name)252                abort = True253            elif reply != "pong":254                allpresent = False255        if not allpresent:256            raise error.BarrierError("master lost client")257        if abort:258            logging.info("Aborting the clients")259            msg = 'abrt'260        else:261            logging.info("Releasing clients")262            msg = 'rlse'263        # If every ones checks in then commit the release.264        for name in self._waiting:265            (client, addr) = self._waiting[name]266            client.settimeout(5)267            try:268                client.send(msg)269            except socket.timeout:270                logging.warning("release timeout: %s", name)271                pass272        if abort:273            raise BarrierAbortError("Client requested abort")274    def _waiting_close(self):275        # Either way, close out all the clients.  If we have276        # not released them then they know to abort.277        for name in self._waiting:278            (client, addr) = self._waiting[name]279            logging.info("closing client: %s", name)280            try:281                client.close()282            except:283                pass284    def _run_server(self, is_master):285        server = self._server or listen_server(port=self._port)286        failed = 0287        try:288            while True:289                try:290                    # Wait for callers welcoming each.291                    server.socket.settimeout(self._remaining())292                    connection = server.socket.accept()293                    if is_master:294                        self._master_welcome(connection)295                    else:296                        self._slave_hello(connection)297                except socket.timeout:298                    logging.warning("timeout waiting for remaining clients")299                    pass300                if is_master:301                    # Check if everyone is here.302                    logging.info("master seen %d of %d",303                                 self._seen, len(self._members))304                    if self._seen == len(self._members):305                        self._master_release()306                        break307                else:308                    # Check if master connected.309                    if self._seen:310                        logging.info("slave connected to master")311                        self._slave_wait()312                        break313        finally:314            self._waiting_close()315            # if we created the listening_server in the beginning of this316            # function then close the listening socket here317            if not self._server:318                server.close()319    def _run_client(self, is_master):320        while self._remaining() is None or self._remaining() > 0:321            try:322                remote = socket.socket(socket.AF_INET,323                        socket.SOCK_STREAM)324                remote.settimeout(30)325                if is_master:326                    # Connect to all slaves.327                    host = get_host_from_id(self._members[self._seen])328                    logging.info("calling slave: %s", host)329                    connection = (remote, (host, self._port))330                    remote.connect(connection[1])331                    self._master_welcome(connection)332                else:333                    # Just connect to the master.334                    host = get_host_from_id(self._masterid)335                    logging.info("calling master")336                    connection = (remote, (host, self._port))337                    remote.connect(connection[1])338                    self._slave_hello(connection)339            except socket.timeout:340                logging.warning("timeout calling host, retry")341                sleep(10)342                pass343            except socket.error, err:344                (code, str) = err345                if (code != errno.ECONNREFUSED):346                    raise347                sleep(10)348            if is_master:349                # Check if everyone is here.350                logging.info("master seen %d of %d",351                             self._seen, len(self._members))352                if self._seen == len(self._members):...

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