Class: Azure::Storage::Queue::QueueService

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Support for the Ruby 2. See here for details. This class also has, through delegation, all the methods of a socket object by default, a TCPSocketbut can be set by the Proxy option to new. This provides methods such as close to end the session and sysread to read data directly from the host, instead of via the waitfor mechanism.

Set optionstimeout to a higher value that if you do use sysread directly when in telnet mode, you should probably pass the output through preprocess to extract telnet command sequences.

The telnet protocol allows a client to login remotely to a user account on a server and execute commands via a shell. The equivalent is done by creating a Net:: Telnet class with the Host option set to your host, calling login set optionstimeout to a higher value your user and password, issuing one or more cmd calls, and then calling close to end the session.

The waitforprintputsand write methods, which cmd is implemented on top of, are only needed if you are doing something more complicated. In this case, you normally want to provide set optionstimeout to a higher value Port option to specify the port to connect to, and set the Telnetmode option to false to prevent the client from attempting to interpret telnet command sequences.

Generally, login will not work with other protocols, and you have to handle authentication yourself. For some protocols, it will be possible to specify the Prompt option once when you create the Telnet object and use cmd calls; for others, you will have to specify the response sequence to look for as the Match option to every cmd call, or call puts and waitfor directly; for yet others, you will have to use sysread instead of waitfor and parse server set optionstimeout to a higher value yourself.

It is worth noting that when you create a new Net:: Telnet object, you can supply a proxy IO channel via the Proxy option. Set optionstimeout to a higher value can be used to attach the Telnet object to other Telnet objects, to already open sockets, or to any read-write IO object.

This can be useful, for instance, for setting up a test fixture for unit testing. There are a large number of RFCs relevant to the Telnet protocol. RFCs define the base protocol. For a complete listing of relevant RFCs, see www. The socket the Telnet object is using. Note that this object becomes a delegate of the Telnet object, so normally you invoke its methods directly on the Telnet object.

Attempts to connect to the host unless the Proxy option is provided: If a block is provided, it is yielded status messages on the attempt to connect to the server, of the form:. The following example lists all options and their default values. If true, this substitution is not performed. This value can also be set with the binmode method.

The outgoing conversion only applies to the puts and print methods, not the write method. In the case of a proper Telnet session, this will include the client input as echoed by the host; otherwise, it only includes server responses.

Output is appended verbatim to this file. By default, no output log is kept. By default, not dump log is kept. This is needed by the Telnet class to determine when the output from set optionstimeout to a higher value command has finished and the host is ready to receive a new command.

In telnet mode, traffic received from the host is parsed for special command sequences, and these sequences are escaped in outgoing traffic sent using puts or print but not write. If you are using the Net:: This value can also be set by the telnetmode method. OpenTimeout, and all attempts to read data from the host, which raises a Net:: ReadTimeout in waitforcmdand login. The default value is 10 seconds. You can disable the timeout by setting this value to false. In this case, the connect attempt will eventually timeout on the underlying connect 2 socket call with an Errno:: ETIMEDOUT error but generally only after a few minutesbut other attempts to read data from the host will hang indefinitely if no data is forthcoming.

If more data does arrive in this time, Net:: Telnet assumes that what it saw was not really a prompt. This is to try to avoid false matches, but it can also lead to missing real prompts if, for instance, a background process writes to the terminal soon after the prompt is displayed. By default, set to 0, meaning not to wait for more data. Must be either another Net:: Telnet object or an IO object.

If it is another Net:: Telnet object, this instance will use that one's socket for communication. If an IO object, it is used directly for communication. Any other kind of object will cause an error to be raised. More exactly, sends a string to the host, and reads in all received data until is sees the prompt or other matched sequence. If a block is given, the received data will be yielded to it as it is read in. Whether a block is given or not, the received data will be return as a string.

Note that set optionstimeout to a higher value received data includes the prompt and in most cases the host's echo of our command. If a hash, the following options can be specified:. If not specified, the Timeout option value specified when this instance was created will be used, or, failing that, the default value of 10 seconds. If the login sequence does not follow this pattern for instance, you are connecting to a service other than telnetyou will need to handle login yourself.

The method returns all data received during the login process from the host, including the echoed username but not the password which the host should not echo. If a block is passed in, this received data is also yielded to the block as it is received. Performs newline conversion and detects telnet command sequences. Called automatically by waitfor. You should only use this method yourself if you have read input set optionstimeout to a higher value using sysread or similar, and even then only if in telnet mode.

This does not automatically append a newline to the string. Embedded newlines may be converted and telnet command sequences escaped depending upon the values of set optionstimeout to a higher value, binmode, and telnet options set by the host. It should be on for true telnet sessions, off if using Net:: Telnet to connect to a non-telnet service such as SMTP.

Turn telnet command interpretation on true or off false. If a block is given, the received data will be yielded as it is read in not necessarily all in one goor nil if EOF occurs before any data is received. Whether a block is given or not, all data read will be returned in a single string, or again nil if EOF occurs before any data is received.

Note that received data includes the matched sequence we were looking for. If a regular expression, this specifies the data to wait for. If a hash, this can specify the following options:. Used only set optionstimeout to a higher value Match set optionstimeout to a higher value Prompt are not specified.

If set to false, no timeout will occur. If more data arrives within this time, we will judge ourselves not to have matched successfully, and will continue trying to match. If not specified, the Waittime option value specified when this instance was created will be used, or, failing that, the default value of 0 seconds, which means not to wait for more input. Otherwise, defaults to the old behaviour that the function will return whatever data has been received already, or nil if nothing was received.

Does not perform any conversions on string. Telnet No matching classes. Public Class Methods new options click to toggle source. Creates a new Net:: If a block is provided, it is yielded status messages on the attempt to connect set optionstimeout to a higher value the server, of the form: Telnet or IO object The options have the following meanings: Host the hostname or IP address of the host to connect to, as a String.

Port the port to connect to. Binmode if false the defaultnewline substitution is performed. Prompt a regular expression matching the host's command-line prompt sequence. Telnetmode a boolean value, true by default. Timeout the number of seconds to wait before timing out both the initial set optionstimeout to a higher value to connect to host in this constructorwhich raises a Net:: Waittime the set optionstimeout to a higher value of time to wait after seeing what looks like a prompt that is, received data that matches the Prompt option regular expression to see if more data arrives.

Proxy a proxy object to used instead of opening a direct connection to the host. Proxy must be an instance of Net:: OpenTimeout"timed out while und so die binare optionen wirklich a connection to the host" rescue log. Turn newline conversion on false or off true. Send a command to the host.

If a hash, the following options can be specified: String the command or other string to send to the host. Match a regular expression, the sequence to look for in the received data before returning.

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Retrieves one or more messages from the front of the queue, without changing the message visibility. If a queue contains a large number of messages, Clear Messages may time out before all messages have been deleted.

If the operation times out, the client should continue to retry Clear Messages until it succeeds, to ensure that all messages have been deleted. Provides a client-generated, opaque value with a 1 KB character limit that is recorded. Note that the message content must be in a format that may be encoded with UTF Specifies the new visibility timeout value, in seconds, relative to server. Specifies the time-to-live interval for the message, in seconds.

If set to true, the message will be base64 encoded. The valid pop receipt value returned from an earlier call to the Get Messages or. When a message is successfully deleted, it is immediately marked for deletion and is no longer accessible to clients.

The message is later removed from the queue during garbage collection. After a client retrieves a message with the Get Messages operation, the client is expected to process and delete the message. To delete the message, you must have two items of data returned in the response body of the Get Messages operation:.

The message ID is returned from the previous Get Messages operation. The pop receipt is returned from the most recent Get Messages or Update Message operation. In order for the Delete Message operation to succeed, the pop receipt specified on the request must match the pop receipt returned from the Get Messages or Update Message operation.

The message has been deleted using the last pop receipt received either from Get Messages or Update Message. The invisibility time has elapsed and the message has been dequeued by a Get Messages request. If it is retrieved by another Get Messages request, the returned pop receipt can be used to delete or update the message.

The message has been updated with a new visibility timeout. When the message is updated, a new pop receipt. If the message has already been deleted when Delete Message is called, the Queue service returns status code Not Found. If a message with a matching pop receipt is not found, the service returns status code Bad Request , with additional error information indicating that the cause of the failure was a mismatched pop receipt.

The approximate number of messages in the queue. This number is not lower than the actual number of messages in the queue, but could be higher. The new visibility timeout value, in seconds, relative to server time. How many messages to return. Boolean value indicating if the message should be base64 decoded. Specifies the maximum number of containers to return.

Specifies whether or not to return the container metadata. Metadata requested with the: Beginning with that version, all metadata names must adhere to the naming conventions for C identifiers. This may contain multiple values and be an Array vs a String if it only contains a single value.

A list of Azure:: Sets user-defined metadata on the queue. To delete queue metadata, call this API with an empty hash in the metadata parameter.

Note that the message content must be in a format that may. An Update Message operation will fail if the specified message does not exist in the queue, or if the specified pop receipt does not match the message. A pop receipt is returned by the Get Messages operation or the Update Message operation. Pop receipts remain valid until one of the following events occurs:. When the message is updated, a new pop. The Update Message operation can be used to continually extend the invisibility of a queue message.

For example, if a worker role calls Get Messages and recognizes that it needs more time to process a message, it can continually extend the message's invisibility until it is processed. If the worker role were to fail during processing, eventually the message would become visible again and another worker role could process it.

QueueService show all Defined in: Adds a message to the queue and optionally sets a visibility timeout for the message. Clears all messages from the queue. The name of the queue. A timeout in seconds. Provides a client-generated, opaque value with a 1 KB character limit that is recorded in the analytics logs when storage analytics logging is enabled. Specifies the new visibility timeout value, in seconds, relative to server time. The new value must be larger than or equal to 0, and cannot be larger than 7 days.

The visibility timeout of a message cannot be set to a value later than the expiry time. If not specified, the default value is 0. The maximum time-to-live allowed is 7 days. If not specified, the default time-to-live is 7 days.

Creates a new queue under the storage account. A hash of user defined metadata. Deletes a specified message from the queue. The id of the message. The valid pop receipt value returned from an earlier call to the Get Messages or Update Message operation.

To delete the message, you must have two items of data returned in the response body of the Get Messages operation: A valid pop receipt, an opaque value that indicates that the message has been retrieved. Pop receipts remain valid until one of the following events occurs: The message has expired. When the invisibility time elapses, the message becomes visible again. When the message is updated, a new pop receipt will be returned. Gets the access control list ACL for the queue.

Returns queue properties, including user-defined metadata. The queue metadata Default: Retrieves one or more messages from the front of the queue. Get a list of Queues from the server Attributes options - Hash. Filters the results to return only containers whose name begins with the specified prefix. An identifier the specifies the portion of the list to be returned. This value comes from the property Azure:: The marker value may then be used here to request the next set of list items.

If it is set to a value less than or equal to zero, the server will return status code Bad Request. Sets the access control list ACL for the queue.

A hash of user defined metadata options - Hash. The valid pop receipt value returned from an earlier call to the Get Messages or update Message operation. The pop receipt of the queue message. Generated on Sun Apr 8