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# ``twisted`.`trial`.`_dist`.`worker`.`LocalWorkerAMP``

class documentation

`class LocalWorkerAMP(AMP): (source)`

View In Hierarchy

Local implementation of the manager commands.

Method | `addError` | Add an error to the reporter.
Method | `addExpectedFailure` | Add an expected failure to the reporter.
Method | `addFailure` | Add a failure to the reporter.
Method | `addSkip` | Add a skip to the reporter.
Method | `addSuccess` | Add a success to the reporter.
Method | `addUnexpectedSuccess` | Add an unexpected success to the reporter.
Method | `run` | Run a test.
Method | `setTestStream` | Set the stream used to log output from tests.
Method | `testWrite` | Print test output from the worker.
Method | `_buildFailure` | Helper to build a `Failure` with some traceback.
Method | `_stopTest` | Stop the current running test case, forwarding the result.
Instance Variable | `_result` | Undocumented
Instance Variable | `_testCase` | Undocumented
Instance Variable | `_testStream` | Undocumented

Inherited from `AMP`:

Method | `__init__` | Undocumented
Method | `__repr__` | A verbose string representation which gives us information about this AMP connection.
Method | `connectionLost` | Emit a helpful log message when the connection is lost.
Method | `locateResponder` | Unify the implementations of `CommandLocator` and `SimpleStringLocator` to perform both kinds of dispatch, preferring `CommandLocator`.
Method | `makeConnection` | Emit a helpful log message when the connection is made.
Instance Variable | `transport` | Undocumented
Instance Variable | `_ampInitialized` | Undocumented
Instance Variable | `_transportHost` | Undocumented
Instance Variable | `_transportPeer` | Undocumented

Inherited from `BinaryBoxProtocol` (via `AMP`):

Method | `dataReceived` | Either parse incoming data as `AmpBox`es or relay it to our nested protocol.
Method | `lengthLimitExceeded` | The key length limit was exceeded. Disconnect the transport and make sure a meaningful exception is reported.
Method | `proto_init` | String received in the 'init' state.
Method | `proto_key` | String received in the 'key' state. If the key is empty, a complete box has been received.
Method | `proto_value` | String received in the 'value' state.
Method | `sendBox` | Send a amp.Box to my peer.
Method | `unhandledError` | The buck stops here. This error was completely unhandled, time to terminate the connection.
Class Variable | `noPeerCertificate` | Undocumented
Instance Variable | `boxReceiver` | an `IBoxReceiver` provider, whose `IBoxReceiver.ampBoxReceived` method will be invoked for each `AmpBox` that is received.
Instance Variable | `hostCertificate` | Undocumented
Instance Variable | `innerProtocol` | Undocumented
Instance Variable | `innerProtocolClientFactory` | Undocumented
Instance Variable | `MAX_LENGTH` | Undocumented
Instance Variable | `recvd` | Undocumented
Property | `peerCertificate` | Undocumented
Method | `_defaultStartTLSResponder` | The default TLS responder doesn't specify any certificate or anything.
Method | `_lockForSwitch` | Lock this binary protocol so that no further boxes may be sent. This is used when sending a request to switch underlying protocols. You probably want to subclass ProtocolSwitchCommand rather than calling this directly.
Method | `_prepareTLS` | Used by StartTLSCommand to put us into the state where we don't actually send things that get sent, instead we buffer them. see `_sendBoxCommand`.
Method | `_startTLS` | Used by TLSBox to initiate the SSL handshake.
Method | `_switchTo` | Switch this BinaryBoxProtocol's transport to a new protocol. You need to do this 'simultaneously' on both ends of a connection; the easiest way to do this is to use a subclass of ProtocolSwitchCommand.
Method | `_unlockFromSwitch` | Unlock this locked binary protocol so that further boxes may be sent again. This is used after an attempt to switch protocols has failed for some reason.
Constant | `_MAX_KEY_LENGTH` | Undocumented
Constant | `_MAX_VALUE_LENGTH` | Undocumented
Instance Variable | `_currentBox` | Undocumented
Instance Variable | `_currentKey` | Undocumented
Instance Variable | `_justStartedTLS` | Undocumented
Instance Variable | `_keyLengthLimitExceeded` | A flag which is only true when the connection is being closed because a key length prefix which was longer than allowed by the protocol was received.
Instance Variable | `_locked` | Undocumented
Instance Variable | `_startingTLSBuffer` | Undocumented

Inherited from `StatefulStringProtocol` (via `AMP`, `BinaryBoxProtocol`):

Method | `stringReceived` | Choose a protocol phase function and call it.
Instance Variable | `state` | Current state of the protocol. Defaults to `'init'`.

Inherited from `Int16StringReceiver` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`):

Class Variable | `prefixLength` | Undocumented
Class Variable | `structFormat` | Undocumented

Inherited from `IntNStringReceiver` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`):

Method | `sendString` | Send a prefixed string to the other end of the connection.
Instance Variable | `_compatibilityOffset` | the offset within `_unprocessed` to the next message to be parsed. (used to generate the recvd attribute)
Instance Variable | `_unprocessed` | bytes received, but not yet broken up into messages / sent to stringReceived. _compatibilityOffset must be updated when this value is updated so that the `recvd` attribute can be generated correctly.

Inherited from `Protocol` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`, `IntNStringReceiver`):

Method | `logPrefix` | Return a prefix matching the class name, to identify log messages related to this protocol instance.
Class Variable | `factory` | Undocumented

Inherited from `BaseProtocol` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`, `IntNStringReceiver`, `Protocol`):

Method | `connectionMade` | Called when a connection is made.
Instance Variable | `connected` | Undocumented

Inherited from `_PauseableMixin` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`, `IntNStringReceiver`, `Protocol`, `BaseProtocol`):

Method | `pauseProducing` | Undocumented
Method | `resumeProducing` | Undocumented
Method | `stopProducing` | Undocumented
Instance Variable | `paused` | Undocumented

Inherited from `_DescriptorExchanger` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`, `IntNStringReceiver`, `Protocol`, `BaseProtocol`, `_PauseableMixin`):

Method | `fileDescriptorReceived` | Collect received file descriptors to be claimed later by `Descriptor`.
Method | `_sendFileDescriptor` | Assign and return the next ordinal to the given descriptor after sending the descriptor over this protocol's transport.
Instance Variable | `_descriptors` | Temporary storage for all file descriptors received. Values in this dictionary are the file descriptors (as integers). Keys in this dictionary are ordinals giving the order in which each descriptor was received...
Instance Variable | `_getDescriptor` | Undocumented
Instance Variable | `_receivingDescriptorCounter` | A no-argument callable which returns the ordinals, starting from 0. This is used to construct values for `fileDescriptorReceived`.
Instance Variable | `_sendingDescriptorCounter` | A no-argument callable which returns the ordinals, starting from 0. This is used to construct values for `_sendFileDescriptor`.

Inherited from `BoxDispatcher` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`, `IntNStringReceiver`, `Protocol`, `BaseProtocol`, `_PauseableMixin`, `_DescriptorExchanger`):

Method | `ampBoxReceived` | An AmpBox was received, representing a command, or an answer to a previously issued command (either successful or erroneous). Respond to it according to its contents.
Method | `callRemote` | This is the primary high-level API for sending messages via AMP. Invoke it with a command and appropriate arguments to send a message to this connection's peer.
Method | `callRemoteString` | This is a low-level API, designed only for optimizing simple messages for which the overhead of parsing is too great.
Method | `dispatchCommand` | A box with a _command key was received.
Method | `failAllOutgoing` | Call the errback on all outstanding requests awaiting responses.
Method | `startReceivingBoxes` | The given boxSender is going to start calling boxReceived on this `BoxDispatcher`.
Method | `stopReceivingBoxes` | No further boxes will be received here. Terminate all currently outstanding command deferreds with the given reason.
Instance Variable | `boxSender` | an object which can send boxes, via the `_sendBoxCommand` method, such as an `AMP` instance.
Instance Variable | `locator` | an object with a `CommandLocator.locateResponder` method that locates a responder function that takes a Box and returns a result (either a Box or a Deferred which fires one).
Method | `_answerReceived` | An AMP box was received that answered a command previously sent with `callRemote`.
Method | `_commandReceived` | No summary
Method | `_errorReceived` | An AMP box was received that answered a command previously sent with `callRemote`, with an error.
Method | `_nextTag` | Generate protocol-local serial numbers for _ask keys.
Method | `_safeEmit` | Emit a box, ignoring `ProtocolSwitched` and `ConnectionLost` errors which cannot be usefully handled.
Method | `_sendBoxCommand` | Send a command across the wire with the given `amp.Box`.
Class Variable | `_counter` | Undocumented
Instance Variable | `_failAllReason` | Undocumented
Instance Variable | `_outstandingRequests` | a dictionary mapping request IDs to `Deferred`s which were returned for those requests.

Inherited from `CommandLocator` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`, `IntNStringReceiver`, `Protocol`, `BaseProtocol`, `_PauseableMixin`, `_DescriptorExchanger`, `BoxDispatcher`):

Method | `lookupFunction` | Deprecated synonym for `CommandLocator.locateResponder`
Method | `_wrapWithSerialization` | Wrap aCallable with its command's argument de-serialization and result serialization logic.

Inherited from `SimpleStringLocator` (via `AMP`, `BinaryBoxProtocol`, `StatefulStringProtocol`, `Int16StringReceiver`, `IntNStringReceiver`, `Protocol`, `BaseProtocol`, `_PauseableMixin`, `_DescriptorExchanger`, `BoxDispatcher`, `CommandLocator`):

Class Variable | `baseDispatchPrefix` | Undocumented

def addError(self, testName, error, errorClass, frames): (source)

Add an error to the reporter.

def addExpectedFailure(self, testName, error, todo): (source)

Add an expected failure to the reporter.

def addFailure(self, testName, fail, failClass, frames): (source)

Add a failure to the reporter.

def addSkip(self, testName, reason): (source)

Add a skip to the reporter.

def addSuccess(self, testName): (source)

Add a success to the reporter.

def addUnexpectedSuccess(self, testName, todo): (source)

Add an unexpected success to the reporter.

def run(self, testCase, result): (source)

Run a test.

def setTestStream(self, stream): (source)

Set the stream used to log output from tests.

def testWrite(self, out): (source)

Print test output from the worker.

def _buildFailure(self, error, errorClass, frames): (source)

Helper to build a `Failure` with some traceback.

Parameters
error | An `Exception` instance.
errorClass | The class name of the `error` class.
frames | A flat list of strings representing the information need to approximatively rebuild `Failure` frames.
Returns
A `Failure` instance with enough information about a test error.

def _stopTest(self, result): (source)

Stop the current running test case, forwarding the result.

_result = (source)

Undocumented

_testCase = (source)

Undocumented

_testStream = (source)

Undocumented