Package glue :: Module LDBDServer :: Class ServerHandler

Class ServerHandler

SocketServer.BaseRequestHandler --+
                                  |
                                 ServerHandler

An instance of this class is created to service each request of the server.

Instance Methods

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__reply__(self, code, msg)
Format and send a reply back down the socket to the client.

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handle(self)
This method does all the work of servicing a request to the server.

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insert(self, arg)

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insertdmt(self, arg)

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insertmap(self, arg)

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ping(self, arg)
Bounce back alive statment.

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query(self, arg)
Execute an SQL query on the database and return the result as LIGO_LW XML

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Inherited from SocketServer.BaseRequestHandler: __init__, finish, setup

Method Details

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reply(self, code, msg)

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Format and send a reply back down the socket to the client. The file representing the socket is closed at the end of this method.

Parameters:

code - integer representing the error code with 0 for success
msg - object to be passed back to the client, either a string or a list of items that can be represented by strings

Returns:

None

handle(self)

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This method does all the work of servicing a request to the server. See the documentation for the standard module SocketServer.

The input from the socket is parsed for the method with the remaining strings stripped of null bytes passed to the method in a list.

There are no parameters. When the instance of the class is created to process the request all necessary information is made attributes of the class instance.

Returns:: None
Overrides: SocketServer.BaseRequestHandler.handle

ping(self, arg)

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Bounce back alive statment. Corresponds to the PING method in the ldbdd RPC protocol.

Parameters:

arg - list (perhaps empty) of strings representing message sent by client to server

Returns:

None

query(self, arg)

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Execute an SQL query on the database and return the result as LIGO_LW XML

Parameters:

arg - a text string containing an SQL query to be executed

Returns:

None