Beispiel #1
0
    def close(self, noreply_wait=False, token=None, exception=None):
        self._closing = True
        if exception is not None:
            err_message = "Connection is closed (%s)." % str(exception)
        else:
            err_message = "Connection is closed."

        # Cursors may remove themselves when errored, so copy a list of them
        for cursor in list(self._cursor_cache.values()):
            cursor._error(err_message)

        for query, future in iter(self._user_queries.values()):
            if not future.done():
                future.set_exception(ReqlDriverError(err_message))

        self._user_queries = {}
        self._cursor_cache = {}

        if noreply_wait:
            noreply = Query(pQuery.NOREPLY_WAIT, token, None, None)
            yield from self.run_query(noreply, False)

        self._streamwriter.close()
        # We must not wait for the _reader_task if we got an exception, because that
        # means that we were called from it. Waiting would lead to a deadlock.
        if self._reader_task and exception is None:
            yield from self._reader_task

        return None
Beispiel #2
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    def close(self, noreply_wait=False, token=None, exception=None):
        d = defer.succeed(None)
        self._closing = True
        error_message = "Connection is closed"
        if exception is not None:
            error_message = "Connection is closed (reason: {exc})".format(
                exc=str(exception))

        for cursor in list(self._cursor_cache.values()):
            cursor._error(error_message)

        for query, deferred in iter(self._user_queries.values()):
            if not deferred.called:
                deferred.errback(fail=ReqlDriverError(error_message))

        self._user_queries = {}
        self._cursor_cache = {}

        if noreply_wait:
            noreply = Query(pQuery.NOREPLY_WAIT, token, None, None)
            d = self.run_query(noreply, False)

        def closeConnection(res):
            self._connection.transport.loseConnection()
            return res

        return d.addBoth(closeConnection)
Beispiel #3
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    def close(self, noreply_wait=False, token=None, exception=None):
        self._closing = True
        if exception is not None:
            err_message = "Connection is closed (%s)." % str(exception)
        else:
            err_message = "Connection is closed."

        # Cursors may remove themselves when errored, so copy a list of them
        for cursor in list(self._cursor_cache.values()):
            cursor._error(err_message)

        for query, future in iter(self._user_queries.values()):
            future.set_exception(ReqlDriverError(err_message))

        self._user_queries = {}
        self._cursor_cache = {}

        if noreply_wait:
            noreply = Query(pQuery.NOREPLY_WAIT, token, None, None)
            yield self.run_query(noreply, False)

        try:
            self._stream.close()
        except iostream.StreamClosedError:
            pass
        raise gen.Return(None)
Beispiel #4
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    async def close(self, noreply_wait=False, token=None, exception=None):
        self._closing = True
        if exception is not None:
            err_message = "Connection is closed (%s)." % str(exception)
        else:
            err_message = "Connection is closed."

        # Cursors may remove themselves when errored, so copy a list of them
        for cursor in list(self._cursor_cache.values()):
            cursor._error(err_message)

        for _, future in self._user_queries.values():
            if not future.done():
                future.set_exception(ReqlDriverError(err_message))

        self._user_queries = {}
        self._cursor_cache = {}

        if noreply_wait:
            noreply = Query(P_QUERY.NOREPLY_WAIT, token, None, None)
            await self.run_query(noreply, False)

        try:
            await self._stream.aclose()
        except (trio.ClosedResourceError, trio.BrokenResourceError):
            pass
        # We must not wait for the _reader_task if we got an exception, because that
        # means that we were called from it. Waiting would lead to a deadlock.
        if self._reader_ended_event:
            await self._reader_ended_event.wait()

        return None
    def _start(self, term, **global_optargs):
        # Set global opt args
        # The 'db' option will default to this connection's default
        # if not otherwise specified.
        if 'db' in global_optargs:
            global_optargs['db'] = DB(global_optargs['db'])
        else:
            if self.db:
                global_optargs['db'] = DB(self.db)

        # Construct query
        query = Query(pQuery.START, self.next_token, term, global_optargs)
        self.next_token += 1
        return self._send_query(query, global_optargs)
Beispiel #6
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def start_query(term, token, options):
    return Query(pQuery.START, token, term, options)
Beispiel #7
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 def _stop(self, cursor):
     self.check_open()
     q = Query(pQuery.STOP, cursor.query.token, None, None)
     return (yield from self._instance.run_query(q, True))
Beispiel #8
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 async def _stop(self, cursor):
     self.check_open()
     query = Query(P_QUERY.STOP, cursor.query.token, None, None)
     return await self._instance.run_query(query, True)
 def end_query(self, query, opts):
     query = Query(pQuery.STOP, query.token, None, None)
     return self._send_query(query, opts)
Beispiel #10
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 def continue_query(self, query, opts):
     q = Query(pQuery.CONTINUE, query.token, None, None)
     return self._send_query(q, opts)