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# *****************************************************************************
# * Copyright (c) 2011, 2013-2014, 2016 Wind River Systems, Inc. and others.
# * All rights reserved. This program and the accompanying materials
# * are made available under the terms of the Eclipse Public License 2.0
# * which accompanies this distribution, and is available at
# * https://www.eclipse.org/legal/epl-2.0/
# *
# * Contributors:
# *     Wind River Systems - initial API and implementation
# *****************************************************************************

import time
from .. import diagnostics
from ... import errors
from ...channel.Command import Command


class DiagnosticsProxy(diagnostics.DiagnosticsService):
    def __init__(self, channel):
        self.channel = channel

    def echo(self, s, done):
        done = self._makeCallback(done)
        service = self

        class EchoCommand(Command):
            def __init__(self):
                super(EchoCommand, self).__init__(service.channel, service,
                                                  "echo", (s,))

            def done(self, error, args):
                result = None
                if not error:
                    assert len(args) == 1
                    result = args[0]
                done.doneEcho(self.token, error, result)
        return EchoCommand().token

    def echoFP(self, n, done):
        done = self._makeCallback(done)
        service = self

        class EchoFPCommand(Command):
            def __init__(self):
                super(EchoFPCommand, self).__init__(service.channel, service,
                                                    "echoFP", (n,))

            def done(self, error, args):
                n = None
                if not error:
                    assert len(args) == 1
                    n = args[0]
                done.doneEchoFP(self.token, error, n)
        return EchoFPCommand().token

    def echoERR(self, err, done):
        errMap = None
        if isinstance(err, errors.ErrorReport):
            errMap = err.getAttributes()
        else:
            # Exception.message does not exist in python3, better use
            # str(Exception)

            errMap = {
                errors.ERROR_TIME: int(time.time() * 1000),
                errors.ERROR_CODE: errors.TCF_ERROR_OTHER,
                errors.ERROR_FORMAT: str(err)
            }
        done = self._makeCallback(done)
        service = self

        class EchoERRCommand(Command):
            def __init__(self):
                super(EchoERRCommand, self).__init__(service.channel, service,
                                                     "echoERR", (errMap,))

            def done(self, error, args):
                err = None
                result = None
                if not error:
                    assert len(args) == 2
                    err = self.toError(args[0])
                    result = args[1]
                done.doneEchoERR(self.token, error, err, result)
        return EchoERRCommand().token

    def getTestList(self, done):
        done = self._makeCallback(done)
        service = self

        class GetTestListCommand(Command):
            def __init__(self):
                super(GetTestListCommand, self).__init__(service.channel,
                                                         service,
                                                         "getTestList", None)

            def done(self, error, args):
                arr = None
                if not error:
                    assert len(args) == 2
                    error = self.toError(args[0])
                    arr = args[1]
                done.doneGetTestList(self.token, error, arr)
        return GetTestListCommand().token

    def runTest(self, s, done):
        done = self._makeCallback(done)
        service = self

        class RunTestCommand(Command):
            def __init__(self):
                super(RunTestCommand, self).__init__(service.channel, service,
                                                     "runTest", (s,))

            def done(self, error, args):
                result = None
                if not error:
                    assert len(args) == 2
                    error = self.toError(args[0])
                    result = args[1]
                done.doneRunTest(self.token, error, result)
        return RunTestCommand().token

    def cancelTest(self, s, done):
        done = self._makeCallback(done)
        service = self

        class CancelTestCommand(Command):
            def __init__(self):
                super(CancelTestCommand, self).__init__(service.channel,
                                                        service, "cancelTest",
                                                        (s,))

            def done(self, error, args):
                if not error:
                    assert len(args) == 1
                    error = self.toError(args[0])
                done.doneCancelTest(self.token, error)
        return CancelTestCommand().token

    def getSymbol(self, context_id, symbol_name, done):
        done = self._makeCallback(done)
        service = self

        class GetSymbolCommand(Command):
            def __init__(self):
                super(GetSymbolCommand, self).__init__(service.channel,
                                                       service, "getSymbol",
                                                       (context_id,
                                                        symbol_name))

            def done(self, error, args):
                sym = None
                if not error:
                    assert len(args) == 2
                    error = self.toError(args[0])
                    sym = _toSymbol(args[1])
                done.doneGetSymbol(self.token, error, sym)
        return GetSymbolCommand().token

    def createTestStreams(self, inp_buf_size, out_buf_size, done):
        done = self._makeCallback(done)
        service = self

        class CreateTestStreamsCommand(Command):
            def __init__(self):
                super(CreateTestStreamsCommand,
                      self).__init__(service.channel, service,
                                     "createTestStreams",
                                     (inp_buf_size, out_buf_size))

            def done(self, error, args):
                inp_id = None
                out_id = None
                if not error:
                    assert len(args) == 3
                    error = self.toError(args[0])
                    inp_id = args[1]
                    out_id = args[2]
                done.doneCreateTestStreams(self.token, error, inp_id, out_id)
        return CreateTestStreamsCommand().token

    def disposeTestStream(self, streamID, done):
        done = self._makeCallback(done)
        service = self

        class DisposeTestStreamCommand(Command):
            def __init__(self):
                super(DisposeTestStreamCommand,
                      self).__init__(service.channel, service,
                                     "disposeTestStream", (streamID,))

            def done(self, error, args):
                if not error:
                    assert len(args) == 1
                    error = self.toError(args[0])
                done.doneDisposeTestStream(self.token, error)
        return DisposeTestStreamCommand().token

    def not_implemented_command(self, done):
        done = self._makeCallback(done)
        service = self

        class NotImplementedCommand(Command):
            def __init__(self):
                super(NotImplementedCommand,
                      self).__init__(service.channel, service,
                                     "not implemented command", None)

            def done(self, error, args):
                done.doneNotImplementedCommand(self.token, error)
        return NotImplementedCommand().token


def _toSymbol(o):
    if o is None:
        return None
    return diagnostics.Symbol(o)

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