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Driver.go
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Driver.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package simulated
import (
"context"
"github.com/apache/plc4x/plc4go/spi/options"
"github.com/rs/zerolog"
"net/url"
"github.com/apache/plc4x/plc4go/pkg/api"
_default "github.com/apache/plc4x/plc4go/spi/default"
"github.com/apache/plc4x/plc4go/spi/transports"
)
type Driver struct {
_default.DefaultDriver
valueHandler ValueHandler
log zerolog.Logger
_options []options.WithOption // Used to pass them downstream
}
func NewDriver(_options ...options.WithOption) plc4go.PlcDriver {
customLogger := options.ExtractCustomLoggerOrDefaultToGlobal(_options...)
driver := &Driver{
valueHandler: NewValueHandler(),
log: customLogger,
_options: _options,
}
driver.DefaultDriver = _default.NewDefaultDriver(driver, "simulated", "Simulated PLC4X Datasource", "none", NewTagHandler())
return driver
}
func (d *Driver) GetConnectionWithContext(ctx context.Context, _ url.URL, _ map[string]transports.Transport, driverOptions map[string][]string) <-chan plc4go.PlcConnectionConnectResult {
connection := NewConnection(
NewDevice(
"test",
append(d._options, options.WithCustomLogger(d.log))...,
),
d.GetPlcTagHandler(),
d.valueHandler,
driverOptions,
append(d._options, options.WithCustomLogger(d.log))...,
)
d.log.Debug().Stringer("connection", connection).Msg("Connecting and returning connection")
return connection.ConnectWithContext(ctx)
}
// SupportsDiscovery returns true if this driver supports discovery
// TODO: Actually the connection could support discovery to list up all tags in the Device
func (d *Driver) SupportsDiscovery() bool {
return false
}