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package main
/*
* 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
*
* http://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.
*/
import (
"context"
"crypto/tls"
"fmt"
"tutorial"
"github.com/apache/thrift/lib/go/thrift"
)
var defaultCtx = context.Background()
func handleClient(client *tutorial.CalculatorClient) (err error) {
client.Ping(defaultCtx)
fmt.Println("ping()")
sum, _ := client.Add(defaultCtx, 1, 1)
fmt.Print("1+1=", sum, "\n")
work := tutorial.NewWork()
work.Op = tutorial.Operation_DIVIDE
work.Num1 = 1
work.Num2 = 0
quotient, err := client.Calculate(defaultCtx, 1, work)
if err != nil {
switch v := err.(type) {
case *tutorial.InvalidOperation:
fmt.Println("Invalid operation:", v)
default:
fmt.Println("Error during operation:", err)
}
} else {
fmt.Println("Whoa we can divide by 0 with new value:", quotient)
}
work.Op = tutorial.Operation_SUBTRACT
work.Num1 = 15
work.Num2 = 10
diff, err := client.Calculate(defaultCtx, 1, work)
if err != nil {
switch v := err.(type) {
case *tutorial.InvalidOperation:
fmt.Println("Invalid operation:", v)
default:
fmt.Println("Error during operation:", err)
}
return err
} else {
fmt.Print("15-10=", diff, "\n")
}
log, err := client.GetStruct(defaultCtx, 1)
if err != nil {
fmt.Println("Unable to get struct:", err)
return err
} else {
fmt.Println("Check log:", log.Value)
}
return err
}
func runClient(transportFactory thrift.TTransportFactory, protocolFactory thrift.TProtocolFactory, addr string, secure bool) error {
var transport thrift.TTransport
var err error
if secure {
cfg := new(tls.Config)
cfg.InsecureSkipVerify = true
transport, err = thrift.NewTSSLSocket(addr, cfg)
} else {
transport, err = thrift.NewTSocket(addr)
}
if err != nil {
fmt.Println("Error opening socket:", err)
return err
}
transport, err = transportFactory.GetTransport(transport)
if err != nil {
return err
}
defer transport.Close()
if err := transport.Open(); err != nil {
return err
}
iprot := protocolFactory.GetProtocol(transport)
oprot := protocolFactory.GetProtocol(transport)
return handleClient(tutorial.NewCalculatorClient(thrift.NewTStandardClient(iprot, oprot)))
}
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