/
simple_server.go
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/
simple_server.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
*
* 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.
*/
package thrift
import (
"log"
"runtime/debug"
)
// Simple, non-concurrent server for testing.
type TSimpleServer struct {
quit chan struct{}
processorFactory TProcessorFactory
serverTransport TServerTransport
inputTransportFactory TTransportFactory
outputTransportFactory TTransportFactory
inputProtocolFactory TProtocolFactory
outputProtocolFactory TProtocolFactory
}
func NewTSimpleServer2(processor TProcessor, serverTransport TServerTransport) *TSimpleServer {
return NewTSimpleServerFactory2(NewTProcessorFactory(processor), serverTransport)
}
func NewTSimpleServer4(processor TProcessor, serverTransport TServerTransport, transportFactory TTransportFactory, protocolFactory TProtocolFactory) *TSimpleServer {
return NewTSimpleServerFactory4(NewTProcessorFactory(processor),
serverTransport,
transportFactory,
protocolFactory,
)
}
func NewTSimpleServer6(processor TProcessor, serverTransport TServerTransport, inputTransportFactory TTransportFactory, outputTransportFactory TTransportFactory, inputProtocolFactory TProtocolFactory, outputProtocolFactory TProtocolFactory) *TSimpleServer {
return NewTSimpleServerFactory6(NewTProcessorFactory(processor),
serverTransport,
inputTransportFactory,
outputTransportFactory,
inputProtocolFactory,
outputProtocolFactory,
)
}
func NewTSimpleServerFactory2(processorFactory TProcessorFactory, serverTransport TServerTransport) *TSimpleServer {
return NewTSimpleServerFactory6(processorFactory,
serverTransport,
NewTTransportFactory(),
NewTTransportFactory(),
NewTBinaryProtocolFactoryDefault(),
NewTBinaryProtocolFactoryDefault(),
)
}
func NewTSimpleServerFactory4(processorFactory TProcessorFactory, serverTransport TServerTransport, transportFactory TTransportFactory, protocolFactory TProtocolFactory) *TSimpleServer {
return NewTSimpleServerFactory6(processorFactory,
serverTransport,
transportFactory,
transportFactory,
protocolFactory,
protocolFactory,
)
}
func NewTSimpleServerFactory6(processorFactory TProcessorFactory, serverTransport TServerTransport, inputTransportFactory TTransportFactory, outputTransportFactory TTransportFactory, inputProtocolFactory TProtocolFactory, outputProtocolFactory TProtocolFactory) *TSimpleServer {
return &TSimpleServer{
processorFactory: processorFactory,
serverTransport: serverTransport,
inputTransportFactory: inputTransportFactory,
outputTransportFactory: outputTransportFactory,
inputProtocolFactory: inputProtocolFactory,
outputProtocolFactory: outputProtocolFactory,
quit: make(chan struct{}, 1),
}
}
func (p *TSimpleServer) ProcessorFactory() TProcessorFactory {
return p.processorFactory
}
func (p *TSimpleServer) ServerTransport() TServerTransport {
return p.serverTransport
}
func (p *TSimpleServer) InputTransportFactory() TTransportFactory {
return p.inputTransportFactory
}
func (p *TSimpleServer) OutputTransportFactory() TTransportFactory {
return p.outputTransportFactory
}
func (p *TSimpleServer) InputProtocolFactory() TProtocolFactory {
return p.inputProtocolFactory
}
func (p *TSimpleServer) OutputProtocolFactory() TProtocolFactory {
return p.outputProtocolFactory
}
func (p *TSimpleServer) Listen() error {
return p.serverTransport.Listen()
}
func (p *TSimpleServer) AcceptLoop() error {
for {
client, err := p.serverTransport.Accept()
if err != nil {
select {
case <-p.quit:
return nil
default:
}
return err
}
if client != nil {
go func() {
if err := p.processRequests(client); err != nil {
log.Println("error processing request:", err)
}
}()
}
}
}
func (p *TSimpleServer) Serve() error {
err := p.Listen()
if err != nil {
return err
}
p.AcceptLoop()
return nil
}
func (p *TSimpleServer) Stop() error {
p.quit <- struct{}{}
p.serverTransport.Interrupt()
return nil
}
func (p *TSimpleServer) processRequests(client TTransport) error {
processor := p.processorFactory.GetProcessor(client)
inputTransport := p.inputTransportFactory.GetTransport(client)
outputTransport := p.outputTransportFactory.GetTransport(client)
inputProtocol := p.inputProtocolFactory.GetProtocol(inputTransport)
outputProtocol := p.outputProtocolFactory.GetProtocol(outputTransport)
defer func() {
if e := recover(); e != nil {
log.Printf("panic in processor: %s: %s", e, debug.Stack())
}
}()
if inputTransport != nil {
defer inputTransport.Close()
}
if outputTransport != nil {
defer outputTransport.Close()
}
for {
ok, err := processor.Process(inputProtocol, outputProtocol)
if err, ok := err.(TTransportException); ok && err.TypeId() == END_OF_FILE {
return nil
} else if err != nil {
log.Printf("error processing request: %s", err)
return err
}
if !ok {
break
}
}
return nil
}