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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.
*/
#include <thrift/concurrency/ThreadManager.h>
#include <thrift/concurrency/ThreadFactory.h>
#include <thrift/protocol/TBinaryProtocol.h>
#include <thrift/server/TSimpleServer.h>
#include <thrift/server/TThreadPoolServer.h>
#include <thrift/server/TThreadedServer.h>
#include <thrift/transport/TServerSocket.h>
#include <thrift/transport/TSocket.h>
#include <thrift/transport/TTransportUtils.h>
#include <thrift/TToString.h>
#include <iostream>
#include <stdexcept>
#include <sstream>
#include "../gen-cpp/Calculator.h"
using namespace std;
using namespace apache::thrift;
using namespace apache::thrift::concurrency;
using namespace apache::thrift::protocol;
using namespace apache::thrift::transport;
using namespace apache::thrift::server;
using namespace tutorial;
using namespace shared;
class CalculatorHandler : public CalculatorIf {
public:
CalculatorHandler() = default;
void ping() override { cout << "ping()" << '\n'; }
int32_t add(const int32_t n1, const int32_t n2) override {
cout << "add(" << n1 << ", " << n2 << ")" << '\n';
return n1 + n2;
}
int32_t calculate(const int32_t logid, const Work& work) override {
cout << "calculate(" << logid << ", " << work << ")" << '\n';
int32_t val;
switch (work.op) {
case Operation::ADD:
val = work.num1 + work.num2;
break;
case Operation::SUBTRACT:
val = work.num1 - work.num2;
break;
case Operation::MULTIPLY:
val = work.num1 * work.num2;
break;
case Operation::DIVIDE:
if (work.num2 == 0) {
InvalidOperation io;
io.whatOp = work.op;
io.why = "Cannot divide by 0";
throw io;
}
val = work.num1 / work.num2;
break;
default:
InvalidOperation io;
io.whatOp = work.op;
io.why = "Invalid Operation";
throw io;
}
SharedStruct ss;
ss.key = logid;
ss.value = to_string(val);
log[logid] = ss;
return val;
}
void getStruct(SharedStruct& ret, const int32_t logid) override {
cout << "getStruct(" << logid << ")" << '\n';
ret = log[logid];
}
void zip() override { cout << "zip()" << '\n'; }
protected:
map<int32_t, SharedStruct> log;
};
/*
CalculatorIfFactory is code generated.
CalculatorCloneFactory is useful for getting access to the server side of the
transport. It is also useful for making per-connection state. Without this
CloneFactory, all connections will end up sharing the same handler instance.
*/
class CalculatorCloneFactory : virtual public CalculatorIfFactory {
public:
~CalculatorCloneFactory() override = default;
CalculatorIf* getHandler(const ::apache::thrift::TConnectionInfo& connInfo) override
{
std::shared_ptr<TSocket> sock = std::dynamic_pointer_cast<TSocket>(connInfo.transport);
cout << "Incoming connection\n";
cout << "\tSocketInfo: " << sock->getSocketInfo() << "\n";
cout << "\tPeerHost: " << sock->getPeerHost() << "\n";
cout << "\tPeerAddress: " << sock->getPeerAddress() << "\n";
cout << "\tPeerPort: " << sock->getPeerPort() << "\n";
return new CalculatorHandler;
}
void releaseHandler( ::shared::SharedServiceIf* handler) override {
delete handler;
}
};
int main() {
TThreadedServer server(
std::make_shared<CalculatorProcessorFactory>(std::make_shared<CalculatorCloneFactory>()),
std::make_shared<TServerSocket>(9090), //port
std::make_shared<TBufferedTransportFactory>(),
std::make_shared<TBinaryProtocolFactory>());
/*
// if you don't need per-connection state, do the following instead
TThreadedServer server(
std::make_shared<CalculatorProcessor>(std::make_shared<CalculatorHandler>()),
std::make_shared<TServerSocket>(9090), //port
std::make_shared<TBufferedTransportFactory>(),
std::make_shared<TBinaryProtocolFactory>());
*/
/**
* Here are some alternate server types...
// This server only allows one connection at a time, but spawns no threads
TSimpleServer server(
std::make_shared<CalculatorProcessor>(std::make_shared<CalculatorHandler>()),
std::make_shared<TServerSocket>(9090),
std::make_shared<TBufferedTransportFactory>(),
std::make_shared<TBinaryProtocolFactory>());
const int workerCount = 4;
std::shared_ptr<ThreadManager> threadManager =
ThreadManager::newSimpleThreadManager(workerCount);
threadManager->threadFactory(
std::make_shared<ThreadFactory>());
threadManager->start();
// This server allows "workerCount" connection at a time, and reuses threads
TThreadPoolServer server(
std::make_shared<CalculatorProcessorFactory>(std::make_shared<CalculatorCloneFactory>()),
std::make_shared<TServerSocket>(9090),
std::make_shared<TBufferedTransportFactory>(),
std::make_shared<TBinaryProtocolFactory>(),
threadManager);
*/
cout << "Starting the server..." << '\n';
server.serve();
cout << "Done." << '\n';
return 0;
}
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