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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()" << endl; }
+
+ int32_t add(const int32_t n1, const int32_t n2) override {
+ cout << "add(" << n1 << ", " << n2 << ")" << endl;
+ return n1 + n2;
+ }
+
+ int32_t calculate(const int32_t logid, const Work& work) override {
+ cout << "calculate(" << logid << ", " << work << ")" << endl;
+ 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 << ")" << endl;
+ ret = log[logid];
+ }
+
+ void zip() override { cout << "zip()" << endl; }
+
+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..." << endl;
+ server.serve();
+ cout << "Done." << endl;
+ return 0;
+}