C++ windows LLVM CLang , Redis example

main.cpp

#include <iostream>
#include <chrono>
#include <string>
#include <thread>

#include <hiredis/hiredis.h>

int main() {
    try{
        // 開始時刻
        auto start = std::chrono::high_resolution_clock::now();

        // Redis接続
        redisContext* c = redisConnect("127.0.0.1", 6379);

        if (c == nullptr || c->err) {
            if (c) {
                std::cerr << "Connection error: " << c->errstr << std::endl;
                redisFree(c);
            } else {
                std::cerr << "Connection error: can't allocate redis context" << std::endl;
            }
            return 1;
        }

        // SET
        redisReply* reply = (redisReply*)redisCommand(c, "SET mykey TestValue");
        int i;
        for (i = 0; i < 1000; i++) {
            std::string str_key = "SET k" + std::to_string(i) + ": value    ";
            //std::cout << "str_key:" << str_key << std::endl;
            reply = (redisReply*)redisCommand(c, str_key.c_str());
            //std::cout << "SET: " << reply->str << std::endl;
        }          
        freeReplyObject(reply);
        std::cout << "#end-set" << std::endl;

        // 切断
        redisFree(c);

        // 終了時刻
        auto end = std::chrono::high_resolution_clock::now();
        // 差分（ミリ秒）
        auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
        std::cout << "time: " << duration.count() << " ms" << std::endl;
    } catch (const std::exception& ex) {
        std::cerr << ex.what() << std::endl;
    }
    return 0;
}

Makefile

CXX = clang++
CXXFLAG_1= -I./include -I/prog/vcpkg/installed/x64-windows/include
CXXFLAG_LIB_1= -L/prog/vcpkg/installed/x64-windows/lib -lhiredis

CXXFLAGS = -std=c++17 $(CXXFLAG_1) $(CXXFLAG_LIB_1)

all: main.exe

main.exe: main.o
    $(CXX) $(CXXFLAGS) main.o -o main.exe

main.o: main.cpp
    $(CXX) $(CXXFLAGS) -c main.cpp

clean:
    del *.o *.exe