80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
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extern "C" {
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#include <arpa/inet.h>
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}
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#include <expected>
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#include <string>
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#include <vector>
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#include <span>
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#include <iostream>
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#include <thread>
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#include <chrono>
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#include <cstring>
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#include <service.hpp>
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using namespace std::chrono_literals;
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void Handler::Handle(int sock) {
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std::cout << std::format("Handler {} start", sock) << std::endl;
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std::chrono::milliseconds timesleep(1s);
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std::this_thread::sleep_for(timesleep);
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std::cout << std::format("Handler {} done", sock) << std::endl;
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close(sock);
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}
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Service::Service(int svcport) {
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port = svcport;
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}
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Service::~Service() {
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close(port);
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}
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std::expected<void, std::string> Service::Bind(void){
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struct sockaddr_in address;
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int srvsock;
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if ((srvsock = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
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int errnocopy = errno;
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std::string error = std::strerror(errnocopy);
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return std::unexpected("Create socker error: " + error);
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}
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int opt = 1;
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if (setsockopt(srvsock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt))) {
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int errnocopy = errno;
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std::string error = std::strerror(errnocopy);
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return std::unexpected("Set socket option error: " + error);
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}
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address.sin_family = AF_INET;
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address.sin_addr.s_addr = INADDR_ANY;
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address.sin_port = htons(port);
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if (bind(srvsock, (struct sockaddr *)&address, sizeof(address)) < 0) {
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int errnocopy = errno;
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std::string error = std::strerror(errnocopy);
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return std::unexpected("Bind error: " + error);
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}
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if (listen(srvsock, 3) < 0) {
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int errnocopy = errno;
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std::string error = std::strerror(errnocopy);
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return std::unexpected("Listen error: " + error);
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}
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sock = srvsock;
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return {};
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}
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std::expected<void, std::string> Service::Listen(Handler *handler){
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struct sockaddr_in address;
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int addrlen = sizeof(address);
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int newsock = 0;
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for (;;) {
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if ((newsock = accept(sock, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
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int errnocopy = errno;
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std::string error = std::strerror(errnocopy);
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return std::unexpected("Accept error: " + error);
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}
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std::jthread t(&Handler::Handle, handler, newsock);
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t.detach();
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}
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return {};
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}
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