cn-lab4-server-rp

// cn-lab4-server-rp.cpp: определяет точку входа для консольного приложения.
//

#include "stdafx.h"
#include <iostream>
#include <string>
#include <vector>
#include <winsock2.h>

#pragma comment(lib, "ws2_32.lib")

using namespace std;

class BookList;

class Book {
private:
    friend BookList;
    string isbn;
    string author;
    string title;
    string year;
    string publisher;
    string page_count;
public:
    Book(string _isbn, string _author, string _title, string _year, string _publisher, string _page_count) {
        isbn = _isbn;
        author = _author;
        title = _title;
        year = _year;
        publisher = _publisher;
        page_count = _page_count;
    }
    auto serialize() {
        auto s = isbn + "^^^" + author + "^^^" + title + "^^^" + year + "^^^" + publisher + "^^^" + page_count + "^^^|||";
        return s;
    }
};

class BookList {
private:
    vector<Book> list;
public:
    auto add(string isbn, string author, string title, string year, string publisher, string page_count) {
        list.emplace_back(isbn, author, title, year, publisher, page_count);
        return;
    }
    auto search_by_author(string author) {
        vector<Book> matches;
        for (auto book : list)
            if (book.author == author)
                matches.push_back(book);
        return matches;
    }
    auto serialize(Book entry) {
        return entry.serialize();
    }
    auto serialize(vector<Book> entries) {
        string serialized;
        for (auto entry : entries)
            serialized += entry.serialize();
        return serialized;
    }
} books;

int main()
{
    books.add("5-7940-0031-7", "Б.Страуструп", "Язык программирования C++", "1999", "Невский диалект", "991");
    books.add("5-7989-0223-4", "Б.Страуструп", "Язык программирования C++. Специальное издание", "2007", "Бином-Пресс", "1104");
    books.add("978-5-8459-1705-8", "Б.Страуструп", "Программирование: принципы и практика использования C++, исправленное издание", "2011", "Вильямс", "1248");
    books.add("5-469-01217-4", "Б.Страуструп", "Дизайн и эволюция C++", "2007", "Питер", "445");
    books.add("978-5-8459-0489-8", "Г.Шилдт", "Полный справочник по C++", "2011", "Вильямс", "800");
    books.add("978-5-8459-2000-3", "С.Мейерс", "Эффективный и современный С++: 42 рекомендации по использованию C++11 и C++14", "2016", "Вильямс", "304");
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
    WSAData wsadata;
    WSAStartup(0x0202, &wsadata);
    SOCKET client_sock;
    WSAPROTOCOL_INFO protocol_info;
    //fread(&client_sock, sizeof(client_sock), 1, stdin);
    fread(&protocol_info, len, 1, stdin);
    client_sock = WSASocket(AF_INET, SOCK_STREAM, 0, &protocol_info, 0, WSA_FLAG_OVERLAPPED);
    if (client_sock == INVALID_SOCKET)
        cout << endl;
    for (int request_id = 1;; request_id++) {
        char buffer[65536];
        len = recv(client_sock, &buffer[0], sizeof(buffer) - 1, 0);
        if (len == -1 || len == 0) {
            auto err = WSAGetLastError();
            break;
        }
        buffer[len] = 0;
        string s = buffer;
        if (s == "&close")
            break;
        auto matches = books.search_by_author(s);
        if (matches.size() != 0)
            send(client_sock, books.serialize(matches).c_str(), books.serialize(matches).length(), 0);
        else
            send(client_sock, "&nomatches", sizeof("&nomatches"), 0);
    }
    closesocket(client_sock);
    WSACleanup();
    return 0;
}