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#include "stdafx.h"
#include <stdio.h>
#include <winsock2.h>
#include <string.h>

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


typedef struct Books
{
	char  title[10];
	char  name;
	
	int int_id[2];
	unsigned short int short_id;
	float book_id;
};

int main(int argc, char* argv[])
{
	
	WORD sockVersion = MAKEWORD(2, 2);
	WSADATA wsaData;
	if (WSAStartup(sockVersion, &wsaData) != 0)
	{
		return 0;
	}

	
	SOCKET slisten = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	if (slisten == INVALID_SOCKET)
	{
		printf("socket error !");
		return 0;
	}

	
	sockaddr_in sin;
	sin.sin_family = AF_INET;
	sin.sin_port = htons(8888);
	sin.sin_addr.S_un.S_addr = INADDR_ANY;
	if (bind(slisten, (LPSOCKADDR)&sin, sizeof(sin)) == SOCKET_ERROR)
	{
		printf("bind error !");
	}

	
	if (listen(slisten, 5) == SOCKET_ERROR)
	{
		printf("listen error !");
		return 0;
	}

	
	SOCKET sClient;
	sockaddr_in remoteAddr;
	int nAddrlen = sizeof(remoteAddr);
	char revData[255];
	while (true)
	{
		printf("\n等待连接...\n");
		sClient = accept(slisten, (SOCKADDR *)&remoteAddr, &nAddrlen);
		if (sClient == INVALID_SOCKET)
		{
			printf("accept error !");
			continue;
		}
		printf("接受到一个连接：%s \r\n", inet_ntoa(remoteAddr.sin_addr));

		
		struct Books revBook;
		int ret = recv(sClient, revData, sizeof(Books), 0);
		if (ret > 0)
		{
			for(int i=0;i<sizeof(Books);i++){
				printf("%d,",revData[i]);
			}
			printf("\n");
			memcpy(&revBook, revData, sizeof(revBook));
			printf("title:%s\n",revBook.title);
			printf("name:%c\n",revBook.name);
			printf("short_id:%d\n",revBook.short_id);
			printf("int_id[0]:%d\n",revBook.int_id[0]);
			printf("int_id[1]:%d\n",revBook.int_id[1]);
			printf("book_id:%f\n",revBook.book_id);
		}
		
		struct Books book;
		strcpy_s(book.title, "hello-c1");
		book.name = 'a';
		book.int_id[0] = 253;
		book.int_id[1] = 13;
		book.book_id = 22.2;
		book.short_id = -34;

		char snd_buf[sizeof(book)];
		memset(snd_buf, 0, sizeof(book));
		memcpy(snd_buf, &book, sizeof(book));
		
		printf("\nlen:%d\n",sizeof(book));
		printf("\nlen:%d\n",sizeof(snd_buf));
		send(sClient, snd_buf, sizeof(snd_buf), 0);

		printf("发送:\n");
		for(int i=0;i<sizeof(snd_buf);i++){
			printf("%d,",snd_buf[i]);
		}

		closesocket(sClient);
	}

	closesocket(slisten);
	WSACleanup();
	return 0;
}