#include?“common.h“

#define?RECEIVE_MAX_LENGTH?100
#define?SEND_MAX_LENGTH?100

//void?（interrupt?far?*oldhandler）（）;

void?main（）
{
Begin:
????WORD?wVersionRequested;
????WSADATA?wsaData;
????int?err;
????
????wVersionRequested?=?MAKEWORD（?1?1?）;
????
????err?=?WSAStartup（?wVersionRequested?&wsaData?）;
????if?（?err?!=?0?）?
????{
		Sleep（SLEEPMS）;
????????return;
????}
????
????if?（?LOBYTE（?wsaData.wVersion?）?!=?1?
????????????||?HIBYTE（?wsaData.wVersion?）?!=?1?）
????{
????????WSACleanup（?）;
		Sleep（SLEEPMS）;
????????return;?
????}

????SOCKET??socksrv?=?socket（AF_INETSOCK_STREAM0）;//監聽的套接字
????SOCKADDR_IN?socketadd;
????socketadd.sin_addr.S_un.S_addr?=?htonl（INADDR_ANY）;
????socketadd.sin_family?=?AF_INET;
????socketadd.sin_port?=?htons（7001）;????

????if（?SOCKET_ERROR?==?bind（socksrv（SOCKADDR*）&socketaddsizeof（SOCKADDR））?）
????{
????????printf（“bind?err\n“）;
		WSACleanup（?）;
		Sleep（SLEEPMS）;
????????return;
????}

????if（?SOCKET_ERROR?==?listen（socksrv5）?）
????{
????????printf（“listen?err“）;
		WSACleanup（?）;
		Sleep（SLEEPMS）;
????????return;
????}
????
????SOCKADDR_IN?sockclient;
????int?len?=?sizeof（SOCKADDR）;
????
????SOCKET?sockconn?=?accept（socksrv（SOCKADDR*）&sockclient&len）;//建立連接的套節字
????if（INVALID_SOCKET?==?sockconn?）
????{
????????printf（“acc?err\n“）;
		WSACleanup（?）;
		Sleep（SLEEPMS）;
????????return;
????}

????char?sendData[SEND_MAX_LENGTH];
	memset（sendData?0?SEND_MAX_LENGTH）;
????sprintf（sendData“%s““hello?sender?i\‘m?receiver“）;

????if（?SOCKET_ERROR?==?send（sockconnsendDatastrlen（sendData）+10）?）
????{
????????printf（“send?welcome?err\n“）;
		WSACleanup（?）;
		closesocket（sockconn）;
		Sleep（SLEEPMS）;
????????return;
????}

????char?getData[RECEIVE_MAX_LENGTH];
	memset（getData?0?RECEIVE_MAX_LENGTH）;
????recv（sockconngetDataRECEIVE_MAX_LENGTH0）;
????printf（“%s\n“getData）;

	printf（“1bit滑動窗口協議：接收方，接收窗口=1\n“）;

	linkQueue?QueueQ;
	InitLine（&QueueQ）;

	frame?packetreceive;?//data
	frame?packetsend;?//?acknak
	
	//初始化接收窗口
	int?curw?=?GetframeFromHost（&QueueQ）;
	int?ret?=?0;?
	while（1）
	{
		//接收數據幀
		memset（&packetreceive?0?sizeof（packetreceive））;
		Sleep（SLEEPMS）;
		printf（“\n“）;
		ret?=?recv（sockconn（char?*）&packetreceive?sizeof（packetreceive）?0）;		
		if（ret?==?SOCKET_ERROR?||?ret?==?SOCKET_DISCONN）
		{			
			if（ret?==?SOCKET_ERROR）
			{
				cprintf（“recv?err!?Auto?continue\n“）;?
				//while?（!kbhit（））?{?/*?do?nothing?*/?};?
				continue;
			}
			else
			{
				cprintf（“連接已斷開，按q退出，其他鍵等待新的連接\n“）;?
				//while?（!（kbc?=?kbhit（）））?{?/*?do?nothing?*/?};?
				int?kbc?=?getch（）;
				if（kbc?==?‘q‘?||?kbc?==?‘Q‘）
					break;
				else?
				{
					WSACleanup（?）;
					closesocket（sockconn）;
					Sleep（SLEEPMS）;
					goto?Begin;
				}
			}
		}
		srand（（unsigned）time（NULL））;
		switch（rand（）?%?5）?//假定產生隨機結果，20%的概率校驗錯誤或接收發送方超時
		{
		case?0:
			printf（“frame?received:?%d?%d，校驗錯誤\n“?packetreceive.h

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????83968??2010-04-16?19:09??實驗一.doc

?????文件??????48640??2010-04-05?20:26??SlideWindowSender\SlideWindowSender.opt

?????文件????1975296??2010-04-05?20:21??SlideWindowSender\Bin\SlideWindowSender.bsc

?????文件???????1011??2010-04-04?23:26??SlideWindowSender\Src\common.h

?????文件???????5340??2010-04-06?13:40??SlideWindowSender\Src\Sender.cpp

?????文件???????1709??2010-04-03?23:38??SlideWindowSender\Src\SliderWindow.cpp

?????文件???????1630??2010-04-05?20:21??SlideWindowSender\SlideWindowSender.plg

?????文件????????540??2010-04-02?21:12??SlideWindowSender\SlideWindowSender.dsw

?????文件??????58368??2010-04-05?20:26??SlideWindowSender\SlideWindowSender.ncb

?????文件???????4609??2010-04-03?12:11??SlideWindowSender\SlideWindowSender.dsp

?????文件??????48640??2010-04-05?20:20??SlideWindowReceiver\SlideWindowReceiver.opt

?????文件???????4653??2010-04-03?22:08??SlideWindowReceiver\SlideWindowReceiver.dsp

?????文件??????66560??2010-04-05?20:20??SlideWindowReceiver\SlideWindowReceiver.ncb

?????文件????1975296??2010-04-05?20:19??SlideWindowReceiver\Bin\SlideWindowReceiver.bsc

?????文件???????1198??2010-04-05?00:12??SlideWindowReceiver\Src\common.h

?????文件???????6398??2010-04-05?00:19??SlideWindowReceiver\Src\Receiver.cpp

?????文件???????2545??2010-04-05?01:28??SlideWindowReceiver\Src\SliderWindow.cpp

?????文件???????1654??2010-04-05?20:19??SlideWindowReceiver\SlideWindowReceiver.plg

?????文件????????544??2010-04-03?00:04??SlideWindowReceiver\SlideWindowReceiver.dsw

?????文件?????200789??2010-04-05?20:19??SlideWindowReceiver.exe

?????文件?????196689??2010-04-05?20:21??SlideWindowSender.exe

?????文件?????169984??2010-04-05?20:59??實驗一：實驗報告.doc

?????目錄??????????0??2010-04-02?20:25??SlideWindowSender\Bin

?????目錄??????????0??2010-04-02?20:26??SlideWindowSender\Src

?????目錄??????????0??2010-04-02?20:17??SlideWindowReceiver\Bin

?????目錄??????????0??2010-04-02?20:18??SlideWindowReceiver\Src

?????目錄??????????0??2010-04-02?20:25??SlideWindowSender

?????目錄??????????0??2010-04-02?20:15??SlideWindowReceiver

-----------?---------??----------?-----??----

??????????????4856061????????????????????28

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