自制Ping(3) IcmpSendEcho2Ex Demo

IP Helper 可能需要WDK支持, 我本机装了WDK, 没试过不用会怎样. 由于IcmpSendEcho2Ex()回调的形式乎与我的WDK有所冲突, 所以这里只演示阻塞模式. Event应该不受影响. Demo下载地址: http://download.gaodaima.com/detail/ren0065/8388105 主要代码: void CPingTe

IP Helper 可能需要WDK支持, 我本机装了WDK, 没试过不用会怎样.

由于IcmpSendEcho2Ex()回调的形式似乎与我的WDK有所冲突, 所以这里只演示阻塞模式. Event应该不受影响.

Demo下载地址: http://download.gaodaima.com/detail/ren0065/8388105

主要代码:

void CPingTest1Dlg::OnBnClickedBtnPing(){	// TODO:  在此添加控件通知处理程序代码	UpdateData(TRUE);	HANDLE h_icmp = IcmpCreateFile();	IPAddr ip_source = inet_addr(cs_source_ip_);	IPAddr ip_destination = inet_addr(cs_destination_ip_);	WORD w_request_data_size = atoi(cs_request_size_);	LPVOID p_request_data = calloc(1, w_request_data_size);	PIP_OPTION_INFORMATION p_option_info = NULL;	LPVOID p_reply_data = calloc(1, sizeof(ICMP_ECHO_REPLY) + 8 + w_request_data_size);	DWORD dw_reply_data_size = sizeof(ICMP_ECHO_REPLY) + 8 + w_request_data_size;	DWORD dw_timeout = atoi(cs_timeout_);	DWORD dw_result = IcmpSendEcho2Ex(		h_icmp		, NULL		, NULL		, NULL		, ip_source		, ip_destination		, p_request_data		, w_request_data_size		, p_option_info		, p_reply_data		, dw_reply_data_size		, dw_timeout);	free(p_request_data);	cs_output_.Empty();	if (dw_result == 0)	{		DWORD dw_error = GetLastError();		CString cs_error_msg;		switch (dw_error)		{		case ERROR_INVALID_PARAMETER:			cs_error_msg = "无效参数. 当IcmpHandle是一个无效handle或ReplySize的值小于ICMP_ECHO_REPLY或ICMP_ECHO_REPLY32时会返回该错误.";			break;		case ERROR_IO_PENDING:			cs_error_msg = "异步处理正在进行中.调用IcmpSendEcho2Ex异步模式成功时会返回该值, 不是错误.";			break;		case ERROR_NOT_ENOUGH_MEMORY:			cs_error_msg = "内存不足";			break;		case ERROR_NOT_SUPPORTED:			cs_error_msg = "不支持该请求.如果本地计算机没有IPv4协议栈将返回该错误.";			break;		case IP_BUF_TOO_SMALL:			cs_error_msg = "ReplySize指定的太小.";			break;		default:		{			HLOCAL hLocal = NULL;			DWORD dwErr = GetLastError();			DWORD systemLocale = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL);			DWORD fOK = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_ALLOCATE_BUFFER,				NULL, dwErr, systemLocale, (LPTSTR)&hLocal, 0, NULL);			cs_error_msg = (LPCTSTR)LocalLock(hLocal);			break;		}		}		cs_output_ = cs_error_msg;	}	else	{		CString cs_buffer;		PICMP_ECHO_REPLY pEchoReply = (PICMP_ECHO_REPLY)p_reply_data;		struct in_addr ReplyAddr;		ReplyAddr.S_un.S_addr = pEchoReply->Address;		cs_buffer.Format("Sent icmp message from %s to %s\r\n", cs_source_ip_, cs_destination_ip_);		cs_output_ += cs_buffer;		if (dw_result > 1)		{			cs_buffer.Format("Received %ld icmp message responses\r\n"<div style="color:transparent">本文来源gaodai.ma#com搞#代!码(网</div>, dw_result);			cs_output_ += cs_buffer;			cs_buffer.Format("Information from the first response:\r\n");			cs_output_ += cs_buffer;		}		else		{			cs_buffer.Format("Received %ld icmp message response\r\n", dw_result);			cs_output_ += cs_buffer;			cs_buffer.Format("Information from this response:\r\n");			cs_output_ += cs_buffer;		}		cs_buffer.Format("Received from %s\r\n", inet_ntoa(ReplyAddr));		cs_output_ += cs_buffer;		cs_buffer.Format("Status = %ld ", pEchoReply->Status);		cs_output_ += cs_buffer;		if (pEchoReply->Status != IP_SUCCESS)		{			DWORD dw_status_err_msg_size = 1024;			PWSTR cw_str_error = (PWSTR)calloc(1, dw_status_err_msg_size);			GetIpErrorString(pEchoReply->Status, cw_str_error, &dw_status_err_msg_size);			cs_output_ = WS2S(cw_str_error).c_str();			free(cw_str_error);		}		else		{			cs_buffer.Format("(Successful)\r\n");			cs_output_ += cs_buffer;			cs_buffer.Format("RTT: %d\r\n", pEchoReply->RoundTripTime);			cs_output_ += cs_buffer;			cs_buffer.Format("SIZE: %d\r\n", pEchoReply->DataSize);			cs_output_ += cs_buffer;			cs_buffer.Format("TTL: %d\r\n", pEchoReply->Options.Ttl);			cs_output_ += cs_buffer;		}	}	UpdateData(FALSE);	free(p_reply_data);	IcmpCloseHandle(h_icmp);}

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