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.csdn.net/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.csdn.net/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", 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);
}