2026-10-04 00:04:20 +08:00
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#include "stdafx.h"
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2026-09-28 15:28:50 +08:00
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#include "InternetSessionEx.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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#ifndef WM_FTP_STATUS
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#define WM_FTP_STATUS WM_USER+130
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#endif
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CInternetSessionEx::CInternetSessionEx( LPCTSTR pstrAgent /* = NULL*/,
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DWORD dwContext /*= 1*/,
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DWORD dwAccessType/* = INTERNET_OPEN_TYPE_PRECONFIG*/,
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LPCTSTR pstrProxyName/* = NULL*/,
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LPCTSTR pstrProxyBypass/* = NULL*/,
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DWORD dwFlags /* = 0 */)
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: CInternetSession(pstrAgent, dwContext, dwAccessType, pstrProxyName, pstrProxyBypass, dwFlags)
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{
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m_hMainWnd = NULL;
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}
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CInternetSessionEx::~CInternetSessionEx()
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{
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}
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void CInternetSessionEx::GetErrorString(DWORD dwErrorCode,CString& strResult)
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{
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switch(dwErrorCode)
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{
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case ERROR_INTERNET_OUT_OF_HANDLES:
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strResult = _T("No more handles could be generated at this time.");
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break;
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case ERROR_INTERNET_TIMEOUT:
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strResult = _T("The request has timed out.");
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break;
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case ERROR_INTERNET_EXTENDED_ERROR:
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// An extended error was returned from the server. This is
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// typically a string or buffer containing a verbose error
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// message. Call InternetGetLastResponseInfo to retrieve the error text.
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case ERROR_INTERNET_INTERNAL_ERROR:
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strResult = _T("An internal error has occurred.");
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break;
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case ERROR_INTERNET_INVALID_URL:
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strResult = _T("The URL is invalid.");
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break;
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case ERROR_INTERNET_UNRECOGNIZED_SCHEME:
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strResult = _T("The URL scheme could not be recognized or is not supported.");
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break;
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case ERROR_INTERNET_NAME_NOT_RESOLVED:
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strResult = _T("The server name could not be resolved.");
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break;
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case ERROR_INTERNET_PROTOCOL_NOT_FOUND:
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strResult = _T("The requested protocol could not be located.");
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break;
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case ERROR_INTERNET_INVALID_OPTION:
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strResult = _T("A request to InternetQueryOption or InternetSetOption specified an invalid option value.");
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break;
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case ERROR_INTERNET_BAD_OPTION_LENGTH:
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strResult = _T("The length of an option supplied to InternetQueryOption or \
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InternetSetOption is incorrect for the type of option specified.");
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break;
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case ERROR_INTERNET_OPTION_NOT_SETTABLE:
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strResult = _T("The request option cannot be set, only queried.");
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break;
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case ERROR_INTERNET_SHUTDOWN:
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strResult = _T("The Win32 Internet function support is being shut down or unloaded.");
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break;
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case ERROR_INTERNET_INCORRECT_USER_NAME:
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strResult = _T("The request to connect and log on to an FTP server could \
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not be completed because the supplied user name is incorrect.");
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break;
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case ERROR_INTERNET_INCORRECT_PASSWORD:
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strResult = _T("The request to connect and log on to an FTP server could \
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not be completed because the supplied password is incorrect.");
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break;
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case ERROR_INTERNET_LOGIN_FAILURE:
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strResult = _T("The request to connect to and log on to an FTP server failed.");
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break;
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case ERROR_INTERNET_INVALID_OPERATION:
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strResult = _T("The requested operation is invalid.");
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break;
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case ERROR_INTERNET_OPERATION_CANCELLED:
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strResult = _T("The operation was canceled, usually because the handle on \
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which the request was operating was closed before the operation completed.");
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break;
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case ERROR_INTERNET_INCORRECT_HANDLE_TYPE:
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strResult = _T("The type of handle supplied is incorrect for this operation.");
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break;
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case ERROR_INTERNET_INCORRECT_HANDLE_STATE:
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strResult = _T("The requested operation cannot be carried out because the \
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handle supplied is not in the correct state. ");
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break;
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case ERROR_INTERNET_NOT_PROXY_REQUEST:
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strResult = "The request cannot be made via a proxy.";
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break;
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case ERROR_INTERNET_REGISTRY_VALUE_NOT_FOUND:
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strResult = _T("A required registry value could not be located.");
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break;
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case ERROR_INTERNET_BAD_REGISTRY_PARAMETER:
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strResult = _T("A required registry value was located but is an incorrect type or has an invalid value.");
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break;
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case ERROR_INTERNET_NO_DIRECT_ACCESS:
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strResult = _T("Direct network access cannot be made at this time.");
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break;
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case ERROR_INTERNET_NO_CONTEXT:
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strResult = _T("An asynchronous request could not be made because a zero context value was supplied.");
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break;
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case ERROR_INTERNET_NO_CALLBACK:
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strResult = _T("An asynchronous request could not be made because a callback function has not been set.");
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break;
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case ERROR_INTERNET_REQUEST_PENDING:
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strResult = _T("The required operation could not be completed because one or more requests are pending.");
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break;
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case ERROR_INTERNET_INCORRECT_FORMAT:
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strResult = _T("The format of the request is invalid.");
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break;
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case ERROR_INTERNET_ITEM_NOT_FOUND:
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strResult = _T("The requested item could not be located.");
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break;
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case ERROR_INTERNET_CANNOT_CONNECT:
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strResult = _T("The attempt to connect to the server failed.");
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break;
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case ERROR_INTERNET_CONNECTION_ABORTED:
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strResult = _T("The connection with the server has been terminated.");
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break;
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case ERROR_INTERNET_CONNECTION_RESET:
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strResult = _T("The connection with the server has been reset.");
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break;
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case ERROR_INTERNET_FORCE_RETRY:
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strResult = _T("Calls for the Win32 Internet function to redo the request.");
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break;
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case ERROR_INTERNET_INVALID_PROXY_REQUEST:
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strResult = _T("The request to the proxy was invalid.");
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break;
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case ERROR_INTERNET_HANDLE_EXISTS:
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strResult = _T("The request failed because the handle already exists.");
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break;
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case ERROR_FTP_TRANSFER_IN_PROGRESS:
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strResult = _T("The requested operation cannot be made on the FTP session \
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handle because an operation is already in progress.");
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break;
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case ERROR_FTP_DROPPED:
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strResult = _T("The FTP operation was not completed because the session was aborted.");
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break;
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}
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}
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2026-10-04 00:04:20 +08:00
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//回调发送错误信息
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2026-09-28 15:28:50 +08:00
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void CInternetSessionEx::OnStatusCallback(DWORD dwContext, DWORD dwInternetStatus, LPVOID lpvStatusInformation, DWORD dwStatusInformationLen)
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{
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CString strStatus;
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switch(dwInternetStatus)
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{
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case INTERNET_STATUS_STATE_CHANGE:
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strStatus.Format(_T("[%d] Busy"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_REQUEST_COMPLETE:
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strStatus.Format(_T("[%d] request complete"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_CONNECTING_TO_SERVER:
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strStatus.Format(_T("[%d] Connecting to server..."), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_RESOLVING_NAME:
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strStatus.Format(_T("[%d] resolving name for %s"), AfxGetThread()->m_nThreadID, lpvStatusInformation);
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break;
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case INTERNET_STATUS_NAME_RESOLVED:
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strStatus.Format(_T("[%d] resolved name for %s!"), AfxGetThread()->m_nThreadID, lpvStatusInformation);
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break;
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case INTERNET_STATUS_CONNECTED_TO_SERVER:
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strStatus.Format(_T("[%d] Connected to server!"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_SENDING_REQUEST:
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strStatus.Format(_T("[%d] Sending request..."), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_REQUEST_SENT:
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strStatus.Format(_T("[%d] Request sent"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_RECEIVING_RESPONSE:
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strStatus.Format(_T("[%d] Receiving response..."), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_RESPONSE_RECEIVED:
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strStatus.Format(_T("[%d] Response received!"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_CLOSING_CONNECTION:
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strStatus.Format(_T("[%d] Closing connection..."), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_CONNECTION_CLOSED:
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strStatus.Format(_T("[%d] Connection close!"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_HANDLE_CLOSING:
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strStatus.Format(_T("[%d] Closing Connection..."), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_HANDLE_CREATED:
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strStatus.Format(_T("[%d] Connection created!"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_REDIRECT:
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strStatus.Format(_T("[%d] Redirected to URL"), AfxGetThread()->m_nThreadID);
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break;
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case INTERNET_STATUS_CTL_RESPONSE_RECEIVED:
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default:
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strStatus.Format(_T("[%d] Unknown status: %d"), AfxGetThread()->m_nThreadID, dwInternetStatus);
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break;
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}
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LPCTSTR line = strStatus;
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if(m_hMainWnd != NULL)
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{
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::SendMessage(m_hMainWnd, WM_FTP_STATUS, 0,(LPARAM)line);
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}
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}
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