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734 lines
20 KiB
C++
734 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// network.cpp : implementation file
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//
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#include "stdafx.h"
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#include "cxnet1.h"
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/////////////////////////////////////////////////////////////////////////////
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// Context functions
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XP_Bool CNetworkCX::Confirm(MWContext *pContext, const char *pConfirmMessage) {
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// Always return true, we don't want any dialogs coming up.
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// Don't call the base.
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// This will cause the prompt functions to be called multiple times as
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// needed since both the netlib and this object cache different
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// passwords.
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return(TRUE);
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}
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void CNetworkCX::Alert(MWContext *pContext, const char *pMessage) {
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// Hand over this in the error string, even if it's not an error.
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// Can't have dialogs popping up everywhere.
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m_lFlags |= m_ERRS;
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m_csErrorMessage = pMessage;
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// Do not call the base or a dialog comes up.
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}
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char *CNetworkCX::Prompt(MWContext *pContext, const char *pPrompt, const char *pDefault) {
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// So, LJM tells me that this function is used to query for a username.
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// Do that here.
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// Only if not already asked for during this load.
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if((m_lFlags & m_USER) == 0) {
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SetUsernameRequested();
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return(AllocUsername());
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}
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return(NULL);
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}
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char *CNetworkCX::PromptPassword(MWContext *pContext, const char *pMessage) {
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// The caller should have proactively set the password before an Open().
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// If not, then they will have to figure it out.
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// Mark that a password was required for the transfer.
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// Only if not already asked for during this load.
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if((m_lFlags & m_PASS) == 0) {
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SetPasswordRequested();
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return(AllocPassword());
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}
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return(NULL);
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}
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XP_Bool CNetworkCX::PromptUsernameAndPassword(MWContext *pContext, const char *pMessage, char **ppUsername, char **ppPassword) {
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// Initialize.
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*ppPassword = NULL;
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*ppUsername = NULL;
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// If both have already been asked for, don't continue.
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if((m_lFlags & m_USER) != 0 && (m_lFlags & m_PASS) != 0) {
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return(FALSE);
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}
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// Prompt for both username and password.
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// Default values are given, and if not already specified by the caller, then we can just use them.
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// Set that both a username and a password were required for the transfer.
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SetPasswordRequested();
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SetUsernameRequested();
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// Copy and set any user/password values that the controller has preemptively set.
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char *pPass = AllocPassword();
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if(pPass != NULL) {
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*ppPassword = pPass;
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}
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char *pUser = AllocUsername();
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if(pUser != NULL) {
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*ppUsername = pUser;
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}
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return(TRUE);
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}
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XP_Bool CNetworkCX::ShowAllNewsArticles(MWContext *pContext) {
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// Set to show all the news articles.
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return(GetFlagShowAllNews());
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}
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XP_Bool CNetworkCX::UseFancyFTP(MWContext *pContext) {
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// Check to see if we are to use Fancy FTP.
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return(GetFlagFancyFTP());
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}
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XP_Bool CNetworkCX::UseFancyNewsgroupListing(MWContext *pContext) {
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// See if we should use full newsgroup listings with descriptions.
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return(GetFlagFancyNews());
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}
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#ifdef _DEBUG
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#undef THIS_FILE
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static char BASED_CODE THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CNetworkCX
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#ifndef _AFXDLL
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#undef new
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#endif
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IMPLEMENT_DYNCREATE(CNetworkCX, CCmdTarget)
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#ifndef _AFXDLL
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#define new DEBUG_NEW
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#endif
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CNetworkCX::CNetworkCX()
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{
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EnableAutomation();
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// To keep the application running as long as an OLE automation
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// object is active, the constructor calls AfxOleLockApp.
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AfxOleLockApp();
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// Set the type of context that we are.
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m_cxType = Network;
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GetContext()->type = MWContextOleNetwork;
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// Initialize our URL property, other members won't work unless this is defined.
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m_pUrlData = NULL;
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// Our buffer is initially empty.
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ASSERT(m_cplBuffers.IsEmpty());
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// We're done loading any stream, as none have started.
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m_bStreamComplete = TRUE;
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// We don't want to initially show all news articles.
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m_bShowAllNews = FALSE;
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// We do want to use Fancy News and Fancy FTP by default.
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m_bFancyNews = TRUE;
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m_bFancyFTP = TRUE;
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// We've no current status flags.
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m_lFlags = m_OK;
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// Username and password should be empty initially anyhow.
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TRACE("Netscape.Network.1 started\n");
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}
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CNetworkCX::~CNetworkCX()
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{
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// To terminate the application when all objects created with
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// with OLE automation, the destructor calls AfxOleUnlockApp.
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AfxOleUnlockApp();
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TRACE("Netscape.Network.1 ended\n");
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}
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void CNetworkCX::OnFinalRelease()
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{
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// When the last reference for an automation object is released
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// OnFinalRelease is called. This implementation deletes the
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// object. Add additional cleanup required for your object before
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// deleting it from memory.
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// If we have a currently loading stream, we need to do cleanup there.
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if(m_pUrlData != NULL) {
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Close();
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}
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DestroyContext();
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}
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char *CNetworkCX::AllocUsername() {
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// See if we even have a username to allocate.
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if(m_csUsername.IsEmpty() == TRUE) {
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return(NULL);
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}
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return(XP_STRDUP(m_csUsername));
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}
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char *CNetworkCX::AllocPassword() {
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// See if we even have a password to allocate.
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if(m_csPassword.IsEmpty() == TRUE) {
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return(NULL);
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}
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return(XP_STRDUP(m_csPassword));
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}
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BEGIN_MESSAGE_MAP(CNetworkCX, CCmdTarget)
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//{{AFX_MSG_MAP(CNetworkCX)
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// NOTE - the ClassWizard will add and remove mapping macros here.
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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BEGIN_DISPATCH_MAP(CNetworkCX, CCmdTarget)
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//{{AFX_DISPATCH_MAP(CNetworkCX)
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DISP_PROPERTY_EX(CNetworkCX, "Username", GetUsername, SetUsername, VT_BSTR)
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DISP_PROPERTY_EX(CNetworkCX, "Password", GetPassword, SetPassword, VT_BSTR)
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DISP_PROPERTY_EX(CNetworkCX, "FlagShowAllNews", GetFlagShowAllNews, SetFlagShowAllNews, VT_BOOL)
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DISP_PROPERTY_EX(CNetworkCX, "FlagFancyFTP", GetFlagFancyFTP, SetFlagFancyFTP, VT_BOOL)
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DISP_PROPERTY_EX(CNetworkCX, "FlagFancyNews", GetFlagFancyNews, SetFlagFancyNews, VT_BOOL)
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DISP_FUNCTION(CNetworkCX, "Close", Close, VT_EMPTY, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "Read", Read, VT_I2, VTS_PBSTR VTS_I2)
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DISP_FUNCTION(CNetworkCX, "GetStatus", GetStatus, VT_I4, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "Open", Open, VT_BOOL, VTS_BSTR VTS_I2 VTS_BSTR VTS_I4 VTS_BSTR)
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DISP_FUNCTION(CNetworkCX, "GetErrorMessage", GetErrorMessage, VT_BSTR, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "GetServerStatus", GetServerStatus, VT_I2, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "GetContentLength", GetContentLength, VT_I4, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "GetContentType", GetContentType, VT_BSTR, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "GetContentEncoding", GetContentEncoding, VT_BSTR, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "GetExpires", GetExpires, VT_BSTR, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "GetLastModified", GetLastModified, VT_BSTR, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "Resolve", Resolve, VT_BSTR, VTS_BSTR VTS_BSTR)
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DISP_FUNCTION(CNetworkCX, "IsFinished", IsFinished, VT_BOOL, VTS_NONE)
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DISP_FUNCTION(CNetworkCX, "BytesReady", BytesReady, VT_I2, VTS_NONE)
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//}}AFX_DISPATCH_MAP
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END_DISPATCH_MAP()
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IMPLEMENT_OLECREATE(CNetworkCX, "Netscape.Network.1", 0xef5f7050, 0x385a, 0x11ce, 0x81, 0x93, 0x0, 0x20, 0xaf, 0x18, 0xf9, 0x5)
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/////////////////////////////////////////////////////////////////////////////
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// CNetworkCX message handlers
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BOOL CNetworkCX::Open(LPCTSTR pURL, short iMethod, LPCTSTR pPostData, long lPostDataSize, LPCTSTR pPostHeaders)
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{
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// Reset our status flags.
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m_lFlags = m_OK;
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m_csErrorMessage.Empty();
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// See if we're busy.
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if(winfeInProcessNet == TRUE) {
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m_lFlags |= m_BUSY;
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return(FALSE);
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}
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// If we're handling a request already, shut it down.
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if(m_pUrlData != NULL) {
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Close();
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}
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// Create the URL we want to load.
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m_pUrlData = NET_CreateURLStruct(pURL, NET_DONT_RELOAD);
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// Create the ncapi data for the URL.
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// Don't let it free off the URL in the exit routine.
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// This is done in close.
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// A pointer to the class is saved in the URL struct, and will
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// be freed off in FE_DeleteUrlData.
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CNcapiUrlData *pDontCare = new CNcapiUrlData(this, m_pUrlData);
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pDontCare->DontFreeUrl();
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// Set the method for the load.
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// GET 0
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// POST 1
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// HEAD 3
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m_pUrlData->method = iMethod;
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// Contruct the post stuff.
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if(pPostData != NULL && strlen(pPostData) != 0 && m_pUrlData->method == 1) {
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m_pUrlData->post_data = (char *)XP_ALLOC(lPostDataSize);
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memcpy(m_pUrlData->post_data, pPostData, CASTSIZE_T(lPostDataSize));
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m_pUrlData->post_data_size = lPostDataSize;
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if(pPostHeaders != NULL && strlen(pPostHeaders) != 0) {
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m_pUrlData->post_headers = (char *)XP_ALLOC(strlen(pPostHeaders) + 1);
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memcpy(m_pUrlData->post_headers, pPostHeaders, strlen(pPostHeaders) + 1);
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}
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else {
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m_pUrlData->post_headers = strdup("Content-type: application/x-www-form-urlencoded");
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}
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StrAllocCat(m_pUrlData->post_headers, CRLF);
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// Manually add the content-length.
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// This was done automatically in versions of Netscape prior to 2.0.
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char aBuffer[1024];
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sprintf(aBuffer, "Content-length: %ld", lPostDataSize);
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StrAllocCat(m_pUrlData->post_headers, aBuffer);
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StrAllocCat(m_pUrlData->post_headers, CRLF);
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}
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// Finally, set that the stream is not yet completed.
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m_bStreamComplete = FALSE;
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// Need to request a URL for a particular format out, in our special context.
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// Any errors should be caught in the exit routine.
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GetUrl(m_pUrlData, FO_CACHE_AND_OLE_NETWORK);
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return TRUE;
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}
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short CNetworkCX::Read(BSTR FAR* pBuffer, short iAmount)
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{
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// First, check for end of file condition.
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if(m_cplBuffers.IsEmpty() && m_bStreamComplete == TRUE) {
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return(-1);
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}
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// If the buffer's empty, we should just return right now.
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if(m_cplBuffers.IsEmpty()) {
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return(0);
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}
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// We'll want to either copy over the amount of data they are asking for,
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// or copy over how much data we have in the buffer,
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// whichever is less.
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// To do this, we need to figure out the amount of data in the buffers first
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// entry only.
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// Get the first entry out.
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CNetBuffer *pNetBuffer = (CNetBuffer *)m_cplBuffers.GetHead();
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// See how much data we should be handling here.
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int iBuffer = pNetBuffer->m_iSize - pNetBuffer->m_iHead;
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ASSERT(iBuffer);
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iAmount = min(iBuffer, iAmount);
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if(iAmount <= 0) {
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return(0);
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}
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// Copy over that amount from our buffer.
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#if !defined(_UNICODE) && !defined(OLE2ANSI) && defined(MSVC4)
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// Need to encode unicode ourselves.
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MultiByteToWideChar(CP_ACP, 0, (pNetBuffer->m_pData + pNetBuffer->m_iHead), iAmount, *pBuffer, sizeof(OLECHAR) * iAmount);
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#ifdef DEBUG
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// Here's some extra goodies to make sure the conversion isn't lossy, as we can also transfer binary data.
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// Can we reverse it correctly?
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char *pCompare = new char[iAmount];
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int iConvert = WideCharToMultiByte(CP_ACP, 0, *pBuffer, iAmount, pCompare, iAmount, NULL, NULL);
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ASSERT(iConvert);
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// Was the conversion correct?
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int iCompare = memcmp(pCompare, (pNetBuffer->m_pData + pNetBuffer->m_iHead), iAmount);
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ASSERT(!iCompare);
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delete [] pCompare;
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#endif
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#else
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memcpy(*pBuffer, (pNetBuffer->m_pData + pNetBuffer->m_iHead), iAmount);
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#endif
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pNetBuffer->m_iHead += iAmount;
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ASSERT(pNetBuffer->m_iHead <= pNetBuffer->m_iSize);
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// See if we should get rid of the buffer entry if completely read now.
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if(pNetBuffer->m_iHead == pNetBuffer->m_iSize) {
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// Get rid of it.
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m_cplBuffers.RemoveHead();
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delete pNetBuffer;
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}
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// Return the amount read.
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return(iAmount);
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}
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void CNetworkCX::Close()
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{
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// Destroy the URL, if we have one.
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if(m_pUrlData != NULL) {
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// We really should check for reentrancy, but can't, as this event could happen beyond our control, such
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// as the controlling application deleting their automation object.
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// Only do this if we are actually loading, as netlib has probably unregistered this otherwise...
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if(m_bStreamComplete == FALSE) {
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BOOL bOld = winfeInProcessNet;
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winfeInProcessNet = TRUE;
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NET_InterruptStream(m_pUrlData);
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winfeInProcessNet = bOld;
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}
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NET_FreeURLStruct(m_pUrlData);
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m_pUrlData = NULL;
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}
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// Reset the end of the buffer, our stutus, et al.
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CNetBuffer *pDelMe;
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while(m_cplBuffers.IsEmpty() == FALSE) {
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pDelMe = (CNetBuffer *)m_cplBuffers.RemoveHead();
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delete pDelMe;
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}
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m_lFlags = m_OK;
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m_csErrorMessage.Empty();
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m_bStreamComplete = TRUE;
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}
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BSTR CNetworkCX::GetUsername()
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{
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// Return what the current username is.
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// Up to caller to free the information.
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return m_csUsername.AllocSysString();
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}
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void CNetworkCX::SetUsername(LPCTSTR lpszNewValue)
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{
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// Modify the current username to be something new.
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if(lpszNewValue == NULL) {
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m_csUsername.Empty();
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return;
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}
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m_csUsername = lpszNewValue;
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}
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BSTR CNetworkCX::GetPassword()
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{
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// Return the current password setting.
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// Up to caller to free the information.
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return m_csPassword.AllocSysString();
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}
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void CNetworkCX::SetPassword(LPCTSTR lpszNewValue)
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{
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// Set the password to something new.
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if(lpszNewValue == NULL) {
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m_csPassword.Empty();
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return;
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}
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m_csPassword = lpszNewValue;
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}
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long CNetworkCX::GetStatus()
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{
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// Give them the current status flags since the last open occurred.
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return(m_lFlags);
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}
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BOOL CNetworkCX::GetFlagShowAllNews()
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{
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return m_bShowAllNews;
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}
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void CNetworkCX::SetFlagShowAllNews(BOOL bNewValue)
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{
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m_bShowAllNews = bNewValue;
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}
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BOOL CNetworkCX::GetFlagFancyFTP()
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{
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return m_bFancyFTP;
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}
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void CNetworkCX::SetFlagFancyFTP(BOOL bNewValue)
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{
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m_bFancyFTP = bNewValue;
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}
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BOOL CNetworkCX::GetFlagFancyNews()
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{
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return m_bFancyNews;
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}
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void CNetworkCX::SetFlagFancyNews(BOOL bNewValue)
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{
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m_bFancyNews = bNewValue;
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}
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int CNetworkCX::StreamWrite(const char *pWriteData, int32 lLength) {
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// if we don't have a url, then don't do this.
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if(m_pUrlData == NULL) {
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return(-1);
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}
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// We should never get called to copy over more data than is reported by StreamReady.
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// However, we don't care anymore.
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// Allocate a new buffer in which to store the data.
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ASSERT(lLength <= NETBUFSIZE);
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CNetBuffer *pNewBuf = new CNetBuffer(CASTINT(lLength));
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memcpy(pNewBuf->m_pData, pWriteData, pNewBuf->m_iSize);
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// Add it to the tail of our buffer list.
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m_cplBuffers.AddTail((void *)pNewBuf);
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return(MK_DATA_LOADED);
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}
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unsigned int CNetworkCX::StreamReady() {
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// If we don't have a URL, we won't take data.
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|
if(m_pUrlData == NULL) {
|
|
return(0);
|
|
}
|
|
|
|
// If we already have n entries in our buffered data, don't do this.
|
|
// We can however take more if the netlib screws up due to this new
|
|
// buffer system.
|
|
if(m_cplBuffers.IsEmpty() == FALSE && m_cplBuffers.GetCount() >= 10) {
|
|
return(0);
|
|
}
|
|
|
|
// Return our max allowed size, don't really care if they fulfill this
|
|
// completely.
|
|
return(NETBUFSIZE);
|
|
}
|
|
|
|
void CNetworkCX::StreamComplete() {
|
|
// Function not utilized.
|
|
// Stream complete considered to be the URL exit routine.
|
|
}
|
|
|
|
void CNetworkCX::StreamAbort(int iStatus) {
|
|
// Function not utilized.
|
|
// Stream complete considered to be the URL exit routine.
|
|
}
|
|
|
|
void CNetworkCX::GetUrlExitRoutine(URL_Struct *pUrl, int iStatus, MWContext *pContext) {
|
|
// URL is done loading.
|
|
m_bStreamComplete = TRUE;
|
|
|
|
// Check for internal loading errors.
|
|
if(iStatus != MK_DATA_LOADED) {
|
|
m_lFlags |= m_INTL;
|
|
}
|
|
else if(pUrl->server_status / 100 != 2 && pUrl->server_status / 100 != 3 && iStatus == MK_DATA_LOADED && pUrl->server_status != 0) {
|
|
m_lFlags |= m_SRVR;
|
|
}
|
|
|
|
// If we have any error message what so ever, then we will save it here and set that an error occurred.
|
|
if(m_lFlags & (m_SRVR | m_INTL)) {
|
|
if(pUrl->error_msg != NULL) {
|
|
if(strlen(pUrl->error_msg) != 0) {
|
|
m_lFlags |= m_ERRS;
|
|
m_csErrorMessage = pUrl->error_msg;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Call the base.
|
|
CStubsCX::GetUrlExitRoutine(pUrl, iStatus, pContext);
|
|
}
|
|
|
|
BSTR CNetworkCX::GetErrorMessage()
|
|
{
|
|
// Simply return any error message that we currently have.
|
|
return m_csErrorMessage.AllocSysString();
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
NET_StreamClass *nfe_OleStream(int iFormatOut, void *pDataObj, URL_Struct *pUrlData, MWContext *pContext) {
|
|
// Return a new stream class, pass the object along for the ride.
|
|
return(NET_NewStream("Netscape_Network_1",
|
|
nfe_StreamWrite,
|
|
nfe_StreamComplete,
|
|
nfe_StreamAbort,
|
|
nfe_StreamReady,
|
|
CX2VOID(pContext->fe.cx, CNetworkCX),
|
|
pContext));
|
|
}
|
|
|
|
int nfe_StreamWrite(NET_StreamClass *stream, const char *pWriteData, int32 lLength) {
|
|
void *pDataObj=stream->data_object;
|
|
CNetworkCX *pOle = VOID2CX(pDataObj, CNetworkCX);
|
|
|
|
// Have our object handle it.
|
|
return(pOle->StreamWrite(pWriteData, lLength));
|
|
}
|
|
|
|
void nfe_StreamComplete(NET_StreamClass *stream) {
|
|
void *pDataObj=stream->data_object;
|
|
CNetworkCX *pOle = VOID2CX(pDataObj, CNetworkCX);
|
|
|
|
// Have our object handle it.
|
|
pOle->StreamComplete();
|
|
}
|
|
|
|
void nfe_StreamAbort(NET_StreamClass *stream, int iStatus) {
|
|
void *pDataObj=stream->data_object;
|
|
CNetworkCX *pOle = VOID2CX(pDataObj, CNetworkCX);
|
|
|
|
// Have our object handle it.
|
|
pOle->StreamAbort(iStatus);
|
|
}
|
|
|
|
unsigned int nfe_StreamReady(NET_StreamClass *stream) {
|
|
void *pDataObj=stream->data_object;
|
|
CNetworkCX *pOle = VOID2CX(pDataObj, CNetworkCX);
|
|
|
|
// Have our object handle it.
|
|
return(pOle->StreamReady());
|
|
}
|
|
|
|
};
|
|
|
|
short CNetworkCX::GetServerStatus()
|
|
{
|
|
// Don't do this if we don't have a URL.
|
|
if(m_pUrlData == NULL) {
|
|
return(-1);
|
|
}
|
|
else if(m_bStreamComplete != TRUE) {
|
|
// Also can't do this unless the load is done.
|
|
return(-1);
|
|
}
|
|
|
|
return(m_pUrlData->server_status);
|
|
}
|
|
|
|
long CNetworkCX::GetContentLength()
|
|
{
|
|
// Don't do this if we don't have a URL.
|
|
if(m_pUrlData == NULL) {
|
|
return(-1);
|
|
}
|
|
|
|
return(m_pUrlData->content_length);
|
|
}
|
|
|
|
BSTR CNetworkCX::GetContentType()
|
|
{
|
|
// Don't do this if we don't have a URL.
|
|
if(m_pUrlData == NULL) {
|
|
return(NULL);
|
|
}
|
|
else if(m_pUrlData->content_type == NULL) {
|
|
return(NULL);
|
|
}
|
|
else if(strlen(m_pUrlData->content_type) == 0) {
|
|
return(NULL);
|
|
}
|
|
|
|
CString s = m_pUrlData->content_type;
|
|
return s.AllocSysString();
|
|
}
|
|
|
|
BSTR CNetworkCX::GetContentEncoding()
|
|
{
|
|
// Don't do this if we don't have a URL.
|
|
if(m_pUrlData == NULL) {
|
|
return(NULL);
|
|
}
|
|
else if(m_pUrlData->content_encoding == NULL) {
|
|
return(NULL);
|
|
}
|
|
else if(strlen(m_pUrlData->content_encoding) == 0) {
|
|
return(NULL);
|
|
}
|
|
|
|
CString s = m_pUrlData->content_encoding;
|
|
return s.AllocSysString();
|
|
}
|
|
|
|
BSTR CNetworkCX::GetExpires()
|
|
{
|
|
// Don't do this if we don't have a URL.
|
|
if(m_pUrlData == NULL) {
|
|
return(NULL);
|
|
}
|
|
else if(m_pUrlData->expires == (time_t)0) {
|
|
return(NULL);
|
|
}
|
|
|
|
char *pTime = ctime(&(m_pUrlData->expires));
|
|
if(pTime == NULL) {
|
|
return(NULL);
|
|
}
|
|
|
|
CString s = pTime;
|
|
return s.AllocSysString();
|
|
}
|
|
|
|
BSTR CNetworkCX::GetLastModified()
|
|
{
|
|
// Don't do this if we don't have a URL.
|
|
if(m_pUrlData == NULL) {
|
|
return(NULL);
|
|
}
|
|
else if(m_pUrlData->last_modified == (time_t)0) {
|
|
return(NULL);
|
|
}
|
|
|
|
char *pTime = ctime(&(m_pUrlData->last_modified));
|
|
if(pTime == NULL) {
|
|
return(NULL);
|
|
}
|
|
|
|
CString s = pTime;
|
|
return s.AllocSysString();
|
|
}
|
|
|
|
BSTR CNetworkCX::Resolve(LPCTSTR pBase, LPCTSTR pRelative)
|
|
{
|
|
// Have the netlib resolve the url stuff for us.
|
|
char *cpURL = NET_MakeAbsoluteURL((char *)pBase, (char *)pRelative);
|
|
if(cpURL == NULL) {
|
|
return(NULL);
|
|
}
|
|
|
|
CString s = cpURL;
|
|
XP_FREE(cpURL);
|
|
return s.AllocSysString();
|
|
}
|
|
|
|
BOOL CNetworkCX::IsFinished()
|
|
{
|
|
// Check for end of file condition.
|
|
if(m_cplBuffers.IsEmpty() && m_bStreamComplete == TRUE) {
|
|
return(TRUE);
|
|
}
|
|
|
|
return(FALSE);
|
|
}
|
|
|
|
short CNetworkCX::BytesReady()
|
|
{
|
|
// Check to see if there's any load ready.
|
|
if(m_cplBuffers.IsEmpty() && m_bStreamComplete == TRUE) {
|
|
return(0);
|
|
}
|
|
|
|
// Return the number of bytes we are currently ready to dish out.
|
|
CNetBuffer *pReady = (CNetBuffer *)m_cplBuffers.GetHead();
|
|
int iBuffer = pReady->m_iSize - pReady->m_iHead;
|
|
ASSERT(iBuffer);
|
|
return(iBuffer);
|
|
}
|