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375 lines
13 KiB
C
375 lines
13 KiB
C
/*
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* ReactOS winfile
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*
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* network.c
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*
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* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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#include <windows.h>
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#include <commctrl.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <memory.h>
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#include <tchar.h>
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#include <process.h>
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#include <stdio.h>
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#include "main.h"
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#include "network.h"
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#include "trace.h"
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////////////////////////////////////////////////////////////////////////////////
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// Global Variables:
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//
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static HANDLE hNetworkMonitorThreadEvent = NULL; // When this event becomes signaled then we run the monitor thread
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static HMODULE hMPR;
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static BOOL bNetAvailable = FALSE;
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typedef DWORD (WINAPI *WNetCloseEnum_Ptr)(HANDLE);
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typedef DWORD (WINAPI *WNetConnectionDialog_Ptr)(HWND, DWORD);
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typedef DWORD (WINAPI *WNetDisconnectDialog_Ptr)(HWND, DWORD);
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typedef DWORD (WINAPI *WNetConnectionDialog1_Ptr)(LPCONNECTDLGSTRUCT);
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typedef DWORD (WINAPI *WNetDisconnectDialog1_Ptr)(LPDISCDLGSTRUCT);
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typedef DWORD (WINAPI *WNetEnumResourceA_Ptr)(HANDLE, LPDWORD, LPVOID, LPDWORD);
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typedef DWORD (WINAPI *WNetOpenEnumA_Ptr)(DWORD, DWORD, DWORD, LPNETRESOURCE, LPHANDLE);
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static WNetCloseEnum_Ptr pWNetCloseEnum;
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static WNetConnectionDialog_Ptr pWNetConnectionDialog;
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static WNetDisconnectDialog_Ptr pWNetDisconnectDialog;
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static WNetConnectionDialog1_Ptr pWNetConnectionDialog1;
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static WNetDisconnectDialog1_Ptr pWNetDisconnectDialog1;
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static WNetEnumResourceA_Ptr pWNetEnumResource;
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static WNetOpenEnumA_Ptr pWNetOpenEnum;
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////////////////////////////////////////////////////////////////////////////////
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// Local module support methods
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//
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static BOOL CheckNetworkAvailable(void)
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{
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hMPR = LoadLibrary(_T("MPR.DLL"));
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if (hMPR) {
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pWNetCloseEnum = (WNetCloseEnum_Ptr)(FARPROC)GetProcAddress(hMPR, "WNetCloseEnum");
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pWNetConnectionDialog = (WNetConnectionDialog_Ptr)(FARPROC)GetProcAddress(hMPR, "WNetConnectionDialog");
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pWNetDisconnectDialog = (WNetDisconnectDialog_Ptr)(FARPROC)GetProcAddress(hMPR, "WNetDisconnectDialog");
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pWNetConnectionDialog1 = (WNetConnectionDialog1_Ptr)(FARPROC)GetProcAddress(hMPR, "WNetConnectionDialog1");
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pWNetDisconnectDialog1 = (WNetDisconnectDialog1_Ptr)(FARPROC)GetProcAddress(hMPR, "WNetDisconnectDialog1");
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pWNetEnumResource = (WNetEnumResourceA_Ptr)(FARPROC)GetProcAddress(hMPR, "WNetEnumResourceA");
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pWNetOpenEnum = (WNetOpenEnumA_Ptr)(FARPROC)GetProcAddress(hMPR, "WNetOpenEnumA");
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// FreeLibrary(hMPR);
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bNetAvailable = TRUE;
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}
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return (hMPR != NULL);
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}
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static LRESULT CALLBACK EnumNetConnectionsProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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return 0;
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}
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/*
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DWORD WNetOpenEnum(
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DWORD dwScope, // scope of enumeration
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DWORD dwType, // resource types to list
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DWORD dwUsage, // resource usage to list
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LPNETRESOURCE lpNetResource, // resource structure
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LPHANDLE lphEnum // enumeration handle buffer
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);
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result = WNetOpenEnum(RESOURCE_CONNECTED, RESOURCETYPE_DISK, RESOURCEUSAGE_ALL, NULL, &EnumNetConnectionsProc);
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*/
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DWORD MapNetworkDrives(HWND hWnd, BOOL connect)
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{
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DWORD result = 0L;
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if (!bNetAvailable) return result;
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#if 1
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if (connect) {
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pWNetConnectionDialog(hWnd, RESOURCETYPE_DISK);
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} else {
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pWNetDisconnectDialog(hWnd, RESOURCETYPE_DISK);
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}
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#else
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if (connect) {
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NETRESOURCE netResouce;
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CONNECTDLGSTRUCT connectDlg;
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//netResouce.dwScope;
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//netResouce.dwType;
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netResouce.dwDisplayType = 0;
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//netResouce.dwUsage;
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//netResouce.lpLocalName;
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//netResouce.lpRemoteName;
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//netResouce.lpComment;
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//netResouce.lpProvider;
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//connectDlg.cbStructure;
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connectDlg.hwndOwner = hWnd;
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connectDlg.lpConnRes = &netResouce;
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//connectDlg.dwFlags;
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//connectDlg.dwDevNum;
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result = WNetConnectionDialog1(&connectDlg);
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} else {
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DISCDLGSTRUCT disconnectDlg;
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//disconnectDlg.cbStructure;
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disconnectDlg.hwndOwner = hWnd;
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//disconnectDlg.lpLocalName;
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//disconnectDlg.lpRemoteName;
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//disconnectDlg.dwFlags;
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result = pWNetDisconnectDialog1(&disconnectDlg);
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}
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#endif
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return result;
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}
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////////////////////////////////////
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static void NetErrorHandler(HWND hwnd, DWORD dwResult, LPTSTR str)
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{
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TRACE(_T("NetErrorHandler(0x%08X) %s\n"), dwResult, str);
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}
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static void DisplayStruct(HDC hdc, LPNETRESOURCE lpnrLocal)
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{
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LPTSTR str = NULL;
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//TRACE(_T("DisplayStruct(%p)\n"), lpnrLocal);
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switch (lpnrLocal->dwScope) {
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case RESOURCE_CONNECTED: str = _T("Enumerate currently connected resources. The dwUsage member cannot be specified."); break;
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case RESOURCE_GLOBALNET: str = _T("Enumerate all resources on the network. The dwUsage member is specified."); break;
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case RESOURCE_REMEMBERED: str = _T("Enumerate remembered (persistent) connections. The dwUsage member cannot be specified."); break;
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default: str = _T("Unknown Scope."); break;
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}
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//TRACE(_T(" %s\n"), str);
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switch (lpnrLocal->dwType) {
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case RESOURCETYPE_ANY: str = _T("All resources."); break;
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case RESOURCETYPE_DISK: str = _T("Disk resources."); break;
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case RESOURCETYPE_PRINT: str = _T("Print resources."); break;
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default: str = _T("Unknown Type."); break;
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}
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//TRACE(_T(" %s\n"), str);
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switch (lpnrLocal->dwDisplayType) {
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case RESOURCEDISPLAYTYPE_DOMAIN: str = _T("The object should be displayed as a domain."); break;
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case RESOURCEDISPLAYTYPE_SERVER: str = _T("The object should be displayed as a server."); break;
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case RESOURCEDISPLAYTYPE_SHARE: str = _T("The object should be displayed as a share."); break;
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case RESOURCEDISPLAYTYPE_GENERIC: str = _T("The method used to display the object does not matter."); break;
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default: str = _T("Unknown DisplayType."); break;
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}
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//TRACE(_T(" %s\n"), str);
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// switch (lpnrLocal->dwUsage ) {
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// case RESOURCEUSAGE_CONNECTABLE: str = _T("The resource is a connectable resource; the name pointed to by the lpRemoteName member can be passed to the WNetAddConnection function to make a network connection."); break;
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// case RESOURCEUSAGE_CONTAINER: str = _T("The resource is a container resource; the name pointed to by the lpRemoteName member can be passed to the WNetOpenEnum function to enumerate the resources in the container."); break;
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// default: str = _T("Unknown Usage."); break;
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// }
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//TRACE(_T("\tLocalName: %s\tRemoteName: %s"), lpnrLocal->lpLocalName, lpnrLocal->lpRemoteName);
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//TRACE(_T("\tComment: %s\tProvider: %s\n"), lpnrLocal->lpComment, lpnrLocal->lpProvider);
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}
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////////////////////////////////////
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static BOOL WINAPI EnumerateFunc(HWND hwnd, HDC hdc, LPNETRESOURCE lpnr)
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{
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DWORD dwResult;
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DWORD dwResultEnum;
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HANDLE hEnum;
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DWORD cbBuffer = 16384; // 16K is a good size
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DWORD cEntries = -1; // enumerate all possible entries
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LPNETRESOURCE lpnrLocal; // pointer to enumerated structures
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DWORD i;
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if (!bNetAvailable) return FALSE;
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// Call the WNetOpenEnum function to begin the enumeration.
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dwResult = pWNetOpenEnum(RESOURCE_GLOBALNET, // all network resources
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// RESOURCETYPE_ANY, // all resources
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RESOURCETYPE_DISK, // disk resources only, exlude printers
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0, // enumerate all resources
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lpnr, // NULL first time the function is called
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&hEnum); // handle to the resource
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if (dwResult != NO_ERROR) {
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// Process errors with an application-defined error handler.
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NetErrorHandler(hwnd, dwResult, (LPTSTR)_T("WNetOpenEnum"));
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return FALSE;
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}
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// Call the GlobalAlloc function to allocate resources.
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lpnrLocal = (LPNETRESOURCE)GlobalAlloc(GPTR, cbBuffer);
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do {
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// Initialize the buffer.
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ZeroMemory(lpnrLocal, cbBuffer);
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// Call the WNetEnumResource function to continue the enumeration.
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dwResultEnum = pWNetEnumResource(hEnum, // resource handle
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&cEntries, // defined locally as -1
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lpnrLocal, // LPNETRESOURCE
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&cbBuffer); // buffer size
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// If the call succeeds, loop through the structures.
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if (dwResultEnum == NO_ERROR) {
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for (i = 0; i < cEntries; i++) {
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// Call an application-defined function to display the contents of the NETRESOURCE structures.
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DisplayStruct(hdc, &lpnrLocal[i]);
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// If the NETRESOURCE structure represents a container resource, call the EnumerateFunc function recursively.
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if (RESOURCEUSAGE_CONTAINER == (lpnrLocal[i].dwUsage & RESOURCEUSAGE_CONTAINER))
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if (!EnumerateFunc(hwnd, hdc, &lpnrLocal[i])) {
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//TextOut(hdc, 10, 10, _T("EnumerateFunc returned FALSE."), 29);
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TRACE(_T("EnumerateFunc returned FALSE.\n"));
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}
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}
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}
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// Process errors.
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else if (dwResultEnum != ERROR_NO_MORE_ITEMS) {
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NetErrorHandler(hwnd, dwResultEnum, (LPTSTR)_T("WNetEnumResource"));
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break;
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}
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}
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// End do.
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while (dwResultEnum != ERROR_NO_MORE_ITEMS);
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// Call the GlobalFree function to free the memory.
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GlobalFree((HGLOBAL)lpnrLocal);
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// Call WNetCloseEnum to end the enumeration.
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dwResult = pWNetCloseEnum(hEnum);
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if (dwResult != NO_ERROR) {
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// Process errors.
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NetErrorHandler(hwnd, dwResult, (LPTSTR)_T("WNetCloseEnum"));
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return FALSE;
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}
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return TRUE;
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}
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/*
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DWORD WNetConnectionDialog(
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HWND hwnd, // handle to window owning dialog box
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DWORD dwType // resource type
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);
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DWORD WNetAddConnection(
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LPCTSTR lpRemoteName, // network device name
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LPCTSTR lpPassword, // password
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LPCTSTR lpLocalName // local device name
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);
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DWORD WNetOpenEnum(
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DWORD dwScope, // scope of enumeration
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DWORD dwType, // resource types to list
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DWORD dwUsage, // resource usage to list
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LPNETRESOURCE lpNetResource, // resource structure
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LPHANDLE lphEnum // enumeration handle buffer
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);
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*/
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////////////////////////////////////////////////////////////////////////////////
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void NetworkMonitorThreadProc(void *lpParameter)
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{
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// ULONG OldProcessorUsage = 0;
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// ULONG OldProcessCount = 0;
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HWND hWnd = (HWND)lpParameter;
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// Create the event
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hNetworkMonitorThreadEvent = CreateEvent(NULL, TRUE, TRUE, _T("Winfile Network Monitor Event"));
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// If we couldn't create the event then exit the thread
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if (!hNetworkMonitorThreadEvent)
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return;
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while (1) {
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DWORD dwWaitVal;
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// Wait on the event
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dwWaitVal = WaitForSingleObject(hNetworkMonitorThreadEvent, INFINITE);
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// If the wait failed then the event object must have been
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// closed and the task manager is exiting so exit this thread
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if (dwWaitVal == WAIT_FAILED) {
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// CloseHandle(hNetworkMonitorThreadEvent); // Should we close the event object handle or not ???
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// hNetworkMonitorThreadEvent = NULL; // if we do then check what happens when main thread tries to delete it also....
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return;
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}
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if (dwWaitVal == WAIT_OBJECT_0) {
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// Reset our event
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ResetEvent(hNetworkMonitorThreadEvent);
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if ( EnumerateFunc(hWnd, NULL, NULL) ) {
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}
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#if 0
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TCHAR text[260];
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if ((ULONG)SendMessage(hProcessPageListCtrl, LVM_GETITEMCOUNT, 0, 0) != PerfDataGetProcessCount())
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SendMessage(hProcessPageListCtrl, LVM_SETITEMCOUNT, PerfDataGetProcessCount(), /*LVSICF_NOINVALIDATEALL|*/LVSICF_NOSCROLL);
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if (IsWindowVisible(hProcessPage))
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InvalidateRect(hProcessPageListCtrl, NULL, FALSE);
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if (OldProcessorUsage != PerfDataGetProcessorUsage()) {
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OldProcessorUsage = PerfDataGetProcessorUsage();
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wsprintf(text, _T("CPU Usage: %3d%%"), OldProcessorUsage);
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SendMessage(hStatusWnd, SB_SETTEXT, 1, (LPARAM)text);
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}
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if (OldProcessCount != PerfDataGetProcessCount()) {
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OldProcessCount = PerfDataGetProcessCount();
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wsprintf(text, _T("Processes: %d"), OldProcessCount);
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SendMessage(hStatusWnd, SB_SETTEXT, 0, (LPARAM)text);
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}
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#endif
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}
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}
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}
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BOOL CreateNetworkMonitorThread(HWND hWnd)
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{
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CheckNetworkAvailable();
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_beginthread(NetworkMonitorThreadProc, 0, hWnd);
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return TRUE;
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}
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void SignalNetworkMonitorEvent(void)
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{
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SetEvent(hNetworkMonitorThreadEvent);
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}
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BOOL DestryNetworkMonitorThread(void)
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{
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CloseHandle(hNetworkMonitorThreadEvent);
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hNetworkMonitorThreadEvent = NULL;
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return TRUE;
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}
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