| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: utilsexec.cpp |
| 3 | // Purpose: Various utilities |
| 4 | // Author: David Webster |
| 5 | // Modified by: |
| 6 | // Created: 10/17/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) David Webster |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifndef WX_PRECOMP |
| 16 | #include "wx/setup.h" |
| 17 | #include "wx/utils.h" |
| 18 | #include "wx/app.h" |
| 19 | #include "wx/intl.h" |
| 20 | #endif |
| 21 | |
| 22 | #include "wx/log.h" |
| 23 | |
| 24 | #include "wx/process.h" |
| 25 | |
| 26 | #include "wx/os2/private.h" |
| 27 | |
| 28 | #define PURE_32 |
| 29 | #ifndef __EMX__ |
| 30 | #include <upm.h> |
| 31 | #include <netcons.h> |
| 32 | #include <netbios.h> |
| 33 | #endif |
| 34 | |
| 35 | #include <ctype.h> |
| 36 | #ifdef __EMX__ |
| 37 | #include <dirent.h> |
| 38 | #endif |
| 39 | |
| 40 | #include <sys/stat.h> |
| 41 | #include <io.h> |
| 42 | |
| 43 | #include <stdio.h> |
| 44 | #include <stdlib.h> |
| 45 | #include <string.h> |
| 46 | #include <errno.h> |
| 47 | #include <stdarg.h> |
| 48 | |
| 49 | |
| 50 | // this message is sent when the process we're waiting for terminates |
| 51 | #define wxWM_PROC_TERMINATED (WM_USER + 10000) |
| 52 | |
| 53 | #ifndef NO_ERROR |
| 54 | # define NO_ERROR 0 |
| 55 | #endif |
| 56 | |
| 57 | // structure describing the process we're being waiting for |
| 58 | struct wxExecuteData |
| 59 | { |
| 60 | public: |
| 61 | ~wxExecuteData() |
| 62 | { |
| 63 | // cout << "Closing thread: " << endl; |
| 64 | DosExit(EXIT_PROCESS, 0); |
| 65 | } |
| 66 | |
| 67 | HWND hWnd; // window to send wxWM_PROC_TERMINATED to [not used] |
| 68 | RESULTCODES vResultCodes; |
| 69 | wxProcess* pHandler; |
| 70 | ULONG ulExitCode; // the exit code of the process |
| 71 | bool bState; // set to FALSE when the process finishes |
| 72 | }; |
| 73 | |
| 74 | static ULONG wxExecuteThread( |
| 75 | wxExecuteData* pData |
| 76 | ) |
| 77 | { |
| 78 | ULONG ulRc; |
| 79 | PID vPidChild; |
| 80 | |
| 81 | // cout << "Executing thread: " << endl; |
| 82 | |
| 83 | ulRc = ::DosWaitChild( DCWA_PROCESSTREE |
| 84 | ,DCWW_NOWAIT |
| 85 | ,&pData->vResultCodes |
| 86 | ,&vPidChild |
| 87 | ,pData->vResultCodes.codeTerminate // process PID to look at |
| 88 | ); |
| 89 | if (ulRc != NO_ERROR) |
| 90 | { |
| 91 | wxLogLastError("DosWaitChild"); |
| 92 | } |
| 93 | delete pData; |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | // window procedure of a hidden window which is created just to receive |
| 98 | // the notification message when a process exits |
| 99 | MRESULT APIENTRY wxExecuteWindowCbk( |
| 100 | HWND hWnd |
| 101 | , ULONG ulMessage |
| 102 | , MPARAM wParam |
| 103 | , MPARAM lParam |
| 104 | ) |
| 105 | { |
| 106 | if (ulMessage == wxWM_PROC_TERMINATED) |
| 107 | { |
| 108 | wxExecuteData* pData = (wxExecuteData *)lParam; |
| 109 | |
| 110 | if (pData->pHandler) |
| 111 | { |
| 112 | pData->pHandler->OnTerminate( (int)pData->vResultCodes.codeTerminate |
| 113 | ,(int)pData->vResultCodes.codeResult |
| 114 | ); |
| 115 | } |
| 116 | |
| 117 | if (pData->bState) |
| 118 | { |
| 119 | // we're executing synchronously, tell the waiting thread |
| 120 | // that the process finished |
| 121 | pData->bState = 0; |
| 122 | } |
| 123 | else |
| 124 | { |
| 125 | // asynchronous execution - we should do the clean up |
| 126 | delete pData; |
| 127 | } |
| 128 | ::WinDestroyWindow(hWnd); // we don't need it any more |
| 129 | } |
| 130 | return 0; |
| 131 | } |
| 132 | |
| 133 | extern wxChar wxPanelClassName[]; |
| 134 | |
| 135 | long wxExecute( |
| 136 | const wxString& rCommand |
| 137 | , bool bSync |
| 138 | , wxProcess* pHandler |
| 139 | ) |
| 140 | { |
| 141 | if (rCommand.IsEmpty()) |
| 142 | { |
| 143 | // cout << "empty command in wxExecute." << endl; |
| 144 | return 0; |
| 145 | } |
| 146 | |
| 147 | // create the process |
| 148 | UCHAR vLoadError[CCHMAXPATH] = {0}; |
| 149 | RESULTCODES vResultCodes = {0}; |
| 150 | ULONG ulExecFlag; |
| 151 | PSZ zArgs = NULL; |
| 152 | PSZ zEnvs = NULL; |
| 153 | ULONG ulWindowId; |
| 154 | APIRET rc; |
| 155 | PFNWP pOldProc; |
| 156 | TID vTID; |
| 157 | |
| 158 | if (bSync) |
| 159 | ulExecFlag = EXEC_SYNC; |
| 160 | else |
| 161 | ulExecFlag = EXEC_ASYNCRESULT; |
| 162 | |
| 163 | rc = ::DosExecPgm( (PCHAR)vLoadError |
| 164 | ,sizeof(vLoadError) |
| 165 | ,ulExecFlag |
| 166 | ,zArgs |
| 167 | ,zEnvs |
| 168 | ,&vResultCodes |
| 169 | ,(PSZ)rCommand.c_str() |
| 170 | ); |
| 171 | if (rc != NO_ERROR) |
| 172 | { |
| 173 | wxLogSysError(_("Execution of command '%s' failed with error: %ul"), rCommand.c_str(), rc); |
| 174 | return 0; |
| 175 | } |
| 176 | // cout << "Executing: " << rCommand.c_str() << endl; |
| 177 | // Alloc data |
| 178 | wxExecuteData* pData = new wxExecuteData; |
| 179 | |
| 180 | pData->vResultCodes = vResultCodes; |
| 181 | pData->hWnd = NULLHANDLE; |
| 182 | pData->bState = bSync; |
| 183 | if (bSync) |
| 184 | { |
| 185 | wxASSERT_MSG(!pHandler, wxT("wxProcess param ignored for sync execution")); |
| 186 | pData->pHandler = NULL; |
| 187 | } |
| 188 | else |
| 189 | { |
| 190 | // may be NULL or not |
| 191 | pData->pHandler = pHandler; |
| 192 | } |
| 193 | |
| 194 | rc = ::DosCreateThread( &vTID |
| 195 | ,(PFNTHREAD)&wxExecuteThread |
| 196 | ,(ULONG)pData |
| 197 | ,CREATE_READY|STACK_SPARSE |
| 198 | ,8192 |
| 199 | ); |
| 200 | if (rc != NO_ERROR) |
| 201 | { |
| 202 | wxLogLastError("CreateThread in wxExecute"); |
| 203 | delete pData; |
| 204 | |
| 205 | // the process still started up successfully... |
| 206 | return vResultCodes.codeTerminate; |
| 207 | } |
| 208 | if (!bSync) |
| 209 | { |
| 210 | // return the pid |
| 211 | // warning: don't exit your app unless you actively |
| 212 | // kill and cleanup you child processes |
| 213 | // Maybe detach the process here??? |
| 214 | // If cmd.exe need to pass DETACH to detach the process here |
| 215 | return vResultCodes.codeTerminate; |
| 216 | } |
| 217 | |
| 218 | // waiting until command executed |
| 219 | ::DosWaitThread(&vTID, DCWW_WAIT); |
| 220 | |
| 221 | ULONG ulExitCode = pData->vResultCodes.codeResult; |
| 222 | delete pData; |
| 223 | |
| 224 | // return the exit code |
| 225 | return (long)ulExitCode; |
| 226 | } |
| 227 | |
| 228 | long wxExecute( |
| 229 | char** ppArgv |
| 230 | , bool bSync |
| 231 | , wxProcess* pHandler |
| 232 | ) |
| 233 | { |
| 234 | wxString sCommand; |
| 235 | |
| 236 | while (*ppArgv != NULL) |
| 237 | { |
| 238 | sCommand << *ppArgv++ << ' '; |
| 239 | } |
| 240 | sCommand.RemoveLast(); |
| 241 | return wxExecute( sCommand |
| 242 | ,bSync |
| 243 | ,pHandler |
| 244 | ); |
| 245 | } |
| 246 | |
| 247 | bool wxGetFullHostName( |
| 248 | wxChar* zBuf |
| 249 | , int nMaxSize |
| 250 | ) |
| 251 | { |
| 252 | #if wxUSE_NET_API |
| 253 | char zServer[256]; |
| 254 | char zComputer[256]; |
| 255 | unsigned long ulLevel = 0; |
| 256 | unsigned char* zBuffer = NULL; |
| 257 | unsigned long ulBuffer = 256; |
| 258 | unsigned long* pulTotalAvail = NULL; |
| 259 | |
| 260 | NetBios32GetInfo( (const unsigned char*)zServer |
| 261 | ,(const unsigned char*)zComputer |
| 262 | ,ulLevel |
| 263 | ,zBuffer |
| 264 | ,ulBuffer |
| 265 | ,pulTotalAvail |
| 266 | ); |
| 267 | strncpy(zBuf, zComputer, nMaxSize); |
| 268 | zBuf[nMaxSize] = _T('\0'); |
| 269 | #else |
| 270 | strcpy(zBuf, "noname"); |
| 271 | #endif |
| 272 | return *zBuf ? TRUE : FALSE; |
| 273 | return TRUE; |
| 274 | } |
| 275 | |