| 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 licence |
| 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 | #ifndef __WATCOMC__ |
| 32 | #include <netcons.h> |
| 33 | #include <netbios.h> |
| 34 | #endif |
| 35 | #endif |
| 36 | |
| 37 | #include <ctype.h> |
| 38 | #ifdef __EMX__ |
| 39 | #include <dirent.h> |
| 40 | #endif |
| 41 | |
| 42 | #include <sys/stat.h> |
| 43 | #include <io.h> |
| 44 | |
| 45 | #include <stdio.h> |
| 46 | #include <stdlib.h> |
| 47 | #include <string.h> |
| 48 | #include <errno.h> |
| 49 | #include <stdarg.h> |
| 50 | |
| 51 | |
| 52 | // this message is sent when the process we're waiting for terminates |
| 53 | #define wxWM_PROC_TERMINATED (WM_USER + 10000) |
| 54 | |
| 55 | #ifndef NO_ERROR |
| 56 | # define NO_ERROR 0 |
| 57 | #endif |
| 58 | |
| 59 | // structure describing the process we're being waiting for |
| 60 | struct wxExecuteData |
| 61 | { |
| 62 | public: |
| 63 | ~wxExecuteData() |
| 64 | { |
| 65 | // cout << "Closing thread: " << endl; |
| 66 | DosExit(EXIT_PROCESS, 0); |
| 67 | } |
| 68 | |
| 69 | HWND hWnd; // window to send wxWM_PROC_TERMINATED to [not used] |
| 70 | RESULTCODES vResultCodes; |
| 71 | wxProcess* pHandler; |
| 72 | ULONG ulExitCode; // the exit code of the process |
| 73 | bool bState; // set to false when the process finishes |
| 74 | }; |
| 75 | |
| 76 | static ULONG wxExecuteThread(wxExecuteData* pData) |
| 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(wxT("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( HWND hWnd, |
| 100 | ULONG ulMessage, |
| 101 | MPARAM WXUNUSED(wParam), |
| 102 | MPARAM lParam) |
| 103 | { |
| 104 | if (ulMessage == wxWM_PROC_TERMINATED) |
| 105 | { |
| 106 | wxExecuteData* pData = (wxExecuteData *)lParam; |
| 107 | |
| 108 | if (pData->pHandler) |
| 109 | { |
| 110 | pData->pHandler->OnTerminate( (int)pData->vResultCodes.codeTerminate |
| 111 | ,(int)pData->vResultCodes.codeResult |
| 112 | ); |
| 113 | } |
| 114 | |
| 115 | if (pData->bState) |
| 116 | { |
| 117 | // we're executing synchronously, tell the waiting thread |
| 118 | // that the process finished |
| 119 | pData->bState = 0; |
| 120 | } |
| 121 | else |
| 122 | { |
| 123 | // asynchronous execution - we should do the clean up |
| 124 | delete pData; |
| 125 | } |
| 126 | ::WinDestroyWindow(hWnd); // we don't need it any more |
| 127 | } |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | long wxExecute( const wxString& rCommand, |
| 132 | int flags, |
| 133 | wxProcess* pHandler) |
| 134 | { |
| 135 | if (rCommand.empty()) |
| 136 | { |
| 137 | // cout << "empty command in wxExecute." << endl; |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | // create the process |
| 142 | UCHAR vLoadError[CCHMAXPATH] = {0}; |
| 143 | RESULTCODES vResultCodes = {0}; |
| 144 | ULONG ulExecFlag; |
| 145 | PSZ zArgs = NULL; |
| 146 | PSZ zEnvs = NULL; |
| 147 | APIRET rc; |
| 148 | TID vTID; |
| 149 | |
| 150 | if (flags & wxEXEC_SYNC) |
| 151 | ulExecFlag = EXEC_SYNC; |
| 152 | else |
| 153 | ulExecFlag = EXEC_ASYNCRESULT; |
| 154 | |
| 155 | rc = ::DosExecPgm( (PCHAR)vLoadError |
| 156 | ,sizeof(vLoadError) |
| 157 | ,ulExecFlag |
| 158 | ,zArgs |
| 159 | ,zEnvs |
| 160 | ,&vResultCodes |
| 161 | ,(PSZ)rCommand.c_str() |
| 162 | ); |
| 163 | if (rc != NO_ERROR) |
| 164 | { |
| 165 | wxLogSysError(_("Execution of command '%s' failed with error: %ul"), rCommand.c_str(), rc); |
| 166 | return 0; |
| 167 | } |
| 168 | // cout << "Executing: " << rCommand.c_str() << endl; |
| 169 | // Alloc data |
| 170 | wxExecuteData* pData = new wxExecuteData; |
| 171 | |
| 172 | pData->vResultCodes = vResultCodes; |
| 173 | pData->hWnd = NULLHANDLE; |
| 174 | pData->bState = (flags & wxEXEC_SYNC) != 0; |
| 175 | if (flags & wxEXEC_SYNC) |
| 176 | { |
| 177 | wxASSERT_MSG(!pHandler, wxT("wxProcess param ignored for sync execution")); |
| 178 | pData->pHandler = NULL; |
| 179 | } |
| 180 | else |
| 181 | { |
| 182 | // may be NULL or not |
| 183 | pData->pHandler = pHandler; |
| 184 | } |
| 185 | |
| 186 | rc = ::DosCreateThread( &vTID |
| 187 | ,(PFNTHREAD)&wxExecuteThread |
| 188 | ,(ULONG)pData |
| 189 | ,CREATE_READY|STACK_SPARSE |
| 190 | ,8192 |
| 191 | ); |
| 192 | if (rc != NO_ERROR) |
| 193 | { |
| 194 | wxLogLastError(wxT("CreateThread in wxExecute")); |
| 195 | delete pData; |
| 196 | |
| 197 | // the process still started up successfully... |
| 198 | return vResultCodes.codeTerminate; |
| 199 | } |
| 200 | if (!(flags & wxEXEC_SYNC)) |
| 201 | { |
| 202 | // return the pid |
| 203 | // warning: don't exit your app unless you actively |
| 204 | // kill and cleanup you child processes |
| 205 | // Maybe detach the process here??? |
| 206 | // If cmd.exe need to pass DETACH to detach the process here |
| 207 | return vResultCodes.codeTerminate; |
| 208 | } |
| 209 | |
| 210 | // waiting until command executed |
| 211 | ::DosWaitThread(&vTID, DCWW_WAIT); |
| 212 | |
| 213 | ULONG ulExitCode = pData->vResultCodes.codeResult; |
| 214 | delete pData; |
| 215 | |
| 216 | // return the exit code |
| 217 | return (long)ulExitCode; |
| 218 | } |
| 219 | |
| 220 | long wxExecute( |
| 221 | char** ppArgv |
| 222 | , int flags |
| 223 | , wxProcess* pHandler |
| 224 | ) |
| 225 | { |
| 226 | wxString sCommand; |
| 227 | |
| 228 | while (*ppArgv != NULL) |
| 229 | { |
| 230 | wxString sArg((wxChar*)(*ppArgv++)); |
| 231 | |
| 232 | |
| 233 | sCommand << sArg.c_str() << ' '; |
| 234 | } |
| 235 | sCommand.RemoveLast(); |
| 236 | return wxExecute( sCommand |
| 237 | ,flags |
| 238 | ,pHandler |
| 239 | ); |
| 240 | } |
| 241 | |
| 242 | bool wxGetFullHostName( wxChar* zBuf, |
| 243 | int nMaxSize) |
| 244 | { |
| 245 | #if wxUSE_NET_API |
| 246 | char zServer[256]; |
| 247 | char zComputer[256]; |
| 248 | unsigned long ulLevel = 0; |
| 249 | unsigned char* zBuffer = NULL; |
| 250 | unsigned long ulBuffer = 256; |
| 251 | unsigned long* pulTotalAvail = NULL; |
| 252 | |
| 253 | NetBios32GetInfo( (const unsigned char*)zServer |
| 254 | ,(const unsigned char*)zComputer |
| 255 | ,ulLevel |
| 256 | ,zBuffer |
| 257 | ,ulBuffer |
| 258 | ,pulTotalAvail |
| 259 | ); |
| 260 | strncpy(zBuf, zComputer, nMaxSize); |
| 261 | zBuf[nMaxSize] = _T('\0'); |
| 262 | #else |
| 263 | wxUnusedVar(nMaxSize); |
| 264 | strcpy((char*)zBuf, "noname"); |
| 265 | #endif |
| 266 | return *zBuf ? true : false; |
| 267 | } |