| 1 | /* |
| 2 | * symbian_utils.cpp |
| 3 | * |
| 4 | * Copyright (c) Nokia 2004-2005. All rights reserved. |
| 5 | * This code is licensed under the same terms as Perl itself. |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #define SYMBIAN_UTILS_CPP |
| 10 | #include <e32base.h> |
| 11 | #include <e32std.h> |
| 12 | #include <utf.h> |
| 13 | #include <hal.h> |
| 14 | |
| 15 | #include <eikenv.h> |
| 16 | |
| 17 | #include <string.h> |
| 18 | #include <ctype.h> |
| 19 | |
| 20 | #include "PerlUi.h" |
| 21 | #include "PerlBase.h" |
| 22 | #include "PerlUtil.h" |
| 23 | |
| 24 | #include "EXTERN.h" |
| 25 | #include "perl.h" |
| 26 | #include "XSUB.h" |
| 27 | |
| 28 | extern "C" { |
| 29 | EXPORT_C int symbian_sys_init(int *argcp, char ***argvp) |
| 30 | { |
| 31 | #ifdef PERL_GLOBAL_STRUCT /* Avoid unused variable warning. */ |
| 32 | dVAR; |
| 33 | #endif |
| 34 | (void)times(&PL_timesbase); |
| 35 | return 0; |
| 36 | } |
| 37 | XS(XS_PerlApp_TextQuery) // Can't be made static because of XS(). |
| 38 | { |
| 39 | dXSARGS; |
| 40 | if (items != 0) |
| 41 | Perl_croak(aTHX_ "PerlApp::TextQuery: no arguments, please"); |
| 42 | SP -= items; |
| 43 | // TODO: parse arguments for title, prompt, and maxsize. |
| 44 | // Suggested syntax: |
| 45 | // TextQuery(title => ..., prompt => ..., maxsize => ...) |
| 46 | // For an example see e.g. universal.c:XS_PerlIO_get_layers(). |
| 47 | _LIT(KTitle, "Title"); |
| 48 | _LIT(KPrompt, "Prompt"); |
| 49 | HBufC* cData = HBufC::New(KPerlUiOneLinerSize); |
| 50 | TBool cSuccess = EFalse; |
| 51 | if (cData) { |
| 52 | TPtr cPtr(cData->Des()); |
| 53 | if (CPerlUi::TextQueryDialogL(KTitle, |
| 54 | KPrompt, |
| 55 | cPtr, |
| 56 | KPerlUiOneLinerSize)) { |
| 57 | ST(0) = sv_2mortal(PerlUtil::newSvPVfromTDesC16(*cData)); |
| 58 | cSuccess = ETrue; |
| 59 | } |
| 60 | delete cData; |
| 61 | } |
| 62 | if (cSuccess) |
| 63 | XSRETURN(1); |
| 64 | else |
| 65 | XSRETURN_UNDEF; |
| 66 | } |
| 67 | EXPORT_C void init_os_extras(void) |
| 68 | { |
| 69 | dTHX; |
| 70 | char *file = __FILE__; |
| 71 | dXSUB_SYS; |
| 72 | newXS("PerlApp::TextQuery", XS_PerlApp_TextQuery, file); |
| 73 | } |
| 74 | EXPORT_C SSize_t symbian_read_stdin(const int fd, char *b, int n) |
| 75 | { |
| 76 | #ifdef PERL_GLOBAL_STRUCT /* Avoid unused variable warning. */ |
| 77 | dVAR; |
| 78 | #endif |
| 79 | return ((CPerlBase*)PL_appctx)->ConsoleRead(fd, b, n); |
| 80 | } |
| 81 | EXPORT_C SSize_t symbian_write_stdout(const int fd, const char *b, int n) |
| 82 | { |
| 83 | #ifdef PERL_GLOBAL_STRUCT /* Avoid unused variable warning. */ |
| 84 | dVAR; |
| 85 | #endif |
| 86 | return ((CPerlBase*)PL_appctx)->ConsoleWrite(fd, b, n); |
| 87 | } |
| 88 | static const char NullErr[] = ""; |
| 89 | EXPORT_C char* symbian_get_error_string(TInt error) |
| 90 | { |
| 91 | // CTextResolver seems to be unreliable, so we roll our own |
| 92 | // at least for the basic Symbian errors (this does not cover |
| 93 | // the various subsystems). |
| 94 | dTHX; |
| 95 | if (error >= 0) |
| 96 | return strerror(error); |
| 97 | error = -error; // flip |
| 98 | const TInt KErrStringMax = 256; |
| 99 | typedef struct { |
| 100 | const char* kerr; |
| 101 | const char* desc; |
| 102 | } kerritem; |
| 103 | static const kerritem kerrtable[] = { |
| 104 | { "None", /* 0 */ "No error"}, |
| 105 | { "NotFound", /* -1 */ "Unable to find the specified object"}, |
| 106 | { "General", /* -2 */ "General (unspecified) error"}, |
| 107 | { "Cancel", /* -3 */ "The operation was cancelled"}, |
| 108 | { "NoMemory", /* -4 */ "Not enough memory"}, |
| 109 | { "NotSupported", /* -5 */ "The operation requested is not supported"}, |
| 110 | { "Argument", /* -6 */ "Bad request"}, |
| 111 | { "TotalLossOfPrecision", |
| 112 | /* -7 */ "Total loss of precision"}, |
| 113 | { "BadHandle", /* -8 */ "Bad object"}, |
| 114 | { "Overflow", /* -9 */ "Overflow"}, |
| 115 | { "Underflow", /* -10 */ "Underflow"}, |
| 116 | { "AlreadyExists", /* -11 */ "Already exists"}, |
| 117 | { "PathNotFound", /* -12 */ "Unable to find the specified folder"}, |
| 118 | { "Died", /* -13 */ "Closed"}, |
| 119 | { "InUse", /* -14 */ |
| 120 | "The specified object is currently in use by another program"}, |
| 121 | { "ServerTerminated", /* -15 */ "Server has closed"}, |
| 122 | { "ServerBusy", /* -16 */ "Server busy"}, |
| 123 | { "Completion", /* -17 */ "Completion error"}, |
| 124 | { "NotReady", /* -18 */ "Not ready"}, |
| 125 | { "Unknown", /* -19 */ "Unknown error"}, |
| 126 | { "Corrupt", /* -20 */ "Corrupt"}, |
| 127 | { "AccessDenied", /* -21 */ "Access denied"}, |
| 128 | { "Locked", /* -22 */ "Locked"}, |
| 129 | { "Write", /* -23 */ "Failed to write"}, |
| 130 | { "DisMounted", /* -24 */ "Wrong disk present"}, |
| 131 | { "Eof", /* -25 */ "Unexpected end of file"}, |
| 132 | { "DiskFull", /* -26 */ "Disk full"}, |
| 133 | { "BadDriver", /* -27 */ "Bad device driver"}, |
| 134 | { "BadName", /* -28 */ "Bad name"}, |
| 135 | { "CommsLineFail", /* -29 */ "Comms line failed"}, |
| 136 | { "CommsFrame", /* -30 */ "Comms frame error"}, |
| 137 | { "CommsOverrun", /* -31 */ "Comms overrun error"}, |
| 138 | { "CommsParity", /* -32 */ "Comms parity error"}, |
| 139 | { "TimedOut", /* -33 */ "Timed out"}, |
| 140 | { "CouldNotConnect",/* -34 */ "Failed to connect"}, |
| 141 | { "CouldNotDisconnect", |
| 142 | /* -35 */ "Failed to disconnect"}, |
| 143 | { "Disconnected", /* -36 */ "Disconnected"}, |
| 144 | { "BadLibraryEntryPoint", |
| 145 | /* -37 */ "Bad library entry point"}, |
| 146 | { "BadDescriptor", /* -38 */ "Bad descriptor"}, |
| 147 | { "Abort", /* -39 */ "Interrupted"}, |
| 148 | { "TooBig", /* -40 */ "Too big"}, |
| 149 | { "DivideByZero", /* -41 */ "Divide by zero"}, |
| 150 | { "BadPower", /* -42 */ "Batteries too low"}, |
| 151 | { "DirFull", /* -43 */ "Folder full"}, |
| 152 | { "KErrHardwareNotAvailable", |
| 153 | /* -44 */ "Hardware is not available"}, |
| 154 | { "SessionClosed", /* -45 */ "Session was closed"}, |
| 155 | { "PermissionDenied", |
| 156 | /* -46 */ "Permission denied"} |
| 157 | }; |
| 158 | const TInt n = sizeof(kerrtable) / sizeof(kerritem *); |
| 159 | TBuf8<KErrStringMax> buf8; |
| 160 | if (error >= 0 && error < n) { |
| 161 | const char *kerr = kerrtable[error].kerr; |
| 162 | const char *desc = kerrtable[error].desc; |
| 163 | const TPtrC8 kerrp((const unsigned char *)kerr, strlen(kerr)); |
| 164 | const TPtrC8 descp((const unsigned char *)desc, strlen(desc)); |
| 165 | TBuf8<KErrStringMax> ckerr; |
| 166 | TBuf8<KErrStringMax> cdesc; |
| 167 | ckerr.Copy(kerrp); |
| 168 | cdesc.Copy(descp); |
| 169 | buf8.Format(_L8("K%S (%d) %S"), &ckerr, error, &cdesc); |
| 170 | |
| 171 | } else { |
| 172 | buf8.Format(_L8("Symbian error %d"), error); |
| 173 | } |
| 174 | SV* sv = Perl_get_sv(aTHX_ "\005", TRUE); /* $^E or ${^OS_ERROR} */ |
| 175 | if (!sv) |
| 176 | return (char*)NullErr; |
| 177 | sv_setpv(sv, (const char *)buf8.PtrZ()); |
| 178 | return SvPV_nolen(sv); |
| 179 | } |
| 180 | EXPORT_C void symbian_sleep_usec(const long usec) |
| 181 | { |
| 182 | User::After((TTimeIntervalMicroSeconds32) usec); |
| 183 | } |
| 184 | #define PERL_SYMBIAN_CLK_TCK 100 |
| 185 | EXPORT_C int symbian_get_cpu_time(long* sec, long* usec) |
| 186 | { |
| 187 | // The RThread().GetCpuTime() does not seem to work? |
| 188 | // (it always returns KErrNotSupported) |
| 189 | // TTimeIntervalMicroSeconds ti; |
| 190 | // TInt err = me.GetCpuTime(ti); |
| 191 | dTHX; |
| 192 | TInt periodus; /* tick period in microseconds */ |
| 193 | if (HAL::Get(HALData::ESystemTickPeriod, periodus) != KErrNone) |
| 194 | return -1; |
| 195 | TUint tick = User::TickCount(); |
| 196 | if (PL_timesbase.tms_utime == 0) { |
| 197 | PL_timesbase.tms_utime = tick; |
| 198 | PL_clocktick = PERL_SYMBIAN_CLK_TCK; |
| 199 | } |
| 200 | tick -= PL_timesbase.tms_utime; |
| 201 | TInt64 tickus = TInt64(tick) * TInt64(periodus); |
| 202 | TInt64 tmps = tickus / 1000000; |
| 203 | if (sec) *sec = tmps.Low(); |
| 204 | if (usec) *usec = tickus.Low() - tmps.Low() * 1000000; |
| 205 | return 0; |
| 206 | } |
| 207 | EXPORT_C int symbian_usleep(unsigned int usec) |
| 208 | { |
| 209 | if (usec >= 1000000) { |
| 210 | errno = EINVAL; |
| 211 | return -1; |
| 212 | } |
| 213 | symbian_sleep_usec((const long) usec); |
| 214 | return 0; |
| 215 | } |
| 216 | #define SEC_USEC_TO_CLK_TCK(s, u) \ |
| 217 | (((s) * PERL_SYMBIAN_CLK_TCK) + (u / (1000000 / PERL_SYMBIAN_CLK_TCK))) |
| 218 | EXPORT_C clock_t symbian_times(struct tms *tmsbuf) |
| 219 | { |
| 220 | long s, u; |
| 221 | if (symbian_get_cpu_time(&s, &u) == -1) { |
| 222 | errno = EINVAL; |
| 223 | return -1; |
| 224 | } else { |
| 225 | tmsbuf->tms_utime = SEC_USEC_TO_CLK_TCK(s, u); |
| 226 | tmsbuf->tms_stime = 0; |
| 227 | tmsbuf->tms_cutime = 0; |
| 228 | tmsbuf->tms_cstime = 0; |
| 229 | return tmsbuf->tms_utime; |
| 230 | } |
| 231 | } |
| 232 | class CProcessWait : public CActive |
| 233 | { |
| 234 | public: |
| 235 | CProcessWait() : CActive(EPriorityStandard) { |
| 236 | CActiveScheduler::Add(this); |
| 237 | } |
| 238 | #ifdef __WINS__ |
| 239 | TInt Wait(RThread& aProcess) |
| 240 | #else |
| 241 | TInt Wait(RProcess& aProcess) |
| 242 | #endif |
| 243 | { |
| 244 | aProcess.Logon(iStatus); |
| 245 | aProcess.Resume(); |
| 246 | SetActive(); |
| 247 | CActiveScheduler::Start(); |
| 248 | return iStatus.Int(); |
| 249 | } |
| 250 | private: |
| 251 | void DoCancel() {;} |
| 252 | void RunL() { |
| 253 | CActiveScheduler::Stop(); |
| 254 | } |
| 255 | }; |
| 256 | class CSpawnIoRedirect : public CBase |
| 257 | { |
| 258 | public: |
| 259 | CSpawnIoRedirect(); |
| 260 | // NOTE: there is no real implementation of I/O redirection yet. |
| 261 | protected: |
| 262 | private: |
| 263 | }; |
| 264 | CSpawnIoRedirect::CSpawnIoRedirect() |
| 265 | { |
| 266 | } |
| 267 | typedef enum { |
| 268 | ESpawnNone = 0x00000000, |
| 269 | ESpawnWait = 0x00000001 |
| 270 | } TSpawnFlag; |
| 271 | static int symbian_spawn(const TDesC& aFilename, |
| 272 | const TDesC& aCommand, |
| 273 | const TSpawnFlag aFlag, |
| 274 | const CSpawnIoRedirect& aIoRedirect) { |
| 275 | TInt error = KErrNone; |
| 276 | #ifdef __WINS__ |
| 277 | const TInt KStackSize = 0x1000; |
| 278 | const TInt KHeapMin = 0x1000; |
| 279 | const TInt KHeapMax = 0x100000; |
| 280 | RThread proc; |
| 281 | RLibrary lib; |
| 282 | HBufC* command = aCommand.Alloc(); |
| 283 | error = lib.Load(aFilename); |
| 284 | if (error == KErrNone) { |
| 285 | TThreadFunction func = (TThreadFunction)(lib.Lookup(1)); |
| 286 | if (func) |
| 287 | error = proc.Create(aFilename, |
| 288 | func, |
| 289 | KStackSize, |
| 290 | (TAny*)command, |
| 291 | &lib, |
| 292 | RThread().Heap(), |
| 293 | KHeapMin, |
| 294 | KHeapMax, |
| 295 | EOwnerProcess); |
| 296 | else |
| 297 | error = KErrNotFound; |
| 298 | lib.Close(); |
| 299 | } |
| 300 | else |
| 301 | delete command; |
| 302 | #else |
| 303 | RProcess proc; |
| 304 | error = proc.Create(aFilename, aCommand); |
| 305 | #endif |
| 306 | if (error == KErrNone) { |
| 307 | if ((TInt)aFlag & (TInt)ESpawnWait) { |
| 308 | CProcessWait* w = new CProcessWait(); |
| 309 | if (w) { |
| 310 | error = w->Wait(proc); |
| 311 | delete w; |
| 312 | } else |
| 313 | error = KErrNoMemory; |
| 314 | } else |
| 315 | proc.Resume(); |
| 316 | proc.Close(); |
| 317 | } |
| 318 | return error; |
| 319 | } |
| 320 | static int symbian_spawner(const char *command, TSpawnFlag aFlags) |
| 321 | { |
| 322 | TBuf<KMaxFileName> aFilename; |
| 323 | TBuf<KMaxFileName> aCommand; |
| 324 | TSpawnFlag aSpawnFlags = ESpawnWait; |
| 325 | CSpawnIoRedirect iord; |
| 326 | char *p = (char*)command; |
| 327 | |
| 328 | // The recognized syntax is: "cmd [args] [&]". Since one |
| 329 | // cannot pass more than (an argv[0] and) an argv[1] to a |
| 330 | // Symbian process anyway, not much is done to the cmd or |
| 331 | // the args, only backslash quoting. |
| 332 | |
| 333 | // Strip leading whitespace. |
| 334 | while (*p && isspace(*p)) p++; |
| 335 | if (*p) { |
| 336 | // Build argv[0]. |
| 337 | while (*p && !isspace(*p) && *p != '&') { |
| 338 | if (*p == '\\') { |
| 339 | if (p[1]) { |
| 340 | aFilename.Append(p[1]); |
| 341 | p++; |
| 342 | } |
| 343 | |
| 344 | } |
| 345 | else |
| 346 | aFilename.Append(*p); |
| 347 | p++; |
| 348 | } |
| 349 | |
| 350 | if (*p) { |
| 351 | // Skip whitespace between argv[0] and argv[1]. |
| 352 | while(*p && isspace(*p)) p++; |
| 353 | // Build argv[1]. |
| 354 | if (*p) { |
| 355 | char *a = p; |
| 356 | char *b = p + 1; |
| 357 | |
| 358 | while (*b) b++; |
| 359 | if (isspace(b[-1])) { |
| 360 | b--; |
| 361 | while (b > a && isspace(*b)) b--; |
| 362 | b++; |
| 363 | } |
| 364 | if (b > a && b[-1] == '&') { |
| 365 | // Parse backgrounding in any case, |
| 366 | // but turn it off only if wanted. |
| 367 | if ((aFlags & ESpawnWait)) |
| 368 | aSpawnFlags = |
| 369 | (TSpawnFlag) (aSpawnFlags & ~ESpawnWait); |
| 370 | b--; |
| 371 | if (isspace(b[-1])) { |
| 372 | b--; |
| 373 | while (b > a && isspace(*b)) b--; |
| 374 | b++; |
| 375 | } |
| 376 | } |
| 377 | for (p = a; p < b; p++) { |
| 378 | if (*p == '\\') { |
| 379 | if (p[1]) |
| 380 | aCommand.Append(p[1]); |
| 381 | p++; |
| 382 | } |
| 383 | else |
| 384 | aCommand.Append(*p); |
| 385 | } |
| 386 | } |
| 387 | // NOTE: I/O redirection is not yet done. |
| 388 | // Implementing that may require a separate server. |
| 389 | } |
| 390 | } |
| 391 | int spawned = symbian_spawn(aFilename, aCommand, aSpawnFlags, iord); |
| 392 | return spawned == KErrNone ? 0 : -1; |
| 393 | } |
| 394 | EXPORT_C int symbian_do_spawn(const char *command) |
| 395 | { |
| 396 | return symbian_spawner(command, ESpawnWait); |
| 397 | } |
| 398 | EXPORT_C int symbian_do_spawn_nowait(const char *command) |
| 399 | { |
| 400 | return symbian_spawner(command, ESpawnNone); |
| 401 | } |
| 402 | EXPORT_C int symbian_do_aspawn(void* vreally, void* vmark, void* sp) |
| 403 | { |
| 404 | return -1; |
| 405 | } |
| 406 | } |
| 407 | |