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27da23d5 JH |
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 <textresolver.h> | |
13 | #include <utf.h> | |
14 | #include <hal.h> | |
15 | ||
16 | #include <string.h> | |
17 | #include <ctype.h> | |
18 | ||
19 | #include "PerlBase.h" | |
20 | ||
21 | extern "C" { | |
22 | EXPORT_C int symbian_sys_init(int *argcp, char ***argvp) | |
23 | { | |
24 | #ifdef PERL_GLOBAL_STRUCT /* Avoid unused variable warning. */ | |
25 | dVAR; | |
26 | #endif | |
27 | (void)times(&PL_timesbase); | |
28 | return 0; | |
29 | } | |
30 | EXPORT_C SSize_t symbian_read_stdin(const int fd, char *b, int n) | |
31 | { | |
32 | #ifdef PERL_GLOBAL_STRUCT /* Avoid unused variable warning. */ | |
33 | dVAR; | |
34 | #endif | |
35 | return ((CPerlBase*)PL_appctx)->ConsoleRead(fd, b, n); | |
36 | } | |
37 | EXPORT_C SSize_t symbian_write_stdout(const int fd, const char *b, int n) | |
38 | { | |
39 | #ifdef PERL_GLOBAL_STRUCT /* Avoid unused variable warning. */ | |
40 | dVAR; | |
41 | #endif | |
42 | return ((CPerlBase*)PL_appctx)->ConsoleWrite(fd, b, n); | |
43 | } | |
44 | static const char NullErr[] = ""; | |
0added8b | 45 | EXPORT_C char* symbian_get_error_string(TInt error) |
27da23d5 | 46 | { |
0added8b JH |
47 | // CTextResolver seems to be unreliable, so we roll our own |
48 | // at least for the basic Symbian errors (but does not work | |
49 | // for the various subsystems). | |
27da23d5 JH |
50 | dTHX; |
51 | if (error >= 0) | |
52 | return strerror(error); | |
0added8b JH |
53 | error = -error; // flip |
54 | const TInt KErrStringMax = 256; | |
55 | typedef struct { | |
56 | const char* kerr; | |
57 | const char* desc; | |
58 | } kerritem; | |
59 | static const kerritem kerrtable[] = { | |
60 | { "None", /* 0 */ "No error"}, | |
61 | { "NotFound", /* -1 */ "Unable to find the specified object"}, | |
62 | { "General", /* -2 */ "General (unspecified) error"}, | |
63 | { "Cancel", /* -3 */ "The operation was cancelled"}, | |
64 | { "NoMemory", /* -4 */ "Not enough memory"}, | |
65 | { "NotSupported", /* -5 */ "The operation requested is not supported"}, | |
66 | { "Argument", /* -6 */ "Bad request"}, | |
67 | { "TotalLossOfPrecision", | |
68 | /* -7 */ "Total loss of precision"}, | |
69 | { "BadHandle", /* -8 */ "Bad object"}, | |
70 | { "Overflow", /* -9 */ "Overflow"}, | |
71 | { "Underflow", /* -10 */ "Underflow"}, | |
72 | { "AlreadyExists", /* -11 */ "Already exists"}, | |
73 | { "PathNotFound", /* -12 */ "Unable to find the specified folder"}, | |
74 | { "Died", /* -13 */ "Closed"}, | |
75 | { "InUse", /* -14 */ | |
76 | "The specified object is currently in use by another program"}, | |
77 | { "ServerTerminated", /* -15 */ "Server has closed"}, | |
78 | { "ServerBusy", /* -16 */ "Server busy"}, | |
79 | { "Completion", /* -17 */ "Completion error"}, | |
80 | { "NotReady", /* -18 */ "Not ready"}, | |
81 | { "Unknown", /* -19 */ "Unknown error"}, | |
82 | { "Corrupt", /* -20 */ "Corrupt"}, | |
83 | { "AccessDenied", /* -21 */ "Access denied"}, | |
84 | { "Locked", /* -22 */ "Locked"}, | |
85 | { "Write", /* -23 */ "Failed to write"}, | |
86 | { "DisMounted", /* -24 */ "Wrong disk present"}, | |
87 | { "Eof", /* -25 */ "Unexpected end of file"}, | |
88 | { "DiskFull", /* -26 */ "Disk full"}, | |
89 | { "BadDriver", /* -27 */ "Bad device driver"}, | |
90 | { "BadName", /* -28 */ "Bad name"}, | |
91 | { "CommsLineFail", /* -29 */ "Comms line failed"}, | |
92 | { "CommsFrame", /* -30 */ "Comms frame error"}, | |
93 | { "CommsOverrun", /* -31 */ "Comms overrun error"}, | |
94 | { "CommsParity", /* -32 */ "Comms parity error"}, | |
95 | { "TimedOut", /* -33 */ "Timed out"}, | |
96 | { "CouldNotConnect",/* -34 */ "Failed to connect"}, | |
97 | { "CouldNotDisconnect", | |
98 | /* -35 */ "Failed to disconnect"}, | |
99 | { "Disconnected", /* -36 */ "Disconnected"}, | |
100 | { "BadLibraryEntryPoint", | |
101 | /* -37 */ "Bad library entry point"}, | |
102 | { "BadDescriptor", /* -38 */ "Bad descriptor"}, | |
103 | { "Abort", /* -39 */ "Interrupted"}, | |
104 | { "TooBig", /* -40 */ "Too big"}, | |
105 | { "DivideByZero", /* -41 */ "Divide by zero"}, | |
106 | { "BadPower", /* -42 */ "Batteries too low"}, | |
107 | { "DirFull", /* -43 */ "Folder full"}, | |
108 | { "KErrHardwareNotAvailable", | |
109 | /* -44 */ "Hardware is not available"}, | |
110 | { "SessionClosed", /* -45 */ "Session was closed"}, | |
111 | { "PermissionDenied", | |
112 | /* -46 */ "Permission denied"} | |
113 | }; | |
114 | const TInt n = sizeof(kerrtable) / sizeof(kerritem *); | |
115 | TBuf8<KErrStringMax> buf8; | |
116 | if (error >= 0 && error < n) { | |
117 | const char *kerr = kerrtable[error].kerr; | |
118 | const char *desc = kerrtable[error].desc; | |
119 | const TPtrC8 kerrp((const unsigned char *)kerr, strlen(kerr)); | |
120 | const TPtrC8 descp((const unsigned char *)desc, strlen(desc)); | |
121 | TBuf8<KErrStringMax> ckerr; | |
122 | TBuf8<KErrStringMax> cdesc; | |
123 | ckerr.Copy(kerrp); | |
124 | cdesc.Copy(descp); | |
125 | buf8.Format(_L8("K%S (%d) %S"), &ckerr, error, &cdesc); | |
126 | ||
127 | } else { | |
128 | buf8.Format(_L8("Symbian error %d"), error); | |
129 | } | |
27da23d5 JH |
130 | SV* sv = Perl_get_sv(aTHX_ "\005", TRUE); /* $^E or ${^OS_ERROR} */ |
131 | if (!sv) | |
132 | return (char*)NullErr; | |
133 | sv_setpv(sv, (const char *)buf8.PtrZ()); | |
27da23d5 JH |
134 | return SvPV_nolen(sv); |
135 | } | |
136 | EXPORT_C void symbian_sleep_usec(const long usec) | |
137 | { | |
138 | User::After((TTimeIntervalMicroSeconds32) usec); | |
139 | } | |
140 | #define PERL_SYMBIAN_CLK_TCK 100 | |
141 | EXPORT_C int symbian_get_cpu_time(long* sec, long* usec) | |
142 | { | |
143 | // The RThread().GetCpuTime() does not seem to work? | |
144 | // (it always returns KErrNotSupported) | |
145 | // TTimeIntervalMicroSeconds ti; | |
146 | // TInt err = me.GetCpuTime(ti); | |
147 | dTHX; | |
148 | TInt periodus; /* tick period in microseconds */ | |
149 | if (HAL::Get(HALData::ESystemTickPeriod, periodus) != KErrNone) | |
150 | return -1; | |
151 | TUint tick = User::TickCount(); | |
152 | if (PL_timesbase.tms_utime == 0) { | |
153 | PL_timesbase.tms_utime = tick; | |
154 | PL_clocktick = PERL_SYMBIAN_CLK_TCK; | |
155 | } | |
156 | tick -= PL_timesbase.tms_utime; | |
157 | TInt64 tickus = TInt64(tick) * TInt64(periodus); | |
158 | TInt64 tmps = tickus / 1000000; | |
159 | if (sec) *sec = tmps.Low(); | |
160 | if (usec) *usec = tickus.Low() - tmps.Low() * 1000000; | |
161 | return 0; | |
162 | } | |
163 | EXPORT_C int symbian_usleep(unsigned int usec) | |
164 | { | |
165 | if (usec >= 1000000) { | |
166 | errno = EINVAL; | |
167 | return -1; | |
168 | } | |
169 | symbian_sleep_usec((const long) usec); | |
170 | return 0; | |
171 | } | |
172 | #define SEC_USEC_TO_CLK_TCK(s, u) \ | |
173 | (((s) * PERL_SYMBIAN_CLK_TCK) + (u / (1000000 / PERL_SYMBIAN_CLK_TCK))) | |
174 | EXPORT_C clock_t symbian_times(struct tms *tmsbuf) | |
175 | { | |
176 | long s, u; | |
177 | if (symbian_get_cpu_time(&s, &u) == -1) { | |
178 | errno = EINVAL; | |
179 | return -1; | |
180 | } else { | |
181 | tmsbuf->tms_utime = SEC_USEC_TO_CLK_TCK(s, u); | |
182 | tmsbuf->tms_stime = 0; | |
183 | tmsbuf->tms_cutime = 0; | |
184 | tmsbuf->tms_cstime = 0; | |
185 | return tmsbuf->tms_utime; | |
186 | } | |
187 | } | |
188 | class CE32ProcessWait : public CActive | |
189 | { | |
190 | public: | |
191 | CE32ProcessWait() : CActive(EPriorityStandard) { | |
192 | CActiveScheduler::Add(this); | |
193 | } | |
194 | #ifdef __WINS__ | |
195 | TInt Wait(RThread& aProcess) | |
196 | #else | |
197 | TInt Wait(RProcess& aProcess) | |
198 | #endif | |
199 | { | |
200 | aProcess.Logon(iStatus); | |
201 | aProcess.Resume(); | |
202 | SetActive(); | |
203 | CActiveScheduler::Start(); | |
204 | return iStatus.Int(); | |
205 | } | |
206 | private: | |
207 | void DoCancel() {;} | |
208 | void RunL() { | |
209 | CActiveScheduler::Stop(); | |
210 | } | |
211 | CActiveSchedulerWait iWait; | |
212 | }; | |
213 | class CSpawnIoRedirect : public CBase | |
214 | { | |
215 | public: | |
216 | CSpawnIoRedirect(); | |
217 | // NOTE: there is no real implementation of I/O redirection yet. | |
218 | protected: | |
219 | private: | |
220 | }; | |
221 | CSpawnIoRedirect::CSpawnIoRedirect() | |
222 | { | |
223 | } | |
224 | typedef enum { | |
225 | ESpawnNone = 0x00000000, | |
226 | ESpawnWait = 0x00000001 | |
227 | } TSpawnFlag; | |
228 | static int symbian_spawn(const TDesC& aFilename, | |
229 | const TDesC& aCommand, | |
230 | const TSpawnFlag aFlag, | |
231 | const CSpawnIoRedirect& aIoRedirect) { | |
232 | TInt error = KErrNone; | |
233 | #ifdef __WINS__ | |
234 | const TInt KStackSize = 0x1000; | |
235 | const TInt KHeapMin = 0x1000; | |
236 | const TInt KHeapMax = 0x100000; | |
237 | RThread proc; | |
238 | RLibrary lib; | |
239 | HBufC* command = aCommand.Alloc(); | |
240 | error = lib.Load(aFilename); | |
241 | if (error == KErrNone) { | |
242 | TThreadFunction func = (TThreadFunction)(lib.Lookup(1)); | |
243 | if (func) | |
244 | error = proc.Create(aFilename, | |
245 | func, | |
246 | KStackSize, | |
247 | (TAny*)command, | |
248 | &lib, | |
249 | RThread().Heap(), | |
250 | KHeapMin, | |
251 | KHeapMax, | |
252 | EOwnerProcess); | |
253 | else | |
254 | error = KErrNotFound; | |
255 | lib.Close(); | |
256 | } | |
257 | else | |
258 | delete command; | |
259 | #else | |
260 | RProcess proc; | |
261 | error = proc.Create(aFilename, aCommand); | |
262 | #endif | |
263 | if (error == KErrNone) { | |
264 | if ((TInt)aFlag & (TInt)ESpawnWait) { | |
265 | CE32ProcessWait* w = new CE32ProcessWait(); | |
266 | if (w) { | |
267 | error = w->Wait(proc); | |
268 | delete w; | |
269 | } else | |
270 | error = KErrNoMemory; | |
271 | } else | |
272 | proc.Resume(); | |
273 | proc.Close(); | |
274 | } | |
275 | return error; | |
276 | } | |
277 | static int symbian_spawner(const char *command, TSpawnFlag aFlags) | |
278 | { | |
279 | TBuf<KMaxFileName> aFilename; | |
280 | TBuf<KMaxFileName> aCommand; | |
281 | TSpawnFlag aSpawnFlags = ESpawnWait; | |
282 | CSpawnIoRedirect iord; | |
283 | char *p = (char*)command; | |
284 | ||
285 | // The recognized syntax is: "cmd [args] [&]". Since one | |
286 | // cannot pass more than (an argv[0] and) an argv[1] to a | |
287 | // Symbian process anyway, not much is done to the cmd or | |
288 | // the args, only backslash quoting. | |
289 | ||
290 | // Strip leading whitespace. | |
291 | while (*p && isspace(*p)) p++; | |
292 | if (*p) { | |
293 | // Build argv[0]. | |
294 | while (*p && !isspace(*p) && *p != '&') { | |
295 | if (*p == '\\') { | |
296 | if (p[1]) { | |
297 | aFilename.Append(p[1]); | |
298 | p++; | |
299 | } | |
300 | ||
301 | } | |
302 | else | |
303 | aFilename.Append(*p); | |
304 | p++; | |
305 | } | |
306 | ||
307 | if (*p) { | |
308 | // Skip whitespace between argv[0] and argv[1]. | |
309 | while(*p && isspace(*p)) p++; | |
310 | // Build argv[1]. | |
311 | if (*p) { | |
312 | char *a = p; | |
313 | char *b = p + 1; | |
314 | ||
315 | while (*b) b++; | |
316 | if (isspace(b[-1])) { | |
317 | b--; | |
318 | while (b > a && isspace(*b)) b--; | |
319 | b++; | |
320 | } | |
321 | if (b > a && b[-1] == '&') { | |
322 | // Parse backgrounding in any case, | |
323 | // but turn it off only if wanted. | |
324 | if ((aFlags & ESpawnWait)) | |
325 | aSpawnFlags = | |
326 | (TSpawnFlag) (aSpawnFlags & ~ESpawnWait); | |
327 | b--; | |
328 | if (isspace(b[-1])) { | |
329 | b--; | |
330 | while (b > a && isspace(*b)) b--; | |
331 | b++; | |
332 | } | |
333 | } | |
334 | for (p = a; p < b; p++) { | |
335 | if (*p == '\\') { | |
336 | if (p[1]) | |
337 | aCommand.Append(p[1]); | |
338 | p++; | |
339 | } | |
340 | else | |
341 | aCommand.Append(*p); | |
342 | } | |
343 | } | |
344 | // NOTE: I/O redirection is not yet done. | |
345 | // Implementing that may require a separate server. | |
346 | } | |
347 | } | |
348 | int spawned = symbian_spawn(aFilename, aCommand, aSpawnFlags, iord); | |
349 | return spawned == KErrNone ? 0 : -1; | |
350 | } | |
351 | EXPORT_C int symbian_do_spawn(const char *command) | |
352 | { | |
353 | return symbian_spawner(command, ESpawnWait); | |
354 | } | |
355 | EXPORT_C int symbian_do_spawn_nowait(const char *command) | |
356 | { | |
357 | return symbian_spawner(command, ESpawnNone); | |
358 | } | |
359 | EXPORT_C int symbian_do_aspawn(void* vreally, void* vmark, void* sp) | |
360 | { | |
361 | return -1; | |
362 | } | |
363 | } | |
364 |