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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[] = ""; |
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45 | EXPORT_C char* symbian_get_error_string(TInt error) |
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46 | { |
0added8b |
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). |
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50 | dTHX; |
51 | if (error >= 0) |
52 | return strerror(error); |
0added8b |
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 | } |
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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()); |
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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 | |