| 1 |
#include "EXTERN.h" |
| 2 |
#include "perl.h" |
| 3 |
#include "XSUB.h" |
| 4 |
|
| 5 |
#include "librsync.h" |
| 6 |
|
| 7 |
/* try to be compatible with older perls */ |
| 8 |
/* SvPV_nolen() macro first defined in 5.005_55 */ |
| 9 |
/* this is slow, not threadsafe, but works */ |
| 10 |
#include "patchlevel.h" |
| 11 |
#if (PATCHLEVEL == 4) || ((PATCHLEVEL == 5) && (SUBVERSION < 55)) |
| 12 |
static STRLEN nolen_na; |
| 13 |
# define SvPV_nolen(sv) SvPV ((sv), nolen_na) |
| 14 |
#endif |
| 15 |
|
| 16 |
static SV *trace_cb_sv; |
| 17 |
|
| 18 |
typedef rs_stats_t * File__Rdiff__Stats; |
| 19 |
typedef rs_signature_t *File__Rdiff__Signature; |
| 20 |
|
| 21 |
typedef struct File__Rdiff__Buffers { |
| 22 |
rs_buffers_t rs; |
| 23 |
SV *in; |
| 24 |
STRLEN in_ofs; |
| 25 |
SV *out; |
| 26 |
STRLEN outsize; |
| 27 |
} *File__Rdiff__Buffers; |
| 28 |
|
| 29 |
typedef struct File__Rdiff__Job { |
| 30 |
rs_job_t *rs; |
| 31 |
SV *sig; |
| 32 |
} *File__Rdiff__Job; |
| 33 |
|
| 34 |
static SV *new_sig (File__Rdiff__Signature sig) |
| 35 |
{ |
| 36 |
SV *sv = NEWSV (0, 0); |
| 37 |
sv_setref_pv (sv, "File::Rdiff::Signature", (void *)sig); |
| 38 |
|
| 39 |
return sv; |
| 40 |
} |
| 41 |
|
| 42 |
static File__Rdiff__Signature |
| 43 |
old_sig (SV *sv) |
| 44 |
{ |
| 45 |
if (sv_derived_from(sv, "File::Rdiff::Signature")) |
| 46 |
{ |
| 47 |
IV tmp = SvIV((SV*)SvRV(sv)); |
| 48 |
return INT2PTR(rs_signature_t *,tmp); |
| 49 |
} |
| 50 |
else |
| 51 |
Perl_croak(aTHX_ "Object of type File::Rdiff::Signature expected"); |
| 52 |
} |
| 53 |
|
| 54 |
static void |
| 55 |
trace_cb (int level, char const *msg) |
| 56 |
{ |
| 57 |
if (SvOK (trace_cb_sv)) |
| 58 |
{ |
| 59 |
dSP; |
| 60 |
|
| 61 |
SAVETMPS; PUSHMARK(SP); EXTEND(SP,2); |
| 62 |
|
| 63 |
PUSHs(sv_2mortal(newSViv(level))); |
| 64 |
PUSHs(sv_2mortal(newSVpv(msg,0))); |
| 65 |
|
| 66 |
PUTBACK; perl_call_sv (trace_cb_sv, G_VOID|G_DISCARD); SPAGAIN; |
| 67 |
|
| 68 |
PUTBACK; FREETMPS; |
| 69 |
} |
| 70 |
else |
| 71 |
rs_trace_stderr (level, msg); |
| 72 |
} |
| 73 |
|
| 74 |
/** |
| 75 |
* \brief Callback used to retrieve parts of the basis file. |
| 76 |
* |
| 77 |
* \param pos Position where copying should begin. |
| 78 |
* |
| 79 |
* \param len On input, the amount of data that should be retrieved. |
| 80 |
* Updated to show how much is actually available. |
| 81 |
* |
| 82 |
* \param buf On input, a buffer of at least \p *len bytes. May be |
| 83 |
* updated to point to a buffer allocated by the callback if it |
| 84 |
* prefers. |
| 85 |
*/ |
| 86 |
static rs_result |
| 87 |
copy_cb (void *cb, rs_long_t pos, size_t *len, void **buf) |
| 88 |
{ |
| 89 |
dSP; |
| 90 |
SV *rbuf; |
| 91 |
|
| 92 |
PUSHMARK(SP); EXTEND(SP,2); |
| 93 |
|
| 94 |
PUSHs(sv_2mortal(newSViv(pos))); |
| 95 |
PUSHs(sv_2mortal(newSViv(*len))); |
| 96 |
|
| 97 |
PUTBACK; perl_call_sv ((SV *)cb, G_SCALAR); SPAGAIN; |
| 98 |
|
| 99 |
rbuf = POPs; |
| 100 |
|
| 101 |
PUTBACK; |
| 102 |
|
| 103 |
if (SvIOKp (rbuf) && !SvPOKp (rbuf)) |
| 104 |
{ |
| 105 |
/* assume error code */ |
| 106 |
return SvIVX (rbuf); |
| 107 |
} |
| 108 |
else |
| 109 |
{ |
| 110 |
/* assume data. we are not copying because we assume |
| 111 |
* that the data will be consumed before the next FREETMPS, |
| 112 |
* which should be just outside ther rs_job_iter call. |
| 113 |
*/ |
| 114 |
STRLEN slen; |
| 115 |
|
| 116 |
*buf = SvPV (rbuf, slen); |
| 117 |
*len = slen; |
| 118 |
|
| 119 |
return RS_DONE; |
| 120 |
} |
| 121 |
} |
| 122 |
|
| 123 |
MODULE = File::Rdiff PACKAGE = File::Rdiff |
| 124 |
|
| 125 |
PROTOTYPES: ENABLE |
| 126 |
|
| 127 |
BOOT: |
| 128 |
{ |
| 129 |
HV * stash = gv_stashpv ("File::Rdiff", 0); |
| 130 |
|
| 131 |
trace_cb_sv = newSVsv (&PL_sv_undef); |
| 132 |
|
| 133 |
rs_trace_to (trace_cb); |
| 134 |
rs_trace_set_level (RS_LOG_WARNING); |
| 135 |
|
| 136 |
newCONSTSUB (stash, "LIBRSYNC_VERSION", newSVpv (rs_librsync_version, 0)); |
| 137 |
|
| 138 |
newCONSTSUB (stash, "LOG_EMERG", newSViv (RS_LOG_EMERG)); |
| 139 |
newCONSTSUB (stash, "LOG_ALERT", newSViv (RS_LOG_ALERT)); |
| 140 |
newCONSTSUB (stash, "LOG_CRIT", newSViv (RS_LOG_CRIT)); |
| 141 |
newCONSTSUB (stash, "LOG_ERR", newSViv (RS_LOG_ERR)); |
| 142 |
newCONSTSUB (stash, "LOG_WARNING", newSViv (RS_LOG_WARNING)); |
| 143 |
newCONSTSUB (stash, "LOG_NOTICE", newSViv (RS_LOG_NOTICE)); |
| 144 |
newCONSTSUB (stash, "LOG_INFO", newSViv (RS_LOG_INFO)); |
| 145 |
newCONSTSUB (stash, "LOG_DEBUG", newSViv (RS_LOG_DEBUG)); |
| 146 |
newCONSTSUB (stash, "DONE", newSViv (RS_DONE)); |
| 147 |
newCONSTSUB (stash, "BLOCKED", newSViv (RS_BLOCKED)); |
| 148 |
newCONSTSUB (stash, "RUNNING", newSViv (RS_RUNNING)); |
| 149 |
newCONSTSUB (stash, "TEST_SKIPPED", newSViv (RS_TEST_SKIPPED)); |
| 150 |
newCONSTSUB (stash, "IO_ERROR", newSViv (RS_IO_ERROR)); |
| 151 |
newCONSTSUB (stash, "SYNTAX_ERROR", newSViv (RS_SYNTAX_ERROR)); |
| 152 |
newCONSTSUB (stash, "MEM_ERROR", newSViv (RS_MEM_ERROR)); |
| 153 |
newCONSTSUB (stash, "INPUT_ENDED", newSViv (RS_INPUT_ENDED)); |
| 154 |
newCONSTSUB (stash, "BAD_MAGIC", newSViv (RS_BAD_MAGIC)); |
| 155 |
newCONSTSUB (stash, "UNIMPLEMENTED", newSViv (RS_UNIMPLEMENTED)); |
| 156 |
newCONSTSUB (stash, "CORRUPT", newSViv (RS_CORRUPT)); |
| 157 |
newCONSTSUB (stash, "INTERNAL_ERROR", newSViv (RS_INTERNAL_ERROR)); |
| 158 |
newCONSTSUB (stash, "PARAM_ERROR", newSViv (RS_PARAM_ERROR)); |
| 159 |
} |
| 160 |
|
| 161 |
int |
| 162 |
trace_level(level) |
| 163 |
int level |
| 164 |
PROTOTYPE: ;$ |
| 165 |
CODE: |
| 166 |
static int oldlevel = RS_LOG_WARNING; /* see BOOT: */ |
| 167 |
|
| 168 |
RETVAL = oldlevel; |
| 169 |
if (items) |
| 170 |
{ |
| 171 |
oldlevel = level; |
| 172 |
rs_trace_set_level (level); |
| 173 |
} |
| 174 |
OUTPUT: |
| 175 |
RETVAL |
| 176 |
|
| 177 |
SV * |
| 178 |
trace_to(cb) |
| 179 |
SV * cb |
| 180 |
PROTOTYPE: ;& |
| 181 |
CODE: |
| 182 |
RETVAL = sv_2mortal (newSVsv (trace_cb_sv)); |
| 183 |
if (items) |
| 184 |
sv_setsv (trace_cb_sv, cb); |
| 185 |
OUTPUT: |
| 186 |
RETVAL |
| 187 |
|
| 188 |
void |
| 189 |
supports_trace() |
| 190 |
PROTOTYPE: |
| 191 |
CODE: |
| 192 |
if (rs_supports_trace()) |
| 193 |
XSRETURN_YES; |
| 194 |
else |
| 195 |
XSRETURN_NO; |
| 196 |
|
| 197 |
SV * |
| 198 |
strerror (resultcode) |
| 199 |
int resultcode |
| 200 |
CODE: |
| 201 |
RETVAL = newSVpv (rs_strerror (resultcode), 0); |
| 202 |
OUTPUT: |
| 203 |
RETVAL |
| 204 |
|
| 205 |
MODULE = File::Rdiff PACKAGE = File::Rdiff::Signature |
| 206 |
|
| 207 |
int |
| 208 |
build_hash_table(self) |
| 209 |
File::Rdiff::Signature self |
| 210 |
CODE: |
| 211 |
RETVAL = rs_build_hash_table (self); |
| 212 |
OUTPUT: |
| 213 |
RETVAL |
| 214 |
|
| 215 |
void |
| 216 |
DESTROY(self) |
| 217 |
File::Rdiff::Signature self |
| 218 |
CODE: |
| 219 |
rs_free_sumset (self); |
| 220 |
|
| 221 |
void |
| 222 |
dump(self) |
| 223 |
File::Rdiff::Signature self |
| 224 |
CODE: |
| 225 |
rs_sumset_dump (self); |
| 226 |
|
| 227 |
MODULE = File::Rdiff PACKAGE = File::Rdiff::Buffers |
| 228 |
|
| 229 |
File::Rdiff::Buffers |
| 230 |
new(class, outsize = 65536) |
| 231 |
SV * class |
| 232 |
STRLEN outsize |
| 233 |
PROTOTYPE: $;$$ |
| 234 |
CODE: |
| 235 |
Newz (0, RETVAL, 1, struct File__Rdiff__Buffers); |
| 236 |
RETVAL->outsize = outsize; |
| 237 |
OUTPUT: |
| 238 |
RETVAL |
| 239 |
|
| 240 |
void |
| 241 |
DESTROY(self) |
| 242 |
File::Rdiff::Buffers self |
| 243 |
CODE: |
| 244 |
if (self->in ) SvREFCNT_dec (self->in ); |
| 245 |
if (self->out) SvREFCNT_dec (self->out); |
| 246 |
Safefree (self); |
| 247 |
|
| 248 |
void |
| 249 |
in(self,in) |
| 250 |
File::Rdiff::Buffers self |
| 251 |
SV * in |
| 252 |
CODE: |
| 253 |
if (self->in) |
| 254 |
SvREFCNT_dec (self->in); |
| 255 |
self->in = SvREFCNT_inc (in); |
| 256 |
self->in_ofs = 0; |
| 257 |
|
| 258 |
void |
| 259 |
eof(self) |
| 260 |
File::Rdiff::Buffers self |
| 261 |
CODE: |
| 262 |
self->rs.eof_in = 1; |
| 263 |
|
| 264 |
SV * |
| 265 |
out(self) |
| 266 |
File::Rdiff::Buffers self |
| 267 |
CODE: |
| 268 |
RETVAL = self->out; |
| 269 |
self->out = 0; |
| 270 |
OUTPUT: |
| 271 |
RETVAL |
| 272 |
|
| 273 |
int |
| 274 |
avail_in(self) |
| 275 |
File::Rdiff::Buffers self |
| 276 |
CODE: |
| 277 |
RETVAL = self->in ? SvCUR (self->in) - self->in_ofs |
| 278 |
: self->rs.eof_in ? -1 |
| 279 |
: 0; |
| 280 |
OUTPUT: |
| 281 |
RETVAL |
| 282 |
|
| 283 |
int |
| 284 |
avail_out(self) |
| 285 |
File::Rdiff::Buffers self |
| 286 |
CODE: |
| 287 |
RETVAL = self->outsize - (self->out ? SvCUR (self->out) : 0); |
| 288 |
OUTPUT: |
| 289 |
RETVAL |
| 290 |
|
| 291 |
int |
| 292 |
size(self) |
| 293 |
File::Rdiff::Buffers self |
| 294 |
CODE: |
| 295 |
RETVAL = self->out ? SvCUR (self->out) : 0; |
| 296 |
OUTPUT: |
| 297 |
RETVAL |
| 298 |
|
| 299 |
MODULE = File::Rdiff PACKAGE = File::Rdiff::Job |
| 300 |
|
| 301 |
File::Rdiff::Job |
| 302 |
new_sig(class, new_block_len = RS_DEFAULT_BLOCK_LEN, strong_sum_len = RS_DEFAULT_STRONG_LEN) |
| 303 |
SV * class |
| 304 |
size_t new_block_len |
| 305 |
size_t strong_sum_len |
| 306 |
PROTOTYPE: $;$$ |
| 307 |
CODE: |
| 308 |
Newz (0, RETVAL, 1, struct File__Rdiff__Job); |
| 309 |
RETVAL->rs = rs_sig_begin (new_block_len, strong_sum_len); |
| 310 |
OUTPUT: |
| 311 |
RETVAL |
| 312 |
|
| 313 |
File::Rdiff::Job |
| 314 |
new_loadsig(class) |
| 315 |
SV * class |
| 316 |
CODE: |
| 317 |
rs_signature_t *sig; |
| 318 |
Newz (0, RETVAL, 1, struct File__Rdiff__Job); |
| 319 |
RETVAL->rs = rs_loadsig_begin (&sig); |
| 320 |
RETVAL->sig = new_sig (sig); |
| 321 |
OUTPUT: |
| 322 |
RETVAL |
| 323 |
|
| 324 |
File::Rdiff::Job |
| 325 |
new_delta(class, signature) |
| 326 |
SV * class |
| 327 |
SV * signature |
| 328 |
CODE: |
| 329 |
Newz (0, RETVAL, 1, struct File__Rdiff__Job); |
| 330 |
RETVAL->rs = rs_delta_begin (old_sig (signature)); |
| 331 |
RETVAL->sig = newSVsv (signature); |
| 332 |
OUTPUT: |
| 333 |
RETVAL |
| 334 |
|
| 335 |
File::Rdiff::Job |
| 336 |
new_patch(class, cb_or_fh) |
| 337 |
SV * class |
| 338 |
SV * cb_or_fh |
| 339 |
CODE: |
| 340 |
rs_copy_cb *cb; |
| 341 |
void *cb_arg; |
| 342 |
|
| 343 |
if (SvROK (cb_or_fh) && SvTYPE (SvRV (cb_or_fh)) == SVt_PVCV) |
| 344 |
{ |
| 345 |
cb = copy_cb; |
| 346 |
cb_arg = (void *)cb_or_fh; |
| 347 |
} |
| 348 |
else |
| 349 |
{ |
| 350 |
cb = rs_file_copy_cb; |
| 351 |
cb_arg = (void *)IoIFP (sv_2io (cb_or_fh)); |
| 352 |
} |
| 353 |
|
| 354 |
Newz (0, RETVAL, 1, struct File__Rdiff__Job); |
| 355 |
RETVAL->rs = rs_patch_begin (cb, cb_arg); |
| 356 |
OUTPUT: |
| 357 |
RETVAL |
| 358 |
|
| 359 |
void |
| 360 |
DESTROY(self) |
| 361 |
File::Rdiff::Job self |
| 362 |
CODE: |
| 363 |
if (self->sig) |
| 364 |
SvREFCNT_dec (self->sig); |
| 365 |
rs_job_free (self->rs); |
| 366 |
Safefree (self); |
| 367 |
|
| 368 |
SV * |
| 369 |
signature(self) |
| 370 |
File::Rdiff::Job self |
| 371 |
CODE: |
| 372 |
RETVAL = SvREFCNT_inc (self->sig); |
| 373 |
OUTPUT: |
| 374 |
RETVAL |
| 375 |
|
| 376 |
int |
| 377 |
iter(self,buffers) |
| 378 |
File::Rdiff::Job self |
| 379 |
File::Rdiff::Buffers buffers |
| 380 |
CODE: |
| 381 |
{ |
| 382 |
STRLEN in_len; |
| 383 |
|
| 384 |
if (buffers->in) |
| 385 |
{ |
| 386 |
buffers->rs.next_in = SvPV (buffers->in, in_len) + buffers->in_ofs; |
| 387 |
buffers->rs.avail_in = in_len - buffers->in_ofs; |
| 388 |
} |
| 389 |
else |
| 390 |
{ |
| 391 |
buffers->rs.next_in = 0; |
| 392 |
buffers->rs.avail_in = 0; |
| 393 |
} |
| 394 |
|
| 395 |
if (buffers->outsize) |
| 396 |
{ |
| 397 |
if (!buffers->out) |
| 398 |
{ |
| 399 |
buffers->out = NEWSV (0, buffers->outsize); |
| 400 |
SvPOK_on (buffers->out); |
| 401 |
} |
| 402 |
|
| 403 |
buffers->rs.next_out = SvEND (buffers->out); |
| 404 |
buffers->rs.avail_out = buffers->outsize - SvCUR (buffers->out); |
| 405 |
} |
| 406 |
else |
| 407 |
{ |
| 408 |
buffers->rs.next_out = 0; |
| 409 |
buffers->rs.avail_out = 0; |
| 410 |
} |
| 411 |
|
| 412 |
RETVAL = rs_job_iter (self->rs, &buffers->rs); |
| 413 |
|
| 414 |
buffers->in_ofs = in_len - buffers->rs.avail_in; |
| 415 |
|
| 416 |
if (buffers->out) |
| 417 |
SvCUR_set (buffers->out, buffers->outsize - buffers->rs.avail_out); |
| 418 |
} |
| 419 |
OUTPUT: |
| 420 |
RETVAL |
| 421 |
|
| 422 |
# void rs_hexify(char *to_buf, void const *from_buf, int from_len); |
| 423 |
# size_t rs_unbase64(char *s); |
| 424 |
# void rs_base64(unsigned char const *buf, int n, char *out); |
| 425 |
# * \sa rs_format_stats(), rs_log_stats() |
| 426 |
# */ |
| 427 |
# typedef struct rs_stats { |
| 428 |
# char const *op; /**< Human-readable name of current |
| 429 |
# * operation. For example, "delta". */ |
| 430 |
# int lit_cmds; /**< Number of literal commands. */ |
| 431 |
# rs_long_t lit_bytes; /**< Number of literal bytes. */ |
| 432 |
# rs_long_t lit_cmdbytes; /**< Number of bytes used in literal |
| 433 |
# * command headers. */ |
| 434 |
# |
| 435 |
# rs_long_t copy_cmds, copy_bytes, copy_cmdbytes; |
| 436 |
# rs_long_t sig_cmds, sig_bytes; |
| 437 |
# int false_matches; |
| 438 |
# |
| 439 |
# rs_long_t sig_blocks; /**< Number of blocks described by the |
| 440 |
# signature. */ |
| 441 |
# |
| 442 |
# size_t block_len; |
| 443 |
# |
| 444 |
# rs_long_t in_bytes; /**< Total bytes read from input. */ |
| 445 |
# rs_long_t out_bytes; /**< Total bytes written to output. */ |
| 446 |
# } rs_stats_t; |
| 447 |
# |
| 448 |
# char *rs_format_stats(rs_stats_t const *, char *, size_t); |
| 449 |
# |
| 450 |
# int rs_log_stats(rs_stats_t const *stats); |
| 451 |
# |
| 452 |
# const rs_stats_t * rs_job_statistics(rs_job_t *job); |
| 453 |
# |
| 454 |
# int rs_accum_value(rs_job_t *, char *sum, size_t sum_len); |
| 455 |
# |
| 456 |
|
| 457 |
MODULE = File::Rdiff PACKAGE = File::Rdiff |
| 458 |
|
| 459 |
#ifndef RSYNC_NO_STDIO_INTERFACE |
| 460 |
|
| 461 |
int |
| 462 |
sig_file(old_file, sig_file, block_len = RS_DEFAULT_BLOCK_LEN, strong_len = RS_DEFAULT_STRONG_LEN) |
| 463 |
FILE * old_file |
| 464 |
FILE * sig_file |
| 465 |
size_t block_len |
| 466 |
size_t strong_len |
| 467 |
PROTOTYPE: $$;$$ |
| 468 |
CODE: |
| 469 |
RETVAL = rs_sig_file(old_file, sig_file, block_len, strong_len, 0); |
| 470 |
OUTPUT: |
| 471 |
RETVAL |
| 472 |
|
| 473 |
File::Rdiff::Signature |
| 474 |
loadsig_file(file) |
| 475 |
FILE * file |
| 476 |
CODE: |
| 477 |
rs_result r = rs_loadsig_file(file, &RETVAL, 0); |
| 478 |
if (r != RS_DONE) |
| 479 |
XSRETURN_IV (r); |
| 480 |
OUTPUT: |
| 481 |
RETVAL |
| 482 |
|
| 483 |
int |
| 484 |
delta_file(signature, new_file, delta_file) |
| 485 |
File::Rdiff::Signature signature |
| 486 |
FILE * new_file |
| 487 |
FILE * delta_file |
| 488 |
CODE: |
| 489 |
RETVAL = rs_delta_file (signature, new_file, delta_file, 0); |
| 490 |
OUTPUT: |
| 491 |
RETVAL |
| 492 |
|
| 493 |
int |
| 494 |
patch_file(basis_file, delta_file, new_file) |
| 495 |
FILE * basis_file |
| 496 |
FILE * delta_file |
| 497 |
FILE * new_file |
| 498 |
CODE: |
| 499 |
RETVAL = rs_patch_file (basis_file, delta_file, new_file, 0); |
| 500 |
OUTPUT: |
| 501 |
RETVAL |
| 502 |
|
| 503 |
#endif |
| 504 |
|
| 505 |
|
| 506 |
|
| 507 |
|
| 508 |
|
| 509 |
|
