mdw@git.distorted.org.uk Git - mLib-python/blob - defs.pxi

   1 ### -*-pyrex-*-
   2 ###
   3 ### Basic definitions, used all over
   4 ###
   5 ### (c) 2005 Straylight/Edgeware
   6 ###
   7
   8 ###----- Licensing notice ---------------------------------------------------
   9 ###
  10 ### This file is part of the Python interface to mLib.
  11 ###
  12 ### mLib/Python is free software; you can redistribute it and/or modify
  13 ### it under the terms of the GNU General Public License as published by
  14 ### the Free Software Foundation; either version 2 of the License, or
  15 ### (at your option) any later version.
  16 ###
  17 ### mLib/Python is distributed in the hope that it will be useful,
  18 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ### GNU General Public License for more details.
  21 ###
  22 ### You should have received a copy of the GNU General Public License
  23 ### along with mLib/Python; if not, write to the Free Software Foundation,
  24 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 ###--------------------------------------------------------------------------
  27 ### C library.
  28
  29 cdef extern from 'errno.h':
  30   int errno
  31   enum:
  32     EINTR
  33     EAGAIN
  34 cdef extern from 'limits.h':
  35   enum:
  36     LONG_MAX
  37 cdef extern from 'math.h':
  38   double modf(double x, double *i)
  39 cdef extern from 'stddef.h':
  40   ctypedef int size_t
  41 cdef extern from 'string.h':
  42   void memcpy(void *p, void *q, size_t n)
  43   char *strerror(int err)
  44   size_t strlen(char *p)
  45
  46 ###--------------------------------------------------------------------------
  47 ### Unix interface.
  48
  49 cdef extern from 'sys/types.h':
  50   pass
  51 cdef extern from 'sys/time.h':
  52   struct timeval:
  53     int tv_sec
  54     int tv_usec
  55
  56 cdef extern from 'sys/socket.h':
  57   ctypedef int socklen_t
  58   struct sockaddr:
  59     int sa_family
  60   enum:
  61     AF_INET
  62   int getsockname(int fd, sockaddr *pa, size_t *psz)
  63   int getpeername(int fd, sockaddr *pa, size_t *psz)
  64 cdef extern from 'arpa/inet.h':
  65   struct in_addr:
  66     int s_addr
  67   int inet_aton(char *rp, in_addr *ia)
  68   char *inet_ntoa(in_addr ia)
  69 cdef extern from 'netinet/in.h':
  70   struct sockaddr_in:
  71     int sin_family
  72     in_addr sin_addr
  73     int sin_port
  74   int htons(int x)
  75   int htonl(int x)
  76   int ntohs(int x)
  77   int ntohl(int x)
  78 cdef extern from 'netdb.h':
  79   struct hostent:
  80     char *h_name
  81     char **h_aliases
  82     int h_addrtype
  83     int h_length
  84     char **h_addr_list
  85     char *h_addr
  86   int h_errno
  87
  88 ###--------------------------------------------------------------------------
  89 ### Python.
  90
  91 cdef extern from 'Python.h':
  92
  93   ctypedef struct PyObject:
  94     pass
  95   ctypedef struct PyTypeObject:
  96     pass
  97
  98   int PyObject_AsReadBuffer(obj, void **buf, Py_ssize_t *len) except -1
  99   object PyInt_FromLong(long i)
 100   object PyLong_FromUnsignedLong(unsigned long i)
 101   void PyErr_Clear()
 102
 103   void Py_INCREF(PyObject *obj)
 104   void Py_DECREF(PyObject *obj)
 105
 106   PyTypeObject *Py_TYPE(PyObject *obj)
 107   Py_ssize_t Py_SIZE(PyObject *obj)
 108   Py_ssize_t Py_REFCNT(PyObject *obj)
 109
 110 ###--------------------------------------------------------------------------
 111 ### mLib basic stuff.
 112
 113 cdef extern from 'mLib/alloc.h':
 114   char *xstrdup(char *p)
 115   void *xmalloc(size_t sz)
 116   void xfree(void *p)
 117
 118 cdef extern from 'mLib/bits.h':
 119   ctypedef int uint32
 120
 121 cdef extern from 'mLib/dstr.h':
 122   ctypedef struct dstr:
 123     char *buf
 124     int len
 125   void DCREATE(dstr *d)
 126   void dstr_destroy(dstr *d)
 127
 128 ###--------------------------------------------------------------------------
 129 ### CRC32.
 130
 131 cdef extern from 'mLib/crc32.h':
 132   uint32 _crc32 "crc32" (uint32 a, void *p, int sz)
 133
 134 ###--------------------------------------------------------------------------
 135 ### Universal hashing.
 136
 137 cdef extern from 'mLib/unihash.h':
 138   ctypedef struct unihash_info:
 139     pass
 140   void unihash_setkey(unihash_info *i, uint32 k)
 141   uint32 UNIHASH_INIT(unihash_info *i)
 142   uint32 unihash_hash(unihash_info *i, uint32 a, void *p, int sz)
 143   unihash_info unihash_global
 144
 145 ###--------------------------------------------------------------------------
 146 ### Symbol tables.
 147
 148 cdef extern from 'mLib/sym.h':
 149   ctypedef struct sym_table:
 150     pass
 151   ctypedef struct sym_base:
 152     pass
 153   ctypedef struct sym_iter:
 154     pass
 155   void sym_create(sym_table *t)
 156   void sym_destroy(sym_table *t)
 157   void *sym_find(sym_table *t, char *n, long l, int sz, unsigned *f)
 158   void sym_remove(sym_table *t, void *b)
 159   char *SYM_NAME(void *b)
 160   int SYM_LEN(void *b)
 161   void sym_mkiter(sym_iter *i, sym_table *t)
 162   void *sym_next(sym_iter *i)
 163
 164 ###--------------------------------------------------------------------------
 165 ### String utilities.
 166
 167 cdef extern from 'mLib/str.h':
 168   enum:
 169     STRF_QUOTE
 170     STRF_PREFIX
 171   char *str_qword(char **pp, unsigned f)
 172   size_t str_qsplit(char *p, char **v, size_t c, char **rest, unsigned f)
 173   bint str_matchx(char *p, char *s, unsigned f)
 174   void str_sanitize(char *d, char *p, size_t sz)
 175
 176 cdef extern from 'mLib/versioncmp.h':
 177   int _versioncmp "versioncmp" (char *va, char *vb)
 178
 179 ###--------------------------------------------------------------------------
 180 ### Binary encoding functions.
 181
 182 cdef extern from 'mLib/codec.h':
 183   ctypedef struct codec
 184   ctypedef struct codec_class:
 185     char *name
 186     codec *(*encoder)(unsigned f, char *ind, unsigned max)
 187     codec *(*decoder)(unsigned f)
 188   ctypedef struct codec_ops:
 189     codec_class *c
 190     int (*code)(codec *c, const void *p, size_t, dstr *d)
 191     void (*destroy)(codec *c)
 192   ctypedef struct codec:
 193     codec_ops *ops
 194   enum:
 195     _CDCF_LOWERC "CDCF_LOWERC"
 196     _CDCF_IGNCASE "CDCF_IGNCASE"
 197     _CDCF_NOEQPAD "CDCF_NOEQPAD"
 198     _CDCF_IGNEQPAD "CDCF_IGNEQPAD"
 199     _CDCF_IGNEQMID "CDCF_IGNEQMID"
 200     _CDCF_IGNZPAD "CDCF_IGNZPAD"
 201     _CDCF_IGNNEWL "CDCF_IGNNEWL"
 202     _CDCF_IGNSPC "CDCF_IGNSPC"
 203     _CDCF_IGNINVCH "CDCF_IGNINVCH"
 204     _CDCF_IGNJUNK "CDCF_IGNJUNK"
 205   enum:
 206     _CDCERR_OK "CDCERR_OK"
 207     _CDCERR_INVCH "CDCERR_INVCH"
 208     _CDCERR_INVEQPAD "CDCERR_INVEQPAD"
 209     _CDCERR_INVZPAD "CDCERR_INVZPAD"
 210   char *_codec_strerror "codec_strerror" (int err)
 211
 212 ###--------------------------------------------------------------------------
 213 ### Form-urlencoding functions.
 214
 215 cdef extern from 'mLib/url.h':
 216   struct url_ectx:
 217     unsigned f
 218   struct url_dctx:
 219     char *p
 220     unsigned f
 221   enum:
 222     URLF_STRICT
 223     URLF_LAX
 224     URLF_SEMI
 225   void url_initenc(url_ectx *ctx)
 226   void url_enc(url_ectx *ctx, dstr *d, char *name, char *value)
 227   void url_initdec(url_dctx *ctx, char *p)
 228   int url_dec(url_dctx *ctx, dstr *n, dstr *v)
 229
 230 ###--------------------------------------------------------------------------
 231 ### Atom stuff.
 232
 233 ## Atoms.
 234 ##
 235 ## Partly written in `real' C.
 236 cdef extern from 'atom.h':
 237   ctypedef struct atom:
 238     pass
 239   ctypedef struct atom_iter:
 240     pass
 241   ctypedef struct atom_table:
 242     pass
 243   atom_table *ATOM_GLOBAL
 244   void atom_mkiter(atom_iter *i, atom_table *t)
 245   atom *atom_next(atom_iter *)
 246   void atom_pysetup()
 247   object atom_pywrap(atom *a)
 248   object atom_pyintern(object obj)
 249   atom *ATOM_A(object obj)
 250   PyTypeObject atom_pytype
 251
 252 ## Association tables.
 253 cdef extern from 'mLib/assoc.h':
 254   ctypedef struct assoc_table:
 255     pass
 256   ctypedef struct assoc_base:
 257     pass
 258   ctypedef struct assoc_iter:
 259     pass
 260   void assoc_create(assoc_table *t)
 261   void assoc_destroy(assoc_table *t)
 262   void *assoc_find(assoc_table *t, atom *a, int sz, unsigned *f)
 263   void assoc_remove(assoc_table *t, void *b)
 264   atom *ASSOC_ATOM(void *b)
 265   void assoc_mkiter(assoc_iter *i, assoc_table *t)
 266   void *assoc_next(assoc_iter *i)
 267
 268 ###--------------------------------------------------------------------------
 269 ### Double-ended arrays.
 270
 271 cdef extern from 'array.h':
 272   void da_pysetup()
 273   PyTypeObject da_pytype
 274   PyTypeObject daiter_pytype
 275
 276 ###--------------------------------------------------------------------------
 277 ### Line buffer.
 278
 279 cdef extern from 'mLib/lbuf.h':
 280   cdef struct lbuf:
 281     int f
 282     int delim
 283     size_t sz
 284   enum:
 285     LBUF_ENABLE
 286     _LBUF_CRLF "LBUF_CRLF"
 287     _LBUF_STRICTCRLF "LBUF_STRICTCRLF"
 288   void lbuf_flush(lbuf *b, char *p, size_t len)
 289   void lbuf_close(lbuf *b)
 290   size_t lbuf_free(lbuf *b, char **p)
 291   void lbuf_setsize(lbuf *b, size_t sz)
 292   void lbuf_enable(lbuf *b)
 293   void lbuf_disable(lbuf *b)
 294   void lbuf_init(lbuf *b,
 295                  void (*func)(char *s, size_t len, void *arg), void *arg)
 296   void lbuf_destroy(lbuf *b)
 297
 298 ###--------------------------------------------------------------------------
 299 ### Packet buffer.
 300
 301 cdef extern from 'mLib/pkbuf.h':
 302   ctypedef struct pkbuf:
 303     int f
 304     int want
 305   enum:
 306     PKBUF_ENABLE
 307   void pkbuf_flush(pkbuf *pk, unsigned char *p, size_t len)
 308   void pkbuf_close(pkbuf *pk)
 309   size_t pkbuf_free(pkbuf *pk, unsigned char **p)
 310   void pkbuf_want(pkbuf *pk, size_t sz)
 311   void pkbuf_init(pkbuf *b,
 312                   void (*func)(unsigned char *s, size_t len,
 313                                pkbuf *pk, size_t *keep, void *arg),
 314                   void *arg)
 315   void pkbuf_destroy(pkbuf *b)
 316
 317 ###--------------------------------------------------------------------------
 318 ### Select stuff.
 319
 320 ## Basics.
 321 cdef extern from 'mLib/sel.h':
 322   ctypedef struct sel_state:
 323     pass
 324   ctypedef struct sel_file:
 325     int fd
 326   ctypedef struct sel_timer:
 327     pass
 328   enum:
 329     _SEL_READ "SEL_READ"
 330     _SEL_WRITE "SEL_WRITE"
 331     _SEL_EXC "SEL_EXC"
 332   void sel_init(sel_state *s)
 333   void sel_initfile(sel_state *s, sel_file *f, int fd, unsigned mode,
 334                     void (*func)(int fd, unsigned mode, void *arg),
 335                     void *arg)
 336   void sel_force(sel_file *f)
 337   void sel_addfile(sel_file *f)
 338   void sel_rmfile(sel_file *f)
 339   void sel_addtimer(sel_state *s, sel_timer *t, timeval *tv,
 340                     void (*func)(timeval *tv, void *arg),
 341                     void *arg)
 342   void sel_rmtimer(sel_timer *t)
 343   int sel_select(sel_state *s) except *
 344
 345 ### Non-blocking connection.
 346 cdef extern from 'mLib/conn.h':
 347   ctypedef struct conn:
 348     pass
 349   int conn_fd(conn *c, sel_state *s, int fd,
 350               void (*func)(int fd, void *arg), void *arg)
 351   void conn_kill(conn *c)
 352
 353 ## Background name resolver.
 354 cdef extern from 'mLib/bres.h':
 355   ctypedef struct bres_client:
 356     pass
 357   void bres_byname(bres_client *r, char *name,
 358                    void (*func)(hostent *h, void *arg), void *arg)
 359   void bres_byaddr(bres_client *r, in_addr addr,
 360                    void (*func)(hostent *h, void *arg), void *arg)
 361   void bres_abort(bres_client *r)
 362   void bres_exec(char *null)
 363   void bres_init(sel_state *s)
 364
 365 ## In-band signal handling.
 366 cdef extern from 'mLib/sig.h':
 367   ctypedef struct sig:
 368     pass
 369   void sig_add(sig *s, int n, void (*func)(int n, void *arg), void *arg)
 370   void sig_remove(sig *s)
 371   void sig_init(sel_state *s)
 372
 373 ## Line buffer.
 374 cdef extern from 'mLib/selbuf.h':
 375   ctypedef struct selbuf:
 376     sel_file reader
 377     lbuf b
 378   void selbuf_enable(selbuf *b)
 379   void selbuf_disable(selbuf *b)
 380   void selbuf_setsize(selbuf *b, size_t sz)
 381   void selbuf_init(selbuf *b, sel_state *s, int fd,
 382                    void (*func)(char *s, size_t len, void *arg), void *arg)
 383   void selbuf_destroy(selbuf *b)
 384
 385 ## Packet buffer.
 386 cdef extern from 'mLib/selpk.h':
 387   ctypedef struct selpk:
 388     sel_file reader
 389     pkbuf pk
 390   void selpk_enable(selpk *b)
 391   void selpk_disable(selpk *b)
 392   void selpk_want(selpk *b, size_t sz)
 393   void selpk_init(selpk *b, sel_state *s, int fd,
 394                   void (*func)(unsigned char *p, size_t n,
 395                                pkbuf *pk, size_t *keep, void *arg),
 396                   void *arg)
 397   void selpk_destroy(selpk *b)
 398
 399 ## Ident client.
 400 cdef extern from 'mLib/ident.h':
 401   ctypedef struct ident_request:
 402     pass
 403   enum:
 404     IDENT_USERID
 405     IDENT_ERROR
 406     IDENT_BAD
 407   struct ident_userid:
 408     char *os
 409     char *user
 410   union ident_u:
 411     ident_userid userid
 412     char *error
 413   ctypedef struct ident_reply:
 414     int sport
 415     int dport
 416     int type
 417     ident_u u
 418   void ident(ident_request *rq, sel_state *s,
 419              sockaddr_in *local, sockaddr_in *remote,
 420              void (*func)(ident_reply *r, void *arg),
 421              void *arg)
 422   void ident_abort(ident_request *rq)
 423
 424 ###--------------------------------------------------------------------------
 425 ### Error reporting.
 426
 427 cdef extern from 'mLib/quis.h':
 428   void _ego "ego"(char *prog)
 429   char *_quis "quis"()
 430
 431 cdef extern from 'mLib/report.h':
 432   void _moan "moan"(char *f, char *msg)
 433
 434 ###--------------------------------------------------------------------------
 435 ### File comparison.
 436
 437 cdef extern from 'mLib/fwatch.h':
 438   ctypedef struct fwatch:
 439     pass
 440   void fwatch_init(fwatch *f, char *name)
 441   void fwatch_initfd(fwatch *f, int fd)
 442   bint fwatch_update(fwatch *f, char *name)
 443   bint fwatch_updatefd(fwatch *f, int fd)
 444
 445 ###--------------------------------------------------------------------------
 446 ### File descriptor hacking.
 447
 448 cdef extern from 'mLib/fdflags.h':
 449   int _fdflags "fdflags"(int fd,
 450                          unsigned fbic, unsigned fxor,
 451                          unsigned fdbic, unsigned fdxor)
 452
 453 cdef extern from 'mLib/fdpass.h':
 454   int fdpass_send(int sock, int fd, void *p, size_t sz)
 455   int fdpass_recv(int sock, int *fd, void *p, size_t sz)
 456
 457 cdef extern from 'mLib/mdup.h':
 458   ctypedef struct mdup_fd:
 459     int cur
 460     int want
 461   int _mdup "mdup"(mdup_fd *v, size_t n)
 462
 463 ###--------------------------------------------------------------------------
 464 ### Daemon utilities.
 465
 466 cdef extern from 'mLib/daemonize.h':
 467   int _daemonize "daemonize"()
 468   void _detachtty "detachtty"()
 469
 470 ###--------------------------------------------------------------------------
 471 ### Internal utilities.
 472
 473 cdef extern from 'grim.h':
 474   int PSIZEOF(void *x)
 475   object BIN_FROMSTRLEN(const void *p, Py_ssize_t sz)
 476   void *BIN_PTR(object bin)
 477   void BIN_SETLEN(object bin, Py_ssize_t sz)
 478   int TEXT_CHECK(object p)
 479   char *TEXT_PTR(str s)
 480   void TEXT_PTRLEN(str s, const char **p, Py_ssize_t *sz)
 481   str TEXT_FROMSTR(const char *p)
 482   str TEXT_FROMSTRLEN(const char *p, Py_ssize_t sz)
 483
 484 ###----- That's all, folks --------------------------------------------------