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   object PyString_FromStringAndSize(char *p, Py_ssize_t len)
  99   int PyString_AsStringAndSize(obj, char **p, Py_ssize_t *len) except -1
 100   int PyObject_AsReadBuffer(obj, void **buf, Py_ssize_t *len) except -1
 101   object PyInt_FromLong(long i)
 102   object PyLong_FromUnsignedLong(unsigned long i)
 103   char *PyString_AS_STRING(string)
 104   int _PyString_Resize(PyObject **string, int size) except -1
 105   void PyErr_Clear()
 106
 107   void Py_INCREF(PyObject *obj)
 108   void Py_DECREF(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 c_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   int 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 ### Form-urlencoding functions.
 181
 182 cdef extern from 'mLib/url.h':
 183   struct url_ectx:
 184     unsigned f
 185   struct url_dctx:
 186     char *p
 187     unsigned f
 188   enum:
 189     URLF_STRICT
 190     URLF_LAX
 191     URLF_SEMI
 192   void url_initenc(url_ectx *ctx)
 193   void url_enc(url_ectx *ctx, dstr *d, char *name, char *value)
 194   void url_initdec(url_dctx *ctx, char *p)
 195   int url_dec(url_dctx *ctx, dstr *n, dstr *v)
 196
 197 ###--------------------------------------------------------------------------
 198 ### Atom stuff.
 199
 200 ## Atoms.
 201 ##
 202 ## Partly written in `real' C.
 203 cdef extern from 'atom.h':
 204   ctypedef struct atom:
 205     pass
 206   ctypedef struct atom_iter:
 207     pass
 208   ctypedef struct atom_table:
 209     pass
 210   atom_table *ATOM_GLOBAL
 211   void atom_mkiter(atom_iter *i, atom_table *t)
 212   atom *atom_next(atom_iter *)
 213   void atom_pysetup()
 214   atom_pywrap(atom *a)
 215   atom_pyintern(obj)
 216   atom *ATOM_A(obj)
 217   PyTypeObject atom_pytype
 218
 219 ## Association tables.
 220 cdef extern from 'mLib/assoc.h':
 221   ctypedef struct assoc_table:
 222     pass
 223   ctypedef struct assoc_base:
 224     pass
 225   ctypedef struct assoc_iter:
 226     pass
 227   void assoc_create(assoc_table *t)
 228   void assoc_destroy(assoc_table *t)
 229   void *assoc_find(assoc_table *t, atom *a, int sz, unsigned *f)
 230   void assoc_remove(assoc_table *t, void *b)
 231   atom *ASSOC_ATOM(void *b)
 232   void assoc_mkiter(assoc_iter *i, assoc_table *t)
 233   void *assoc_next(assoc_iter *i)
 234
 235 ###--------------------------------------------------------------------------
 236 ### Double-ended arrays.
 237
 238 cdef extern from 'array.h':
 239   void da_pysetup()
 240   PyTypeObject da_pytype
 241   PyTypeObject daiter_pytype
 242
 243 ###--------------------------------------------------------------------------
 244 ### Line buffer.
 245
 246 cdef extern from 'mLib/lbuf.h':
 247   cdef struct lbuf:
 248     int f
 249     int delim
 250     size_t sz
 251   enum:
 252     LBUF_ENABLE
 253     _LBUF_CRLF "LBUF_CRLF"
 254     _LBUF_STRICTCRLF "LBUF_STRICTCRLF"
 255   void lbuf_flush(lbuf *b, char *p, size_t len)
 256   void lbuf_close(lbuf *b)
 257   size_t lbuf_free(lbuf *b, char **p)
 258   void lbuf_setsize(lbuf *b, size_t sz)
 259   void lbuf_enable(lbuf *b)
 260   void lbuf_disable(lbuf *b)
 261   void lbuf_init(lbuf *b,
 262                  void (*func)(char *s, size_t len, void *arg), void *arg)
 263   void lbuf_destroy(lbuf *b)
 264
 265 ###--------------------------------------------------------------------------
 266 ### Packet buffer.
 267
 268 cdef extern from 'mLib/pkbuf.h':
 269   ctypedef struct pkbuf:
 270     int f
 271     int want
 272   enum:
 273     PKBUF_ENABLE
 274   void pkbuf_flush(pkbuf *pk, unsigned char *p, size_t len)
 275   void pkbuf_close(pkbuf *pk)
 276   size_t pkbuf_free(pkbuf *pk, unsigned char **p)
 277   void pkbuf_want(pkbuf *pk, size_t sz)
 278   void pkbuf_init(pkbuf *b,
 279                   void (*func)(unsigned char *s, size_t len,
 280                                pkbuf *pk, size_t *keep, void *arg),
 281                   void *arg)
 282   void pkbuf_destroy(pkbuf *b)
 283
 284 ###--------------------------------------------------------------------------
 285 ### Select stuff.
 286
 287 ## Basics.
 288 cdef extern from 'mLib/sel.h':
 289   ctypedef struct sel_state:
 290     pass
 291   ctypedef struct sel_file:
 292     int fd
 293   ctypedef struct sel_timer:
 294     pass
 295   enum:
 296     _SEL_READ "SEL_READ"
 297     _SEL_WRITE "SEL_WRITE"
 298     _SEL_EXC "SEL_EXC"
 299   void sel_init(sel_state *s)
 300   void sel_initfile(sel_state *s, sel_file *f, int fd, unsigned mode,
 301                     void (*func)(int fd, unsigned mode, void *arg),
 302                     void *arg)
 303   void sel_force(sel_file *f)
 304   void sel_addfile(sel_file *f)
 305   void sel_rmfile(sel_file *f)
 306   void sel_addtimer(sel_state *s, sel_timer *t, timeval *tv,
 307                     void (*func)(timeval *tv, void *arg),
 308                     void *arg)
 309   void sel_rmtimer(sel_timer *t)
 310   int sel_select(sel_state *s) except *
 311
 312 ### Non-blocking connection.
 313 cdef extern from 'mLib/conn.h':
 314   ctypedef struct conn:
 315     pass
 316   int conn_fd(conn *c, sel_state *s, int fd,
 317               void (*func)(int fd, void *arg), void *arg)
 318   void conn_kill(conn *c)
 319
 320 ## Background name resolver.
 321 cdef extern from 'mLib/bres.h':
 322   ctypedef struct bres_client:
 323     pass
 324   void bres_byname(bres_client *r, char *name,
 325                    void (*func)(hostent *h, void *arg), void *arg)
 326   void bres_byaddr(bres_client *r, in_addr addr,
 327                    void (*func)(hostent *h, void *arg), void *arg)
 328   void bres_abort(bres_client *r)
 329   void bres_exec(char *null)
 330   void bres_init(sel_state *s)
 331
 332 ## In-band signal handling.
 333 cdef extern from 'mLib/sig.h':
 334   ctypedef struct sig:
 335     pass
 336   void sig_add(sig *s, int n, void (*func)(int n, void *arg), void *arg)
 337   void sig_remove(sig *s)
 338   void sig_init(sel_state *s)
 339
 340 ## Line buffer.
 341 cdef extern from 'mLib/selbuf.h':
 342   ctypedef struct selbuf:
 343     sel_file reader
 344     lbuf b
 345   void selbuf_enable(selbuf *b)
 346   void selbuf_disable(selbuf *b)
 347   void selbuf_setsize(selbuf *b, size_t sz)
 348   void selbuf_init(selbuf *b, sel_state *s, int fd,
 349                    void (*func)(char *s, size_t len, void *arg), void *arg)
 350   void selbuf_destroy(selbuf *b)
 351
 352 ## Packet buffer.
 353 cdef extern from 'mLib/selpk.h':
 354   ctypedef struct selpk:
 355     sel_file reader
 356     pkbuf pk
 357   void selpk_enable(selpk *b)
 358   void selpk_disable(selpk *b)
 359   void selpk_want(selpk *b, size_t sz)
 360   void selpk_init(selpk *b, sel_state *s, int fd,
 361                   void (*func)(unsigned char *p, size_t n,
 362                                pkbuf *pk, size_t *keep, void *arg),
 363                   void *arg)
 364   void selpk_destroy(selpk *b)
 365
 366 ## Ident client.
 367 cdef extern from 'mLib/ident.h':
 368   ctypedef struct ident_request:
 369     pass
 370   enum:
 371     IDENT_USERID
 372     IDENT_ERROR
 373     IDENT_BAD
 374   struct ident_userid:
 375     char *os
 376     char *user
 377   union ident_u:
 378     ident_userid userid
 379     char *error
 380   ctypedef struct ident_reply:
 381     int sport
 382     int dport
 383     int type
 384     ident_u u
 385   void ident(ident_request *rq, sel_state *s,
 386              sockaddr_in *local, sockaddr_in *remote,
 387              void (*func)(ident_reply *r, void *arg),
 388              void *arg)
 389   void ident_abort(ident_request *rq)
 390
 391 ###--------------------------------------------------------------------------
 392 ### Error reporting.
 393
 394 cdef extern from 'mLib/quis.h':
 395   void _ego "ego"(char *prog)
 396   char *_quis "quis"()
 397
 398 cdef extern from 'mLib/report.h':
 399   void _moan "moan"(char *f, char *msg)
 400
 401 ###--------------------------------------------------------------------------
 402 ### File comparison.
 403
 404 cdef extern from 'mLib/fwatch.h':
 405   ctypedef struct fwatch:
 406     pass
 407   void fwatch_init(fwatch *f, char *name)
 408   void fwatch_initfd(fwatch *f, int fd)
 409   int fwatch_update(fwatch *f, char *name)
 410   int fwatch_updatefd(fwatch *f, int fd)
 411
 412 ###--------------------------------------------------------------------------
 413 ### File descriptor hacking.
 414
 415 cdef extern from 'mLib/fdflags.h':
 416   int _fdflags "fdflags"(int fd,
 417                          unsigned fbic, unsigned fxor,
 418                          unsigned fdbic, unsigned fdxor)
 419
 420 cdef extern from 'mLib/fdpass.h':
 421   int fdpass_send(int sock, int fd, void *p, size_t sz)
 422   int fdpass_recv(int sock, int *fd, void *p, size_t sz)
 423
 424 cdef extern from 'mLib/mdup.h':
 425   ctypedef struct mdup_fd:
 426     int cur
 427     int want
 428   int _mdup "mdup"(mdup_fd *v, size_t n)
 429
 430 ###--------------------------------------------------------------------------
 431 ### Daemon utilities.
 432
 433 cdef extern from 'mLib/daemonize.h':
 434   int _daemonize "daemonize"()
 435   void _detachtty "detachtty"()
 436
 437 ###--------------------------------------------------------------------------
 438 ### Internal utilities.
 439
 440 cdef extern from 'grim.h':
 441   int PSIZEOF(void *x)
 442   ctypedef void *cvp
 443
 444 ###----- That's all, folks --------------------------------------------------