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 ###----- C library ----------------------------------------------------------
  27
  28 cdef extern from 'errno.h':
  29   int errno
  30   enum:
  31     EINTR
  32     EAGAIN
  33 cdef extern from 'limits.h':
  34   enum:
  35     LONG_MAX
  36 cdef extern from 'math.h':
  37   double modf(double x, double *i)
  38 cdef extern from 'stddef.h':
  39   ctypedef int size_t
  40 cdef extern from 'string.h':
  41   void memcpy(void *p, void *q, size_t n)
  42   char *strerror(int err)
  43   size_t strlen(char *p)
  44
  45 ###----- Unix interface -----------------------------------------------------
  46
  47 cdef extern from 'sys/types.h':
  48   pass
  49 cdef extern from 'sys/time.h':
  50   struct timeval:
  51     int tv_sec
  52     int tv_usec
  53
  54 cdef extern from 'sys/socket.h':
  55   struct sockaddr:
  56     int sa_family
  57   enum:
  58     AF_INET
  59   int getsockname(int fd, sockaddr *pa, size_t *psz)
  60   int getpeername(int fd, sockaddr *pa, size_t *psz)
  61 cdef extern from 'arpa/inet.h':
  62   struct in_addr:
  63     int s_addr
  64   int inet_aton(char *rp, in_addr *ia)
  65   char *inet_ntoa(in_addr ia)
  66 cdef extern from 'netinet/in.h':
  67   struct sockaddr_in:
  68     int sin_family
  69     in_addr sin_addr
  70     int sin_port
  71   int htons(int x)
  72   int htonl(int x)
  73   int ntohs(int x)
  74   int ntohl(int x)
  75 cdef extern from 'netdb.h':
  76   struct hostent:
  77     char *h_name
  78     char **h_aliases
  79     int h_addrtype
  80     int h_length
  81     char **h_addr_list
  82     char *h_addr
  83   int h_errno
  84
  85 ###----- Python -------------------------------------------------------------
  86
  87 cdef extern from 'Python.h':
  88
  89   ctypedef struct PyObject:
  90     pass
  91   ctypedef struct PyTypeObject:
  92     pass
  93
  94   object PyString_FromStringAndSize(char *p, int len)
  95   int PyString_AsStringAndSize(obj, char **p, int *len) except -1
  96   int PyObject_AsReadBuffer(obj, void **buf, int *len) except -1
  97   int PyObject_TypeCheck(obj, ty)
  98   object PyInt_FromLong(long i)
  99   object PyLong_FromUnsignedLong(unsigned long i)
 100   char *PyString_AS_STRING(string)
 101   int _PyString_Resize(PyObject **string, int size) except -1
 102
 103   void Py_INCREF(PyObject *obj)
 104   void Py_DECREF(PyObject *obj)
 105
 106 ###----- mLib basic stuff ---------------------------------------------------
 107
 108 cdef extern from 'mLib/alloc.h':
 109   char *xstrdup(char *p)
 110   void *xmalloc(size_t sz)
 111   void xfree(void *p)
 112
 113 cdef extern from 'mLib/bits.h':
 114   ctypedef int uint32
 115
 116 cdef extern from 'mLib/dstr.h':
 117   ctypedef struct dstr:
 118     char *buf
 119     int len
 120   void DCREATE(dstr *d)
 121   void dstr_destroy(dstr *d)
 122
 123 ###----- CRC32 --------------------------------------------------------------
 124
 125 cdef extern from 'mLib/crc32.h':
 126   uint32 c_crc32 "crc32" (uint32 a, void *p, int sz)
 127
 128 ###----- Universal hashing --------------------------------------------------
 129
 130 cdef extern from 'mLib/unihash.h':
 131   ctypedef struct unihash_info:
 132     pass
 133   void unihash_setkey(unihash_info *i, uint32 k)
 134   uint32 UNIHASH_INIT(unihash_info *i)
 135   uint32 unihash_hash(unihash_info *i, uint32 a, void *p, int sz)
 136   unihash_info unihash_global
 137
 138 ###----- Symbol tables ------------------------------------------------------
 139
 140 cdef extern from 'mLib/sym.h':
 141   ctypedef struct sym_table:
 142     pass
 143   ctypedef struct sym_base:
 144     pass
 145   ctypedef struct sym_iter:
 146     pass
 147   void sym_create(sym_table *t)
 148   void sym_destroy(sym_table *t)
 149   void *sym_find(sym_table *t, char *n, long l, int sz, unsigned *f)
 150   void sym_remove(sym_table *t, void *b)
 151   char *SYM_NAME(void *b)
 152   int SYM_LEN(void *b)
 153   void sym_mkiter(sym_iter *i, sym_table *t)
 154   void *sym_next(sym_iter *i)
 155
 156 ###----- String utilities ---------------------------------------------------
 157
 158 cdef extern from 'mLib/str.h':
 159   enum:
 160     STRF_QUOTE
 161     STRF_PREFIX
 162   char *str_qword(char **pp, unsigned f)
 163   size_t str_qsplit(char *p, char **v, size_t c, char **rest, unsigned f)
 164   int str_matchx(char *p, char *s, unsigned f)
 165   void str_sanitize(char *d, char *p, size_t sz)
 166
 167 cdef extern from 'mLib/versioncmp.h':
 168   int _versioncmp "versioncmp"(char *va, char *vb)
 169
 170 ###----- Form-urlencoding functions -----------------------------------------
 171
 172 cdef extern from 'mLib/url.h':
 173   struct url_ectx:
 174     unsigned f
 175   struct url_dctx:
 176     char *p
 177     unsigned f
 178   enum:
 179     URLF_STRICT
 180     URLF_LAX
 181     URLF_SEMI
 182   void url_initenc(url_ectx *ctx)
 183   void url_enc(url_ectx *ctx, dstr *d, char *name, char *value)
 184   void url_initdec(url_dctx *ctx, char *p)
 185   int url_dec(url_dctx *ctx, dstr *n, dstr *v)
 186
 187 ###----- Atom stuff ---------------------------------------------------------
 188
 189 ## Atoms.
 190 ##
 191 ## Partly written in `real' C.
 192 cdef extern from 'atom.h':
 193   ctypedef struct atom:
 194     pass
 195   ctypedef struct atom_iter:
 196     pass
 197   ctypedef struct atom_table:
 198     pass
 199   atom_table *ATOM_GLOBAL
 200   void atom_mkiter(atom_iter *i, atom_table *t)
 201   atom *atom_next(atom_iter *)
 202   void atom_pysetup()
 203   atom_pywrap(atom *a)
 204   atom_pyintern(obj)
 205   atom *ATOM_A(obj)
 206   PyTypeObject atom_pytype
 207
 208 ## Association tables.
 209 cdef extern from 'mLib/assoc.h':
 210   ctypedef struct assoc_table:
 211     pass
 212   ctypedef struct assoc_base:
 213     pass
 214   ctypedef struct assoc_iter:
 215     pass
 216   void assoc_create(assoc_table *t)
 217   void assoc_destroy(assoc_table *t)
 218   void *assoc_find(assoc_table *t, atom *a, int sz, unsigned *f)
 219   void assoc_remove(assoc_table *t, void *b)
 220   atom *ASSOC_ATOM(void *b)
 221   void assoc_mkiter(assoc_iter *i, assoc_table *t)
 222   void *assoc_next(assoc_iter *i)
 223
 224 ###----- Double-ended arrays ------------------------------------------------
 225
 226 cdef extern from 'array.h':
 227   void da_pysetup()
 228   PyTypeObject da_pytype
 229   PyTypeObject daiter_pytype
 230
 231 ###----- Line buffer --------------------------------------------------------
 232
 233 cdef extern from 'mLib/lbuf.h':
 234   cdef struct lbuf:
 235     int f
 236     int delim
 237     size_t sz
 238   enum:
 239     LBUF_ENABLE
 240     _LBUF_CRLF "LBUF_CRLF"
 241     _LBUF_STRICTCRLF "LBUF_STRICTCRLF"
 242   void lbuf_flush(lbuf *b, char *p, size_t len)
 243   void lbuf_close(lbuf *b)
 244   size_t lbuf_free(lbuf *b, char **p)
 245   void lbuf_setsize(lbuf *b, size_t sz)
 246   void lbuf_enable(lbuf *b)
 247   void lbuf_disable(lbuf *b)
 248   void lbuf_init(lbuf *b,
 249                  void (*func)(char *s, size_t len, void *arg), void *arg)
 250   void lbuf_destroy(lbuf *b)
 251
 252 ###----- Packet buffer ------------------------------------------------------
 253
 254 cdef extern from 'mLib/pkbuf.h':
 255   ctypedef struct pkbuf:
 256     int f
 257     int want
 258   enum:
 259     PKBUF_ENABLE
 260   void pkbuf_flush(pkbuf *pk, unsigned char *p, size_t len)
 261   void pkbuf_close(pkbuf *pk)
 262   size_t pkbuf_free(pkbuf *pk, unsigned char **p)
 263   void pkbuf_want(pkbuf *pk, size_t sz)
 264   void pkbuf_init(pkbuf *b,
 265                   void (*func)(unsigned char *s, size_t len,
 266                                pkbuf *pk, size_t *keep, void *arg),
 267                   void *arg)
 268   void pkbuf_destroy(pkbuf *b)
 269
 270 ###----- Select stuff -------------------------------------------------------
 271
 272 ## Basics.
 273 cdef extern from 'mLib/sel.h':
 274   ctypedef struct sel_state:
 275     pass
 276   ctypedef struct sel_file:
 277     int fd
 278   ctypedef struct sel_timer:
 279     pass
 280   enum:
 281     _SEL_READ "SEL_READ"
 282     _SEL_WRITE "SEL_WRITE"
 283     _SEL_EXC "SEL_EXC"
 284   void sel_init(sel_state *s)
 285   void sel_initfile(sel_state *s, sel_file *f, int fd, unsigned mode,
 286                     void (*func)(int fd, unsigned mode, void *arg),
 287                     void *arg)
 288   void sel_force(sel_file *f)
 289   void sel_addfile(sel_file *f)
 290   void sel_rmfile(sel_file *f)
 291   void sel_addtimer(sel_state *s, sel_timer *t, timeval *tv,
 292                     void (*func)(timeval *tv, void *arg),
 293                     void *arg)
 294   void sel_rmtimer(sel_timer *t)
 295   int sel_select(sel_state *s) except *
 296
 297 ### Non-blocking connection.
 298 cdef extern from 'mLib/conn.h':
 299   ctypedef struct conn:
 300     pass
 301   int conn_fd(conn *c, sel_state *s, int fd,
 302               void (*func)(int fd, void *arg), void *arg)
 303   void conn_kill(conn *c)
 304
 305 ## Background name resolver.
 306 cdef extern from 'mLib/bres.h':
 307   ctypedef struct bres_client:
 308     pass
 309   void bres_byname(bres_client *r, char *name,
 310                    void (*func)(hostent *h, void *arg), void *arg)
 311   void bres_byaddr(bres_client *r, in_addr addr,
 312                    void (*func)(hostent *h, void *arg), void *arg)
 313   void bres_abort(bres_client *r)
 314   void bres_exec(char *null)
 315   void bres_init(sel_state *s)
 316
 317 ## In-band signal handling.
 318 cdef extern from 'mLib/sig.h':
 319   ctypedef struct sig:
 320     pass
 321   void sig_add(sig *s, int n, void (*func)(int n, void *arg), void *arg)
 322   void sig_remove(sig *s)
 323   void sig_init(sel_state *s)
 324
 325 ## Line buffer.
 326 cdef extern from 'mLib/selbuf.h':
 327   ctypedef struct selbuf:
 328     sel_file reader
 329     lbuf b
 330   void selbuf_enable(selbuf *b)
 331   void selbuf_disable(selbuf *b)
 332   void selbuf_setsize(selbuf *b, size_t sz)
 333   void selbuf_init(selbuf *b, sel_state *s, int fd,
 334                    void (*func)(char *s, size_t len, void *arg), void *arg)
 335   void selbuf_destroy(selbuf *b)
 336
 337 ## Packet buffer.
 338 cdef extern from 'mLib/selpk.h':
 339   ctypedef struct selpk:
 340     sel_file reader
 341     pkbuf pk
 342   void selpk_enable(selpk *b)
 343   void selpk_disable(selpk *b)
 344   void selpk_want(selpk *b, size_t sz)
 345   void selpk_init(selpk *b, sel_state *s, int fd,
 346                   void (*func)(unsigned char *p, size_t n,
 347                                pkbuf *pk, size_t *keep, void *arg),
 348                   void *arg)
 349   void selpk_destroy(selpk *b)
 350
 351 ## Ident client.
 352 cdef extern from 'mLib/ident.h':
 353   ctypedef struct ident_request:
 354     pass
 355   enum:
 356     IDENT_USERID
 357     IDENT_ERROR
 358     IDENT_BAD
 359   struct ident_userid:
 360     char *os
 361     char *user
 362   union ident_u:
 363     ident_userid userid
 364     char *error
 365   ctypedef struct ident_reply:
 366     int sport
 367     int dport
 368     int type
 369     ident_u u
 370   void ident(ident_request *rq, sel_state *s,
 371              sockaddr_in *local, sockaddr_in *remote,
 372              void (*func)(ident_reply *r, void *arg),
 373              void *arg)
 374   void ident_abort(ident_request *rq)
 375
 376 ###----- Error reporting ----------------------------------------------------
 377
 378 cdef extern from 'mLib/quis.h':
 379   void _ego "ego"(char *prog)
 380   char *_quis "quis"()
 381
 382 cdef extern from 'mLib/report.h':
 383   void _moan "moan"(char *f, char *msg)
 384
 385 ###----- File comparison ----------------------------------------------------
 386
 387 cdef extern from 'mLib/fwatch.h':
 388   ctypedef struct fwatch:
 389     pass
 390   void fwatch_init(fwatch *f, char *name)
 391   void fwatch_initfd(fwatch *f, int fd)
 392   int fwatch_update(fwatch *f, char *name)
 393   int fwatch_updatefd(fwatch *f, int fd)
 394
 395 ###----- File descriptor hacking --------------------------------------------
 396
 397 cdef extern from 'mLib/fdflags.h':
 398   int _fdflags "fdflags"(int fd,
 399                          unsigned fbic, unsigned fxor,
 400                          unsigned fdbic, unsigned fdxor)
 401
 402 cdef extern from 'mLib/fdpass.h':
 403   int fdpass_send(int sock, int fd, void *p, size_t sz)
 404   int fdpass_recv(int sock, int *fd, void *p, size_t sz)
 405
 406 cdef extern from 'mLib/mdup.h':
 407   ctypedef struct mdup_fd:
 408     int cur
 409     int want
 410   int _mdup "mdup"(mdup_fd *v, size_t n)
 411
 412 ###----- Daemon utilities ---------------------------------------------------
 413
 414 cdef extern from 'mLib/daemonize.h':
 415   int _daemonize "daemonize"()
 416   void _detachtty "detachtty"()
 417
 418 ###----- Internal utilities -------------------------------------------------
 419
 420 cdef extern from 'grim.h':
 421   int PSIZEOF(void *x)
 422
 423 ###----- That's all, folks --------------------------------------------------