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

   1 # -*-pyrex-*-
   2 #
   3 # $Id$
   4 #
   5 # Basic definitions, used all over
   6 #
   7 # (c) 2005 Straylight/Edgeware
   8 #
   9
  10 #----- Licensing notice -----------------------------------------------------
  11 #
  12 # This file is part of the Python interface to mLib.
  13 #
  14 # mLib/Python is free software; you can redistribute it and/or modify
  15 # it under the terms of the GNU General Public License as published by
  16 # the Free Software Foundation; either version 2 of the License, or
  17 # (at your option) any later version.
  18 #
  19 # mLib/Python is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with mLib/Python; if not, write to the Free Software Foundation,
  26 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27
  28 #----- C library ------------------------------------------------------------
  29
  30 cdef extern from 'errno.h':
  31   int errno
  32   enum:
  33     EINTR
  34     EAGAIN
  35 cdef extern from 'limits.h':
  36   enum:
  37     LONG_MAX
  38 cdef extern from 'math.h':
  39   double modf(double x, double *i)
  40 cdef extern from 'stddef.h':
  41   ctypedef int size_t
  42 cdef extern from 'string.h':
  43   void memcpy(void *p, void *q, size_t n)
  44   char *strerror(int err)
  45   size_t strlen(char *p)
  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   struct sockaddr:
  58     int sa_family
  59   enum:
  60     AF_INET
  61   int getsockname(int fd, sockaddr *pa, size_t *psz)
  62   int getpeername(int fd, sockaddr *pa, size_t *psz)
  63 cdef extern from 'arpa/inet.h':
  64   struct in_addr:
  65     int s_addr
  66   int inet_aton(char *rp, in_addr *ia)
  67   char *inet_ntoa(in_addr ia)
  68 cdef extern from 'netinet/in.h':
  69   struct sockaddr_in:
  70     int sin_family
  71     in_addr sin_addr
  72     int sin_port
  73   int htons(int x)
  74   int htonl(int x)
  75   int ntohs(int x)
  76   int ntohl(int x)
  77 cdef extern from 'netdb.h':
  78   struct hostent:
  79     char *h_name
  80     char **h_aliases
  81     int h_addrtype
  82     int h_length
  83     char **h_addr_list
  84     char *h_addr
  85   int h_errno
  86
  87 #----- Python ---------------------------------------------------------------
  88
  89 cdef extern from 'Python.h':
  90
  91   object PyString_FromStringAndSize(char *p, int len)
  92   int PyString_AsStringAndSize(obj, char **p, int *len) except -1
  93   int PyObject_AsReadBuffer(obj, void **buf, int *len) except -1
  94   int PyObject_TypeCheck(obj, ty)
  95   object PyInt_FromLong(long i)
  96   object PyLong_FromUnsignedLong(unsigned long i)
  97
  98   ctypedef struct PyObject:
  99     pass
 100   ctypedef struct PyTypeObject:
 101     pass
 102   void Py_INCREF(PyObject *obj)
 103   void Py_DECREF(PyObject *obj)
 104
 105 #----- mLib basic stuff -----------------------------------------------------
 106
 107 cdef extern from 'mLib/alloc.h':
 108   char *xstrdup(char *p)
 109   void *xmalloc(size_t sz)
 110   void xfree(void *p)
 111
 112 cdef extern from 'mLib/bits.h':
 113   ctypedef int uint32
 114
 115 cdef extern from 'mLib/dstr.h':
 116   ctypedef struct dstr:
 117     char *buf
 118     int len
 119   void DCREATE(dstr *d)
 120   void dstr_destroy(dstr *d)
 121
 122 #----- CRC32 ----------------------------------------------------------------
 123
 124 cdef extern from 'mLib/crc32.h':
 125   uint32 c_crc32 "crc32" (uint32 a, void *p, int sz)
 126
 127 #----- Universal hashing ----------------------------------------------------
 128
 129 cdef extern from 'mLib/unihash.h':
 130   ctypedef struct unihash_info:
 131     pass
 132   void unihash_setkey(unihash_info *i, uint32 k)
 133   uint32 UNIHASH_INIT(unihash_info *i)
 134   uint32 unihash_hash(unihash_info *i, uint32 a, void *p, int sz)
 135   unihash_info unihash_global
 136
 137 #----- Symbol tables --------------------------------------------------------
 138
 139 cdef extern from 'mLib/sym.h':
 140   ctypedef struct sym_table:
 141     pass
 142   ctypedef struct sym_base:
 143     pass
 144   ctypedef struct sym_iter:
 145     pass
 146   void sym_create(sym_table *t)
 147   void sym_destroy(sym_table *t)
 148   void *sym_find(sym_table *t, char *n, long l, int sz, unsigned *f)
 149   void sym_remove(sym_table *t, void *b)
 150   char *SYM_NAME(void *b)
 151   int SYM_LEN(void *b)
 152   void sym_mkiter(sym_iter *i, sym_table *t)
 153   void *sym_next(sym_iter *i)
 154
 155 #----- String utilities -----------------------------------------------------
 156
 157 cdef extern from 'mLib/str.h':
 158   enum:
 159     STRF_QUOTE
 160   char *str_qword(char **pp, unsigned f)
 161   size_t str_qsplit(char *p, char **v, size_t c, char **rest, unsigned f)
 162   int str_match(char *p, char *s)
 163   void str_sanitize(char *d, char *p, size_t sz)
 164
 165 #----- Atom stuff -----------------------------------------------------------
 166
 167 # --- Atoms ---
 168 #
 169 # Partly written in `real' C.
 170
 171 cdef extern from 'atom.h':
 172   ctypedef struct atom:
 173     pass
 174   ctypedef struct atom_iter:
 175     pass
 176   ctypedef struct atom_table:
 177     pass
 178   atom_table *ATOM_GLOBAL
 179   void atom_mkiter(atom_iter *i, atom_table *t)
 180   atom *atom_next(atom_iter *)
 181   void atom_pysetup()
 182   atom_pywrap(atom *a)
 183   atom_pyintern(obj)
 184   atom *ATOM_A(obj)
 185   PyTypeObject atom_pytype
 186
 187 # --- Association tables ---
 188
 189 cdef extern from 'mLib/assoc.h':
 190   ctypedef struct assoc_table:
 191     pass
 192   ctypedef struct assoc_base:
 193     pass
 194   ctypedef struct assoc_iter:
 195     pass
 196   void assoc_create(assoc_table *t)
 197   void assoc_destroy(assoc_table *t)
 198   void *assoc_find(assoc_table *t, atom *a, int sz, unsigned *f)
 199   void assoc_remove(assoc_table *t, void *b)
 200   atom *ASSOC_ATOM(void *b)
 201   void assoc_mkiter(assoc_iter *i, assoc_table *t)
 202   void *assoc_next(assoc_iter *i)
 203
 204 #----- Double-ended arrays --------------------------------------------------
 205
 206 cdef extern from 'array.h':
 207   void da_pysetup()
 208   PyTypeObject da_pytype
 209   PyTypeObject daiter_pytype
 210
 211 #----- Line buffer ----------------------------------------------------------
 212
 213 cdef extern from 'mLib/lbuf.h':
 214   cdef struct lbuf:
 215     int f
 216     int delim
 217     size_t sz
 218   enum:
 219     LBUF_ENABLE
 220     _LBUF_CRLF "LBUF_CRLF"
 221     _LBUF_STRICTCRLF "LBUF_STRICTCRLF"
 222   void lbuf_flush(lbuf *b, char *p, size_t len)
 223   void lbuf_close(lbuf *b)
 224   size_t lbuf_free(lbuf *b, char **p)
 225   void lbuf_setsize(lbuf *b, size_t sz)
 226   void lbuf_enable(lbuf *b)
 227   void lbuf_disable(lbuf *b)
 228   void lbuf_init(lbuf *b,
 229                  void (*func)(char *s, size_t len, void *arg), void *arg)
 230   void lbuf_destroy(lbuf *b)
 231
 232 #----- Packet buffer --------------------------------------------------------
 233
 234 cdef extern from 'mLib/pkbuf.h':
 235   ctypedef struct pkbuf:
 236     int f
 237     int want
 238   enum:
 239     PKBUF_ENABLE
 240   void pkbuf_flush(pkbuf *pk, unsigned char *p, size_t len)
 241   void pkbuf_close(pkbuf *pk)
 242   size_t pkbuf_free(pkbuf *pk, unsigned char **p)
 243   void pkbuf_want(pkbuf *pk, size_t sz)
 244   void pkbuf_init(pkbuf *b,
 245                   void (*func)(unsigned char *s, size_t len,
 246                                pkbuf *pk, size_t *keep, void *arg),
 247                   void *arg)
 248   void pkbuf_destroy(pkbuf *b)
 249
 250 #----- Select stuff ---------------------------------------------------------
 251
 252 # --- Basics ---
 253
 254 cdef extern from 'mLib/sel.h':
 255   ctypedef struct sel_state:
 256     pass
 257   ctypedef struct sel_file:
 258     int fd
 259   ctypedef struct sel_timer:
 260     pass
 261   enum:
 262     _SEL_READ "SEL_READ"
 263     _SEL_WRITE "SEL_WRITE"
 264     _SEL_EXC "SEL_EXC"
 265   void sel_init(sel_state *s)
 266   void sel_initfile(sel_state *s, sel_file *f, int fd, unsigned mode,
 267                     void (*func)(int fd, unsigned mode, void *arg),
 268                     void *arg)
 269   void sel_force(sel_file *f)
 270   void sel_addfile(sel_file *f)
 271   void sel_rmfile(sel_file *f)
 272   void sel_addtimer(sel_state *s, sel_timer *t, timeval *tv,
 273                     void (*func)(timeval *tv, void *arg),
 274                     void *arg)
 275   void sel_rmtimer(sel_timer *t)
 276   int sel_select(sel_state *s) except *
 277
 278 # --- Non-blocking connection ---
 279
 280 cdef extern from 'mLib/conn.h':
 281   ctypedef struct conn:
 282     pass
 283   int conn_fd(conn *c, sel_state *s, int fd,
 284               void (*func)(int fd, void *arg), void *arg)
 285   void conn_kill(conn *c)
 286
 287 # --- Background name resolver ---
 288
 289 cdef extern from 'mLib/bres.h':
 290   ctypedef struct bres_client:
 291     pass
 292   void bres_byname(bres_client *r, char *name,
 293                    void (*func)(hostent *h, void *arg), void *arg)
 294   void bres_byaddr(bres_client *r, in_addr addr,
 295                    void (*func)(hostent *h, void *arg), void *arg)
 296   void bres_abort(bres_client *r)
 297   void bres_exec(char *null)
 298   void bres_init(sel_state *s)
 299
 300 # --- In-band signal handling ---
 301
 302 cdef extern from 'mLib/sig.h':
 303   ctypedef struct sig:
 304     pass
 305   void sig_add(sig *s, int n, void (*func)(int n, void *arg), void *arg)
 306   void sig_remove(sig *s)
 307   void sig_init(sel_state *s)
 308
 309 # --- Line buffer ---
 310
 311 cdef extern from 'mLib/selbuf.h':
 312   ctypedef struct selbuf:
 313     sel_file reader
 314     lbuf b
 315   void selbuf_enable(selbuf *b)
 316   void selbuf_disable(selbuf *b)
 317   void selbuf_setsize(selbuf *b, size_t sz)
 318   void selbuf_init(selbuf *b, sel_state *s, int fd,
 319                    void (*func)(char *s, size_t len, void *arg), void *arg)
 320   void selbuf_destroy(selbuf *b)
 321
 322 # --- Packet buffer ---
 323
 324 cdef extern from 'mLib/selpk.h':
 325   ctypedef struct selpk:
 326     sel_file reader
 327     pkbuf pk
 328   void selpk_enable(selpk *b)
 329   void selpk_disable(selpk *b)
 330   void selpk_want(selpk *b, size_t sz)
 331   void selpk_init(selpk *b, sel_state *s, int fd,
 332                   void (*func)(unsigned char *p, size_t n,
 333                                pkbuf *pk, size_t *keep, void *arg),
 334                   void *arg)
 335   void selpk_destroy(selpk *b)
 336
 337 # --- Ident client ---
 338
 339 cdef extern from 'mLib/ident.h':
 340   ctypedef struct ident_request:
 341     pass
 342   enum:
 343     IDENT_USERID
 344     IDENT_ERROR
 345     IDENT_BAD
 346   struct ident_userid:
 347     char *os
 348     char *user
 349   union ident_u:
 350     ident_userid userid
 351     char *error
 352   ctypedef struct ident_reply:
 353     int sport
 354     int dport
 355     int type
 356     ident_u u
 357   void ident(ident_request *rq, sel_state *s,
 358              sockaddr_in *local, sockaddr_in *remote,
 359              void (*func)(ident_reply *r, void *arg),
 360              void *arg)
 361   void ident_abort(ident_request *rq)
 362
 363 #----- Error reporting ------------------------------------------------------
 364
 365 cdef extern from 'mLib/quis.h':
 366   void _ego "ego"(char *prog)
 367   char *_quis "quis"()
 368 cdef extern from 'mLib/report.h':
 369   void _moan "moan"(char *f, char *msg)
 370
 371 #----- Internal utilities ---------------------------------------------------
 372
 373 cdef extern from 'grim.h':
 374   int PSIZEOF(void *x)
 375
 376 #----- That's all, folks ----------------------------------------------------