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