| 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 ---------------------------------------------------- |