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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.20 by root, Thu Aug 31 18:59:24 2006 UTC vs.
Revision 1.40 by root, Tue Dec 19 04:58:04 2006 UTC

… …
9using namespace std; 9using namespace std;
10 10
11#include <EXTERN.h> 11#include <EXTERN.h>
12#include <perl.h> 12#include <perl.h>
13#include <XSUB.h> 13#include <XSUB.h>
14
15#include <EventAPI.h>
16
17#include "callback.h"
14 18
15// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
16#undef localtime 20#undef localtime
17#undef srand48 21#undef srand48
18#undef drand48 22#undef drand48
… …
21#undef getprotobyname 25#undef getprotobyname
22#undef gethostbyname 26#undef gethostbyname
23#undef ctime 27#undef ctime
24#undef strerror 28#undef strerror
25 29
30// same here, massive symbol spamming
31#undef do_open
32#undef do_close
33
26// perl bug #40256: perl does overwrite those with reentrant versions 34// perl bug #40256: perl does overwrite those with reentrant versions
27// but does not initialise their state structures. 35// but does not initialise their state structures.
28#undef random 36#undef random
29#undef crypt 37#undef crypt
30 38
31void cfperl_init (); 39void cfperl_init ();
32void cfperl_boot ();
33void cfperl_main (); 40void cfperl_main ();
34 41
35enum event_klass 42enum event_klass
36{ 43{
37 KLASS_NONE, 44 KLASS_NONE,
38 KLASS_GLOBAL, 45 KLASS_GLOBAL,
46 KLASS_CLIENT,
39 KLASS_PLAYER, 47 KLASS_PLAYER,
40 KLASS_OBJECT, 48 KLASS_OBJECT,
41 KLASS_MAP, 49 KLASS_MAP,
50 KLASS_COMMAND,
42}; 51};
43 52
44enum event_type 53enum event_type
45{ 54{
46# define def(klass,name) EVENT_ ## klass ## _ ## name, 55# define def(klass,name) EVENT_ ## klass ## _ ## name,
… …
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 61#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
53#define ARG_INT(v) DT_INT , static_cast<int> (v) 62#define ARG_INT(v) DT_INT , static_cast<int> (v)
54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 63#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 64#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 65#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 66#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) 67#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o)
59#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 68#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o)
60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 69#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o)
61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) 70#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o)
62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 71#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o)
63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 72#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o)
73#define ARG_CLIENT(o) DT_CLIENT, (void *)static_cast<client *> (o)
64 74
65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 75// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
66 76
67// all these return true when the normal event processing should be skipped (if any) 77// all these return true when the normal event processing should be skipped (if any)
68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) 78#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
69 79
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) 80#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 81#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 82#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
83#define INVOKE_CLIENT(event, ns, ...) INVOKE_(EVENT_ ## CLIENT ## _ ## event, ARG_CLIENT (ns), ## __VA_ARGS__)
73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 84#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 85#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
75 86
76//TODO should index into @result 87//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx) 88#define RESULT(idx,type) cfperl_result_ ## type (idx)
89#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
78#define RESULT_INT(idx) RESULT(idx, INT) 90#define RESULT_INT(idx) RESULT(idx, INT)
79 91
80bool cfperl_invoke (event_type event, ...); 92bool cfperl_invoke (event_type event, ...);
93double cfperl_result_DOUBLE (int idx);
81int cfperl_result_INT (int idx); 94int cfperl_result_INT (int idx);
82 95
83struct attachable_base 96struct attachable_base
84{ 97{
85 SV *self; 98 SV *self; // CF+ perl self
86 AV *cb; // CF+ perl self and callback 99 AV *cb; // CF+ callbacks
87 const char *attach; // generic extension attachment information 100 shstr attach; // generic extension attachment information
88 101
89 void clear (); // called when free'ing objects 102 void clear (); // called when free'ing objects
90 void optimise (); // possibly save some memory by destroying unneeded data 103 void optimise (); // possibly save some memory by destroying unneeded data
91 void instantiate (data_type type, void *obj); 104 void instantiate (data_type type, void *obj);
92 105
93 void attachable_init () 106 void attachable_clear ()
94 { 107 {
95 self = 0; 108 self = 0;
96 cb = 0; 109 cb = 0;
97 attach = 0; 110 attach = 0;
111 }
112
113 attachable_base ()
114 {
115 attachable_clear ();
116 }
117
118 ~attachable_base ()
119 {
120 clear ();
121 }
122
123 attachable_base (const attachable_base &src)
124 : self (0), cb (0), attach (src.attach)
125 {
126 }
127
128 attachable_base &operator =(const attachable_base &src)
129 {
130 clear ();
131 attach = src.attach;
132 return *this;
98 } 133 }
99}; 134};
100 135
101// objects attachable from perl (or any other extension) should include or 136// objects attachable from perl (or any other extension) should include or
102// derive using the curiously recurring template pattern, to avoid 137// derive using the curiously recurring template pattern, to avoid
… …
124 void put (attachable<subclass> *obj) 159 void put (attachable<subclass> *obj)
125 { 160 {
126 put ((attachable_base *)obj); 161 put ((attachable_base *)obj);
127 } 162 }
128 163
129 //TODO//temporary 164 // used only for user-defined key-value pairs
130 void put (const char *k, const char *v) 165 void put (const shstr &k, const shstr &v)
131 { 166 {
132 add (k); 167 add (k);
133 168
134 //if (v)
135 add (' '); //TODO//cf compatibility always add space
136 if (v) 169 if (v)
137 add (v); 170 add (' '), add (v);
138 171
139 add ('\n'); 172 add ('\n');
140 } 173 }
141 174
142 //TODO//temporary 175 //TODO//temporary, used only for saving body locations
143 void put (const char *k, int v) 176 void put (const char *k, int v)
144 { 177 {
145 add (k); 178 add (k);
146 add (' '); 179 add (' ');
147 add (sint32 (v)); 180 add (sint32 (v));
148 add ('\n'); 181 add ('\n');
149 } 182 }
150 183
184 template<typename T>
185 void put_string (keyword k, const T &v)
186 {
187 int klen = keyword_len [k];
188 int vlen = v ? strlen (v) + 1 : 0;
189
190 char *p = (char *)alloc (klen + vlen + 1);
191
192 memcpy (p, keyword_str [k], klen); p += klen;
193
194 if (v)
195 {
196 *p++ = ' '; vlen--;
197 memcpy (p, v, vlen); p += vlen;
198 }
199
200 *p = '\n';
201 }
202
151 void put (keyword k, const char *v) 203 void put (keyword k, const char *v)
152 { 204 {
153 int klen = keyword_len [k]; 205 put_string (k, v);
154 int vlen = v ? strlen (v) : 0; 206 }
155 207
156 char *p = (char *)alloc (klen + 1 + vlen + 1); 208 void put (keyword k, const shstr &v)
157 209 {
158 memcpy (p, keyword_str [k], klen); p += klen; 210 put_string (k, v);
159 *p++ = ' '; //TODO//cf compatibility always add space
160 memcpy (p, v, vlen); p += vlen;
161 *p = '\n';
162 } 211 }
163 212
164 void put (keyword k, double v) 213 void put (keyword k, double v)
165 { 214 {
166 char buf [128]; 215 char buf [128];
… …
184 add (' '); 233 add (' ');
185 add (v); 234 add (v);
186 add ('\n'); 235 add ('\n');
187 } 236 }
188 237
189 void put (keyword kbeg, keyword kend, const char *v) 238 void put (keyword kbeg, keyword kend, const shstr &v)
190 { 239 {
191 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 240 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
192 241
193 if (v) 242 if (v)
194 { 243 {
… …
210 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 259 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
211 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 260 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
212 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 261 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
213 262
214 template<typename T> 263 template<typename T>
215 void put (keyword k, T *v) 264 void put (keyword k, const T *v)
216 { 265 {
266 if (v)
267 put (k, v->name);
268 else
217 put (k, v ? (const char *)v->name : 0); 269 put (k, (const char *)0);
270 }
271
272 template<typename T>
273 void put (keyword k, const refptr<T> &v)
274 {
275 put (k, (T *)v);
218 } 276 }
219 277
220 bool save (const char *filename); 278 bool save (const char *filename);
279 char *as_string (); // like strdup
221 280
222 operator bool () { return !!av; } 281 operator bool () { return !!av; }
223}; 282};
224 283
225// compatibility support, should be removed when no longer needed 284// compatibility support, should be removed when no longer needed
226int fprintf (object_freezer &freezer, const char *format, ...); 285int fprintf (object_freezer &freezer, const char *format, ...);
227int fputs (const char *s, object_freezer &freezer); 286int fputs (const char *s, object_freezer &freezer);
228 287
229// a single key-value line from a file
230struct token {
231 keyword k;
232 const char *v;
233
234 token (keyword k, const char *v = 0) : k(k), v(v) { }
235};
236
237struct object_thawer 288struct object_thawer
238{ 289{
239 AV *av; 290 SV *text; // text part
240 FILE *fp; 291 AV *av; // perl part
241 char line[1024]; 292 char *line; // current beginning of line
293 char *last_value;
294
295 operator bool () { return !!text; }
242 296
243 object_thawer (const char *filename = 0); 297 object_thawer (const char *filename = 0);
298 object_thawer (const char *data, AV *perlav);
244 ~object_thawer (); 299 ~object_thawer ();
245 300
246 void get (data_type type, void *obj, attachable_base *ext, int oid); 301 void get (data_type type, void *obj, attachable_base *ext, int oid);
247 302
248 template<class subclass> 303 template<class subclass>
… …
250 { 305 {
251 if (av) 306 if (av)
252 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); 307 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
253 } 308 }
254 309
255 token get_token (); 310 keyword get_kv (); // also parse value for later use
256 311
257 operator FILE *() { return fp; } 312 const char *get_str () { return last_value; } // may be 0
313
314 void get (shstr &sh) const;
315 void get_ornull (shstr &sh) const { sh = last_value; }
316 void get_ml (keyword kend, shstr &sh);
317
318 sint32 get_sint32 () const;
319 sint64 get_sint64 () const;
320 double get_double () const;
321
322 void get (float &v) { v = get_double (); }
323 void get (double &v) { v = get_double (); }
324
325 void get (sint8 &i) { i = get_sint32 (); }
326 void get (uint8 &i) { i = get_sint32 (); }
327 void get (sint16 &i) { i = get_sint32 (); }
328 void get (uint16 &i) { i = get_sint32 (); }
329 void get (sint32 &i) { i = get_sint32 (); }
330
331 void get (uint32 &i) { i = get_sint64 (); }
332 void get (sint64 &i) { i = get_sint64 (); }
333};
334
335char *fgets (char *s, int n, object_thawer &thawer);
336
337struct watcher_base
338{
339 static struct EventAPI *GEventAPI;
340};
341
342template<class base>
343struct watcher : watcher_base
344{
345 base *pe;
346
347 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
348 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
349 void now () { GEventAPI->now ((pe_watcher *)pe); }
350 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
351 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
352
353 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
354
355 ~watcher ()
356 {
357 cancel ();
358 }
359
360private:
361 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
362};
363
364struct iw : watcher<pe_idle>, callback<void (iw &)>
365{
366 template<class O, class M>
367 iw (O object, M method)
368 : callback<void (iw &)> (object, method)
369 {
370 alloc ();
371 }
372
373private:
374 void alloc ();
375};
376
377struct iow : watcher<pe_io>, callback<void (iow &, int)>
378{
379 template<class O, class M>
380 iow (O object, M method)
381 : callback<void (iow &, int)> (object, method)
382 {
383 alloc ();
384 }
385
386 void fd (int fd);
387 int poll ();
388 void poll (int events);
389
390private:
391 void alloc ();
258}; 392};
259 393
260#endif 394#endif
261 395

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