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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 1.38 by root, Sat Dec 16 03:08:26 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
27// but does not initialise their state structures. 31// but does not initialise their state structures.
28#undef random 32#undef random
29#undef crypt 33#undef crypt
30 34
31void cfperl_init (); 35void cfperl_init ();
32void cfperl_boot ();
33void cfperl_main (); 36void cfperl_main ();
34 37
35enum event_klass 38enum event_klass
36{ 39{
37 KLASS_NONE, 40 KLASS_NONE,
38 KLASS_GLOBAL, 41 KLASS_GLOBAL,
42 KLASS_SOCKET,
39 KLASS_PLAYER, 43 KLASS_PLAYER,
40 KLASS_OBJECT, 44 KLASS_OBJECT,
41 KLASS_MAP, 45 KLASS_MAP,
46 KLASS_COMMAND,
42}; 47};
43 48
44enum event_type 49enum event_type
45{ 50{
46# define def(klass,name) EVENT_ ## klass ## _ ## name, 51# define def(klass,name) EVENT_ ## klass ## _ ## name,
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 57#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
53#define ARG_INT(v) DT_INT , static_cast<int> (v) 58#define ARG_INT(v) DT_INT , static_cast<int> (v)
54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 59#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 60#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 61#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) 62#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) 63#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o)
59#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 64#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o)
60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 65#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o)
61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) 66#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o)
62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 67#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o)
63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 68#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o)
69#define ARG_SOCKET(o) DT_SOCKET, (void *)static_cast<client *> (o)
64 70
65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 71// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
66 72
67// all these return true when the normal event processing should be skipped (if any) 73// 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) 74#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
69 75
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) 76#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 77#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__) 78#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
79#define INVOKE_SOCKET(event, ns, ...) INVOKE_(EVENT_ ## SOCKET ## _ ## event, ARG_SOCKET (ns), ## __VA_ARGS__)
73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 80#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__) 81#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
75 82
76//TODO should index into @result 83//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx) 84#define RESULT(idx,type) cfperl_result_ ## type (idx)
85#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
78#define RESULT_INT(idx) RESULT(idx, INT) 86#define RESULT_INT(idx) RESULT(idx, INT)
79 87
80bool cfperl_invoke (event_type event, ...); 88bool cfperl_invoke (event_type event, ...);
89double cfperl_result_DOUBLE (int idx);
81int cfperl_result_INT (int idx); 90int cfperl_result_INT (int idx);
82 91
83struct attachable_base 92struct attachable_base
84{ 93{
85 SV *self; 94 SV *self; // CF+ perl self
86 AV *cb; // CF+ perl self and callback 95 AV *cb; // CF+ callbacks
87 const char *attach; // generic extension attachment information 96 shstr attach; // generic extension attachment information
88 97
89 void clear (); // called when free'ing objects 98 void clear (); // called when free'ing objects
90 void optimise (); // possibly save some memory by destroying unneeded data 99 void optimise (); // possibly save some memory by destroying unneeded data
91 void instantiate (data_type type, void *obj); 100 void instantiate (data_type type, void *obj);
92 101
93 void attachable_init () 102 void attachable_clear ()
94 { 103 {
95 self = 0; 104 self = 0;
96 cb = 0; 105 cb = 0;
97 attach = 0; 106 attach = 0;
107 }
108
109 attachable_base ()
110 {
111 attachable_clear ();
112 }
113
114 ~attachable_base ()
115 {
116 clear ();
117 }
118
119 attachable_base (const attachable_base &src)
120 : self (0), cb (0), attach (src.attach)
121 {
122 }
123
124 attachable_base &operator =(const attachable_base &src)
125 {
126 clear ();
127 attach = src.attach;
128 return *this;
98 } 129 }
99}; 130};
100 131
101// objects attachable from perl (or any other extension) should include or 132// objects attachable from perl (or any other extension) should include or
102// derive using the curiously recurring template pattern, to avoid 133// derive using the curiously recurring template pattern, to avoid
124 void put (attachable<subclass> *obj) 155 void put (attachable<subclass> *obj)
125 { 156 {
126 put ((attachable_base *)obj); 157 put ((attachable_base *)obj);
127 } 158 }
128 159
129 //TODO//temporary 160 // used only for user-defined key-value pairs
130 void put (const char *k, const char *v) 161 void put (const shstr &k, const shstr &v)
131 { 162 {
132 add (k); 163 add (k);
133 164
134 //if (v)
135 add (' '); //TODO//cf compatibility always add space
136 if (v) 165 if (v)
137 add (v); 166 add (' '), add (v);
138 167
139 add ('\n'); 168 add ('\n');
140 } 169 }
141 170
142 //TODO//temporary 171 //TODO//temporary, used only for saving body locations
143 void put (const char *k, int v) 172 void put (const char *k, int v)
144 { 173 {
145 add (k); 174 add (k);
146 add (' '); 175 add (' ');
147 add (sint32 (v)); 176 add (sint32 (v));
148 add ('\n'); 177 add ('\n');
149 } 178 }
150 179
180 template<typename T>
181 void put_string (keyword k, const T &v)
182 {
183 int klen = keyword_len [k];
184 int vlen = v ? strlen (v) + 1 : 0;
185
186 char *p = (char *)alloc (klen + vlen + 1);
187
188 memcpy (p, keyword_str [k], klen); p += klen;
189
190 if (v)
191 {
192 *p++ = ' '; vlen--;
193 memcpy (p, v, vlen); p += vlen;
194 }
195
196 *p = '\n';
197 }
198
151 void put (keyword k, const char *v) 199 void put (keyword k, const char *v)
152 { 200 {
153 int klen = keyword_len [k]; 201 put_string (k, v);
154 int vlen = v ? strlen (v) : 0; 202 }
155 203
156 char *p = (char *)alloc (klen + 1 + vlen + 1); 204 void put (keyword k, const shstr &v)
157 205 {
158 memcpy (p, keyword_str [k], klen); p += klen; 206 put_string (k, v);
159 *p++ = ' '; //TODO//cf compatibility always add space
160 memcpy (p, v, vlen); p += vlen;
161 *p = '\n';
162 } 207 }
163 208
164 void put (keyword k, double v) 209 void put (keyword k, double v)
165 { 210 {
166 char buf [128]; 211 char buf [128];
184 add (' '); 229 add (' ');
185 add (v); 230 add (v);
186 add ('\n'); 231 add ('\n');
187 } 232 }
188 233
189 void put (keyword kbeg, keyword kend, const char *v) 234 void put (keyword kbeg, keyword kend, const shstr &v)
190 { 235 {
191 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); 236 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
192 237
193 if (v) 238 if (v)
194 { 239 {
210 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 255 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
211 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 256 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); } 257 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
213 258
214 template<typename T> 259 template<typename T>
215 void put (keyword k, T *v) 260 void put (keyword k, const T *v)
216 { 261 {
262 if (v)
263 put (k, v->name);
264 else
217 put (k, v ? (const char *)v->name : 0); 265 put (k, (const char *)0);
266 }
267
268 template<typename T>
269 void put (keyword k, const refptr<T> &v)
270 {
271 put (k, (T *)v);
218 } 272 }
219 273
220 bool save (const char *filename); 274 bool save (const char *filename);
275 char *as_string (); // like strdup
221 276
222 operator bool () { return !!av; } 277 operator bool () { return !!av; }
223}; 278};
224 279
225// compatibility support, should be removed when no longer needed 280// compatibility support, should be removed when no longer needed
226int fprintf (object_freezer &freezer, const char *format, ...); 281int fprintf (object_freezer &freezer, const char *format, ...);
227int fputs (const char *s, object_freezer &freezer); 282int fputs (const char *s, object_freezer &freezer);
228 283
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 284struct object_thawer
238{ 285{
239 AV *av; 286 SV *text; // text part
240 FILE *fp; 287 AV *av; // perl part
241 char line[1024]; 288 char *line; // current beginning of line
289 char *last_value;
290
291 operator bool () { return !!text; }
242 292
243 object_thawer (const char *filename = 0); 293 object_thawer (const char *filename = 0);
294 object_thawer (const char *data, AV *perlav);
244 ~object_thawer (); 295 ~object_thawer ();
245 296
246 void get (data_type type, void *obj, attachable_base *ext, int oid); 297 void get (data_type type, void *obj, attachable_base *ext, int oid);
247 298
248 template<class subclass> 299 template<class subclass>
250 { 301 {
251 if (av) 302 if (av)
252 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); 303 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
253 } 304 }
254 305
255 token get_token (); 306 keyword get_kv (); // also parse value for later use
256 307
257 operator FILE *() { return fp; } 308 const char *get_str () { return last_value; } // may be 0
309
310 void get (shstr &sh) const;
311 void get_ornull (shstr &sh) const { sh = last_value; }
312 void get_ml (keyword kend, shstr &sh);
313
314 sint32 get_sint32 () const;
315 sint64 get_sint64 () const;
316 double get_double () const;
317
318 void get (float &v) { v = get_double (); }
319 void get (double &v) { v = get_double (); }
320
321 void get (sint8 &i) { i = get_sint32 (); }
322 void get (uint8 &i) { i = get_sint32 (); }
323 void get (sint16 &i) { i = get_sint32 (); }
324 void get (uint16 &i) { i = get_sint32 (); }
325 void get (sint32 &i) { i = get_sint32 (); }
326
327 void get (uint32 &i) { i = get_sint64 (); }
328 void get (sint64 &i) { i = get_sint64 (); }
329};
330
331char *fgets (char *s, int n, object_thawer &thawer);
332
333struct watcher_base
334{
335 static struct EventAPI *GEventAPI;
336};
337
338template<class base>
339struct watcher : watcher_base
340{
341 base *pe;
342
343 void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
344 void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
345 void now () { GEventAPI->now ((pe_watcher *)pe); }
346 void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
347 void resume () { GEventAPI->resume ((pe_watcher *)pe); }
348
349 void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
350
351 ~watcher ()
352 {
353 cancel ();
354 }
355
356private:
357 void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
358};
359
360struct iw : watcher<pe_idle>, callback<void (iw &)>
361{
362 template<class O, class M>
363 iw (O object, M method)
364 : callback<void (iw &)> (object, method)
365 {
366 alloc ();
367 }
368
369private:
370 void alloc ();
371};
372
373struct iow : watcher<pe_io>, callback<void (iow &, int)>
374{
375 template<class O, class M>
376 iow (O object, M method)
377 : callback<void (iow &, int)> (object, method)
378 {
379 alloc ();
380 }
381
382 void fd (int fd);
383 int poll ();
384 void poll (int events);
385
386private:
387 void alloc ();
258}; 388};
259 389
260#endif 390#endif
261 391

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