server/include/cfperl.h

//
// cfperl.h perl interface
//
#ifndef CFPERL_H__
#define CFPERL_H__

#include <cstdio>

using namespace std;

#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>

#include <EventAPI.h>
#include <CoroAPI.h>

#include "util.h"
#include "keyword.h"
#include "dynbuf.h"
#include "callback.h"

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
#undef localtime
#undef srand48
#undef drand48
#undef srandom
#undef readdir
#undef getprotobyname
#undef gethostbyname
#undef ctime
#undef strerror

// same here, massive symbol spamming
#undef do_open
#undef do_close
#undef ref

// perl bug #40256: perl does overwrite those with reentrant versions
// but does not initialise their state structures.
#undef random
#undef crypt

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// some macros to simplify perl in-calls

#define CHECK_ERROR                     \
  if (SvTRUE (ERRSV))                   \
    LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));

#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
#define CALL_END CHECK_ERROR; FREETMPS; LEAVE

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

void cfperl_init ();
void cfperl_main ();

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// virtual server time, excluding time jumps and lag
extern double runtime;

enum event_klass
{
  KLASS_NONE,
  KLASS_GLOBAL,
  KLASS_ATTACHABLE,
  KLASS_CLIENT,
  KLASS_PLAYER,
  KLASS_OBJECT,
  KLASS_MAP,
  KLASS_COMMAND,
};

enum event_type
{
# define def(klass,name) EVENT_ ## klass ## _ ## name,
#  include "eventinc.h"
# undef def
  NUM_EVENT_TYPES
};

#define ARG_AV(o)         DT_AV    , static_cast<AV *>   (o)
#define ARG_INT(v)        DT_INT   , static_cast<int>    (v)
#define ARG_INT64(v)      DT_INT64 , static_cast<sint64> (v)
#define ARG_DOUBLE(v)     DT_DOUBLE, static_cast<double> (v)
#define ARG_STRING(v)     DT_STRING, static_cast<const char *> (v)
#define ARG_DATA(s,l)     DT_DATA  , static_cast<const void *> (s), int (l)
#define ARG_OBJECT(o)     DT_OBJECT, (void *)(static_cast<object *>    (o))
#define ARG_MAP(o)        DT_MAP   , (void *)(static_cast<maptile *>   (o))
#define ARG_PLAYER(o)     DT_PLAYER, (void *)(static_cast<player *>    (o))
#define ARG_ARCH(o)       DT_ARCH  , (void *)(static_cast<archetype *> (o))
#define ARG_CLIENT(o)     DT_CLIENT, (void *)(static_cast<client *>    (o))
#define ARG_PARTY(o)      DT_PARTY , (void *)(static_cast<party *>     (o))
#define ARG_REGION(o)     DT_REGION, (void *)(static_cast<region *>    (o))

// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension

// all these return true when the normal event processing should be skipped (if any)
#define INVOKE_GLOBAL(event, ...)          gbl_ev.invoke (EVENT_ ## GLOBAL     ## _ ## event, ## __VA_ARGS__, DT_END)
#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
#define INVOKE_OBJECT(event, obj, ...)     (obj)->invoke (EVENT_ ## OBJECT     ## _ ## event, ## __VA_ARGS__, DT_END)
#define INVOKE_CLIENT(event, obj, ...)     (obj)->invoke (EVENT_ ## CLIENT     ## _ ## event, ## __VA_ARGS__, DT_END)
#define INVOKE_PLAYER(event, obj, ...)     (obj)->invoke (EVENT_ ## PLAYER     ## _ ## event, ## __VA_ARGS__, DT_END)
#define INVOKE_MAP(event, obj, ...)        (obj)->invoke (EVENT_ ## MAP        ## _ ## event, ## __VA_ARGS__, DT_END)

//TODO should index into @result
#define RESULT(idx,type) cfperl_result_ ## type (idx)
#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
#define RESULT_INT(idx)    RESULT(idx, INT)

double cfperl_result_DOUBLE (int idx);
int cfperl_result_INT (int idx);

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

struct attachable
{
  static MGVTBL vtbl;

  static unordered_vector<attachable *> mortals;
  static void check_mortals ();

  enum {
    F_DESTROYED = 0x01,
    F_BORROWED  = 0x02,
  };

  // object is delete'd after the refcount reaches 0
  mutable int refcnt;
  int flags;

  void refcnt_inc () const { ++refcnt; }
  void refcnt_dec () const { --refcnt; }

  // check wether the object has died and destroy
  void refcnt_chk () { if (refcnt <= 0) do_check (); }

  // destroy the object unless it was already destroyed
  // this politely asks everybody interested the reduce
  // the refcount to 0 as soon as possible.
  void destroy ();

  // return wether an object was destroyed already
  bool destroyed () const { return flags & F_DESTROYED; }

  virtual void gather_callbacks (AV *&callbacks, event_type event) const;

#if 0
private:
  static refcounted *rc_first;
  refcounted *rc_next;
#endif

  HV *self;     // CF+ perl self
  AV *cb;       // CF+ callbacks
  shstr attach; // generic extension attachment information

  void optimise ();  // possibly save some memory by destroying unneeded data

  attachable ()
  : flags (0), refcnt (0), self (0), cb (0), attach (0)
  {
  }

  attachable (const attachable &src)
  : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
  {
  }

  virtual ~attachable ();

  attachable &operator =(const attachable &src);

  bool invoke (event_type event, ...);
  void instantiate ();
  void reattach ();

protected:
  // do the real refcount checking work
  void do_check ();

  // the method that does the real destroy work
  virtual void do_destroy ();
};

// the global object is a pseudo object that cares for the global events
struct global : attachable
{
  void gather_callbacks (AV *&callbacks, event_type event) const;
};

extern struct global gbl_ev;

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

struct object_freezer : dynbuf
{
  AV *av;

  object_freezer ();
  ~object_freezer ();

  void put (attachable *ext);

  // used only for user-defined key-value pairs
  void put (const shstr &k, const shstr &v)
  {
    add (k);

    if (v)
      add (' '), add (v);

    add ('\n');
  }

  //TODO//temporary, used only for saving body locations
  void put (const char *k, int v)
  {
    add (k);
    add (' ');
    add (sint32 (v));
    add ('\n');
  }

  template<typename T>
  void put_string (keyword k, const T &v)
  {
    int klen = keyword_len [k];
    int vlen = v ? strlen (v) + 1 : 0;

    char *p = (char *)alloc (klen + vlen + 1);

    memcpy (p, keyword_str [k], klen); p += klen;

    if (v)
      {
        *p++ = ' ';  vlen--;
        memcpy (p, v, vlen); p += vlen;
      }

    *p = '\n';
  }

  void put (keyword k, const char *v)
  {
    put_string (k, v);
  }

  void put (keyword k, const shstr &v)
  {
    put_string (k, v);
  }

  void put (keyword k, double v)
  {
    char buf [128];

    snprintf (buf, 128, "%.7g", v);

    put (k, (const char *)buf);
  }

  void put_(keyword k, sint64 v)
  {
    add (keyword_str [k], keyword_len [k]);
    add (' ');
    add (v);
    add ('\n');
  }

  void put_(keyword k, sint32 v)
  {
    add (keyword_str [k], keyword_len [k]);
    add (' ');
    add (v);
    add ('\n');
  }

  void put (keyword kbeg, keyword kend, const shstr &v)
  {
    add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');

    if (v)
      {
        add (v);
        add ('\n');
      }

    add (keyword_str [kend], keyword_len [kend]); add ('\n');
  }

  void put (keyword k,          float     v) { put (k, (double)v); }
  void put (keyword k,   signed char      v) { put_(k, (sint32)v); }
  void put (keyword k, unsigned char      v) { put_(k, (sint32)v); }
  void put (keyword k,   signed short     v) { put_(k, (sint32)v); }
  void put (keyword k, unsigned short     v) { put_(k, (sint32)v); }
  void put (keyword k,   signed int       v) { put_(k, (sint32)v); }
  void put (keyword k, unsigned int       v) { put_(k, (sint64)v); }
  void put (keyword k,   signed long      v) { put_(k, (sint64)v); }
  void put (keyword k, unsigned long      v) { put_(k, (sint64)v); }
  void put (keyword k,   signed long long v) { put_(k, (sint64)v); }
  void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }

  template<typename T>
  void put (keyword k, const T *v)
  {
    if (v)
      put (k, v->name);
    else
      put (k, (const char *)0);
  }

  template<typename T>
  void put (keyword k, const refptr<T> &v)
  {
    put (k, (T *)v);
  }

  bool save (const char *filename);
  char *as_string (); // like strdup

  operator bool () { return !!av; }
};

// compatibility support, should be removed when no longer needed
int fprintf (object_freezer &freezer, const char *format, ...);
int fputs (const char *s, object_freezer &freezer);

struct object_thawer
{
  SV *text; // text part
  AV *av;   // perl part
  char *line; // current beginning of line
  char *last_keyword, *last_value;

  operator bool () { return !!text; }

  object_thawer (const char *filename = 0);
  object_thawer (const char *data, AV *perlav);
  ~object_thawer ();

  void get (attachable *obj, int oid);

  keyword get_kv (); // also parse value for later use
  void skip_kv (keyword kw);

  const char *get_str () { return last_value; } // may be 0

  void get (shstr &sh) const;
  void get_ornull (shstr &sh) const { sh = last_value; }
  void get_ml (keyword kend, shstr &sh);

  sint32 get_sint32 () const;
  sint64 get_sint64 () const;
  double get_double () const;

  void get (float  &v) { v = get_double (); }
  void get (double &v) { v = get_double (); }

  void get (bool   &i) { i = get_sint32 (); }
  void get (sint8  &i) { i = get_sint32 (); }
  void get (uint8  &i) { i = get_sint32 (); }
  void get (sint16 &i) { i = get_sint32 (); }
  void get (uint16 &i) { i = get_sint32 (); }
  void get (sint32 &i) { i = get_sint32 (); }

  void get (uint32 &i) { i = get_sint64 (); }
  void get (sint64 &i) { i = get_sint64 (); }
};

char *fgets (char *s, int n, object_thawer &thawer);

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

struct coroapi {
  static struct CoroAPI *GCoroAPI;

  static int nready () { return CORO_NREADY; }
  static int cede   () { return CORO_CEDE  ; }
};

struct watcher_base
{
  static struct EventAPI *GEventAPI;
};

template<class base>
struct watcher : watcher_base
{
  base *pe;

  void start   (bool repeat = false)        { GEventAPI->start   ((pe_watcher *)pe, repeat); }
  void stop    (bool cancel_events = false) { GEventAPI->stop    ((pe_watcher *)pe, cancel_events); }
  void now     ()                           { GEventAPI->now     ((pe_watcher *)pe); }
  void suspend ()                           { GEventAPI->suspend ((pe_watcher *)pe); }
  void resume  ()                           { GEventAPI->resume  ((pe_watcher *)pe); }

  void prio    (int new_prio)               { ((pe_watcher *)pe)->prio = new_prio; }

  ~watcher ()
  {
    cancel ();
  }

private:
  void cancel  ()                           { GEventAPI->cancel  ((pe_watcher *)pe); } // private
};

struct iw : watcher<pe_idle>, callback<void (iw &)>
{
  template<class O, class M>
  iw (O object, M method)
  : callback<void (iw &)> (object, method)
  {
    alloc ();
  }

private:
  void alloc ();
};

struct iow : watcher<pe_io>, callback<void (iow &, int)>
{
  template<class O, class M>
  iow (O object, M method)
  : callback<void (iow &, int)> (object, method)
  {
    alloc ();
  }

  void fd (int fd);
  int poll ();
  void poll (int events);

private:
  void alloc ();
};

#endif

Revision:	1.43
Committed:	Sat Dec 30 15:07:59 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.42:	+0 -1 lines
Log Message:	minor fixes, apartment hopping seems to work now
#	User	Rev	Content
1	root	1.1	//
2			// cfperl.h perl interface
3			//
4	root	1.2	#ifndef CFPERL_H__
5			#define CFPERL_H__
6
7	root	1.16	#include <cstdio>
8
9			using namespace std;
10
11			#include <EXTERN.h>
12			#include <perl.h>
13	root	1.20	#include <XSUB.h>
14	root	1.16
15	root	1.36	#include <EventAPI.h>
16	root	1.42	#include <CoroAPI.h>
17	root	1.36
18	root	1.42	#include "util.h"
19			#include "keyword.h"
20			#include "dynbuf.h"
21	root	1.36	#include "callback.h"
22
23	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
24
25	root	1.16	// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
26			#undef localtime
27			#undef srand48
28			#undef drand48
29			#undef srandom
30			#undef readdir
31			#undef getprotobyname
32			#undef gethostbyname
33			#undef ctime
34			#undef strerror
35
36	root	1.39	// same here, massive symbol spamming
37			#undef do_open
38			#undef do_close
39	root	1.42	#undef ref
40	root	1.39
41	root	1.16	// perl bug #40256: perl does overwrite those with reentrant versions
42			// but does not initialise their state structures.
43			#undef random
44			#undef crypt
45
46	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
47
48			// some macros to simplify perl in-calls
49
50			#define CHECK_ERROR \
51			if (SvTRUE (ERRSV)) \
52			LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
53
54			#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
55			#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
56			#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
57			#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) \| G_EVAL); SPAGAIN;
58			#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
59
60			//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
61
62	root	1.7	void cfperl_init ();
63			void cfperl_main ();
64
65	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
66
67			// virtual server time, excluding time jumps and lag
68			extern double runtime;
69
70	root	1.6	enum event_klass
71			{
72	root	1.11	KLASS_NONE,
73	root	1.3	KLASS_GLOBAL,
74	root	1.41	KLASS_ATTACHABLE,
75	root	1.40	KLASS_CLIENT,
76	root	1.3	KLASS_PLAYER,
77			KLASS_OBJECT,
78			KLASS_MAP,
79	root	1.33	KLASS_COMMAND,
80	root	1.3	};
81
82	root	1.6	enum event_type
83			{
84	root	1.7	# define def(klass,name) EVENT_ ## klass ## _ ## name,
85	root	1.2	# include "eventinc.h"
86			# undef def
87	root	1.4	NUM_EVENT_TYPES
88	root	1.2	};
89
90	root	1.41	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
91			#define ARG_INT(v) DT_INT , static_cast<int> (v)
92			#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
93			#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
94			#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
95			#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
96			#define ARG_OBJECT(o) DT_OBJECT, (void )(static_cast<object > (o))
97			#define ARG_MAP(o) DT_MAP , (void )(static_cast<maptile > (o))
98			#define ARG_PLAYER(o) DT_PLAYER, (void )(static_cast<player > (o))
99			#define ARG_ARCH(o) DT_ARCH , (void )(static_cast<archetype > (o))
100			#define ARG_CLIENT(o) DT_CLIENT, (void )(static_cast<client > (o))
101			#define ARG_PARTY(o) DT_PARTY , (void )(static_cast<party > (o))
102			#define ARG_REGION(o) DT_REGION, (void )(static_cast<region > (o))
103	root	1.3
104			// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
105	root	1.2
106	root	1.4	// all these return true when the normal event processing should be skipped (if any)
107	root	1.41	#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
108			#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
109			#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
110			#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
111			#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
112			#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
113	root	1.3
114	root	1.7	//TODO should index into @result
115			#define RESULT(idx,type) cfperl_result_ ## type (idx)
116	root	1.33	#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
117			#define RESULT_INT(idx) RESULT(idx, INT)
118	root	1.7
119	root	1.34	double cfperl_result_DOUBLE (int idx);
120			int cfperl_result_INT (int idx);
121	root	1.7
122	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
123
124	root	1.41	struct attachable
125	root	1.6	{
126	root	1.42	static MGVTBL vtbl;
127
128	root	1.41	static unordered_vector<attachable *> mortals;
129			static void check_mortals ();
130
131			enum {
132			F_DESTROYED = 0x01,
133			F_BORROWED = 0x02,
134			};
135
136			// object is delete'd after the refcount reaches 0
137			mutable int refcnt;
138			int flags;
139
140			void refcnt_inc () const { ++refcnt; }
141			void refcnt_dec () const { --refcnt; }
142
143			// check wether the object has died and destroy
144			void refcnt_chk () { if (refcnt <= 0) do_check (); }
145
146			// destroy the object unless it was already destroyed
147			// this politely asks everybody interested the reduce
148			// the refcount to 0 as soon as possible.
149			void destroy ();
150
151			// return wether an object was destroyed already
152			bool destroyed () const { return flags & F_DESTROYED; }
153
154			virtual void gather_callbacks (AV *&callbacks, event_type event) const;
155
156			#if 0
157			private:
158			static refcounted *rc_first;
159			refcounted *rc_next;
160			#endif
161
162			HV *self; // CF+ perl self
163	root	1.35	AV *cb; // CF+ callbacks
164	root	1.21	shstr attach; // generic extension attachment information
165	root	1.6
166	root	1.13	void optimise (); // possibly save some memory by destroying unneeded data
167	root	1.8
168	root	1.41	attachable ()
169			: flags (0), refcnt (0), self (0), cb (0), attach (0)
170	root	1.8	{
171			}
172	root	1.22
173	root	1.41	attachable (const attachable &src)
174			: flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
175	root	1.22	{
176			}
177
178	root	1.41	virtual ~attachable ();
179
180			attachable &operator =(const attachable &src);
181
182			bool invoke (event_type event, ...);
183			void instantiate ();
184			void reattach ();
185	root	1.24
186	root	1.41	protected:
187			// do the real refcount checking work
188			void do_check ();
189	root	1.25
190	root	1.41	// the method that does the real destroy work
191			virtual void do_destroy ();
192	root	1.6	};
193
194	root	1.41	// the global object is a pseudo object that cares for the global events
195			struct global : attachable
196	root	1.6	{
197	root	1.41	void gather_callbacks (AV *&callbacks, event_type event) const;
198	root	1.6	};
199
200	root	1.41	extern struct global gbl_ev;
201
202	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
203
204	root	1.19	struct object_freezer : dynbuf
205	root	1.7	{
206	root	1.17	AV *av;
207	root	1.12
208	root	1.17	object_freezer ();
209	root	1.8	~object_freezer ();
210
211	root	1.41	void put (attachable *ext);
212	root	1.15
213	root	1.29	// used only for user-defined key-value pairs
214			void put (const shstr &k, const shstr &v)
215	root	1.20	{
216			add (k);
217
218			if (v)
219	root	1.22	add (' '), add (v);
220	root	1.20
221			add ('\n');
222			}
223
224	root	1.29	//TODO//temporary, used only for saving body locations
225	root	1.20	void put (const char *k, int v)
226			{
227			add (k);
228			add (' ');
229			add (sint32 (v));
230			add ('\n');
231			}
232	root	1.19
233	root	1.29	template<typename T>
234			void put_string (keyword k, const T &v)
235	root	1.20	{
236			int klen = keyword_len [k];
237	root	1.22	int vlen = v ? strlen (v) + 1 : 0;
238
239			char p = (char )alloc (klen + vlen + 1);
240
241			memcpy (p, keyword_str [k], klen); p += klen;
242
243			if (v)
244			{
245	root	1.29	*p++ = ' '; vlen--;
246	root	1.22	memcpy (p, v, vlen); p += vlen;
247			}
248
249			*p = '\n';
250			}
251
252	root	1.29	void put (keyword k, const char *v)
253			{
254			put_string (k, v);
255			}
256
257	root	1.22	void put (keyword k, const shstr &v)
258			{
259	root	1.29	put_string (k, v);
260	root	1.20	}
261	root	1.19
262	root	1.20	void put (keyword k, double v)
263			{
264			char buf [128];
265
266			snprintf (buf, 128, "%.7g", v);
267
268			put (k, (const char *)buf);
269			}
270
271			void put_(keyword k, sint64 v)
272			{
273			add (keyword_str [k], keyword_len [k]);
274			add (' ');
275			add (v);
276			add ('\n');
277			}
278
279			void put_(keyword k, sint32 v)
280			{
281			add (keyword_str [k], keyword_len [k]);
282			add (' ');
283			add (v);
284			add ('\n');
285			}
286
287	root	1.23	void put (keyword kbeg, keyword kend, const shstr &v)
288	root	1.20	{
289			add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
290
291			if (v)
292			{
293			add (v);
294			add ('\n');
295			}
296
297			add (keyword_str [kend], keyword_len [kend]); add ('\n');
298			}
299
300			void put (keyword k, float v) { put (k, (double)v); }
301	root	1.19	void put (keyword k, signed char v) { put_(k, (sint32)v); }
302			void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
303			void put (keyword k, signed short v) { put_(k, (sint32)v); }
304			void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
305			void put (keyword k, signed int v) { put_(k, (sint32)v); }
306			void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
307			void put (keyword k, signed long v) { put_(k, (sint64)v); }
308			void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
309			void put (keyword k, signed long long v) { put_(k, (sint64)v); }
310			void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
311
312			template<typename T>
313	root	1.32	void put (keyword k, const T *v)
314	root	1.18	{
315	root	1.23	if (v)
316			put (k, v->name);
317			else
318			put (k, (const char *)0);
319	root	1.18	}
320
321	root	1.32	template<typename T>
322			void put (keyword k, const refptr<T> &v)
323			{
324			put (k, (T *)v);
325			}
326
327	root	1.17	bool save (const char *filename);
328	root	1.31	char *as_string (); // like strdup
329	root	1.17
330	root	1.16	operator bool () { return !!av; }
331	root	1.7	};
332
333	root	1.17	// compatibility support, should be removed when no longer needed
334			int fprintf (object_freezer &freezer, const char *format, ...);
335			int fputs (const char *s, object_freezer &freezer);
336
337			struct object_thawer
338	root	1.7	{
339	root	1.21	SV *text; // text part
340			AV *av; // perl part
341			char *line; // current beginning of line
342	root	1.42	char last_keyword, last_value;
343	root	1.21
344			operator bool () { return !!text; }
345	root	1.16
346	root	1.14	object_thawer (const char *filename = 0);
347	root	1.30	object_thawer (const char data, AV perlav);
348	root	1.8	~object_thawer ();
349
350	root	1.41	void get (attachable *obj, int oid);
351	root	1.15
352	root	1.21	keyword get_kv (); // also parse value for later use
353	root	1.42	void skip_kv (keyword kw);
354	root	1.21
355			const char *get_str () { return last_value; } // may be 0
356	root	1.17
357	root	1.21	void get (shstr &sh) const;
358			void get_ornull (shstr &sh) const { sh = last_value; }
359			void get_ml (keyword kend, shstr &sh);
360
361			sint32 get_sint32 () const;
362			sint64 get_sint64 () const;
363			double get_double () const;
364
365	root	1.42	void get (float &v) { v = get_double (); }
366	root	1.21	void get (double &v) { v = get_double (); }
367
368	root	1.42	void get (bool &i) { i = get_sint32 (); }
369	root	1.21	void get (sint8 &i) { i = get_sint32 (); }
370			void get (uint8 &i) { i = get_sint32 (); }
371			void get (sint16 &i) { i = get_sint32 (); }
372			void get (uint16 &i) { i = get_sint32 (); }
373			void get (sint32 &i) { i = get_sint32 (); }
374
375			void get (uint32 &i) { i = get_sint64 (); }
376			void get (sint64 &i) { i = get_sint64 (); }
377	root	1.7	};
378	root	1.2
379	root	1.21	char fgets (char s, int n, object_thawer &thawer);
380
381	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382
383			struct coroapi {
384			static struct CoroAPI *GCoroAPI;
385
386			static int nready () { return CORO_NREADY; }
387			static int cede () { return CORO_CEDE ; }
388			};
389
390	root	1.36	struct watcher_base
391			{
392			static struct EventAPI *GEventAPI;
393			};
394
395			template<class base>
396			struct watcher : watcher_base
397			{
398			base *pe;
399
400			void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
401			void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
402			void now () { GEventAPI->now ((pe_watcher *)pe); }
403			void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
404			void resume () { GEventAPI->resume ((pe_watcher *)pe); }
405
406			void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
407
408			~watcher ()
409			{
410			cancel ();
411			}
412
413			private:
414			void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
415			};
416
417	root	1.38	struct iw : watcher<pe_idle>, callback<void (iw &)>
418			{
419			template<class O, class M>
420			iw (O object, M method)
421			: callback<void (iw &)> (object, method)
422			{
423			alloc ();
424			}
425
426			private:
427			void alloc ();
428			};
429
430	root	1.36	struct iow : watcher<pe_io>, callback<void (iow &, int)>
431			{
432			template<class O, class M>
433			iow (O object, M method)
434			: callback<void (iow &, int)> (object, method)
435			{
436			alloc ();
437			}
438
439	root	1.38	void fd (int fd);
440	root	1.36	int poll ();
441	root	1.38	void poll (int events);
442	root	1.36
443			private:
444			void alloc ();
445			};
446
447	root	1.2	#endif
448	root	1.3