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
#undef seed

// 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);

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

INTERFACE_CLASS (attachable)
struct attachable
{
  static MGVTBL vtbl;

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

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

  // object is delete'd after the refcount reaches 0
  mutable int ACC (RW, refcnt);
  int ACC (RW, flags);

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

  // check wether the object has died and destroy
  MTH 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.
  MTH void destroy ();

  // return wether an object was destroyed already
  MTH 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, ...);
  MTH 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 = 0)
  {
    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 *path);
  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;
  const char *name;

  operator bool () { return !!text; }

  object_thawer (const char *path = 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  ; }

  static int cede_counter;

  static void cede_every (int count)
  {
    if (++cede_counter >= count)
      {
        cede_counter = 0;

        if (coroapi::nready ())
          coroapi::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:	1.48
Committed:	Sun Jan 7 18:01:09 2007 UTC (17 years, 4 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.47:	+1 -1 lines
Log Message:	re-enable map reattach, re-enable emergency player save
#	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	1.44	#undef seed
41	root	1.39
42	root	1.16	// perl bug #40256: perl does overwrite those with reentrant versions
43			// but does not initialise their state structures.
44			#undef random
45			#undef crypt
46
47	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48
49			// some macros to simplify perl in-calls
50
51			#define CHECK_ERROR \
52			if (SvTRUE (ERRSV)) \
53			LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
54
55			#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
56			#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
57			#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
58			#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) \| G_EVAL); SPAGAIN;
59			#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
60
61			//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62
63	root	1.7	void cfperl_init ();
64			void cfperl_main ();
65
66	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67
68			// virtual server time, excluding time jumps and lag
69			extern double runtime;
70
71	root	1.6	enum event_klass
72			{
73	root	1.11	KLASS_NONE,
74	root	1.3	KLASS_GLOBAL,
75	root	1.41	KLASS_ATTACHABLE,
76	root	1.40	KLASS_CLIENT,
77	root	1.3	KLASS_PLAYER,
78			KLASS_OBJECT,
79			KLASS_MAP,
80	root	1.33	KLASS_COMMAND,
81	root	1.3	};
82
83	root	1.6	enum event_type
84			{
85	root	1.7	# define def(klass,name) EVENT_ ## klass ## _ ## name,
86	root	1.2	# include "eventinc.h"
87			# undef def
88	root	1.4	NUM_EVENT_TYPES
89	root	1.2	};
90
91	root	1.41	#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92			#define ARG_INT(v) DT_INT , static_cast<int> (v)
93			#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94			#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
95			#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
96			#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
97			#define ARG_OBJECT(o) DT_OBJECT, (void )(static_cast<object > (o))
98			#define ARG_MAP(o) DT_MAP , (void )(static_cast<maptile > (o))
99			#define ARG_PLAYER(o) DT_PLAYER, (void )(static_cast<player > (o))
100			#define ARG_ARCH(o) DT_ARCH , (void )(static_cast<archetype > (o))
101			#define ARG_CLIENT(o) DT_CLIENT, (void )(static_cast<client > (o))
102			#define ARG_PARTY(o) DT_PARTY , (void )(static_cast<party > (o))
103			#define ARG_REGION(o) DT_REGION, (void )(static_cast<region > (o))
104	root	1.3
105			// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106	root	1.2
107	root	1.4	// all these return true when the normal event processing should be skipped (if any)
108	root	1.41	#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
109			#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
110			#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
111			#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
112			#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
113			#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
114	root	1.3
115	root	1.7	//TODO should index into @result
116			#define RESULT(idx,type) cfperl_result_ ## type (idx)
117	root	1.33	#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118			#define RESULT_INT(idx) RESULT(idx, INT)
119	root	1.7
120	root	1.34	double cfperl_result_DOUBLE (int idx);
121			int cfperl_result_INT (int idx);
122	root	1.7
123	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124
125	root	1.47	INTERFACE_CLASS (attachable)
126	root	1.41	struct attachable
127	root	1.6	{
128	root	1.42	static MGVTBL vtbl;
129
130	root	1.41	static unordered_vector<attachable *> mortals;
131	root	1.47	MTH static void check_mortals ();
132	root	1.41
133			enum {
134			F_DESTROYED = 0x01,
135			F_BORROWED = 0x02,
136			};
137
138			// object is delete'd after the refcount reaches 0
139	root	1.47	mutable int ACC (RW, refcnt);
140			int ACC (RW, flags);
141	root	1.41
142	root	1.47	MTH void refcnt_inc () const { ++refcnt; }
143			MTH void refcnt_dec () const { --refcnt; }
144	root	1.41
145			// check wether the object has died and destroy
146	root	1.47	MTH void refcnt_chk () { if (refcnt <= 0) do_check (); }
147	root	1.41
148			// destroy the object unless it was already destroyed
149			// this politely asks everybody interested the reduce
150			// the refcount to 0 as soon as possible.
151	root	1.47	MTH void destroy ();
152	root	1.41
153			// return wether an object was destroyed already
154	root	1.47	MTH bool destroyed () const { return flags & F_DESTROYED; }
155	root	1.41
156			virtual void gather_callbacks (AV *&callbacks, event_type event) const;
157
158			#if 0
159			private:
160			static refcounted *rc_first;
161			refcounted *rc_next;
162			#endif
163
164			HV *self; // CF+ perl self
165	root	1.35	AV *cb; // CF+ callbacks
166	root	1.21	shstr attach; // generic extension attachment information
167	root	1.6
168	root	1.13	void optimise (); // possibly save some memory by destroying unneeded data
169	root	1.8
170	root	1.41	attachable ()
171			: flags (0), refcnt (0), self (0), cb (0), attach (0)
172	root	1.8	{
173			}
174	root	1.22
175	root	1.41	attachable (const attachable &src)
176			: flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
177	root	1.22	{
178			}
179
180	root	1.41	virtual ~attachable ();
181
182			attachable &operator =(const attachable &src);
183
184			bool invoke (event_type event, ...);
185	root	1.48	MTH void instantiate ();
186	root	1.41	void reattach ();
187	root	1.24
188	root	1.41	protected:
189			// do the real refcount checking work
190			void do_check ();
191	root	1.25
192	root	1.41	// the method that does the real destroy work
193			virtual void do_destroy ();
194	root	1.6	};
195
196	root	1.41	// the global object is a pseudo object that cares for the global events
197			struct global : attachable
198	root	1.6	{
199	root	1.41	void gather_callbacks (AV *&callbacks, event_type event) const;
200	root	1.6	};
201
202	root	1.41	extern struct global gbl_ev;
203
204	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
205
206	root	1.19	struct object_freezer : dynbuf
207	root	1.7	{
208	root	1.17	AV *av;
209	root	1.12
210	root	1.17	object_freezer ();
211	root	1.8	~object_freezer ();
212
213	root	1.41	void put (attachable *ext);
214	root	1.15
215	root	1.29	// used only for user-defined key-value pairs
216			void put (const shstr &k, const shstr &v)
217	root	1.20	{
218			add (k);
219
220			if (v)
221	root	1.22	add (' '), add (v);
222	root	1.20
223			add ('\n');
224			}
225
226	root	1.29	//TODO//temporary, used only for saving body locations
227	root	1.20	void put (const char *k, int v)
228			{
229			add (k);
230			add (' ');
231			add (sint32 (v));
232			add ('\n');
233			}
234	root	1.19
235	root	1.29	template<typename T>
236			void put_string (keyword k, const T &v)
237	root	1.20	{
238			int klen = keyword_len [k];
239	root	1.22	int vlen = v ? strlen (v) + 1 : 0;
240
241			char p = (char )alloc (klen + vlen + 1);
242
243			memcpy (p, keyword_str [k], klen); p += klen;
244
245			if (v)
246			{
247	root	1.29	*p++ = ' '; vlen--;
248	root	1.22	memcpy (p, v, vlen); p += vlen;
249			}
250
251			*p = '\n';
252			}
253
254	root	1.45	void put (keyword k, const char *v = 0)
255	root	1.29	{
256			put_string (k, v);
257			}
258
259	root	1.22	void put (keyword k, const shstr &v)
260			{
261	root	1.29	put_string (k, v);
262	root	1.20	}
263	root	1.19
264	root	1.20	void put (keyword k, double v)
265			{
266			char buf [128];
267
268			snprintf (buf, 128, "%.7g", v);
269
270			put (k, (const char *)buf);
271			}
272
273			void put_(keyword k, sint64 v)
274			{
275			add (keyword_str [k], keyword_len [k]);
276			add (' ');
277			add (v);
278			add ('\n');
279			}
280
281			void put_(keyword k, sint32 v)
282			{
283			add (keyword_str [k], keyword_len [k]);
284			add (' ');
285			add (v);
286			add ('\n');
287			}
288
289	root	1.23	void put (keyword kbeg, keyword kend, const shstr &v)
290	root	1.20	{
291			add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
292
293			if (v)
294			{
295			add (v);
296			add ('\n');
297			}
298
299			add (keyword_str [kend], keyword_len [kend]); add ('\n');
300			}
301
302			void put (keyword k, float v) { put (k, (double)v); }
303	root	1.19	void put (keyword k, signed char v) { put_(k, (sint32)v); }
304			void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
305			void put (keyword k, signed short v) { put_(k, (sint32)v); }
306			void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
307			void put (keyword k, signed int v) { put_(k, (sint32)v); }
308			void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
309			void put (keyword k, signed long v) { put_(k, (sint64)v); }
310			void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
311			void put (keyword k, signed long long v) { put_(k, (sint64)v); }
312			void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
313
314			template<typename T>
315	root	1.32	void put (keyword k, const T *v)
316	root	1.18	{
317	root	1.23	if (v)
318			put (k, v->name);
319			else
320			put (k, (const char *)0);
321	root	1.18	}
322
323	root	1.32	template<typename T>
324			void put (keyword k, const refptr<T> &v)
325			{
326			put (k, (T *)v);
327			}
328
329	root	1.47	bool save (const char *path);
330	root	1.31	char *as_string (); // like strdup
331	root	1.17
332	root	1.16	operator bool () { return !!av; }
333	root	1.7	};
334
335	root	1.17	// compatibility support, should be removed when no longer needed
336			int fprintf (object_freezer &freezer, const char *format, ...);
337			int fputs (const char *s, object_freezer &freezer);
338
339			struct object_thawer
340	root	1.7	{
341	root	1.21	SV *text; // text part
342			AV *av; // perl part
343			char *line; // current beginning of line
344	root	1.42	char last_keyword, last_value;
345	root	1.47	const char *name;
346	root	1.21
347			operator bool () { return !!text; }
348	root	1.16
349	root	1.47	object_thawer (const char *path = 0);
350	root	1.30	object_thawer (const char data, AV perlav);
351	root	1.8	~object_thawer ();
352
353	root	1.41	void get (attachable *obj, int oid);
354	root	1.15
355	root	1.21	keyword get_kv (); // also parse value for later use
356	root	1.42	void skip_kv (keyword kw);
357	root	1.21
358			const char *get_str () { return last_value; } // may be 0
359	root	1.17
360	root	1.21	void get (shstr &sh) const;
361			void get_ornull (shstr &sh) const { sh = last_value; }
362			void get_ml (keyword kend, shstr &sh);
363
364			sint32 get_sint32 () const;
365			sint64 get_sint64 () const;
366			double get_double () const;
367
368	root	1.42	void get (float &v) { v = get_double (); }
369	root	1.21	void get (double &v) { v = get_double (); }
370
371	root	1.42	void get (bool &i) { i = get_sint32 (); }
372	root	1.21	void get (sint8 &i) { i = get_sint32 (); }
373			void get (uint8 &i) { i = get_sint32 (); }
374			void get (sint16 &i) { i = get_sint32 (); }
375			void get (uint16 &i) { i = get_sint32 (); }
376			void get (sint32 &i) { i = get_sint32 (); }
377
378			void get (uint32 &i) { i = get_sint64 (); }
379			void get (sint64 &i) { i = get_sint64 (); }
380	root	1.7	};
381	root	1.2
382	root	1.21	char fgets (char s, int n, object_thawer &thawer);
383
384	root	1.42	//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
385
386			struct coroapi {
387			static struct CoroAPI *GCoroAPI;
388
389			static int nready () { return CORO_NREADY; }
390			static int cede () { return CORO_CEDE ; }
391	root	1.46
392			static int cede_counter;
393
394			static void cede_every (int count)
395			{
396			if (++cede_counter >= count)
397			{
398			cede_counter = 0;
399
400			if (coroapi::nready ())
401			coroapi::cede ();
402			}
403			}
404	root	1.42	};
405
406	root	1.36	struct watcher_base
407			{
408			static struct EventAPI *GEventAPI;
409			};
410
411			template<class base>
412			struct watcher : watcher_base
413			{
414			base *pe;
415
416			void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); }
417			void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); }
418			void now () { GEventAPI->now ((pe_watcher *)pe); }
419			void suspend () { GEventAPI->suspend ((pe_watcher *)pe); }
420			void resume () { GEventAPI->resume ((pe_watcher *)pe); }
421
422			void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; }
423
424			~watcher ()
425			{
426			cancel ();
427			}
428
429			private:
430			void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private
431			};
432
433	root	1.38	struct iw : watcher<pe_idle>, callback<void (iw &)>
434			{
435			template<class O, class M>
436			iw (O object, M method)
437			: callback<void (iw &)> (object, method)
438			{
439			alloc ();
440			}
441
442			private:
443			void alloc ();
444			};
445
446	root	1.36	struct iow : watcher<pe_io>, callback<void (iow &, int)>
447			{
448			template<class O, class M>
449			iow (O object, M method)
450			: callback<void (iow &, int)> (object, method)
451			{
452			alloc ();
453			}
454
455	root	1.38	void fd (int fd);
456	root	1.36	int poll ();
457	root	1.38	void poll (int events);
458	root	1.36
459			private:
460			void alloc ();
461			};
462
463	root	1.2	#endif
464	root	1.3