--- deliantra/server/include/cfperl.h 2006/12/19 04:58:04 1.40 +++ deliantra/server/include/cfperl.h 2012/11/11 04:29:11 1.127 @@ -1,48 +1,144 @@ +/* + * This file is part of Deliantra, the Roguelike Realtime MMORPG. + * + * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team + * + * Deliantra is free software: you can redistribute it and/or modify it under + * the terms of the Affero GNU General Public License as published by the + * Free Software Foundation, either version 3 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the Affero GNU General Public License + * and the GNU General Public License along with this program. If not, see + * . + * + * The authors can be reached via e-mail to + */ + // // cfperl.h perl interface // #ifndef CFPERL_H__ #define CFPERL_H__ -#include - using namespace std; #include #include #include -#include +#include +#include +#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 opendir #undef readdir +#undef closedir #undef getprotobyname #undef gethostbyname #undef ctime #undef strerror +#undef _ // 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 +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +#define _(msg) (msg) +#define N_(msg) (msg) + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +// some macros to simplify perl in-calls + +#define CHECK_ERROR \ + if (SvTRUE (ERRSV)) \ + LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); + +inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); } +inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); } + +// TODO: temporarily enabled pushstack/popstack for all calls from the core, to maybe fix object memleak? +#define CALL_PUSH PUSHSTACKi (PERLSI_UNKNOWN) +#define CALL_POP PUTBACK; POPSTACK; SPAGAIN +#define CALL_BEGIN(args) dSP; CALL_PUSH; 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_pvsv (name, (flags) | G_EVAL); SPAGAIN; +#define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE; CALL_POP + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + void cfperl_init (); void cfperl_main (); +void cfperl_tick (); +void cfperl_emergency_save (); +void cfperl_cleanup (int make_core); +void cfperl_make_book (object *book, int level); +void cfperl_send_msg (client *ns, int color, const_utf8_string type, const_utf8_string msg); +int cfperl_can_merge (object *ob1, object *ob2); +void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0); +void cfperl_ix (client *ns, faceidx idx, int pri, uint32 size, uint32 fofs); + +bool is_match_expr (const_utf8_string expr); +// applies the match expression and returns true if it matches +bool match (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); +// same as above, but returns the first object found, or 0 +object *match_one (const_utf8_string expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +#if IVSIZE >= 8 + typedef IV val64; + typedef IV uval64; +# define newSVval64 newSViv +# define SvVAL64 SvIV +# define newSVuval64 newSVuv +# define SvUVAL64 SvUV +#else + typedef double val64; + typedef double uval64; +# define newSVval64 newSVnv +# define SvVAL64 SvNV +# define newSVuval64 newSVnv +# define SvUVAL64 SvNV +#endif + +extern tstamp runtime; // virtual server time, excluding time jumps and lag +extern tstamp NOW; // real time of current server tick + +noinline utf8_string cfSvPVutf8_nolen (SV *sv); enum event_klass { KLASS_NONE, KLASS_GLOBAL, + KLASS_ATTACHABLE, KLASS_CLIENT, KLASS_PLAYER, KLASS_OBJECT, @@ -58,337 +154,254 @@ NUM_EVENT_TYPES }; -#define ARG_AV(o) DT_AV , static_cast (o) -#define ARG_INT(v) DT_INT , static_cast (v) -#define ARG_INT64(v) DT_INT64 , static_cast (v) -#define ARG_DOUBLE(v) DT_DOUBLE, static_cast (v) -#define ARG_STRING(v) DT_STRING, static_cast (v) -#define ARG_DATA(s,l) DT_DATA , static_cast (s), int (l) -#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast (o) -#define ARG_MAP(o) DT_MAP , (void *)static_cast (o) -#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast (o) -#define ARG_ARCH(o) DT_ARCH , (void *)static_cast (o) -#define ARG_PARTY(o) DT_PARTY , (void *)static_cast (o) -#define ARG_REGION(o) DT_REGION, (void *)static_cast (o) -#define ARG_CLIENT(o) DT_CLIENT, (void *)static_cast (o) +// in which global events or per-type events are we interested +extern bitset ev_want_event; +extern bitset ev_want_type; + +#define ARG_AV(o) DT_AV , static_cast (o) +#define ARG_INT(v) DT_INT , static_cast (v) +#define ARG_INT64(v) DT_INT64 , static_cast (v) +#define ARG_DOUBLE(v) DT_DOUBLE, static_cast (v) +#define ARG_STRING(v) DT_STRING, static_cast (v) +#define ARG_DATA(s,l) DT_DATA , static_cast (s), int (l) +#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast (o)) +#define ARG_MAP(o) DT_MAP , (void *)(static_cast (o)) +#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast (o)) +#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast (o)) +#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast (o)) +#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast (o)) +#define ARG_REGION(o) DT_REGION, (void *)(static_cast (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_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) - -#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) -#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) -#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) -#define INVOKE_CLIENT(event, ns, ...) INVOKE_(EVENT_ ## CLIENT ## _ ## event, ARG_CLIENT (ns), ## __VA_ARGS__) -#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) -#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) +#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) +#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) +#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) +#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) +#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) +#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) +#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__) //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) -bool cfperl_invoke (event_type event, ...); double cfperl_result_DOUBLE (int idx); int cfperl_result_INT (int idx); -struct attachable_base +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +INTERFACE_CLASS (attachable) +struct attachable : refcnt_base { - SV *self; // CF+ perl self + static MGVTBL vtbl; + + enum { + F_DESTROYED = 0x01, + F_DEBUG_TRACE = 0x02, + }; + uint8 ACC (RW, attachable_flags); + + static unordered_vector mortals; + MTH static void check_mortals (); + + // object is delete'd after the refcount reaches 0 + MTH int refcnt_cnt () const; + // check wether the object has died and destroy + MTH void refcnt_chk () { if (expect_false (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 attachable_flags & F_DESTROYED; } + + // destruct and free the memory for this object + virtual void do_delete (); + + 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 clear (); // called when free'ing objects - void optimise (); // possibly save some memory by destroying unneeded data - void instantiate (data_type type, void *obj); + void sever_self (); // sever this object from its self, if it has one. + void optimise (); // possibly save some memory by destroying unneeded data - void attachable_clear () + attachable () + : attachable_flags (0), self (0), cb (0), attach (0) { - self = 0; - cb = 0; - attach = 0; } - attachable_base () + attachable (const attachable &src) + : attachable_flags (0), self (0), cb (0), attach (src.attach) { - attachable_clear (); } - ~attachable_base () - { - clear (); - } + // set a custom key to the given value, or delete it if value = 0 + void set_key (const_utf8_string key, const_utf8_string value = 0, bool is_utf8 = 0); - attachable_base (const attachable_base &src) - : self (0), cb (0), attach (src.attach) + void set_key_text (const_utf8_string key, const_utf8_string value = 0) { + set_key (key, value, 1); } - attachable_base &operator =(const attachable_base &src) + void set_key_data (const_utf8_string key, const_utf8_string value = 0) { - clear (); - attach = src.attach; - return *this; + set_key (key, value, 0); } -}; -// objects attachable from perl (or any other extension) should include or -// derive using the curiously recurring template pattern, to avoid -// virtual method calls etc. -template -struct attachable : attachable_base -{ - void instantiate () + attachable &operator =(const attachable &src); + + // used to _quickly_ decide wether to shortcut the evaluation + bool should_invoke (event_type event) { - if (attach) - attachable_base::instantiate ((data_type) cftype::dt, static_cast(this)); + return ev_want_event [event] || cb; } -}; -struct object_freezer : dynbuf -{ - AV *av; + bool invoke (event_type event, ...); - object_freezer (); - ~object_freezer (); + MTH void instantiate (); + void reattach (); - void put (attachable_base *ext); +protected: + // do the real refcount checking work + void do_check (); - template - void put (attachable *obj) - { - put ((attachable_base *)obj); - } + // the method that does the real destroy work + virtual void do_destroy (); - // used only for user-defined key-value pairs - void put (const shstr &k, const shstr &v) - { - add (k); + // destructor is protected, should not be called by anybody + virtual ~attachable (); +}; - if (v) - add (' '), add (v); +// 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; +}; - add ('\n'); - } +extern struct global gbl_ev; - //TODO//temporary, used only for saving body locations - void put (const char *k, int v) - { - add (k); - add (' '); - add (sint32 (v)); - add ('\n'); - } +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - template - void put_string (keyword k, const T &v) - { - int klen = keyword_len [k]; - int vlen = v ? strlen (v) + 1 : 0; +#include "freezethaw.h" - char *p = (char *)alloc (klen + vlen + 1); +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - memcpy (p, keyword_str [k], klen); p += klen; +struct coroapi { + static struct CoroAPI *GCoroAPI; - if (v) - { - *p++ = ' '; vlen--; - memcpy (p, v, vlen); p += vlen; - } + static EV_ATOMIC_T cede_pending; - *p = '\n'; - } + static int nready () { return CORO_NREADY; } + static int cede () { cede_pending = 0; return CORO_CEDE ; } - void put (keyword k, const char *v) - { - put_string (k, v); - } + static void do_cede_to_tick (); - void put (keyword k, const shstr &v) + // actually cede's far more often + static bool cede_to_tick () { - put_string (k, v); + if (expect_true (!cede_pending)) + return false; + + do_cede_to_tick (); + return true; } - void put (keyword k, double v) - { - char buf [128]; + static void wait_for_tick (); + static void wait_for_tick_begin (); +}; - snprintf (buf, 128, "%.7g", v); +struct evapi +{ + static struct EVAPI *GEVAPI; +}; - put (k, (const char *)buf); +struct iow : ev_io, evapi, callback +{ + static void thunk (EV_P_ struct ev_io *w_, int revents) + { + iow &w = *static_cast(w_); + + w (w, revents); } - void put_(keyword k, sint64 v) + template + iow (O object, M method) + : callback (object, method) { - add (keyword_str [k], keyword_len [k]); - add (' '); - add (v); - add ('\n'); + ev_init ((ev_io *)this, thunk); } - void put_(keyword k, sint32 v) + void prio (int prio) { - add (keyword_str [k], keyword_len [k]); - add (' '); - add (v); - add ('\n'); + ev_set_priority ((ev_io *)this, prio); } - void put (keyword kbeg, keyword kend, const shstr &v) + void set (int fd, int events) { - add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); - - if (v) - { - add (v); - add ('\n'); - } - - add (keyword_str [kend], keyword_len [kend]); add ('\n'); + ev_io_set ((ev_io *)this, fd, events); } - 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); } + int poll () const { return events; } + + void poll (int events); - template - void put (keyword k, const T *v) + void start () { - if (v) - put (k, v->name); - else - put (k, (const char *)0); + ev_io_start (EV_DEFAULT, (ev_io *)this); } - template - void put (keyword k, const refptr &v) + void stop () { - put (k, (T *)v); + ev_io_stop (EV_DEFAULT, (ev_io *)this); } - 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_value; - - operator bool () { return !!text; } - - object_thawer (const char *filename = 0); - object_thawer (const char *data, AV *perlav); - ~object_thawer (); - - void get (data_type type, void *obj, attachable_base *ext, int oid); - - template - void get (attachable *obj, int oid) + ~iow () { - if (av) - get ((data_type) cftype::dt, (subclass *)obj, obj, oid); + stop (); } - - keyword get_kv (); // also parse value for later use - - 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 (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 watcher_base +struct asyncw : ev_async, evapi, callback { - static struct EventAPI *GEventAPI; -}; - -template -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 () + static void thunk (EV_P_ struct ev_async *w_, int revents) { - cancel (); + asyncw &w = *static_cast(w_); + + w (w, revents); } -private: - void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private -}; - -struct iw : watcher, callback -{ template - iw (O object, M method) - : callback (object, method) + asyncw (O object, M method) + : callback (object, method) { - alloc (); + ev_init ((ev_async *)this, thunk); } -private: - void alloc (); -}; - -struct iow : watcher, callback -{ - template - iow (O object, M method) - : callback (object, method) + void start () { - alloc (); + ev_async_start (EV_DEFAULT, (ev_async *)this); } - void fd (int fd); - int poll (); - void poll (int events); + void stop () + { + ev_async_stop (EV_DEFAULT, (ev_async *)this); + } -private: - void alloc (); + ~asyncw () + { + stop (); + } }; #endif