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// |
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// cfperl.h perl interface |
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// |
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#ifndef CFPERL_H__ |
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#define CFPERL_H__ |
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|
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#include <cstdio> |
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|
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using namespace std; |
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|
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#include <EXTERN.h> |
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#include <perl.h> |
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#include <XSUB.h> |
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|
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#include <EventAPI.h> |
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#include <CoroAPI.h> |
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|
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#include "util.h" |
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#include "keyword.h" |
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#include "dynbuf.h" |
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#include "callback.h" |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
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#undef localtime |
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#undef srand48 |
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#undef drand48 |
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#undef srandom |
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#undef readdir |
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#undef getprotobyname |
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#undef gethostbyname |
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#undef ctime |
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#undef strerror |
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|
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// same here, massive symbol spamming |
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#undef do_open |
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#undef do_close |
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#undef ref |
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#undef seed |
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|
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// perl bug #40256: perl does overwrite those with reentrant versions |
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// but does not initialise their state structures. |
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#undef random |
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#undef crypt |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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// some macros to simplify perl in-calls |
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|
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#define CHECK_ERROR \ |
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if (SvTRUE (ERRSV)) \ |
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LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); |
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|
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#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN; |
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#define CALL_END CHECK_ERROR; FREETMPS; LEAVE |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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void cfperl_init (); |
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void cfperl_main (); |
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void cfperl_emergency_save (); |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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// virtual server time, excluding time jumps and lag |
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extern double runtime; |
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|
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enum event_klass |
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{ |
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KLASS_NONE, |
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KLASS_GLOBAL, |
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KLASS_ATTACHABLE, |
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KLASS_CLIENT, |
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KLASS_PLAYER, |
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KLASS_OBJECT, |
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KLASS_MAP, |
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KLASS_COMMAND, |
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}; |
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|
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enum event_type |
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{ |
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# define def(klass,name) EVENT_ ## klass ## _ ## name, |
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# include "eventinc.h" |
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# undef def |
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NUM_EVENT_TYPES |
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}; |
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|
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#define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
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#define ARG_INT(v) DT_INT , static_cast<int> (v) |
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#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
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#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
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#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
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#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
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#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
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#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
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#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
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#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
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#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
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#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
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|
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// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
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|
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// all these return true when the normal event processing should be skipped (if any) |
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#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) |
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#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) |
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#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) |
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#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) |
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#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) |
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#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) |
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|
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//TODO should index into @result |
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#define RESULT(idx,type) cfperl_result_ ## type (idx) |
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#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
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#define RESULT_INT(idx) RESULT(idx, INT) |
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|
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double cfperl_result_DOUBLE (int idx); |
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int cfperl_result_INT (int idx); |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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INTERFACE_CLASS (attachable) |
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struct attachable |
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{ |
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static MGVTBL vtbl; |
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|
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static unordered_vector<attachable *> mortals; |
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MTH static void check_mortals (); |
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|
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enum { |
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F_DESTROYED = 0x01, |
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}; |
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|
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// object is delete'd after the refcount reaches 0 |
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mutable int ACC (RW, refcnt); |
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int ACC (RW, flags); |
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|
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MTH void refcnt_inc () const { ++refcnt; } |
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MTH void refcnt_dec () const { --refcnt; } |
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|
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MTH int refcnt_cnt () const; |
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// check wether the object has died and destroy |
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MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } |
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|
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// destroy the object unless it was already destroyed |
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// this politely asks everybody interested the reduce |
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// the refcount to 0 as soon as possible. |
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MTH void destroy (); |
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|
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// return wether an object was destroyed already |
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MTH bool destroyed () const { return flags & F_DESTROYED; } |
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|
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virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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|
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#if 0 |
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private: |
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static refcounted *rc_first; |
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refcounted *rc_next; |
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#endif |
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|
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HV *self; // CF+ perl self |
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AV *cb; // CF+ callbacks |
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shstr attach; // generic extension attachment information |
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|
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void optimise (); // possibly save some memory by destroying unneeded data |
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|
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attachable () |
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: flags (0), refcnt (0), self (0), cb (0), attach (0) |
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{ |
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} |
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|
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attachable (const attachable &src) |
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: flags (0), refcnt (0), self (0), cb (0), attach (src.attach) |
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{ |
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} |
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|
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virtual ~attachable (); |
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|
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attachable &operator =(const attachable &src); |
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|
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bool invoke (event_type event, ...); |
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MTH void instantiate (); |
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void reattach (); |
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|
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protected: |
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// do the real refcount checking work |
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void do_check (); |
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|
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// the method that does the real destroy work |
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virtual void do_destroy (); |
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}; |
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|
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// the global object is a pseudo object that cares for the global events |
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struct global : attachable |
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{ |
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void gather_callbacks (AV *&callbacks, event_type event) const; |
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}; |
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|
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extern struct global gbl_ev; |
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|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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struct object_freezer : dynbuf |
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{ |
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AV *av; |
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|
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object_freezer (); |
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~object_freezer (); |
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|
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void put (attachable *ext); |
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|
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// used only for user-defined key-value pairs |
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void put (const shstr &k, const shstr &v) |
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{ |
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add (k); |
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|
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if (v) |
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add (' '), add (v); |
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|
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add ('\n'); |
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} |
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|
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//TODO//temporary, used only for saving body locations |
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void put (const char *k, int v) |
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{ |
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add (k); |
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add (' '); |
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add (sint32 (v)); |
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add ('\n'); |
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} |
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|
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template<typename T> |
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void put_string (keyword k, const T &v) |
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{ |
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int klen = keyword_len [k]; |
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int vlen = v ? strlen (v) + 1 : 0; |
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|
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char *p = (char *)alloc (klen + vlen + 1); |
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|
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memcpy (p, keyword_str [k], klen); p += klen; |
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|
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if (v) |
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{ |
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*p++ = ' '; vlen--; |
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memcpy (p, v, vlen); p += vlen; |
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} |
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|
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*p = '\n'; |
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} |
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|
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void put (keyword k, const char *v = 0) |
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{ |
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put_string (k, v); |
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} |
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|
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void put (keyword k, const shstr &v) |
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{ |
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put_string (k, v); |
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} |
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|
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void put (keyword k, double v) |
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{ |
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char buf [128]; |
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|
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snprintf (buf, 128, "%.7g", v); |
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|
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put (k, (const char *)buf); |
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} |
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|
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void put_(keyword k, sint64 v) |
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{ |
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add (keyword_str [k], keyword_len [k]); |
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add (' '); |
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add (v); |
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add ('\n'); |
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} |
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|
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void put_(keyword k, sint32 v) |
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{ |
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add (keyword_str [k], keyword_len [k]); |
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add (' '); |
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add (v); |
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add ('\n'); |
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} |
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|
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void put (keyword kbeg, keyword kend, const shstr &v) |
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{ |
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add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); |
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|
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if (v) |
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{ |
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add (v); |
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add ('\n'); |
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} |
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|
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add (keyword_str [kend], keyword_len [kend]); add ('\n'); |
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} |
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|
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void put (keyword k, float v) { put (k, (double)v); } |
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void put (keyword k, signed char v) { put_(k, (sint32)v); } |
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void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
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void put (keyword k, signed short v) { put_(k, (sint32)v); } |
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void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
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void put (keyword k, signed int v) { put_(k, (sint32)v); } |
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void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
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void put (keyword k, signed long v) { put_(k, (sint64)v); } |
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void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
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void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
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void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
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|
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template<typename T> |
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void put (keyword k, const T *v) |
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{ |
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if (v) |
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put (k, v->name); |
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else |
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put (k, (const char *)0); |
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} |
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|
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template<typename T> |
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void put (keyword k, const refptr<T> &v) |
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{ |
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put (k, (T *)v); |
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} |
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|
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bool save (const char *path); |
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char *as_string (); // like strdup |
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|
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operator bool () { return !!av; } |
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}; |
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|
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// compatibility support, should be removed when no longer needed |
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int fprintf (object_freezer &freezer, const char *format, ...); |
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int fputs (const char *s, object_freezer &freezer); |
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|
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struct object_thawer |
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{ |
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SV *text; // text part |
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AV *av; // perl part |
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char *line; // current beginning of line |
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char *last_keyword, *last_value; |
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const char *name; |
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|
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operator bool () { return !!text; } |
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|
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object_thawer (const char *path = 0); |
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object_thawer (const char *data, AV *perlav); |
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~object_thawer (); |
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|
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void get (attachable *obj, int oid); |
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|
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keyword get_kv (); // also parse value for later use |
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void skip_kv (keyword kw); |
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|
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const char *get_str () { return last_value; } // may be 0 |
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|
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void get (shstr &sh) const; |
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void get_ornull (shstr &sh) const { sh = last_value; } |
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void get_ml (keyword kend, shstr &sh); |
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|
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sint32 get_sint32 () const; |
| 366 |
sint64 get_sint64 () const; |
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double get_double () const; |
| 368 |
|
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void get (float &v) { v = get_double (); } |
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void get (double &v) { v = get_double (); } |
| 371 |
|
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void get (bool &i) { i = get_sint32 (); } |
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void get (sint8 &i) { i = get_sint32 (); } |
| 374 |
void get (uint8 &i) { i = get_sint32 (); } |
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void get (sint16 &i) { i = get_sint32 (); } |
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void get (uint16 &i) { i = get_sint32 (); } |
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void get (sint32 &i) { i = get_sint32 (); } |
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|
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void get (uint32 &i) { i = get_sint64 (); } |
| 380 |
void get (sint64 &i) { i = get_sint64 (); } |
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}; |
| 382 |
|
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char *fgets (char *s, int n, object_thawer &thawer); |
| 384 |
|
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| 386 |
|
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struct coroapi { |
| 388 |
static struct CoroAPI *GCoroAPI; |
| 389 |
|
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static int nready () { return CORO_NREADY; } |
| 391 |
static int cede () { return CORO_CEDE ; } |
| 392 |
|
| 393 |
static int cede_counter; |
| 394 |
|
| 395 |
static void cede_every (int count) |
| 396 |
{ |
| 397 |
if (++cede_counter >= count) |
| 398 |
{ |
| 399 |
cede_counter = 0; |
| 400 |
|
| 401 |
if (coroapi::nready ()) |
| 402 |
coroapi::cede (); |
| 403 |
} |
| 404 |
} |
| 405 |
}; |
| 406 |
|
| 407 |
struct watcher_base |
| 408 |
{ |
| 409 |
static struct EventAPI *GEventAPI; |
| 410 |
}; |
| 411 |
|
| 412 |
template<class base> |
| 413 |
struct watcher : watcher_base |
| 414 |
{ |
| 415 |
base *pe; |
| 416 |
|
| 417 |
void start (bool repeat = false) { GEventAPI->start ((pe_watcher *)pe, repeat); } |
| 418 |
void stop (bool cancel_events = false) { GEventAPI->stop ((pe_watcher *)pe, cancel_events); } |
| 419 |
void now () { GEventAPI->now ((pe_watcher *)pe); } |
| 420 |
void suspend () { GEventAPI->suspend ((pe_watcher *)pe); } |
| 421 |
void resume () { GEventAPI->resume ((pe_watcher *)pe); } |
| 422 |
|
| 423 |
void prio (int new_prio) { ((pe_watcher *)pe)->prio = new_prio; } |
| 424 |
|
| 425 |
~watcher () |
| 426 |
{ |
| 427 |
cancel (); |
| 428 |
} |
| 429 |
|
| 430 |
private: |
| 431 |
void cancel () { GEventAPI->cancel ((pe_watcher *)pe); } // private |
| 432 |
}; |
| 433 |
|
| 434 |
struct iw : watcher<pe_idle>, callback<void (iw &)> |
| 435 |
{ |
| 436 |
template<class O, class M> |
| 437 |
iw (O object, M method) |
| 438 |
: callback<void (iw &)> (object, method) |
| 439 |
{ |
| 440 |
alloc (); |
| 441 |
} |
| 442 |
|
| 443 |
private: |
| 444 |
void alloc (); |
| 445 |
}; |
| 446 |
|
| 447 |
struct iow : watcher<pe_io>, callback<void (iow &, int)> |
| 448 |
{ |
| 449 |
template<class O, class M> |
| 450 |
iow (O object, M method) |
| 451 |
: callback<void (iow &, int)> (object, method) |
| 452 |
{ |
| 453 |
alloc (); |
| 454 |
} |
| 455 |
|
| 456 |
void fd (int fd); |
| 457 |
int poll (); |
| 458 |
void poll (int events); |
| 459 |
|
| 460 |
private: |
| 461 |
void alloc (); |
| 462 |
}; |
| 463 |
|
| 464 |
#endif |
| 465 |
|
