EV/EV.xs

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

/*#include <netinet/in.h>*/

#define TIMEOUT_NONE HUGE_VAL
#define HAVE_EPOLL 1

#define EV_PROTOTYPES 1
#include "EV/EVAPI.h"

#include "libev/ev.c"

typedef int Signal;

static struct EVAPI evapi;

static HV
  *stash_watcher,
  *stash_io,
  *stash_time,
  *stash_timer,
  *stash_periodic,
  *stash_signal,
  *stash_idle,
  *stash_prepare,
  *stash_check;

static int
sv_signum (SV *sig)
{
  int signum;

  if (SvIV (sig) > 0)
    return SvIV (sig);

  for (signum = 1; signum < SIG_SIZE; ++signum)
    if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
      return signum;

  return -1;
}

/////////////////////////////////////////////////////////////////////////////
// Event

static void e_cb (struct ev_watcher *w, int revents);

static int
sv_fileno (SV *fh)
{
  SvGETMAGIC (fh);

  if (SvROK (fh))
    fh = SvRV (fh);

  if (SvTYPE (fh) == SVt_PVGV)
    return PerlIO_fileno (IoIFP (sv_2io (fh)));

  if (SvIOK (fh))
    return SvIV (fh);

  return -1;
}

static void *
e_new (int size, SV *cb_sv)
{
  struct ev_watcher *w;
  SV *self = NEWSV (0, size);
  SvPOK_only (self);
  SvCUR_set (self, size);

  w = (struct ev_watcher *)SvPVX (self);

  evw_init (w, e_cb);

  w->fh    = 0;
  w->cb_sv = newSVsv (cb_sv);
  w->self  = self;

  return (void *)w;
}

static SV *
e_bless (struct ev_watcher *w, HV *stash)
{
  SV *rv;

  if (SvOBJECT (w->self))
    rv = newRV_inc (w->self);
  else
    {
      rv = newRV_noinc (w->self);
      sv_bless (rv, stash);
      SvREADONLY_on (w->self);
    }

  return rv;
}

static void
e_cb (struct ev_watcher *w, int revents)
{
  dSP;
  I32 mark = SP - PL_stack_base;
  SV *sv_self, *sv_events;
  static SV *sv_events_cache;

  sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */

  if (sv_events_cache)
    {
      sv_events = sv_events_cache; sv_events_cache = 0;
      SvIV_set (sv_events, revents);
    }
  else
    sv_events = newSViv (revents);

  PUSHMARK (SP);
  EXTEND (SP, 2);
  PUSHs (sv_self);
  PUSHs (sv_events);
  PUTBACK;
  call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
  SP = PL_stack_base + mark; PUTBACK;

  SvREFCNT_dec (sv_self);

  if (sv_events_cache)
    SvREFCNT_dec (sv_events);
  else
    sv_events_cache = sv_events;

  if (SvTRUE (ERRSV))
    {
      PUSHMARK (SP);
      PUTBACK;
      call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
      SP = PL_stack_base + mark; PUTBACK;
    }
}

#if 0
/////////////////////////////////////////////////////////////////////////////
// DNS

static void
dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg)
{
  dSP;
  SV *cb = (SV *)arg;

  ENTER;
  SAVETMPS;
  PUSHMARK (SP);
  EXTEND (SP, count + 3);
  PUSHs (sv_2mortal (newSViv (result)));

  if (result == DNS_ERR_NONE && ttl >= 0)
    {
      int i;

      PUSHs (sv_2mortal (newSViv (type)));
      PUSHs (sv_2mortal (newSViv (ttl)));

      for (i = 0; i < count; ++i)
        switch (type)
          {
            case DNS_IPv6_AAAA:
              PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
              break;
            case DNS_IPv4_A:
              PUSHs (sv_2mortal (newSVpvn (i *  4 + (char *)addresses,  4)));
              break;
            case DNS_PTR:
              PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0)));
              break;
          }
    }

  PUTBACK;
  call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL);

  FREETMPS;

  if (SvTRUE (ERRSV))
    {
      PUSHMARK (SP);
      PUTBACK;
      call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
    }

  LEAVE;
}
#endif

#define CHECK_REPEAT(repeat) if (repeat < 0.) \
  croak (# repeat " value must be >= 0");

/////////////////////////////////////////////////////////////////////////////
// XS interface functions

MODULE = EV             PACKAGE = EV            PREFIX = ev_

PROTOTYPES: ENABLE

BOOT:
{
  int i;
  HV *stash = gv_stashpv ("EV", 1);

  static const struct {
    const char *name;
    IV iv;
  } *civ, const_iv[] = {
#   define const_iv(pfx, name) { # name, (IV) pfx ## name },
    const_iv (EV_, UNDEF)
    const_iv (EV_, NONE)
    const_iv (EV_, TIMEOUT)
    const_iv (EV_, READ)
    const_iv (EV_, WRITE)
    const_iv (EV_, SIGNAL)
    const_iv (EV_, IDLE)
    const_iv (EV_, CHECK)
    const_iv (EV_, ERROR)

    const_iv (EV, LOOP_ONESHOT)
    const_iv (EV, LOOP_NONBLOCK)

    const_iv (EV, METHOD_NONE)
    const_iv (EV, METHOD_SELECT)
    const_iv (EV, METHOD_EPOLL)
  };

  for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
    newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));

  stash_watcher  = gv_stashpv ("EV::Watcher" , 1);
  stash_io       = gv_stashpv ("EV::IO"      , 1);
  stash_time     = gv_stashpv ("EV::Time"    , 1);
  stash_timer    = gv_stashpv ("EV::Timer"   , 1);
  stash_periodic = gv_stashpv ("EV::Periodic", 1);
  stash_signal   = gv_stashpv ("EV::Signal"  , 1);
  stash_idle     = gv_stashpv ("EV::Idle"    , 1);
  stash_prepare  = gv_stashpv ("EV::Prepare" , 1);
  stash_check    = gv_stashpv ("EV::Check"   , 1);

  {
    SV *sv = perl_get_sv ("EV::API", TRUE);
             perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */

    /* the poor man's shared library emulator */
    evapi.ver            = EV_API_VERSION;
    evapi.rev            = EV_API_REVISION;
    evapi.sv_fileno      = sv_fileno;
    evapi.sv_signum      = sv_signum;
    evapi.now            = &ev_now;
    evapi.method         = &ev_method;
    evapi.loop_done      = &ev_loop_done;
    evapi.time           = ev_time;
    evapi.loop           = ev_loop;
    evapi.once           = ev_once;
    evapi.io_start       = evio_start;
    evapi.io_stop        = evio_stop;
    evapi.timer_start    = evtimer_start;
    evapi.timer_stop     = evtimer_stop;
    evapi.timer_again    = evtimer_again;
    evapi.periodic_start = evperiodic_start;
    evapi.periodic_stop  = evperiodic_stop;
    evapi.signal_start   = evsignal_start;
    evapi.signal_stop    = evsignal_stop;
    evapi.idle_start     = evidle_start;
    evapi.idle_stop      = evidle_stop;
    evapi.prepare_start  = evprepare_start;
    evapi.prepare_stop   = evprepare_stop;
    evapi.check_start    = evcheck_start;
    evapi.check_stop     = evcheck_stop;

    sv_setiv (sv, (IV)&evapi);
    SvREADONLY_on (sv);
  }
}

NV ev_now ()
        CODE:
        RETVAL = ev_now;
        OUTPUT:
        RETVAL

int ev_method ()
        CODE:
        RETVAL = ev_method;
        OUTPUT:
        RETVAL

NV ev_time ()

void ev_init (int flags = 0)

void ev_loop (int flags = 0)

void ev_loop_done (int value = 1)
        CODE:
        ev_loop_done = value;

struct ev_io *io (SV *fh, int events, SV *cb)
        ALIAS:
        io_ns = 1
        CODE:
        RETVAL = e_new (sizeof (struct ev_io), cb);
        RETVAL->fh = newSVsv (fh);
        evio_set (RETVAL, sv_fileno (RETVAL->fh), events);
        if (!ix) evio_start (RETVAL);
        OUTPUT:
        RETVAL

struct ev_timer *timer (NV after, NV repeat, SV *cb)
        ALIAS:
        timer_ns = 1
        INIT:
        CHECK_REPEAT (repeat);
        CODE:
        RETVAL = e_new (sizeof (struct ev_timer), cb);
        evtimer_set (RETVAL, after, repeat);
        if (!ix) evtimer_start (RETVAL);
        OUTPUT:
        RETVAL

struct ev_periodic *periodic (NV at, NV interval, SV *cb)
        ALIAS:
        periodic_ns = 1
        INIT:
        CHECK_REPEAT (interval);
        CODE:
        RETVAL = e_new (sizeof (struct ev_periodic), cb);
        evperiodic_set (RETVAL, at, interval);
        if (!ix) evperiodic_start (RETVAL);
        OUTPUT:
        RETVAL

struct ev_signal *signal (Signal signum, SV *cb)
        ALIAS:
        signal_ns = 1
        CODE:
        RETVAL = e_new (sizeof (struct ev_signal), cb);
        evsignal_set (RETVAL, signum);
        if (!ix) evsignal_start (RETVAL);
        OUTPUT:
        RETVAL

struct ev_idle *idle (SV *cb)
        ALIAS:
        idle_ns = 1
        CODE:
        RETVAL = e_new (sizeof (struct ev_idle), cb);
        evidle_set (RETVAL);
        if (!ix) evidle_start (RETVAL);
        OUTPUT:
        RETVAL

struct ev_prepare *prepare (SV *cb)
        ALIAS:
        prepare_ns = 1
        CODE:
        RETVAL = e_new (sizeof (struct ev_prepare), cb);
        evprepare_set (RETVAL);
        if (!ix) evprepare_start (RETVAL);
        OUTPUT:
        RETVAL

struct ev_check *check (SV *cb)
        ALIAS:
        check_ns = 1
        CODE:
        RETVAL = e_new (sizeof (struct ev_check), cb);
        evcheck_set (RETVAL);
        if (!ix) evcheck_start (RETVAL);
        OUTPUT:
        RETVAL


PROTOTYPES: DISABLE

MODULE = EV             PACKAGE = EV::Watcher   PREFIX = ev_

int ev_is_active (struct ev_watcher *w)

SV *cb (struct ev_watcher *w, SV *new_cb = 0)
        CODE:
{
        RETVAL = newSVsv (w->cb_sv);

        if (items > 1)
          sv_setsv (w->cb_sv, new_cb);
}
        OUTPUT:
        RETVAL

MODULE = EV             PACKAGE = EV::IO        PREFIX = evio_

void evio_start (struct ev_io *w)

void evio_stop (struct ev_io *w)

void set (struct ev_io *w, SV *fh, int events)
        CODE:
{
        int active = w->active;
        if (active) evio_stop (w);

        sv_setsv (w->fh, fh);
        evio_set (w, sv_fileno (w->fh), events);

        if (active) evio_start (w);
}

SV *fh (struct ev_io *w, SV *new_fh = 0)
        CODE:
{
        RETVAL = newSVsv (w->fh);

        if (items > 1)
          {
            int active = w->active;
            if (active) evio_stop (w);

            sv_setsv (w->fh, new_fh);
            evio_set (w, sv_fileno (w->fh), w->events);

            if (active) evio_start (w);
          }
}
        OUTPUT:
        RETVAL

short events (struct ev_io *w, short new_events = EV_UNDEF)
        CODE:
{
        RETVAL = w->events;

        if (items > 1)
          {
            int active = w->active;
            if (active) evio_stop (w);

            evio_set (w, w->fd, new_events);

            if (active) evio_start (w);
          }
}
        OUTPUT:
        RETVAL

MODULE = EV             PACKAGE = EV::Signal    PREFIX = evsignal_

void evsignal_start (struct ev_signal *w)

void evsignal_stop (struct ev_signal *w)

void set (struct ev_signal *w, SV *signal = 0)
        CODE:
{
        Signal signum = sv_signum (signal); /* may croak here */
        int active = w->active;

        if (active) evsignal_stop (w);
        evsignal_set (w, signum);
        if (active) evsignal_start (w);
}

MODULE = EV             PACKAGE = EV::Time

MODULE = EV             PACKAGE = EV::Timer     PREFIX = evtimer_

void evtimer_start (struct ev_timer *w)
        INIT:
        CHECK_REPEAT (w->repeat);

void evtimer_stop (struct ev_timer *w)

void evtimer_again (struct ev_timer *w)
        INIT:
        CHECK_REPEAT (w->repeat);

void set (struct ev_timer *w, NV after, NV repeat = 0.)
        INIT:
        CHECK_REPEAT (repeat);
        CODE:
{
        int active = w->active;
        if (active) evtimer_stop (w);
        evtimer_set (w, after, repeat);
        if (active) evtimer_start (w);
}

MODULE = EV             PACKAGE = EV::Periodic  PREFIX = evperiodic_

void evperiodic_start (struct ev_periodic *w)
        INIT:
        CHECK_REPEAT (w->interval);

void evperiodic_stop (struct ev_periodic *w)

void set (struct ev_periodic *w, NV at, NV interval = 0.)
        INIT:
        CHECK_REPEAT (interval);
        CODE:
{
        int active = w->active;
        if (active) evperiodic_stop (w);
        evperiodic_set (w, at, interval);
        if (active) evperiodic_start (w);
}

MODULE = EV             PACKAGE = EV::Idle      PREFIX = evidle_

void evidle_start (struct ev_idle *w)

void evidle_stop (struct ev_idle *w)

MODULE = EV             PACKAGE = EV::Prepare   PREFIX = evcheck_

void evprepare_start (struct ev_prepare *w)

void evprepare_stop (struct ev_prepare *w)

MODULE = EV             PACKAGE = EV::Check     PREFIX = evcheck_

void evcheck_start (struct ev_check *w)

void evcheck_stop (struct ev_check *w)

#if 0

MODULE = EV             PACKAGE = EV::DNS       PREFIX = evdns_

BOOT:
{
  HV *stash = gv_stashpv ("EV::DNS", 1);

  static const struct {
    const char *name;
    IV iv;
  } *civ, const_iv[] = {
#   define const_iv(pfx, name) { # name, (IV) pfx ## name },
    const_iv (DNS_, ERR_NONE)
    const_iv (DNS_, ERR_FORMAT)
    const_iv (DNS_, ERR_SERVERFAILED)
    const_iv (DNS_, ERR_NOTEXIST)
    const_iv (DNS_, ERR_NOTIMPL)
    const_iv (DNS_, ERR_REFUSED)
    const_iv (DNS_, ERR_TRUNCATED)
    const_iv (DNS_, ERR_UNKNOWN)
    const_iv (DNS_, ERR_TIMEOUT)
    const_iv (DNS_, ERR_SHUTDOWN)
    const_iv (DNS_, IPv4_A)
    const_iv (DNS_, PTR)
    const_iv (DNS_, IPv6_AAAA)
    const_iv (DNS_, QUERY_NO_SEARCH)
    const_iv (DNS_, OPTION_SEARCH)
    const_iv (DNS_, OPTION_NAMESERVERS)
    const_iv (DNS_, OPTION_MISC)
    const_iv (DNS_, OPTIONS_ALL)
    const_iv (DNS_, NO_SEARCH)
  };

  for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
    newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
}

int evdns_init ()

void evdns_shutdown (int fail_requests = 1)

const char *evdns_err_to_string (int err)

int evdns_nameserver_add (U32 address)

int evdns_count_nameservers ()

int evdns_clear_nameservers_and_suspend ()

int evdns_resume ()

int evdns_nameserver_ip_add (char *ip_as_string)

int evdns_resolve_ipv4 (const char *name, int flags, SV *cb)
        C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)

int evdns_resolve_ipv6 (const char *name, int flags, SV *cb)
        C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)

int evdns_resolve_reverse (SV *addr, int flags, SV *cb)
        ALIAS:
        evdns_resolve_reverse_ipv6 = 1
        CODE:
{
        STRLEN len;
        char *data = SvPVbyte (addr, len);
        if (len != (ix ? 16 : 4))
          croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");

        RETVAL = ix
          ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb))
          : evdns_resolve_reverse      ((struct in_addr  *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb));
}
        OUTPUT:
        RETVAL

int evdns_set_option (char *option, char *val, int flags)

int evdns_resolv_conf_parse (int flags, const char *filename)

#ifdef MS_WINDOWS

int evdns_config_windows_nameservers ()

#endif

void evdns_search_clear ()

void evdns_search_add (char *domain)

void evdns_search_ndots_set (int ndots)


MODULE = EV             PACKAGE = EV::HTTP      PREFIX = evhttp_

BOOT:
{
  HV *stash = gv_stashpv ("EV::HTTP", 1);

  static const struct {
    const char *name;
    IV iv;
  } *civ, const_iv[] = {
#   define const_iv(pfx, name) { # name, (IV) pfx ## name },
    const_iv (HTTP_, OK)
    const_iv (HTTP_, NOCONTENT)
    const_iv (HTTP_, MOVEPERM)
    const_iv (HTTP_, MOVETEMP)
    const_iv (HTTP_, NOTMODIFIED)
    const_iv (HTTP_, BADREQUEST)
    const_iv (HTTP_, NOTFOUND)
    const_iv (HTTP_, SERVUNAVAIL)
    const_iv (EVHTTP_, REQ_OWN_CONNECTION)
    const_iv (EVHTTP_, PROXY_REQUEST)
    const_iv (EVHTTP_, REQ_GET)
    const_iv (EVHTTP_, REQ_POST)
    const_iv (EVHTTP_, REQ_HEAD)
    const_iv (EVHTTP_, REQUEST)
    const_iv (EVHTTP_, RESPONSE)
  };

  for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
    newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
}

MODULE = EV             PACKAGE = EV::HTTP::Request     PREFIX = evhttp_request_

#HttpRequest new (SV *klass, SV *cb)

#void DESTROY (struct evhttp_request *req);

#endif


Revision:	1.22
Committed:	Wed Oct 31 18:28:00 2007 UTC (16 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.21:	+21 -1 lines
Log Message:	add prepare watcher
#	User	Rev	Content
1	root	1.1	#include "EXTERN.h"
2			#include "perl.h"
3			#include "XSUB.h"
4
5	root	1.20	/#include <netinet/in.h>/
6	root	1.1
7	root	1.15	#define TIMEOUT_NONE HUGE_VAL
8	root	1.22	#define HAVE_EPOLL 1
9	root	1.1
10	root	1.20	#define EV_PROTOTYPES 1
11	root	1.11	#include "EV/EVAPI.h"
12
13	root	1.16	#include "libev/ev.c"
14
15	root	1.10	typedef int Signal;
16	root	1.1
17	root	1.11	static struct EVAPI evapi;
18
19	root	1.15	static HV
20			*stash_watcher,
21			*stash_io,
22			*stash_time,
23			*stash_timer,
24			*stash_periodic,
25			*stash_signal,
26			*stash_idle,
27	root	1.22	*stash_prepare,
28	root	1.15	*stash_check;
29	root	1.1
30	root	1.10	static int
31			sv_signum (SV *sig)
32			{
33			int signum;
34
35			if (SvIV (sig) > 0)
36			return SvIV (sig);
37
38			for (signum = 1; signum < SIG_SIZE; ++signum)
39			if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
40			return signum;
41
42			return -1;
43			}
44
45	root	1.1	/////////////////////////////////////////////////////////////////////////////
46			// Event
47
48	root	1.15	static void e_cb (struct ev_watcher *w, int revents);
49	root	1.1
50	root	1.15	static int
51			sv_fileno (SV *fh)
52	root	1.1	{
53	root	1.3	SvGETMAGIC (fh);
54	root	1.1
55	root	1.3	if (SvROK (fh))
56			fh = SvRV (fh);
57	root	1.1
58	root	1.3	if (SvTYPE (fh) == SVt_PVGV)
59			return PerlIO_fileno (IoIFP (sv_2io (fh)));
60	root	1.1
61	root	1.3	if (SvIOK (fh))
62			return SvIV (fh);
63	root	1.1
64			return -1;
65			}
66
67	root	1.15	static void *
68			e_new (int size, SV *cb_sv)
69	root	1.1	{
70	root	1.15	struct ev_watcher *w;
71			SV *self = NEWSV (0, size);
72	root	1.1	SvPOK_only (self);
73	root	1.15	SvCUR_set (self, size);
74	root	1.1
75	root	1.15	w = (struct ev_watcher *)SvPVX (self);
76	root	1.1
77	root	1.15	evw_init (w, e_cb);
78	root	1.1
79	root	1.15	w->fh = 0;
80			w->cb_sv = newSVsv (cb_sv);
81			w->self = self;
82	root	1.1
83	root	1.15	return (void *)w;
84	root	1.1	}
85
86	root	1.15	static SV *
87			e_bless (struct ev_watcher w, HV stash)
88	root	1.1	{
89			SV *rv;
90
91	root	1.15	if (SvOBJECT (w->self))
92			rv = newRV_inc (w->self);
93	root	1.1	else
94			{
95	root	1.15	rv = newRV_noinc (w->self);
96			sv_bless (rv, stash);
97			SvREADONLY_on (w->self);
98	root	1.1	}
99
100			return rv;
101			}
102
103			static void
104	root	1.15	e_cb (struct ev_watcher *w, int revents)
105	root	1.1	{
106			dSP;
107	root	1.14	I32 mark = SP - PL_stack_base;
108			SV sv_self, sv_events;
109			static SV *sv_events_cache;
110	root	1.1
111	root	1.15	sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
112	root	1.14
113			if (sv_events_cache)
114			{
115			sv_events = sv_events_cache; sv_events_cache = 0;
116	root	1.15	SvIV_set (sv_events, revents);
117	root	1.14	}
118			else
119	root	1.15	sv_events = newSViv (revents);
120	root	1.14
121	root	1.1	PUSHMARK (SP);
122			EXTEND (SP, 2);
123	root	1.14	PUSHs (sv_self);
124			PUSHs (sv_events);
125	root	1.1	PUTBACK;
126	root	1.15	call_sv (w->cb_sv, G_DISCARD \| G_VOID \| G_EVAL);
127	root	1.14	SP = PL_stack_base + mark; PUTBACK;
128
129			SvREFCNT_dec (sv_self);
130
131			if (sv_events_cache)
132			SvREFCNT_dec (sv_events);
133			else
134			sv_events_cache = sv_events;
135	root	1.1
136	root	1.8	if (SvTRUE (ERRSV))
137			{
138			PUSHMARK (SP);
139			PUTBACK;
140			call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
141	root	1.14	SP = PL_stack_base + mark; PUTBACK;
142	root	1.8	}
143	root	1.1	}
144
145	root	1.15	#if 0
146	root	1.1	/////////////////////////////////////////////////////////////////////////////
147			// DNS
148
149			static void
150			dns_cb (int result, char type, int count, int ttl, void addresses, void arg)
151			{
152			dSP;
153			SV cb = (SV )arg;
154
155			ENTER;
156			SAVETMPS;
157			PUSHMARK (SP);
158			EXTEND (SP, count + 3);
159			PUSHs (sv_2mortal (newSViv (result)));
160
161			if (result == DNS_ERR_NONE && ttl >= 0)
162			{
163			int i;
164
165			PUSHs (sv_2mortal (newSViv (type)));
166			PUSHs (sv_2mortal (newSViv (ttl)));
167
168			for (i = 0; i < count; ++i)
169			switch (type)
170			{
171			case DNS_IPv6_AAAA:
172			PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
173			break;
174			case DNS_IPv4_A:
175			PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
176			break;
177			case DNS_PTR:
178			PUSHs (sv_2mortal (newSVpv ((char *)addresses, 0)));
179			break;
180			}
181			}
182
183			PUTBACK;
184			call_sv (sv_2mortal (cb), G_DISCARD \| G_VOID \| G_EVAL);
185
186			FREETMPS;
187	root	1.8
188			if (SvTRUE (ERRSV))
189			{
190			PUSHMARK (SP);
191			PUTBACK;
192			call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
193			}
194
195	root	1.1	LEAVE;
196			}
197	root	1.15	#endif
198	root	1.1
199	root	1.18	#define CHECK_REPEAT(repeat) if (repeat < 0.) \
200			croak (# repeat " value must be >= 0");
201
202	root	1.1	/////////////////////////////////////////////////////////////////////////////
203			// XS interface functions
204
205	root	1.15	MODULE = EV PACKAGE = EV PREFIX = ev_
206	root	1.1
207	root	1.21	PROTOTYPES: ENABLE
208
209	root	1.1	BOOT:
210			{
211	root	1.10	int i;
212	root	1.1	HV *stash = gv_stashpv ("EV", 1);
213
214			static const struct {
215			const char *name;
216			IV iv;
217			} *civ, const_iv[] = {
218			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
219	root	1.20	const_iv (EV_, UNDEF)
220	root	1.1	const_iv (EV_, NONE)
221			const_iv (EV_, TIMEOUT)
222			const_iv (EV_, READ)
223			const_iv (EV_, WRITE)
224			const_iv (EV_, SIGNAL)
225	root	1.15	const_iv (EV_, IDLE)
226			const_iv (EV_, CHECK)
227	root	1.20	const_iv (EV_, ERROR)
228	root	1.15
229			const_iv (EV, LOOP_ONESHOT)
230	root	1.1	const_iv (EV, LOOP_NONBLOCK)
231	root	1.15
232			const_iv (EV, METHOD_NONE)
233			const_iv (EV, METHOD_SELECT)
234			const_iv (EV, METHOD_EPOLL)
235	root	1.1	};
236
237			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
238			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
239
240	root	1.15	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
241			stash_io = gv_stashpv ("EV::IO" , 1);
242			stash_time = gv_stashpv ("EV::Time" , 1);
243			stash_timer = gv_stashpv ("EV::Timer" , 1);
244			stash_periodic = gv_stashpv ("EV::Periodic", 1);
245			stash_signal = gv_stashpv ("EV::Signal" , 1);
246			stash_idle = gv_stashpv ("EV::Idle" , 1);
247	root	1.22	stash_prepare = gv_stashpv ("EV::Prepare" , 1);
248	root	1.15	stash_check = gv_stashpv ("EV::Check" , 1);
249	root	1.11
250			{
251			SV *sv = perl_get_sv ("EV::API", TRUE);
252			perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
253
254	root	1.15	/* the poor man's shared library emulator */
255			evapi.ver = EV_API_VERSION;
256			evapi.rev = EV_API_REVISION;
257			evapi.sv_fileno = sv_fileno;
258			evapi.sv_signum = sv_signum;
259			evapi.now = &ev_now;
260			evapi.method = &ev_method;
261			evapi.loop_done = &ev_loop_done;
262			evapi.time = ev_time;
263			evapi.loop = ev_loop;
264	root	1.20	evapi.once = ev_once;
265	root	1.15	evapi.io_start = evio_start;
266			evapi.io_stop = evio_stop;
267			evapi.timer_start = evtimer_start;
268			evapi.timer_stop = evtimer_stop;
269	root	1.17	evapi.timer_again = evtimer_again;
270	root	1.15	evapi.periodic_start = evperiodic_start;
271			evapi.periodic_stop = evperiodic_stop;
272			evapi.signal_start = evsignal_start;
273			evapi.signal_stop = evsignal_stop;
274			evapi.idle_start = evidle_start;
275			evapi.idle_stop = evidle_stop;
276	root	1.22	evapi.prepare_start = evprepare_start;
277			evapi.prepare_stop = evprepare_stop;
278	root	1.15	evapi.check_start = evcheck_start;
279			evapi.check_stop = evcheck_stop;
280	root	1.11
281			sv_setiv (sv, (IV)&evapi);
282			SvREADONLY_on (sv);
283			}
284	root	1.1	}
285
286	root	1.15	NV ev_now ()
287	root	1.1	CODE:
288	root	1.15	RETVAL = ev_now;
289	root	1.1	OUTPUT:
290			RETVAL
291
292	root	1.15	int ev_method ()
293	root	1.1	CODE:
294	root	1.15	RETVAL = ev_method;
295	root	1.1	OUTPUT:
296			RETVAL
297
298	root	1.15	NV ev_time ()
299	root	1.1
300	root	1.15	void ev_init (int flags = 0)
301	root	1.1
302	root	1.15	void ev_loop (int flags = 0)
303	root	1.1
304	root	1.15	void ev_loop_done (int value = 1)
305	root	1.1	CODE:
306	root	1.15	ev_loop_done = value;
307	root	1.1
308	root	1.15	struct ev_io io (SV fh, int events, SV *cb)
309			ALIAS:
310			io_ns = 1
311	root	1.1	CODE:
312	root	1.15	RETVAL = e_new (sizeof (struct ev_io), cb);
313			RETVAL->fh = newSVsv (fh);
314			evio_set (RETVAL, sv_fileno (RETVAL->fh), events);
315			if (!ix) evio_start (RETVAL);
316	root	1.1	OUTPUT:
317			RETVAL
318
319	root	1.15	struct ev_timer timer (NV after, NV repeat, SV cb)
320	root	1.1	ALIAS:
321	root	1.15	timer_ns = 1
322	root	1.18	INIT:
323			CHECK_REPEAT (repeat);
324	root	1.1	CODE:
325	root	1.15	RETVAL = e_new (sizeof (struct ev_timer), cb);
326			evtimer_set (RETVAL, after, repeat);
327			if (!ix) evtimer_start (RETVAL);
328	root	1.1	OUTPUT:
329			RETVAL
330
331	root	1.15	struct ev_periodic periodic (NV at, NV interval, SV cb)
332	root	1.9	ALIAS:
333	root	1.15	periodic_ns = 1
334	root	1.18	INIT:
335			CHECK_REPEAT (interval);
336	root	1.9	CODE:
337	root	1.15	RETVAL = e_new (sizeof (struct ev_periodic), cb);
338			evperiodic_set (RETVAL, at, interval);
339			if (!ix) evperiodic_start (RETVAL);
340	root	1.9	OUTPUT:
341			RETVAL
342
343	root	1.15	struct ev_signal signal (Signal signum, SV cb)
344	root	1.1	ALIAS:
345	root	1.15	signal_ns = 1
346	root	1.1	CODE:
347	root	1.15	RETVAL = e_new (sizeof (struct ev_signal), cb);
348			evsignal_set (RETVAL, signum);
349			if (!ix) evsignal_start (RETVAL);
350	root	1.1	OUTPUT:
351			RETVAL
352
353	root	1.15	struct ev_idle idle (SV cb)
354	root	1.1	ALIAS:
355	root	1.15	idle_ns = 1
356	root	1.1	CODE:
357	root	1.15	RETVAL = e_new (sizeof (struct ev_idle), cb);
358			evidle_set (RETVAL);
359			if (!ix) evidle_start (RETVAL);
360	root	1.1	OUTPUT:
361			RETVAL
362
363	root	1.22	struct ev_prepare prepare (SV cb)
364			ALIAS:
365			prepare_ns = 1
366			CODE:
367			RETVAL = e_new (sizeof (struct ev_prepare), cb);
368			evprepare_set (RETVAL);
369			if (!ix) evprepare_start (RETVAL);
370			OUTPUT:
371			RETVAL
372
373	root	1.15	struct ev_check check (SV cb)
374	root	1.1	ALIAS:
375	root	1.15	check_ns = 1
376	root	1.1	CODE:
377	root	1.15	RETVAL = e_new (sizeof (struct ev_check), cb);
378			evcheck_set (RETVAL);
379			if (!ix) evcheck_start (RETVAL);
380	root	1.1	OUTPUT:
381			RETVAL
382
383	root	1.15
384	root	1.1	PROTOTYPES: DISABLE
385
386	root	1.15	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
387	root	1.1
388	root	1.15	int ev_is_active (struct ev_watcher *w)
389	root	1.1
390	root	1.15	SV cb (struct ev_watcher w, SV *new_cb = 0)
391	root	1.1	CODE:
392	root	1.15	{
393			RETVAL = newSVsv (w->cb_sv);
394
395			if (items > 1)
396			sv_setsv (w->cb_sv, new_cb);
397			}
398	root	1.1	OUTPUT:
399			RETVAL
400
401	root	1.15	MODULE = EV PACKAGE = EV::IO PREFIX = evio_
402	root	1.1
403	root	1.15	void evio_start (struct ev_io *w)
404	root	1.1
405	root	1.15	void evio_stop (struct ev_io *w)
406
407			void set (struct ev_io w, SV fh, int events)
408	root	1.1	CODE:
409			{
410	root	1.15	int active = w->active;
411			if (active) evio_stop (w);
412	root	1.1
413	root	1.15	sv_setsv (w->fh, fh);
414			evio_set (w, sv_fileno (w->fh), events);
415	root	1.1
416	root	1.15	if (active) evio_start (w);
417			}
418	root	1.1
419	root	1.15	SV fh (struct ev_io w, SV *new_fh = 0)
420	root	1.1	CODE:
421	root	1.15	{
422			RETVAL = newSVsv (w->fh);
423	root	1.1
424	root	1.15	if (items > 1)
425			{
426			int active = w->active;
427			if (active) evio_stop (w);
428	root	1.1
429	root	1.15	sv_setsv (w->fh, new_fh);
430			evio_set (w, sv_fileno (w->fh), w->events);
431	root	1.1
432	root	1.15	if (active) evio_start (w);
433			}
434			}
435	root	1.1	OUTPUT:
436			RETVAL
437
438	root	1.15	short events (struct ev_io *w, short new_events = EV_UNDEF)
439	root	1.1	CODE:
440	root	1.15	{
441			RETVAL = w->events;
442
443			if (items > 1)
444			{
445			int active = w->active;
446			if (active) evio_stop (w);
447
448			evio_set (w, w->fd, new_events);
449
450			if (active) evio_start (w);
451			}
452			}
453	root	1.1	OUTPUT:
454			RETVAL
455
456	root	1.15	MODULE = EV PACKAGE = EV::Signal PREFIX = evsignal_
457
458			void evsignal_start (struct ev_signal *w)
459
460			void evsignal_stop (struct ev_signal *w)
461
462			void set (struct ev_signal w, SV signal = 0)
463	root	1.1	CODE:
464	root	1.15	{
465			Signal signum = sv_signum (signal); /* may croak here */
466			int active = w->active;
467
468			if (active) evsignal_stop (w);
469			evsignal_set (w, signum);
470			if (active) evsignal_start (w);
471			}
472
473			MODULE = EV PACKAGE = EV::Time
474
475			MODULE = EV PACKAGE = EV::Timer PREFIX = evtimer_
476
477			void evtimer_start (struct ev_timer *w)
478	root	1.18	INIT:
479			CHECK_REPEAT (w->repeat);
480	root	1.15
481			void evtimer_stop (struct ev_timer *w)
482	root	1.1
483	root	1.17	void evtimer_again (struct ev_timer *w)
484	root	1.18	INIT:
485			CHECK_REPEAT (w->repeat);
486	root	1.17
487	root	1.15	void set (struct ev_timer *w, NV after, NV repeat = 0.)
488	root	1.18	INIT:
489			CHECK_REPEAT (repeat);
490	root	1.1	CODE:
491	root	1.15	{
492			int active = w->active;
493			if (active) evtimer_stop (w);
494			evtimer_set (w, after, repeat);
495			if (active) evtimer_start (w);
496			}
497	root	1.1
498	root	1.15	MODULE = EV PACKAGE = EV::Periodic PREFIX = evperiodic_
499
500			void evperiodic_start (struct ev_periodic *w)
501	root	1.18	INIT:
502			CHECK_REPEAT (w->interval);
503	root	1.1
504	root	1.15	void evperiodic_stop (struct ev_periodic *w)
505	root	1.1
506	root	1.15	void set (struct ev_periodic *w, NV at, NV interval = 0.)
507	root	1.18	INIT:
508			CHECK_REPEAT (interval);
509	root	1.10	CODE:
510			{
511	root	1.15	int active = w->active;
512			if (active) evperiodic_stop (w);
513			evperiodic_set (w, at, interval);
514			if (active) evperiodic_start (w);
515			}
516	root	1.10
517	root	1.15	MODULE = EV PACKAGE = EV::Idle PREFIX = evidle_
518	root	1.10
519	root	1.15	void evidle_start (struct ev_idle *w)
520	root	1.10
521	root	1.15	void evidle_stop (struct ev_idle *w)
522	root	1.10
523	root	1.22	MODULE = EV PACKAGE = EV::Prepare PREFIX = evcheck_
524
525			void evprepare_start (struct ev_prepare *w)
526
527			void evprepare_stop (struct ev_prepare *w)
528
529	root	1.15	MODULE = EV PACKAGE = EV::Check PREFIX = evcheck_
530	root	1.1
531	root	1.15	void evcheck_start (struct ev_check *w)
532	root	1.1
533	root	1.15	void evcheck_stop (struct ev_check *w)
534	root	1.1
535	root	1.15	#if 0
536	root	1.1
537			MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
538
539			BOOT:
540			{
541			HV *stash = gv_stashpv ("EV::DNS", 1);
542
543			static const struct {
544			const char *name;
545			IV iv;
546			} *civ, const_iv[] = {
547			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
548			const_iv (DNS_, ERR_NONE)
549			const_iv (DNS_, ERR_FORMAT)
550			const_iv (DNS_, ERR_SERVERFAILED)
551			const_iv (DNS_, ERR_NOTEXIST)
552			const_iv (DNS_, ERR_NOTIMPL)
553			const_iv (DNS_, ERR_REFUSED)
554			const_iv (DNS_, ERR_TRUNCATED)
555			const_iv (DNS_, ERR_UNKNOWN)
556			const_iv (DNS_, ERR_TIMEOUT)
557			const_iv (DNS_, ERR_SHUTDOWN)
558			const_iv (DNS_, IPv4_A)
559			const_iv (DNS_, PTR)
560			const_iv (DNS_, IPv6_AAAA)
561			const_iv (DNS_, QUERY_NO_SEARCH)
562			const_iv (DNS_, OPTION_SEARCH)
563			const_iv (DNS_, OPTION_NAMESERVERS)
564			const_iv (DNS_, OPTION_MISC)
565			const_iv (DNS_, OPTIONS_ALL)
566			const_iv (DNS_, NO_SEARCH)
567			};
568
569			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
570			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
571			}
572
573			int evdns_init ()
574
575			void evdns_shutdown (int fail_requests = 1)
576
577			const char *evdns_err_to_string (int err)
578
579			int evdns_nameserver_add (U32 address)
580
581			int evdns_count_nameservers ()
582
583			int evdns_clear_nameservers_and_suspend ()
584
585			int evdns_resume ()
586
587			int evdns_nameserver_ip_add (char *ip_as_string)
588
589			int evdns_resolve_ipv4 (const char name, int flags, SV cb)
590			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
591
592			int evdns_resolve_ipv6 (const char name, int flags, SV cb)
593			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
594
595			int evdns_resolve_reverse (SV addr, int flags, SV cb)
596			ALIAS:
597			evdns_resolve_reverse_ipv6 = 1
598			CODE:
599			{
600			STRLEN len;
601			char *data = SvPVbyte (addr, len);
602			if (len != (ix ? 16 : 4))
603	root	1.8	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
604	root	1.1
605			RETVAL = ix
606			? evdns_resolve_reverse_ipv6 ((struct in6_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb))
607			: evdns_resolve_reverse ((struct in_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb));
608			}
609			OUTPUT:
610			RETVAL
611
612			int evdns_set_option (char option, char val, int flags)
613
614			int evdns_resolv_conf_parse (int flags, const char *filename)
615
616			#ifdef MS_WINDOWS
617
618			int evdns_config_windows_nameservers ()
619
620			#endif
621
622			void evdns_search_clear ()
623
624			void evdns_search_add (char *domain)
625
626			void evdns_search_ndots_set (int ndots)
627
628	root	1.5
629			MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
630
631			BOOT:
632			{
633			HV *stash = gv_stashpv ("EV::HTTP", 1);
634
635			static const struct {
636			const char *name;
637			IV iv;
638			} *civ, const_iv[] = {
639			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
640			const_iv (HTTP_, OK)
641			const_iv (HTTP_, NOCONTENT)
642			const_iv (HTTP_, MOVEPERM)
643			const_iv (HTTP_, MOVETEMP)
644			const_iv (HTTP_, NOTMODIFIED)
645			const_iv (HTTP_, BADREQUEST)
646			const_iv (HTTP_, NOTFOUND)
647			const_iv (HTTP_, SERVUNAVAIL)
648			const_iv (EVHTTP_, REQ_OWN_CONNECTION)
649			const_iv (EVHTTP_, PROXY_REQUEST)
650			const_iv (EVHTTP_, REQ_GET)
651			const_iv (EVHTTP_, REQ_POST)
652			const_iv (EVHTTP_, REQ_HEAD)
653			const_iv (EVHTTP_, REQUEST)
654			const_iv (EVHTTP_, RESPONSE)
655			};
656
657			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
658			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
659			}
660
661			MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
662
663			#HttpRequest new (SV klass, SV cb)
664
665			#void DESTROY (struct evhttp_request *req);
666
667	root	1.15	#endif
668
669	root	1.5
670
671
672
673
674
675