EV/EV.xs

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

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

#define TIMEOUT_NONE HUGE_VAL

#define EV_COMMON                       \
  SV *self; /* contains this struct */  \
  SV *cb_sv, *fh;

#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_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;
}

static void
api_once (int fd, short events, double timeout, void (*cb)(int, short, void *), void *arg)
{
#if 0
  if (timeout >= 0.)
    {
      struct timeval tv;
      tv_set (&tv, timeout);
      event_once (fd, events, cb, arg, &tv);
    }
  else
    event_once (fd, events, cb, arg, 0);
#endif
}

/////////////////////////////////////////////////////////////////////////////
// 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_

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_, 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, 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_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.once           = api_once;
    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.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.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_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::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:	1.18
Committed:	Wed Oct 31 11:55:42 2007 UTC (16 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.17:	+17 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#include "EXTERN.h"
2			#include "perl.h"
3			#include "XSUB.h"
4
5			#include <math.h>
6			#include <netinet/in.h>
7
8	root	1.15	#define TIMEOUT_NONE HUGE_VAL
9	root	1.1
10	root	1.15	#define EV_COMMON \
11			SV self; / contains this struct */ \
12			SV cb_sv, fh;
13	root	1.1
14	root	1.11	#include "EV/EVAPI.h"
15
16	root	1.16	#include "libev/ev.c"
17
18	root	1.10	typedef int Signal;
19	root	1.1
20	root	1.11	static struct EVAPI evapi;
21
22	root	1.15	static HV
23			*stash_watcher,
24			*stash_io,
25			*stash_time,
26			*stash_timer,
27			*stash_periodic,
28			*stash_signal,
29			*stash_idle,
30			*stash_check;
31	root	1.1
32	root	1.10	static int
33			sv_signum (SV *sig)
34			{
35			int signum;
36
37			if (SvIV (sig) > 0)
38			return SvIV (sig);
39
40			for (signum = 1; signum < SIG_SIZE; ++signum)
41			if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
42			return signum;
43
44			return -1;
45			}
46
47	root	1.11	static void
48			api_once (int fd, short events, double timeout, void (cb)(int, short, void ), void *arg)
49			{
50	root	1.15	#if 0
51	root	1.12	if (timeout >= 0.)
52	root	1.11	{
53			struct timeval tv;
54			tv_set (&tv, timeout);
55			event_once (fd, events, cb, arg, &tv);
56			}
57			else
58			event_once (fd, events, cb, arg, 0);
59	root	1.15	#endif
60	root	1.11	}
61
62	root	1.1	/////////////////////////////////////////////////////////////////////////////
63			// Event
64
65	root	1.15	static void e_cb (struct ev_watcher *w, int revents);
66	root	1.1
67	root	1.15	static int
68			sv_fileno (SV *fh)
69	root	1.1	{
70	root	1.3	SvGETMAGIC (fh);
71	root	1.1
72	root	1.3	if (SvROK (fh))
73			fh = SvRV (fh);
74	root	1.1
75	root	1.3	if (SvTYPE (fh) == SVt_PVGV)
76			return PerlIO_fileno (IoIFP (sv_2io (fh)));
77	root	1.1
78	root	1.3	if (SvIOK (fh))
79			return SvIV (fh);
80	root	1.1
81			return -1;
82			}
83
84	root	1.15	static void *
85			e_new (int size, SV *cb_sv)
86	root	1.1	{
87	root	1.15	struct ev_watcher *w;
88			SV *self = NEWSV (0, size);
89	root	1.1	SvPOK_only (self);
90	root	1.15	SvCUR_set (self, size);
91	root	1.1
92	root	1.15	w = (struct ev_watcher *)SvPVX (self);
93	root	1.1
94	root	1.15	evw_init (w, e_cb);
95	root	1.1
96	root	1.15	w->fh = 0;
97			w->cb_sv = newSVsv (cb_sv);
98			w->self = self;
99	root	1.1
100	root	1.15	return (void *)w;
101	root	1.1	}
102
103	root	1.15	static SV *
104			e_bless (struct ev_watcher w, HV stash)
105	root	1.1	{
106			SV *rv;
107
108	root	1.15	if (SvOBJECT (w->self))
109			rv = newRV_inc (w->self);
110	root	1.1	else
111			{
112	root	1.15	rv = newRV_noinc (w->self);
113			sv_bless (rv, stash);
114			SvREADONLY_on (w->self);
115	root	1.1	}
116
117			return rv;
118			}
119
120			static void
121	root	1.15	e_cb (struct ev_watcher *w, int revents)
122	root	1.1	{
123			dSP;
124	root	1.14	I32 mark = SP - PL_stack_base;
125			SV sv_self, sv_events;
126			static SV *sv_events_cache;
127	root	1.1
128	root	1.15	sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
129	root	1.14
130			if (sv_events_cache)
131			{
132			sv_events = sv_events_cache; sv_events_cache = 0;
133	root	1.15	SvIV_set (sv_events, revents);
134	root	1.14	}
135			else
136	root	1.15	sv_events = newSViv (revents);
137	root	1.14
138	root	1.1	PUSHMARK (SP);
139			EXTEND (SP, 2);
140	root	1.14	PUSHs (sv_self);
141			PUSHs (sv_events);
142	root	1.1	PUTBACK;
143	root	1.15	call_sv (w->cb_sv, G_DISCARD \| G_VOID \| G_EVAL);
144	root	1.14	SP = PL_stack_base + mark; PUTBACK;
145
146			SvREFCNT_dec (sv_self);
147
148			if (sv_events_cache)
149			SvREFCNT_dec (sv_events);
150			else
151			sv_events_cache = sv_events;
152	root	1.1
153	root	1.8	if (SvTRUE (ERRSV))
154			{
155			PUSHMARK (SP);
156			PUTBACK;
157			call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
158	root	1.14	SP = PL_stack_base + mark; PUTBACK;
159	root	1.8	}
160	root	1.1	}
161
162	root	1.15	#if 0
163	root	1.1	/////////////////////////////////////////////////////////////////////////////
164			// DNS
165
166			static void
167			dns_cb (int result, char type, int count, int ttl, void addresses, void arg)
168			{
169			dSP;
170			SV cb = (SV )arg;
171
172			ENTER;
173			SAVETMPS;
174			PUSHMARK (SP);
175			EXTEND (SP, count + 3);
176			PUSHs (sv_2mortal (newSViv (result)));
177
178			if (result == DNS_ERR_NONE && ttl >= 0)
179			{
180			int i;
181
182			PUSHs (sv_2mortal (newSViv (type)));
183			PUSHs (sv_2mortal (newSViv (ttl)));
184
185			for (i = 0; i < count; ++i)
186			switch (type)
187			{
188			case DNS_IPv6_AAAA:
189			PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
190			break;
191			case DNS_IPv4_A:
192			PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
193			break;
194			case DNS_PTR:
195			PUSHs (sv_2mortal (newSVpv ((char *)addresses, 0)));
196			break;
197			}
198			}
199
200			PUTBACK;
201			call_sv (sv_2mortal (cb), G_DISCARD \| G_VOID \| G_EVAL);
202
203			FREETMPS;
204	root	1.8
205			if (SvTRUE (ERRSV))
206			{
207			PUSHMARK (SP);
208			PUTBACK;
209			call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
210			}
211
212	root	1.1	LEAVE;
213			}
214	root	1.15	#endif
215	root	1.1
216	root	1.18	#define CHECK_REPEAT(repeat) if (repeat < 0.) \
217			croak (# repeat " value must be >= 0");
218
219	root	1.1	/////////////////////////////////////////////////////////////////////////////
220			// XS interface functions
221
222	root	1.15	MODULE = EV PACKAGE = EV PREFIX = ev_
223	root	1.1
224			BOOT:
225			{
226	root	1.10	int i;
227	root	1.1	HV *stash = gv_stashpv ("EV", 1);
228
229			static const struct {
230			const char *name;
231			IV iv;
232			} *civ, const_iv[] = {
233			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
234			const_iv (EV_, NONE)
235			const_iv (EV_, TIMEOUT)
236			const_iv (EV_, READ)
237			const_iv (EV_, WRITE)
238			const_iv (EV_, SIGNAL)
239	root	1.15	const_iv (EV_, IDLE)
240			const_iv (EV_, CHECK)
241
242			const_iv (EV, LOOP_ONESHOT)
243	root	1.1	const_iv (EV, LOOP_NONBLOCK)
244	root	1.15
245			const_iv (EV, METHOD_NONE)
246			const_iv (EV, METHOD_SELECT)
247			const_iv (EV, METHOD_EPOLL)
248	root	1.1	};
249
250			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
251			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
252
253	root	1.15	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
254			stash_io = gv_stashpv ("EV::IO" , 1);
255			stash_time = gv_stashpv ("EV::Time" , 1);
256			stash_timer = gv_stashpv ("EV::Timer" , 1);
257			stash_periodic = gv_stashpv ("EV::Periodic", 1);
258			stash_signal = gv_stashpv ("EV::Signal" , 1);
259			stash_idle = gv_stashpv ("EV::Idle" , 1);
260			stash_check = gv_stashpv ("EV::Check" , 1);
261	root	1.11
262			{
263			SV *sv = perl_get_sv ("EV::API", TRUE);
264			perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
265
266	root	1.15	/* the poor man's shared library emulator */
267			evapi.ver = EV_API_VERSION;
268			evapi.rev = EV_API_REVISION;
269			evapi.once = api_once;
270			evapi.sv_fileno = sv_fileno;
271			evapi.sv_signum = sv_signum;
272			evapi.now = &ev_now;
273			evapi.method = &ev_method;
274			evapi.loop_done = &ev_loop_done;
275			evapi.time = ev_time;
276			evapi.loop = ev_loop;
277			evapi.io_start = evio_start;
278			evapi.io_stop = evio_stop;
279			evapi.timer_start = evtimer_start;
280			evapi.timer_stop = evtimer_stop;
281	root	1.17	evapi.timer_again = evtimer_again;
282	root	1.15	evapi.periodic_start = evperiodic_start;
283			evapi.periodic_stop = evperiodic_stop;
284			evapi.signal_start = evsignal_start;
285			evapi.signal_stop = evsignal_stop;
286			evapi.idle_start = evidle_start;
287			evapi.idle_stop = evidle_stop;
288			evapi.check_start = evcheck_start;
289			evapi.check_stop = evcheck_stop;
290	root	1.11
291			sv_setiv (sv, (IV)&evapi);
292			SvREADONLY_on (sv);
293			}
294	root	1.1	}
295
296	root	1.15	NV ev_now ()
297	root	1.1	CODE:
298	root	1.15	RETVAL = ev_now;
299	root	1.1	OUTPUT:
300			RETVAL
301
302	root	1.15	int ev_method ()
303	root	1.1	CODE:
304	root	1.15	RETVAL = ev_method;
305	root	1.1	OUTPUT:
306			RETVAL
307
308	root	1.15	NV ev_time ()
309	root	1.1
310	root	1.15	void ev_init (int flags = 0)
311	root	1.1
312	root	1.15	void ev_loop (int flags = 0)
313	root	1.1
314	root	1.15	void ev_loop_done (int value = 1)
315	root	1.1	CODE:
316	root	1.15	ev_loop_done = value;
317	root	1.1
318	root	1.15	struct ev_io io (SV fh, int events, SV *cb)
319			ALIAS:
320			io_ns = 1
321	root	1.1	CODE:
322	root	1.15	RETVAL = e_new (sizeof (struct ev_io), cb);
323			RETVAL->fh = newSVsv (fh);
324			evio_set (RETVAL, sv_fileno (RETVAL->fh), events);
325			if (!ix) evio_start (RETVAL);
326	root	1.1	OUTPUT:
327			RETVAL
328
329	root	1.15	struct ev_timer timer (NV after, NV repeat, SV cb)
330	root	1.1	ALIAS:
331	root	1.15	timer_ns = 1
332	root	1.18	INIT:
333			CHECK_REPEAT (repeat);
334	root	1.1	CODE:
335	root	1.15	RETVAL = e_new (sizeof (struct ev_timer), cb);
336			evtimer_set (RETVAL, after, repeat);
337			if (!ix) evtimer_start (RETVAL);
338	root	1.1	OUTPUT:
339			RETVAL
340
341	root	1.15	struct ev_periodic periodic (NV at, NV interval, SV cb)
342	root	1.9	ALIAS:
343	root	1.15	periodic_ns = 1
344	root	1.18	INIT:
345			CHECK_REPEAT (interval);
346	root	1.9	CODE:
347	root	1.15	RETVAL = e_new (sizeof (struct ev_periodic), cb);
348			evperiodic_set (RETVAL, at, interval);
349			if (!ix) evperiodic_start (RETVAL);
350	root	1.9	OUTPUT:
351			RETVAL
352
353	root	1.15	struct ev_signal signal (Signal signum, SV cb)
354	root	1.1	ALIAS:
355	root	1.15	signal_ns = 1
356	root	1.1	CODE:
357	root	1.15	RETVAL = e_new (sizeof (struct ev_signal), cb);
358			evsignal_set (RETVAL, signum);
359			if (!ix) evsignal_start (RETVAL);
360	root	1.1	OUTPUT:
361			RETVAL
362
363	root	1.15	struct ev_idle idle (SV cb)
364	root	1.1	ALIAS:
365	root	1.15	idle_ns = 1
366	root	1.1	CODE:
367	root	1.15	RETVAL = e_new (sizeof (struct ev_idle), cb);
368			evidle_set (RETVAL);
369			if (!ix) evidle_start (RETVAL);
370	root	1.1	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	1.15	MODULE = EV PACKAGE = EV::Check PREFIX = evcheck_
524	root	1.1
525	root	1.15	void evcheck_start (struct ev_check *w)
526	root	1.1
527	root	1.15	void evcheck_stop (struct ev_check *w)
528	root	1.1
529	root	1.15	#if 0
530	root	1.1
531			MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
532
533			BOOT:
534			{
535			HV *stash = gv_stashpv ("EV::DNS", 1);
536
537			static const struct {
538			const char *name;
539			IV iv;
540			} *civ, const_iv[] = {
541			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
542			const_iv (DNS_, ERR_NONE)
543			const_iv (DNS_, ERR_FORMAT)
544			const_iv (DNS_, ERR_SERVERFAILED)
545			const_iv (DNS_, ERR_NOTEXIST)
546			const_iv (DNS_, ERR_NOTIMPL)
547			const_iv (DNS_, ERR_REFUSED)
548			const_iv (DNS_, ERR_TRUNCATED)
549			const_iv (DNS_, ERR_UNKNOWN)
550			const_iv (DNS_, ERR_TIMEOUT)
551			const_iv (DNS_, ERR_SHUTDOWN)
552			const_iv (DNS_, IPv4_A)
553			const_iv (DNS_, PTR)
554			const_iv (DNS_, IPv6_AAAA)
555			const_iv (DNS_, QUERY_NO_SEARCH)
556			const_iv (DNS_, OPTION_SEARCH)
557			const_iv (DNS_, OPTION_NAMESERVERS)
558			const_iv (DNS_, OPTION_MISC)
559			const_iv (DNS_, OPTIONS_ALL)
560			const_iv (DNS_, NO_SEARCH)
561			};
562
563			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
564			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
565			}
566
567			int evdns_init ()
568
569			void evdns_shutdown (int fail_requests = 1)
570
571			const char *evdns_err_to_string (int err)
572
573			int evdns_nameserver_add (U32 address)
574
575			int evdns_count_nameservers ()
576
577			int evdns_clear_nameservers_and_suspend ()
578
579			int evdns_resume ()
580
581			int evdns_nameserver_ip_add (char *ip_as_string)
582
583			int evdns_resolve_ipv4 (const char name, int flags, SV cb)
584			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
585
586			int evdns_resolve_ipv6 (const char name, int flags, SV cb)
587			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
588
589			int evdns_resolve_reverse (SV addr, int flags, SV cb)
590			ALIAS:
591			evdns_resolve_reverse_ipv6 = 1
592			CODE:
593			{
594			STRLEN len;
595			char *data = SvPVbyte (addr, len);
596			if (len != (ix ? 16 : 4))
597	root	1.8	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
598	root	1.1
599			RETVAL = ix
600			? evdns_resolve_reverse_ipv6 ((struct in6_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb))
601			: evdns_resolve_reverse ((struct in_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb));
602			}
603			OUTPUT:
604			RETVAL
605
606			int evdns_set_option (char option, char val, int flags)
607
608			int evdns_resolv_conf_parse (int flags, const char *filename)
609
610			#ifdef MS_WINDOWS
611
612			int evdns_config_windows_nameservers ()
613
614			#endif
615
616			void evdns_search_clear ()
617
618			void evdns_search_add (char *domain)
619
620			void evdns_search_ndots_set (int ndots)
621
622	root	1.5
623			MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
624
625			BOOT:
626			{
627			HV *stash = gv_stashpv ("EV::HTTP", 1);
628
629			static const struct {
630			const char *name;
631			IV iv;
632			} *civ, const_iv[] = {
633			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
634			const_iv (HTTP_, OK)
635			const_iv (HTTP_, NOCONTENT)
636			const_iv (HTTP_, MOVEPERM)
637			const_iv (HTTP_, MOVETEMP)
638			const_iv (HTTP_, NOTMODIFIED)
639			const_iv (HTTP_, BADREQUEST)
640			const_iv (HTTP_, NOTFOUND)
641			const_iv (HTTP_, SERVUNAVAIL)
642			const_iv (EVHTTP_, REQ_OWN_CONNECTION)
643			const_iv (EVHTTP_, PROXY_REQUEST)
644			const_iv (EVHTTP_, REQ_GET)
645			const_iv (EVHTTP_, REQ_POST)
646			const_iv (EVHTTP_, REQ_HEAD)
647			const_iv (EVHTTP_, REQUEST)
648			const_iv (EVHTTP_, RESPONSE)
649			};
650
651			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
652			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
653			}
654
655			MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
656
657			#HttpRequest new (SV klass, SV cb)
658
659			#void DESTROY (struct evhttp_request *req);
660
661	root	1.15	#endif
662
663	root	1.5
664
665
666
667
668
669