EV/EV.xs

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

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

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

#include "libev/ev.c"
#include "libev/event.h"
#include "libev/event.c"
#include "libev/evdns.c"

typedef int Signal;

static struct EVAPI evapi;

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

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

  SvGETMAGIC (sig);

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

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

  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 ((SvIV (fh) >= 0) && (SvIV (fh) < 0x7ffffff))
    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);

  ev_watcher_init (w, e_cb);

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

  return (void *)w;
}

static void *
e_destroy (void *w_)
{
  struct ev_watcher *w = w_;

  SvREFCNT_dec (w->fh   ); w->fh    = 0;
  SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
}

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, *sv_status = 0;
  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);

  if (revents & EV_CHILD)
    XPUSHs (sv_status = newSViv (((struct ev_child *)w)->status));

  PUTBACK;
  call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
  SP = PL_stack_base + mark; PUTBACK;

  SvREFCNT_dec (sv_self);
  SvREFCNT_dec (sv_status);

  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;
    }
}

/////////////////////////////////////////////////////////////////////////////
// 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;
}

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

#define CHECK_FD(fh,fd) if ((fd) < 0) \
  croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));

/////////////////////////////////////////////////////////////////////////////
// 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_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);
  stash_child    = gv_stashpv ("EV::Child"   , 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       = ev_io_start;
    evapi.io_stop        = ev_io_stop;
    evapi.timer_start    = ev_timer_start;
    evapi.timer_stop     = ev_timer_stop;
    evapi.timer_again    = ev_timer_again;
    evapi.periodic_start = ev_periodic_start;
    evapi.periodic_stop  = ev_periodic_stop;
    evapi.signal_start   = ev_signal_start;
    evapi.signal_stop    = ev_signal_stop;
    evapi.idle_start     = ev_idle_start;
    evapi.idle_stop      = ev_idle_stop;
    evapi.prepare_start  = ev_prepare_start;
    evapi.prepare_stop   = ev_prepare_stop;
    evapi.check_start    = ev_check_start;
    evapi.check_stop     = ev_check_stop;
    evapi.child_start    = ev_child_start;
    evapi.child_stop     = ev_child_stop;

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

  pthread_atfork (ev_fork_prepare, ev_fork_parent, ev_fork_child);
}

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:
{
        int fd = sv_fileno (fh);
        CHECK_FD (fh, fd);

        RETVAL = e_new (sizeof (struct ev_io), cb);
        RETVAL->fh = newSVsv (fh);
        ev_io_set (RETVAL, fd, events);
        if (!ix) ev_io_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);
        ev_timer_set (RETVAL, after, repeat);
        if (!ix) ev_timer_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);
        ev_periodic_set (RETVAL, at, interval);
        if (!ix) ev_periodic_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);
        ev_signal_set (RETVAL, signum);
        if (!ix) ev_signal_start (RETVAL);
        OUTPUT:
        RETVAL

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

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

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

struct ev_child *child (int pid, SV *cb)
        ALIAS:
        check_ns = 1
        CODE:
        RETVAL = e_new (sizeof (struct ev_check), cb);
        ev_child_set (RETVAL, pid);
        if (!ix) ev_child_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

void trigger (struct ev_watcher *w, int revents = EV_NONE)
        CODE:
        w->cb (w, revents);

MODULE = EV             PACKAGE = EV::Io        PREFIX = ev_io_

void ev_io_start (struct ev_io *w)

void ev_io_stop (struct ev_io *w)

void DESTROY (struct ev_io *w)
        CODE:
        ev_io_stop (w);
        e_destroy (w);

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

        if (active) ev_io_stop (w);

        sv_setsv (w->fh, fh);
        ev_io_set (w, fd, events);

        if (active) ev_io_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) ev_io_stop (w);

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

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

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

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

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

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

MODULE = EV             PACKAGE = EV::Signal    PREFIX = ev_signal_

void ev_signal_start (struct ev_signal *w)

void ev_signal_stop (struct ev_signal *w)

void DESTROY (struct ev_signal *w)
        CODE:
        ev_signal_stop (w);
        e_destroy (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) ev_signal_stop (w);
        ev_signal_set (w, signum);
        if (active) ev_signal_start (w);
}

MODULE = EV             PACKAGE = EV::Time

MODULE = EV             PACKAGE = EV::Timer     PREFIX = ev_timer_

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

void ev_timer_stop (struct ev_timer *w)

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

void DESTROY (struct ev_timer *w)
        CODE:
        ev_timer_stop (w);
        e_destroy (w);

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

MODULE = EV             PACKAGE = EV::Periodic  PREFIX = ev_periodic_

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

void ev_periodic_stop (struct ev_periodic *w)

void DESTROY (struct ev_periodic *w)
        CODE:
        ev_periodic_stop (w);
        e_destroy (w);

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

MODULE = EV             PACKAGE = EV::Idle      PREFIX = ev_idle_

void ev_idle_start (struct ev_idle *w)

void ev_idle_stop (struct ev_idle *w)

void DESTROY (struct ev_idle *w)
        CODE:
        ev_idle_stop (w);
        e_destroy (w);

MODULE = EV             PACKAGE = EV::Prepare   PREFIX = ev_check_

void ev_prepare_start (struct ev_prepare *w)

void ev_prepare_stop (struct ev_prepare *w)

void DESTROY (struct ev_prepare *w)
        CODE:
        ev_prepare_stop (w);
        e_destroy (w);

MODULE = EV             PACKAGE = EV::Check     PREFIX = ev_check_

void ev_check_start (struct ev_check *w)

void ev_check_stop (struct ev_check *w)

void DESTROY (struct ev_check *w)
        CODE:
        ev_check_stop (w);
        e_destroy (w);

MODULE = EV             PACKAGE = EV::Child     PREFIX = ev_child_

void ev_child_start (struct ev_child *w)

void ev_child_stop (struct ev_child *w)

void DESTROY (struct ev_child *w)
        CODE:
        ev_child_stop (w);
        e_destroy (w);

void set (struct ev_child *w, int pid)
        CODE:
{
        int active = w->active;
        if (active) ev_child_stop (w);
        ev_child_set (w, pid);
        if (active) ev_child_start (w);
}

int status (struct ev_child *w)
        CODE:
        RETVAL = w->status;
        OUTPUT:
        RETVAL

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)

#if 0

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:	1.38
Committed:	Thu Nov 1 17:45:30 2007 UTC (16 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.37:	+0 -6 lines
Log Message:	* empty log message *
#	Content
1	#include "EXTERN.h"
2	#include "perl.h"
3	#include "XSUB.h"
4
5	/#include <netinet/in.h>/
6
7	#define EV_PROTOTYPES 1
8	#include "EV/EVAPI.h"
9
10	#include "libev/ev.c"
11	#include "libev/event.h"
12	#include "libev/event.c"
13	#include "libev/evdns.c"
14
15	typedef int Signal;
16
17	static struct EVAPI evapi;
18
19	static HV
20	*stash_watcher,
21	*stash_io,
22	*stash_timer,
23	*stash_periodic,
24	*stash_signal,
25	*stash_idle,
26	*stash_prepare,
27	*stash_check,
28	*stash_child;
29
30	static int
31	sv_signum (SV *sig)
32	{
33	int signum;
34
35	SvGETMAGIC (sig);
36
37	for (signum = 1; signum < SIG_SIZE; ++signum)
38	if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
39	return signum;
40
41	if (SvIV (sig) > 0)
42	return SvIV (sig);
43
44	return -1;
45	}
46
47	/////////////////////////////////////////////////////////////////////////////
48	// Event
49
50	static void e_cb (struct ev_watcher *w, int revents);
51
52	static int
53	sv_fileno (SV *fh)
54	{
55	SvGETMAGIC (fh);
56
57	if (SvROK (fh))
58	fh = SvRV (fh);
59
60	if (SvTYPE (fh) == SVt_PVGV)
61	return PerlIO_fileno (IoIFP (sv_2io (fh)));
62
63	if ((SvIV (fh) >= 0) && (SvIV (fh) < 0x7ffffff))
64	return SvIV (fh);
65
66	return -1;
67	}
68
69	static void *
70	e_new (int size, SV *cb_sv)
71	{
72	struct ev_watcher *w;
73	SV *self = NEWSV (0, size);
74	SvPOK_only (self);
75	SvCUR_set (self, size);
76
77	w = (struct ev_watcher *)SvPVX (self);
78
79	ev_watcher_init (w, e_cb);
80
81	w->fh = 0;
82	w->cb_sv = newSVsv (cb_sv);
83	w->self = self;
84
85	return (void *)w;
86	}
87
88	static void *
89	e_destroy (void *w_)
90	{
91	struct ev_watcher *w = w_;
92
93	SvREFCNT_dec (w->fh ); w->fh = 0;
94	SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
95	}
96
97	static SV *
98	e_bless (struct ev_watcher w, HV stash)
99	{
100	SV *rv;
101
102	if (SvOBJECT (w->self))
103	rv = newRV_inc (w->self);
104	else
105	{
106	rv = newRV_noinc (w->self);
107	sv_bless (rv, stash);
108	SvREADONLY_on (w->self);
109	}
110
111	return rv;
112	}
113
114	static void
115	e_cb (struct ev_watcher *w, int revents)
116	{
117	dSP;
118	I32 mark = SP - PL_stack_base;
119	SV sv_self, sv_events, *sv_status = 0;
120	static SV *sv_events_cache;
121
122	sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
123
124	if (sv_events_cache)
125	{
126	sv_events = sv_events_cache; sv_events_cache = 0;
127	SvIV_set (sv_events, revents);
128	}
129	else
130	sv_events = newSViv (revents);
131
132	PUSHMARK (SP);
133	EXTEND (SP, 2);
134	PUSHs (sv_self);
135	PUSHs (sv_events);
136
137	if (revents & EV_CHILD)
138	XPUSHs (sv_status = newSViv (((struct ev_child *)w)->status));
139
140	PUTBACK;
141	call_sv (w->cb_sv, G_DISCARD \| G_VOID \| G_EVAL);
142	SP = PL_stack_base + mark; PUTBACK;
143
144	SvREFCNT_dec (sv_self);
145	SvREFCNT_dec (sv_status);
146
147	if (sv_events_cache)
148	SvREFCNT_dec (sv_events);
149	else
150	sv_events_cache = sv_events;
151
152	if (SvTRUE (ERRSV))
153	{
154	PUSHMARK (SP);
155	PUTBACK;
156	call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
157	SP = PL_stack_base + mark; PUTBACK;
158	}
159	}
160
161	/////////////////////////////////////////////////////////////////////////////
162	// DNS
163
164	static void
165	dns_cb (int result, char type, int count, int ttl, void addresses, void arg)
166	{
167	dSP;
168	SV cb = (SV )arg;
169
170	ENTER;
171	SAVETMPS;
172	PUSHMARK (SP);
173	EXTEND (SP, count + 3);
174	PUSHs (sv_2mortal (newSViv (result)));
175
176	if (result == DNS_ERR_NONE && ttl >= 0)
177	{
178	int i;
179
180	PUSHs (sv_2mortal (newSViv (type)));
181	PUSHs (sv_2mortal (newSViv (ttl)));
182
183	for (i = 0; i < count; ++i)
184	switch (type)
185	{
186	case DNS_IPv6_AAAA:
187	PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
188	break;
189	case DNS_IPv4_A:
190	PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
191	break;
192	case DNS_PTR:
193	PUSHs (sv_2mortal (newSVpv ((char *)addresses, 0)));
194	break;
195	}
196	}
197
198	PUTBACK;
199	call_sv (sv_2mortal (cb), G_DISCARD \| G_VOID \| G_EVAL);
200
201	FREETMPS;
202
203	if (SvTRUE (ERRSV))
204	{
205	PUSHMARK (SP);
206	PUTBACK;
207	call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
208	}
209
210	LEAVE;
211	}
212
213	#define CHECK_REPEAT(repeat) if (repeat < 0.) \
214	croak (# repeat " value must be >= 0");
215
216	#define CHECK_FD(fh,fd) if ((fd) < 0) \
217	croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
218
219	/////////////////////////////////////////////////////////////////////////////
220	// XS interface functions
221
222	MODULE = EV PACKAGE = EV PREFIX = ev_
223
224	PROTOTYPES: ENABLE
225
226	BOOT:
227	{
228	int i;
229	HV *stash = gv_stashpv ("EV", 1);
230
231	static const struct {
232	const char *name;
233	IV iv;
234	} *civ, const_iv[] = {
235	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
236	const_iv (EV_, UNDEF)
237	const_iv (EV_, NONE)
238	const_iv (EV_, TIMEOUT)
239	const_iv (EV_, READ)
240	const_iv (EV_, WRITE)
241	const_iv (EV_, SIGNAL)
242	const_iv (EV_, IDLE)
243	const_iv (EV_, CHECK)
244	const_iv (EV_, ERROR)
245
246	const_iv (EV, LOOP_ONESHOT)
247	const_iv (EV, LOOP_NONBLOCK)
248
249	const_iv (EV, METHOD_NONE)
250	const_iv (EV, METHOD_SELECT)
251	const_iv (EV, METHOD_EPOLL)
252	};
253
254	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
255	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
256
257	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
258	stash_io = gv_stashpv ("EV::Io" , 1);
259	stash_timer = gv_stashpv ("EV::Timer" , 1);
260	stash_periodic = gv_stashpv ("EV::Periodic", 1);
261	stash_signal = gv_stashpv ("EV::Signal" , 1);
262	stash_idle = gv_stashpv ("EV::Idle" , 1);
263	stash_prepare = gv_stashpv ("EV::Prepare" , 1);
264	stash_check = gv_stashpv ("EV::Check" , 1);
265	stash_child = gv_stashpv ("EV::Child" , 1);
266
267	{
268	SV *sv = perl_get_sv ("EV::API", TRUE);
269	perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
270
271	/* the poor man's shared library emulator */
272	evapi.ver = EV_API_VERSION;
273	evapi.rev = EV_API_REVISION;
274	evapi.sv_fileno = sv_fileno;
275	evapi.sv_signum = sv_signum;
276	evapi.now = &ev_now;
277	evapi.method = &ev_method;
278	evapi.loop_done = &ev_loop_done;
279	evapi.time = ev_time;
280	evapi.loop = ev_loop;
281	evapi.once = ev_once;
282	evapi.io_start = ev_io_start;
283	evapi.io_stop = ev_io_stop;
284	evapi.timer_start = ev_timer_start;
285	evapi.timer_stop = ev_timer_stop;
286	evapi.timer_again = ev_timer_again;
287	evapi.periodic_start = ev_periodic_start;
288	evapi.periodic_stop = ev_periodic_stop;
289	evapi.signal_start = ev_signal_start;
290	evapi.signal_stop = ev_signal_stop;
291	evapi.idle_start = ev_idle_start;
292	evapi.idle_stop = ev_idle_stop;
293	evapi.prepare_start = ev_prepare_start;
294	evapi.prepare_stop = ev_prepare_stop;
295	evapi.check_start = ev_check_start;
296	evapi.check_stop = ev_check_stop;
297	evapi.child_start = ev_child_start;
298	evapi.child_stop = ev_child_stop;
299
300	sv_setiv (sv, (IV)&evapi);
301	SvREADONLY_on (sv);
302	}
303
304	pthread_atfork (ev_fork_prepare, ev_fork_parent, ev_fork_child);
305	}
306
307	NV ev_now ()
308	CODE:
309	RETVAL = ev_now;
310	OUTPUT:
311	RETVAL
312
313	int ev_method ()
314	CODE:
315	RETVAL = ev_method;
316	OUTPUT:
317	RETVAL
318
319	NV ev_time ()
320
321	void ev_init (int flags = 0)
322
323	void ev_loop (int flags = 0)
324
325	void ev_loop_done (int value = 1)
326	CODE:
327	ev_loop_done = value;
328
329	struct ev_io io (SV fh, int events, SV *cb)
330	ALIAS:
331	io_ns = 1
332	CODE:
333	{
334	int fd = sv_fileno (fh);
335	CHECK_FD (fh, fd);
336
337	RETVAL = e_new (sizeof (struct ev_io), cb);
338	RETVAL->fh = newSVsv (fh);
339	ev_io_set (RETVAL, fd, events);
340	if (!ix) ev_io_start (RETVAL);
341	}
342	OUTPUT:
343	RETVAL
344
345	struct ev_timer timer (NV after, NV repeat, SV cb)
346	ALIAS:
347	timer_ns = 1
348	INIT:
349	CHECK_REPEAT (repeat);
350	CODE:
351	RETVAL = e_new (sizeof (struct ev_timer), cb);
352	ev_timer_set (RETVAL, after, repeat);
353	if (!ix) ev_timer_start (RETVAL);
354	OUTPUT:
355	RETVAL
356
357	struct ev_periodic periodic (NV at, NV interval, SV cb)
358	ALIAS:
359	periodic_ns = 1
360	INIT:
361	CHECK_REPEAT (interval);
362	CODE:
363	RETVAL = e_new (sizeof (struct ev_periodic), cb);
364	ev_periodic_set (RETVAL, at, interval);
365	if (!ix) ev_periodic_start (RETVAL);
366	OUTPUT:
367	RETVAL
368
369	struct ev_signal signal (Signal signum, SV cb)
370	ALIAS:
371	signal_ns = 1
372	CODE:
373	RETVAL = e_new (sizeof (struct ev_signal), cb);
374	ev_signal_set (RETVAL, signum);
375	if (!ix) ev_signal_start (RETVAL);
376	OUTPUT:
377	RETVAL
378
379	struct ev_idle idle (SV cb)
380	ALIAS:
381	idle_ns = 1
382	CODE:
383	RETVAL = e_new (sizeof (struct ev_idle), cb);
384	ev_idle_set (RETVAL);
385	if (!ix) ev_idle_start (RETVAL);
386	OUTPUT:
387	RETVAL
388
389	struct ev_prepare prepare (SV cb)
390	ALIAS:
391	prepare_ns = 1
392	CODE:
393	RETVAL = e_new (sizeof (struct ev_prepare), cb);
394	ev_prepare_set (RETVAL);
395	if (!ix) ev_prepare_start (RETVAL);
396	OUTPUT:
397	RETVAL
398
399	struct ev_check check (SV cb)
400	ALIAS:
401	check_ns = 1
402	CODE:
403	RETVAL = e_new (sizeof (struct ev_check), cb);
404	ev_check_set (RETVAL);
405	if (!ix) ev_check_start (RETVAL);
406	OUTPUT:
407	RETVAL
408
409	struct ev_child child (int pid, SV cb)
410	ALIAS:
411	check_ns = 1
412	CODE:
413	RETVAL = e_new (sizeof (struct ev_check), cb);
414	ev_child_set (RETVAL, pid);
415	if (!ix) ev_child_start (RETVAL);
416	OUTPUT:
417	RETVAL
418
419
420	PROTOTYPES: DISABLE
421
422	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
423
424	int ev_is_active (struct ev_watcher *w)
425
426	SV cb (struct ev_watcher w, SV *new_cb = 0)
427	CODE:
428	{
429	RETVAL = newSVsv (w->cb_sv);
430
431	if (items > 1)
432	sv_setsv (w->cb_sv, new_cb);
433	}
434	OUTPUT:
435	RETVAL
436
437	void trigger (struct ev_watcher *w, int revents = EV_NONE)
438	CODE:
439	w->cb (w, revents);
440
441	MODULE = EV PACKAGE = EV::Io PREFIX = ev_io_
442
443	void ev_io_start (struct ev_io *w)
444
445	void ev_io_stop (struct ev_io *w)
446
447	void DESTROY (struct ev_io *w)
448	CODE:
449	ev_io_stop (w);
450	e_destroy (w);
451
452	void set (struct ev_io w, SV fh, int events)
453	CODE:
454	{
455	int active = w->active;
456	int fd = sv_fileno (fh);
457	CHECK_FD (fh, fd);
458
459	if (active) ev_io_stop (w);
460
461	sv_setsv (w->fh, fh);
462	ev_io_set (w, fd, events);
463
464	if (active) ev_io_start (w);
465	}
466
467	SV fh (struct ev_io w, SV *new_fh = 0)
468	CODE:
469	{
470	RETVAL = newSVsv (w->fh);
471
472	if (items > 1)
473	{
474	int active = w->active;
475	if (active) ev_io_stop (w);
476
477	sv_setsv (w->fh, new_fh);
478	ev_io_set (w, sv_fileno (w->fh), w->events);
479
480	if (active) ev_io_start (w);
481	}
482	}
483	OUTPUT:
484	RETVAL
485
486	int events (struct ev_io *w, int new_events = EV_UNDEF)
487	CODE:
488	{
489	RETVAL = w->events;
490
491	if (items > 1)
492	{
493	int active = w->active;
494	if (active) ev_io_stop (w);
495
496	ev_io_set (w, w->fd, new_events);
497
498	if (active) ev_io_start (w);
499	}
500	}
501	OUTPUT:
502	RETVAL
503
504	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
505
506	void ev_signal_start (struct ev_signal *w)
507
508	void ev_signal_stop (struct ev_signal *w)
509
510	void DESTROY (struct ev_signal *w)
511	CODE:
512	ev_signal_stop (w);
513	e_destroy (w);
514
515	void set (struct ev_signal w, SV signal = 0)
516	CODE:
517	{
518	Signal signum = sv_signum (signal); /* may croak here */
519	int active = w->active;
520
521	if (active) ev_signal_stop (w);
522	ev_signal_set (w, signum);
523	if (active) ev_signal_start (w);
524	}
525
526	MODULE = EV PACKAGE = EV::Time
527
528	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
529
530	void ev_timer_start (struct ev_timer *w)
531	INIT:
532	CHECK_REPEAT (w->repeat);
533
534	void ev_timer_stop (struct ev_timer *w)
535
536	void ev_timer_again (struct ev_timer *w)
537	INIT:
538	CHECK_REPEAT (w->repeat);
539
540	void DESTROY (struct ev_timer *w)
541	CODE:
542	ev_timer_stop (w);
543	e_destroy (w);
544
545	void set (struct ev_timer *w, NV after, NV repeat = 0.)
546	INIT:
547	CHECK_REPEAT (repeat);
548	CODE:
549	{
550	int active = w->active;
551	if (active) ev_timer_stop (w);
552	ev_timer_set (w, after, repeat);
553	if (active) ev_timer_start (w);
554	}
555
556	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
557
558	void ev_periodic_start (struct ev_periodic *w)
559	INIT:
560	CHECK_REPEAT (w->interval);
561
562	void ev_periodic_stop (struct ev_periodic *w)
563
564	void DESTROY (struct ev_periodic *w)
565	CODE:
566	ev_periodic_stop (w);
567	e_destroy (w);
568
569	void set (struct ev_periodic *w, NV at, NV interval = 0.)
570	INIT:
571	CHECK_REPEAT (interval);
572	CODE:
573	{
574	int active = w->active;
575	if (active) ev_periodic_stop (w);
576	ev_periodic_set (w, at, interval);
577	if (active) ev_periodic_start (w);
578	}
579
580	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
581
582	void ev_idle_start (struct ev_idle *w)
583
584	void ev_idle_stop (struct ev_idle *w)
585
586	void DESTROY (struct ev_idle *w)
587	CODE:
588	ev_idle_stop (w);
589	e_destroy (w);
590
591	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_check_
592
593	void ev_prepare_start (struct ev_prepare *w)
594
595	void ev_prepare_stop (struct ev_prepare *w)
596
597	void DESTROY (struct ev_prepare *w)
598	CODE:
599	ev_prepare_stop (w);
600	e_destroy (w);
601
602	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
603
604	void ev_check_start (struct ev_check *w)
605
606	void ev_check_stop (struct ev_check *w)
607
608	void DESTROY (struct ev_check *w)
609	CODE:
610	ev_check_stop (w);
611	e_destroy (w);
612
613	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
614
615	void ev_child_start (struct ev_child *w)
616
617	void ev_child_stop (struct ev_child *w)
618
619	void DESTROY (struct ev_child *w)
620	CODE:
621	ev_child_stop (w);
622	e_destroy (w);
623
624	void set (struct ev_child *w, int pid)
625	CODE:
626	{
627	int active = w->active;
628	if (active) ev_child_stop (w);
629	ev_child_set (w, pid);
630	if (active) ev_child_start (w);
631	}
632
633	int status (struct ev_child *w)
634	CODE:
635	RETVAL = w->status;
636	OUTPUT:
637	RETVAL
638
639	MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
640
641	BOOT:
642	{
643	HV *stash = gv_stashpv ("EV::DNS", 1);
644
645	static const struct {
646	const char *name;
647	IV iv;
648	} *civ, const_iv[] = {
649	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
650	const_iv (DNS_, ERR_NONE)
651	const_iv (DNS_, ERR_FORMAT)
652	const_iv (DNS_, ERR_SERVERFAILED)
653	const_iv (DNS_, ERR_NOTEXIST)
654	const_iv (DNS_, ERR_NOTIMPL)
655	const_iv (DNS_, ERR_REFUSED)
656	const_iv (DNS_, ERR_TRUNCATED)
657	const_iv (DNS_, ERR_UNKNOWN)
658	const_iv (DNS_, ERR_TIMEOUT)
659	const_iv (DNS_, ERR_SHUTDOWN)
660	const_iv (DNS_, IPv4_A)
661	const_iv (DNS_, PTR)
662	const_iv (DNS_, IPv6_AAAA)
663	const_iv (DNS_, QUERY_NO_SEARCH)
664	const_iv (DNS_, OPTION_SEARCH)
665	const_iv (DNS_, OPTION_NAMESERVERS)
666	const_iv (DNS_, OPTION_MISC)
667	const_iv (DNS_, OPTIONS_ALL)
668	const_iv (DNS_, NO_SEARCH)
669	};
670
671	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
672	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
673	}
674
675	int evdns_init ()
676
677	void evdns_shutdown (int fail_requests = 1)
678
679	const char *evdns_err_to_string (int err)
680
681	int evdns_nameserver_add (U32 address)
682
683	int evdns_count_nameservers ()
684
685	int evdns_clear_nameservers_and_suspend ()
686
687	int evdns_resume ()
688
689	int evdns_nameserver_ip_add (char *ip_as_string)
690
691	int evdns_resolve_ipv4 (const char name, int flags, SV cb)
692	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
693
694	int evdns_resolve_ipv6 (const char name, int flags, SV cb)
695	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
696
697	int evdns_resolve_reverse (SV addr, int flags, SV cb)
698	ALIAS:
699	evdns_resolve_reverse_ipv6 = 1
700	CODE:
701	{
702	STRLEN len;
703	char *data = SvPVbyte (addr, len);
704	if (len != (ix ? 16 : 4))
705	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
706
707	RETVAL = ix
708	? evdns_resolve_reverse_ipv6 ((struct in6_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb))
709	: evdns_resolve_reverse ((struct in_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb));
710	}
711	OUTPUT:
712	RETVAL
713
714	int evdns_set_option (char option, char val, int flags)
715
716	int evdns_resolv_conf_parse (int flags, const char *filename)
717
718	#ifdef MS_WINDOWS
719
720	int evdns_config_windows_nameservers ()
721
722	#endif
723
724	void evdns_search_clear ()
725
726	void evdns_search_add (char *domain)
727
728	void evdns_search_ndots_set (int ndots)
729
730	#if 0
731
732	MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
733
734	BOOT:
735	{
736	HV *stash = gv_stashpv ("EV::HTTP", 1);
737
738	static const struct {
739	const char *name;
740	IV iv;
741	} *civ, const_iv[] = {
742	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
743	const_iv (HTTP_, OK)
744	const_iv (HTTP_, NOCONTENT)
745	const_iv (HTTP_, MOVEPERM)
746	const_iv (HTTP_, MOVETEMP)
747	const_iv (HTTP_, NOTMODIFIED)
748	const_iv (HTTP_, BADREQUEST)
749	const_iv (HTTP_, NOTFOUND)
750	const_iv (HTTP_, SERVUNAVAIL)
751	const_iv (EVHTTP_, REQ_OWN_CONNECTION)
752	const_iv (EVHTTP_, PROXY_REQUEST)
753	const_iv (EVHTTP_, REQ_GET)
754	const_iv (EVHTTP_, REQ_POST)
755	const_iv (EVHTTP_, REQ_HEAD)
756	const_iv (EVHTTP_, REQUEST)
757	const_iv (EVHTTP_, RESPONSE)
758	};
759
760	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
761	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
762	}
763
764	MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
765
766	#HttpRequest new (SV klass, SV cb)
767
768	#void DESTROY (struct evhttp_request *req);
769
770	#endif
771
772
773
774
775
776
777
778