EV/EV.xs

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

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

#define TIMEOUT_NONE HUGE_VAL

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

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

#define DNS_USE_GETTIMEOFDAY_FOR_ID 1
#define HAVE_STRUCT_IN6_ADDR 1
#define HAVE_STRTOK_R 1
#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:	1.37
Committed:	Thu Nov 1 17:17:32 2007 UTC (16 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.36:	+1 -1 lines
Log Message:	created new documentation
#	Content
1	#include "EXTERN.h"
2	#include "perl.h"
3	#include "XSUB.h"
4
5	/#include <netinet/in.h>/
6
7	#define TIMEOUT_NONE HUGE_VAL
8
9	#define EV_PROTOTYPES 1
10	#include "EV/EVAPI.h"
11
12	#include "libev/ev.c"
13	#include "libev/event.h"
14	#include "libev/event.c"
15
16	#define DNS_USE_GETTIMEOFDAY_FOR_ID 1
17	#define HAVE_STRUCT_IN6_ADDR 1
18	#define HAVE_STRTOK_R 1
19	#include "libev/evdns.c"
20
21	typedef int Signal;
22
23	static struct EVAPI evapi;
24
25	static HV
26	*stash_watcher,
27	*stash_io,
28	*stash_timer,
29	*stash_periodic,
30	*stash_signal,
31	*stash_idle,
32	*stash_prepare,
33	*stash_check,
34	*stash_child;
35
36	static int
37	sv_signum (SV *sig)
38	{
39	int signum;
40
41	SvGETMAGIC (sig);
42
43	for (signum = 1; signum < SIG_SIZE; ++signum)
44	if (strEQ (SvPV_nolen (sig), PL_sig_name [signum]))
45	return signum;
46
47	if (SvIV (sig) > 0)
48	return SvIV (sig);
49
50	return -1;
51	}
52
53	/////////////////////////////////////////////////////////////////////////////
54	// Event
55
56	static void e_cb (struct ev_watcher *w, int revents);
57
58	static int
59	sv_fileno (SV *fh)
60	{
61	SvGETMAGIC (fh);
62
63	if (SvROK (fh))
64	fh = SvRV (fh);
65
66	if (SvTYPE (fh) == SVt_PVGV)
67	return PerlIO_fileno (IoIFP (sv_2io (fh)));
68
69	if ((SvIV (fh) >= 0) && (SvIV (fh) < 0x7ffffff))
70	return SvIV (fh);
71
72	return -1;
73	}
74
75	static void *
76	e_new (int size, SV *cb_sv)
77	{
78	struct ev_watcher *w;
79	SV *self = NEWSV (0, size);
80	SvPOK_only (self);
81	SvCUR_set (self, size);
82
83	w = (struct ev_watcher *)SvPVX (self);
84
85	ev_watcher_init (w, e_cb);
86
87	w->fh = 0;
88	w->cb_sv = newSVsv (cb_sv);
89	w->self = self;
90
91	return (void *)w;
92	}
93
94	static void *
95	e_destroy (void *w_)
96	{
97	struct ev_watcher *w = w_;
98
99	SvREFCNT_dec (w->fh ); w->fh = 0;
100	SvREFCNT_dec (w->cb_sv); w->cb_sv = 0;
101	}
102
103	static SV *
104	e_bless (struct ev_watcher w, HV stash)
105	{
106	SV *rv;
107
108	if (SvOBJECT (w->self))
109	rv = newRV_inc (w->self);
110	else
111	{
112	rv = newRV_noinc (w->self);
113	sv_bless (rv, stash);
114	SvREADONLY_on (w->self);
115	}
116
117	return rv;
118	}
119
120	static void
121	e_cb (struct ev_watcher *w, int revents)
122	{
123	dSP;
124	I32 mark = SP - PL_stack_base;
125	SV sv_self, sv_events, *sv_status = 0;
126	static SV *sv_events_cache;
127
128	sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
129
130	if (sv_events_cache)
131	{
132	sv_events = sv_events_cache; sv_events_cache = 0;
133	SvIV_set (sv_events, revents);
134	}
135	else
136	sv_events = newSViv (revents);
137
138	PUSHMARK (SP);
139	EXTEND (SP, 2);
140	PUSHs (sv_self);
141	PUSHs (sv_events);
142
143	if (revents & EV_CHILD)
144	XPUSHs (sv_status = newSViv (((struct ev_child *)w)->status));
145
146	PUTBACK;
147	call_sv (w->cb_sv, G_DISCARD \| G_VOID \| G_EVAL);
148	SP = PL_stack_base + mark; PUTBACK;
149
150	SvREFCNT_dec (sv_self);
151	SvREFCNT_dec (sv_status);
152
153	if (sv_events_cache)
154	SvREFCNT_dec (sv_events);
155	else
156	sv_events_cache = sv_events;
157
158	if (SvTRUE (ERRSV))
159	{
160	PUSHMARK (SP);
161	PUTBACK;
162	call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
163	SP = PL_stack_base + mark; PUTBACK;
164	}
165	}
166
167	/////////////////////////////////////////////////////////////////////////////
168	// DNS
169
170	static void
171	dns_cb (int result, char type, int count, int ttl, void addresses, void arg)
172	{
173	dSP;
174	SV cb = (SV )arg;
175
176	ENTER;
177	SAVETMPS;
178	PUSHMARK (SP);
179	EXTEND (SP, count + 3);
180	PUSHs (sv_2mortal (newSViv (result)));
181
182	if (result == DNS_ERR_NONE && ttl >= 0)
183	{
184	int i;
185
186	PUSHs (sv_2mortal (newSViv (type)));
187	PUSHs (sv_2mortal (newSViv (ttl)));
188
189	for (i = 0; i < count; ++i)
190	switch (type)
191	{
192	case DNS_IPv6_AAAA:
193	PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
194	break;
195	case DNS_IPv4_A:
196	PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
197	break;
198	case DNS_PTR:
199	PUSHs (sv_2mortal (newSVpv ((char *)addresses, 0)));
200	break;
201	}
202	}
203
204	PUTBACK;
205	call_sv (sv_2mortal (cb), G_DISCARD \| G_VOID \| G_EVAL);
206
207	FREETMPS;
208
209	if (SvTRUE (ERRSV))
210	{
211	PUSHMARK (SP);
212	PUTBACK;
213	call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
214	}
215
216	LEAVE;
217	}
218
219	#define CHECK_REPEAT(repeat) if (repeat < 0.) \
220	croak (# repeat " value must be >= 0");
221
222	#define CHECK_FD(fh,fd) if ((fd) < 0) \
223	croak ("illegal file descriptor or filehandle (either no attached file descriptor or illegal value): %s", SvPV_nolen (fh));
224
225	/////////////////////////////////////////////////////////////////////////////
226	// XS interface functions
227
228	MODULE = EV PACKAGE = EV PREFIX = ev_
229
230	PROTOTYPES: ENABLE
231
232	BOOT:
233	{
234	int i;
235	HV *stash = gv_stashpv ("EV", 1);
236
237	static const struct {
238	const char *name;
239	IV iv;
240	} *civ, const_iv[] = {
241	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
242	const_iv (EV_, UNDEF)
243	const_iv (EV_, NONE)
244	const_iv (EV_, TIMEOUT)
245	const_iv (EV_, READ)
246	const_iv (EV_, WRITE)
247	const_iv (EV_, SIGNAL)
248	const_iv (EV_, IDLE)
249	const_iv (EV_, CHECK)
250	const_iv (EV_, ERROR)
251
252	const_iv (EV, LOOP_ONESHOT)
253	const_iv (EV, LOOP_NONBLOCK)
254
255	const_iv (EV, METHOD_NONE)
256	const_iv (EV, METHOD_SELECT)
257	const_iv (EV, METHOD_EPOLL)
258	};
259
260	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
261	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
262
263	stash_watcher = gv_stashpv ("EV::Watcher" , 1);
264	stash_io = gv_stashpv ("EV::Io" , 1);
265	stash_timer = gv_stashpv ("EV::Timer" , 1);
266	stash_periodic = gv_stashpv ("EV::Periodic", 1);
267	stash_signal = gv_stashpv ("EV::Signal" , 1);
268	stash_idle = gv_stashpv ("EV::Idle" , 1);
269	stash_prepare = gv_stashpv ("EV::Prepare" , 1);
270	stash_check = gv_stashpv ("EV::Check" , 1);
271	stash_child = gv_stashpv ("EV::Child" , 1);
272
273	{
274	SV *sv = perl_get_sv ("EV::API", TRUE);
275	perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */
276
277	/* the poor man's shared library emulator */
278	evapi.ver = EV_API_VERSION;
279	evapi.rev = EV_API_REVISION;
280	evapi.sv_fileno = sv_fileno;
281	evapi.sv_signum = sv_signum;
282	evapi.now = &ev_now;
283	evapi.method = &ev_method;
284	evapi.loop_done = &ev_loop_done;
285	evapi.time = ev_time;
286	evapi.loop = ev_loop;
287	evapi.once = ev_once;
288	evapi.io_start = ev_io_start;
289	evapi.io_stop = ev_io_stop;
290	evapi.timer_start = ev_timer_start;
291	evapi.timer_stop = ev_timer_stop;
292	evapi.timer_again = ev_timer_again;
293	evapi.periodic_start = ev_periodic_start;
294	evapi.periodic_stop = ev_periodic_stop;
295	evapi.signal_start = ev_signal_start;
296	evapi.signal_stop = ev_signal_stop;
297	evapi.idle_start = ev_idle_start;
298	evapi.idle_stop = ev_idle_stop;
299	evapi.prepare_start = ev_prepare_start;
300	evapi.prepare_stop = ev_prepare_stop;
301	evapi.check_start = ev_check_start;
302	evapi.check_stop = ev_check_stop;
303	evapi.child_start = ev_child_start;
304	evapi.child_stop = ev_child_stop;
305
306	sv_setiv (sv, (IV)&evapi);
307	SvREADONLY_on (sv);
308	}
309
310	pthread_atfork (ev_fork_prepare, ev_fork_parent, ev_fork_child);
311	}
312
313	NV ev_now ()
314	CODE:
315	RETVAL = ev_now;
316	OUTPUT:
317	RETVAL
318
319	int ev_method ()
320	CODE:
321	RETVAL = ev_method;
322	OUTPUT:
323	RETVAL
324
325	NV ev_time ()
326
327	void ev_init (int flags = 0)
328
329	void ev_loop (int flags = 0)
330
331	void ev_loop_done (int value = 1)
332	CODE:
333	ev_loop_done = value;
334
335	struct ev_io io (SV fh, int events, SV *cb)
336	ALIAS:
337	io_ns = 1
338	CODE:
339	{
340	int fd = sv_fileno (fh);
341	CHECK_FD (fh, fd);
342
343	RETVAL = e_new (sizeof (struct ev_io), cb);
344	RETVAL->fh = newSVsv (fh);
345	ev_io_set (RETVAL, fd, events);
346	if (!ix) ev_io_start (RETVAL);
347	}
348	OUTPUT:
349	RETVAL
350
351	struct ev_timer timer (NV after, NV repeat, SV cb)
352	ALIAS:
353	timer_ns = 1
354	INIT:
355	CHECK_REPEAT (repeat);
356	CODE:
357	RETVAL = e_new (sizeof (struct ev_timer), cb);
358	ev_timer_set (RETVAL, after, repeat);
359	if (!ix) ev_timer_start (RETVAL);
360	OUTPUT:
361	RETVAL
362
363	struct ev_periodic periodic (NV at, NV interval, SV cb)
364	ALIAS:
365	periodic_ns = 1
366	INIT:
367	CHECK_REPEAT (interval);
368	CODE:
369	RETVAL = e_new (sizeof (struct ev_periodic), cb);
370	ev_periodic_set (RETVAL, at, interval);
371	if (!ix) ev_periodic_start (RETVAL);
372	OUTPUT:
373	RETVAL
374
375	struct ev_signal signal (Signal signum, SV cb)
376	ALIAS:
377	signal_ns = 1
378	CODE:
379	RETVAL = e_new (sizeof (struct ev_signal), cb);
380	ev_signal_set (RETVAL, signum);
381	if (!ix) ev_signal_start (RETVAL);
382	OUTPUT:
383	RETVAL
384
385	struct ev_idle idle (SV cb)
386	ALIAS:
387	idle_ns = 1
388	CODE:
389	RETVAL = e_new (sizeof (struct ev_idle), cb);
390	ev_idle_set (RETVAL);
391	if (!ix) ev_idle_start (RETVAL);
392	OUTPUT:
393	RETVAL
394
395	struct ev_prepare prepare (SV cb)
396	ALIAS:
397	prepare_ns = 1
398	CODE:
399	RETVAL = e_new (sizeof (struct ev_prepare), cb);
400	ev_prepare_set (RETVAL);
401	if (!ix) ev_prepare_start (RETVAL);
402	OUTPUT:
403	RETVAL
404
405	struct ev_check check (SV cb)
406	ALIAS:
407	check_ns = 1
408	CODE:
409	RETVAL = e_new (sizeof (struct ev_check), cb);
410	ev_check_set (RETVAL);
411	if (!ix) ev_check_start (RETVAL);
412	OUTPUT:
413	RETVAL
414
415	struct ev_child child (int pid, SV cb)
416	ALIAS:
417	check_ns = 1
418	CODE:
419	RETVAL = e_new (sizeof (struct ev_check), cb);
420	ev_child_set (RETVAL, pid);
421	if (!ix) ev_child_start (RETVAL);
422	OUTPUT:
423	RETVAL
424
425
426	PROTOTYPES: DISABLE
427
428	MODULE = EV PACKAGE = EV::Watcher PREFIX = ev_
429
430	int ev_is_active (struct ev_watcher *w)
431
432	SV cb (struct ev_watcher w, SV *new_cb = 0)
433	CODE:
434	{
435	RETVAL = newSVsv (w->cb_sv);
436
437	if (items > 1)
438	sv_setsv (w->cb_sv, new_cb);
439	}
440	OUTPUT:
441	RETVAL
442
443	void trigger (struct ev_watcher *w, int revents = EV_NONE)
444	CODE:
445	w->cb (w, revents);
446
447	MODULE = EV PACKAGE = EV::Io PREFIX = ev_io_
448
449	void ev_io_start (struct ev_io *w)
450
451	void ev_io_stop (struct ev_io *w)
452
453	void DESTROY (struct ev_io *w)
454	CODE:
455	ev_io_stop (w);
456	e_destroy (w);
457
458	void set (struct ev_io w, SV fh, int events)
459	CODE:
460	{
461	int active = w->active;
462	int fd = sv_fileno (fh);
463	CHECK_FD (fh, fd);
464
465	if (active) ev_io_stop (w);
466
467	sv_setsv (w->fh, fh);
468	ev_io_set (w, fd, events);
469
470	if (active) ev_io_start (w);
471	}
472
473	SV fh (struct ev_io w, SV *new_fh = 0)
474	CODE:
475	{
476	RETVAL = newSVsv (w->fh);
477
478	if (items > 1)
479	{
480	int active = w->active;
481	if (active) ev_io_stop (w);
482
483	sv_setsv (w->fh, new_fh);
484	ev_io_set (w, sv_fileno (w->fh), w->events);
485
486	if (active) ev_io_start (w);
487	}
488	}
489	OUTPUT:
490	RETVAL
491
492	int events (struct ev_io *w, int new_events = EV_UNDEF)
493	CODE:
494	{
495	RETVAL = w->events;
496
497	if (items > 1)
498	{
499	int active = w->active;
500	if (active) ev_io_stop (w);
501
502	ev_io_set (w, w->fd, new_events);
503
504	if (active) ev_io_start (w);
505	}
506	}
507	OUTPUT:
508	RETVAL
509
510	MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
511
512	void ev_signal_start (struct ev_signal *w)
513
514	void ev_signal_stop (struct ev_signal *w)
515
516	void DESTROY (struct ev_signal *w)
517	CODE:
518	ev_signal_stop (w);
519	e_destroy (w);
520
521	void set (struct ev_signal w, SV signal = 0)
522	CODE:
523	{
524	Signal signum = sv_signum (signal); /* may croak here */
525	int active = w->active;
526
527	if (active) ev_signal_stop (w);
528	ev_signal_set (w, signum);
529	if (active) ev_signal_start (w);
530	}
531
532	MODULE = EV PACKAGE = EV::Time
533
534	MODULE = EV PACKAGE = EV::Timer PREFIX = ev_timer_
535
536	void ev_timer_start (struct ev_timer *w)
537	INIT:
538	CHECK_REPEAT (w->repeat);
539
540	void ev_timer_stop (struct ev_timer *w)
541
542	void ev_timer_again (struct ev_timer *w)
543	INIT:
544	CHECK_REPEAT (w->repeat);
545
546	void DESTROY (struct ev_timer *w)
547	CODE:
548	ev_timer_stop (w);
549	e_destroy (w);
550
551	void set (struct ev_timer *w, NV after, NV repeat = 0.)
552	INIT:
553	CHECK_REPEAT (repeat);
554	CODE:
555	{
556	int active = w->active;
557	if (active) ev_timer_stop (w);
558	ev_timer_set (w, after, repeat);
559	if (active) ev_timer_start (w);
560	}
561
562	MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
563
564	void ev_periodic_start (struct ev_periodic *w)
565	INIT:
566	CHECK_REPEAT (w->interval);
567
568	void ev_periodic_stop (struct ev_periodic *w)
569
570	void DESTROY (struct ev_periodic *w)
571	CODE:
572	ev_periodic_stop (w);
573	e_destroy (w);
574
575	void set (struct ev_periodic *w, NV at, NV interval = 0.)
576	INIT:
577	CHECK_REPEAT (interval);
578	CODE:
579	{
580	int active = w->active;
581	if (active) ev_periodic_stop (w);
582	ev_periodic_set (w, at, interval);
583	if (active) ev_periodic_start (w);
584	}
585
586	MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
587
588	void ev_idle_start (struct ev_idle *w)
589
590	void ev_idle_stop (struct ev_idle *w)
591
592	void DESTROY (struct ev_idle *w)
593	CODE:
594	ev_idle_stop (w);
595	e_destroy (w);
596
597	MODULE = EV PACKAGE = EV::Prepare PREFIX = ev_check_
598
599	void ev_prepare_start (struct ev_prepare *w)
600
601	void ev_prepare_stop (struct ev_prepare *w)
602
603	void DESTROY (struct ev_prepare *w)
604	CODE:
605	ev_prepare_stop (w);
606	e_destroy (w);
607
608	MODULE = EV PACKAGE = EV::Check PREFIX = ev_check_
609
610	void ev_check_start (struct ev_check *w)
611
612	void ev_check_stop (struct ev_check *w)
613
614	void DESTROY (struct ev_check *w)
615	CODE:
616	ev_check_stop (w);
617	e_destroy (w);
618
619	MODULE = EV PACKAGE = EV::Child PREFIX = ev_child_
620
621	void ev_child_start (struct ev_child *w)
622
623	void ev_child_stop (struct ev_child *w)
624
625	void DESTROY (struct ev_child *w)
626	CODE:
627	ev_child_stop (w);
628	e_destroy (w);
629
630	void set (struct ev_child *w, int pid)
631	CODE:
632	{
633	int active = w->active;
634	if (active) ev_child_stop (w);
635	ev_child_set (w, pid);
636	if (active) ev_child_start (w);
637	}
638
639	int status (struct ev_child *w)
640	CODE:
641	RETVAL = w->status;
642	OUTPUT:
643	RETVAL
644
645	MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
646
647	BOOT:
648	{
649	HV *stash = gv_stashpv ("EV::DNS", 1);
650
651	static const struct {
652	const char *name;
653	IV iv;
654	} *civ, const_iv[] = {
655	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
656	const_iv (DNS_, ERR_NONE)
657	const_iv (DNS_, ERR_FORMAT)
658	const_iv (DNS_, ERR_SERVERFAILED)
659	const_iv (DNS_, ERR_NOTEXIST)
660	const_iv (DNS_, ERR_NOTIMPL)
661	const_iv (DNS_, ERR_REFUSED)
662	const_iv (DNS_, ERR_TRUNCATED)
663	const_iv (DNS_, ERR_UNKNOWN)
664	const_iv (DNS_, ERR_TIMEOUT)
665	const_iv (DNS_, ERR_SHUTDOWN)
666	const_iv (DNS_, IPv4_A)
667	const_iv (DNS_, PTR)
668	const_iv (DNS_, IPv6_AAAA)
669	const_iv (DNS_, QUERY_NO_SEARCH)
670	const_iv (DNS_, OPTION_SEARCH)
671	const_iv (DNS_, OPTION_NAMESERVERS)
672	const_iv (DNS_, OPTION_MISC)
673	const_iv (DNS_, OPTIONS_ALL)
674	const_iv (DNS_, NO_SEARCH)
675	};
676
677	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
678	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
679	}
680
681	int evdns_init ()
682
683	void evdns_shutdown (int fail_requests = 1)
684
685	const char *evdns_err_to_string (int err)
686
687	int evdns_nameserver_add (U32 address)
688
689	int evdns_count_nameservers ()
690
691	int evdns_clear_nameservers_and_suspend ()
692
693	int evdns_resume ()
694
695	int evdns_nameserver_ip_add (char *ip_as_string)
696
697	int evdns_resolve_ipv4 (const char name, int flags, SV cb)
698	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
699
700	int evdns_resolve_ipv6 (const char name, int flags, SV cb)
701	C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
702
703	int evdns_resolve_reverse (SV addr, int flags, SV cb)
704	ALIAS:
705	evdns_resolve_reverse_ipv6 = 1
706	CODE:
707	{
708	STRLEN len;
709	char *data = SvPVbyte (addr, len);
710	if (len != (ix ? 16 : 4))
711	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
712
713	RETVAL = ix
714	? evdns_resolve_reverse_ipv6 ((struct in6_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb))
715	: evdns_resolve_reverse ((struct in_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb));
716	}
717	OUTPUT:
718	RETVAL
719
720	int evdns_set_option (char option, char val, int flags)
721
722	int evdns_resolv_conf_parse (int flags, const char *filename)
723
724	#ifdef MS_WINDOWS
725
726	int evdns_config_windows_nameservers ()
727
728	#endif
729
730	void evdns_search_clear ()
731
732	void evdns_search_add (char *domain)
733
734	void evdns_search_ndots_set (int ndots)
735
736	#if 0
737
738	MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
739
740	BOOT:
741	{
742	HV *stash = gv_stashpv ("EV::HTTP", 1);
743
744	static const struct {
745	const char *name;
746	IV iv;
747	} *civ, const_iv[] = {
748	# define const_iv(pfx, name) { # name, (IV) pfx ## name },
749	const_iv (HTTP_, OK)
750	const_iv (HTTP_, NOCONTENT)
751	const_iv (HTTP_, MOVEPERM)
752	const_iv (HTTP_, MOVETEMP)
753	const_iv (HTTP_, NOTMODIFIED)
754	const_iv (HTTP_, BADREQUEST)
755	const_iv (HTTP_, NOTFOUND)
756	const_iv (HTTP_, SERVUNAVAIL)
757	const_iv (EVHTTP_, REQ_OWN_CONNECTION)
758	const_iv (EVHTTP_, PROXY_REQUEST)
759	const_iv (EVHTTP_, REQ_GET)
760	const_iv (EVHTTP_, REQ_POST)
761	const_iv (EVHTTP_, REQ_HEAD)
762	const_iv (EVHTTP_, REQUEST)
763	const_iv (EVHTTP_, RESPONSE)
764	};
765
766	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
767	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
768	}
769
770	MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
771
772	#HttpRequest new (SV klass, SV cb)
773
774	#void DESTROY (struct evhttp_request *req);
775
776	#endif
777
778
779
780
781
782
783
784