EV/EV.xs

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

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

#include <sys/time.h>
#include <time.h>
#include <event.h>
#include <evdns.h>

/* workaround for evhttp.h requiring obscure bsd headers */
#ifndef TAILQ_ENTRY
#define TAILQ_ENTRY(type)                                               \
struct {                                                                \
        struct type *tqe_next;  /* next element */                      \
        struct type **tqe_prev; /* address of previous next element */  \
}
#endif /* !TAILQ_ENTRY */
#include <evhttp.h>

#define EV_NONE 0
#define EV_UNDEF -1

#define TIMEOUT_NONE HUGE_VAL

typedef struct event_base *Base;

static HV *stash_base, *stash_event;

static double tv_get (struct timeval *tv)
{
  return tv->tv_sec + tv->tv_usec * 1e-6;
}

static void tv_set (struct timeval *tv, double val)
{
  tv->tv_sec  = (long)val;
  tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6);

}

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

typedef struct ev {
  struct event ev;
  SV *cb, *fh;
  SV *self; /* contains this struct */
  double timeout;
  double interval;
  unsigned char active;
  unsigned char abstime;
} *Event;

static double
e_now ()
{
  struct timeval tv;
  gettimeofday (&tv, 0);

  return tv_get (&tv);
}

static void e_cb (int fd, short events, void *arg);

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 Event
e_new (SV *fh, short events, SV *cb)
{
  int fd = sv_fileno (fh);
  Event ev;
  SV *self = NEWSV (0, sizeof (struct ev));
  SvPOK_only (self);
  SvCUR_set (self, sizeof (struct ev));

  ev = (Event)SvPVX (self);

  ev->fh       = newSVsv (fh);
  ev->cb       = newSVsv (cb);
  ev->self     = self;
  ev->timeout  = TIMEOUT_NONE;
  ev->interval = 0.;
  ev->abstime  = 0;
  ev->active   = 0;

  event_set (&ev->ev, fd, events, e_cb, (void *)ev);

  return ev;
}

static struct timeval *
e_tv (Event ev)
{
  static struct timeval tv;
  double to = ev->timeout;

  if (to == TIMEOUT_NONE)
    return 0;

  if (ev->abstime)
    {
      double now = e_now ();

      if (ev->interval)
        ev->timeout = (to += ceil ((now - to) / ev->interval) * ev->interval);

      to -= now;
    }
  else if (to < 0.)
    to = 0.;

  tv_set (&tv, to);

  return &tv;
}

static SV *e_self (Event ev)
{
  SV *rv;

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

  return rv;
}

static int
e_start (Event ev)
{
  if (ev->active) event_del (&ev->ev);
  ev->active = 1;
  return event_add (&ev->ev, e_tv (ev));
}

static int e_stop (Event ev)
{
  return ev->active
    ? (ev->active = 0), event_del (&ev->ev)
    : 0;
}

static void
e_cb (int fd, short events, void *arg)
{
  struct ev *ev = (struct ev*)arg;
  dSP;

  ENTER;
  SAVETMPS;

  if (!(ev->ev.ev_events & EV_PERSIST) || (events & EV_TIMEOUT))
    ev->active = 0;

  PUSHMARK (SP);
  EXTEND (SP, 2);
  PUSHs (sv_2mortal (e_self (ev)));
  PUSHs (sv_2mortal (newSViv (events)));
  PUTBACK;
  call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL);

  if (ev->interval && !ev->active)
    e_start (ev);

  FREETMPS;

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

  LEAVE;
}

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

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

MODULE = EV             PACKAGE = EV            PREFIX = event_

BOOT:
{
  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_, PERSIST)
    const_iv (EV, LOOP_ONCE)
    const_iv (EV, LOOP_NONBLOCK)
    const_iv (EV, BUFFER_READ)
    const_iv (EV, BUFFER_WRITE)
    const_iv (EV, BUFFER_EOF)
    const_iv (EV, BUFFER_ERROR)
    const_iv (EV, BUFFER_TIMEOUT)
  };

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

  stash_base  = gv_stashpv ("EV::Base" , 1);
  stash_event = gv_stashpv ("EV::Event", 1);
}

double now ()
        CODE:
        RETVAL = e_now ();
        OUTPUT:
        RETVAL

const char *version ()
        ALIAS:
        method = 1
        CODE:
        RETVAL = ix ? event_get_method () : event_get_version ();
        OUTPUT:
        RETVAL

Base event_init ()

int event_priority_init (int npri)

int event_dispatch ()

int event_loop (int flags = 0)

int event_loopexit (double after = 0)
        CODE:
{
        struct timeval tv;
        tv_set (&tv, after);
        event_loopexit (&tv);
}

Event event (SV *cb)
        CODE:
        RETVAL = e_new (NEWSV (0, 0), 0, cb);
        OUTPUT:
        RETVAL

Event io (SV *fh, short events, SV *cb)
        ALIAS:
        io_ns = 1
        CODE:
        RETVAL = e_new (fh, events, cb);
        if (!ix) e_start (RETVAL);
        OUTPUT:
        RETVAL

Event timed_io (SV *fh, short events, double timeout, SV *cb)
        ALIAS:
        timed_io_ns = 1
        CODE:
{
        events = timeout ? events & ~EV_PERSIST : events | EV_PERSIST;

        RETVAL = e_new (fh, events, cb);

        if (timeout)
          {
            RETVAL->timeout  = timeout;
            RETVAL->interval = 1;
          }

        if (!ix) e_start (RETVAL);
}
        OUTPUT:
        RETVAL

Event timer (double after, int repeat, SV *cb)
        ALIAS:
        timer_ns = 1
        CODE:
        RETVAL = e_new (NEWSV (0, 0), 0, cb);
        RETVAL->timeout  = after;
        RETVAL->interval = repeat;
        if (!ix) e_start (RETVAL);
        OUTPUT:
        RETVAL

Event timer_abs (double at, double interval, SV *cb)
        ALIAS:
        timer_abs_ns = 1
        CODE:
        RETVAL = e_new (NEWSV (0, 0), 0, cb);
        RETVAL->timeout  = at;
        RETVAL->interval = interval;
        RETVAL->abstime  = 1;
        if (!ix) e_start (RETVAL);
        OUTPUT:
        RETVAL

Event signal (SV *signal, SV *cb)
        ALIAS:
        signal_ns = 1
        CODE:
        RETVAL = e_new (signal, EV_SIGNAL | EV_PERSIST, cb);
        if (!ix) e_start (RETVAL);
        OUTPUT:
        RETVAL

PROTOTYPES: DISABLE


MODULE = EV             PACKAGE = EV::Base      PREFIX = event_base_

Base new ()
        CODE:
        RETVAL = event_init ();
        OUTPUT:
        RETVAL

int event_base_dispatch (Base base)

int event_base_loop (Base base, int flags = 0)

int event_base_loopexit (Base base, double after)
        CODE:
{
        struct timeval tv;
        tv.tv_sec  = (long)after;
        tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
        event_base_loopexit (base, &tv);
}

int event_base_priority_init (Base base, int npri)

void event_base_set (Base base, Event ev)
        C_ARGS: base, &ev->ev

void DESTROY (Base base)
        CODE:
        /*event_base_free (base);*/ /* causes too many problems */


MODULE = EV             PACKAGE = EV::Event     PREFIX = event_

int event_priority_set (Event ev, int pri)
        C_ARGS: &ev->ev, pri

int event_add (Event ev, double timeout = TIMEOUT_NONE)
        CODE:
        ev->timeout = timeout;
        ev->abstime = 0;
        RETVAL = e_start (ev);
        OUTPUT:
        RETVAL

int event_start (Event ev)
        CODE:
        RETVAL = e_start (ev);
        OUTPUT:
        RETVAL

int event_del (Event ev)
        ALIAS:
        stop = 0
        CODE:
        RETVAL = e_stop (ev);
        OUTPUT:
        RETVAL

void DESTROY (Event ev)
        CODE:
        e_stop (ev);
        SvREFCNT_dec (ev->cb);
        SvREFCNT_dec (ev->fh);

SV *cb (Event ev, SV *new_cb = 0)
        CODE:
        RETVAL = newSVsv (ev->cb);
        if (items > 1)
          sv_setsv (ev->cb, new_cb);
        OUTPUT:
        RETVAL

SV *fh (Event ev, SV *new_fh = 0)
        ALIAS:
        signal = 1
        CODE:
        RETVAL = newSVsv (ev->fh);
        if (items > 1)
          {
            if (ev->active) event_del (&ev->ev);
            sv_setsv (ev->fh, new_fh);
            ev->ev.ev_fd  = sv_fileno (ev->fh);
            ev->ev.ev_events = signal ? ev->ev.ev_events | EV_SIGNAL : ev->ev.ev_events & ~EV_SIGNAL;
            if (ev->active) event_add (&ev->ev, e_tv (ev));
          }
        OUTPUT:
        RETVAL

short events (Event ev, short new_events = EV_UNDEF)
        CODE:
        RETVAL = ev->ev.ev_events;
        if (items > 1)
          {
            if (ev->active) event_del (&ev->ev);
            ev->ev.ev_events = new_events;
            if (ev->active) event_add (&ev->ev, e_tv (ev));
          }
        OUTPUT:
        RETVAL

double timeout (Event ev, double new_timeout = 0., int repeat = 0)
        CODE:
        RETVAL = ev->timeout;
        if (items > 1)
          {
            if (ev->active) event_del (&ev->ev);
            ev->timeout  = new_timeout;
            ev->interval = repeat;
            ev->abstime  = 0;
            if (ev->active) event_add (&ev->ev, e_tv (ev));
          }
        OUTPUT:
        RETVAL

void timeout_abs (Event ev, double at, double interval = 0.)
        CODE:
        if (ev->active) event_del (&ev->ev);
        ev->timeout  = at;
        ev->interval = interval;
        ev->abstime  = 1;
        if (ev->active) event_add (&ev->ev, e_tv (ev));


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);


Revision:	1.9
Committed:	Mon Oct 29 07:24:37 2007 UTC (16 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.8:	+23 -2 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			#include <sys/time.h>
9			#include <time.h>
10			#include <event.h>
11			#include <evdns.h>
12	root	1.4
13			/* workaround for evhttp.h requiring obscure bsd headers */
14			#ifndef TAILQ_ENTRY
15			#define TAILQ_ENTRY(type) \
16			struct { \
17			struct type tqe_next; / next element */ \
18			struct type *tqe_prev; / address of previous next element */ \
19			}
20			#endif /* !TAILQ_ENTRY */
21			#include <evhttp.h>
22	root	1.1
23			#define EV_NONE 0
24			#define EV_UNDEF -1
25
26			#define TIMEOUT_NONE HUGE_VAL
27
28			typedef struct event_base *Base;
29
30			static HV stash_base, stash_event;
31
32			static double tv_get (struct timeval *tv)
33			{
34			return tv->tv_sec + tv->tv_usec * 1e-6;
35			}
36
37			static void tv_set (struct timeval *tv, double val)
38			{
39			tv->tv_sec = (long)val;
40			tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6);
41
42			}
43
44			/////////////////////////////////////////////////////////////////////////////
45			// Event
46
47			typedef struct ev {
48			struct event ev;
49			SV cb, fh;
50			SV self; / contains this struct */
51			double timeout;
52			double interval;
53			unsigned char active;
54			unsigned char abstime;
55			} *Event;
56
57			static double
58			e_now ()
59			{
60			struct timeval tv;
61			gettimeofday (&tv, 0);
62
63			return tv_get (&tv);
64			}
65
66			static void e_cb (int fd, short events, void *arg);
67
68			static int sv_fileno (SV *fh)
69			{
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			static Event
85			e_new (SV fh, short events, SV cb)
86			{
87			int fd = sv_fileno (fh);
88			Event ev;
89			SV *self = NEWSV (0, sizeof (struct ev));
90			SvPOK_only (self);
91			SvCUR_set (self, sizeof (struct ev));
92
93			ev = (Event)SvPVX (self);
94
95			ev->fh = newSVsv (fh);
96			ev->cb = newSVsv (cb);
97			ev->self = self;
98			ev->timeout = TIMEOUT_NONE;
99			ev->interval = 0.;
100			ev->abstime = 0;
101			ev->active = 0;
102
103			event_set (&ev->ev, fd, events, e_cb, (void *)ev);
104
105			return ev;
106			}
107
108			static struct timeval *
109			e_tv (Event ev)
110			{
111			static struct timeval tv;
112			double to = ev->timeout;
113
114			if (to == TIMEOUT_NONE)
115			return 0;
116
117			if (ev->abstime)
118			{
119			double now = e_now ();
120
121	root	1.6	if (ev->interval)
122	root	1.1	ev->timeout = (to += ceil ((now - to) / ev->interval) * ev->interval);
123
124			to -= now;
125			}
126			else if (to < 0.)
127			to = 0.;
128
129			tv_set (&tv, to);
130
131			return &tv;
132			}
133
134			static SV *e_self (Event ev)
135			{
136			SV *rv;
137
138			if (SvOBJECT (ev->self))
139			rv = newRV_inc (ev->self);
140			else
141			{
142			rv = newRV_noinc (ev->self);
143			sv_bless (rv, stash_event);
144			SvREADONLY_on (ev->self);
145			}
146
147			return rv;
148			}
149
150			static int
151			e_start (Event ev)
152			{
153			if (ev->active) event_del (&ev->ev);
154			ev->active = 1;
155			return event_add (&ev->ev, e_tv (ev));
156			}
157
158			static int e_stop (Event ev)
159			{
160			return ev->active
161			? (ev->active = 0), event_del (&ev->ev)
162			: 0;
163			}
164
165			static void
166			e_cb (int fd, short events, void *arg)
167			{
168			struct ev ev = (struct ev)arg;
169			dSP;
170
171			ENTER;
172			SAVETMPS;
173
174	root	1.7	if (!(ev->ev.ev_events & EV_PERSIST) \|\| (events & EV_TIMEOUT))
175	root	1.1	ev->active = 0;
176
177			PUSHMARK (SP);
178			EXTEND (SP, 2);
179			PUSHs (sv_2mortal (e_self (ev)));
180			PUSHs (sv_2mortal (newSViv (events)));
181			PUTBACK;
182			call_sv (ev->cb, G_DISCARD \| G_VOID \| G_EVAL);
183
184			if (ev->interval && !ev->active)
185			e_start (ev);
186
187			FREETMPS;
188	root	1.8
189			if (SvTRUE (ERRSV))
190			{
191			PUSHMARK (SP);
192			PUTBACK;
193			call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
194			}
195
196	root	1.1	LEAVE;
197			}
198
199			/////////////////////////////////////////////////////////////////////////////
200			// DNS
201
202			static void
203			dns_cb (int result, char type, int count, int ttl, void addresses, void arg)
204			{
205			dSP;
206			SV cb = (SV )arg;
207
208			ENTER;
209			SAVETMPS;
210			PUSHMARK (SP);
211			EXTEND (SP, count + 3);
212			PUSHs (sv_2mortal (newSViv (result)));
213
214			if (result == DNS_ERR_NONE && ttl >= 0)
215			{
216			int i;
217
218			PUSHs (sv_2mortal (newSViv (type)));
219			PUSHs (sv_2mortal (newSViv (ttl)));
220
221			for (i = 0; i < count; ++i)
222			switch (type)
223			{
224			case DNS_IPv6_AAAA:
225			PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16)));
226			break;
227			case DNS_IPv4_A:
228			PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4)));
229			break;
230			case DNS_PTR:
231			PUSHs (sv_2mortal (newSVpv ((char *)addresses, 0)));
232			break;
233			}
234			}
235
236			PUTBACK;
237			call_sv (sv_2mortal (cb), G_DISCARD \| G_VOID \| G_EVAL);
238
239			FREETMPS;
240	root	1.8
241			if (SvTRUE (ERRSV))
242			{
243			PUSHMARK (SP);
244			PUTBACK;
245			call_sv (get_sv ("EV::DIED", 1), G_DISCARD \| G_VOID \| G_EVAL \| G_KEEPERR);
246			}
247
248	root	1.1	LEAVE;
249			}
250
251			/////////////////////////////////////////////////////////////////////////////
252			// XS interface functions
253
254			MODULE = EV PACKAGE = EV PREFIX = event_
255
256			BOOT:
257			{
258			HV *stash = gv_stashpv ("EV", 1);
259
260			static const struct {
261			const char *name;
262			IV iv;
263			} *civ, const_iv[] = {
264			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
265			const_iv (EV_, NONE)
266			const_iv (EV_, TIMEOUT)
267			const_iv (EV_, READ)
268			const_iv (EV_, WRITE)
269			const_iv (EV_, SIGNAL)
270			const_iv (EV_, PERSIST)
271			const_iv (EV, LOOP_ONCE)
272			const_iv (EV, LOOP_NONBLOCK)
273			const_iv (EV, BUFFER_READ)
274			const_iv (EV, BUFFER_WRITE)
275			const_iv (EV, BUFFER_EOF)
276			const_iv (EV, BUFFER_ERROR)
277			const_iv (EV, BUFFER_TIMEOUT)
278			};
279
280			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
281			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
282
283			stash_base = gv_stashpv ("EV::Base" , 1);
284			stash_event = gv_stashpv ("EV::Event", 1);
285			}
286
287			double now ()
288			CODE:
289			RETVAL = e_now ();
290			OUTPUT:
291			RETVAL
292
293			const char *version ()
294			ALIAS:
295			method = 1
296			CODE:
297			RETVAL = ix ? event_get_method () : event_get_version ();
298			OUTPUT:
299			RETVAL
300
301			Base event_init ()
302
303			int event_priority_init (int npri)
304
305			int event_dispatch ()
306
307			int event_loop (int flags = 0)
308
309	root	1.3	int event_loopexit (double after = 0)
310	root	1.1	CODE:
311			{
312			struct timeval tv;
313			tv_set (&tv, after);
314			event_loopexit (&tv);
315			}
316
317			Event event (SV *cb)
318			CODE:
319	root	1.3	RETVAL = e_new (NEWSV (0, 0), 0, cb);
320	root	1.1	OUTPUT:
321			RETVAL
322
323			Event io (SV fh, short events, SV cb)
324			ALIAS:
325			io_ns = 1
326			CODE:
327			RETVAL = e_new (fh, events, cb);
328			if (!ix) e_start (RETVAL);
329			OUTPUT:
330			RETVAL
331
332	root	1.9	Event timed_io (SV fh, short events, double timeout, SV cb)
333			ALIAS:
334			timed_io_ns = 1
335			CODE:
336			{
337			events = timeout ? events & ~EV_PERSIST : events \| EV_PERSIST;
338
339			RETVAL = e_new (fh, events, cb);
340
341			if (timeout)
342			{
343			RETVAL->timeout = timeout;
344			RETVAL->interval = 1;
345			}
346
347			if (!ix) e_start (RETVAL);
348			}
349			OUTPUT:
350			RETVAL
351
352	root	1.1	Event timer (double after, int repeat, SV *cb)
353			ALIAS:
354			timer_ns = 1
355			CODE:
356	root	1.3	RETVAL = e_new (NEWSV (0, 0), 0, cb);
357	root	1.1	RETVAL->timeout = after;
358			RETVAL->interval = repeat;
359			if (!ix) e_start (RETVAL);
360			OUTPUT:
361			RETVAL
362
363			Event timer_abs (double at, double interval, SV *cb)
364			ALIAS:
365			timer_abs_ns = 1
366			CODE:
367	root	1.3	RETVAL = e_new (NEWSV (0, 0), 0, cb);
368	root	1.1	RETVAL->timeout = at;
369			RETVAL->interval = interval;
370			RETVAL->abstime = 1;
371			if (!ix) e_start (RETVAL);
372			OUTPUT:
373			RETVAL
374
375			Event signal (SV signal, SV cb)
376			ALIAS:
377			signal_ns = 1
378			CODE:
379			RETVAL = e_new (signal, EV_SIGNAL \| EV_PERSIST, cb);
380			if (!ix) e_start (RETVAL);
381			OUTPUT:
382			RETVAL
383
384			PROTOTYPES: DISABLE
385
386
387			MODULE = EV PACKAGE = EV::Base PREFIX = event_base_
388
389			Base new ()
390			CODE:
391			RETVAL = event_init ();
392			OUTPUT:
393			RETVAL
394
395			int event_base_dispatch (Base base)
396
397			int event_base_loop (Base base, int flags = 0)
398
399			int event_base_loopexit (Base base, double after)
400			CODE:
401			{
402			struct timeval tv;
403			tv.tv_sec = (long)after;
404			tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
405			event_base_loopexit (base, &tv);
406			}
407
408			int event_base_priority_init (Base base, int npri)
409
410			void event_base_set (Base base, Event ev)
411			C_ARGS: base, &ev->ev
412
413			void DESTROY (Base base)
414			CODE:
415			/event_base_free (base);/ /* causes too many problems */
416
417
418			MODULE = EV PACKAGE = EV::Event PREFIX = event_
419
420			int event_priority_set (Event ev, int pri)
421			C_ARGS: &ev->ev, pri
422
423			int event_add (Event ev, double timeout = TIMEOUT_NONE)
424			CODE:
425			ev->timeout = timeout;
426			ev->abstime = 0;
427			RETVAL = e_start (ev);
428			OUTPUT:
429			RETVAL
430
431			int event_start (Event ev)
432			CODE:
433			RETVAL = e_start (ev);
434			OUTPUT:
435			RETVAL
436
437			int event_del (Event ev)
438			ALIAS:
439			stop = 0
440			CODE:
441			RETVAL = e_stop (ev);
442			OUTPUT:
443			RETVAL
444
445			void DESTROY (Event ev)
446			CODE:
447			e_stop (ev);
448			SvREFCNT_dec (ev->cb);
449			SvREFCNT_dec (ev->fh);
450
451	root	1.3	SV cb (Event ev, SV new_cb = 0)
452	root	1.1	CODE:
453	root	1.3	RETVAL = newSVsv (ev->cb);
454			if (items > 1)
455			sv_setsv (ev->cb, new_cb);
456			OUTPUT:
457			RETVAL
458	root	1.1
459			SV fh (Event ev, SV new_fh = 0)
460			ALIAS:
461	root	1.9	signal = 1
462	root	1.1	CODE:
463			RETVAL = newSVsv (ev->fh);
464			if (items > 1)
465			{
466			if (ev->active) event_del (&ev->ev);
467			sv_setsv (ev->fh, new_fh);
468	root	1.9	ev->ev.ev_fd = sv_fileno (ev->fh);
469			ev->ev.ev_events = signal ? ev->ev.ev_events \| EV_SIGNAL : ev->ev.ev_events & ~EV_SIGNAL;
470	root	1.1	if (ev->active) event_add (&ev->ev, e_tv (ev));
471			}
472			OUTPUT:
473			RETVAL
474
475			short events (Event ev, short new_events = EV_UNDEF)
476			CODE:
477			RETVAL = ev->ev.ev_events;
478			if (items > 1)
479			{
480			if (ev->active) event_del (&ev->ev);
481			ev->ev.ev_events = new_events;
482			if (ev->active) event_add (&ev->ev, e_tv (ev));
483			}
484			OUTPUT:
485			RETVAL
486
487			double timeout (Event ev, double new_timeout = 0., int repeat = 0)
488			CODE:
489			RETVAL = ev->timeout;
490			if (items > 1)
491			{
492			if (ev->active) event_del (&ev->ev);
493			ev->timeout = new_timeout;
494			ev->interval = repeat;
495			ev->abstime = 0;
496			if (ev->active) event_add (&ev->ev, e_tv (ev));
497			}
498			OUTPUT:
499			RETVAL
500
501			void timeout_abs (Event ev, double at, double interval = 0.)
502			CODE:
503			if (ev->active) event_del (&ev->ev);
504			ev->timeout = at;
505			ev->interval = interval;
506			ev->abstime = 1;
507			if (ev->active) event_add (&ev->ev, e_tv (ev));
508
509
510			MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
511
512			BOOT:
513			{
514			HV *stash = gv_stashpv ("EV::DNS", 1);
515
516			static const struct {
517			const char *name;
518			IV iv;
519			} *civ, const_iv[] = {
520			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
521			const_iv (DNS_, ERR_NONE)
522			const_iv (DNS_, ERR_FORMAT)
523			const_iv (DNS_, ERR_SERVERFAILED)
524			const_iv (DNS_, ERR_NOTEXIST)
525			const_iv (DNS_, ERR_NOTIMPL)
526			const_iv (DNS_, ERR_REFUSED)
527			const_iv (DNS_, ERR_TRUNCATED)
528			const_iv (DNS_, ERR_UNKNOWN)
529			const_iv (DNS_, ERR_TIMEOUT)
530			const_iv (DNS_, ERR_SHUTDOWN)
531			const_iv (DNS_, IPv4_A)
532			const_iv (DNS_, PTR)
533			const_iv (DNS_, IPv6_AAAA)
534			const_iv (DNS_, QUERY_NO_SEARCH)
535			const_iv (DNS_, OPTION_SEARCH)
536			const_iv (DNS_, OPTION_NAMESERVERS)
537			const_iv (DNS_, OPTION_MISC)
538			const_iv (DNS_, OPTIONS_ALL)
539			const_iv (DNS_, NO_SEARCH)
540			};
541
542			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
543			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
544			}
545
546			int evdns_init ()
547
548			void evdns_shutdown (int fail_requests = 1)
549
550			const char *evdns_err_to_string (int err)
551
552			int evdns_nameserver_add (U32 address)
553
554			int evdns_count_nameservers ()
555
556			int evdns_clear_nameservers_and_suspend ()
557
558			int evdns_resume ()
559
560			int evdns_nameserver_ip_add (char *ip_as_string)
561
562			int evdns_resolve_ipv4 (const char name, int flags, SV cb)
563			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
564
565			int evdns_resolve_ipv6 (const char name, int flags, SV cb)
566			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
567
568			int evdns_resolve_reverse (SV addr, int flags, SV cb)
569			ALIAS:
570			evdns_resolve_reverse_ipv6 = 1
571			CODE:
572			{
573			STRLEN len;
574			char *data = SvPVbyte (addr, len);
575			if (len != (ix ? 16 : 4))
576	root	1.8	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
577	root	1.1
578			RETVAL = ix
579			? evdns_resolve_reverse_ipv6 ((struct in6_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb))
580			: evdns_resolve_reverse ((struct in_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb));
581			}
582			OUTPUT:
583			RETVAL
584
585			int evdns_set_option (char option, char val, int flags)
586
587			int evdns_resolv_conf_parse (int flags, const char *filename)
588
589			#ifdef MS_WINDOWS
590
591			int evdns_config_windows_nameservers ()
592
593			#endif
594
595			void evdns_search_clear ()
596
597			void evdns_search_add (char *domain)
598
599			void evdns_search_ndots_set (int ndots)
600
601	root	1.5
602			MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
603
604			BOOT:
605			{
606			HV *stash = gv_stashpv ("EV::HTTP", 1);
607
608			static const struct {
609			const char *name;
610			IV iv;
611			} *civ, const_iv[] = {
612			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
613			const_iv (HTTP_, OK)
614			const_iv (HTTP_, NOCONTENT)
615			const_iv (HTTP_, MOVEPERM)
616			const_iv (HTTP_, MOVETEMP)
617			const_iv (HTTP_, NOTMODIFIED)
618			const_iv (HTTP_, BADREQUEST)
619			const_iv (HTTP_, NOTFOUND)
620			const_iv (HTTP_, SERVUNAVAIL)
621			const_iv (EVHTTP_, REQ_OWN_CONNECTION)
622			const_iv (EVHTTP_, PROXY_REQUEST)
623			const_iv (EVHTTP_, REQ_GET)
624			const_iv (EVHTTP_, REQ_POST)
625			const_iv (EVHTTP_, REQ_HEAD)
626			const_iv (EVHTTP_, REQUEST)
627			const_iv (EVHTTP_, RESPONSE)
628			};
629
630			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
631			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
632			}
633
634			MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
635
636			#HttpRequest new (SV klass, SV cb)
637
638			#void DESTROY (struct evhttp_request *req);
639
640
641
642
643
644
645
646