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 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 = 0
        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);
            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:	1.8
Committed:	Sat Oct 27 19:11:27 2007 UTC (16 years, 6 months ago) by root
Branch:	MAIN
CVS Tags:	rel-0_02
Changes since 1.7:	+17 -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			Event timer (double after, int repeat, SV *cb)
333			ALIAS:
334			timer_ns = 1
335			CODE:
336	root	1.3	RETVAL = e_new (NEWSV (0, 0), 0, cb);
337	root	1.1	RETVAL->timeout = after;
338			RETVAL->interval = repeat;
339			if (!ix) e_start (RETVAL);
340			OUTPUT:
341			RETVAL
342
343			Event timer_abs (double at, double interval, SV *cb)
344			ALIAS:
345			timer_abs_ns = 1
346			CODE:
347	root	1.3	RETVAL = e_new (NEWSV (0, 0), 0, cb);
348	root	1.1	RETVAL->timeout = at;
349			RETVAL->interval = interval;
350			RETVAL->abstime = 1;
351			if (!ix) e_start (RETVAL);
352			OUTPUT:
353			RETVAL
354
355			Event signal (SV signal, SV cb)
356			ALIAS:
357			signal_ns = 1
358			CODE:
359			RETVAL = e_new (signal, EV_SIGNAL \| EV_PERSIST, cb);
360			if (!ix) e_start (RETVAL);
361			OUTPUT:
362			RETVAL
363
364			PROTOTYPES: DISABLE
365
366
367			MODULE = EV PACKAGE = EV::Base PREFIX = event_base_
368
369			Base new ()
370			CODE:
371			RETVAL = event_init ();
372			OUTPUT:
373			RETVAL
374
375			int event_base_dispatch (Base base)
376
377			int event_base_loop (Base base, int flags = 0)
378
379			int event_base_loopexit (Base base, double after)
380			CODE:
381			{
382			struct timeval tv;
383			tv.tv_sec = (long)after;
384			tv.tv_usec = (long)(after - tv.tv_sec) * 1e6;
385			event_base_loopexit (base, &tv);
386			}
387
388			int event_base_priority_init (Base base, int npri)
389
390			void event_base_set (Base base, Event ev)
391			C_ARGS: base, &ev->ev
392
393			void DESTROY (Base base)
394			CODE:
395			/event_base_free (base);/ /* causes too many problems */
396
397
398			MODULE = EV PACKAGE = EV::Event PREFIX = event_
399
400			int event_priority_set (Event ev, int pri)
401			C_ARGS: &ev->ev, pri
402
403			int event_add (Event ev, double timeout = TIMEOUT_NONE)
404			CODE:
405			ev->timeout = timeout;
406			ev->abstime = 0;
407			RETVAL = e_start (ev);
408			OUTPUT:
409			RETVAL
410
411			int event_start (Event ev)
412			CODE:
413			RETVAL = e_start (ev);
414			OUTPUT:
415			RETVAL
416
417			int event_del (Event ev)
418			ALIAS:
419			stop = 0
420			CODE:
421			RETVAL = e_stop (ev);
422			OUTPUT:
423			RETVAL
424
425			void DESTROY (Event ev)
426			CODE:
427			e_stop (ev);
428			SvREFCNT_dec (ev->cb);
429			SvREFCNT_dec (ev->fh);
430
431	root	1.3	SV cb (Event ev, SV new_cb = 0)
432	root	1.1	CODE:
433	root	1.3	RETVAL = newSVsv (ev->cb);
434			if (items > 1)
435			sv_setsv (ev->cb, new_cb);
436			OUTPUT:
437			RETVAL
438	root	1.1
439			SV fh (Event ev, SV new_fh = 0)
440			ALIAS:
441			signal = 0
442			CODE:
443			RETVAL = newSVsv (ev->fh);
444			if (items > 1)
445			{
446			if (ev->active) event_del (&ev->ev);
447			sv_setsv (ev->fh, new_fh);
448	root	1.2	ev->ev.ev_fd = sv_fileno (ev->fh);
449	root	1.1	if (ev->active) event_add (&ev->ev, e_tv (ev));
450			}
451			OUTPUT:
452			RETVAL
453
454			short events (Event ev, short new_events = EV_UNDEF)
455			CODE:
456			RETVAL = ev->ev.ev_events;
457			if (items > 1)
458			{
459			if (ev->active) event_del (&ev->ev);
460			ev->ev.ev_events = new_events;
461			if (ev->active) event_add (&ev->ev, e_tv (ev));
462			}
463			OUTPUT:
464			RETVAL
465
466			double timeout (Event ev, double new_timeout = 0., int repeat = 0)
467			CODE:
468			RETVAL = ev->timeout;
469			if (items > 1)
470			{
471			if (ev->active) event_del (&ev->ev);
472			ev->timeout = new_timeout;
473			ev->interval = repeat;
474			ev->abstime = 0;
475			if (ev->active) event_add (&ev->ev, e_tv (ev));
476			}
477			OUTPUT:
478			RETVAL
479
480			void timeout_abs (Event ev, double at, double interval = 0.)
481			CODE:
482			if (ev->active) event_del (&ev->ev);
483			ev->timeout = at;
484			ev->interval = interval;
485			ev->abstime = 1;
486			if (ev->active) event_add (&ev->ev, e_tv (ev));
487
488
489			MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_
490
491			BOOT:
492			{
493			HV *stash = gv_stashpv ("EV::DNS", 1);
494
495			static const struct {
496			const char *name;
497			IV iv;
498			} *civ, const_iv[] = {
499			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
500			const_iv (DNS_, ERR_NONE)
501			const_iv (DNS_, ERR_FORMAT)
502			const_iv (DNS_, ERR_SERVERFAILED)
503			const_iv (DNS_, ERR_NOTEXIST)
504			const_iv (DNS_, ERR_NOTIMPL)
505			const_iv (DNS_, ERR_REFUSED)
506			const_iv (DNS_, ERR_TRUNCATED)
507			const_iv (DNS_, ERR_UNKNOWN)
508			const_iv (DNS_, ERR_TIMEOUT)
509			const_iv (DNS_, ERR_SHUTDOWN)
510			const_iv (DNS_, IPv4_A)
511			const_iv (DNS_, PTR)
512			const_iv (DNS_, IPv6_AAAA)
513			const_iv (DNS_, QUERY_NO_SEARCH)
514			const_iv (DNS_, OPTION_SEARCH)
515			const_iv (DNS_, OPTION_NAMESERVERS)
516			const_iv (DNS_, OPTION_MISC)
517			const_iv (DNS_, OPTIONS_ALL)
518			const_iv (DNS_, NO_SEARCH)
519			};
520
521			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
522			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
523			}
524
525			int evdns_init ()
526
527			void evdns_shutdown (int fail_requests = 1)
528
529			const char *evdns_err_to_string (int err)
530
531			int evdns_nameserver_add (U32 address)
532
533			int evdns_count_nameservers ()
534
535			int evdns_clear_nameservers_and_suspend ()
536
537			int evdns_resume ()
538
539			int evdns_nameserver_ip_add (char *ip_as_string)
540
541			int evdns_resolve_ipv4 (const char name, int flags, SV cb)
542			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
543
544			int evdns_resolve_ipv6 (const char name, int flags, SV cb)
545			C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb)
546
547			int evdns_resolve_reverse (SV addr, int flags, SV cb)
548			ALIAS:
549			evdns_resolve_reverse_ipv6 = 1
550			CODE:
551			{
552			STRLEN len;
553			char *data = SvPVbyte (addr, len);
554			if (len != (ix ? 16 : 4))
555	root	1.8	croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string");
556	root	1.1
557			RETVAL = ix
558			? evdns_resolve_reverse_ipv6 ((struct in6_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb))
559			: evdns_resolve_reverse ((struct in_addr )data, flags, dns_cb, (void )SvREFCNT_inc (cb));
560			}
561			OUTPUT:
562			RETVAL
563
564			int evdns_set_option (char option, char val, int flags)
565
566			int evdns_resolv_conf_parse (int flags, const char *filename)
567
568			#ifdef MS_WINDOWS
569
570			int evdns_config_windows_nameservers ()
571
572			#endif
573
574			void evdns_search_clear ()
575
576			void evdns_search_add (char *domain)
577
578			void evdns_search_ndots_set (int ndots)
579
580	root	1.5
581			MODULE = EV PACKAGE = EV::HTTP PREFIX = evhttp_
582
583			BOOT:
584			{
585			HV *stash = gv_stashpv ("EV::HTTP", 1);
586
587			static const struct {
588			const char *name;
589			IV iv;
590			} *civ, const_iv[] = {
591			# define const_iv(pfx, name) { # name, (IV) pfx ## name },
592			const_iv (HTTP_, OK)
593			const_iv (HTTP_, NOCONTENT)
594			const_iv (HTTP_, MOVEPERM)
595			const_iv (HTTP_, MOVETEMP)
596			const_iv (HTTP_, NOTMODIFIED)
597			const_iv (HTTP_, BADREQUEST)
598			const_iv (HTTP_, NOTFOUND)
599			const_iv (HTTP_, SERVUNAVAIL)
600			const_iv (EVHTTP_, REQ_OWN_CONNECTION)
601			const_iv (EVHTTP_, PROXY_REQUEST)
602			const_iv (EVHTTP_, REQ_GET)
603			const_iv (EVHTTP_, REQ_POST)
604			const_iv (EVHTTP_, REQ_HEAD)
605			const_iv (EVHTTP_, REQUEST)
606			const_iv (EVHTTP_, RESPONSE)
607			};
608
609			for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
610			newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
611			}
612
613			MODULE = EV PACKAGE = EV::HTTP::Request PREFIX = evhttp_request_
614
615			#HttpRequest new (SV klass, SV cb)
616
617			#void DESTROY (struct evhttp_request *req);
618
619
620
621
622
623
624
625