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root |
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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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#include <math.h> |
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#include <netinet/in.h> |
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#include <sys/time.h> |
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#include <time.h> |
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#include <event.h> |
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#include <evdns.h> |
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/*include <evhttp.h>*/ /* does not compile */ |
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#define EV_NONE 0 |
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#define EV_UNDEF -1 |
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#define TIMEOUT_NONE HUGE_VAL |
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typedef struct event_base *Base; |
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static HV *stash_base, *stash_event; |
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static double tv_get (struct timeval *tv) |
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{ |
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return tv->tv_sec + tv->tv_usec * 1e-6; |
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} |
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static void tv_set (struct timeval *tv, double val) |
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{ |
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tv->tv_sec = (long)val; |
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tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6); |
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} |
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///////////////////////////////////////////////////////////////////////////// |
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// Event |
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typedef struct ev { |
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struct event ev; |
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SV *cb, *fh; |
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SV *self; /* contains this struct */ |
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double timeout; |
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double interval; |
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unsigned char active; |
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unsigned char abstime; |
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} *Event; |
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static double |
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e_now () |
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{ |
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struct timeval tv; |
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gettimeofday (&tv, 0); |
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return tv_get (&tv); |
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} |
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static void e_cb (int fd, short events, void *arg); |
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static int sv_fileno (SV *fh) |
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{ |
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if (fh) |
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{ |
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SvGETMAGIC (fh); |
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if (SvROK (fh)) |
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fh = SvRV (fh); |
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if (SvTYPE (fh) == SVt_PVGV) |
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return PerlIO_fileno (IoIFP (sv_2io (fh))); |
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if (SvIOK (fh)) |
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return SvIV (fh); |
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} |
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return -1; |
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} |
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static Event |
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e_new (SV *fh, short events, SV *cb) |
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{ |
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int fd = sv_fileno (fh); |
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Event ev; |
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SV *self = NEWSV (0, sizeof (struct ev)); |
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SvPOK_only (self); |
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SvCUR_set (self, sizeof (struct ev)); |
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ev = (Event)SvPVX (self); |
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ev->fh = newSVsv (fh); |
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ev->cb = newSVsv (cb); |
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ev->self = self; |
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ev->timeout = TIMEOUT_NONE; |
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ev->interval = 0.; |
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ev->abstime = 0; |
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ev->active = 0; |
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event_set (&ev->ev, fd, events, e_cb, (void *)ev); |
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return ev; |
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} |
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static struct timeval * |
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e_tv (Event ev) |
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{ |
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static struct timeval tv; |
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double to = ev->timeout; |
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if (to == TIMEOUT_NONE) |
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return 0; |
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if (ev->abstime) |
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{ |
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double now = e_now (); |
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if (now > to && ev->interval) |
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ev->timeout = (to += ceil ((now - to) / ev->interval) * ev->interval); |
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to -= now; |
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} |
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else if (to < 0.) |
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to = 0.; |
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tv_set (&tv, to); |
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return &tv; |
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} |
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static SV *e_self (Event ev) |
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{ |
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SV *rv; |
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if (SvOBJECT (ev->self)) |
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rv = newRV_inc (ev->self); |
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else |
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{ |
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rv = newRV_noinc (ev->self); |
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sv_bless (rv, stash_event); |
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SvREADONLY_on (ev->self); |
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} |
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return rv; |
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} |
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static int |
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e_start (Event ev) |
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{ |
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if (ev->active) event_del (&ev->ev); |
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ev->active = 1; |
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return event_add (&ev->ev, e_tv (ev)); |
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} |
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static int e_stop (Event ev) |
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{ |
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return ev->active |
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? (ev->active = 0), event_del (&ev->ev) |
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: 0; |
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} |
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static void |
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e_cb (int fd, short events, void *arg) |
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{ |
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struct ev *ev = (struct ev*)arg; |
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dSP; |
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ENTER; |
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SAVETMPS; |
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if (!(ev->ev.ev_events & EV_PERSIST)) |
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ev->active = 0; |
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PUSHMARK (SP); |
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EXTEND (SP, 2); |
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PUSHs (sv_2mortal (e_self (ev))); |
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PUSHs (sv_2mortal (newSViv (events))); |
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PUTBACK; |
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call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL); |
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/*TODO: if err, call some logging function */ |
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if (ev->interval && !ev->active) |
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e_start (ev); |
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FREETMPS; |
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LEAVE; |
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} |
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///////////////////////////////////////////////////////////////////////////// |
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// DNS |
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static void |
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dns_cb (int result, char type, int count, int ttl, void *addresses, void *arg) |
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{ |
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dSP; |
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SV *cb = (SV *)arg; |
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ENTER; |
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SAVETMPS; |
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PUSHMARK (SP); |
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EXTEND (SP, count + 3); |
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PUSHs (sv_2mortal (newSViv (result))); |
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if (result == DNS_ERR_NONE && ttl >= 0) |
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{ |
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int i; |
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PUSHs (sv_2mortal (newSViv (type))); |
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PUSHs (sv_2mortal (newSViv (ttl))); |
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for (i = 0; i < count; ++i) |
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switch (type) |
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{ |
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case DNS_IPv6_AAAA: |
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PUSHs (sv_2mortal (newSVpvn (i * 16 + (char *)addresses, 16))); |
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break; |
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case DNS_IPv4_A: |
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PUSHs (sv_2mortal (newSVpvn (i * 4 + (char *)addresses, 4))); |
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break; |
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case DNS_PTR: |
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PUSHs (sv_2mortal (newSVpv (*(char **)addresses, 0))); |
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break; |
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} |
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} |
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PUTBACK; |
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call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL); |
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FREETMPS; |
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LEAVE; |
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} |
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///////////////////////////////////////////////////////////////////////////// |
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// XS interface functions |
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MODULE = EV PACKAGE = EV PREFIX = event_ |
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BOOT: |
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{ |
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HV *stash = gv_stashpv ("EV", 1); |
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static const struct { |
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const char *name; |
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IV iv; |
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} *civ, const_iv[] = { |
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# define const_iv(pfx, name) { # name, (IV) pfx ## name }, |
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const_iv (EV_, NONE) |
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const_iv (EV_, TIMEOUT) |
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const_iv (EV_, READ) |
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const_iv (EV_, WRITE) |
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const_iv (EV_, SIGNAL) |
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const_iv (EV_, PERSIST) |
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const_iv (EV, LOOP_ONCE) |
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const_iv (EV, LOOP_NONBLOCK) |
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const_iv (EV, BUFFER_READ) |
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const_iv (EV, BUFFER_WRITE) |
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const_iv (EV, BUFFER_EOF) |
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const_iv (EV, BUFFER_ERROR) |
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const_iv (EV, BUFFER_TIMEOUT) |
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}; |
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for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
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newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
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stash_base = gv_stashpv ("EV::Base" , 1); |
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stash_event = gv_stashpv ("EV::Event", 1); |
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} |
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double now () |
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CODE: |
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RETVAL = e_now (); |
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OUTPUT: |
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RETVAL |
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const char *version () |
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ALIAS: |
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method = 1 |
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CODE: |
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RETVAL = ix ? event_get_method () : event_get_version (); |
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OUTPUT: |
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RETVAL |
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Base event_init () |
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int event_priority_init (int npri) |
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int event_dispatch () |
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int event_loop (int flags = 0) |
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int event_loopexit (double after) |
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CODE: |
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{ |
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struct timeval tv; |
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tv_set (&tv, after); |
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event_loopexit (&tv); |
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} |
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Event event (SV *cb) |
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CODE: |
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RETVAL = e_new (0, 0, cb); |
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OUTPUT: |
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RETVAL |
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Event io (SV *fh, short events, SV *cb) |
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ALIAS: |
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io_ns = 1 |
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CODE: |
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RETVAL = e_new (fh, events, cb); |
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if (!ix) e_start (RETVAL); |
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OUTPUT: |
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RETVAL |
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Event timer (double after, int repeat, SV *cb) |
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ALIAS: |
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timer_ns = 1 |
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CODE: |
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RETVAL = e_new (0, 0, cb); |
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RETVAL->timeout = after; |
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RETVAL->interval = repeat; |
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if (!ix) e_start (RETVAL); |
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OUTPUT: |
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RETVAL |
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Event timer_abs (double at, double interval, SV *cb) |
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ALIAS: |
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timer_abs_ns = 1 |
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CODE: |
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RETVAL = e_new (0, 0, cb); |
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RETVAL->timeout = at; |
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RETVAL->interval = interval; |
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RETVAL->abstime = 1; |
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if (!ix) e_start (RETVAL); |
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OUTPUT: |
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RETVAL |
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Event signal (SV *signal, SV *cb) |
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ALIAS: |
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signal_ns = 1 |
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CODE: |
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RETVAL = e_new (signal, EV_SIGNAL | EV_PERSIST, cb); |
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if (!ix) e_start (RETVAL); |
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OUTPUT: |
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RETVAL |
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PROTOTYPES: DISABLE |
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MODULE = EV PACKAGE = EV::Base PREFIX = event_base_ |
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Base new () |
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CODE: |
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RETVAL = event_init (); |
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OUTPUT: |
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RETVAL |
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int event_base_dispatch (Base base) |
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int event_base_loop (Base base, int flags = 0) |
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int event_base_loopexit (Base base, double after) |
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CODE: |
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{ |
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struct timeval tv; |
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tv.tv_sec = (long)after; |
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tv.tv_usec = (long)(after - tv.tv_sec) * 1e6; |
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event_base_loopexit (base, &tv); |
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} |
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int event_base_priority_init (Base base, int npri) |
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void event_base_set (Base base, Event ev) |
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C_ARGS: base, &ev->ev |
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void DESTROY (Base base) |
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CODE: |
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/*event_base_free (base);*/ /* causes too many problems */ |
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MODULE = EV PACKAGE = EV::Event PREFIX = event_ |
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int event_priority_set (Event ev, int pri) |
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C_ARGS: &ev->ev, pri |
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int event_add (Event ev, double timeout = TIMEOUT_NONE) |
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CODE: |
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ev->timeout = timeout; |
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ev->abstime = 0; |
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RETVAL = e_start (ev); |
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OUTPUT: |
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RETVAL |
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int event_start (Event ev) |
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CODE: |
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RETVAL = e_start (ev); |
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OUTPUT: |
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RETVAL |
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int event_del (Event ev) |
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ALIAS: |
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stop = 0 |
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CODE: |
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RETVAL = e_stop (ev); |
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OUTPUT: |
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RETVAL |
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void DESTROY (Event ev) |
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CODE: |
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e_stop (ev); |
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SvREFCNT_dec (ev->cb); |
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SvREFCNT_dec (ev->fh); |
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410 |
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void cb (Event ev, SV *new_cb) |
411 |
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CODE: |
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sv_setsv (ev->cb, new_cb); |
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414 |
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SV *fh (Event ev, SV *new_fh = 0) |
415 |
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ALIAS: |
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signal = 0 |
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CODE: |
418 |
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RETVAL = newSVsv (ev->fh); |
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if (items > 1) |
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{ |
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if (ev->active) event_del (&ev->ev); |
422 |
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sv_setsv (ev->fh, new_fh); |
423 |
root |
1.2 |
ev->ev.ev_fd = sv_fileno (ev->fh); |
424 |
root |
1.1 |
if (ev->active) event_add (&ev->ev, e_tv (ev)); |
425 |
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} |
426 |
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OUTPUT: |
427 |
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RETVAL |
428 |
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429 |
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short events (Event ev, short new_events = EV_UNDEF) |
430 |
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CODE: |
431 |
|
|
RETVAL = ev->ev.ev_events; |
432 |
|
|
if (items > 1) |
433 |
|
|
{ |
434 |
|
|
if (ev->active) event_del (&ev->ev); |
435 |
|
|
ev->ev.ev_events = new_events; |
436 |
|
|
if (ev->active) event_add (&ev->ev, e_tv (ev)); |
437 |
|
|
} |
438 |
|
|
OUTPUT: |
439 |
|
|
RETVAL |
440 |
|
|
|
441 |
|
|
double timeout (Event ev, double new_timeout = 0., int repeat = 0) |
442 |
|
|
CODE: |
443 |
|
|
RETVAL = ev->timeout; |
444 |
|
|
if (items > 1) |
445 |
|
|
{ |
446 |
|
|
if (ev->active) event_del (&ev->ev); |
447 |
|
|
ev->timeout = new_timeout; |
448 |
|
|
ev->interval = repeat; |
449 |
|
|
ev->abstime = 0; |
450 |
|
|
if (ev->active) event_add (&ev->ev, e_tv (ev)); |
451 |
|
|
} |
452 |
|
|
OUTPUT: |
453 |
|
|
RETVAL |
454 |
|
|
|
455 |
|
|
void timeout_abs (Event ev, double at, double interval = 0.) |
456 |
|
|
CODE: |
457 |
|
|
if (ev->active) event_del (&ev->ev); |
458 |
|
|
ev->timeout = at; |
459 |
|
|
ev->interval = interval; |
460 |
|
|
ev->abstime = 1; |
461 |
|
|
if (ev->active) event_add (&ev->ev, e_tv (ev)); |
462 |
|
|
|
463 |
|
|
|
464 |
|
|
MODULE = EV PACKAGE = EV::DNS PREFIX = evdns_ |
465 |
|
|
|
466 |
|
|
BOOT: |
467 |
|
|
{ |
468 |
|
|
HV *stash = gv_stashpv ("EV::DNS", 1); |
469 |
|
|
|
470 |
|
|
static const struct { |
471 |
|
|
const char *name; |
472 |
|
|
IV iv; |
473 |
|
|
} *civ, const_iv[] = { |
474 |
|
|
# define const_iv(pfx, name) { # name, (IV) pfx ## name }, |
475 |
|
|
|
476 |
|
|
const_iv (DNS_, ERR_NONE) |
477 |
|
|
const_iv (DNS_, ERR_FORMAT) |
478 |
|
|
const_iv (DNS_, ERR_SERVERFAILED) |
479 |
|
|
const_iv (DNS_, ERR_NOTEXIST) |
480 |
|
|
const_iv (DNS_, ERR_NOTIMPL) |
481 |
|
|
const_iv (DNS_, ERR_REFUSED) |
482 |
|
|
const_iv (DNS_, ERR_TRUNCATED) |
483 |
|
|
const_iv (DNS_, ERR_UNKNOWN) |
484 |
|
|
const_iv (DNS_, ERR_TIMEOUT) |
485 |
|
|
const_iv (DNS_, ERR_SHUTDOWN) |
486 |
|
|
const_iv (DNS_, IPv4_A) |
487 |
|
|
const_iv (DNS_, PTR) |
488 |
|
|
const_iv (DNS_, IPv6_AAAA) |
489 |
|
|
const_iv (DNS_, QUERY_NO_SEARCH) |
490 |
|
|
const_iv (DNS_, OPTION_SEARCH) |
491 |
|
|
const_iv (DNS_, OPTION_NAMESERVERS) |
492 |
|
|
const_iv (DNS_, OPTION_MISC) |
493 |
|
|
const_iv (DNS_, OPTIONS_ALL) |
494 |
|
|
const_iv (DNS_, NO_SEARCH) |
495 |
|
|
}; |
496 |
|
|
|
497 |
|
|
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
498 |
|
|
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
499 |
|
|
} |
500 |
|
|
|
501 |
|
|
int evdns_init () |
502 |
|
|
|
503 |
|
|
void evdns_shutdown (int fail_requests = 1) |
504 |
|
|
|
505 |
|
|
const char *evdns_err_to_string (int err) |
506 |
|
|
|
507 |
|
|
int evdns_nameserver_add (U32 address) |
508 |
|
|
|
509 |
|
|
int evdns_count_nameservers () |
510 |
|
|
|
511 |
|
|
int evdns_clear_nameservers_and_suspend () |
512 |
|
|
|
513 |
|
|
int evdns_resume () |
514 |
|
|
|
515 |
|
|
int evdns_nameserver_ip_add (char *ip_as_string) |
516 |
|
|
|
517 |
|
|
int evdns_resolve_ipv4 (const char *name, int flags, SV *cb) |
518 |
|
|
C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb) |
519 |
|
|
|
520 |
|
|
int evdns_resolve_ipv6 (const char *name, int flags, SV *cb) |
521 |
|
|
C_ARGS: name, flags, dns_cb, (void *)SvREFCNT_inc (cb) |
522 |
|
|
|
523 |
|
|
int evdns_resolve_reverse (SV *addr, int flags, SV *cb) |
524 |
|
|
ALIAS: |
525 |
|
|
evdns_resolve_reverse_ipv6 = 1 |
526 |
|
|
CODE: |
527 |
|
|
{ |
528 |
|
|
STRLEN len; |
529 |
|
|
char *data = SvPVbyte (addr, len); |
530 |
|
|
if (len != (ix ? 16 : 4)) |
531 |
|
|
croak ("ipv4/ipv6 address to resolve must be given as 4/16 byte octet string"); |
532 |
|
|
|
533 |
|
|
RETVAL = ix |
534 |
|
|
? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb)) |
535 |
|
|
: evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb)); |
536 |
|
|
} |
537 |
|
|
OUTPUT: |
538 |
|
|
RETVAL |
539 |
|
|
|
540 |
|
|
int evdns_set_option (char *option, char *val, int flags) |
541 |
|
|
|
542 |
|
|
int evdns_resolv_conf_parse (int flags, const char *filename) |
543 |
|
|
|
544 |
|
|
#ifdef MS_WINDOWS |
545 |
|
|
|
546 |
|
|
int evdns_config_windows_nameservers () |
547 |
|
|
|
548 |
|
|
#endif |
549 |
|
|
|
550 |
|
|
void evdns_search_clear () |
551 |
|
|
|
552 |
|
|
void evdns_search_add (char *domain) |
553 |
|
|
|
554 |
|
|
void evdns_search_ndots_set (int ndots) |
555 |
|
|
|