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###############################################################################
##
## Typemap for Memcached::libmemcached objects
##
## Copyright (c) 2007 Tim Bunce
## All rights reserved.
##
###############################################################################
## vi:et:sw=4 ts=4
TYPEMAP
# --- some basic types not in the perl 5.6 typemap
const char * T_PV
size_t T_UV
# --- simple types ---
memcached_behavior T_IV
memcached_callback T_IV
memcached_return T_RETURN
# --- generic simple types ---
# general uint16_t
uint16_t T_UV
# XXX need to at least document this as an issue
# Could also check at build time if this perl has 64bit ints and use UV if so
uint64_t T_NV
# --- perl api private abstraction typedefs ---
lmc_key T_KEY
lmc_value T_VALUE
lmc_expiration T_EXPIRATION
lmc_data_flags_t T_FLAGS
# --- complex types (incl. objects, typedef name encodes class name) ---
# XXX memory management may be reworked to store structure in scalars
Memcached__libmemcached T_MEMCACHED
INPUT
T_HVREF
if (!SvROK($arg) || !SvTYPE(SvRV($arg))==SVt_PVHV)
Perl_croak(aTHX_ \"$var is not a hash reference\");
$var = (HV*)SvRV($arg);
INPUT
T_RETURN
/* T_RETURN */
$var = (SvOK($arg)) ? ($type)SvIV($arg) : 0;
OUTPUT
T_RETURN:init
/* T_RETURN:init */
LMC_RECORD_RETURN_ERR(\"${func_name}\", ptr, $var);
T_RETURN
/* T_RETURN */
if (!SvREADONLY($arg)) {
if (LMC_RETURN_OK($var)) {
sv_setsv($arg, &PL_sv_yes);
}
else if ($var == MEMCACHED_NOTFOUND) {
sv_setsv($arg, &PL_sv_no);
}
else {
SvOK_off($arg);
}
}
INPUT
T_PV
/* treat undef as null pointer (output does the inverse) */
$var = (SvOK($arg)) ? ($type)SvPV_nolen($arg) : NULL;
INPUT
T_KEY
/* T_KEY */
$var = ($type)SvPV($arg, $length_var);
OUTPUT
T_KEY
/* T_KEY */
/* assumes the existance of a key_length variable holding the length */
if (!SvREADONLY($arg))
sv_setpvn((SV*)$arg, $var, key_length);
INPUT
T_VALUE
/* T_VALUE - main code in T_VALUE:pre_call below (so it can access/modify flags) */
/* mention $length_var here to keep ParseXS happy for now */
T_VALUE:pre_call
/* T_VALUE:pre_call */
if (SvOK(LMC_STATE_FROM_PTR(ptr)->cb_context->set_cb)) {
/* XXX ignoring flags till we have a better mechanism */
SV *key_sv, *value_sv, *flags_sv;
/* these SVs may get cached inside lmc_cb_context_st and reused across calls */
/* which would save the create,mortalize,destroy costs for each invocation */
key_sv = sv_2mortal(newSVpv(key, STRLEN_length_of_key));
value_sv = sv_mortalcopy($arg); /* original SV, as it may be a ref */
flags_sv = sv_2mortal(newSVuv(flags));
SvREADONLY_on(key_sv); /* just to be sure for now, may allow later */
_cb_fire_perl_set_cb(ptr, key_sv, value_sv, flags_sv);
/* recover possibly modified values (except key) */
$var = SvPV(value_sv, $length_var);
flags = SvUV(flags_sv);
}
else {
$var = ($type)SvPV($arg, $length_var);
}
OUTPUT
T_VALUE
/* T_VALUE */
/* assumes the existance of a value_length variable holding the length */
if (!SvREADONLY($arg))
sv_setpvn((SV*)$arg, $var, value_length);
INPUT
T_FLAGS
/* T_FLAGS */
$var = (SvOK($arg)) ? ($type)SvUV($arg) : 0;
OUTPUT
T_FLAGS
/* T_FLAGS */
if (!SvREADONLY($arg))
sv_setuv($arg, (UV)$var);
INPUT
T_EXPIRATION
/* T_EXPIRATION */
$var = (SvOK($arg)) ? ($type)SvUV($arg) : 0;
OUTPUT
T_MEMCACHED
/* T_MEMCACHED */
if (!$var) /* if null */
SvOK_off($arg); /* then return as undef instead of reaf to undef */
else {
/* setup $arg as a ref to a blessed hash hv */
lmc_state_st *lmc_state;
HV *hv = newHV();
const char *classname = \"${(my $ntt=$ntype)=~s/__/::/g;\$ntt}\";
/* take (sub)class name to use from class_sv if appropriate */
if (class_sv && SvOK(class_sv) && sv_derived_from(class_sv, classname))
classname = (SvROK(class_sv)) ? sv_reftype(class_sv, 0) : SvPV_nolen(class_sv);
sv_setsv($arg, sv_2mortal(newRV_noinc((SV*)hv)));
(void)sv_bless($arg, gv_stashpv(classname, TRUE));
/* allocate an lmc_state struct and attach via MEMCACHED_CALLBACK_USER_DATA */
lmc_state = lmc_state_new($var, hv);
memcached_callback_set($var, MEMCACHED_CALLBACK_USER_DATA, lmc_state);
/* now attach $var to the HV */
/* done as two steps to avoid sv_magic SvREFCNT_inc and MGf_REFCOUNTED */
sv_magic((SV*)hv, NULL, '~', NULL, 0);
LMC_STATE_FROM_SV($arg) = (void*)lmc_state;
}
if (LMC_TRACE_LEVEL_FROM_PTR($var) >= 2)
warn(\"\t<= %s(%s %s = %p)\", \"${func_name}\", \"${ntype}\", \"${var}\", (void*)$var);
INPUT
T_MEMCACHED
/* T_MEMCACHED */
if (!SvOK($arg)) { /* undef */
$var = NULL; /* treat as null */
}
else if (sv_derived_from($arg, \"${(my $ntt=$ntype)=~s/__/::/g;\$ntt}\")) {
if (SvROK($arg)) {
$var = (memcached_st*)LMC_PTR_FROM_SV($arg);
}
else { /* memcached_st ptr already freed or is a class name */
$var = NULL;
}
}
else
croak(\"$var is not of type ${(my $ntt=$ntype)=~s/__/::/g;\$ntt}\");
if (LMC_TRACE_LEVEL_FROM_PTR($var) >= 2)
warn(\"\t=> %s(%s %s = 0x%p)\", \"${func_name}\", \"${ntype}\", \"${var}\", (void*)$var);
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